diff options
Diffstat (limited to 'src/mainboard/asrock/939a785gmh/romstage.c')
-rw-r--r-- | src/mainboard/asrock/939a785gmh/romstage.c | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/src/mainboard/asrock/939a785gmh/romstage.c b/src/mainboard/asrock/939a785gmh/romstage.c new file mode 100644 index 0000000000..576a48e580 --- /dev/null +++ b/src/mainboard/asrock/939a785gmh/romstage.c @@ -0,0 +1,248 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2010 Advanced Micro Devices, Inc. + * Copyright (C) 2010 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; version 2 of the License. + * + * 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 RAMINIT_SYSINFO 1 +#define K8_SET_FIDVID 1 +#define QRANK_DIMM_SUPPORT 1 +#if CONFIG_LOGICAL_CPUS==1 +#define SET_NB_CFG_54 1 +#endif + +#define RC0 (6<<8) +#define RC1 (7<<8) + +#define DIMM0 0x50 +#define DIMM1 0x51 + +#define ICS951462_ADDRESS 0x69 +#define SMBUS_HUB 0x71 + +#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 "console/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 "superio/winbond/w83627dhg/w83627dhg_early_serial.c" + +#include "cpu/amd/mtrr/amd_earlymtrr.c" +#include "cpu/x86/bist.h" + +#include "northbridge/amd/amdk8/setup_resource_map.c" + +#include "southbridge/amd/rs780/rs780_early_setup.c" +#include "southbridge/amd/sb700/sb700_early_setup.c" +#include "northbridge/amd/amdk8/debug.c" /* After sb700_early_setup.c! */ + +#define SERIAL_DEV PNP_DEV(0x2e, W83627DHG_SP1) +#define GPIO6_DEV PNP_DEV(0x2e, W83627DHG_GPIO6) +#define GPIO2345_DEV PNP_DEV(0x2e, W83627DHG_GPIO2345) + +/* CAN'T BE REMOVED! crt0.S will use it. I don't know WHY!*/ +static void memreset(int controllers, const struct mem_controller *ctrl) +{ +} + +/* called in raminit_f.c */ +static inline void activate_spd_rom(const struct mem_controller *ctrl) +{ +} + +/*called in raminit_f.c */ +static inline int spd_read_byte(u32 device, u32 address) +{ + return smbus_read_byte(device, address); +} + +#include "northbridge/amd/amdk8/amdk8.h" +#include "northbridge/amd/amdk8/incoherent_ht.c" +#include "northbridge/amd/amdk8/raminit.c" +#include "northbridge/amd/amdk8/coherent_ht.c" +#include "lib/generic_sdram.c" +#include "resourcemap.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" + +#include "cpu/amd/model_fxx/fidvid.c" + +#include "northbridge/amd/amdk8/early_ht.c" + +void sio_init(void) +{ + u8 reg; + + pnp_enter_ext_func_mode(GPIO2345_DEV); + pnp_set_logical_device(GPIO2345_DEV); + + /* Pin 119 ~ 120 GP21, GP20 */ + reg = pnp_read_config(GPIO2345_DEV, 0x29); + pnp_write_config(GPIO2345_DEV, 0x29, (reg | 2)); + + /* todo document this */ + pnp_write_config(GPIO2345_DEV, 0x2c, 0x1); + pnp_write_config(GPIO2345_DEV, 0x2d, 0x1); + + +//idx 30 e0 e1 e2 e3 e4 e5 e6 e7 e8 e9 f0 f1 f2 f3 f4 f5 f6 f7 fe +//val 07 XX XX XX f6 0e 00 00 00 00 ff d6 96 00 40 d0 83 00 00 07 + +//GPO20 - 1 = 1.82 0 = 1.92 sideport voltage +//mGPUV GPO40 | GPO41 | GPIO23 - 000 - 1.45V step 0.05 -- 111 - 1.10V +//DDR voltage 44 45 46 + + /* GPO20 - sideport voltage GPO23 - mgpuV */ + pnp_write_config(GPIO2345_DEV, 0x30, 0x07); /* Enable GPIO 2,3,4. */ + pnp_write_config(GPIO2345_DEV, 0xe3, 0xf6); /* dir of GPIO2 