coreboot February 2012

coreboot@coreboot.org

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348 discussions

Patch merged into coreboot/master: 788f600 libpayload: Expose options_checksum_valid
by gerrit＠coreboot.org 03 Feb '12

03 Feb '12

the following patch was just integrated into master: commit 788f60034be9fa535f5c384d5513d2817c3920ad Author: Patrick Georgi <patrick.georgi(a)secunet.com> Date: Mon Jan 16 15:03:11 2012 +0100 libpayload: Expose options_checksum_valid options_checksum_valid can be used as a fast test to identify invalid CMOS data by checking the checksum. Change-Id: I44635d4c5d389579ad82435907ba8658e1bd44bb Signed-off-by: Patrick Georgi <patrick.georgi(a)secunet.com> Reviewed-By: Patrick Georgi <patrick(a)georgi-clan.de> at Fri Feb 3 13:22:20 2012, giving +2 See http://review.coreboot.org/586 for details. -gerrit

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Patch merged into coreboot/master: 75ff6ad libpayload: Provide interpretation of CMOS data structures
by gerrit＠coreboot.org 03 Feb '12

03 Feb '12

the following patch was just integrated into master: commit 75ff6addfcd674cc2b3803f9b4216e1b9e338af7 Author: Patrick Georgi <patrick.georgi(a)secunet.com> Date: Mon Jan 16 13:47:33 2012 +0100 libpayload: Provide interpretation of CMOS data structures Add new functions that allow using string based key/value access to CMOS, including support for enums. Change-Id: Ibe238eff4c5230e5f61004c88221cd34393873aa Signed-off-by: Patrick Georgi <patrick.georgi(a)secunet.com> Reviewed-By: Patrick Georgi <patrick(a)georgi-clan.de> at Fri Feb 3 13:21:57 2012, giving +2 See http://review.coreboot.org/585 for details. -gerrit

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Patch set updated for coreboot: 69470aa libpayload: Add iterators for CMOS variables
by Patrick Georgi 03 Feb '12

03 Feb '12

Patrick Georgi (patrick(a)georgi-clan.de) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/587 -gerrit commit 69470aacda54a628fb7d6437198fc2eddb314009 Author: Patrick Georgi <patrick.georgi(a)secunet.com> Date: Mon Jan 16 15:39:57 2012 +0100 libpayload: Add iterators for CMOS variables Provide functions that pick the first CMOS variable defined in the cmos layout, and from there, the next one. Change-Id: Ie98146de7f6273089fc6fc0b232a4b94337cf8a3 Signed-off-by: Patrick Georgi <patrick.georgi(a)secunet.com> --- payloads/libpayload/drivers/options.c | 14 ++++++++++++++ payloads/libpayload/include/libpayload.h | 2 ++ 2 files changed, 16 insertions(+), 0 deletions(-) diff --git a/payloads/libpayload/drivers/options.c b/payloads/libpayload/drivers/options.c index 1b98cda..10d165e 100644 --- a/payloads/libpayload/drivers/options.c +++ b/payloads/libpayload/drivers/options.c @@ -171,6 +171,20 @@ static struct cb_cmos_entries *lookup_cmos_entry(struct cb_cmos_option_table *op return NULL; } +struct cb_cmos_entries *first_cmos_entry(struct cb_cmos_option_table *option_table) +{ + return lookup_cmos_entry(option_table, ""); +} + +struct cb_cmos_entries *next_cmos_entry(struct cb_cmos_entries *cmos_entry) +{ + struct cb_cmos_entries *next = (struct cb_cmos_entries*)((unsigned char *)cmos_entry + cmos_entry->size); + if (next->tag == CB_TAG_OPTION) + return next; + else + return NULL; +} + /* Either value or text must be NULL. Returns the field that matches "the other" for a given config_id */ static struct cb_cmos_enums *lookup_cmos_enum_core(struct cb_cmos_option_table *option_table, int config_id, u8 *value, char *text) { diff --git a/payloads/libpayload/include/libpayload.h b/payloads/libpayload/include/libpayload.h index 488ad48..53d6672 100644 --- a/payloads/libpayload/include/libpayload.h +++ b/payloads/libpayload/include/libpayload.h @@ -206,6 +206,8 @@ struct cb_cmos_option_table *get_system_option_table(void); int options_checksum_valid(const struct nvram_accessor *nvram); void fix_options_checksum_with(const struct nvram_accessor *nvram); void fix_options_checksum(void); +struct cb_cmos_entries *first_cmos_entry(struct cb_cmos_option_table *option_table); +struct cb_cmos_entries *next_cmos_entry(struct cb_cmos_entries *cur); int get_option_with(const struct nvram_accessor *nvram, struct cb_cmos_option_table *option_table, void *dest, char *name); int get_option_from(struct cb_cmos_option_table *option_table, void *dest, char *name); int get_option(void *dest, char *name);

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Patch set updated for coreboot: 788f600 libpayload: Expose options_checksum_valid
by Patrick Georgi 03 Feb '12

03 Feb '12

Patrick Georgi (patrick(a)georgi-clan.de) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/586 -gerrit commit 788f60034be9fa535f5c384d5513d2817c3920ad Author: Patrick Georgi <patrick.georgi(a)secunet.com> Date: Mon Jan 16 15:03:11 2012 +0100 libpayload: Expose options_checksum_valid options_checksum_valid can be used as a fast test to identify invalid CMOS data by checking the checksum. Change-Id: I44635d4c5d389579ad82435907ba8658e1bd44bb Signed-off-by: Patrick Georgi <patrick.georgi(a)secunet.com> --- payloads/libpayload/drivers/options.c | 2 +- payloads/libpayload/include/libpayload.h | 1 + 2 files changed, 2 insertions(+), 1 deletions(-) diff --git a/payloads/libpayload/drivers/options.c b/payloads/libpayload/drivers/options.c index 33c0659..1b98cda 100644 --- a/payloads/libpayload/drivers/options.c +++ b/payloads/libpayload/drivers/options.c @@ -57,7 +57,7 @@ struct cb_cmos_option_table *get_system_option_table(void) return phys_to_virt(lib_sysinfo.option_table); } -static int options_checksum_valid(const struct nvram_accessor *nvram) +int options_checksum_valid(const struct nvram_accessor *nvram) { int i; int range_start = lib_sysinfo.cmos_range_start / 8; diff --git a/payloads/libpayload/include/libpayload.h b/payloads/libpayload/include/libpayload.h index dd98404..488ad48 100644 --- a/payloads/libpayload/include/libpayload.h +++ b/payloads/libpayload/include/libpayload.h @@ -203,6 +203,7 @@ extern u8 *mem_accessor_base; extern struct nvram_accessor *use_nvram, *use_mem; struct cb_cmos_option_table *get_system_option_table(void); +int options_checksum_valid(const struct nvram_accessor *nvram); void fix_options_checksum_with(const struct nvram_accessor *nvram); void fix_options_checksum(void); int get_option_with(const struct nvram_accessor *nvram, struct cb_cmos_option_table *option_table, void *dest, char *name);

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Patch set updated for coreboot: 75ff6ad libpayload: Provide interpretation of CMOS data structures
by Patrick Georgi 03 Feb '12

03 Feb '12

Patrick Georgi (patrick(a)georgi-clan.de) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/585 -gerrit commit 75ff6addfcd674cc2b3803f9b4216e1b9e338af7 Author: Patrick Georgi <patrick.georgi(a)secunet.com> Date: Mon Jan 16 13:47:33 2012 +0100 libpayload: Provide interpretation of CMOS data structures Add new functions that allow using string based key/value access to CMOS, including support for enums. Change-Id: Ibe238eff4c5230e5f61004c88221cd34393873aa Signed-off-by: Patrick Georgi <patrick.georgi(a)secunet.com> --- payloads/libpayload/drivers/options.c | 103 ++++++++++++++++++++++++++++++ payloads/libpayload/include/libpayload.h | 2 + 2 files changed, 105 insertions(+), 0 deletions(-) diff --git a/payloads/libpayload/drivers/options.c b/payloads/libpayload/drivers/options.c index 36d8a9b..33c0659 100644 --- a/payloads/libpayload/drivers/options.c +++ b/payloads/libpayload/drivers/options.c @@ -171,6 +171,42 @@ static struct cb_cmos_entries *lookup_cmos_entry(struct cb_cmos_option_table *op return NULL; } +/* Either value or text must be NULL. Returns the field that matches "the other" for a given config_id */ +static struct cb_cmos_enums *lookup_cmos_enum_core(struct cb_cmos_option_table *option_table, int config_id, u8 *value, char *text) +{ + struct cb_cmos_entries *cmos_entry; + int len = strnlen(text, CMOS_MAX_TEXT_LENGTH); + + /* cmos entries are located right after the option table. Skip them */ + cmos_entry = (struct cb_cmos_entries*)((unsigned char *)option_table + option_table->header_length); + while (cmos_entry->tag == CB_TAG_OPTION) + cmos_entry = (struct cb_cmos_entries*)((unsigned char *)cmos_entry + cmos_entry->size); + + /* cmos enums are located after cmos entries. */ + struct cb_cmos_enums *cmos_enum; + for ( cmos_enum = (struct cb_cmos_enums*)cmos_entry; + cmos_enum->tag == CB_TAG_OPTION_ENUM; + cmos_enum = (struct cb_cmos_enums*)((unsigned char *)cmos_enum + cmos_enum->size)) { + if ((cmos_enum->config_id == config_id) + && ((value == NULL) || (cmos_enum->value == *value)) + && ((text == NULL) || (memcmp((const char*)cmos_enum->text, text, len)))) { + return cmos_enum; + } + } + + return NULL; +} + +static struct cb_cmos_enums *lookup_cmos_enum_by_value(struct cb_cmos_option_table *option_table, int config_id, u8 *value) +{ + return lookup_cmos_enum_core(option_table, config_id, value, NULL); +} + +static struct cb_cmos_enums *lookup_cmos_enum_by_label(struct cb_cmos_option_table *option_table, int config_id, char *label) +{ + return lookup_cmos_enum_core(option_table, config_id, NULL, label); +} + int get_option_with(const struct nvram_accessor *nvram, struct cb_cmos_option_table *option_table, void *dest, char *name) { struct cb_cmos_entries *cmos_entry = lookup_cmos_entry(option_table, name); @@ -211,3 +247,70 @@ int set_option(void *value, char *name) { return set_option_with(use_nvram, get_system_option_table(), value, name); } + +int get_option_as_string(const struct nvram_accessor *nvram, struct cb_cmos_option_table *option_table, char **dest, char *name) +{ + void *raw; + struct cb_cmos_entries *cmos_entry = lookup_cmos_entry(option_table, name); + if (!cmos_entry) + return 1; + int cmos_length = (cmos_entry->length+7)/8; + + /* extra byte to ensure 0-terminated strings */ + raw = malloc(cmos_length+1); + memset(raw, 0, cmos_length+1); + + int ret = get_option_with(nvram, option_table, raw, name); + + struct cb_cmos_enums *cmos_enum; + switch (cmos_entry->config) { + case 'h': + /* only works on little endian. + 26 bytes is enough for a 64bit value in decimal */ + *dest = malloc(26); + sprintf(*dest, "%ull", *(u64*)raw); + break; + case 's': + *dest = strdup(raw); + break; + case 'e': + cmos_enum = lookup_cmos_enum_by_value(option_table, cmos_entry->config_id, (u8*)raw); + *dest = strdup((const char*)cmos_enum->text); + break; + default: /* fail */ + return 1; + } + free(raw); + return ret; +} + +int set_option_from_string(const struct nvram_accessor *nvram, struct cb_cmos_option_table *option_table, char *value, char *name) +{ + void *raw; + struct cb_cmos_entries *cmos_entry = lookup_cmos_entry(option_table, name); + if (!cmos_entry) + return 1; + + struct cb_cmos_enums *cmos_enum; + switch (cmos_entry->config) { + case 'h': + /* only works on little endian */ + raw = malloc(8); + *(u64*)raw = strtoull(value, NULL, 0); + break; + case 's': + raw = strdup(value); + break; + case 'e': + cmos_enum = lookup_cmos_enum_by_label(option_table, cmos_entry->config_id, value); + raw = malloc(sizeof(u32)); + *(u32*)raw = cmos_enum->value; + break; + default: /* fail */ + return 1; + } + + int ret = set_option_with(nvram, option_table, raw, name); + free(raw); + return ret; +} diff --git a/payloads/libpayload/include/libpayload.h b/payloads/libpayload/include/libpayload.h index 308d95c..dd98404 100644 --- a/payloads/libpayload/include/libpayload.h +++ b/payloads/libpayload/include/libpayload.h @@ -210,6 +210,8 @@ int get_option_from(struct cb_cmos_option_table *option_table, void *dest, char int get_option(void *dest, char *name); int set_option_with(const struct nvram_accessor *nvram, struct cb_cmos_option_table *option_table, void *value, char *name); int set_option(void *value, char *name); +int get_option_as_string(const struct nvram_accessor *nvram, struct cb_cmos_option_table *option_table, char **dest, char *name); +int set_option_from_string(const struct nvram_accessor *nvram, struct cb_cmos_option_table *option_table, char *value, char *name); /** * @defgroup console Console functions

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Patch set updated for coreboot: fc27601 AGESA F15: AGESA family15 model 00-0fh cpu wrapper
by Kerry Sheh 03 Feb '12

03 Feb '12

Kerry Sheh (shekairui(a)gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/555 -gerrit commit fc27601469f29e7dfc7d40ad5345ba6f3f8a9f9f Author: Kerry Sheh <shekairui(a)gmail.com> Date: Fri Feb 3 12:35:22 2012 +0800 AGESA F15: AGESA family15 model 00-0fh cpu wrapper Change-Id: I7580bc063c09d99d3fca8b20cd39df2384a6ad44 Signed-off-by: Kerry Sheh <kerry.she(a)amd.com> Signed-off-by: Kerry Sheh <shekairui(a)gmail.com> --- src/cpu/amd/agesa/Kconfig | 7 +- src/cpu/amd/agesa/Makefile.inc | 3 +- src/cpu/amd/agesa/family15/Kconfig | 82 +++++++++++++++ src/cpu/amd/agesa/family15/Makefile.inc | 30 ++++++ src/cpu/amd/agesa/family15/chip.h | 23 +++++ src/cpu/amd/agesa/family15/chip_name.c | 25 +++++ src/cpu/amd/agesa/family15/model_15_init.c | 147 ++++++++++++++++++++++++++++ src/include/cpu/amd/amdfam15.h | 41 ++++++++ 8 files changed, 356 insertions(+), 2 deletions(-) diff --git a/src/cpu/amd/agesa/Kconfig b/src/cpu/amd/agesa/Kconfig index 60bb74b..8eaa11d 100644 --- a/src/cpu/amd/agesa/Kconfig +++ b/src/cpu/amd/agesa/Kconfig @@ -1,7 +1,7 @@ # # This file is part of the coreboot project. # -# Copyright (C) 2011 Advanced Micro Devices, Inc. +# Copyright (C) 2011 - 2012 Advanced Micro Devices, Inc. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -17,6 +17,11 @@ # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA # +config AMD_AGESA + bool + default n + source src/cpu/amd/agesa/family10/Kconfig source src/cpu/amd/agesa/family12/Kconfig source src/cpu/amd/agesa/family14/Kconfig +source src/cpu/amd/agesa/family15/Kconfig diff --git a/src/cpu/amd/agesa/Makefile.inc b/src/cpu/amd/agesa/Makefile.inc index 4331435..fb536dd 100644 --- a/src/cpu/amd/agesa/Makefile.inc +++ b/src/cpu/amd/agesa/Makefile.inc @@ -1,7 +1,7 @@ # # This file is part of the coreboot project. # -# Copyright (C) 2011 Advanced Micro Devices, Inc. +# Copyright (C) 2011 - 2012 Advanced Micro Devices, Inc. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -19,6 +19,7 @@ subdirs-$(CONFIG_CPU_AMD_AGESA_FAMILY10) += family10 subdirs-$(CONFIG_CPU_AMD_AGESA_FAMILY12) += family12 subdirs-$(CONFIG_CPU_AMD_AGESA_FAMILY14) += family14 +subdirs-$(CONFIG_CPU_AMD_AGESA_FAMILY15) += family15 ramstage-y += apic_timer.c cpu_incs += $(src)/cpu/amd/agesa/cache_as_ram.inc diff --git a/src/cpu/amd/agesa/family15/Kconfig b/src/cpu/amd/agesa/family15/Kconfig new file mode 100644 index 0000000..0f2f920 --- /dev/null +++ b/src/cpu/amd/agesa/family15/Kconfig @@ -0,0 +1,82 @@ +# +# This file is part of the coreboot project. +# +# Copyright (C) 2012 Advanced Micro Devices, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +# + +config CPU_AMD_AGESA_FAMILY15 + bool + select PCI_IO_CFG_EXT + select AMD_AGESA + +if CPU_AMD_AGESA_FAMILY15 + +config CPU_AMD_SOCKET_G34 + bool + default n + help + AMD G34 Socket + +config CPU_AMD_SOCKET_C32 + bool + default n + help + AMD C32 Socket + +config CPU_AMD_SOCKET_AM3R2 + bool + default n + help + AMD AM3r2 Socket + +config EXT_RT_TBL_SUPPORT + bool + default n + +config EXT_CONF_SUPPORT + bool + default n + +config CBB + hex + default 0x0 + +config CDB + hex + default 0x18 + +config XIP_ROM_BASE + hex + default 0xfff80000 + +config XIP_ROM_SIZE + hex + default 0x80000 + +config HAVE_INIT_TIMER + bool + default y + +config REDIRECT_IDS_HDT_CONSOLE_TO_SERIAL + bool "Redirect AGESA IDS_HDT_CONSOLE to serial console" + default n + depends on CPU_AMD_AGESA_FAMILY15 + help + This Option allows you to redirect the AMD AGESA IDS_HDT_CONSOLE debug information to the serial console. + + Warning: Only enable this option when debuging or tracing AMD AGESA code. + +endif #CPU_AMD_AGESA_FAMILY15 diff --git a/src/cpu/amd/agesa/family15/Makefile.inc b/src/cpu/amd/agesa/family15/Makefile.inc new file mode 100644 index 0000000..936d3c8 --- /dev/null +++ b/src/cpu/amd/agesa/family15/Makefile.inc @@ -0,0 +1,30 @@ +# +# This file is part of the coreboot project. +# +# Copyright (C) 2012 Advanced Micro Devices, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +# + +subdirs-y += ../../mtrr +subdirs-y += ../../../x86/tsc +subdirs-y += ../../../x86/lapic +subdirs-y += ../../../x86/cache +subdirs-y += ../../../x86/mtrr +subdirs-y += ../../../x86/pae +subdirs-y += ../../../x86/smm + +ramstage-y += chip_name.c +driver-y += model_15_init.c + diff --git a/src/cpu/amd/agesa/family15/chip.h b/src/cpu/amd/agesa/family15/chip.h new file mode 100644 index 0000000..0171e7f --- /dev/null +++ b/src/cpu/amd/agesa/family15/chip.h @@ -0,0 +1,23 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +extern struct chip_operations cpu_amd_agesa_family15_ops; + +struct cpu_amd_agesa_family15_config { +}; diff --git a/src/cpu/amd/agesa/family15/chip_name.c b/src/cpu/amd/agesa/family15/chip_name.c new file mode 100644 index 0000000..963a423 --- /dev/null +++ b/src/cpu/amd/agesa/family15/chip_name.c @@ -0,0 +1,25 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <device/device.h> +#include "chip.h" + +struct chip_operations cpu_amd_agesa_family15_ops = { + CHIP_NAME("AMD CPU Family 15h") +}; diff --git a/src/cpu/amd/agesa/family15/model_15_init.c b/src/cpu/amd/agesa/family15/model_15_init.c new file mode 100644 index 0000000..d100338 --- /dev/null +++ b/src/cpu/amd/agesa/family15/model_15_init.c @@ -0,0 +1,147 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <console/console.h> +#include <cpu/x86/msr.h> +#include <cpu/amd/mtrr.h> +#include <device/device.h> +#include <device/pci.h> +#include <string.h> +#include <cpu/x86/msr.h> +#include <cpu/x86/pae.h> + +#include <cpu/cpu.h> +#include <cpu/x86/lapic.h> +#include <cpu/x86/cache.h> +#include <cpu/x86/mtrr.h> +#include <cpu/amd/amdfam15.h> + +static msr_t rdmsr_amd(u32 index) +{ + msr_t result; + __asm__ __volatile__( + "rdmsr" + :"=a"(result.lo), "=d"(result.hi) + :"c"(index), "D"(0x9c5a203a) + ); + return result; +} + +static void wrmsr_amd(u32 index, msr_t msr) +{ + __asm__ __volatile__( + "wrmsr" + : /* No outputs */ + :"c"(index), "a"(msr.lo), "d"(msr.hi), "D"(0x9c5a203a) + ); +} + +static void model_15_init(device_t dev) +{ + printk(BIOS_DEBUG, "Model 15 Init.\n"); + + u8 i; + msr_t msr; + int msrno; +#if CONFIG_LOGICAL_CPUS == 1 + u32 siblings; +#endif + + disable_cache (); + /* Enable access to AMD RdDram and WrDram extension bits */ + msr = rdmsr(SYSCFG_MSR); + msr.lo |= SYSCFG_MSR_MtrrFixDramModEn; + wrmsr(SYSCFG_MSR, msr); + + // BSP: make a0000-bffff UC, c0000-fffff WB, same as ApMtrrSettingsList for APs + msr.lo = msr.hi = 0; + wrmsr (0x259, msr); + msr.lo = msr.hi = 0x1e1e1e1e; + for (msrno = 0x268; msrno <= 0x26f; msrno++) + wrmsr (msrno, msr); + + msr.lo = 0x04040404; msr.hi = 0x04040404; + wrmsr(0x259, msr); + + /* disable access to AMD RdDram and WrDram extension bits */ + msr = rdmsr(SYSCFG_MSR); + msr.lo &= ~SYSCFG_MSR_MtrrFixDramModEn; + wrmsr(SYSCFG_MSR, msr); + enable_cache (); + + /* zero the machine check error status registers */ + msr.lo = 0; + msr.hi = 0; + for (i = 0; i < 6; i++) { + wrmsr(MCI_STATUS + (i * 4), msr); + } + + /* Enable the local cpu apics */ + setup_lapic(); + +#if CONFIG_LOGICAL_CPUS == 1 + siblings = cpuid_ecx(0x80000008) & 0xff; + + if (siblings > 0) { + msr = rdmsr_amd(CPU_ID_FEATURES_MSR); + msr.lo |= 1 << 28; + wrmsr_amd(CPU_ID_FEATURES_MSR, msr); + + msr = rdmsr_amd(CPU_ID_EXT_FEATURES_MSR); + msr.hi |= 1 << (33 - 32); + wrmsr_amd(CPU_ID_EXT_FEATURES_MSR, msr); + } + printk(BIOS_DEBUG, "siblings = %02d, ", siblings); +#endif + + /* DisableCf8ExtCfg */ + msr = rdmsr(NB_CFG_MSR); + msr.hi &= ~(1 << (46 - 32)); + wrmsr(NB_CFG_MSR, msr); + + + /* Write protect SMM space with SMMLOCK. */ + msr = rdmsr(HWCR_MSR); + msr.lo |= (1 << 0); + wrmsr(HWCR_MSR, msr); +} + +static struct device_operations cpu_dev_ops = { + .init = model_15_init, +}; + +static struct cpu_device_id cpu_table[] = { + { X86_VENDOR_AMD, 0x100F80}, /* HY-D0 */ + { X86_VENDOR_AMD, 0x100F90}, /* HY-D0 */ + { X86_VENDOR_AMD, 0x100F81}, /* HY-D1 */ + { X86_VENDOR_AMD, 0x100F91}, /* HY-D1 */ + { X86_VENDOR_AMD, 0x600f00 }, /* OR_A0x */ + { X86_VENDOR_AMD, 0x600f01 }, /* OR_A0x */ + { X86_VENDOR_AMD, 0x600f10 }, /* OR_B0x */ + { X86_VENDOR_AMD, 0x600f11 }, /* OR_B1x */ + { X86_VENDOR_AMD, 0x600f12 }, /* OR_B2x */ + { X86_VENDOR_AMD, 0x600f13 }, /* OR_B3x */ + { X86_VENDOR_AMD, 0x600f20 }, /* OR_C0x */ + { 0, 0 }, +}; + +static const struct cpu_driver model_15 __cpu_driver = { + .ops = &cpu_dev_ops, + .id_table = cpu_table, +}; diff --git a/src/include/cpu/amd/amdfam15.h b/src/include/cpu/amd/amdfam15.h new file mode 100644 index 0000000..3d300de --- /dev/null +++ b/src/include/cpu/amd/amdfam15.h @@ -0,0 +1,41 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef CPU_AMD_FAM15_H +#define CPU_AMD_FAM15_H + +#include <cpu/x86/msr.h> + +#define MCI_STATUS 0x00000401 +#define HWCR_MSR 0xC0010015 +#define NB_CFG_MSR 0xC001001f + +#define LS_CFG_MSR 0xC0011020 +#define IC_CFG_MSR 0xC0011021 +#define DC_CFG_MSR 0xC0011022 +#define CU_CFG_MSR 0xC0011023 +#define CU_CFG2_MSR 0xC001102A + +#define CPU_ID_FEATURES_MSR 0xC0011004 +#define CPU_ID_EXT_FEATURES_MSR 0xC0011005 + +static msr_t rdmsr_amd(u32 index); +static void wrmsr_amd(u32 index, msr_t msr); + +#endif /* CPU_AMD_FAM15_H */

