diff options
Diffstat (limited to 'src/mainboard/asus/m2v-mx_se/romstage.c')
-rw-r--r-- | src/mainboard/asus/m2v-mx_se/romstage.c | 258 |
1 files changed, 258 insertions, 0 deletions
diff --git a/src/mainboard/asus/m2v-mx_se/romstage.c b/src/mainboard/asus/m2v-mx_se/romstage.c new file mode 100644 index 0000000000..13101b0217 --- /dev/null +++ b/src/mainboard/asus/m2v-mx_se/romstage.c @@ -0,0 +1,258 @@ +/* + * 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) + * Copyright (C) 2008 Rudolf Marek <r.marek@assembler.cz> + * + * 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 + +unsigned int get_sbdn(unsigned bus); + +/* 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 + +#if CONFIG_K8_REV_F_SUPPORT == 1 +#define K8_REV_F_SUPPORT_F0_F1_WORKAROUND 0 +#endif + +/* #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/amd/mtrr.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 "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 "northbridge/amd/amdk8/early_ht.c" +#include "superio/ite/it8712f/it8712f_early_serial.c" +#include "southbridge/via/vt8237r/vt8237r_early_smbus.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, IT8712F_SP1) +#define WATCHDOG_DEV PNP_DEV(0x2e, IT8712F_GPIO) + +static void memreset_setup(void) +{ +} + +static void memreset(int controllers, const struct mem_controller *ctrl) +{ +} + +static inline int spd_read_byte(unsigned device, unsigned address) +{ + return smbus_read_byte(device, address); +} + +void activate_spd_rom(const struct mem_controller *ctrl) +{ +} + +#define K8_4RANK_DIMM_SUPPORT 1 + + +#include "southbridge/via/k8t890/k8t890_early_car.c" +#include "northbridge/amd/amdk8/amdk8.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" +#include "cpu/amd/dualcore/dualcore.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" + +#define SB_VFSMAF 0 + +/* this function might fail on some K8 CPUs with errata #181 */ +static void ldtstop_sb(void) +{ + print_debug("toggle LDTSTP#\r\n"); + u8 reg = inb (VT8237R_ACPI_IO_BASE + 0x5c); + reg = reg ^ (1 << 0); + outb(reg, VT8237R_ACPI_IO_BASE + 0x5c); + reg = inb(VT8237R_ACPI_IO_BASE + 0x15); + print_debug("done\r\n"); +} + + +#include "cpu/amd/model_fxx/fidvid.c" +#include "northbridge/amd/amdk8/resourcemap.c" + +#warning No hard_reset implemented for this board! +void hard_reset(void) +{ + print_info("NO HARD RESET. FIX ME!\n"); +} + +void soft_reset(void) +{ + uint8_t tmp; + + set_bios_reset(); + print_debug("soft reset \r\n"); + + /* PCI reset */ + tmp = pci_read_config8(PCI_DEV(0, 0x11, 0), 0x4f); + tmp |= 0x01; + /* FIXME from S3 set bit1 to disable USB reset VT8237A/S */ + pci_write_config8(PCI_DEV(0, 0x11, 0), 0x4f, tmp); + + while (1) { + /* daisy daisy ... */ + hlt(); + } +} + +unsigned int get_sbdn(unsigned bus) +{ + device_t dev; + + dev = pci_locate_device_on_bus(PCI_ID(PCI_VENDOR_ID_VIA, + PCI_DEVICE_ID_VIA_VT8237R_LPC), bus); + return (dev >> 15) & 0x1f; +} + +void sio_init(void) +{ + +} + +void real_main(unsigned long bist, unsigned long cpu_init_detectedx); + +void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) +{ + real_main(bist, cpu_init_detectedx); +} + +void real_main(unsigned long bist, unsigned long cpu_init_detectedx) +{ + msr_t msr; + 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 + }; + unsigned bsp_apicid = 0; + int needs_reset = 0; + struct sys_info *sysinfo = + (CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); + char *p; + u8 reg; + + sio_init(); + it8712f_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); + it8712f_kill_watchdog(); + it8712f_enable_3vsbsw(); + uart_init(); + console_init(); + enable_rom_decode(); + + print_info("now booting... real_main\r\n"); + + + if (bist == 0) + bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo); + + /* Halt if there was a built in self test failure. */ + report_bist_failure(bist); + setup_default_resource_map(); + setup_coherent_ht_domain(); + wait_all_core0_started(); + + print_info("now booting... Core0 started\r\n"); + +#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 + init_timer(); + ht_setup_chains_x(sysinfo); /* Init sblnk and sbbusn, nodes, sbdn. */ + + needs_reset = optimize_link_coherent_ht(); + print_debug_hex8(needs_reset); + needs_reset |= optimize_link_incoherent_ht(sysinfo); + print_debug_hex8(needs_reset); + needs_reset |= k8t890_early_setup_ht(); + print_debug_hex8(needs_reset); + + vt8237_early_network_init(NULL); + vt8237_early_spi_init(); + + if (needs_reset) { + print_debug_hex8(needs_reset); + + print_debug("Xht reset -\r\n"); + soft_reset(); + print_debug("NO reset\r\n"); + + } + + + /* the HT settings needs to be OK, because link freq chnage may cause HT disconnect */ + /* allow LDT STOP asserts */ + vt8237_sb_enable_fid_vid(); + + enable_fid_change(); + print_debug("after enable_fid_change\r\n"); + + init_fidvid_bsp(bsp_apicid); + + /* Stop the APs so we can start them later in init. */ + allow_all_aps_stop(bsp_apicid); + + /* It's the time to set ctrl now. */ + fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr); + enable_smbus(); + memreset_setup(); + sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo); + post_cache_as_ram(); +} |