diff options
Diffstat (limited to 'src/mainboard/sunw/ultra40m2/romstage.c')
| -rw-r--r-- | src/mainboard/sunw/ultra40m2/romstage.c | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/src/mainboard/sunw/ultra40m2/romstage.c b/src/mainboard/sunw/ultra40m2/romstage.c new file mode 100644 index 0000000000..4186cc70b6 --- /dev/null +++ b/src/mainboard/sunw/ultra40m2/romstage.c @@ -0,0 +1,189 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007 AMD + * Written by Yinghai Lu <yinghailu@amd.com> for AMD. + * + * 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. + */ + +#include <stdint.h> +#include <string.h> +#include <device/pci_def.h> +#include <device/pci_ids.h> +#include <arch/io.h> +#include <device/pnp_def.h> +#include <cpu/x86/lapic.h> +#include <pc80/mc146818rtc.h> +#include <console/console.h> +#include <lib.h> +#include <spd.h> +#include <cpu/amd/model_fxx_rev.h> +#include "southbridge/nvidia/mcp55/early_smbus.c" +#include <northbridge/amd/amdk8/raminit.h> +#include "lib/delay.c" +#include <cpu/x86/lapic.h> +#include "northbridge/amd/amdk8/reset_test.c" +#include <superio/winbond/common/winbond.h> +#include <superio/winbond/w83627ehg/w83627ehg.h> +#include <cpu/x86/bist.h> +#include "northbridge/amd/amdk8/debug.c" +#include "northbridge/amd/amdk8/setup_resource_map.c" +#include "southbridge/nvidia/mcp55/early_ctrl.c" + +#define SERIAL_DEV PNP_DEV(0x2e, W83627EHG_SP1) + +static void memreset(int controllers, const struct mem_controller *ctrl) { } +static void activate_spd_rom(const struct mem_controller *ctrl) { } + +static inline int spd_read_byte(unsigned device, unsigned address) +{ + return smbus_read_byte(device, address); +} + +#include <northbridge/amd/amdk8/f.h> +#include "northbridge/amd/amdk8/incoherent_ht.c" +#include "northbridge/amd/amdk8/coherent_ht.c" +#include "northbridge/amd/amdk8/raminit_f.c" +#include "lib/generic_sdram.c" +#include "resourcemap.c" +#include "cpu/amd/dualcore/dualcore.c" + +#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/early_setup_ss.h> +#include "southbridge/nvidia/mcp55/early_setup_car.c" +#include "cpu/amd/model_fxx/init_cpus.c" +#include "cpu/amd/model_fxx/fidvid.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 cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) +{ + static const uint16_t spd_addr [] = { + // Node 0 + DIMM0, DIMM2, 0, 0, + DIMM1, DIMM3, 0, 0, + // Node 1 + DIMM4, DIMM6, 0, 0, + DIMM5, DIMM7, 0, 0, + }; + + struct sys_info *sysinfo = &sysinfo_car; + int needs_reset = 0; + unsigned bsp_apicid = 0; + + if (!cpu_init_detectedx && boot_cpu()) { + /* Nothing special needs to be done to find bus 0 */ + /* Allow the HT devices to be found */ + enumerate_ht_chain(); + sio_setup(); + } + + if (bist == 0) + bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo); + + pnp_enter_ext_func_mode(SERIAL_DEV); + pnp_write_config(SERIAL_DEV, 0x24, 0); + pnp_exit_ext_func_mode(SERIAL_DEV); + + setup_mb_resource_map(); + + winbond_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); + console_init(); + + /* Halt if there was a built in self test failure */ + report_bist_failure(bist); + printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1); + + printk(BIOS_DEBUG, "bsp_apicid=%02x\n", bsp_apicid); + + set_sysinfo_in_ram(0); // in BSP so could hold all ap until sysinfo is in ram + setup_coherent_ht_domain(); // routing table and start other core0 + + wait_all_core0_started(); +#if CONFIG_LOGICAL_CPUS + // 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 + + /* it will set up chains and store link pair for optimization later */ + ht_setup_chains_x(sysinfo); // it will init sblnk and sbbusn, nodes, sbdn + +#if CONFIG_SET_FIDVID + { + msr_t msr; + msr=rdmsr(0xc0010042); + printk(BIOS_DEBUG, "begin msr fid, vid %08x%08x\n", msr.hi, msr.lo); + } + enable_fid_change(); + enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn); + init_fidvid_bsp(bsp_apicid); + // show final fid and vid + { + msr_t msr; + msr=rdmsr(0xc0010042); + printk(BIOS_DEBUG, "end msr fid, vid %08x%08x\n", msr.hi, msr.lo); + } +#endif + + init_timer(); /* Need to use TMICT to synchronize FID/VID. */ + + 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) { + printk(BIOS_INFO, "ht reset -\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(); + + /* all ap stopped? */ + + sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo); + + post_cache_as_ram(); // bsp swtich stack to ram and copy sysinfo ram now +} |