1 0

Patch set updated for coreboot: 222876b AGESA F15: AGESA family15 model 00-0fh northbridge wrapper
by Kerry Sheh 03 Feb '12

03 Feb '12

Kerry Sheh (shekairui(a)gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/556 -gerrit commit 222876b2886e5a897320837aebb68ec81ba57006 Author: Kerry Sheh <shekairui(a)gmail.com> Date: Fri Feb 3 12:35:23 2012 +0800 AGESA F15: AGESA family15 model 00-0fh northbridge wrapper Change-Id: I87c4d47f19161c604b0285102bb3809c8337375a Signed-off-by: Kerry Sheh <kerry.she(a)amd.com> Signed-off-by: Kerry Sheh <shekairui(a)gmail.com> --- src/northbridge/amd/agesa/Kconfig | 3 +- src/northbridge/amd/agesa/Makefile.inc | 3 +- src/northbridge/amd/agesa/family15/Kconfig | 49 + src/northbridge/amd/agesa/family15/Makefile.inc | 20 + src/northbridge/amd/agesa/family15/bootblock.c | 25 + src/northbridge/amd/agesa/family15/chip.h | 24 + src/northbridge/amd/agesa/family15/northbridge.c | 1174 ++++++++++++++++++++ src/northbridge/amd/agesa/family15/northbridge.h | 26 + .../amd/agesa/family15/root_complex/Kconfig | 2 + .../amd/agesa/family15/root_complex/chip.h | 24 + 10 files changed, 1348 insertions(+), 2 deletions(-) diff --git a/src/northbridge/amd/agesa/Kconfig b/src/northbridge/amd/agesa/Kconfig index 3bcb0bb..2ed9fd5 100644 --- a/src/northbridge/amd/agesa/Kconfig +++ b/src/northbridge/amd/agesa/Kconfig @@ -1,7 +1,7 @@ # # This file is part of the coreboot project. # -# Copyright (C) 2011 Advanced Micro Devices, Inc. +# Copyright (C) 2011 - 2012 Advanced Micro Devices, Inc. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -24,4 +24,5 @@ config CONSOLE_VGA_MULTI source src/northbridge/amd/agesa/family10/Kconfig source src/northbridge/amd/agesa/family12/Kconfig source src/northbridge/amd/agesa/family14/Kconfig +source src/northbridge/amd/agesa/family15/Kconfig diff --git a/src/northbridge/amd/agesa/Makefile.inc b/src/northbridge/amd/agesa/Makefile.inc index 1da8f60..eef1cd3 100644 --- a/src/northbridge/amd/agesa/Makefile.inc +++ b/src/northbridge/amd/agesa/Makefile.inc @@ -1,7 +1,7 @@ # # This file is part of the coreboot project. # -# Copyright (C) 2011 Advanced Micro Devices, Inc. +# Copyright (C) 2011 - 2012 Advanced Micro Devices, Inc. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -19,3 +19,4 @@ subdirs-$(CONFIG_NORTHBRIDGE_AMD_AGESA_FAMILY10) += family10 subdirs-$(CONFIG_NORTHBRIDGE_AMD_AGESA_FAMILY12) += family12 subdirs-$(CONFIG_NORTHBRIDGE_AMD_AGESA_FAMILY14) += family14 +subdirs-$(CONFIG_NORTHBRIDGE_AMD_AGESA_FAMILY15) += family15 diff --git a/src/northbridge/amd/agesa/family15/Kconfig b/src/northbridge/amd/agesa/family15/Kconfig new file mode 100644 index 0000000..52f7a1e --- /dev/null +++ b/src/northbridge/amd/agesa/family15/Kconfig @@ -0,0 +1,49 @@ +## +## This file is part of the coreboot project. +## +## Copyright (C) 2007-2009 coresystems GmbH +## Copyright (C) 2012 Advanced Micro Devices, Inc. +## +## This program is free software; you can redistribute it and/or modify +## it under the terms of the GNU General Public License as published by +## the Free Software Foundation; version 2 of the License. +## +## This program is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +## GNU General Public License for more details. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +## +config NORTHBRIDGE_AMD_AGESA_FAMILY15 + bool + select HAVE_DEBUG_RAM_SETUP + select HAVE_DEBUG_SMBUS + select HYPERTRANSPORT_PLUGIN_SUPPORT + select MMCONF_SUPPORT + select NORTHBRIDGE_AMD_AGESA_FAMILY15_ROOT_COMPLEX + +if NORTHBRIDGE_AMD_AGESA_FAMILY15 +config HT3_SUPPORT + bool + default y +config HW_MEM_HOLE_SIZEK + hex + default 0x100000 +config HW_MEM_HOLE_SIZE_AUTO_INC + bool + default n +config MMCONF_BASE_ADDRESS + hex + default 0xF8000000 +config MMCONF_BUS_NUMBER + int + default 64 +config BOOTBLOCK_NORTHBRIDGE_INIT + string + default "northbridge/amd/agesa/family15/bootblock.c" +endif #NORTHBRIDGE_AMD_AGESA_FAMILY15 + +source "src/northbridge/amd/agesa/family15/root_complex/Kconfig" diff --git a/src/northbridge/amd/agesa/family15/Makefile.inc b/src/northbridge/amd/agesa/family15/Makefile.inc new file mode 100644 index 0000000..255fe10 --- /dev/null +++ b/src/northbridge/amd/agesa/family15/Makefile.inc @@ -0,0 +1,20 @@ +# +# This file is part of the coreboot project. +# +# Copyright (C) 2012 Advanced Micro Devices, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +# + +driver-y += northbridge.c diff --git a/src/northbridge/amd/agesa/family15/bootblock.c b/src/northbridge/amd/agesa/family15/bootblock.c new file mode 100644 index 0000000..fc62c3e --- /dev/null +++ b/src/northbridge/amd/agesa/family15/bootblock.c @@ -0,0 +1,25 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <arch/io.h> +#include <arch/romcc_io.h> +#include <device/pci_def.h> + +static void bootblock_northbridge_init(void) { +} diff --git a/src/northbridge/amd/agesa/family15/chip.h b/src/northbridge/amd/agesa/family15/chip.h new file mode 100644 index 0000000..cec1fc4 --- /dev/null +++ b/src/northbridge/amd/agesa/family15/chip.h @@ -0,0 +1,24 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +struct northbridge_amd_agesa_family15_config +{ +}; + +extern struct chip_operations northbridge_amd_agesa_family15_ops; diff --git a/src/northbridge/amd/agesa/family15/northbridge.c b/src/northbridge/amd/agesa/family15/northbridge.c new file mode 100644 index 0000000..c16c8d3 --- /dev/null +++ b/src/northbridge/amd/agesa/family15/northbridge.c @@ -0,0 +1,1174 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <console/console.h> +#include <arch/io.h> +#include <stdint.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <device/hypertransport.h> +#include <stdlib.h> +#include <string.h> +#include <bitops.h> +#include <cpu/cpu.h> + +#include <cpu/x86/lapic.h> + +#include <Porting.h> +#include <AGESA.h> +#include <Options.h> +#include <Topology.h> +#include <cpu/amd/amdfam15.h> +#include <cpuRegisters.h> +#include "agesawrapper.h" +#include "root_complex/chip.h" +#include "northbridge.h" +#include "chip.h" +#if CONFIG_AMD_SB_CIMX +#include "sb_cimx.h" +#endif + +#define MAX_NODE_NUMS (MAX_NODES * MAX_DIES) + +#if (defined CONFIG_EXT_CONF_SUPPORT) && CONFIG_EXT_CONF_SUPPORT == 1 +#error CONFIG_EXT_CONF_SUPPORT == 1 not support anymore! +#endif + +typedef struct dram_base_mask { + u32 base; //[47:27] at [28:8] + u32 mask; //[47:27] at [28:8] and enable at bit 0 +} dram_base_mask_t; + +static unsigned node_nums; +static unsigned sblink; +static device_t __f0_dev[MAX_NODE_NUMS]; +static device_t __f1_dev[MAX_NODE_NUMS]; +static device_t __f2_dev[MAX_NODE_NUMS]; +static device_t __f4_dev[MAX_NODE_NUMS]; +static unsigned fx_devs = 0; + + +static dram_base_mask_t get_dram_base_mask(u32 nodeid) +{ + device_t dev; + dram_base_mask_t d; + dev = __f1_dev[0]; + u32 temp; + temp = pci_read_config32(dev, 0x44 + (nodeid << 3)); //[39:24] at [31:16] + d.mask = ((temp & 0xfff80000)>>(8+3)); // mask out DramMask [26:24] too + temp = pci_read_config32(dev, 0x144 + (nodeid <<3)) & 0xff; //[47:40] at [7:0] + d.mask |= temp<<21; + temp = pci_read_config32(dev, 0x40 + (nodeid << 3)); //[39:24] at [31:16] + d.mask |= (temp & 1); // enable bit + d.base = ((temp & 0xfff80000)>>(8+3)); // mask out DramBase [26:24) too + temp = pci_read_config32(dev, 0x140 + (nodeid <<3)) & 0xff; //[47:40] at [7:0] + d.base |= temp<<21; + return d; +} + +static void set_io_addr_reg(device_t dev, u32 nodeid, u32 linkn, u32 reg, + u32 io_min, u32 io_max) +{ + u32 i; + u32 tempreg; + /* io range allocation */ + tempreg = (nodeid&0xf) | ((nodeid & 0x30)<<(8-4)) | (linkn<<4) | ((io_max&0xf0)<<(12-4)); //limit + for (i=0; i<node_nums; i++) + pci_write_config32(__f1_dev[i], reg+4, tempreg); + tempreg = 3 /*| ( 3<<4)*/ | ((io_min&0xf0)<<(12-4)); //base :ISA and VGA ? +#if 0 + // FIXME: can we use VGA reg instead? + if (dev->link[link].bridge_ctrl & PCI_BRIDGE_CTL_VGA) { + printk(BIOS_SPEW, "%s, enabling legacy VGA IO forwarding for %s link %s\n", + __func__, dev_path(dev), link); + tempreg |= PCI_IO_BASE_VGA_EN; + } + if (dev->link[link].bridge_ctrl & PCI_BRIDGE_CTL_NO_ISA) { + tempreg |= PCI_IO_BASE_NO_ISA; + } +#endif + for (i=0; i<node_nums; i++) + pci_write_config32(__f1_dev[i], reg, tempreg); +} + +static void set_mmio_addr_reg(u32 nodeid, u32 linkn, u32 reg, u32 index, u32 mmio_min, u32 mmio_max, u32 nodes) +{ + u32 i; + u32 tempreg; + /* io range allocation */ + tempreg = (nodeid&0xf) | (linkn<<4) | (mmio_max&0xffffff00); //limit + for (i=0; i<nodes; i++) + pci_write_config32(__f1_dev[i], reg+4, tempreg); + tempreg = 3 | (nodeid & 0x30) | (mmio_min&0xffffff00); + for (i=0; i<node_nums; i++) + pci_write_config32(__f1_dev[i], reg, tempreg); +} + +static device_t get_node_pci(u32 nodeid, u32 fn) +{ +#if MAX_NODE_NUMS == 64 + if (nodeid < 32) { + return dev_find_slot(CONFIG_CBB, PCI_DEVFN(CONFIG_CDB + nodeid, fn)); + } else { + return dev_find_slot(CONFIG_CBB-1, PCI_DEVFN(CONFIG_CDB + nodeid - 32, fn)); + } +#else + return dev_find_slot(CONFIG_CBB, PCI_DEVFN(CONFIG_CDB + nodeid, fn)); +#endif +} + +static void get_fx_devs(void) +{ + int i; + for (i = 0; i < MAX_NODE_NUMS; i++) { + __f0_dev[i] = get_node_pci(i, 0); + __f1_dev[i] = get_node_pci(i, 1); + __f2_dev[i] = get_node_pci(i, 2); + __f4_dev[i] = get_node_pci(i, 4); + if (__f0_dev[i] != NULL && __f1_dev[i] != NULL) + fx_devs = i+1; + } + if (__f1_dev[0] == NULL || __f0_dev[0] == NULL || fx_devs == 0) { + die("Cannot find 0:0x18.[0|1]\n"); + } + printk(BIOS_DEBUG, "fx_devs=0x%x\n", fx_devs); +} + +static u32 f1_read_config32(unsigned reg) +{ + if (fx_devs == 0) + get_fx_devs(); + return pci_read_config32(__f1_dev[0], reg); +} + +static void f1_write_config32(unsigned reg, u32 value) +{ + int i; + if (fx_devs == 0) + get_fx_devs(); + for(i = 0; i < fx_devs; i++) { + device_t dev; + dev = __f1_dev[i]; + if (dev && dev->enabled) { + pci_write_config32(dev, reg, value); + } + } +} + +static u32 amdfam15_nodeid(device_t dev) +{ +#if MAX_NODE_NUMS == 64 + unsigned busn; + busn = dev->bus->secondary; + if (busn != CONFIG_CBB) { + return (dev->path.pci.devfn >> 3) - CONFIG_CDB + 32; + } else { + return (dev->path.pci.devfn >> 3) - CONFIG_CDB; + } + +#else + return (dev->path.pci.devfn >> 3) - CONFIG_CDB; +#endif +} + +static void set_vga_enable_reg(u32 nodeid, u32 linkn) +{ + u32 val; + + val = 1 | (nodeid<<4) | (linkn<<12); + /* it will routing + * (1)mmio 0xa0000:0xbffff + * (2)io 0x3b0:0x3bb, 0x3c0:0x3df + */ + f1_write_config32(0xf4, val); + +} + +/** + * @return + * @retval 2 resoure not exist, usable + * @retval 0 resource exist, not usable + * @retval 1 resource exist, resource has been allocated before + */ +static int reg_useable(unsigned reg, device_t goal_dev, unsigned goal_nodeid, + unsigned goal_link) +{ + struct resource *res; + unsigned nodeid, link = 0; + int result; + res = 0; + for (nodeid = 0; !res && (nodeid < fx_devs); nodeid++) { + device_t dev; + dev = __f0_dev[nodeid]; + if (!dev) + continue; + for (link = 0; !res && (link < 8); link++) { + res = probe_resource(dev, IOINDEX(0x1000 + reg, link)); + } + } + result = 2; + if (res) { + result = 0; + if ((goal_link == (link - 1)) && + (goal_nodeid == (nodeid - 1)) && + (res->flags <= 1)) { + result = 1; + } + } + return result; +} + +static struct resource *amdfam15_find_iopair(device_t dev, unsigned nodeid, unsigned link) +{ + struct resource *resource; + u32 free_reg, reg; + resource = 0; + free_reg = 0; + for (reg = 0xc0; reg <= 0xd8; reg += 0x8) { + int result; + result = reg_useable(reg, dev, nodeid, link); + if (result == 1) { + /* I have been allocated this one */ + break; + } + else if (result > 1) { + /* I have a free register pair */ + free_reg = reg; + } + } + if (reg > 0xd8) { + reg = free_reg; // if no free, the free_reg still be 0 + } + + resource = new_resource(dev, IOINDEX(0x1000 + reg, link)); + + return resource; +} + +static struct resource *amdfam15_find_mempair(device_t dev, u32 nodeid, u32 link) +{ + struct resource *resource; + u32 free_reg, reg; + resource = 0; + free_reg = 0; + for (reg = 0x80; reg <= 0xb8; reg += 0x8) { + int result; + result = reg_useable(reg, dev, nodeid, link); + if (result == 1) { + /* I have been allocated this one */ + break; + } + else if (result > 1) { + /* I have a free register pair */ + free_reg = reg; + } + } + if (reg > 0xb8) { + reg = free_reg; + } + + resource = new_resource(dev, IOINDEX(0x1000 + reg, link)); + return resource; +} + + +static void amdfam15_link_read_bases(device_t dev, u32 nodeid, u32 link) +{ + struct resource *resource; + + /* Initialize the io space constraints on the current bus */ + resource = amdfam15_find_iopair(dev, nodeid, link); + if (resource) { + u32 align; + align = log2(HT_IO_HOST_ALIGN); + resource->base = 0; + resource->size = 0; + resource->align = align; + resource->gran = align; + resource->limit = 0xffffUL; + resource->flags = IORESOURCE_IO | IORESOURCE_BRIDGE; + } + + /* Initialize the prefetchable memory constraints on the current bus */ + resource = amdfam15_find_mempair(dev, nodeid, link); + if (resource) { + resource->base = 0; + resource->size = 0; + resource->align = log2(HT_MEM_HOST_ALIGN); + resource->gran = log2(HT_MEM_HOST_ALIGN); + resource->limit = 0xffffffffffULL; + resource->flags = IORESOURCE_MEM | IORESOURCE_PREFETCH; + resource->flags |= IORESOURCE_BRIDGE; + } + + + /* Initialize the memory constraints on the current bus */ + resource = amdfam15_find_mempair(dev, nodeid, link); + if (resource) { + resource->base = 0; + resource->size = 0; + resource->align = log2(HT_MEM_HOST_ALIGN); + resource->gran = log2(HT_MEM_HOST_ALIGN); + resource->limit = 0xffffffffffULL; + resource->flags = IORESOURCE_MEM | IORESOURCE_BRIDGE; + } + +} + + +static void read_resources(device_t dev) +{ + u32 nodeid; + struct bus *link; + +#if CONFIG_AMD_SB_CIMX + //sb_Before_Pci_Init(); +#endif + nodeid = amdfam15_nodeid(dev); + for (link = dev->link_list; link; link = link->next) { + if (link->children) { + amdfam15_link_read_bases(dev, nodeid, link->link_num); + } + } +} + + +static void set_resource(device_t dev, struct resource *resource, u32 nodeid) +{ + resource_t rbase, rend; + unsigned reg, link_num; + char buf[50]; + + + /* Make certain the resource has actually been set */ + if (!(resource->flags & IORESOURCE_ASSIGNED)) { + return; + } + + /* If I have already stored this resource don't worry about it */ + if (resource->flags & IORESOURCE_STORED) { + return; + } + + /* Only handle PCI memory and IO resources */ + if (!(resource->flags & (IORESOURCE_MEM | IORESOURCE_IO))) + return; + + /* Ensure I am actually looking at a resource of function 1 */ + if ((resource->index & 0xffff) < 0x1000) { + return; + } + /* Get the base address */ + rbase = resource->base; + + /* Get the limit (rounded up) */ + rend = resource_end(resource); + + /* Get the register and link */ + reg = resource->index & 0xfff; // 4k + link_num = IOINDEX_LINK(resource->index); + + if (resource->flags & IORESOURCE_IO) { + set_io_addr_reg(dev, nodeid, link_num, reg, rbase>>8, rend>>8); + } + else if (resource->flags & IORESOURCE_MEM) { + set_mmio_addr_reg(nodeid, link_num, reg, (resource->index >>24), rbase>>8, rend>>8, node_nums) ;// [39:8] + } + resource->flags |= IORESOURCE_STORED; + sprintf(buf, " <node %x link %x>", + nodeid, link_num); + report_resource_stored(dev, resource, buf); +} + +/** + * I tried to reuse the resource allocation code in set_resource() + * but it is too difficult to deal with the resource allocation magic. + */ + +static void create_vga_resource(device_t dev, unsigned nodeid) +{ + struct bus *link; + + + /* find out which link the VGA card is connected, + * we only deal with the 'first' vga card */ + for (link = dev->link_list; link; link = link->next) { + if (link->bridge_ctrl & PCI_BRIDGE_CTL_VGA) { +#if CONFIG_MULTIPLE_VGA_ADAPTERS == 1 + extern device_t vga_pri; // the primary vga device, defined in device.c + printk(BIOS_DEBUG, "VGA: vga_pri bus num = %d bus range [%d,%d]\n", vga_pri->bus->secondary, + link->secondary,link->subordinate); + /* We need to make sure the vga_pri is under the link */ + if((vga_pri->bus->secondary >= link->secondary ) && + (vga_pri->bus->secondary <= link->subordinate ) + ) +#endif + break; + } + } + + /* no VGA card installed */ + if (link == NULL) + return; + + printk(BIOS_DEBUG, "VGA: %s (aka node %d) link %d has VGA device\n", dev_path(dev), nodeid, sblink); + set_vga_enable_reg(nodeid, sblink); +} + + +static void set_resources(device_t dev) +{ + unsigned nodeid; + struct bus *bus; + struct resource *res; + + /* Find the nodeid */ + nodeid = amdfam15_nodeid(dev); + + create_vga_resource(dev, nodeid); //TODO: do we need this? + + /* Set each resource we have found */ + for (res = dev->resource_list; res; res = res->next) { + set_resource(dev, res, nodeid); + } + + for (bus = dev->link_list; bus; bus = bus->next) { + if (bus->children) { + assign_resources(bus); + } + } +} + +static void northbridge_init(struct device *dev) +{ +} + +static unsigned scan_chains(device_t dev, unsigned max) +{ + unsigned nodeid; + struct bus *link; + device_t io_hub = NULL; + u32 next_unitid = 0x18; + nodeid = amdfam15_nodeid(dev); + if (nodeid == 0) { + for (link = dev->link_list; link; link = link->next) { + //if (link->link_num == sblink) { /* devicetree put IO Hub on link_lsit[sblink] */ + if (link->link_num == 0) { /* devicetree put IO Hub on link_lsit[0] */ + io_hub = link->children; + if (!io_hub || !io_hub->enabled) { + die("I can't find the IO Hub, or IO Hub not enabled, please check the device tree.\n"); + } + /* Now that nothing is overlapping it is safe to scan the children. */ + max = pci_scan_bus(link, 0x00, ((next_unitid - 1) << 3) | 7, 0); + } + } + } + return max; +} + +static struct device_operations northbridge_operations = { + .read_resources = read_resources, + .set_resources = set_resources, + .enable_resources = pci_dev_enable_resources, + .init = northbridge_init, + .scan_bus = scan_chains, + .enable = 0, + .ops_pci = 0, +}; + +static const struct pci_driver family15_northbridge __pci_driver = { + .ops = &northbridge_operations, + .vendor = PCI_VENDOR_ID_AMD, + .device = 0x1600, +}; + +static const struct pci_driver family10_northbridge __pci_driver = { + .ops = &northbridge_operations, + .vendor = PCI_VENDOR_ID_AMD, + .device = 0x1200, +}; + +struct chip_operations northbridge_amd_agesa_family15_ops = { + CHIP_NAME("AMD FAM15 Northbridge") + .enable_dev = 0, +}; + +static void domain_read_resources(device_t dev) +{ + unsigned reg; + + + /* Find the already assigned resource pairs */ + get_fx_devs(); + for (reg = 0x80; reg <= 0xd8; reg+= 0x08) { + u32 base, limit; + base = f1_read_config32(reg); + limit = f1_read_config32(reg + 0x04); + /* Is this register allocated? */ + if ((base & 3) != 0) { + unsigned nodeid, reg_link; + device_t reg_dev; + if (reg<0xc0) { // mmio + nodeid = (limit & 0xf) + (base&0x30); + } else { // io + nodeid = (limit & 0xf) + ((base>>4)&0x30); + } + reg_link = (limit >> 4) & 7; + reg_dev = __f0_dev[nodeid]; + if (reg_dev) { + /* Reserve the resource */ + struct resource *res; + res = new_resource(reg_dev, IOINDEX(0x1000 + reg, reg_link)); + if (res) { + res->flags = 1; + } + } + } + } + /* FIXME: do we need to check extend conf space? + I don't believe that much preset value */ + +#if CONFIG_PCI_64BIT_PREF_MEM == 0 + pci_domain_read_resources(dev); + + +#else + struct bus *link; + struct resource *resource; + for (link=dev->link_list; link; link = link->next) { + /* Initialize the system wide io space constraints */ + resource = new_resource(dev, 0|(link->link_num<<2)); + resource->base = 0x400; + resource->limit = 0xffffUL; + resource->flags = IORESOURCE_IO; + + /* Initialize the system wide prefetchable memory resources constraints */ + resource = new_resource(dev, 1|(link->link_num<<2)); + resource->limit = 0xfcffffffffULL; + resource->flags = IORESOURCE_MEM | IORESOURCE_PREFETCH; + + /* Initialize the system wide memory resources constraints */ + resource = new_resource(dev, 2|(link->link_num<<2)); + resource->limit = 0xfcffffffffULL; + resource->flags = IORESOURCE_MEM; + } +#endif +} + +static void domain_enable_resources(device_t dev) +{ + u32 val; + /* Must be called after PCI enumeration and resource allocation */ + printk(BIOS_DEBUG, "\nFam15 - domain_enable_resources: AmdInitMid.