src/mainboard/msi/ms9282/romstage.c

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2006 AMD
   5  * Written by Yinghai Lu <yinghailu@amd.com> for AMD.
   6  *
   7  * Copyright (C) 2006 MSI
   8  * Written by Bingxun Shi <bingxunshi@gmail.com> for MSI.
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  23  */
  24
  25 #include <stdint.h>
  26 #include <string.h>
  27 #include <device/pci_def.h>
  28 #include <arch/io.h>
  29 #include <device/pnp_def.h>
  30 #include <arch/romcc_io.h>
  31 #include <cpu/x86/lapic.h>
  32 #include <pc80/mc146818rtc.h>
  33 #include <console/console.h>
  34 #include <cpu/amd/model_fxx_rev.h>
  35 #include "southbridge/nvidia/mcp55/mcp55_early_smbus.c"
  36 #include "northbridge/amd/amdk8/raminit.h"
  37 #include "cpu/amd/model_fxx/apic_timer.c"
  38 #include "lib/delay.c"
  39 #include "cpu/x86/lapic/boot_cpu.c"
  40 #include "northbridge/amd/amdk8/reset_test.c"
  41 #include "northbridge/amd/amdk8/debug.c"
  42 #include "superio/winbond/w83627ehg/w83627ehg_early_serial.c"
  43 #include "cpu/x86/mtrr/earlymtrr.c"
  44 #include "cpu/x86/bist.h"
  45 #include <spd.h>
  46 #include "northbridge/amd/amdk8/setup_resource_map.c"
  47 #include <device/pci_ids.h>
  48 #include "southbridge/nvidia/mcp55/mcp55_early_ctrl.c"
  49
  50 #define SERIAL_DEV PNP_DEV(0x2e, W83627EHG_SP1)
  51
  52 static void memreset(int controllers, const struct mem_controller *ctrl) { }
  53
  54 static inline void activate_spd_rom(const struct mem_controller *ctrl)
  55 {
  56 #define SMBUS_SWITCH1 0x70
  57 #define SMBUS_SWITCH2 0x72
  58         unsigned device=(ctrl->channel0[0])>>8;
  59         smbus_send_byte(SMBUS_SWITCH1, device);
  60         smbus_send_byte(SMBUS_SWITCH2, (device >> 4) & 0x0f);
  61 }
  62
  63 #if 0
  64 static inline void change_i2c_mux(unsigned device)
  65 {
  66 #define SMBUS_SWITCH1 0x70
  67 #define SMBUS_SWITHC2 0x72
  68         smbus_send_byte(SMBUS_SWITCH1, device & 0x0f);
  69         smbus_send_byte(SMBUS_SWITCH2, (device >> 4) & 0x0f);
  70 }
  71 #endif
  72
  73 static inline int spd_read_byte(unsigned device, unsigned address)
  74 {
  75        return smbus_read_byte(device, address);
  76 }
  77
  78 #include "northbridge/amd/amdk8/amdk8_f.h"
  79 #include "northbridge/amd/amdk8/incoherent_ht.c"
  80 #include "northbridge/amd/amdk8/coherent_ht.c"
  81 #include "northbridge/amd/amdk8/raminit_f.c"
  82 #include "lib/generic_sdram.c"
  83 #include "resourcemap.c"
  84 #include "cpu/amd/dualcore/dualcore.c"
  85 #include "southbridge/nvidia/mcp55/mcp55_early_setup_ss.h"
  86
  87 //set GPIO to input mode
  88 #define MCP55_MB_SETUP \
  89                 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+15, ~(0xff), ((0<<4)|(0<<2)|(0<<0)),/* M8,GPIO16, PCIXA_PRSNT2_L*/ \
  90                 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+44, ~(0xff), ((0<<4)|(0<<2)|(0<<0)),/* P5,GPIO45, PCIXA_PRSNT1_L*/ \
  91                 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+16, ~(0xff), ((0<<4)|(0<<2)|(0<<0)),/* K4,GPIO17, PCIXB_PRSNT1_L*/ \
  92                 RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+45, ~(0xff), ((0<<4)|(0<<2)|(0<<0)),/* P7,GPIO46, PCIXB_PRSNT2_L*/ \
  93
  94 #include "southbridge/nvidia/mcp55/mcp55_early_setup_car.c"
  95 #include "cpu/amd/car/post_cache_as_ram.c"
  96 #include "cpu/amd/model_fxx/init_cpus.c"
  97 // Disabled until it's actually used:
  98 // #include "cpu/amd/model_fxx/fidvid.c"
