Vladimir Serbinenko (phcoder@gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/7202
-gerrit
commit e2b4f263d74e371e6063bfe08b6771d9e8e8a51d Author: Vladimir Serbinenko phcoder@gmail.com Date: Sun Oct 26 20:42:08 2014 +0100
ACPI: slic support
Export SLIC table from file in CBFS.
Change-Id: Id0e7fe0a49b9cd50b5e43cd15030e1c2098728ec Signed-off-by: Vladimir Serbinenko phcoder@gmail.com --- src/Kconfig | 4 --- src/arch/x86/boot/acpi.c | 61 +++++++++++++++++++++++------------ src/arch/x86/boot/tables.c | 6 ++-- src/arch/x86/include/arch/acpi.h | 8 ----- src/mainboard/getac/p470/Kconfig | 1 - src/mainboard/getac/p470/Makefile.inc | 1 - src/mainboard/getac/p470/acpi_slic.c | 37 --------------------- 7 files changed, 43 insertions(+), 75 deletions(-)
diff --git a/src/Kconfig b/src/Kconfig index dea1f45..5cfb06f 100644 --- a/src/Kconfig +++ b/src/Kconfig @@ -406,10 +406,6 @@ config HAVE_ACPI_RESUME bool default n
-config HAVE_ACPI_SLIC - bool - default n - config HAVE_HARD_RESET bool default n diff --git a/src/arch/x86/boot/acpi.c b/src/arch/x86/boot/acpi.c index 07b67d0..bc2a0cc 100644 --- a/src/arch/x86/boot/acpi.c +++ b/src/arch/x86/boot/acpi.c @@ -33,6 +33,7 @@ #include <cbmem.h> #include <cpu/x86/lapic_def.h> #include <cpu/cpu.h> +#include <cbfs.h> #if CONFIG_COLLECT_TIMESTAMPS #include <timestamp.h> #endif @@ -485,14 +486,14 @@ void acpi_create_facs(acpi_facs_t *facs) facs->version = 1; /* ACPI 1.0: 0, ACPI 2.0/3.0: 1, ACPI 4.0: 2 */ }
-void acpi_write_rsdt(acpi_rsdt_t *rsdt) +static void acpi_write_rsdt(acpi_rsdt_t *rsdt, char *oem_id, char *oem_table_id) { acpi_header_t *header = &(rsdt->header);
/* Fill out header fields. */ memcpy(header->signature, "RSDT", 4); - memcpy(header->oem_id, OEM_ID, 6); - memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); + memcpy(header->oem_id, oem_id, 6); + memcpy(header->oem_table_id, oem_table_id, 8); memcpy(header->asl_compiler_id, ASLC, 4);
header->length = sizeof(acpi_rsdt_t); @@ -504,14 +505,14 @@ void acpi_write_rsdt(acpi_rsdt_t *rsdt) header->checksum = acpi_checksum((void *)rsdt, sizeof(acpi_rsdt_t)); }
-void acpi_write_xsdt(acpi_xsdt_t *xsdt) +static void acpi_write_xsdt(acpi_xsdt_t *xsdt, char *oem_id, char *oem_table_id) { acpi_header_t *header = &(xsdt->header);
/* Fill out header fields. */ memcpy(header->signature, "XSDT", 4); - memcpy(header->oem_id, OEM_ID, 6); - memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); + memcpy(header->oem_id, oem_id, 6); + memcpy(header->oem_table_id, oem_table_id, 8); memcpy(header->asl_compiler_id, ASLC, 4);
header->length = sizeof(acpi_xsdt_t); @@ -523,12 +524,13 @@ void acpi_write_xsdt(acpi_xsdt_t *xsdt) header->checksum = acpi_checksum((void *)xsdt, sizeof(acpi_xsdt_t)); }