\n"); + val = agesawrapper_amdinitmid(); + if (val) { + printk(BIOS_DEBUG, "agesawrapper_amdinitmid failed: %x \n", val); + } + printk(BIOS_DEBUG, " ader - leaving domain_enable_resources.\n"); +} + + +#if CONFIG_HW_MEM_HOLE_SIZEK != 0 +struct hw_mem_hole_info { + unsigned hole_startk; + int node_id; +}; +static struct hw_mem_hole_info get_hw_mem_hole_info(void) +{ + struct hw_mem_hole_info mem_hole; + int i; + mem_hole.hole_startk = CONFIG_HW_MEM_HOLE_SIZEK; + mem_hole.node_id = -1; + for (i = 0; i < node_nums; i++) { + dram_base_mask_t d; + u32 hole; + d = get_dram_base_mask(i); + if (!(d.mask & 1)) continue; // no memory on this node + hole = pci_read_config32(__f1_dev[i], 0xf0); + if (hole & 1) { // we find the hole + mem_hole.hole_startk = (hole & (0xff<<24)) >> 10; + mem_hole.node_id = i; // record the node No with hole + break; // only one hole + } + } + //We need to double check if there is speical set on base reg and limit reg are not continous instead of hole, it will find out it's hole_startk + if (mem_hole.node_id == -1) { + resource_t limitk_pri = 0; + for (i=0; i<node_nums; i++) { + dram_base_mask_t d; + resource_t base_k, limit_k; + d = get_dram_base_mask(i); + if (!(d.base & 1)) continue; + base_k = ((resource_t)(d.base & 0x1fffff00)) <<9; + if (base_k > 4 *1024 * 1024) break; // don't need to go to check + if (limitk_pri != base_k) { // we find the hole + mem_hole.hole_startk = (unsigned)limitk_pri; // must beblow 4G + mem_hole.node_id = i; + break; //only one hole + } + limit_k = ((resource_t)((d.mask + 0x00000100) & 0x1fffff00)) << 9; + limitk_pri = limit_k; + } + } + return mem_hole; +} +#endif +#if CONFIG_WRITE_HIGH_TABLES==1 +#define HIGH_TABLES_SIZE 64 // maximum size of high tables in KB +extern uint64_t high_tables_base, high_tables_size; +#endif +#if CONFIG_GFXUMA == 1 +extern uint64_t uma_memory_base, uma_memory_size; +static void add_uma_resource(struct device *dev, int index) +{ + struct resource *resource; + + printk(BIOS_DEBUG, "Adding UMA memory area\n"); + resource = new_resource(dev, index); + resource->base = (resource_t) uma_memory_base; + resource->size = (resource_t) uma_memory_size; + resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE | + IORESOURCE_FIXED | IORESOURCE_STORED | + IORESOURCE_ASSIGNED; +} +#endif + +static void domain_set_resources(device_t dev) +{ +#if CONFIG_PCI_64BIT_PREF_MEM == 1 + struct resource *io, *mem1, *mem2; + struct resource *res; +#endif + unsigned long mmio_basek; + u32 pci_tolm; + int i, idx; + struct bus *link; +#if CONFIG_HW_MEM_HOLE_SIZEK != 0 + struct hw_mem_hole_info mem_hole; + u32 reset_memhole = 1; +#endif + +#if CONFIG_PCI_64BIT_PREF_MEM == 1 + + for (link = dev->link_list; link; link = link->next) { + /* Now reallocate the pci resources memory with the + * highest addresses I can manage. + */ + mem1 = find_resource(dev, 1|(link->link_num<<2)); + mem2 = find_resource(dev, 2|(link->link_num<<2)); + + printk(BIOS_DEBUG, "base1: 0x%08Lx limit1: 0x%08Lx size: 0x%08Lx align: %d\n", + mem1->base, mem1->limit, mem1->size, mem1->align); + printk(BIOS_DEBUG, "base2: 0x%08Lx limit2: 0x%08Lx size: 0x%08Lx align: %d\n", + mem2->base, mem2->limit, mem2->size, mem2->align); + + /* See if both resources have roughly the same limits */ + if (((mem1->limit <= 0xffffffff) && (mem2->limit <= 0xffffffff)) || + ((mem1->limit > 0xffffffff) && (mem2->limit > 0xffffffff))) + { + /* If so place the one with the most stringent alignment first */ + if (mem2->align > mem1->align) { + struct resource *tmp; + tmp = mem1; + mem1 = mem2; + mem2 = tmp; + } + /* Now place the memory as high up as it will go */ + mem2->base = resource_max(mem2); + mem1->limit = mem2->base - 1; + mem1->base = resource_max(mem1); + } + else { + /* Place the resources as high up as they will go */ + mem2->base = resource_max(mem2); + mem1->base = resource_max(mem1); + } + + printk(BIOS_DEBUG, "base1: 0x%08Lx limit1: 0x%08Lx size: 0x%08Lx align: %d\n", + mem1->base, mem1->limit, mem1->size, mem1->align); + printk(BIOS_DEBUG, "base2: 0x%08Lx limit2: 0x%08Lx size: 0x%08Lx align: %d\n", + mem2->base, mem2->limit, mem2->size, mem2->align); + } + + for (res = &dev->resource_list; res; res = res->next) + { + res->flags |= IORESOURCE_ASSIGNED; + res->flags |= IORESOURCE_STORED; + report_resource_stored(dev, res, ""); + } +#endif + + pci_tolm = 0xffffffffUL; + for (link = dev->link_list; link; link = link->next) { + pci_tolm = find_pci_tolm(link); + } + + // FIXME handle interleaved nodes. If you fix this here, please fix + // amdk8, too. + mmio_basek = pci_tolm >> 10; + /* Round mmio_basek to something the processor can support */ + mmio_basek &= ~((1 << 6) -1); + + // FIXME improve mtrr.c so we don't use up all of the mtrrs with a 64M + // MMIO hole. If you fix this here, please fix amdk8, too. + /* Round the mmio hole to 64M */ + mmio_basek &= ~((64*1024) - 1); + +#if CONFIG_HW_MEM_HOLE_SIZEK != 0 + /* if the hw mem hole is already set in raminit stage, here we will compare + * mmio_basek and hole_basek. if mmio_basek is bigger that hole_basek and will + * use hole_basek as mmio_basek and we don't need to reset hole. + * otherwise We reset the hole to the mmio_basek + */ + + mem_hole = get_hw_mem_hole_info(); + + // Use hole_basek as mmio_basek, and we don't need to reset hole anymore + if ((mem_hole.node_id != -1) && (mmio_basek > mem_hole.hole_startk)) { + mmio_basek = mem_hole.hole_startk; + reset_memhole = 0; + } +#endif + + idx = 0x10; + for (i = 0; i < node_nums; i++) { + dram_base_mask_t d; + resource_t basek, limitk, sizek; // 4 1T + + d = get_dram_base_mask(i); + + if (!(d.mask & 1)) continue; + basek = ((resource_t)(d.base & 0x1fffff00)) << 9; // could overflow, we may lost 6 bit here + limitk = ((resource_t)((d.mask + 0x00000100) & 0x1fffff00)) << 9 ; + + sizek = limitk - basek; + + + /* see if we need a hole from 0xa0000 to 0xbffff */ + if ((basek < ((8*64)+(8*16))) && (sizek > ((8*64)+(16*16)))) { + ram_resource(dev, (idx | i), basek, ((8*64)+(8*16)) - basek); + idx += 0x10; + basek = (8*64)+(16*16); + sizek = limitk - ((8*64)+(16*16)); + + } + + //printk(BIOS_DEBUG, "node %d : mmio_basek=%08lx, basek=%08llx, limitk=%08llx\n", i, mmio_basek, basek, limitk); + + /* split the region to accomodate pci memory space */ + if ((basek < 4*1024*1024 ) && (limitk > mmio_basek)) { + if (basek <= mmio_basek) { + unsigned pre_sizek; + pre_sizek = mmio_basek - basek; + if (pre_sizek>0) { + ram_resource(dev, (idx | i), basek, pre_sizek); + idx += 0x10; + sizek -= pre_sizek; +#if CONFIG_WRITE_HIGH_TABLES==1 + if (high_tables_base==0) { + /* Leave some space for ACPI, PIRQ and MP tables */ +#if CONFIG_GFXUMA == 1 + high_tables_base = uma_memory_base - (HIGH_TABLES_SIZE * 1024); +#else + high_tables_base = (mmio_basek - HIGH_TABLES_SIZE) * 1024; +#endif + high_tables_size = HIGH_TABLES_SIZE * 1024; + printk(BIOS_DEBUG, " split: %dK table at =%08llx\n", + HIGH_TABLES_SIZE, high_tables_base); + } +#endif + } + basek = mmio_basek; + } + if ((basek + sizek) <= 4*1024*1024) { + sizek = 0; + } + else { + basek = 4*1024*1024; + sizek -= (4*1024*1024 - mmio_basek); + } + } + +#if CONFIG_GFXUMA == 1 + /* Deduct uma memory before reporting because + * this is what the mtrr code expects */ + sizek -= uma_memory_size / 1024; +#endif + ram_resource(dev, (idx | i), basek, sizek); + idx += 0x10; +#if CONFIG_WRITE_HIGH_TABLES==1 + printk(BIOS_DEBUG, "node %d: mmio_basek=%08lx, basek=%08llx, limitk=%08llx\n", + i, mmio_basek, basek, limitk); + if (high_tables_base==0) { + /* Leave some space for ACPI, PIRQ and MP tables */ +#if CONFIG_GFXUMA == 1 + high_tables_base = uma_memory_base - (HIGH_TABLES_SIZE * 1024); +#else + high_tables_base = (limitk - HIGH_TABLES_SIZE) * 1024; +#endif + high_tables_size = HIGH_TABLES_SIZE * 1024; + } +#endif + } + +#if CONFIG_GFXUMA == 1 + add_uma_resource(dev, 7); +#endif + + for(link = dev->link_list; link; link = link->next) { + if (link->children) { + assign_resources(link); + } + } +} + + +static struct device_operations pci_domain_ops = { + .read_resources = domain_read_resources, + .set_resources = domain_set_resources, + .enable_resources = domain_enable_resources, + .init = NULL, + .scan_bus = pci_domain_scan_bus, + +#if CONFIG_MMCONF_SUPPORT_DEFAULT + .ops_pci_bus = &pci_ops_mmconf, +#else + .ops_pci_bus = &pci_cf8_conf1, +#endif +}; + + +static void sysconf_init(device_t dev) // first node +{ + sblink = (pci_read_config32(dev, 0x64)>>8) & 7; // don't forget sublink1 + node_nums = ((pci_read_config32(dev, 0x60)>>4) & 7) + 1; //NodeCnt[2:0] +} + +static void add_more_links(device_t dev, unsigned total_links) +{ + struct bus *link, *last = NULL; + int link_num; + + for (link = dev->link_list; link; link = link->next) + last = link; + + if (last) { + int links = total_links - last->link_num; + link_num = last->link_num; + if (links > 0) { + link = malloc(links*sizeof(*link)); + if (!link) + die("Couldn't allocate more links!\n"); + memset(link, 0, links*sizeof(*link)); + last->next = link; + } + } + else { + link_num = -1; + link = malloc(total_links*sizeof(*link)); + memset(link, 0, total_links*sizeof(*link)); + dev->link_list = link; + } + + for (link_num = link_num + 1; link_num < total_links; link_num++) { + link->link_num = link_num; + link->dev = dev; + link->next = link + 1; + last = link; + link = link->next; + } + last->next = NULL; +} + +/* dummy read_resources */ +static void lapic_read_resources(device_t dev) +{ +} + +static struct device_operations lapic_ops = { + .read_resources = lapic_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = 0, + .scan_bus = 0, + .enable = 0, + .ops_pci = 0, +}; + +static u32 cpu_bus_scan(device_t dev, u32 max) +{ + struct bus *cpu_bus; + device_t dev_mc; +#if CONFIG_CBB + device_t pci_domain; +#endif + int i,j; + int coreid_bits; + int core_max = 0; + unsigned ApicIdCoreIdSize; + unsigned core_nums; + int siblings = 0; + unsigned int family; + +#if CONFIG_CBB + dev_mc = dev_find_slot(0, PCI_DEVFN(CONFIG_CDB, 0)); //0x00 + if (dev_mc && dev_mc->bus) { + printk(BIOS_DEBUG, "%s found", dev_path(dev_mc)); + pci_domain = dev_mc->bus->dev; + if (pci_domain && (pci_domain->path.type == DEVICE_PATH_PCI_DOMAIN)) { + printk(BIOS_DEBUG, "\n%s move to ",dev_path(dev_mc)); + dev_mc->bus->secondary = CONFIG_CBB; // move to 0xff + printk(BIOS_DEBUG, "%s",dev_path(dev_mc)); + } else { + printk(BIOS_DEBUG, " but it is not under pci_domain directly "); + } + printk(BIOS_DEBUG, "\n"); + } + dev_mc = dev_find_slot(CONFIG_CBB, PCI_DEVFN(CONFIG_CDB, 0)); + if (!dev_mc) { + dev_mc = dev_find_slot(0, PCI_DEVFN(0x18, 0)); + if (dev_mc && dev_mc->bus) { + printk(BIOS_DEBUG, "%s found\n", dev_path(dev_mc)); + pci_domain = dev_mc->bus->dev; + if (pci_domain && (pci_domain->path.type == DEVICE_PATH_PCI_DOMAIN)) { + if ((pci_domain->link_list) && (pci_domain->link_list->children == dev_mc)) { + printk(BIOS_DEBUG, "%s move to ",dev_path(dev_mc)); + dev_mc->bus->secondary = CONFIG_CBB; // move to 0xff + printk(BIOS_DEBUG, "%s\n",dev_path(dev_mc)); + while (dev_mc) { + printk(BIOS_DEBUG, "%s move to ",dev_path(dev_mc)); + dev_mc->path.pci.devfn -= PCI_DEVFN(0x18,0); + printk(BIOS_DEBUG, "%s\n",dev_path(dev_mc)); + dev_mc = dev_mc->sibling; + } + } + } + } + } +#endif + dev_mc = dev_find_slot(CONFIG_CBB, PCI_DEVFN(CONFIG_CDB, 0)); + if (!dev_mc) { + printk(BIOS_ERR, "%02x:%02x.0 not found", CONFIG_CBB, CONFIG_CDB); + die(""); + } + sysconf_init(dev_mc); +#if CONFIG_CBB && (MAX_NODE_NUMS > 32) + if (node_nums>32) { // need to put node 32 to node 63 to bus 0xfe + if (pci_domain->link_list && !pci_domain->link_list->next) { + struct bus *new_link = new_link(pci_domain); + pci_domain->link_list->next = new_link; + new_link->link_num = 1; + new_link->dev = pci_domain; + new_link->children = 0; + printk(BIOS_DEBUG, "%s links now 2\n", dev_path(pci_domain)); + } + pci_domain->link_list->next->secondary = CONFIG_CBB - 1; + } +#endif + + /* Get Max Number of cores(MNC) */ + coreid_bits = (cpuid_ecx(AMD_CPUID_ASIZE_PCCOUNT) & 0x0000F000) >> 12; + core_max = 1 << (coreid_bits & 0x000F); //mnc + + ApicIdCoreIdSize = ((cpuid_ecx(0x80000008)>>12) & 0xF); + if (ApicIdCoreIdSize) { + core_nums = (1 << ApicIdCoreIdSize) - 1; + } else { + core_nums = 3; //quad core + } + + /* Find which cpus are present */ + cpu_bus = dev->link_list; + for (i = 0; i < node_nums; i++) { + device_t cdb_dev, cpu; + struct device_path cpu_path; + unsigned busn, devn; + struct bus *pbus; + + busn = CONFIG_CBB; + devn = CONFIG_CDB + i; + pbus = dev_mc->bus; +#if CONFIG_CBB && (MAX_NODE_NUMS > 32) + if (i >= 32) { + busn--; + devn -= 32; + pbus = pci_domain->link_list->next; + } +#endif + + /* Find the cpu's pci device */ + cdb_dev = dev_find_slot(busn, PCI_DEVFN(devn, 0)); + if (!cdb_dev) { + /* If I am probing things in a weird order + * ensure all of the cpu's pci devices are found. + */ + int fn; + for(fn = 0; fn <= 5; fn++) { //FBDIMM? + cdb_dev = pci_probe_dev(NULL, pbus, + PCI_DEVFN(devn, fn)); + } + cdb_dev = dev_find_slot(busn, PCI_DEVFN(devn, 0)); + } else { + /* Ok, We need to set the links for that device. + * otherwise the device under it will not be scanned + */ + int linknum; +#if CONFIG_HT3_SUPPORT==1 + linknum = 8; +#else + linknum = 4; +#endif + add_more_links(cdb_dev, linknum); + } + + family = cpuid_eax(1); + family = (family >> 20) & 0xFF; + if (family == 1) { //f10 + u32 dword; + cdb_dev = dev_find_slot(busn, PCI_DEVFN(devn, 3)); + dword = pci_read_config32(cdb_dev, 0xe8); + siblings = ((dword & BIT15) >> 13) | ((dword & (BIT13 | BIT12)) >> 12); + } else if (family == 6) {//f15 + cdb_dev = dev_find_slot(busn, PCI_DEVFN(devn, 5)); + if (cdb_dev && cdb_dev->enabled) { + siblings = pci_read_config32(cdb_dev, 0x84); + siblings &= 0xFF; + } + } else { + siblings = 0; //default one core + } + printk(BIOS_SPEW, "%s family%xh, core_max=0x%x, core_nums=0x%x, siblings=0x%x\n", + dev_path(cdb_dev), 0x0f + family, core_max, core_nums, siblings); + + for (j = 0; j <= siblings; j++ ) { + extern CONST OPTIONS_CONFIG_TOPOLOGY ROMDATA TopologyConfiguration; + u32 modules = TopologyConfiguration.PlatformNumberOfModules; + u32 lapicid_start = 0; + + /* Build the cpu device path */ + cpu_path.type = DEVICE_PATH_APIC; + /* + * APIC ID calucation is tightly coupled with AGESA v5 code. + * This calculation MUST match the assignment calculation done + * in LocalApicInitializationAtEarly() function. + * And reference GetLocalApicIdForCore() + * + * Apply apic enumeration rules + * For systems with >= 16 APICs, put the IO-APICs at 0..n and + * put the local-APICs at m..z + * + * This is needed because many IO-APIC devices only have 4 bits + * for their APIC id and therefore must reside at 0..15 + */ +#ifndef CFG_PLAT_NUM_IO_APICS /* defined in mainboard buildOpts.c */ +#define CFG_PLAT_NUM_IO_APICS 3 +#endif + if ((node_nums * core_max) + CFG_PLAT_NUM_IO_APICS >= 0x10) { + lapicid_start = (CFG_PLAT_NUM_IO_APICS - 1) / core_max; + lapicid_start = (lapicid_start + 1) * core_max; + printk(BIOS_SPEW, "lpaicid_start=0x%x ", lapicid_start); + } + cpu_path.apic.apic_id = (lapicid_start * (i/modules + 1)) + ((i % modules) ? (j + (siblings + 1)) : j); + printk(BIOS_SPEW, "node 0x%x core 0x%x apicid=0x%x\n", + i, j, cpu_path.apic.apic_id); + + /* See if I can find the cpu */ + cpu = find_dev_path(cpu_bus, &cpu_path); + /* Enable the cpu if I have the processor */ + if (cdb_dev && cdb_dev->enabled) { + if (!cpu) { + cpu = alloc_dev(cpu_bus, &cpu_path); + } + if (cpu) { + cpu->enabled = 1; + } + } + /* Disable the cpu if I don't have the processor */ + if (cpu && (!cdb_dev || !cdb_dev->enabled)) { + cpu->enabled = 0; + } + /* Report what I have done */ + if (cpu) { + cpu->path.apic.node_id = i; + cpu->path.apic.core_id = j; + if (cpu->path.type == DEVICE_PATH_APIC) { + cpu->ops = &lapic_ops; + } + printk(BIOS_DEBUG, "CPU: %s %s\n", + dev_path(cpu), cpu->enabled?"enabled":"disabled"); + } + } //j + } + return max; +} + +static void cpu_bus_init(device_t dev) +{ + initialize_cpus(dev->link_list); +} + +static void cpu_bus_noop(device_t dev) +{ +} + +static void cpu_bus_read_resources(device_t dev) +{ +#if CONFIG_MMCONF_SUPPORT + struct resource *resource = new_resource(dev, 0xc0010058); + resource->base = CONFIG_MMCONF_BASE_ADDRESS; + resource->size = CONFIG_MMCONF_BUS_NUMBER * 4096*256; + resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE | + IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED; +#endif +} + +static void cpu_bus_set_resources(device_t dev) +{ + struct resource *resource = find_resource(dev, 0xc0010058); + if (resource) { + report_resource_stored(dev, resource, " <mmconfig>"); + } + pci_dev_set_resources(dev); +} + +static struct device_operations cpu_bus_ops = { + .read_resources = cpu_bus_read_resources, + .set_resources = cpu_bus_set_resources, + .enable_resources = cpu_bus_noop, + .init = cpu_bus_init, + .scan_bus = cpu_bus_scan, +}; + + +static void root_complex_enable_dev(struct device *dev) +{ + /* Set the operations if it is a special bus type */ + if (dev->path.type == DEVICE_PATH_PCI_DOMAIN) { + dev->ops = &pci_domain_ops; + } else if (dev->path.type == DEVICE_PATH_APIC_CLUSTER) { + dev->ops = &cpu_bus_ops; + } +} + + +struct chip_operations northbridge_amd_agesa_family15_root_complex_ops = { + CHIP_NAME("AMD FAM15 Root Complex") + .enable_dev = root_complex_enable_dev, +}; diff --git a/src/northbridge/amd/agesa/family15/northbridge.h b/src/northbridge/amd/agesa/family15/northbridge.h new file mode 100644 index 0000000..7606b32 --- /dev/null +++ b/src/northbridge/amd/agesa/family15/northbridge.h @@ -0,0 +1,26 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef NORTHBRIDGE_AMD_AGESA_FAM15_H +#define NORTHBRIDGE_AMD_AGESA_FAM15_H + +static struct device_operations pci_domain_ops; +static struct device_operations cpu_bus_ops; + +#endif /* NORTHBRIDGE_AMD_AGESA_FAM15_H */ diff --git a/src/northbridge/amd/agesa/family15/root_complex/Kconfig b/src/northbridge/amd/agesa/family15/root_complex/Kconfig new file mode 100644 index 0000000..032b836 --- /dev/null +++ b/src/northbridge/amd/agesa/family15/root_complex/Kconfig @@ -0,0 +1,2 @@ +config NORTHBRIDGE_AMD_AGESA_FAMILY15_ROOT_COMPLEX + bool diff --git a/src/northbridge/amd/agesa/family15/root_complex/chip.h b/src/northbridge/amd/agesa/family15/root_complex/chip.h new file mode 100644 index 0000000..06b3510 --- /dev/null +++ b/src/northbridge/amd/agesa/family15/root_complex/chip.h @@ -0,0 +1,24 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +struct northbridge_amd_agesa_family15_root_complex_config +{ +}; + +extern struct chip_operations northbridge_amd_agesa_family15_root_complex_ops;

