diff options
Diffstat (limited to 'src/mainboard/msi/ms7260/cache_as_ram_auto.c')
-rw-r--r-- | src/mainboard/msi/ms7260/cache_as_ram_auto.c | 345 |
1 files changed, 345 insertions, 0 deletions
diff --git a/src/mainboard/msi/ms7260/cache_as_ram_auto.c b/src/mainboard/msi/ms7260/cache_as_ram_auto.c new file mode 100644 index 0000000000..ffbeaf43ae --- /dev/null +++ b/src/mainboard/msi/ms7260/cache_as_ram_auto.c @@ -0,0 +1,345 @@ +/* + * This file is part of the LinuxBIOS project. + * + * Copyright (C) 2007 AMD + * Written by Yinghai Lu <yinghailu@amd.com> for AMD. + * Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de> + * + * 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 __ROMCC__ + +// #define CACHE_AS_RAM_ADDRESS_DEBUG 1 +// #define DEBUG_SMBUS 1 +// #define RAM_TIMING_DEBUG 1 +// #define DQS_TRAIN_DEBUG 1 +// #define RES_DEBUG 1 + +#define RAMINIT_SYSINFO 1 +#define K8_ALLOCATE_IO_RANGE 1 +// #define K8_SCAN_PCI_BUS 1 /* ? */ +#define QRANK_DIMM_SUPPORT 1 +#if CONFIG_LOGICAL_CPUS == 1 +#define SET_NB_CFG_54 1 +#endif + +/* 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 + +#if K8_REV_F_SUPPORT == 1 +#define K8_REV_F_SUPPORT_F0_F1_WORKAROUND 0 +#endif + +#define DBGP_DEFAULT 7 + +#include <stdint.h> +#include <device/pci_def.h> +#include <device/pci_ids.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" + +#if USE_FAILOVER_IMAGE == 0 + +#include "pc80/serial.c" +#include "arch/i386/lib/console.c" +#if CONFIG_USBDEBUG_DIRECT +#include "southbridge/nvidia/mcp55/mcp55_enable_usbdebug_direct.c" +#include "pc80/usbdebug_direct_serial.c" +#endif +#include "ram/ramtest.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" + +#endif + +#include "cpu/x86/lapic/boot_cpu.c" +#include "northbridge/amd/amdk8/reset_test.c" +#include "superio/winbond/w83627ehg/w83627ehg_early_serial.c" +#include "superio/winbond/w83627ehg/w83627ehg_early_init.c" + +#if USE_FAILOVER_IMAGE == 0 + +#include "cpu/x86/bist.h" +#if CONFIG_USE_INIT == 0 +#include "lib/memcpy.c" +#endif +#include "northbridge/amd/amdk8/debug.c" +#include "cpu/amd/mtrr/amd_earlymtrr.c" +#include "northbridge/amd/amdk8/setup_resource_map.c" + +/* Yes, on the MSI K9N Neo (MS-7260) the Super I/O is at 0x4e! */ +#define SERIAL_DEV PNP_DEV(0x4e, W83627EHG_SP1) + +#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) {} + +static inline int spd_read_byte(unsigned int device, unsigned int address) +{ + return smbus_read_byte(device, address); +} + +#include "northbridge/amd/amdk8/amdk8_f.h" +#include "northbridge/amd/amdk8/coherent_ht.c" +#include "northbridge/amd/amdk8/incoherent_ht.c" +#include "northbridge/amd/amdk8/raminit_f.c" +#include "sdram/generic_sdram.c" +#include "resourcemap.c" +#include "cpu/amd/dualcore/dualcore.c" + +#define MCP55_NUM 1 +#define MCP55_USE_NIC 1 +#define MCP55_USE_AZA 1 +#define MCP55_PCI_E_X_0 0 + +#define MCP55_MB_SETUP \ + RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+37, 0x00, 0x44,/* GPIO38 PCI_REQ3 */ \ + RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+38, 0x00, 0x44,/* GPIO39 PCI_GNT3 */ \ + RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+39, 0x00, 0x44,/* GPIO40 PCI_GNT2 */ \ + RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+40, 0x00, 0x44,/* GPIO41 PCI_REQ2 */ \ + RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+59, 0x00, 0x60,/* GPIP60 FANCTL0 */ \ + RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+60, 0x00, 0x60,/* GPIO61 FANCTL1 */ + +#include "southbridge/nvidia/mcp55/mcp55_early_setup_ss.h" +#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" + +#endif + +#if ((HAVE_FAILOVER_BOOT==1) && (USE_FAILOVER_IMAGE == 1)) || ((HAVE_FAILOVER_BOOT==0) && (USE_FALLBACK_IMAGE == 1)) + +#include "southbridge/nvidia/mcp55/mcp55_enable_rom.c" +#include "northbridge/amd/amdk8/early_ht.c" + +static void sio_setup(void) +{ + uint32_t dword; + uint8_t byte; + + byte = pci_read_config8(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); + + dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa4); + dword |= (1 << 16); + pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE + 1, 0), 0xa4, dword); +} + +void