-void acpi_write_rsdp(acpi_rsdp_t *rsdp, acpi_rsdt_t *rsdt, acpi_xsdt_t *xsdt) +static void acpi_write_rsdp(acpi_rsdp_t *rsdp, acpi_rsdt_t *rsdt, + acpi_xsdt_t *xsdt, char *oem_id) { memset(rsdp, 0, sizeof(acpi_rsdp_t));
memcpy(rsdp->signature, RSDP_SIG, 8); - memcpy(rsdp->oem_id, OEM_ID, 6); + memcpy(rsdp->oem_id, oem_id, 6);
rsdp->length = sizeof(acpi_rsdp_t); rsdp->rsdt_address = (u32)rsdt; @@ -686,15 +688,15 @@ unsigned long write_acpi_tables(unsigned long start) acpi_xsdt_t *xsdt; acpi_fadt_t *fadt; acpi_facs_t *facs; -#if CONFIG_HAVE_ACPI_SLIC - acpi_header_t *slic; -#endif + acpi_header_t *slic_file, *slic; acpi_header_t *ssdt; acpi_header_t *dsdt; acpi_mcfg_t *mcfg; acpi_madt_t *madt; struct device *dev; unsigned long fw; + size_t slic_size; + char oem_id[6], oem_table_id[8];
current = start;
@@ -705,6 +707,22 @@ unsigned long write_acpi_tables(unsigned long start) if (fw) return fw;
+ slic_file = cbfs_get_file_content(CBFS_DEFAULT_MEDIA, + CONFIG_CBFS_PREFIX "/slic", + CBFS_TYPE_RAW, &slic_size); + if (slic_file && (slic_file->length > slic_size + || slic_file->length < sizeof (acpi_header_t))) { + slic_file = 0; + } + + if (slic_file) { + memcpy(oem_id, slic_file->oem_id, 6); + memcpy(oem_table_id, slic_file->oem_table_id, 8); + } else { + memcpy(oem_id, OEM_ID, 6); + memcpy(oem_table_id, ACPI_TABLE_CREATOR, 8); + } + printk(BIOS_INFO, "ACPI: Writing ACPI tables at %lx.\n", start);
/* We need at least an RSDP and an RSDT Table */ @@ -721,9 +739,9 @@ unsigned long write_acpi_tables(unsigned long start) /* clear all table memory */ memset((void *) start, 0, current - start);
- acpi_write_rsdp(rsdp, rsdt, xsdt); - acpi_write_rsdt(rsdt); - acpi_write_xsdt(xsdt); + acpi_write_rsdp(rsdp, rsdt, xsdt, oem_id); + acpi_write_rsdt(rsdt, oem_id, oem_table_id); + acpi_write_xsdt(xsdt, oem_id, oem_table_id);
printk(BIOS_DEBUG, "ACPI: * FACS\n"); facs = (acpi_facs_t *) current; @@ -764,13 +782,14 @@ unsigned long write_acpi_tables(unsigned long start) acpi_create_fadt(fadt, facs, dsdt); acpi_add_table(rsdp, fadt);
-#if CONFIG_HAVE_ACPI_SLIC - printk(BIOS_DEBUG, "ACPI: * SLIC\n"); - slic = (acpi_header_t *)current; - current += acpi_create_slic(current); - ALIGN_CURRENT; - acpi_add_table(rsdp, slic); -#endif + if (slic_file) { + printk(BIOS_DEBUG, "ACPI: * SLIC\n"); + slic = (acpi_header_t *)current; + memcpy(slic, slic_file, slic_file->length); + current += slic_file->length; + ALIGN_CURRENT; + acpi_add_table(rsdp, slic); + }
printk(BIOS_DEBUG, "ACPI: * SSDT\n"); ssdt = (acpi_header_t *)current; diff --git a/src/arch/x86/boot/tables.c b/src/arch/x86/boot/tables.c index ca98faa..3d64563 100644 --- a/src/arch/x86/boot/tables.c +++ b/src/arch/x86/boot/tables.c @@ -147,9 +147,9 @@ void write_tables(void) acpi_rsdp_t *low_rsdp = (acpi_rsdp_t *)rom_table_end, *high_rsdp = (acpi_rsdp_t *)acpi_start;