1 0

Patch set updated for coreboot: 5d7ce65 RD890: AMD RD890/SR56X0 CIMX wrapper
by Kerry Sheh 03 Feb '12

03 Feb '12

Kerry Sheh (shekairui(a)gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/559 -gerrit commit 5d7ce65c8410c67dcbb5496714cdb36378e203b9 Author: Kerry Sheh <shekairui(a)gmail.com> Date: Fri Feb 3 12:35:23 2012 +0800 RD890: AMD RD890/SR56X0 CIMX wrapper Support AMD RD890 CIMX support AMD RD890TV, RX780, RD780, SR56x0, RD890 and 990FX chipsets. Change-Id: I39dc5fc316fbb465808bac48a13a49b7d867f04f Signed-off-by: Kerry Sheh <kerry.she(a)amd.com> Signed-off-by: Kerry Sheh <shekairui(a)gmail.com> --- src/northbridge/amd/Kconfig | 1 + src/northbridge/amd/Makefile.inc | 1 + src/northbridge/amd/cimx/Kconfig | 24 ++ src/northbridge/amd/cimx/Makefile.inc | 20 ++ src/northbridge/amd/cimx/rd890/Kconfig | 33 +++ src/northbridge/amd/cimx/rd890/Makefile.inc | 25 ++ src/northbridge/amd/cimx/rd890/NbPlatform.h | 147 ++++++++++ src/northbridge/amd/cimx/rd890/amd.h | 385 +++++++++++++++++++++++++++ src/northbridge/amd/cimx/rd890/cbtypes.h | 71 +++++ src/northbridge/amd/cimx/rd890/chip.h | 38 +++ src/northbridge/amd/cimx/rd890/early.c | 113 ++++++++ src/northbridge/amd/cimx/rd890/late.c | 269 +++++++++++++++++++ src/northbridge/amd/cimx/rd890/nb_cimx.h | 44 +++ 13 files changed, 1171 insertions(+), 0 deletions(-) diff --git a/src/northbridge/amd/Kconfig b/src/northbridge/amd/Kconfig index 4a120ca..33e19c2 100644 --- a/src/northbridge/amd/Kconfig +++ b/src/northbridge/amd/Kconfig @@ -4,6 +4,7 @@ source src/northbridge/amd/gx2/Kconfig source src/northbridge/amd/amdfam10/Kconfig source src/northbridge/amd/lx/Kconfig source src/northbridge/amd/agesa/Kconfig +source src/northbridge/amd/cimx/Kconfig menu "HyperTransport setup" #could be implemented for K8 (NORTHBRIDGE_AMD_AMDK8) depends on (NORTHBRIDGE_AMD_AMDFAM10) && EXPERT diff --git a/src/northbridge/amd/Makefile.inc b/src/northbridge/amd/Makefile.inc index bf96b80..c438473 100644 --- a/src/northbridge/amd/Makefile.inc +++ b/src/northbridge/amd/Makefile.inc @@ -5,3 +5,4 @@ subdirs-$(CONFIG_NORTHBRIDGE_AMD_GX2) += gx2 subdirs-$(CONFIG_NORTHBRIDGE_AMD_LX) += lx subdirs-$(CONFIG_AMD_AGESA) += agesa +subdirs-$(CONFIG_AMD_NB_CIMX) += cimx diff --git a/src/northbridge/amd/cimx/Kconfig b/src/northbridge/amd/cimx/Kconfig new file mode 100644 index 0000000..6751bd4 --- /dev/null +++ b/src/northbridge/amd/cimx/Kconfig @@ -0,0 +1,24 @@ +# +# This file is part of the coreboot project. +# +#Copyright (C) 2012 Advanced Micro Devices, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +# + +config AMD_NB_CIMX + bool + default n + +source src/northbridge/amd/cimx/rd890/Kconfig diff --git a/src/northbridge/amd/cimx/Makefile.inc b/src/northbridge/amd/cimx/Makefile.inc new file mode 100644 index 0000000..80844c8 --- /dev/null +++ b/src/northbridge/amd/cimx/Makefile.inc @@ -0,0 +1,20 @@ +# +# This file is part of the coreboot project. +# +# Copyright (C) 2012 Advanced Micro Devices, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +# + +subdirs-$(CONFIG_NORTHBRIDGE_AMD_CIMX_RD890) += rd890 diff --git a/src/northbridge/amd/cimx/rd890/Kconfig b/src/northbridge/amd/cimx/rd890/Kconfig new file mode 100644 index 0000000..6731b60 --- /dev/null +++ b/src/northbridge/amd/cimx/rd890/Kconfig @@ -0,0 +1,33 @@ +# +# This file is part of the coreboot project. +# +# Copyright (C) 2012 Advanced Micro Devices, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +# + +config NORTHBRIDGE_AMD_CIMX_RD890 + bool + default n + select AMD_NB_CIMX + +config REDIRECT_NBCIMX_TRACE_TO_SERIAL + bool "Redirect AMD Northbridge CIMX Trace to serial console" + default n + depends on NORTHBRIDGE_AMD_CIMX_RD890 + help + This Option allows you to redirect the AMD Northbridge CIMX + Trace debug information to the serial console. + + Warning: Only enable this option when debuging or tracing AMD CIMX code. diff --git a/src/northbridge/amd/cimx/rd890/Makefile.inc b/src/northbridge/amd/cimx/rd890/Makefile.inc new file mode 100644 index 0000000..5eaefd1 --- /dev/null +++ b/src/northbridge/amd/cimx/rd890/Makefile.inc @@ -0,0 +1,25 @@ +# +# This file is part of the coreboot project. +# +# Copyright (C) 2012 Advanced Micro Devices, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +# + + +# RD890 Platform Files +romstage-y += early.c + +ramstage-y += late.c + diff --git a/src/northbridge/amd/cimx/rd890/NbPlatform.h b/src/northbridge/amd/cimx/rd890/NbPlatform.h new file mode 100644 index 0000000..824057a --- /dev/null +++ b/src/northbridge/amd/cimx/rd890/NbPlatform.h @@ -0,0 +1,147 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef _NB_PLATFORM_H_ +#define _NB_PLATFORM_H_ + +#define SERIAL_OUT_SUPPORT //enable serial output +#define CIMX_DEBUG + +#ifdef CIMX_DEBUG +#define CIMX_TRACE_SUPPORT +#define CIMX_ASSERT_SUPPORT +#endif + +#ifdef CIMX_TRACE_SUPPORT + #define CIMX_INIT_TRACE(Arguments) + #if CONFIG_REDIRECT_NBCIMX_TRACE_TO_SERIAL + #define TRACE_DATA(Ptr, Level) BIOS_DEBUG //always enable + #define CIMX_TRACE(Argument) do {do_printk Argument;} while (0) + #else + #define TRACE_DATA(Ptr, Level) + #define CIMX_TRACE(Argument) + #endif +#else + #define CIMX_TRACE(Argument) + #define CIMX_INIT_TRACE(Arguments) +#endif + +#ifdef CIMX_ASSERT_SUPPORT + #ifdef ASSERT + #undef ASSERT + #define ASSERT CIMX_ASSERT + #endif + #ifdef CIMX_TRACE_SUPPORT + #define CIMX_ASSERT(x) if(!(x)) {\ + LibAmdTraceDebug (CIMX_TRACE_ALL, (CHAR8 *)"ASSERT !!! "__FILE__" - line %d\n", __LINE__); \ + /*__asm {jmp $}; */\ + } + //#define IDS_HDT_CONSOLE(s, args...) do_printk(BIOS_DEBUG, s, ##args) + #else + #define CIMX_ASSERT(x) if(!(x)) {\ + /*__asm {jmp $}; */\ + } + #endif +#else + #define CIMX_ASSERT(x) +#endif + +/*---------------------------------------------------------------------------------------- + * E X P O R T E D F U N C T I O N S + *---------------------------------------------------------------------------------------- + */ + +//#define STALL(Ptr, TimeUs, Flag) LibAmdSbStall(TimeUs) +#define STALL(Ptr, TimeUs, Flag) LibAmdSbStall(TimeUs, Ptr) + +#ifdef B2_IMAGE +#define REPORT_EVENT(Class, Info, Param1, Param2, Param3, Param4, CfgPtr) LibNbEventLog(Class, Info, Param1, Param2, Param3, Param4, CfgPtr) +#else +#define REPORT_EVENT(Class, Info, Param1, Param2, Param3, Param4, CfgPtr) +#endif + + + +// CIMX configuration parameters +//#define CIMX_B2_IMAGE_BASE_ADDRESS 0xFFF40000 +/** + * PCIEX_BASE_ADDRESS - Define PCIE base address + * + * @param[Option] MOVE_PCIEBAR_TO_F0000000 Set PCIe base address to 0xF7000000 + */ +#ifdef MOVE_PCIEBAR_TO_F0000000 +#define PCIEX_BASE_ADDRESS 0xF7000000 +#else +#define PCIEX_BASE_ADDRESS CONFIG_MMCONF_BASE_ADDRESS +#endif + + + +#define CIMX_S3_SAVE 1 +#include "cbtypes.h" +#include <console/console.h> + +#include "amd.h" //cimx typedef +#include <amdlib.h> +#include "amdAcpiLib.h" +#include "amdAcpiMadt.h" +#include "amdAcpiIvrs.h" +#include "amdSbLib.h" +#include "nbPcie.h" + +//must put before the nbType.h +#include "platform_cfg.h" /*platform dependented configuration */ +#include "nbType.h" + +#include "nbLib.h" +#include "nbDef.h" +#include "nbInit.h" +#include "nbHtInit.h" +#include "nbIommu.h" +#include "nbEventLog.h" +#include "nbRegisters.h" +#include "nbPcieAspm.h" +#include "nbPcieLinkWidth.h" +#include "nbPcieHotplug.h" +#include "nbPciePortRemap.h" +#include "nbPcieWorkarounds.h" +#include "nbPcieCplBuffers.h" +#include "nbPciePllControl.h" +#include "nbMiscInit.h" +#include "nbIoApic.h" +#include "nbPcieSb.h" +#include "nbRecovery.h" +#include "nbMaskedMemoryInit.h" + + +#define FIX_PTR_ADDR(x, y) x + +#define TRACE_ALWAYS 0xffffffff + +#define AmdNbDispatcher NULL + +#define CIMX_TRACE_ALL 0xFFFFFFFF +#define CIMX_NBPOR_TRACE 0xFFFFFFFF +#define CIMX_NBHT_TRACE 0xFFFFFFFF +#define CIMX_NBPCIE_TRACE 0xFFFFFFFF +#define CIMX_NB_TRACE 0xFFFFFFFF +#define CIMX_NBPCIE_MISC 0xFFFFFFFF + +#endif + diff --git a/src/northbridge/amd/cimx/rd890/amd.h b/src/northbridge/amd/cimx/rd890/amd.h new file mode 100644 index 0000000..d99f90f --- /dev/null +++ b/src/northbridge/amd/cimx/rd890/amd.h @@ -0,0 +1,385 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef _AMD_H_ +#define _AMD_H_ + +#include "cbtypes.h" + + +#define VOLATILE volatile +#define CALLCONV +#define ROMDATA +#define CIMXAPI EFIAPI + +// +// +// AGESA Types and Definitions +// +// +#ifndef NULL + #define NULL 0 +#endif + + +#define LAST_ENTRY 0xFFFFFFFF +#define IOCF8 0xCF8 +#define IOCFC 0xCFC +#define IN +#define OUT +#define IMAGE_SIGNATURE 'DMA$' + +typedef UINTN AGESA_STATUS; + + +#define AGESA_SUCCESS ((AGESA_STATUS) 0x0) +#define AGESA_ALERT ((AGESA_STATUS) 0x40000000) +#define AGESA_WARNING ((AGESA_STATUS) 0x40000001) +#define AGESA_UNSUPPORTED ((AGESA_STATUS) 0x80000003) +#define AGESA_ERROR ((AGESA_STATUS) 0xC0000001) +#define AGESA_CRITICAL ((AGESA_STATUS) 0xC0000002) +#define AGESA_FATAL ((AGESA_STATUS) 0xC0000003) + +typedef AGESA_STATUS (*CALLOUT_ENTRY) (UINT32 Param1, UINTN Param2, VOID* ConfigPtr); +typedef AGESA_STATUS (*IMAGE_ENTRY) (IN OUT VOID* ConfigPtr); +typedef AGESA_STATUS (*MODULE_ENTRY) (IN OUT VOID* ConfigPtr); + +///This allocation type is used by the AmdCreateStruct entry point +typedef enum { + PreMemHeap = 0, ///< Create heap in cache. + PostMemDram, ///< Create heap in memory. + ByHost ///< Create heap by Host. +} ALLOCATION_METHOD; + +/// These width descriptors are used by the library function, and others, to specify the data size +typedef enum ACCESS_WIDTH { + AccessWidth8 = 1, ///< Access width is 8 bits. + AccessWidth16, ///< Access width is 16 bits. + AccessWidth32, ///< Access width is 32 bits. + AccessWidth64, ///< Access width is 64 bits. + + AccessS3SaveWidth8 = 0x81, ///< Save 8 bits data. + AccessS3SaveWidth16, ///< Save 16 bits data. + AccessS3SaveWidth32, ///< Save 32 bits data. + AccessS3SaveWidth64, ///< Save 64 bits data. +} ACCESS_WIDTH; + + +// AGESA Structures +/// The standard header AMD NB UEFI drivers +typedef struct _AMD_CONFIG_PARAMS { + VOID **PeiServices; ///< Pointer to PEI service table + VOID *StallPpi; ///< Pointer to Stall PPI +// UINT32 Func; + VOID *PcieBasePtr; ///< TBD + CALLOUT_ENTRY CalloutPtr; ///<pointer to local driver callback function + CALLOUT_ENTRY InterfaceCalloutPtr; ///<pointer to external interface driver callback function +} AMD_CONFIG_PARAMS; + + +/// AGESA Binary module header structure +typedef struct _AMD_IMAGE_HEADER { + IN UINT32 Signature; ///< Binary Signature + IN CHAR8 CreatorID[8]; ///< 8 characters ID + IN CHAR8 Version[12]; ///< 12 characters version + IN UINT32 ModuleInfoOffset; ///< Offset of module + IN UINT32 EntryPointAddress; ///< Entry address + IN UINT32 ImageBase; ///< Image base + IN UINT32 RelocTableOffset; ///< Relocate Table offset + IN UINT32 ImageSize; ///< Size + IN UINT16 Checksum; ///< Checksum + IN UINT8 ImageType; ///< Type + IN UINT8 V_Reserved; ///< Reserved +} AMD_IMAGE_HEADER; + + +/// AGESA Binary module header structure +typedef struct _AMD_MODULE_HEADER { + IN UINT32 ModuleHeaderSignature; ///< Module signature + IN CHAR8 ModuleIdentifier[8]; ///< 8 characters ID + IN CHAR8 ModuleVersion[12]; ///< 12 characters version + IN MODULE_ENTRY ModuleDispatcherPtr; ///< A pointer point to dispatcher + IN struct _AMD_MODULE_HEADER *NextBlockPtr; ///< Next module header link +} AMD_MODULE_HEADER; + +/// Extended PCI address format +typedef struct { + IN OUT UINT32 Register:12; ///< Register offset + IN OUT UINT32 Function:3; ///< Function number + IN OUT UINT32 Device:5; ///< Device number + IN OUT UINT32 Bus:8; ///< Bus number + IN OUT UINT32 Segment:4; ///< Segment +} EXT_PCI_ADDR; + +/// Union type for PCI address +typedef union _PCI_ADDR { + IN UINT32 AddressValue; ///< Formal address + IN EXT_PCI_ADDR Address; ///< Extended address +} PCI_ADDR; + +#define FUNC_0 0 // bit-placed for PCI address creation +#define FUNC_1 1 +#define FUNC_2 2 +#define FUNC_3 3 +#define FUNC_4 4 +#define FUNC_5 5 +#define FUNC_6 6 +#define FUNC_7 7 + +// SBDFO - Segment Bus Device Function Offset +// 31:28 Segment (4-bits) +// 27:20 Bus (8-bits) +// 19:15 Device (5-bits) +// 14:12 Function(3-bits) +// 11:00 Offset (12-bits) + +#define MAKE_SBDFO(Seg, Bus, Dev, Fun, Off) ((((UINT32) (Seg)) << 28) | (((UINT32) (Bus)) << 20) | \ + (((UINT32)(Dev)) << 15) | (((UINT32)(Fun)) << 12) | ((UINT32)(Off))) +#define ILLEGAL_SBDFO 0xFFFFFFFF + +/// CPUID data received registers format +typedef struct _CPUID_DATA { + IN OUT UINT32 EAX_Reg; ///< CPUID instruction result in EAX + IN OUT UINT32 EBX_Reg; ///< CPUID instruction result in EBX + IN OUT UINT32 ECX_Reg; ///< CPUID instruction result in ECX + IN OUT UINT32 EDX_Reg; ///< CPUID instruction result in EDX +} CPUID_DATA; + +#define WARM_RESET 1 +#define COLD_RESET 2 + +/// HT frequency for external callbacks +typedef enum { + HT_FREQUENCY_200M = 0, ///< HT speed 200 for external callbacks + HT_FREQUENCY_400M = 2, ///< HT speed 400 for external callbacks + HT_FREQUENCY_600M = 4, ///< HT speed 600 for external callbacks + HT_FREQUENCY_800M = 5, ///< HT speed 800 for external callbacks + HT_FREQUENCY_1000M = 6, ///< HT speed 1000 for external callbacks + HT_FREQUENCY_1200M = 7, ///< HT speed 1200 for external callbacks + HT_FREQUENCY_1400M = 8, ///< HT speed 1400 for external callbacks + HT_FREQUENCY_1600M = 9, ///< HT speed 1600 for external callbacks + HT_FREQUENCY_1800M = 10, ///< HT speed 1800 for external callbacks + HT_FREQUENCY_2000M = 11, ///< HT speed 2000 for external callbacks + HT_FREQUENCY_2200M = 12, ///< HT speed 2200 for external callbacks + HT_FREQUENCY_2400M = 13, ///< HT speed 2400 for external callbacks + HT_FREQUENCY_2600M = 14, ///< HT speed 2600 for external callbacks + HT_FREQUENCY_2800M = 17, ///< HT speed 2800 for external callbacks + HT_FREQUENCY_3000M = 18, ///< HT speed 3000 for external callbacks + HT_FREQUENCY_3200M = 19 ///< HT speed 3200 for external callbacks +} HT_FREQUENCIES; + +#ifndef BIT0 + #define BIT0 0x0000000000000001ull +#endif +#ifndef BIT1 + #define BIT1 0x0000000000000002ull +#endif +#ifndef BIT2 + #define BIT2 0x0000000000000004ull +#endif +#ifndef BIT3 + #define BIT3 0x0000000000000008ull +#endif +#ifndef BIT4 + #define BIT4 0x0000000000000010ull +#endif +#ifndef BIT5 + #define BIT5 0x0000000000000020ull +#endif +#ifndef BIT6 + #define BIT6 0x0000000000000040ull +#endif +#ifndef BIT7 + #define BIT7 0x0000000000000080ull +#endif +#ifndef BIT8 + #define BIT8 0x0000000000000100ull +#endif +#ifndef BIT9 + #define BIT9 0x0000000000000200ull +#endif +#ifndef BIT10 + #define BIT10 0x0000000000000400ull +#endif +#ifndef BIT11 + #define BIT11 0x0000000000000800ull +#endif +#ifndef BIT12 + #define BIT12 0x0000000000001000ull +#endif +#ifndef BIT13 + #define BIT13 0x0000000000002000ull +#endif +#ifndef BIT14 + #define BIT14 0x0000000000004000ull +#endif +#ifndef BIT15 + #define BIT15 0x0000000000008000ull +#endif +#ifndef BIT16 + #define BIT16 0x0000000000010000ull +#endif +#ifndef BIT17 + #define BIT17 0x0000000000020000ull +#endif +#ifndef BIT18 + #define BIT18 0x0000000000040000ull +#endif +#ifndef BIT19 + #define BIT19 0x0000000000080000ull +#endif +#ifndef BIT20 + #define BIT20 0x0000000000100000ull +#endif +#ifndef BIT21 + #define BIT21 0x0000000000200000ull +#endif +#ifndef BIT22 + #define BIT22 0x0000000000400000ull +#endif +#ifndef BIT23 + #define BIT23 0x0000000000800000ull +#endif +#ifndef BIT24 + #define BIT24 0x0000000001000000ull +#endif +#ifndef BIT25 + #define BIT25 0x0000000002000000ull +#endif +#ifndef BIT26 + #define BIT26 0x0000000004000000ull +#endif +#ifndef BIT27 + #define BIT27 0x0000000008000000ull +#endif +#ifndef BIT28 + #define BIT28 0x0000000010000000ull +#endif +#ifndef BIT29 + #define BIT29 0x0000000020000000ull +#endif +#ifndef BIT30 + #define BIT30 0x0000000040000000ull +#endif +#ifndef BIT31 + #define BIT31 0x0000000080000000ull +#endif +#ifndef BIT32 + #define BIT32 0x0000000100000000ull +#endif +#ifndef BIT33 + #define BIT33 0x0000000200000000ull +#endif +#ifndef BIT34 + #define BIT34 0x0000000400000000ull +#endif +#ifndef BIT35 + #define BIT35 0x0000000800000000ull +#endif +#ifndef BIT36 + #define BIT36 0x0000001000000000ull +#endif +#ifndef BIT37 + #define BIT37 0x0000002000000000ull +#endif +#ifndef BIT38 + #define BIT38 0x0000004000000000ull +#endif +#ifndef BIT39 + #define BIT39 0x0000008000000000ull +#endif +#ifndef BIT40 + #define BIT40 0x0000010000000000ull +#endif +#ifndef BIT41 + #define BIT41 0x0000020000000000ull +#endif +#ifndef BIT42 + #define BIT42 0x0000040000000000ull +#endif +#ifndef BIT43 + #define BIT43 0x0000080000000000ull +#endif +#ifndef BIT44 + #define BIT44 0x0000100000000000ull +#endif +#ifndef BIT45 + #define BIT45 0x0000200000000000ull +#endif +#ifndef BIT46 + #define BIT46 0x0000400000000000ull +#endif +#ifndef BIT47 + #define BIT47 0x0000800000000000ull +#endif +#ifndef BIT48 + #define BIT48 0x0001000000000000ull +#endif +#ifndef BIT49 + #define BIT49 0x0002000000000000ull +#endif +#ifndef BIT50 + #define BIT50 0x0004000000000000ull +#endif +#ifndef BIT51 + #define BIT51 0x0008000000000000ull +#endif +#ifndef BIT52 + #define BIT52 0x0010000000000000ull +#endif +#ifndef BIT53 + #define BIT53 0x0020000000000000ull +#endif +#ifndef BIT54 + #define BIT54 0x0040000000000000ull +#endif +#ifndef BIT55 + #define BIT55 0x0080000000000000ull +#endif +#ifndef BIT56 + #define BIT56 0x0100000000000000ull +#endif +#ifndef BIT57 + #define BIT57 0x0200000000000000ull +#endif +#ifndef BIT58 + #define BIT58 0x0400000000000000ull +#endif +#ifndef BIT59 + #define BIT59 0x0800000000000000ull +#endif +#ifndef BIT60 + #define BIT60 0x1000000000000000ull +#endif +#ifndef BIT61 + #define BIT61 0x2000000000000000ull +#endif +#ifndef BIT62 + #define BIT62 0x4000000000000000ull +#endif +#ifndef BIT63 + #define BIT63 0x8000000000000000ull +#endif + +#ifdef ASSERT + #undef ASSERT + #define ASSERT(x) +#endif + +#endif diff --git a/src/northbridge/amd/cimx/rd890/cbtypes.h b/src/northbridge/amd/cimx/rd890/cbtypes.h new file mode 100644 index 0000000..ade55d7 --- /dev/null +++ b/src/northbridge/amd/cimx/rd890/cbtypes.h @@ -0,0 +1,71 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2010 - 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef _CBTYPES_H_ +#define _CBTYPES_H_ + +//#include <stdint.h> + +/* +typedef int64_t __int64; +typedef void VOID; +typedef uint32_t UINTN;// +typedef int8_t CHAR8; +typedef uint8_t UINT8; +typedef uint16_t UINT16; +typedef uint32_t UINT32; +typedef uint64_t UINT64; +*/ +typedef signed long long __int64; +typedef void VOID; +typedef unsigned int UINTN;// +typedef signed char CHAR8; +typedef unsigned char UINT8; +typedef unsigned short UINT16; +typedef unsigned int UINT32; +typedef signed int INT32; +typedef unsigned long long UINT64; + +#define TRUE 1 +#define FALSE 0 +typedef unsigned char BOOLEAN; + +#ifndef VOLATILE +#define VOLATILE volatile +#endif + +#ifndef IN +#define IN +#endif +#ifndef OUT +#define OUT +#endif + +//porting.h +#ifndef CONST +#define CONST const +#endif +#ifndef STATIC +#define STATIC static +#endif +#ifndef VOLATILE +#define VOLATILE volatile +#endif + +#endif diff --git a/src/northbridge/amd/cimx/rd890/chip.h b/src/northbridge/amd/cimx/rd890/chip.h new file mode 100644 index 0000000..c2f985b --- /dev/null +++ b/src/northbridge/amd/cimx/rd890/chip.h @@ -0,0 +1,38 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + + +#ifndef _CIMX_RD890_CHIP_H_ +#define _CIMX_RD890_CHIP_H_ + +extern struct chip_operations northbridge_amd_cimx_rd890_ops; + +/** + * RD890 specific device configuration + */ +struct northbridge_amd_cimx_rd890_config +{ + u8 gpp1_configuration; + u8 gpp2_configuration; + u8 gpp3a_configuration; + u16 port_enable; +}; + +#endif /* _CIMX_RD890_CHIP_H_ */ + diff --git a/src/northbridge/amd/cimx/rd890/early.c b/src/northbridge/amd/cimx/rd890/early.c new file mode 100644 index 0000000..8008223 --- /dev/null +++ b/src/northbridge/amd/cimx/rd890/early.c @@ -0,0 +1,113 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <stdint.h> +#include "NbPlatform.h" +#include "rd890_cfg.h" +#include "nb_cimx.h" + + +/** + * @brief disable GPP1 Port0,1, GPP2, GPP3a Port0,1,2,3,4,5, GPP3b + * + * SR5650/5670/5690 RD890 chipset, read pci config space hang at POR, + * Disable all Pcie Bridges to work around It. + */ +void sr56x0_rd890_disable_pcie_bridge(void) +{ + u32 nb_dev; + u32 mask; + u32 val; + AMD_NB_CONFIG_BLOCK cfg_block; + AMD_NB_CONFIG_BLOCK *cfg_ptr = &cfg_block; + AMD_NB_CONFIG *nb_cfg = &(cfg_block.Northbridges[0]); + + nb_cfg->ConfigPtr = &cfg_ptr; + nb_dev = MAKE_SBDFO(0, 0x0, 0x0, 0x0, 0x0); + val = (1 << 2) | (1 << 3); /*GPP1*/ + val |= (1 << 4) | (1 << 5) | (1 << 6) | (1 << 7) | (1 << 16) | (1 << 17); /*GPP3a*/ + val |= (1 << 18) | (1 << 19); /*GPP2*/ + val |= (1 << 20); /*GPP3b*/ + mask = ~val; + LibNbPciIndexRMW(nb_dev | NB_MISC_INDEX, NB_MISC_REG0C, + AccessS3SaveWidth32, + mask, + val, + nb_cfg); +} + + +/** + * @brief South Bridge CIMx romstage entry, + * wrapper of AmdPowerOnResetInit entry point. + */ +void nb_Poweron_Init(void) +{ + NB_CONFIG nb_cfg[MAX_NB_COUNT]; + HT_CONFIG ht_cfg[MAX_NB_COUNT]; + PCIE_CONFIG pcie_cfg[MAX_NB_COUNT]; + AMD_NB_CONFIG_BLOCK gConfig; + AMD_NB_CONFIG_BLOCK *ConfigPtr = &gConfig; + AGESA_STATUS status; + + printk(BIOS_DEBUG, "cimx/rd890 early.c %s() Start\n", __func__); + CIMX_INIT_TRACE(); + CIMX_TRACE((BIOS_DEBUG, "NbPowerOnResetInit entry\n")); + rd890_cimx_config(&gConfig, &nb_cfg[0], &ht_cfg[0], &pcie_cfg[0]); + + if (ConfigPtr->StandardHeader.CalloutPtr != NULL) { + ConfigPtr->StandardHeader.CalloutPtr(CB_AmdSetNbPorConfig, 0, &gConfig); + } + + status = AmdPowerOnResetInit(&gConfig); + printk(BIOS_DEBUG, "cimx/rd890 early.c %s() End. return status=%x\n", __func__, status); +} + +/** + * @brief South Bridge CIMx romstage entry, + * wrapper of AmdHtInit entry point. + */ +void nb_Ht_Init(void) +{ + AGESA_STATUS status; + NB_CONFIG nb_cfg[MAX_NB_COUNT]; + HT_CONFIG ht_cfg[MAX_NB_COUNT]; + PCIE_CONFIG pcie_cfg[MAX_NB_COUNT]; + AMD_NB_CONFIG_BLOCK gConfig; + AMD_NB_CONFIG_BLOCK *ConfigPtr = &gConfig; + u32 i; + + rd890_cimx_config(&gConfig, &nb_cfg[0], &ht_cfg[0], &pcie_cfg[0]); + + //Initialize HT structure + LibSystemApiCall(AmdHtInitializer, &gConfig); + for (i = 0; i < MAX_NB_COUNT; i ++) { + if (ConfigPtr->StandardHeader.CalloutPtr != NULL) { + ConfigPtr->StandardHeader.CalloutPtr(CB_AmdSetHtConfig, 0, (VOID*)&(gConfig.Northbridges[i])); + } + } + + status = LibSystemApiCall(AmdHtInit, &gConfig); + printk(BIOS_DEBUG, "AmdHtInit status: %x\n", status); +} + +void nb_S3_Init(void) +{ + //TODO +} diff --git a/src/northbridge/amd/cimx/rd890/late.c b/src/northbridge/amd/cimx/rd890/late.c new file mode 100644 index 0000000..62a842a --- /dev/null +++ b/src/northbridge/amd/cimx/rd890/late.c @@ -0,0 +1,269 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <stdint.h> +#include <console/console.h> +#include <device/device.h> +#include <arch/ioapic.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include "NbPlatform.h" +#include "nb_cimx.h" +#include "rd890_cfg.h" + + +/** + * Global RD890 CIMX Configuration structure + */ +static NB_CONFIG nb_cfg[MAX_NB_COUNT]; +static HT_CONFIG ht_cfg[MAX_NB_COUNT]; +static PCIE_CONFIG pcie_cfg[MAX_NB_COUNT]; +static AMD_NB_CONFIG_BLOCK gConfig; + + +/** + * Reset PCIE Cores, Training the Ports selected by port_enable of devicetree + * After this call EP are fully operational on particular NB + */ +void nb_Pcie_Early_Init(void) +{ + LibSystemApiCall(AmdPcieEarlyInit, &gConfig); //AmdPcieEarlyInit(&gConfig); +} + +void nb_Pcie_Late_Init(void) +{ + LibSystemApiCall(AmdPcieLateInit, &gConfig); +} + +void nb_Early_Post_Init(void) +{ + LibSystemApiCall(AmdEarlyPostInit, &gConfig); +} + +void nb_Mid_Post_Init(void) +{ + LibSystemApiCall(AmdMidPostInit, &gConfig); +} + +void nb_Late_Post_Init(void) +{ + LibSystemApiCall(AmdLatePostInit, &gConfig); +} + +static void rd890_enable(device_t dev) +{ + u32 address = 0; + u32 mask; + u32 val; + u32 devfn; + u32 port; + AMD_NB_CONFIG *NbConfigPtr = NULL; + + u8 nb_index = 0; /* The first IO Hub, TODO: other NBs */ + address = MAKE_SBDFO(0, 0x0, 0x0, 0x0, 0x0); + NbConfigPtr = &(gConfig.Northbridges[nb_index]); + + devfn = dev->path.pci.devfn; + port = devfn >> 3; + printk(BIOS_INFO, "rd890_enable "); + printk(BIOS_INFO, "Bus-%x Dev-%X Fun-%X, enable=%x\n", + 0, (devfn >> 3), (devfn & 0x07), dev->enabled); + if (port != 0) { + if (dev->enabled) { + NbConfigPtr->pPcieConfig->PortConfiguration[port].ForcePortDisable = OFF; + } else { + NbConfigPtr->pPcieConfig->PortConfiguration[port].ForcePortDisable = ON; + } + } + + switch (port) { + case 0x0: /* Root Complex, and ClkConfig */ + + if ((devfn & 0x07) == 1) { /* skip dev-0 fun-1 */ + break; + } + + /* CIMX configuration defualt initialize */ + rd890_cimx_config(&gConfig, &nb_cfg[0], &ht_cfg[0], &pcie_cfg[0]); + if (gConfig.StandardHeader.CalloutPtr != NULL) { + /* NOTE: not use LibNbCallBack */ + gConfig.StandardHeader.CalloutPtr(CB_AmdSetPcieEarlyConfig, (u32)dev, (VOID*)NbConfigPtr); + } + /* Reset PCIE Cores, Training the Ports selected by port_enable of devicetree + * After this call EP are fully operational on particular NB + */ + nb_Pcie_Early_Init(); + break; + + case 0x2: /* Gpp1 Port0 */ + case 0x3: /* Gpp1 Port1 */ + mask = ~(1 << port); + val = (dev->enabled ? 0 : 1) << port; + LibNbPciIndexRMW(address | NB_MISC_INDEX, NB_MISC_REG0C, AccessS3SaveWidth32, mask, val, NbConfigPtr); + break; + + case 0x4: /* Gpp3a Port0 */ + case 0x5: /* Gpp3a Port1 */ + case 0x6: /* Gpp3a Port2 */ + case 0x7: /* Gpp3a Port3 */ + mask = ~(1 << port); + val = (dev->enabled ? 0 : 1) << port; + LibNbPciIndexRMW(address | NB_MISC_INDEX, NB_MISC_REG0C, AccessS3SaveWidth32, mask, val, NbConfigPtr); + break; + + case 0x8: /* SB ALink */ + mask = ~(1 << 6); + val = (dev->enabled ? 1 : 0) << 6; + LibNbPciIndexRMW(address | NB_MISC_INDEX, NB_MISC_REG0C, AccessS3SaveWidth32, mask, val, NbConfigPtr); + break; + + case 0x9: /* Gpp3a Port4 */ + case 0xa: /* Gpp3a Port5 */ + mask = ~(1 << (7 + port)); + val = (dev->enabled ? 0 : 1) << (7 + port); + LibNbPciIndexRMW(address | NB_MISC_INDEX, NB_MISC_REG0C, AccessS3SaveWidth32, mask, val, NbConfigPtr); + break; + + case 0xb: /* Gpp2 Port0 */ + case 0xc: /* Gpp2 Port1 */ + mask = ~(1 << (7 + port)); + val = (dev->enabled ? 0 : 1) << (7 + port); + LibNbPciIndexRMW(address | NB_MISC_INDEX, NB_MISC_REG0C, AccessS3SaveWidth32, mask, val, NbConfigPtr); + break; + + case 0xd: /* Gpp3b */ + mask = ~(1 << (7 + port)); + val = (dev->enabled ? 0 : 1) << (7 + port); + LibNbPciIndexRMW(address | NB_MISC_INDEX, NB_MISC_REG0C, AccessS3SaveWidth32, mask, val, NbConfigPtr); + + /* Init NB at Early Post */ + if (gConfig.StandardHeader.CalloutPtr != NULL) { + gConfig.StandardHeader.CalloutPtr(CB_AmdSetEarlyPostConfig, 0, (VOID*)NbConfigPtr); + } + nb_Early_Post_Init();// + if (gConfig.StandardHeader.CalloutPtr != NULL) { + gConfig.StandardHeader.CalloutPtr(CB_AmdSetMidPostConfig, 0, (VOID*)NbConfigPtr); + } + nb_Mid_Post_Init(); + nb_Pcie_Late_Init(); + if (gConfig.StandardHeader.CalloutPtr != NULL) { + gConfig.StandardHeader.CalloutPtr(CB_AmdSetLatePostConfig, 0, (VOID*)NbConfigPtr); + } + nb_Late_Post_Init(); + break; + + default: + printk(BIOS_INFO, "Buggy Device Tree\n"); + break; + } +} + +struct chip_operations northbridge_amd_cimx_rd890_ops = { + CHIP_NAME("ATI rd890") + .enable_dev = rd890_enable, +}; + + +static void ioapic_init(struct device *dev) +{ + u32 ioapic_base; + + pci_write_config32(dev, 0xF8, 0x1); + ioapic_base = pci_read_config32(dev, 0xFC) & 0xfffffff0; + setup_ioapic(ioapic_base, 1); +} + +static void rd890_read_resource(struct device *dev) +{ + pci_dev_read_resources(dev); + + /* rpr6.2.(1). Write the Base Address Register (BAR) */ + pci_write_config32(dev, 0xF8, 0x1); /* set IOAPIC's index as 1 and make sure no one changes it. */ + pci_get_resource(dev, 0xFC); /* APIC located in sr5690 */ + + compact_resources(dev); +} + +/* If IOAPIC's index changes, we should replace the pci_dev_set_resource(). */ +static void rd890_set_resources(struct device *dev) +{ + pci_write_config32(dev, 0xF8, 0x1); /* set IOAPIC's index as 1 and make sure no one changes it. */ + pci_dev_set_resources(dev); +} + +static struct pci_operations lops_pci = { + .set_subsystem = pci_dev_set_subsystem, +}; + +static struct device_operations ht_ops = { + .read_resources = rd890_read_resource, + .set_resources = rd890_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = ioapic_init, + .scan_bus = 0, + .ops_pci = &lops_pci, +}; + +static const struct pci_driver ht_driver_sr5690 __pci_driver = { + .ops = &ht_ops, + .vendor = PCI_VENDOR_ID_ATI, + .device = PCI_DEVICE_ID_AMD_SR5690_HT, +}; + +static const struct pci_driver ht_driver_sr5670 __pci_driver = { + .ops = &ht_ops, + .vendor = PCI_VENDOR_ID_ATI, + .device = PCI_DEVICE_ID_AMD_SR5670_HT, +}; + +static const struct pci_driver ht_driver_sr5650 __pci_driver = { + .ops = &ht_ops, + .vendor = PCI_VENDOR_ID_ATI, + .device = PCI_DEVICE_ID_AMD_SR5650_HT, +}; + +static const struct pci_driver ht_driver_rd890tv __pci_driver = { + .ops = &ht_ops, + .vendor = PCI_VENDOR_ID_ATI, + .device = PCI_DEVICE_ID_AMD_RD890TV_HT, +}; + +static const struct pci_driver ht_driver_rx780 __pci_driver = { + .ops = &ht_ops, + .vendor = PCI_VENDOR_ID_ATI, + .device = PCI_DEVICE_ID_AMD_RX780_HT, +}; + +static const struct pci_driver ht_driver_rd780 __pci_driver = { + .ops = &ht_ops, + .vendor = PCI_VENDOR_ID_ATI, + .device = PCI_DEVICE_ID_AMD_RD780_HT, +}; + +static const struct pci_driver ht_driver_rd890 __pci_driver = { + .ops = &ht_ops, + .vendor = PCI_VENDOR_ID_ATI, + .device = PCI_DEVICE_ID_AMD_RD890_HT, +}; + +static const struct pci_driver ht_driver_990fx __pci_driver = { + .ops = &ht_ops, + .vendor = PCI_VENDOR_ID_ATI, + .device = PCI_DEVICE_ID_AMD_990FX_HT, +}; diff --git a/src/northbridge/amd/cimx/rd890/nb_cimx.h b/src/northbridge/amd/cimx/rd890/nb_cimx.h new file mode 100644 index 0000000..a6f77db --- /dev/null +++ b/src/northbridge/amd/cimx/rd890/nb_cimx.h @@ -0,0 +1,44 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef _NB_CIMX_H_ +#define _NB_CIMX_H_ + +/** + * @brief disable GPP1 Port0,1, GPP2, GPP3a Port0,1,2,3,4,5, GPP3b + * + * SR5650/5670/5690 RD890 chipset, read pci config space hang at POR, + * Disable all Pcie Bridges to work around It. + */ +void sr56x0_rd890_disable_pcie_bridge(void); + +/** + * Northbridge CIMX entries point + */ +void nb_Poweron_Init(void); +void nb_Ht_Init(void); +void nb_S3_Init(void); +void nb_Early_Post_Init(void); +void nb_Mid_Post_Init(void); +void nb_Late_Post_Init(void); +void nb_Pcie_Early_Init(void); +void nb_Pcie_Late_Init(void); + +#endif//_RD890_EARLY_H_ +

