From 6d6d18efe859875c5fc35cabb5e977fe6841c771 Mon Sep 17 00:00:00 2001 From: Kerry Sheh Date: Tue, 7 Feb 2012 20:32:34 +0800 Subject: Mainboard: Add AMD dinar mainboard. Dinar mainboard is an AMD evaluation board for Orochi Platform family15 model 00-0f processor. The mainbaord has dual G34 Socket, SR5690/SR5670/SR5650 and SP5100 chipsets. 16 cores InterLagos Opteron processor are supported. Windows 7 are verified on this platform. Change-Id: Id97d35e7bca9f0d422841e23f4b762f1ed101ea0 Signed-off-by: Kerry Sheh Signed-off-by: Kerry Sheh Reviewed-on: http://review.coreboot.org/564 Tested-by: build bot (Jenkins) Reviewed-by: Marc Jones --- src/mainboard/amd/dinar/mainboard.c | 138 ++++++++++++++++++++++++++++++++++++ 1 file changed, 138 insertions(+) create mode 100644 src/mainboard/amd/dinar/mainboard.c (limited to 'src/mainboard/amd/dinar/mainboard.c') diff --git a/src/mainboard/amd/dinar/mainboard.c b/src/mainboard/amd/dinar/mainboard.c new file mode 100644 index 0000000000..9d10390e83 --- /dev/null +++ b/src/mainboard/amd/dinar/mainboard.c @@ -0,0 +1,138 @@ +/* + * 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 +#include +#include +#include +#include +#include +#include +#include +#include +#include "chip.h" + +#define ONE_MB 0x100000 +//#define SMBUS_IO_BASE 0x6000 + +void set_pcie_reset(void *nbconfig); +void set_pcie_dereset(void *nbconfig); + +/** + * TODO + * SB CIMx callback + */ +void set_pcie_reset(void *nbconfig) +{ +} + +/** + * Mainboard specific RD890 CIMx callback + * Release Resets to PCIe Links + * SR5690 PCIE_RESET_GPIO1,2,3,4 to reset pcie + */ +void set_pcie_dereset(void *nbconfig) +{ + //u32 nb_dev = MAKE_SBDFO(0, 0x0, 0x0, 0x0, 0x0); + u32 i; + u32 val; + u32 nb_addr; + + val = 0x00000007UL; + AMD_NB_CONFIG_BLOCK *pConfig = (AMD_NB_CONFIG_BLOCK*)nbconfig; + for (i = 0; i < MAX_NB_COUNT; i ++) { + nb_addr = pConfig->Northbridges[i].NbPciAddress.AddressValue | NB_HTIU_INDEX; + LibNbPciIndexRMW(nb_addr, + NB_HTIU_REGA8, + AccessS3SaveWidth32, + ~val, + val, + &(pConfig->Northbridges[i])); + } +} + +uint64_t uma_memory_base, uma_memory_size; + +/************************************************* + * enable the dedicated function in dinar board. + *************************************************/ +static void dinar_enable(device_t dev) +{ + printk(BIOS_INFO, "Mainboard Dinar Enable. dev=0x%p\n", dev); +#if (CONFIG_GFXUMA == 1) + msr_t msr, msr2; + uint32_t sys_mem; + + /* TOP_MEM: the top of DRAM below 4G */ + msr = rdmsr(TOP_MEM); + printk + (BIOS_INFO, "%s, TOP MEM: msr.lo = 0x%08x, msr.hi = 0x%08x\n", + __func__, msr.lo, msr.hi); + + /* TOP_MEM2: the top of DRAM above 4G */ + msr2 = rdmsr(TOP_MEM2); + printk (BIOS_INFO, "%s, TOP MEM2: msr2.lo = 0x%08x, msr2.hi = 0x%08x\n", + __func__, msr2.lo, msr2.hi); + + /* refer to UMA Size Consideration in Family15h BKDG. */ + /* Please reference MemNGetUmaSizeOR () */ + /* + * Total system memory UMASize + * >= 2G 512M + * >=1G 256M + * <1G 64M + */ + sys_mem = msr.lo + 16 * ONE_MB; // Ignore 16MB allocated for C6 when finding UMA size + if ((msr2.hi & 0x0000000F) || (sys_mem >= 2048 * ONE_MB)) { + uma_memory_size = 512 * ONE_MB; + } else if (sys_mem >= 1024 * ONE_MB) { + uma_memory_size = 256 * ONE_MB; + } else { + uma_memory_size = 64 * ONE_MB; + } + uma_memory_base = msr.lo - uma_memory_size; /* TOP_MEM1 */ + + printk(BIOS_INFO, "%s: uma size 0x%08llx, memory start 0x%08llx\n", + __func__, uma_memory_size, uma_memory_base); + + /* TODO: TOP_MEM2 */ +#else + uma_memory_size = 256 * ONE_MB; /* 256M recommended UMA */ + uma_memory_base = 768 * ONE_MB; /* 1GB system memory supported */ +#endif + +} + +int add_mainboard_resources(struct lb_memory *mem) +{ + /* UMA is removed from system memory in the northbridge code, but + * in some circumstances we want the memory mentioned as reserved. + */ +#if (CONFIG_GFXUMA == 1) + printk(BIOS_INFO, "uma_memory_start=0x%llx, uma_memory_size=0x%llx \n", + uma_memory_base, uma_memory_size); + lb_add_memory_range(mem, LB_MEM_RESERVED, uma_memory_base, + uma_memory_size); +#endif + return 0; +} +struct chip_operations mainboard_ops = { + CHIP_NAME("AMD DINAR Mainboard") + .enable_dev = dinar_enable, +}; -- cgit v1.2.3