Rudolf Marek (r.marek@assembler.cz) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/807
-gerrit
commit a8fdb3bed14a89b05940130bb6369664ab1cfcaf Author: Rudolf Marek r.marek@assembler.cz Date: Sun Mar 25 18:14:02 2012 +0200
Add the support for RDC R8610 Northbridge
So far the it just setups the internal resource management for coreboot and detects the memory size.
Change-Id: I8506390fa6656abfa40d92b8f6ede9b91fe98680 Signed-off-by: Rudolf Marek r.marek@assembler.cz --- src/northbridge/Kconfig | 1 + src/northbridge/Makefile.inc | 1 + src/northbridge/rdc/Kconfig | 1 + src/northbridge/rdc/Makefile.inc | 2 + src/northbridge/rdc/r8610/Kconfig | 2 + src/northbridge/rdc/r8610/Makefile.inc | 21 +++++ src/northbridge/rdc/r8610/chip.h | 24 ++++++ src/northbridge/rdc/r8610/northbridge.c | 135 +++++++++++++++++++++++++++++++ 8 files changed, 187 insertions(+), 0 deletions(-)
diff --git a/src/northbridge/Kconfig b/src/northbridge/Kconfig index eeedc89..b2b8abe 100644 --- a/src/northbridge/Kconfig +++ b/src/northbridge/Kconfig @@ -1,3 +1,4 @@ source src/northbridge/amd/Kconfig source src/northbridge/intel/Kconfig +source src/northbridge/rdc/Kconfig source src/northbridge/via/Kconfig diff --git a/src/northbridge/Makefile.inc b/src/northbridge/Makefile.inc index 57273cf..283ba4e 100644 --- a/src/northbridge/Makefile.inc +++ b/src/northbridge/Makefile.inc @@ -1,3 +1,4 @@ subdirs-y += amd subdirs-y += intel +subdirs-y += rdc subdirs-y += via diff --git a/src/northbridge/rdc/Kconfig b/src/northbridge/rdc/Kconfig new file mode 100644 index 0000000..73ac740 --- /dev/null +++ b/src/northbridge/rdc/Kconfig @@ -0,0 +1 @@ +source src/northbridge/rdc/r8610/Kconfig diff --git a/src/northbridge/rdc/Makefile.inc b/src/northbridge/rdc/Makefile.inc new file mode 100644 index 0000000..766fea2 --- /dev/null +++ b/src/northbridge/rdc/Makefile.inc @@ -0,0 +1,2 @@ +subdirs-$(CONFIG_NORTHBRIDGE_RDC_R8610) += r8610 + diff --git a/src/northbridge/rdc/r8610/Kconfig b/src/northbridge/rdc/r8610/Kconfig new file mode 100644 index 0000000..85461b7 --- /dev/null +++ b/src/northbridge/rdc/r8610/Kconfig @@ -0,0 +1,2 @@ +config NORTHBRIDGE_RDC_R8610 + bool diff --git a/src/northbridge/rdc/r8610/Makefile.inc b/src/northbridge/rdc/r8610/Makefile.inc new file mode 100644 index 0000000..c976967 --- /dev/null +++ b/src/northbridge/rdc/r8610/Makefile.inc @@ -0,0 +1,21 @@ +## +## This file is part of the coreboot project. +## +## Copyright (C) 2007 Corey Osgood corey.osgood@gmail.com +## +## 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; either version 2 of the License, or +## (at your option) any later version. +## +## 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/rdc/r8610/chip.h b/src/northbridge/rdc/r8610/chip.h new file mode 100644 index 0000000..01c8356 --- /dev/null +++ b/src/northbridge/rdc/r8610/chip.h @@ -0,0 +1,24 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007 Corey Osgood corey.osgood@gmail.com + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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_rdc_r8610_config { +}; + +extern struct chip_operations northbridge_rdc_r8610_ops; diff --git a/src/northbridge/rdc/r8610/northbridge.c b/src/northbridge/rdc/r8610/northbridge.c new file mode 100644 index 0000000..48d830c --- /dev/null +++ b/src/northbridge/rdc/r8610/northbridge.c @@ -0,0 +1,135 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Rudolf Marek r.marek@assembler.cz + * + * Based on qemu-x86/northbridge.c + * + * 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 <stdlib.h> +#include <string.h> +#include <bitops.h> +#include <smbios.h> +#include "chip.h" + +#if CONFIG_WRITE_HIGH_TABLES==1 +#include <cbmem.h> +#endif + +static unsigned long get_memory_size(void) +{ + device_t nb_dev; + u8 size; + + nb_dev = dev_find_device(PCI_VENDOR_ID_RDC, + PCI_DEVICE_ID_RDC_R8610_NB, 0); + size = pci_read_config8(nb_dev, 0x6d) & 0xf; + return (2 * 1024) << size; +} + +static void cpu_pci_domain_set_resources(device_t dev) +{ + u32 pci_tolm = find_pci_tolm(dev->link_list); + unsigned long tomk = 0, tolmk; + int idx; + + tomk = get_memory_size(); + printk(BIOS_DEBUG, "Detected %lu Kbytes (%lu MiB) RAM.\n", + tomk, tomk / 1024); + + /* Compute the top of Low memory */ + tolmk = pci_tolm >> 10; + if (tolmk >= tomk) { + /* The PCI hole does not overlap the memory. */ + tolmk = tomk; + } + + /* Report the memory regions. */ + idx = 10; + ram_resource(dev, idx++, 0, 640); + ram_resource(dev, idx++, 768, tolmk - 768); + +#if CONFIG_WRITE_HIGH_TABLES==1 + /* Leave some space for ACPI, PIRQ and MP tables */ + high_tables_base = (tomk * 1024) - HIGH_MEMORY_SIZE; + high_tables_size = HIGH_MEMORY_SIZE; +#endif + + assign_resources(dev->link_list); +} + +static void cpu_pci_domain_read_resources(struct device *dev) +{ + pci_domain_read_resources(dev); +} + +#if CONFIG_GENERATE_SMBIOS_TABLES +static int rdc_get_smbios_data16(int handle, unsigned long *current) +{ + struct smbios_type16 *t = (struct smbios_type16 *)*current; + int len = sizeof(struct smbios_type16); + + memset(t, 0, sizeof(struct smbios_type16)); + t->type = SMBIOS_PHYS_MEMORY_ARRAY; + t->handle = handle; + t->length = len - 2; + t->location = 3; /* Location: System Board */ + t->use = 3; /* System memory */ + t->memory_error_correction = 3; /* No error correction */ + t->maximum_capacity = get_memory_size(); + *current += len; + return len; +} + +static int rdc_get_smbios_data(device_t dev, int *handle, unsigned long *current) +{ + int len; + len = rdc_get_smbios_data16(*handle, current); + *handle += 1; + return len; +} +#endif +static struct device_operations pci_domain_ops = { + .read_resources = cpu_pci_domain_read_resources, + .set_resources = cpu_pci_domain_set_resources, + .enable_resources = NULL, + .init = NULL, + .scan_bus = pci_domain_scan_bus, +#if CONFIG_GENERATE_SMBIOS_TABLES + .get_smbios_data = rdc_get_smbios_data, +#endif +}; + +static void 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; + pci_set_method(dev); + } +} + +struct chip_operations northbridge_rdc_r8610_ops = { + CHIP_NAME("RDC R8610 Northbridge") + .enable_dev = enable_dev, +};