1 0

Patch set updated for coreboot: 29dad49 SB700 southbridge: AMD SB700/SP5100 southbridge CIMX wrapper
by Kerry Sheh 03 Feb '12

03 Feb '12

Kerry Sheh (shekairui(a)gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/561 -gerrit commit 29dad490271f35bd0125159c4d5d1786022ae2d4 Author: Kerry Sheh <shekairui(a)gmail.com> Date: Fri Feb 3 12:35:23 2012 +0800 SB700 southbridge: AMD SB700/SP5100 southbridge CIMX wrapper Change-Id: If924b7eb176e7d3d82fa394929b653b1ced3a743 Signed-off-by: Kerry Sheh <kerry.she(a)amd.com> Signed-off-by: Kerry Sheh <shekairui(a)gmail.com> --- src/southbridge/amd/Makefile.inc | 1 + src/southbridge/amd/cimx/Kconfig | 3 +- src/southbridge/amd/cimx/Makefile.inc | 3 +- src/southbridge/amd/cimx/sb700/Amd.h | 363 +++++++++++++++++++++++++++ src/southbridge/amd/cimx/sb700/AmdSbLib.h | 181 +++++++++++++ src/southbridge/amd/cimx/sb700/Kconfig | 63 +++++ src/southbridge/amd/cimx/sb700/Makefile.inc | 31 +++ src/southbridge/amd/cimx/sb700/Platform.h | 87 +++++++ src/southbridge/amd/cimx/sb700/bootblock.c | 97 +++++++ src/southbridge/amd/cimx/sb700/cbtypes.h | 53 ++++ src/southbridge/amd/cimx/sb700/chip.h | 42 +++ src/southbridge/amd/cimx/sb700/chip_name.c | 25 ++ src/southbridge/amd/cimx/sb700/early.c | 75 ++++++ src/southbridge/amd/cimx/sb700/late.c | 329 ++++++++++++++++++++++++ src/southbridge/amd/cimx/sb700/lpc.c | 195 ++++++++++++++ src/southbridge/amd/cimx/sb700/lpc.h | 30 +++ src/southbridge/amd/cimx/sb700/sb_cimx.h | 49 ++++ src/southbridge/amd/cimx/sb700/smbus.c | 270 ++++++++++++++++++++ src/southbridge/amd/cimx/sb700/smbus.h | 82 ++++++ 19 files changed, 1977 insertions(+), 2 deletions(-) diff --git a/src/southbridge/amd/Makefile.inc b/src/southbridge/amd/Makefile.inc index 406a0b3..54245f2 100644 --- a/src/southbridge/amd/Makefile.inc +++ b/src/southbridge/amd/Makefile.inc @@ -12,6 +12,7 @@ subdirs-$(CONFIG_SOUTHBRIDGE_AMD_SP5100) += sb700 subdirs-$(CONFIG_SOUTHBRIDGE_AMD_CS5530) += cs5530 subdirs-$(CONFIG_SOUTHBRIDGE_AMD_CS5535) += cs5535 subdirs-$(CONFIG_SOUTHBRIDGE_AMD_CS5536) += cs5536 +subdirs-$(CONFIG_SOUTHBRIDGE_AMD_CIMX_SB700) += cimx subdirs-$(CONFIG_SOUTHBRIDGE_AMD_CIMX_SB800) += cimx subdirs-$(CONFIG_SOUTHBRIDGE_AMD_CIMX_SB900) += cimx diff --git a/src/southbridge/amd/cimx/Kconfig b/src/southbridge/amd/cimx/Kconfig index 8f12b90..f61b75a 100644 --- a/src/southbridge/amd/cimx/Kconfig +++ b/src/southbridge/amd/cimx/Kconfig @@ -1,7 +1,7 @@ # # This file is part of the coreboot project. # -# Copyright (C) 2011 Advanced Micro Devices, Inc. +# Copyright (C) 2011 - 2012 Advanced Micro Devices, Inc. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -21,5 +21,6 @@ config AMD_SB_CIMX bool default n +source src/southbridge/amd/cimx/sb700/Kconfig source src/southbridge/amd/cimx/sb800/Kconfig source src/southbridge/amd/cimx/sb900/Kconfig diff --git a/src/southbridge/amd/cimx/Makefile.inc b/src/southbridge/amd/cimx/Makefile.inc index 421a11c..80c6378 100644 --- a/src/southbridge/amd/cimx/Makefile.inc +++ b/src/southbridge/amd/cimx/Makefile.inc @@ -1,7 +1,7 @@ # # This file is part of the coreboot project. # -# Copyright (C) 2011 Advanced Micro Devices, Inc. +# Copyright (C) 2011 - 2012 Advanced Micro Devices, Inc. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -16,5 +16,6 @@ # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA # +subdirs-$(CONFIG_SOUTHBRIDGE_AMD_CIMX_SB700) += sb700 subdirs-$(CONFIG_SOUTHBRIDGE_AMD_CIMX_SB800) += sb800 subdirs-$(CONFIG_SOUTHBRIDGE_AMD_CIMX_SB900) += sb900 diff --git a/src/southbridge/amd/cimx/sb700/Amd.h b/src/southbridge/amd/cimx/sb700/Amd.h new file mode 100644 index 0000000..fbd5531 --- /dev/null +++ b/src/southbridge/amd/cimx/sb700/Amd.h @@ -0,0 +1,363 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef _AMD_H_ +#define _AMD_H_ + +// AGESA Types and Definitions +#ifndef NULL +#define NULL 0 +#endif + +#define LAST_ENTRY 0xFFFFFFFF +#define IOCF8 0xCF8 +#define IOCFC 0xCFC +#define IN +#define OUT + +#ifndef Int16FromChar +#define Int16FromChar(a,b) ((a) << 0 | (b) << 8) +#endif +#ifndef Int32FromChar +#define Int32FromChar(a,b,c,d) ((a) << 0 | (b) << 8 | (c) << 16 | (d) << 24) +#endif + +#define IMAGE_SIGNATURE Int32FromChar ('$', 'A', 'M', 'D') + +typedef unsigned int AGESA_STATUS; + +#define AGESA_SUCCESS ((AGESA_STATUS) 0x0) +#define AGESA_ALERT ((AGESA_STATUS) 0x40000000) +#define AGESA_WARNING ((AGESA_STATUS) 0x40000001) +#define AGESA_UNSUPPORTED ((AGESA_STATUS) 0x80000003) +#define AGESA_ERROR ((AGESA_STATUS) 0xC0000001) +#define AGESA_CRITICAL ((AGESA_STATUS) 0xC0000002) +#define AGESA_FATAL ((AGESA_STATUS) 0xC0000003) + +typedef AGESA_STATUS (*CALLOUT_ENTRY) (unsigned int Param1, unsigned int Param2, void* ConfigPtr); +typedef AGESA_STATUS (*IMAGE_ENTRY) (IN OUT void* ConfigPtr); +typedef AGESA_STATUS (*MODULE_ENTRY) (IN OUT void* ConfigPtr); + +///This allocation type is used by the AmdCreateStruct entry point +typedef enum { + PreMemHeap = 0, ///< Create heap in cache. + PostMemDram, ///< Create heap in memory. + ByHost ///< Create heap by Host. +} ALLOCATION_METHOD; + +/// These width descriptors are used by the library function, and others, to specify the data size +typedef enum ACCESS_WIDTH { + AccessWidth8 = 1, ///< Access width is 8 bits. + AccessWidth16, ///< Access width is 16 bits. + AccessWidth32, ///< Access width is 32 bits. + AccessWidth64, ///< Access width is 64 bits. + + AccessS3SaveWidth8 = 0x81, ///< Save 8 bits data. + AccessS3SaveWidth16, ///< Save 16 bits data. + AccessS3SaveWidth32, ///< Save 32 bits data. + AccessS3SaveWidth64, ///< Save 64 bits data. +} ACCESS_WIDTH; + +// AGESA Structures + +/// The standard header for all AGESA services. +typedef struct _AMD_CONFIG_PARAMS { + IN unsigned int ImageBasePtr; ///< The AGESA Image base address. + IN unsigned int Func; ///< The service desired, @sa dispatch.h. + IN unsigned int AltImageBasePtr; ///< Alternate Image location + IN unsigned int PcieBasePtr; ///< PCIe MMIO Base address, if configured. + union { ///< Callback pointer + IN unsigned long long PlaceHolder; ///< Place holder + IN CALLOUT_ENTRY CalloutPtr; ///< For Callout from AGESA + } CALLBACK; + IN OUT unsigned int Reserved[2]; ///< This space is reserved for future use. +} AMD_CONFIG_PARAMS; + + +/// AGESA Binary module header structure +typedef struct _AMD_IMAGE_HEADER { + IN unsigned int Signature; ///< Binary Signature + IN signed char CreatorID[8]; ///< 8 characters ID + IN signed char Version[12]; ///< 12 characters version + IN unsigned int ModuleInfoOffset; ///< Offset of module + IN unsigned int EntryPointAddress; ///< Entry address + IN unsigned int ImageBase; ///< Image base + IN unsigned int RelocTableOffset; ///< Relocate Table offset + IN unsigned int ImageSize; ///< Size + IN unsigned short Checksum; ///< Checksum + IN unsigned char ImageType; ///< Type + IN unsigned char V_Reserved; ///< Reserved +} AMD_IMAGE_HEADER; + +/// AGESA Binary module header structure +typedef struct _AMD_MODULE_HEADER { + IN unsigned int ModuleHeaderSignature; ///< Module signature + IN signed char ModuleIdentifier[8]; ///< 8 characters ID + IN signed char ModuleVersion[12]; ///< 12 characters version + IN MODULE_ENTRY ModuleDispatcherPtr; ///< A pointer point to dispatcher + IN struct _AMD_MODULE_HEADER *NextBlockPtr; ///< Next module header link +} AMD_MODULE_HEADER; + +#define FUNC_0 0 // bit-placed for PCI address creation +#define FUNC_1 1 +#define FUNC_2 2 +#define FUNC_3 3 +#define FUNC_4 4 +#define FUNC_5 5 +#define FUNC_6 6 +#define FUNC_7 7 + +// SBDFO - Segment Bus Device Function Offset +// 31:28 Segment (4-bits) +// 27:20 Bus (8-bits) +// 19:15 Device (5-bits) +// 14:12 Function (3-bits) +// 11:00 Offset (12-bits) + +#if 0 +#define MAKE_SBDFO(Seg, Bus, Dev, Fun, Off) ((((unsigned int) (Seg)) << 28) | (((unsigned int) (Bus)) << 20) | \ + (((unsigned int) (Dev)) << 15) | (((unsigned int) (Fun)) << 12) | ((unsigned int) (Off))) +#endif +#define ILLEGAL_SBDFO 0xFFFFFFFF + +/// CPUID data received registers format +typedef struct _SB_CPUID_DATA { + IN OUT unsigned int EAX_Reg; ///< CPUID instruction result in EAX + IN OUT unsigned int EBX_Reg; ///< CPUID instruction result in EBX + IN OUT unsigned int ECX_Reg; ///< CPUID instruction result in ECX + IN OUT unsigned int EDX_Reg; ///< CPUID instruction result in EDX +} SB_CPUID_DATA; + +#define WARM_RESET 1 +#define COLD_RESET 2 // Cold reset +#define RESET_CPU 4 // Triggers a CPU reset + +/// HT frequency for external callbacks +typedef enum { + HT_FREQUENCY_200M = 0, ///< HT speed 200 for external callbacks + HT_FREQUENCY_400M = 2, ///< HT speed 400 for external callbacks + HT_FREQUENCY_600M = 4, ///< HT speed 600 for external callbacks + HT_FREQUENCY_800M = 5, ///< HT speed 800 for external callbacks + HT_FREQUENCY_1000M = 6, ///< HT speed 1000 for external callbacks + HT_FREQUENCY_1200M = 7, ///< HT speed 1200 for external callbacks + HT_FREQUENCY_1400M = 8, ///< HT speed 1400 for external callbacks + HT_FREQUENCY_1600M = 9, ///< HT speed 1600 for external callbacks + HT_FREQUENCY_1800M = 10, ///< HT speed 1800 for external callbacks + HT_FREQUENCY_2000M = 11, ///< HT speed 2000 for external callbacks + HT_FREQUENCY_2200M = 12, ///< HT speed 2200 for external callbacks + HT_FREQUENCY_2400M = 13, ///< HT speed 2400 for external callbacks + HT_FREQUENCY_2600M = 14, ///< HT speed 2600 for external callbacks + HT_FREQUENCY_2800M = 17, ///< HT speed 2800 for external callbacks + HT_FREQUENCY_3000M = 18, ///< HT speed 3000 for external callbacks + HT_FREQUENCY_3200M = 19 ///< HT speed 3200 for external callbacks +} HT_FREQUENCIES; + +#ifndef BIT0 +#define BIT0 0x0000000000000001ull +#endif +#ifndef BIT1 +#define BIT1 0x0000000000000002ull +#endif +#ifndef BIT2 +#define BIT2 0x0000000000000004ull +#endif +#ifndef BIT3 +#define BIT3 0x0000000000000008ull +#endif +#ifndef BIT4 +#define BIT4 0x0000000000000010ull +#endif +#ifndef BIT5 +#define BIT5 0x0000000000000020ull +#endif +#ifndef BIT6 +#define BIT6 0x0000000000000040ull +#endif +#ifndef BIT7 +#define BIT7 0x0000000000000080ull +#endif +#ifndef BIT8 +#define BIT8 0x0000000000000100ull +#endif +#ifndef BIT9 +#define BIT9 0x0000000000000200ull +#endif +#ifndef BIT10 +#define BIT10 0x0000000000000400ull +#endif +#ifndef BIT11 +#define BIT11 0x0000000000000800ull +#endif +#ifndef BIT12 +#define BIT12 0x0000000000001000ull +#endif +#ifndef BIT13 +#define BIT13 0x0000000000002000ull +#endif +#ifndef BIT14 +#define BIT14 0x0000000000004000ull +#endif +#ifndef BIT15 +#define BIT15 0x0000000000008000ull +#endif +#ifndef BIT16 +#define BIT16 0x0000000000010000ull +#endif +#ifndef BIT17 +#define BIT17 0x0000000000020000ull +#endif +#ifndef BIT18 +#define BIT18 0x0000000000040000ull +#endif +#ifndef BIT19 +#define BIT19 0x0000000000080000ull +#endif +#ifndef BIT20 +#define BIT20 0x0000000000100000ull +#endif +#ifndef BIT21 +#define BIT21 0x0000000000200000ull +#endif +#ifndef BIT22 +#define BIT22 0x0000000000400000ull +#endif +#ifndef BIT23 +#define BIT23 0x0000000000800000ull +#endif +#ifndef BIT24 +#define BIT24 0x0000000001000000ull +#endif +#ifndef BIT25 +#define BIT25 0x0000000002000000ull +#endif +#ifndef BIT26 +#define BIT26 0x0000000004000000ull +#endif +#ifndef BIT27 +#define BIT27 0x0000000008000000ull +#endif +#ifndef BIT28 +#define BIT28 0x0000000010000000ull +#endif +#ifndef BIT29 +#define BIT29 0x0000000020000000ull +#endif +#ifndef BIT30 +#define BIT30 0x0000000040000000ull +#endif +#ifndef BIT31 +#define BIT31 0x0000000080000000ull +#endif +#ifndef BIT32 +#define BIT32 0x0000000100000000ull +#endif +#ifndef BIT33 +#define BIT33 0x0000000200000000ull +#endif +#ifndef BIT34 +#define BIT34 0x0000000400000000ull +#endif +#ifndef BIT35 +#define BIT35 0x0000000800000000ull +#endif +#ifndef BIT36 +#define BIT36 0x0000001000000000ull +#endif +#ifndef BIT37 +#define BIT37 0x0000002000000000ull +#endif +#ifndef BIT38 +#define BIT38 0x0000004000000000ull +#endif +#ifndef BIT39 +#define BIT39 0x0000008000000000ull +#endif +#ifndef BIT40 +#define BIT40 0x0000010000000000ull +#endif +#ifndef BIT41 +#define BIT41 0x0000020000000000ull +#endif +#ifndef BIT42 +#define BIT42 0x0000040000000000ull +#endif +#ifndef BIT43 +#define BIT43 0x0000080000000000ull +#endif +#ifndef BIT44 +#define BIT44 0x0000100000000000ull +#endif +#ifndef BIT45 +#define BIT45 0x0000200000000000ull +#endif +#ifndef BIT46 +#define BIT46 0x0000400000000000ull +#endif +#ifndef BIT47 +#define BIT47 0x0000800000000000ull +#endif +#ifndef BIT48 +#define BIT48 0x0001000000000000ull +#endif +#ifndef BIT49 +#define BIT49 0x0002000000000000ull +#endif +#ifndef BIT50 +#define BIT50 0x0004000000000000ull +#endif +#ifndef BIT51 +#define BIT51 0x0008000000000000ull +#endif +#ifndef BIT52 +#define BIT52 0x0010000000000000ull +#endif +#ifndef BIT53 +#define BIT53 0x0020000000000000ull +#endif +#ifndef BIT54 +#define BIT54 0x0040000000000000ull +#endif +#ifndef BIT55 +#define BIT55 0x0080000000000000ull +#endif +#ifndef BIT56 +#define BIT56 0x0100000000000000ull +#endif +#ifndef BIT57 +#define BIT57 0x0200000000000000ull +#endif +#ifndef BIT58 +#define BIT58 0x0400000000000000ull +#endif +#ifndef BIT59 +#define BIT59 0x0800000000000000ull +#endif +#ifndef BIT60 +#define BIT60 0x1000000000000000ull +#endif +#ifndef BIT61 +#define BIT61 0x2000000000000000ull +#endif +#ifndef BIT62 +#define BIT62 0x4000000000000000ull +#endif +#ifndef BIT63 +#define BIT63 0x8000000000000000ull +#endif +#endif diff --git a/src/southbridge/amd/cimx/sb700/AmdSbLib.h b/src/southbridge/amd/cimx/sb700/AmdSbLib.h new file mode 100644 index 0000000..2812605 --- /dev/null +++ b/src/southbridge/amd/cimx/sb700/AmdSbLib.h @@ -0,0 +1,181 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef _AMD_SB_LIB_H_ +#define _AMD_SB_LIB_H_ + +typedef signed char *va_list; +#ifndef _INTSIZEOF + #define _INTSIZEOF (n) ( (sizeof (n) + sizeof (UINTN) - 1) & ~(sizeof (UINTN) - 1) ) +#endif + +// Also support coding convention rules for var arg macros +#ifndef va_start + #define va_start(ap, v) ( ap = (va_list)&(v) + _INTSIZEOF (v) ) +#endif +#define va_arg(ap, t) ( *(t *) ((ap += _INTSIZEOF (t)) - _INTSIZEOF (t)) ) +#define va_end(ap) ( ap = (va_list)0 ) + + +#pragma pack (push, 1) + +#define IMAGE_ALIGN 32*1024 +#define NUM_IMAGE_LOCATION 32 + +//Entry Point Call +typedef void (*CIM_IMAGE_ENTRY) (void* pConfig); + +//Hook Call + +typedef struct _CIMFILEHEADER +{ + unsigned int AMDLogo; + unsigned long long CreatorID; + unsigned int Version1; + unsigned int Version2; + unsigned int Version3; + unsigned int ModuleInfoOffset; + unsigned int EntryPoint; + unsigned int ImageBase; + unsigned int RelocTableOffset; + unsigned int ImageSize; + unsigned short CheckSum; + unsigned char ImageType; + unsigned char Reserved2; +} CIMFILEHEADER; + +#ifndef BIT0 + #define BIT0 (1 << 0) +#endif +#ifndef BIT1 + #define BIT1 (1 << 1) +#endif +#ifndef BIT2 + #define BIT2 (1 << 2) +#endif +#ifndef BIT3 + #define BIT3 (1 << 3) +#endif +#ifndef BIT4 + #define BIT4 (1 << 4) +#endif +#ifndef BIT5 + #define BIT5 (1 << 5) +#endif +#ifndef BIT6 + #define BIT6 (1 << 6) +#endif +#ifndef BIT7 + #define BIT7 (1 << 7) +#endif +#ifndef BIT8 + #define BIT8 (1 << 8) +#endif +#ifndef BIT9 + #define BIT9 (1 << 9) +#endif +#ifndef BIT10 + #define BIT10 (1 << 10) +#endif +#ifndef BIT11 + #define BIT11 (1 << 11) +#endif +#ifndef BIT12 + #define BIT12 (1 << 12) +#endif +#ifndef BIT13 + #define BIT13 (1 << 13) +#endif +#ifndef BIT14 + #define BIT14 (1 << 14) +#endif +#ifndef BIT15 + #define BIT15 (1 << 15) +#endif +#ifndef BIT16 + #define BIT16 (1 << 16) +#endif +#ifndef BIT17 + #define BIT17 (1 << 17) +#endif +#ifndef BIT18 + #define BIT18 (1 << 18) +#endif +#ifndef BIT19 + #define BIT19 (1 << 19) +#endif +#ifndef BIT20 + #define BIT20 (1 << 20) +#endif +#ifndef BIT21 + #define BIT21 (1 << 21) +#endif +#ifndef BIT22 + #define BIT22 (1 << 22) +#endif +#ifndef BIT23 + #define BIT23 (1 << 23) +#endif +#ifndef BIT24 + #define BIT24 (1 << 24) +#endif +#ifndef BIT25 + #define BIT25 (1 << 25) +#endif +#ifndef BIT26 + #define BIT26 (1 << 26) +#endif +#ifndef BIT27 + #define BIT27 (1 << 27) +#endif +#ifndef BIT28 + #define BIT28 (1 << 28) +#endif +#ifndef BIT29 + #define BIT29 (1 << 29) +#endif +#ifndef BIT30 + #define BIT30 (1 << 30) +#endif +#ifndef BIT31 + #define BIT31 (1 << 31) +#endif + +#pragma pack (pop) + +typedef enum +{ + AccWidthUint8 = 0, + AccWidthUint16, + AccWidthUint32, +} ACC_WIDTH; + +#define S3_SAVE 0x80 + +/** + * AmdSbDispatcher - Dispatch Southbridge function + * + * + * + * @param[in] pConfig Southbridge configuration structure pointer. + * + */ +AGESA_STATUS AmdSbDispatcher (IN void *pConfig); + +#endif diff --git a/src/southbridge/amd/cimx/sb700/Kconfig b/src/southbridge/amd/cimx/sb700/Kconfig new file mode 100644 index 0000000..27338fc --- /dev/null +++ b/src/southbridge/amd/cimx/sb700/Kconfig @@ -0,0 +1,63 @@ +## +## This file is part of the coreboot project. +## +## Copyright (C) 2012 Advanced Micro Devices, Inc. +## +## This program is free software; you can redistribute it and/or modify +## it under the terms of the GNU General Public License as published by +## the Free Software Foundation; version 2 of the License. +## +## This program is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +## GNU General Public License for more details. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +## + +config SOUTHBRIDGE_AMD_CIMX_SB700 + bool + select IOAPIC + select AMD_SB_CIMX + +if SOUTHBRIDGE_AMD_CIMX_SB700 +config SATA_CONTROLLER_MODE + hex + default 0x0 + help + 0x0 = Native IDE mode. + 0x1 = RAID mode. + 0x2 = AHCI mode. + 0x3 = Legacy IDE mode. + 0x4 = IDE->AHCI mode. + 0x5 = AHCI mode as 7804 ID (AMD driver). + 0x6 = IDE->AHCI mode as 7804 ID (AMD driver). + +config PCIB_ENABLE + bool + default n + help + n = Disable PCI Bridge Device 14 Function 4. + y = Enable PCI Bridge Device 14 Function 4. + +config ACPI_SCI_IRQ + hex + default 0x9 + help + Set SCI IRQ to 9. +config BOOTBLOCK_SOUTHBRIDGE_INIT + string + default "southbridge/amd/cimx/sb700/bootblock.c" + +config REDIRECT_SBCIMX_TRACE_TO_SERIAL + bool "Redirect AMD Southbridge CIMX Trace to serial console" + default n + help + This Option allows you to redirect the AMD Southbridge CIMX Trace + debug information to the serial console. + + Warning: Only enable this option when debuging or tracing AMD CIMX code. +endif #SOUTHBRIDGE_AMD_CIMX_SB700 + diff --git a/src/southbridge/amd/cimx/sb700/Makefile.inc b/src/southbridge/amd/cimx/sb700/Makefile.inc new file mode 100644 index 0000000..7929cf7 --- /dev/null +++ b/src/southbridge/amd/cimx/sb700/Makefile.inc @@ -0,0 +1,31 @@ +# +# This file is part of the coreboot project. +# +# Copyright (C) 2012 Advanced Micro Devices, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +# + + +# SB700 Platform Files + +romstage-y += early.c +romstage-y += smbus.c + +ramstage-y += late.c + +driver-y += smbus.c +driver-y += lpc.c + + diff --git a/src/southbridge/amd/cimx/sb700/Platform.h b/src/southbridge/amd/cimx/sb700/Platform.h new file mode 100644 index 0000000..15e5b07 --- /dev/null +++ b/src/southbridge/amd/cimx/sb700/Platform.h @@ -0,0 +1,87 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef _AMD_SB_CIMx_PLATFORM_H_ +#define _AMD_SB_CIMx_PLATFORM_H_ + +#pragma pack(push,1) + +#include "cbtypes.h" +#include <console/console.h> +#include <console/loglevel.h> +#ifdef NULL +#undef NULL +#endif +#define NULL 0 + +typedef struct _EXT_PCI_ADDR{ + UINT32 Reg :16; + UINT32 Func:3; + UINT32 Dev :5; + UINT32 Bus :8; +}EXT_PCI_ADDR; + + +typedef union _PCI_ADDR{ + UINT32 ADDR; + EXT_PCI_ADDR Addr; +}PCI_ADDR; + + +#ifdef CIM_DEBUG + +#if CIM_DEBUG & 2 +void TraceDebug( UINT32 Level, CHAR8 *Format, ...); +#define TRACE(Arguments) TraceDebug Arguments +#else +#define TRACE(Arguments) +#endif + +#if CIM_DEBUG & 1 +void TraceCode ( UINT32 Level, UINT32 Code); +#define TRACECODE(Arguments) TraceCode Arguments +#else +#define TRACECODE(Arguments) +#endif +#else + #if CONFIG_REDIRECT_SBCIMX_TRACE_TO_SERIAL + #define TRACE(Arguments) printk Arguments + #else + #define TRACE(Arguments) do {} while(0) + #endif + #define TRACECODE(Arguments) +#endif + +#define FIXUP_PTR(ptr) ptr + +#pragma pack(pop) + +#include "OEM.h" +#include "Amd.h" +#include "ACPILIB.h" +#include "SBTYPE.h" +#include "sbAMDLIB.h" +#include "SBCMNLIB.h" +#include "SB700.h" +#include "SBDEF.h" + +#define DMSG_SB_TRACE 0x02 + +#endif //#ifndef _AMD_SB_CIMx_PLATFORM_H_ + diff --git a/src/southbridge/amd/cimx/sb700/bootblock.c b/src/southbridge/amd/cimx/sb700/bootblock.c new file mode 100644 index 0000000..401c039 --- /dev/null +++ b/src/southbridge/amd/cimx/sb700/bootblock.c @@ -0,0 +1,97 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + + +#include <arch/io.h> +#include <arch/romcc_io.h> + + +#if CONFIG_CONSOLE_POST == 1 + +/* Data */ +#define UART_RBR 0x00 +#define UART_TBR 0x00 + +/* Control */ +#define UART_IER 0x01 +#define UART_IIR 0x02 +#define UART_FCR 0x02 +#define UART_LCR 0x03 +#define UART_MCR 0x04 +#define UART_DLL 0x00 +#define UART_DLM 0x01 + +/* Status */ +#define UART_LSR 0x05 +#define UART_MSR 0x06 +#define UART_SCR 0x07 + +#ifndef CONFIG_TTYS0_DIV +#if ((115200%CONFIG_TTYS0_BAUD) != 0) +#error Bad ttys0 baud rate +#endif +#define CONFIG_TTYS0_DIV (115200/CONFIG_TTYS0_BAUD) +#endif // CONFIG_TTYS0_DIV + +#define UART_LCS CONFIG_TTYS0_LCS + +#endif // CONFIG_CONSOLE_POST == 1 + + +static void sb700_enable_rom(void) +{ + u32 word; + u32 dword; + device_t dev; + + dev = PCI_DEV(0, 0x14, 0x03); + /* SB700 LPC Bridge 0:20:3:44h. + * BIT6: Port Enable for serial port 0x3f8-0x3ff + * BIT29: Port Enable for KBC port 0x60 and 0x64 + * BIT30: Port Enable for ACPI Micro-Controller port 0x66 and 0x62 + */ + dword = pci_io_read_config32(dev, 0x44); + //dword |= (1<<6) | (1<<29) | (1<<30) ; + /*Turn on all of LPC IO Port decode enable */ + dword = 0xffffffff; + pci_io_write_config32(dev, 0x44, dword); + + /* SB700 LPC Bridge 0:20:3:48h. + * BIT0: Port Enable for SuperIO 0x2E-0x2F + * BIT1: Port Enable for SuperIO 0x4E-0x4F + * BIT4: Port Enable for LPC ROM Address Arrage2 (0x68-0x6C) + * BIT6: Port Enable for RTC IO 0x70-0x73 + * BIT21: Port Enable for Port 0x80 + */ + dword = pci_io_read_config32(dev, 0x48); + dword |= (1<<0) | (1<<1) | (1<<4) | (1<<6) | (1<<21) ; + pci_io_write_config32(dev, 0x48, dword); + + /* Enable 4MB rom access at 0xFFE00000 - 0xFFFFFFFF */ + /* Set the 4MB enable bits */ + word = pci_io_read_config16(dev, 0x6c); + word = 0xFFC0; + pci_io_write_config16(dev, 0x6c, word); +} + +static void bootblock_southbridge_init(void) +{ + /* Setup the rom access for 2M */ + sb700_enable_rom(); +} diff --git a/src/southbridge/amd/cimx/sb700/cbtypes.h b/src/southbridge/amd/cimx/sb700/cbtypes.h new file mode 100644 index 0000000..d37e1e3 --- /dev/null +++ b/src/southbridge/amd/cimx/sb700/cbtypes.h @@ -0,0 +1,53 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef _CBTYPES_H_ +#define _CBTYPES_H_ + +//#include <stdint.h> + +typedef signed long long __int64; +typedef void VOID; +typedef unsigned int UINTN; +typedef signed char CHAR8; +typedef unsigned char UINT8; +typedef unsigned short UINT16; +typedef unsigned int UINT32; +typedef unsigned long long UINT64; + +#ifndef TRUE +#define TRUE 1 +#endif +#ifndef FALSE +#define FALSE 0 +#endif +typedef unsigned char BOOLEAN; + +#ifndef VOLATILE +#define VOLATILE volatile +#endif + +#ifndef IN +#define IN +#endif +#ifndef OUT +#define OUT +#endif + +#endif diff --git a/src/southbridge/amd/cimx/sb700/chip.h b/src/southbridge/amd/cimx/sb700/chip.h new file mode 100644 index 0000000..ef294f4 --- /dev/null +++ b/src/southbridge/amd/cimx/sb700/chip.h @@ -0,0 +1,42 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef _CIMX_SB700_CHIP_H_ +#define _CIMX_SB700_CHIP_H_ + +extern struct chip_operations southbridge_amd_cimx_sb700_ops; + +/* + * configuration set in mainboard/devicetree.cb + * boot_switch_sata_ide: + * 0 -set SATA as primary, PATA(IDE) as secondary. + * 1 -set PATA(IDE) as primary, SATA as secondary. if you want to boot from IDE, + * gpp_configuration - The configuration of General Purpose Port A/B/C/D + * 0(GPP_CFGMODE_X4000) -PortA Lanes[3:0] + * 2(GPP_CFGMODE_X2200) -PortA Lanes[1:0], PortB Lanes[3:2] + * 3(GPP_CFGMODE_X2110) -PortA Lanes[1:0], PortB Lane2, PortC Lane3 + * 4(GPP_CFGMODE_X1111) -PortA Lanes0, PortB Lane1, PortC Lane2, PortD Lane3 + */ +struct southbridge_amd_cimx_sb700_config +{ + u32 boot_switch_sata_ide : 1; + u8 gpp_configuration; +}; + +#endif /* _CIMX_SB700_CHIP_H_ */ diff --git a/src/southbridge/amd/cimx/sb700/chip_name.c b/src/southbridge/amd/cimx/sb700/chip_name.c new file mode 100644 index 0000000..13d2276 --- /dev/null +++ b/src/southbridge/amd/cimx/sb700/chip_name.c @@ -0,0 +1,25 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <device/device.h> +#include "chip.h" + +struct chip_operations southbridge_amd_cimx_sb700_ops = { + CHIP_NAME("AMD South Bridge SB700") +}; diff --git a/src/southbridge/amd/cimx/sb700/early.c b/src/southbridge/amd/cimx/sb700/early.c new file mode 100644 index 0000000..bc3d944 --- /dev/null +++ b/src/southbridge/amd/cimx/sb700/early.c @@ -0,0 +1,75 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + + +//#include <config.h> +#include <stdint.h> +#include <device/pci_ids.h> +#include <arch/io.h> /* inl, outl */ +#include <arch/romcc_io.h> /* device_t */ +#include "Platform.h" +#include "sb_cimx.h" +#include "sb700_cfg.h" /*sb700_cimx_config*/ +#include <console/console.h> +#include <console/loglevel.h> +#include "smbus.h" + + +#if CONFIG_RAMINIT_SYSINFO == 1 +/** + * @brief Get SouthBridge device number + * @param[in] bus target bus number + * @return southbridge device number + */ +u32 get_sbdn(u32 bus) +{ + device_t dev; + + printk(BIOS_DEBUG, "SB700 - Early.c - get_sbdn - Start.\n"); + //dev = PCI_DEV(bus, 0x14, 0); + dev = pci_locate_device_on_bus( + PCI_ID(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_SB700_SM), + bus); + + printk(BIOS_DEBUG, "SB700 - Early.c - get_sbdn - End.\n"); + return (dev >> 15) & 0x1f; +} +#endif + +/** + * @brief Enable A-Link Express Configuration DMA Access. + */ + +/** + * @brief South Bridge CIMx romstage entry, + * wrapper of sbPowerOnInit entry point. + */ +void sb_Poweron_Init(void) +{ + AMDSBCFG sb_early_cfg; + + printk(BIOS_DEBUG, "cimx/sb700 early.c, %s() Start:\n", __func__); + /* Enable A-Link Base Address */ + //sb_enable_alink (); + + sb700_cimx_config(&sb_early_cfg); + sbPowerOnInit(&sb_early_cfg); + printk(BIOS_DEBUG, "cimx/sb700 early.c, %s() End\n", __func__); +} + diff --git a/src/southbridge/amd/cimx/sb700/late.c b/src/southbridge/amd/cimx/sb700/late.c new file mode 100644 index 0000000..8d13cd8 --- /dev/null +++ b/src/southbridge/amd/cimx/sb700/late.c @@ -0,0 +1,329 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + + +#include <device/device.h> /* device_t */ +#include <device/pci.h> /* device_operations */ +#include <device/pci_ids.h> +#include <arch/ioapic.h> +#include <device/smbus.h> /* smbus_bus_operations */ +#include <console/console.h> /* printk */ +#include "lpc.h" /* lpc_read_resources */ +#include "Platform.h" /* Platfrom Specific Definitions */ +#include "sb_cimx.h" +#include "sb700_cfg.h" /* sb700 Cimx configuration */ +#include "chip.h" /* struct southbridge_amd_cimx_sb700_config */ + + +/*implement in mainboard.c*/ +void set_pcie_reset(void); +void set_pcie_dereset(void); + +static AMDSBCFG sb_late_cfg; //global, init in sb700_cimx_config +static AMDSBCFG *sb_config = &sb_late_cfg; + + +/** + * @brief Entry point of Southbridge CIMx callout + * + * prototype UINT32 (*SBCIM_HOOK_ENTRY)(UINT32 Param1, UINT32 Param2, void* pConfig) + * + * @param[in] func Southbridge CIMx Function ID. + * @param[in] data Southbridge Input Data. + * @param[in] sb_config Southbridge configuration structure pointer. + * + */ +u32 sb700_callout_entry(u32 func, u32 data, void* config) +{ + u32 ret = 0; + + printk(BIOS_DEBUG, "SB700 - Late.c - sb700_callout_entry - Start.\n"); + printk(BIOS_DEBUG, "SB700 - Late.c - sb700_callout_entry - End.\n"); + return ret; +} + + +static struct pci_operations lops_pci = { + .set_subsystem = pci_dev_set_subsystem, +}; + +static void lpc_enable_resources(device_t dev) +{ + + printk(BIOS_DEBUG, "SB700 - Late.c - lpc_enable_resources - Start.\n"); + pci_dev_enable_resources(dev); + lpc_enable_childrens_resources(dev); + printk(BIOS_DEBUG, "SB700 - Late.c - lpc_enable_resources - End.\n"); +} + +static struct device_operations lpc_ops = { + .read_resources = lpc_read_resources, + .set_resources = lpc_set_resources, + .enable_resources = lpc_enable_resources, + .init = 0, + .scan_bus = scan_static_bus, + .ops_pci = &lops_pci, +}; + +static const struct pci_driver lpc_driver __pci_driver = { + .ops = &lpc_ops, + .vendor = PCI_VENDOR_ID_ATI, + .device = PCI_DEVICE_ID_ATI_SB700_LPC, +}; + + +static struct device_operations sata_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = 0, + .scan_bus = 0, + .ops_pci = &lops_pci, +}; + +static const struct pci_driver sata_driver __pci_driver = { + .ops = &sata_ops, + .vendor = PCI_VENDOR_ID_ATI, + .device = PCI_DEVICE_ID_ATI_SB700_SATA, //SATA IDE Mode 4390 +}; + +#if CONFIG_USBDEBUG +static void usb_set_resources(struct device *dev) +{ + struct resource *res; + u32 base; + u32 old_debug; + + printk(BIOS_DEBUG, "SB700 - Late.c - usb_set_resources - Start.\n"); + old_debug = get_ehci_debug(); + set_ehci_debug(0); + + pci_dev_set_resources(dev); + + res = find_resource(dev, 0x10); + set_ehci_debug(old_debug); + if (!res) + return; + base = res->base; + set_ehci_base(base); + report_resource_stored(dev, res, ""); + printk(BIOS_DEBUG, "SB700 - Late.c - usb_set_resources - End.\n"); +} +#endif + + +static struct device_operations usb_ops = { + .read_resources = pci_dev_read_resources, +#if CONFIG_USBDEBUG + .set_resources = usb_set_resources, +#else + .set_resources = pci_dev_set_resources, +#endif + .enable_resources = pci_dev_enable_resources, + .init = 0, + .scan_bus = 0, + .ops_pci = &lops_pci, +}; + +/* + * The pci id of usb ctrl 0 and 1 are the same. + */ +static const struct pci_driver usb_ohci123_driver __pci_driver = { + .ops = &usb_ops, + .vendor = PCI_VENDOR_ID_ATI, + .device = PCI_DEVICE_ID_ATI_SB700_USB_18_0, /* OHCI-USB1, OHCI-USB2, OHCI-USB3 */ +}; + +static const struct pci_driver usb_ohci3_driver __pci_driver = { + .ops = &usb_ops, + .vendor = PCI_VENDOR_ID_ATI, + .device = PCI_DEVICE_ID_ATI_SB700_USB_18_1, +}; + +static const struct pci_driver usb_ehci123_driver __pci_driver = { + .ops = &usb_ops, + .vendor = PCI_VENDOR_ID_ATI, + .device = PCI_DEVICE_ID_ATI_SB700_USB_18_2, /* EHCI-USB1, EHCI-USB2, EHCI-USB3 */ +}; + +static const struct pci_driver usb_ohci4_driver __pci_driver = { + .ops = &usb_ops, + .vendor = PCI_VENDOR_ID_ATI, + .device = PCI_DEVICE_ID_ATI_SB700_USB_20_5, /* OHCI-USB4 */ +}; + +static struct device_operations azalia_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = 0, + .scan_bus = 0, + .ops_pci = &lops_pci, +}; + +static const struct pci_driver azalia_driver __pci_driver = { + .ops = &azalia_ops, + .vendor = PCI_VENDOR_ID_ATI, + .device = PCI_DEVICE_ID_ATI_SB700_HDA, +}; + +#ifdef UNUSED_CODE +static struct device_operations gec_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = 0, + .scan_bus = 0, + .ops_pci = &lops_pci, +}; +#endif + +static struct device_operations pci_ops = { + .read_resources = pci_bus_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_bus_enable_resources, + .init = 0, + .scan_bus = pci_scan_bridge, + .reset_bus = pci_bus_reset, + .ops_pci = &lops_pci, +}; + +static const struct pci_driver pci_driver __pci_driver = { + .ops = &pci_ops, + .vendor = PCI_VENDOR_ID_ATI, + .device = PCI_DEVICE_ID_ATI_SB700_PCI, +}; + + +static void sb700_enable(device_t dev) +{ + struct southbridge_amd_cimx_sb700_config *sb_chip = + (struct southbridge_amd_cimx_sb700_config *)(dev->chip_info); + + printk(BIOS_DEBUG, "sb700_enable() "); + switch (dev->path.pci.devfn) { + case (0x11 << 3) | 0: /* 0:11.0 SATA */ + sb700_cimx_config(sb_config); + if (dev->enabled) { + sb_config->SataController = CIMX_OPTION_ENABLED; + if (1 == sb_chip->boot_switch_sata_ide) + sb_config->SataIdeCombMdPriSecOpt = 0; //0 -IDE as primary. + else if (0 == sb_chip->boot_switch_sata_ide) + sb_config->SataIdeCombMdPriSecOpt = 1; //1 -IDE as secondary. + } else { + sb_config->SataController = CIMX_OPTION_DISABLED; + } + break; + + case (0x12 << 3) | 0: /* 0:12:0 OHCI-USB1 */ + case (0x12 << 3) | 2: /* 0:12:2 EHCI-USB1 */ + case (0x13 << 3) | 0: /* 0:13:0 OHCI-USB2 */ + case (0x13 << 3) | 2: /* 0:13:2 EHCI-USB2 */ + break; + + case (0x14 << 3) | 0: /* 0:14:0 SMBUS */ + { +#if 1 + u32 ioapic_base; + printk(BIOS_DEBUG, "sm_init().