  99 #include "southbridge/nvidia/mcp55/mcp55_enable_rom.c"
 100 #include "northbridge/amd/amdk8/early_ht.c"
 101
 102 static void sio_setup(void)
 103 {
 104         uint32_t dword;
 105         uint8_t byte;
 106
 107         byte = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0x7b);
 108         byte |= 0x20;
 109         pci_write_config8(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0x7b, byte);
 110
 111         dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0xa0);
 112         dword |= (1<<0);
 113         pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE+1 , 0), 0xa0, dword);
 114 }
 115
 116 //CPU 1 mem is on SMBUS_HUB channel 2, and CPU 2 mem is on channel 1.
 117 #define RC0 (2<<8)
 118 #define RC1 (1<<8)
 119
 120 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 121 {
 122         static const uint16_t spd_addr[] = {
 123                 // Node 0
 124                 RC0|DIMM0, RC0|DIMM2, RC0|DIMM4, RC0|DIMM6,
 125                 RC0|DIMM1, RC0|DIMM3, RC0|DIMM5, RC0|DIMM7,
 126                 // node 1
 127                 RC1|DIMM0, RC1|DIMM2, RC1|DIMM4, RC1|DIMM6,
 128                 RC1|DIMM1, RC1|DIMM3, RC1|DIMM5, RC1|DIMM7,
 129         };
 130
 131         unsigned bsp_apicid = 0;
 132         int needs_reset;
 133         struct sys_info *sysinfo = (struct sys_info *)(CONFIG_DCACHE_RAM_BASE
 134                 + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
 135
 136         if (!cpu_init_detectedx && boot_cpu()) {
 137                 /* Nothing special needs to be done to find bus 0 */
 138                 /* Allow the HT devices to be found */
 139                 enumerate_ht_chain();
 140                 sio_setup();
 141                 mcp55_enable_rom();
 142         }
 143
 144         if (bist == 0) {
 145                //init_cpus(cpu_init_detectedx);
 146                bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo);
 147         }
 148
 149         w83627ehg_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
 150         uart_init();
 151         console_init();
 152
 153         /* Halt if there was a built in self test failure */
 154         report_bist_failure(bist);
 155
 156         setup_ms9282_resource_map();
 157
 158         setup_coherent_ht_domain();
 159
 160         wait_all_core0_started();
 161
 162 #if CONFIG_LOGICAL_CPUS==1
 163         // It is said that we should start core1 after all core0 launched
 164         start_other_cores();
 165         //wait_all_other_cores_started(bsp_apicid);
 166 #endif
 167         ht_setup_chains_x(sysinfo); // it will init sblnk and sbbusn, nodes, sbdn
 168
 169         init_timer(); /* Need to use TMICT to synconize FID/VID. */
 170
 171         needs_reset = optimize_link_coherent_ht();
 172         needs_reset |= optimize_link_incoherent_ht(sysinfo);
 173         needs_reset |= mcp55_early_setup_x();
 174         if (needs_reset) {
 175                 print_info("ht reset -\n");
 176                 soft_reset();
 177         }
 178
 179         //It's the time to set ctrl now;
 180         fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
 181
 182        enable_smbus();
 183
 184 #if 0
 185         int i;
 186         for(i=4;i<8;i++) {
 187                 change_i2c_mux(i);
 188                 dump_smbus_registers();
 189         }
 190 #endif
 191
 192        sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);
 193
 194        post_cache_as_ram();
 195 }