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Diffstat (limited to 'src/mainboard/msi/ms9282/romstage.c')
| -rw-r--r-- | src/mainboard/msi/ms9282/romstage.c | 293 |
1 files changed, 293 insertions, 0 deletions
diff --git a/src/mainboard/msi/ms9282/romstage.c b/src/mainboard/msi/ms9282/romstage.c new file mode 100644 index 000000000000..11c92b81fae9 --- /dev/null +++ b/src/mainboard/msi/ms9282/romstage.c @@ -0,0 +1,293 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2006 AMD + * Written by Yinghai Lu <yinghailu@amd.com> for AMD. + * + * Copyright (C) 2006 MSI + * Written by Bingxun Shi <bingxunshi@gmail.com> for MSI. + * + * 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 + */ + +#define ASSEMBLY 1 +#define __PRE_RAM__ + +#define RAMINIT_SYSINFO 1 +#define CACHE_AS_RAM_ADDRESS_DEBUG 0 + +#define SET_NB_CFG_54 1 + +//used by raminit +#define QRANK_DIMM_SUPPORT 1 + +//used by init_cpus and fidvid +#define K8_SET_FIDVID 1 +//if we want to wait for core1 done before DQS training, set it to 0 +#define K8_SET_FIDVID_CORE0_ONLY 1 + +#define DEBUG_SMBUS 1 + +#include <stdint.h> +#include <string.h> +#include <device/pci_def.h> +#include <arch/io.h> +#include <device/pnp_def.h> +#include <arch/romcc_io.h> +#include <cpu/x86/lapic.h> +#include "option_table.h" +#include "pc80/mc146818rtc_early.c" +#include "pc80/serial.c" +#include "arch/i386/lib/console.c" + +#include <cpu/amd/model_fxx_rev.h> +#include "southbridge/nvidia/mcp55/mcp55_early_smbus.c" +#include "northbridge/amd/amdk8/raminit.h" +#include "cpu/amd/model_fxx/apic_timer.c" +#include "lib/delay.c" + +#include "cpu/x86/lapic/boot_cpu.c" +#include "northbridge/amd/amdk8/reset_test.c" +#include "northbridge/amd/amdk8/debug.c" +#include "superio/winbond/w83627ehg/w83627ehg_early_serial.c" + +#include "cpu/amd/mtrr/amd_earlymtrr.c" +#include "cpu/x86/bist.h" + +#include "northbridge/amd/amdk8/setup_resource_map.c" + +#define SERIAL_DEV PNP_DEV(0x2e, W83627EHG_SP1) +#define RTC_DEV PNP_DEV(0x2e, W83627EHG_RTC) + +#include <device/pci_ids.h> +#include "southbridge/nvidia/mcp55/mcp55_early_ctrl.c" +static void memreset_setup(void) +{ +} + +static void memreset(int controllers, const struct mem_controller *ctrl) +{ +} + +static inline void activate_spd_rom(const struct mem_controller *ctrl) +{ +#define SMBUS_SWITCH1 0x70 +#define SMBUS_SWITCH2 0x72 + unsigned device=(ctrl->channel0[0])>>8; + smbus_send_byte(SMBUS_SWITCH1, device); + smbus_send_byte(SMBUS_SWITCH2, (device >> 4) & 0x0f); +} + +#if 0 +static inline void change_i2c_mux(unsigned device) +{ +#define SMBUS_SWITCH1 0x70 +#define SMBUS_SWITHC2 0x72 + smbus_send_byte(SMBUS_SWITCH1, device & 0x0f); + smbus_send_byte(SMBUS_SWITCH2, (device >> 4) & 0x0f); +} +#endif + +static inline int spd_read_byte(unsigned device, unsigned address) +{ + return smbus_read_byte(device, address); +} + +//#define K8_4RANK_DIMM_SUPPORT 1 + +#include "northbridge/amd/amdk8/amdk8_f.h" +#include "northbridge/amd/amdk8/raminit_f.c" +#include "northbridge/amd/amdk8/coherent_ht.c" +#include "northbridge/amd/amdk8/incoherent_ht.c" +#include "lib/generic_sdram.c" + + /* msi does not want the default */ +#include "resourcemap.c" +#include "cpu/amd/dualcore/dualcore.c" + +#define MCP55_NUM 1 +#include "southbridge/nvidia/mcp55/mcp55_early_setup_ss.h" +//set GPIO to input mode +#define MCP55_MB_SETUP \ + RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+15, ~(0xff), ((0<<4)|(0<<2)|(0<<0)),/* M8,GPIO16, PCIXA_PRSNT2_L*/ \ + RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+44, ~(0xff), ((0<<4)|(0<<2)|(0<<0)),/* P5,GPIO45, PCIXA_PRSNT1_L*/ \ + RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+16, ~(0xff), ((0<<4)|(0<<2)|(0<<0)),/* K4,GPIO17, PCIXB_PRSNT1_L*/ \ + RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+45, ~(0xff), ((0<<4)|(0<<2)|(0<<0)),/* P7,GPIO46, PCIXB_PRSNT2_L*/ \ + +#include "southbridge/nvidia/mcp55/mcp55_early_setup_car.c" + +#include "cpu/amd/car/copy_and_run.c" + +#include "cpu/amd/car/post_cache_as_ram.c" + +#include "cpu/amd/model_fxx/init_cpus.c" +#include "cpu/amd/model_fxx/fidvid.c" + +#if CONFIG_USE_FALLBACK_IMAGE == 1 + +#include "southbridge/nvidia/mcp55/mcp55_enable_rom.c" +#include "northbridge/amd/amdk8/early_ht.c" + + +static void sio_setup(void) +{ + + unsigned value; + uint32_t dword; + uint8_t byte; + + byte = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0x7b); + byte |= 0x20; + pci_write_config8(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0x7b, byte); + + dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0xa0); + dword |= (1<<0); + pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0xa0, dword); + + +} +void failover_process(unsigned long bist, unsigned long cpu_init_detectedx) +{ + unsigned last_boot_normal_x = last_boot_normal(); + + /* Is this a cpu only reset? or Is this a secondary cpu? */ + if ((cpu_init_detectedx) || (!boot_cpu())) { + if (last_boot_normal_x) { + goto normal_image; + } else { + goto fallback_image; + } + } + + /* Nothing special needs to be done to find bus 0 */ + /* Allow the HT devices to be found */ + + enumerate_ht_chain(); + + sio_setup(); + + /* Setup the mcp55 */ + mcp55_enable_rom(); + + /* Is this a deliberate reset by the bios */ + if (bios_reset_detected() && last_boot_normal_x) { + goto normal_image; + } + /* This is the primary cpu how should I boot? */ + else if (do_normal_boot()) { + goto normal_image; + } + else { + goto fallback_image; + } + normal_image: + __asm__ volatile ("jmp __normal_image" + : /* outputs */ + : "a" (bist), "b"(cpu_init_detectedx) /* inputs */ + ); + + fallback_image: + ; +} +#endif + +void real_main(unsigned long bist, unsigned long cpu_init_detectedx); + +void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) +{ + +#if CONFIG_USE_FALLBACK_IMAGE == 1 + failover_process(bist, cpu_init_detectedx); +#endif + real_main(bist, cpu_init_detectedx); + +} + +//CPU 1 mem is on SMBUS_HUB channel 2, and CPU 2 mem is on channel 1. +#define RC0 (2<<8) +#define RC1 (1<<8) + +void real_main(unsigned long bist, unsigned long cpu_init_detectedx) +{ + static const uint16_t spd_addr [] = { + RC0|(0xa<<3)|0, RC0|(0xa<<3)|2, RC0|(0xa<<3)|4, RC0|(0xa<<3)|6, + RC0|(0xa<<3)|1, RC0|(0xa<<3)|3, RC0|(0xa<<3)|5, RC0|(0xa<<3)|7, +#if CONFIG_MAX_PHYSICAL_CPUS > 1 + RC1|(0xa<<3)|0, RC1|(0xa<<3)|2, RC1|(0xa<<3)|4, RC1|(0xa<<3)|6, + RC1|(0xa<<3)|1, RC1|(0xa<<3)|3, RC1|(0xa<<3)|5, RC1|(0xa<<3)|7, +#endif + }; + + unsigned bsp_apicid = 0; + int needs_reset; + struct sys_info *sysinfo = (CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); + char *p ; + + if (bist == 0) { + //init_cpus(cpu_init_detectedx); + bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo); + } + + w83627ehg_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); + uart_init(); + console_init(); + + /* Halt if there was a built in self test failure */ + report_bist_failure(bist); + + setup_ms9282_resource_map(); + + setup_coherent_ht_domain(); + + wait_all_core0_started(); + +#if CONFIG_LOGICAL_CPUS==1 + // It is said that we should start core1 after all core0 launched + start_other_cores(); + //wait_all_other_cores_started(bsp_apicid); +#endif + ht_setup_chains_x(sysinfo); // it will init sblnk and sbbusn, nodes, sbdn + + needs_reset = optimize_link_coherent_ht(); + + needs_reset |= optimize_link_incoherent_ht(sysinfo); + + needs_reset |= mcp55_early_setup_x(); + + if (needs_reset) { + print_info("ht reset -\r\n"); + soft_reset(); + } + + //It's the time to set ctrl now; + fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr); + + enable_smbus(); + +#if 0 + int i; + for(i=4;i<8;i++) { + change_i2c_mux(i); + dump_smbus_registers(); + } +#endif + + memreset_setup(); + + sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo); + + post_cache_as_ram(); + +} |