11110110*/ + pnp_write_config(GPIO2345_DEV, 0xe4, 0x0e); /* data */ + pnp_write_config(GPIO2345_DEV, 0xe5, 0x00); /* No inversion */ + + /* GPO30 GPO33 GPO35 */ + //GPO35 - loadline control 0 - enabled + //GPIO30 - unknown + //GPIO33 - unknown + pnp_write_config(GPIO2345_DEV, 0xf0, 0xd6); /* dir of GPIO3 11010110*/ + pnp_write_config(GPIO2345_DEV, 0xf1, 0x96); /* data */ + pnp_write_config(GPIO2345_DEV, 0xf2, 0x00); /* No inversion */ + + /* GPO40 GPO41 GPO42 GPO43 PO45 */ + pnp_write_config(GPIO2345_DEV, 0xf4, 0xd0); /* dir of GPIO4 11010000 */ + pnp_write_config(GPIO2345_DEV, 0xf5, 0x83); /* data */ + pnp_write_config(GPIO2345_DEV, 0xf6, 0x00); /* No inversion */ + + pnp_write_config(GPIO2345_DEV, 0xf7, 0x00); /* MFC */ + pnp_write_config(GPIO2345_DEV, 0xf8, 0x00); /* MFC */ + pnp_write_config(GPIO2345_DEV, 0xfe, 0x07); /* trig type */ + pnp_exit_ext_func_mode(GPIO2345_DEV); +} + +void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) +{ + static const u16 spd_addr[] = { DIMM0, 0, 0, 0, DIMM1, 0, 0, 0, }; + int needs_reset = 0; + u32 bsp_apicid = 0; + msr_t msr; + struct cpuid_result cpuid1; + struct sys_info *sysinfo = (struct sys_info *)(CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); + + 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(); + + /* sb700_lpc_port80(); */ + sb700_pci_port80(); + } + + if (bist == 0) { + bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo); + } + + enable_rs780_dev8(); + sb700_lpc_init(); + + sio_init(); + w83627dhg_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); + printk(BIOS_DEBUG, "bsp_apicid=0x%x\n", bsp_apicid); + + setup_939a785gmh_resource_map(); + + setup_coherent_ht_domain(); + +#if CONFIG_LOGICAL_CPUS==1 + /* It is said that we should start core1 after all core0 launched */ + wait_all_core0_started(); + start_other_cores(); +#endif + wait_all_aps_started(bsp_apicid); + + ht_setup_chains_x(sysinfo); + + /* run _early_setup before soft-reset. */ + rs780_early_setup(); + sb700_early_setup(); + + /* Check to see if processor is capable of changing FIDVID */ + /* otherwise it will throw a GP# when reading FIDVID_STATUS */ + cpuid1 = cpuid(0x80000007); + if( (cpuid1.edx & 0x6) == 0x6 ) { + + /* Read FIDVID_STATUS */ + msr=rdmsr(0xc0010042); + printk(BIOS_DEBUG, "begin msr fid, vid: hi=0x%x, lo=0x%x\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=rdmsr(0xc0010042); + printk(BIOS_DEBUG, "end msr fid, vid: hi=0x%x, lo=0x%x\n", msr.hi, msr.lo); + + } else { + printk(BIOS_DEBUG, "Changing FIDVID not supported\n"); + } + + needs_reset = optimize_link_coherent_ht(); + needs_reset |= optimize_link_incoherent_ht(sysinfo); + rs780_htinit(); + printk(BIOS_DEBUG, "needs_reset=0x%x\n", needs_reset); + + if (needs_reset) { + print_info("ht reset -\n"); + soft_reset(); + } + + allow_all_aps_stop(bsp_apicid); + + /* It's the time to set ctrl now; */ + printk(BIOS_DEBUG, "sysinfo->nodes: %2x sysinfo->ctrl: %p spd_addr: %p\n", + sysinfo->nodes, sysinfo->ctrl, spd_addr); + fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr); + sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo); + + rs780_before_pci_init(); + sb700_before_pci_init(); + + post_cache_as_ram(); +} + |