- acpi_write_rsdp(low_rsdp, - (acpi_rsdt_t *)(high_rsdp->rsdt_address), - (acpi_xsdt_t *)((unsigned long)high_rsdp->xsdt_address)); + /* Technically rsdp length varies but coreboot always + writes longest size available. */ + memcpy(low_rsdp, high_rsdp, sizeof(acpi_rsdp_t)); } else { printk(BIOS_ERR, "ERROR: Didn't find RSDP in high table.\n"); } diff --git a/src/arch/x86/include/arch/acpi.h b/src/arch/x86/include/arch/acpi.h index 60d5a02..eab125c 100644 --- a/src/arch/x86/include/arch/acpi.h +++ b/src/arch/x86/include/arch/acpi.h @@ -547,14 +547,6 @@ void acpi_dmar_drhd_fixup(unsigned long base, unsigned long current); unsigned long acpi_create_dmar_drhd_ds_pci(unsigned long current, u8 segment, u8 dev, u8 fn);
-#if CONFIG_HAVE_ACPI_SLIC -unsigned long acpi_create_slic(unsigned long current); -#endif - -void acpi_write_rsdt(acpi_rsdt_t *rsdt); -void acpi_write_xsdt(acpi_xsdt_t *xsdt); -void acpi_write_rsdp(acpi_rsdp_t *rsdp, acpi_rsdt_t *rsdt, acpi_xsdt_t *xsdt); - void acpi_write_hest(acpi_hest_t *hest); unsigned long acpi_create_hest_error_source(acpi_hest_t *hest, acpi_hest_esd_t *esd, u16 type, void *data, u16 len); unsigned long acpi_fill_hest(acpi_hest_t *hest); diff --git a/src/mainboard/getac/p470/Kconfig b/src/mainboard/getac/p470/Kconfig index 6edd72c..3fdc67c 100644 --- a/src/mainboard/getac/p470/Kconfig +++ b/src/mainboard/getac/p470/Kconfig @@ -35,7 +35,6 @@ config BOARD_SPECIFIC_OPTIONS # dummy select HAVE_MP_TABLE select HAVE_OPTION_TABLE select HAVE_ACPI_RESUME - select HAVE_ACPI_SLIC select UDELAY_LAPIC select BOARD_ROMSIZE_KB_1024 select CHANNEL_XOR_RANDOMIZATION diff --git a/src/mainboard/getac/p470/Makefile.inc b/src/mainboard/getac/p470/Makefile.inc index ac0b170..7eef1da 100644 --- a/src/mainboard/getac/p470/Makefile.inc +++ b/src/mainboard/getac/p470/Makefile.inc @@ -17,4 +17,3 @@ ## Foundation, Inc. ##
-ramstage-$(CONFIG_HAVE_ACPI_SLIC) += acpi_slic.c diff --git a/src/mainboard/getac/p470/acpi_slic.c b/src/mainboard/getac/p470/acpi_slic.c deleted file mode 100644 index b13a0a2..0000000 --- a/src/mainboard/getac/p470/acpi_slic.c +++ /dev/null @@ -1,37 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2009 coresystems GmbH - * - * 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. - */ - -#include <string.h> -#include <device/pci.h> -#include <arch/acpi.h> - -static const char slic[0x4] = { - 0x53, 0x4c, 0x49, 0x43 /* incomplete. */ - /* If you wish to compile coreboot images with a windows license key - * built in, you need to extract the ACPI SLIC from your machine and - * add it here. - */ -}; - -unsigned long acpi_create_slic(unsigned long current) -{ - memcpy((void *) current, slic, sizeof(slic)); - return sizeof(slic); -}