diff options
author | Florian Zumbiehl <florz@florz.de> | 2011-11-01 20:19:40 +0100 |
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committer | Rudolf Marek <r.marek@assembler.cz> | 2011-12-02 23:20:20 +0100 |
commit | 2138556e2aaa70730a58e6a74dd17ed5bc27bcc1 (patch) | |
tree | 9da856884675510e0f8fe2f71e7f9c4dc022e15d /src/mainboard/asus/k8v-x/romstage.c | |
parent | 6a3e8d62f852f2abd377d827c0909aa71c44ca39 (diff) |
copied asus a8v-e_se to k8v-x
Change-Id: Ib66e8c5102ad45e73977a06aea109ed9544f4d08
Signed-off-by: Florian Zumbiehl <florz@florz.de>
Reviewed-on: http://review.coreboot.org/389
Tested-by: build bot (Jenkins)
Reviewed-by: Rudolf Marek <r.marek@assembler.cz>
Diffstat (limited to 'src/mainboard/asus/k8v-x/romstage.c')
-rw-r--r-- | src/mainboard/asus/k8v-x/romstage.c | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/src/mainboard/asus/k8v-x/romstage.c b/src/mainboard/asus/k8v-x/romstage.c new file mode 100644 index 0000000000..4e08859746 --- /dev/null +++ b/src/mainboard/asus/k8v-x/romstage.c @@ -0,0 +1,225 @@ +/* + * 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) 2007 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 + */ + +unsigned int get_sbdn(unsigned bus); + +#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 <pc80/mc146818rtc.h> +#include <console/console.h> +#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/early_ht.c" +#include "superio/winbond/w83627ehg/early_serial.c" +#include "southbridge/via/vt8237r/early_smbus.c" +#include "northbridge/amd/amdk8/debug.c" /* After vt8237r/early_smbus.c! */ +#include "cpu/x86/mtrr/earlymtrr.c" +#include "cpu/x86/bist.h" +#include "northbridge/amd/amdk8/setup_resource_map.c" +#include <spd.h> + +#define SERIAL_DEV PNP_DEV(0x2e, W83627EHG_SP1) +#define GPIO_DEV PNP_DEV(0x2e, W83627EHG_GPIO_SUSLED_V) +#define ACPI_DEV PNP_DEV(0x2e, W83627EHG_ACPI) + +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 <reset.h> +void soft_reset(void) +{ + uint8_t tmp; + + set_bios_reset(); + print_debug("soft reset \n"); + + /* PCI reset */ + tmp = pci_read_config8(PCI_DEV(0, 0x11, 0), 0x4f); + tmp |= 0x01; + pci_write_config8(PCI_DEV(0, 0x11, 0), 0x4f, tmp); + + while (1) { + /* daisy daisy ... */ + hlt(); + } +} + +#include "southbridge/via/k8t890/early_car.c" +#include "northbridge/amd/amdk8/amdk8.h" +#include "northbridge/amd/amdk8/incoherent_ht.c" +#include "northbridge/amd/amdk8/coherent_ht.c" +#include "northbridge/amd/amdk8/raminit.c" +#include "lib/generic_sdram.c" +#include "cpu/amd/dualcore/dualcore.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" +#include "northbridge/amd/amdk8/resourcemap.c" + +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; +} + +static void sio_init(void) +{ + u8 reg; + + pnp_enter_ext_func_mode(SERIAL_DEV); + /* We have 24MHz input. */ + reg = pnp_read_config(SERIAL_DEV, 0x24); + pnp_write_config(SERIAL_DEV, 0x24, (reg & ~0x40)); + /* We have GPIO for KB/MS pin. */ + reg = pnp_read_config(SERIAL_DEV, 0x2a); + pnp_write_config(SERIAL_DEV, 0x2a, (reg | 1)); + /* We have all RESTOUT and even some reserved bits, too. */ + reg = pnp_read_config(SERIAL_DEV, 0x2c); + pnp_write_config(SERIAL_DEV, 0x2c, (reg | 0xf0)); + pnp_exit_ext_func_mode(SERIAL_DEV); + + pnp_enter_ext_func_mode(ACPI_DEV); + pnp_set_logical_device(ACPI_DEV); + /* + * Set the delay rising time from PWROK_LP to PWROK_ST to + * 300 - 600ms, and 0 to vice versa. + */ + reg = pnp_read_config(ACPI_DEV, 0xe6); + pnp_write_config(ACPI_DEV, 0xe6, (reg & 0xf0)); + /* 1 Use external suspend clock source 32.768KHz. Undocumented?? */ + reg = pnp_read_config(ACPI_DEV, 0xe4); + pnp_write_config(ACPI_DEV, 0xe4, (reg | 0x10)); + pnp_exit_ext_func_mode(ACPI_DEV); + + pnp_enter_ext_func_mode(GPIO_DEV); + pnp_set_logical_device(GPIO_DEV); + /* Set memory voltage to 2.75V, vcore offset + 100mV, 1.5V chipset voltage. */ + pnp_write_config(GPIO_DEV, 0x30, 0x09); /* Enable GPIO 2 & GPIO 5. */ + pnp_write_config(GPIO_DEV, 0xe2, 0x00); /* No inversion */ + pnp_write_config(GPIO_DEV, 0xe5, 0x00); /* No inversion */ + pnp_write_config(GPIO_DEV, 0xe3, 0x03); /* 0000 0011, 0=output 1=input */ + pnp_write_config(GPIO_DEV, 0xe0, 0xde); /* 1101 1110, 0=output 1=input */ + pnp_write_config(GPIO_DEV, 0xe1, 0x01); /* Set output val. */ + pnp_write_config(GPIO_DEV, 0xe4, 0xb4); /* Set output val (1011 0100). */ + pnp_exit_ext_func_mode(GPIO_DEV); +} + +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, + }; + unsigned bsp_apicid = 0; + int needs_reset = 0; + struct sys_info *sysinfo = (struct sys_info *)(CONFIG_DCACHE_RAM_BASE + + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); + + sio_init(); + w83627ehg_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); + console_init(); + enable_rom_decode(); + + print_info("now booting... fallback\n"); + + /* Is this a CPU only reset? Or is this a secondary CPU? */ + 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(); + } + + // FIXME why is this executed again? ---> + sio_init(); + w83627ehg_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); + console_init(); + enable_rom_decode(); + // <--- FIXME why is this executed again? + + print_info("now booting... real_main\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\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(); + needs_reset |= optimize_link_incoherent_ht(sysinfo); + needs_reset |= k8t890_early_setup_ht(); + + if (needs_reset) { + print_debug("ht reset -\n"); + soft_reset(); + } + + /* the HT settings needs to be OK, because link freq chnage may cause HT disconnect */ + enable_fid_change(); + 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(); + sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo); + post_cache_as_ram(); +} |