\n"); + ioapic_base = IO_APIC_ADDR; + clear_ioapic(ioapic_base); + /* I/O APIC IDs are normally limited to 4-bits. Enforce this limit. */ +#if (CONFIG_APIC_ID_OFFSET == 0 && CONFIG_MAX_CPUS * CONFIG_MAX_PHYSICAL_CPUS >= 1) + /* Assign the ioapic ID the next available number after the processor core local APIC IDs */ + setup_ioapic(ioapic_base, CONFIG_MAX_CPUS * CONFIG_MAX_PHYSICAL_CPUS); +#elif (CONFIG_APIC_ID_OFFSET > 0) + /* Assign the ioapic ID the value 0. Processor APIC IDs follow. */ + setup_ioapic(ioapic_base, 0); +#else +#error "The processor APIC IDs must be lifted to make room for the I/O APIC ID" +#endif +#endif + } + break; + + case (0x14 << 3) | 1: /* 0:14:1 IDE */ + break; + + case (0x14 << 3) | 2: /* 0:14:2 HDA */ + if (dev->enabled) { + if (AZALIA_DISABLE == sb_config->AzaliaController) { + sb_config->AzaliaController = AZALIA_AUTO; + } + printk(BIOS_DEBUG, "hda enabled\n"); + } else { + sb_config->AzaliaController = AZALIA_DISABLE; + printk(BIOS_DEBUG, "hda disabled\n"); + } + break; + + + case (0x14 << 3) | 3: /* 0:14:3 LPC */ + break; + + case (0x14 << 3) | 4: /* 0:14:4 PCI */ + break; + + case (0x14 << 3) | 5: /* 0:14:5 OHCI-USB4 */ + /* call CIMX entry after last device enable */ + sb_Before_Pci_Init(); + break; + + default: + break; + } +} + +struct chip_operations southbridge_amd_cimx_sb700_ops = { + CHIP_NAME("ATI SB700") + .enable_dev = sb700_enable, +}; + +/** + * @brief SB Cimx entry point sbBeforePciInit wrapper + */ +void sb_Before_Pci_Init(void) +{ + printk(BIOS_DEBUG, "sb700 %s Start\n", __func__); + /* TODO: The sb700 cimx dispatcher not work yet, calling cimx API directly */ + //sb_config->StdHeader.Func = SB_BEFORE_PCI_INIT; + //AmdSbDispatcher(sb_config); + sbBeforePciInit(sb_config); + printk(BIOS_DEBUG, "sb700 %s End\n", __func__); +} + +void sb_After_Pci_Init(void) +{ + printk(BIOS_DEBUG, "sb700 %s Start\n", __func__); + /* TODO: The sb700 cimx dispatcher not work yet, calling cimx API directly */ + //sb_config->StdHeader.Func = SB_AFTER_PCI_INIT; + //AmdSbDispatcher(sb_config); + sbAfterPciInit(sb_config); + printk(BIOS_DEBUG, "sb700 %s End\n", __func__); +} + +void sb_Late_Post(void) +{ + printk(BIOS_DEBUG, "sb700 %s Start\n", __func__); + /* TODO: The sb700 cimx dispatcher not work yet, calling cimx API directly */ + //sb_config->StdHeader.Func = SB_LATE_POST_INIT; + //AmdSbDispatcher(sb_config); + sbLatePost(sb_config); + printk(BIOS_DEBUG, "sb700 %s End\n", __func__); +} diff --git a/src/southbridge/amd/cimx/sb700/lpc.c b/src/southbridge/amd/cimx/sb700/lpc.c new file mode 100644 index 0000000..5d551cc --- /dev/null +++ b/src/southbridge/amd/cimx/sb700/lpc.c @@ -0,0 +1,195 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <device/pci.h> +#include "lpc.h" +#include <bitops.h> +#include <arch/io.h> +#include <console/console.h> /* printk */ +#include <cbmem.h> + +#define BIOSRAM_INDEX 0xcd4 +#define BIOSRAM_DATA 0xcd5 + +void set_cbmem_toc(struct cbmem_entry *toc) +{ + u32 dword = (u32) toc; + int nvram_pos = 0xfc, i; + for (i = 0; i<4; i++) { + outb(nvram_pos, BIOSRAM_INDEX); + outb((dword >>(8 * i)) & 0xff , BIOSRAM_DATA); + nvram_pos++; + } +} + +void lpc_read_resources(device_t dev) +{ + struct resource *res; + + printk(BIOS_DEBUG, "SB700 - Lpc.c - lpc_read_resources - Start.\n"); + /* Get the normal pci resources of this device */ + pci_dev_read_resources(dev); /* We got one for APIC, or one more for TRAP */ + + pci_get_resource(dev, SPIROM_BASE_ADDRESS); /* SPI ROM base address */ + + /* Add an extra subtractive resource for both memory and I/O. */ + res = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0)); + res->base = 0; + res->size = 0x1000; + res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | + IORESOURCE_ASSIGNED | IORESOURCE_FIXED; + + res = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0)); + res->base = 0xff800000; + res->size = 0x00800000; /* 8 MB for flash */ + res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | + IORESOURCE_ASSIGNED | IORESOURCE_FIXED; + + res = new_resource(dev, 3); /* IOAPIC */ + res->base = 0xfec00000; + res->size = 0x00001000; + res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED; + + compact_resources(dev); + printk(BIOS_DEBUG, "SB700 - Lpc.c - lpc_read_resources - End.\n"); +} + +void lpc_set_resources(struct device *dev) +{ + struct resource *res; + + printk(BIOS_DEBUG, "SB700 - Lpc.c - lpc_set_resources - Start.\n"); + pci_dev_set_resources(dev); + + /* Specical case. SPI Base Address. The SpiRomEnable should be set. */ + res = find_resource(dev, SPIROM_BASE_ADDRESS); + pci_write_config32(dev, SPIROM_BASE_ADDRESS, res->base | 1 << 1); + printk(BIOS_DEBUG, "SB700 - Lpc.c - lpc_set_resources - End.\n"); +} + +/** + * @brief Enable resources for children devices + * + * @param dev the device whos children's resources are to be enabled + * + */ +void lpc_enable_childrens_resources(device_t dev) +{ + struct bus *link; + u32 reg, reg_x; + int var_num = 0; + u16 reg_var[3]; + + printk(BIOS_DEBUG, "SB700 - Lpc.c - lpc_enable_childrens_resources - Start.\n"); + reg = pci_read_config32(dev, 0x44); + reg_x = pci_read_config32(dev, 0x48); + + for (link = dev->link_list; link; link = link->next) { + device_t child; + for (child = link->children; child; + child = child->sibling) { + if (child->enabled + && (child->path.type == DEVICE_PATH_PNP)) { + struct resource *res; + for (res = child->resource_list; res; res = res->next) { + u32 base, end; /* don't need long long */ + if (!(res->flags & IORESOURCE_IO)) + continue; + base = res->base; + end = resource_end(res); +/* + printk(BIOS_DEBUG, "sb700 lpc decode:%s, base=0x%08x, end=0x%08x\n", + dev_path(child), base, end); +*/ + switch (base) { + case 0x60: /* KB */ + case 0x64: /* MS */ + reg |= (1 << 29); + break; + case 0x3f8: /* COM1 */ + reg |= (1 << 6); + break; + case 0x2f8: /* COM2 */ + reg |= (1 << 7); + break; + case 0x378: /* Parallal 1 */ + reg |= (1 << 0); + break; + case 0x3f0: /* FD0 */ + reg |= (1 << 26); + break; + case 0x220: /* Aduio 0 */ + reg |= (1 << 8); + break; + case 0x300: /* Midi 0 */ + reg |= (1 << 18); + break; + case 0x400: + reg_x |= (1 << 16); + break; + case 0x480: + reg_x |= (1 << 17); + break; + case 0x500: + reg_x |= (1 << 18); + break; + case 0x580: + reg_x |= (1 << 19); + break; + case 0x4700: + reg_x |= (1 << 22); + break; + case 0xfd60: + reg_x |= (1 << 23); + break; + default: + if (var_num >= 3) + continue; /* only 3 var ; compact them ? */ + switch (var_num) { + case 0: + reg_x |= (1 << 2); + break; + case 1: + reg_x |= (1 << 24); + break; + case 2: + reg_x |= (1 << 25); + break; + } + reg_var[var_num++] = + base & 0xffff; + } + } + } + } + } + pci_write_config32(dev, 0x44, reg); + pci_write_config32(dev, 0x48, reg_x); + /* Set WideIO for as many IOs found (fall through is on purpose) */ + switch (var_num) { + case 2: + pci_write_config16(dev, 0x90, reg_var[2]); + case 1: + pci_write_config16(dev, 0x66, reg_var[1]); + case 0: + //pci_write_config16(dev, 0x64, reg_var[0]); //cause filo can not find sata + break; + } + printk(BIOS_DEBUG, "SB700 - Lpc.c - lpc_enable_childrens_resources - End.\n"); +} diff --git a/src/southbridge/amd/cimx/sb700/lpc.h b/src/southbridge/amd/cimx/sb700/lpc.h new file mode 100644 index 0000000..edb13f8 --- /dev/null +++ b/src/southbridge/amd/cimx/sb700/lpc.h @@ -0,0 +1,30 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef _SB700_LPC_H_ +#define _SB700_LPC_H_ + + +#define SPIROM_BASE_ADDRESS 0xA0 /* SPI ROM base address */ + +void lpc_read_resources(device_t dev); +void lpc_set_resources(device_t dev); +void lpc_enable_childrens_resources(device_t dev); + +#endif diff --git a/src/southbridge/amd/cimx/sb700/sb_cimx.h b/src/southbridge/amd/cimx/sb700/sb_cimx.h new file mode 100644 index 0000000..84fe4d0 --- /dev/null +++ b/src/southbridge/amd/cimx/sb700/sb_cimx.h @@ -0,0 +1,49 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + + +#ifndef _CIMX_H_ +#define _CIMX_H_ + +#define PM_INDEX 0xcd6 +#define PM_DATA 0xcd7 + +#define REV_SB700_A11 0x11 +#define REV_SB700_A12 0x12 + + +/** + * AMD South Bridge CIMx entry point wrapper + */ +void sb_Poweron_Init(void); +void sb_Before_Pci_Init(void); +void sb_After_Pci_Init(void); +void sb_Mid_Post_Init(void); +void sb_Late_Post(void); + + +#if CONFIG_RAMINIT_SYSINFO == 1 +/** + * @brief Get SouthBridge device number, called by finalize_node_setup() + * @param[in] bus target bus number + * @return southbridge device number + */ +u32 get_sbdn(u32 bus); +#endif +#endif diff --git a/src/southbridge/amd/cimx/sb700/smbus.c b/src/southbridge/amd/cimx/sb700/smbus.c new file mode 100644 index 0000000..58dd012 --- /dev/null +++ b/src/southbridge/amd/cimx/sb700/smbus.c @@ -0,0 +1,270 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + + +#include <arch/io.h> +#include "smbus.h" +#include <console/console.h> /* printk */ + +static inline void smbus_delay(void) +{ + outb(inb(0x80), 0x80); +} + +static int smbus_wait_until_ready(u32 smbus_io_base) +{ + u32 loops; + + loops = SMBUS_TIMEOUT; + do { + u8 val; + val = inb(smbus_io_base + SMBHSTSTAT); + val &= 0x1f; + if (val == 0) { /* ready now */ + return 0; + } + outb(val, smbus_io_base + SMBHSTSTAT); + } while (--loops); + + return -2; /* time out */ +} + +static int smbus_wait_until_done(u32 smbus_io_base) +{ + u32 loops; + + loops = SMBUS_TIMEOUT; + do { + u8 val; + + val = inb(smbus_io_base + SMBHSTSTAT); + val &= 0x1f; /* mask off reserved bits */ + if (val & 0x1c) { + return -5; /* error */ + } + if (val == 0x02) { + outb(val, smbus_io_base + SMBHSTSTAT); /* clear status */ + return 0; + } + } while (--loops); + + return -3; /* timeout */ +} + +int do_smbus_recv_byte(u32 smbus_io_base, u32 device) +{ + u8 byte; + + if (smbus_wait_until_ready(smbus_io_base) < 0) { + printk(BIOS_SPEW, "SB700 - Smbus.c - do_smbus_recv_byte - smbus no ready.\n"); + return -2; /* not ready */ + } + + printk(BIOS_SPEW, "SB700 - Smbus.c - do_smbus_recv_byte - Start.\n"); + /* set the device I'm talking too */ + outb(((device & 0x7f) << 1) | 1, smbus_io_base + SMBHSTADDR); + + byte = inb(smbus_io_base + SMBHSTCTRL); + byte &= 0xe3; /* Clear [4:2] */ + byte |= (1 << 2) | (1 << 6); /* Byte data read/write command, start the command */ + outb(byte, smbus_io_base + SMBHSTCTRL); + + /* poll for transaction completion */ + if (smbus_wait_until_done(smbus_io_base) < 0) { + return -3; /* timeout or error */ + } + + /* read results of transaction */ + byte = inb(smbus_io_base + SMBHSTCMD); + + printk(BIOS_SPEW, "SB700 - Smbus.c - do_smbus_recv_byte - End.\n"); + return byte; +} + +int do_smbus_send_byte(u32 smbus_io_base, u32 device, u8 val) +{ + u8 byte; + + if (smbus_wait_until_ready(smbus_io_base) < 0) { + printk(BIOS_SPEW, "SB700 - Smbus.c - do_smbus_send_byte - smbus no ready.\n"); + return -2; /* not ready */ + } + + printk(BIOS_SPEW, "SB700 - Smbus.c - do_smbus_send_byte - Start.\n"); + /* set the command... */ + outb(val, smbus_io_base + SMBHSTCMD); + + /* set the device I'm talking too */ + outb(((device & 0x7f) << 1) | 0, smbus_io_base + SMBHSTADDR); + + byte = inb(smbus_io_base + SMBHSTCTRL); + byte &= 0xe3; /* Clear [4:2] */ + byte |= (1 << 2) | (1 << 6); /* Byte data read/write command, start the command */ + outb(byte, smbus_io_base + SMBHSTCTRL); + + /* poll for transaction completion */ + if (smbus_wait_until_done(smbus_io_base) < 0) { + return -3; /* timeout or error */ + } + + printk(BIOS_SPEW, "SB700 - Smbus.c - do_smbus_send_byte - End.\n"); + return 0; +} + +int do_smbus_read_byte(u32 smbus_io_base, u32 device, u32 address) +{ + u8 byte; + + if (smbus_wait_until_ready(smbus_io_base) < 0) { + printk(BIOS_SPEW, "SB700 - Smbus.c - do_smbus_read_byte - smbus no ready.\n"); + return -2; /* not ready */ + } + + printk(BIOS_SPEW, "SB700 - Smbus.c - do_smbus_read_byte - Start.\n"); + /* set the command/address... */ + outb(address & 0xff, smbus_io_base + SMBHSTCMD); + + /* set the device I'm talking too */ + outb(((device & 0x7f) << 1) | 1, smbus_io_base + SMBHSTADDR); + + byte = inb(smbus_io_base + SMBHSTCTRL); + byte &= 0xe3; /* Clear [4:2] */ + byte |= (1 << 3) | (1 << 6); /* Byte data read/write command, start the command */ + outb(byte, smbus_io_base + SMBHSTCTRL); + + /* poll for transaction completion */ + if (smbus_wait_until_done(smbus_io_base) < 0) { + return -3; /* timeout or error */ + } + + /* read results of transaction */ + byte = inb(smbus_io_base + SMBHSTDAT0); + + printk(BIOS_SPEW, "SB700 - Smbus.c - do_smbus_read_byte - End.\n"); + return byte; +} + +int do_smbus_write_byte(u32 smbus_io_base, u32 device, u32 address, u8 val) +{ + u8 byte; + + if (smbus_wait_until_ready(smbus_io_base) < 0) { + printk(BIOS_SPEW, "SB700 - Smbus.c - do_smbus_write_byte - smbus no ready.\n"); + return -2; /* not ready */ + } + + printk(BIOS_SPEW, "SB700 - Smbus.c - do_smbus_write_byte - Start.\n"); + /* set the command/address... */ + outb(address & 0xff, smbus_io_base + SMBHSTCMD); + + /* set the device I'm talking too */ + outb(((device & 0x7f) << 1) | 0, smbus_io_base + SMBHSTADDR); + + /* output value */ + outb(val, smbus_io_base + SMBHSTDAT0); + + byte = inb(smbus_io_base + SMBHSTCTRL); + byte &= 0xe3; /* Clear [4:2] */ + byte |= (1 << 3) | (1 << 6); /* Byte data read/write command, start the command */ + outb(byte, smbus_io_base + SMBHSTCTRL); + + /* poll for transaction completion */ + if (smbus_wait_until_done(smbus_io_base) < 0) { + return -3; /* timeout or error */ + } + + printk(BIOS_SPEW, "SB700 - Smbus.c - do_smbus_write_byte - End.\n"); + return 0; +} + +void alink_ab_indx(u32 reg_space, u32 reg_addr, u32 mask, u32 val) +{ + u32 tmp; + + printk(BIOS_SPEW, "SB700 - Smbus.c - alink_ab_indx - Start.\n"); + outl((reg_space & 0x7) << 29 | reg_addr, AB_INDX); + tmp = inl(AB_DATA); + /* rpr 4.2 + * For certain revisions of the chip, the ABCFG registers, + * with an address of 0x100NN (where 'N' is any hexadecimal + * number), require an extra programming step.*/ + outl(0, AB_INDX); + + tmp &= ~mask; + tmp |= val; + + /* printk(BIOS_DEBUG, "about write %x, index=%x", tmp, (reg_space&0x3)<<29 | reg_addr); */ + outl((reg_space & 0x7) << 29 | reg_addr, AB_INDX); /* probably we dont have to do it again. */ + outl(tmp, AB_DATA); + outl(0, AB_INDX); + printk(BIOS_SPEW, "SB700 - Smbus.c - alink_ab_indx - End.\n"); +} + +void alink_rc_indx(u32 reg_space, u32 reg_addr, u32 port, u32 mask, u32 val) +{ + u32 tmp; + + printk(BIOS_SPEW, "SB700 - Smbus.c - alink_rc_indx - Start.\n"); + outl((reg_space & 0x7) << 29 | (port & 3) << 24 | reg_addr, AB_INDX); + tmp = inl(AB_DATA); + /* rpr 4.2 + * For certain revisions of the chip, the ABCFG registers, + * with an address of 0x100NN (where 'N' is any hexadecimal + * number), require an extra programming step.*/ + outl(0, AB_INDX); + + tmp &= ~mask; + tmp |= val; + + //printk(BIOS_DEBUG, "about write %x, index=%x", tmp, (reg_space&0x3)<<29 | (port&3) << 24 | reg_addr); + outl((reg_space & 0x7) << 29 | (port & 3) << 24 | reg_addr, AB_INDX); /* probably we dont have to do it again. */ + outl(tmp, AB_DATA); + outl(0, AB_INDX); + printk(BIOS_SPEW, "SB700 - Smbus.c - alink_rc_indx - End.\n"); +} + +/* space = 0: AX_INDXC, AX_DATAC + * space = 1: AX_INDXP, AX_DATAP + */ +void alink_ax_indx(u32 space /*c or p? */ , u32 axindc, u32 mask, u32 val) +{ + u32 tmp; + + printk(BIOS_SPEW, "SB700 - Smbus.c - alink_ax_indx - Start.\n"); + /* read axindc to tmp */ + outl(space << 29 | space << 3 | 0x30, AB_INDX); + outl(axindc, AB_DATA); + outl(0, AB_INDX); + outl(space << 29 | space << 3 | 0x34, AB_INDX); + tmp = inl(AB_DATA); + outl(0, AB_INDX); + + tmp &= ~mask; + tmp |= val; + + /* write tmp */ + outl(space << 29 | space << 3 | 0x30, AB_INDX); + outl(axindc, AB_DATA); + outl(0, AB_INDX); + outl(space << 29 | space << 3 | 0x34, AB_INDX); + outl(tmp, AB_DATA); + outl(0, AB_INDX); + printk(BIOS_SPEW, "SB700 - Smbus.c - alink_ax_indx - End.\n"); +} + diff --git a/src/southbridge/amd/cimx/sb700/smbus.h b/src/southbridge/amd/cimx/sb700/smbus.h new file mode 100644 index 0000000..10e0874 --- /dev/null +++ b/src/southbridge/amd/cimx/sb700/smbus.h @@ -0,0 +1,82 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef _SB700_SMBUS_H_ +#define _SB700_SMBUS_H_ + +//#include <stdint.h> +#include <Platform.h> /* SMBUS0_BASE_ADDRESS */ +#ifndef SMBUS0_BASE_ADDRESS +#error SMBUS0_BASE_ADDRESS not define +#endif +#define SMBUS_IO_BASE SMBUS0_BASE_ADDRESS + +#define SMBHSTSTAT 0x0 +#define SMBSLVSTAT 0x1 +#define SMBHSTCTRL 0x2 +#define SMBHSTCMD 0x3 +#define SMBHSTADDR 0x4 +#define SMBHSTDAT0 0x5 +#define SMBHSTDAT1 0x6 +#define SMBHSTBLKDAT 0x7 + +#define SMBSLVCTRL 0x8 +#define SMBSLVCMD_SHADOW 0x9 +#define SMBSLVEVT 0xa +#define SMBSLVDAT 0xc + +/*//SB00.H +#define AX_INDXC 0 +#define AX_INDXP 2 +#define AXCFG 4 +#define ABCFG 6 +#define RC_INDXC 1 +#define RC_INDXP 3 +*/ + +#define AB_INDX 0xCD8 +#define AB_DATA (AB_INDX+4) + +/* Between 1-10 seconds, We should never timeout normally + * Longer than this is just painful when a timeout condition occurs. + */ +#define SMBUS_TIMEOUT (100*1000*10) + +#define abcfg_reg(reg, mask, val) \ + alink_ab_indx((ABCFG), (reg), (mask), (val)) +#define axcfg_reg(reg, mask, val) \ + alink_ab_indx((AXCFG), (reg), (mask), (val)) +#define axindxc_reg(reg, mask, val) \ + alink_ax_indx((AX_INDXC), (reg), (mask), (val)) +#define axindxp_reg(reg, mask, val) \ + alink_ax_indx((AX_INDXP), (reg), (mask), (val)) +#define rcindxc_reg(reg, port, mask, val) \ + alink_rc_indx((RC_INDXC), (reg), (port), (mask), (val)) +#define rcindxp_reg(reg, port, mask, val) \ + alink_rc_indx((RC_INDXP), (reg), (port), (mask), (val)) + +int do_smbus_read_byte(u32 smbus_io_base, u32 device, u32 address); +int do_smbus_write_byte(u32 smbus_io_base, u32 device, u32 address, u8 val); +int do_smbus_recv_byte(u32 smbus_io_base, u32 device); +int do_smbus_send_byte(u32 smbus_io_base, u32 device, u8 val); +void alink_rc_indx(u32 reg_space, u32 reg_addr, u32 port, u32 mask, u32 val); +void alink_ab_indx(u32 reg_space, u32 reg_addr, u32 mask, u32 val); +void alink_ax_indx(u32 space /*c or p? */ , u32 axindc, u32 mask, u32 val); + +#endif //_SB700_SMBUS_H_