failover_process(unsigned long bist, unsigned long cpu_init_detectedx) +{ + unsigned int 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": + :"a" (bist), "b"(cpu_init_detectedx) + ); + +fallback_image: +#if HAVE_FAILOVER_BOOT==1 + __asm__ volatile ("jmp __fallback_image": + :"a" (bist), "b"(cpu_init_detectedx) + ) +#endif + ; +} +#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 HAVE_FAILOVER_BOOT == 1 +#if USE_FAILOVER_IMAGE == 1 + failover_process(bist, cpu_init_detectedx); +#else + real_main(bist, cpu_init_detectedx); +#endif +#else +#if USE_FALLBACK_IMAGE == 1 + failover_process(bist, cpu_init_detectedx); +#endif + real_main(bist, cpu_init_detectedx); +#endif +} + +#if USE_FAILOVER_IMAGE == 0 + +void real_main(unsigned long bist, unsigned long cpu_init_detectedx) +{ + static const uint16_t spd_addr[] = { + (0xa << 3) | 0, (0xa << 3) | 2, 0, 0, + (0xa << 3) | 1, (0xa << 3) | 3, 0, 0, +#if CONFIG_MAX_PHYSICAL_CPUS > 1 + (0xa << 3) | 4, (0xa << 3) | 6, 0, 0, + (0xa << 3) | 5, (0xa << 3) | 7, 0, 0, +#endif + }; + + struct sys_info *sysinfo = + (DCACHE_RAM_BASE + DCACHE_RAM_SIZE - DCACHE_RAM_GLOBAL_VAR_SIZE); + int needs_reset = 0; + unsigned bsp_apicid = 0; + + if (bist == 0) + bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo); + + /* FIXME: This should be part of the Super I/O code/config. */ + pnp_enter_ext_func_mode(SERIAL_DEV); + /* Switch CLKSEL to 24MHz (default is 48MHz). Needed for serial! */ + pnp_write_config(SERIAL_DEV, 0x24, 0); + w83627ehg_enable_dev(SERIAL_DEV, TTYS0_BASE); + pnp_exit_ext_func_mode(SERIAL_DEV); + + setup_mb_resource_map(); + uart_init(); + report_bist_failure(bist); /* Halt upon BIST failure. */ +#if CONFIG_USBDEBUG_DIRECT + mcp55_enable_usbdebug_direct(DBGP_DEFAULT); + early_usbdebug_direct_init(); +#endif + console_init(); + + print_debug("*sysinfo range: ["); + print_debug_hex32(sysinfo); + print_debug(","); + print_debug_hex32((unsigned long)sysinfo + sizeof(struct sys_info)); + print_debug(")\r\n"); + + print_debug("bsp_apicid="); + print_debug_hex8(bsp_apicid); + print_debug("\r\n"); + +#if MEM_TRAIN_SEQ == 1 + /* In BSP so could hold all AP until sysinfo is in RAM. */ + set_sysinfo_in_ram(0); +#endif + + setup_coherent_ht_domain(); /* Routing table and start other core0. */ + wait_all_core0_started(); + +#if CONFIG_LOGICAL_CPUS == 1 + /* It is said that we should start core1 after all core0 launched + * becase optimize_link_coherent_ht is moved out from + * setup_coherent_ht_domain, so here need to make sure last core0 is + * started, esp for two way system (there may be APIC ID conflicts in + * that case). + */ + start_other_cores(); + wait_all_other_cores_started(bsp_apicid); +#endif + + /* Set up chains and store link pair for optimization later. */ + ht_setup_chains_x(sysinfo); /* Init sblnk and sbbusn, nodes, sbdn. */ + +#if K8_SET_FIDVID == 1 + { + msr_t msr = rdmsr(0xc0010042); + print_debug("begin msr fid, vid "); + print_debug_hex32(msr.hi); + print_debug_hex32(msr.lo); + print_debug("\r\n"); + } + + enable_fid_change(); + enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn); + init_fidvid_bsp(bsp_apicid); + + { + msr_t msr = rdmsr(0xc0010042); + print_debug("end msr fid, vid "); + print_debug_hex32(msr.hi); + print_debug_hex32(msr.lo); + print_debug("\r\n"); + } +#endif + + needs_reset |= optimize_link_coherent_ht(); + needs_reset |= optimize_link_incoherent_ht(sysinfo); + needs_reset |= mcp55_early_setup_x(); + + /* fidvid change will issue one LDTSTOP and the HT change will be effective too. */ + if (needs_reset) { + print_info("ht reset -\r\n"); + soft_reset(); + } + allow_all_aps_stop(bsp_apicid); + + /* It's the time to set ctrl in sysinfo now. */ + fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr); + + enable_smbus(); + + memreset_setup(); + + /* Do we need apci timer, tsc...., only debug need it for better output */ + /* All AP stopped? */ + // init_timer(); /* Need to use TMICT to synconize FID/VID. */ + + sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo); + + /* bsp switch stack to RAM and copy sysinfo RAM now. */ + post_cache_as_ram(); +} + +#endif |