1 0

Patch set updated for coreboot: bdc19e0 SIO: Add smsc/sch4037 superio support
by Kerry Sheh 03 Feb '12

03 Feb '12

Kerry Sheh (shekairui(a)gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/562 -gerrit commit bdc19e069ea81915c87a8b584f70fcfb409c076b Author: Kerry Sheh <shekairui(a)gmail.com> Date: Fri Feb 3 19:12:43 2012 +0800 SIO: Add smsc/sch4037 superio support Change-Id: I3b113a27541b8efd096f3bd44e6621344ec916a5 Signed-off-by: Kerry Sheh <kerry.she(a)amd.com> Signed-off-by: Kerry Sheh <shekairui(a)gmail.com> --- src/superio/smsc/Kconfig | 3 + src/superio/smsc/Makefile.inc | 2 + src/superio/smsc/sch4037/Makefile.inc | 20 ++++ src/superio/smsc/sch4037/chip.h | 34 +++++++ src/superio/smsc/sch4037/sch4037.h | 34 +++++++ src/superio/smsc/sch4037/sch4037_early_init.c | 69 ++++++++++++++ src/superio/smsc/sch4037/superio.c | 123 +++++++++++++++++++++++++ 7 files changed, 285 insertions(+), 0 deletions(-) diff --git a/src/superio/smsc/Kconfig b/src/superio/smsc/Kconfig index 7378d18..ddd5b96 100644 --- a/src/superio/smsc/Kconfig +++ b/src/superio/smsc/Kconfig @@ -2,6 +2,7 @@ ## This file is part of the coreboot project. ## ## Copyright (C) 2009 Ronald G. Minnich +## Copyright (C) 2012 Advanced Micro Devices, Inc. ## ## This program is free software; you can redistribute it and/or modify ## it under the terms of the GNU General Public License as published by @@ -39,3 +40,5 @@ config SUPERIO_SMSC_KBC1100 bool config SUPERIO_SMSC_SMSCSUPERIO bool +config SUPERIO_SMSC_SCH4037 + bool diff --git a/src/superio/smsc/Makefile.inc b/src/superio/smsc/Makefile.inc index 68d4d56..bfdc68e 100644 --- a/src/superio/smsc/Makefile.inc +++ b/src/superio/smsc/Makefile.inc @@ -2,6 +2,7 @@ ## This file is part of the coreboot project. ## ## Copyright (C) 2009 Ronald G. Minnich +## Copyright (C) 2012 Advanced Micro Devices, Inc. ## ## This program is free software; you can redistribute it and/or modify ## it under the terms of the GNU General Public License as published by @@ -28,3 +29,4 @@ subdirs-y += lpc47n227 subdirs-y += sio10n268 subdirs-y += kbc1100 subdirs-y += smscsuperio +subdirs-y += sch4037 diff --git a/src/superio/smsc/sch4037/Makefile.inc b/src/superio/smsc/sch4037/Makefile.inc new file mode 100644 index 0000000..8f36f2a --- /dev/null +++ b/src/superio/smsc/sch4037/Makefile.inc @@ -0,0 +1,20 @@ +# +# This file is part of the coreboot project. +# +# Copyright (C) 2012 Advanced Micro Devices, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +# + +ramstage-$(CONFIG_SUPERIO_SMSC_SCH4037) += superio.c diff --git a/src/superio/smsc/sch4037/chip.h b/src/superio/smsc/sch4037/chip.h new file mode 100644 index 0000000..3223750 --- /dev/null +++ b/src/superio/smsc/sch4037/chip.h @@ -0,0 +1,34 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef SUPERIO_SCH_4037_CHIP_H +#define SUPERIO_SCH_4037_CHIP_H + +#include <pc80/keyboard.h> +#include <uart8250.h> + +struct chip_operations; +extern struct chip_operations superio_smsc_sch4037_ops; + +struct superio_smsc_sch4037_config { + + struct pc_keyboard keyboard; +}; + +#endif //SUPERIO_SCH_4037_CHIP_H \ No newline at end of file diff --git a/src/superio/smsc/sch4037/sch4037.h b/src/superio/smsc/sch4037/sch4037.h new file mode 100644 index 0000000..8dff3b8 --- /dev/null +++ b/src/superio/smsc/sch4037/sch4037.h @@ -0,0 +1,34 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef SUPERIO_SCH_4037_H +#define SUPERIO_SCH_4037_H + + +#define SCH4037_FDD 0 /* FDD */ +#define SCH4037_LPT 3 /* LPT */ +#define SMSCSUPERIO_SP1 4 /* Com1 */ +#define SMSCSUPERIO_SP2 5 /* Com2 */ +#define SCH4037_RTC 6 /* RTC */ +#define SCH4037_KBC 7 /* KBC */ +#define SCH4037_HWM 8 /* HWM */ +#define SCH4037_RUNTIME 0x0A /* Runtime */ +#define SCH4037_XBUS 0x0B /* X-BUS */ + +#endif //SUPERIO_SCH_4037_H diff --git a/src/superio/smsc/sch4037/sch4037_early_init.c b/src/superio/smsc/sch4037/sch4037_early_init.c new file mode 100644 index 0000000..9c74062 --- /dev/null +++ b/src/superio/smsc/sch4037/sch4037_early_init.c @@ -0,0 +1,69 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + + +#include <arch/romcc_io.h> +#include "sch4037.h" + +static inline void pnp_enter_conf_state(device_t dev) +{ + unsigned port = dev>>8; + outb(0x55, port); +} + +static void pnp_exit_conf_state(device_t dev) +{ + unsigned port = dev>>8; + outb(0xaa, port); +} + +static inline void sch4037_early_init(unsigned port) +{ + device_t dev; + + dev = PNP_DEV(port, SMSCSUPERIO_SP1); + pnp_enter_conf_state(dev); + + /* Auto power management */ + pnp_write_config(dev, 0x22, 0x38); /* BIT3+BIT4+BIT5 */ + pnp_write_config(dev, 0x23, 0 ); + + /* Enable SMSC UART 0 */ + dev = PNP_DEV(port, SMSCSUPERIO_SP1); + pnp_set_logical_device(dev); + pnp_set_enable(dev, 0); + + pnp_set_iobase(dev, PNP_IDX_IO0, CONFIG_TTYS0_BASE); + pnp_set_irq(dev, PNP_IDX_IRQ0, 0x4); + + /* Enabled High speed, disabled MIDI support. */ + pnp_write_config(dev, 0xF0, 0x02); + pnp_set_enable(dev, 1); + + /* Enable keyboard */ + dev = PNP_DEV(port, SCH4037_KBC); + pnp_set_logical_device(dev); + pnp_set_enable(dev, 0); + pnp_set_irq(dev, 0x70, 1); /* IRQ 1 */ + pnp_set_irq(dev, 0x72, 12); /* IRQ 12 */ + pnp_set_enable(dev, 1); + + pnp_exit_conf_state(dev); +} + diff --git a/src/superio/smsc/sch4037/superio.c b/src/superio/smsc/sch4037/superio.c new file mode 100644 index 0000000..af4040f --- /dev/null +++ b/src/superio/smsc/sch4037/superio.c @@ -0,0 +1,123 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/* RAM driver for the SMSC KBC1100 Super I/O chip */ + +#include <arch/io.h> +#include <device/device.h> +#include <device/pnp.h> +#include <console/console.h> +#include <device/smbus.h> +#include <string.h> +#include <bitops.h> +#include <uart8250.h> +#include <pc80/keyboard.h> +#include <stdlib.h> +#include "chip.h" +#include "sch4037.h" + +/* Forward declarations */ +static void enable_dev(device_t dev); +static void sch4037_pnp_set_resources(device_t dev); +static void sch4037_pnp_enable_resources(device_t dev); +static void sch4037_pnp_enable(device_t dev); +static void sch4037_init(device_t dev); + +static void pnp_enter_conf_state(device_t dev); +static void pnp_exit_conf_state(device_t dev); + +struct chip_operations superio_smsc_sch4037_ops = { + CHIP_NAME("SMSC SCH4037 Super I/O") + .enable_dev = enable_dev, +}; + +static struct device_operations ops = { + .read_resources = pnp_read_resources, + .set_resources = sch4037_pnp_set_resources, + .enable_resources = sch4037_pnp_enable_resources, + .enable = sch4037_pnp_enable, + .init = sch4037_init, +}; + +static struct pnp_info pnp_dev_info[] = { + { &ops, SCH4037_KBC, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, { 0x7ff, 0 }, { 0x7ff, 0x4}, }, +}; + +static void enable_dev(device_t dev) +{ + printk(BIOS_EMERG, "file '%s',line %d, %s()\n", __FILE__, __LINE__, __func__); + pnp_enable_devices(dev, &pnp_ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info); +} + +static void sch4037_pnp_set_resources(device_t dev) +{ + pnp_enter_conf_state(dev); + pnp_set_resources(dev); + pnp_exit_conf_state(dev); +} + +static void sch4037_pnp_enable_resources(device_t dev) +{ + pnp_enter_conf_state(dev); + pnp_enable_resources(dev); + pnp_exit_conf_state(dev); +} + +static void sch4037_pnp_enable(device_t dev) +{ + pnp_enter_conf_state(dev); + pnp_set_logical_device(dev); + + if(dev->enabled) { + pnp_set_enable(dev, 1); + } + else { + pnp_set_enable(dev, 0); + } + pnp_exit_conf_state(dev); +} + +static void sch4037_init(device_t dev) +{ + struct superio_smsc_sch4037_config *conf = dev->chip_info; + struct resource *res0, *res1; + + if (!dev->enabled) { + return; + } + + switch(dev->path.pnp.device) { + + case SCH4037_KBC: + res0 = find_resource(dev, PNP_IDX_IO0); + res1 = find_resource(dev, PNP_IDX_IO1); + pc_keyboard_init(&conf->keyboard); + break; + } +} + +static void pnp_enter_conf_state(device_t dev) +{ + outb(0x55, dev->path.pnp.port); +} + +static void pnp_exit_conf_state(device_t dev) +{ + outb(0xaa, dev->path.pnp.port); +}

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coreboot February 2012