src/mainboard/lippert/frontrunner/romstage.c

   1 #include <stdint.h>
   2 #include <device/pci_def.h>
   3 #include <arch/io.h>
   4 #include <device/pnp_def.h>
   5 #include <arch/hlt.h>
   6 #include <console/console.h>
   7 #include "lib/ramtest.c"
   8 #include "superio/winbond/w83627hf/w83627hf_early_serial.c"
   9 #include "cpu/x86/bist.h"
  10 #include "cpu/x86/msr.h"
  11 #include <cpu/amd/gx2def.h>
  12 #include <cpu/amd/geode_post_code.h>
  13 #include "southbridge/amd/cs5535/cs5535.h"
  14
  15 #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
  16
  17 #include "southbridge/amd/cs5535/cs5535_early_smbus.c"
  18 #include "southbridge/amd/cs5535/cs5535_early_setup.c"
  19 #include "northbridge/amd/gx2/raminit.h"
  20
  21 /* this has to be done on a per-mainboard basis, esp. if you don't have smbus */
  22 static void sdram_set_spd_registers(const struct mem_controller *ctrl)
  23 {
  24         msr_t msr;
  25         /* 1. Initialize GLMC registers base on SPD values,
  26          * Hard coded as XpressROM for now */
  27         //print_debug("sdram_enable step 1\n");
  28         msr = rdmsr(0x20000018);
  29         msr.hi = 0x10076013;
  30         msr.lo = 0x3400;
  31         wrmsr(0x20000018, msr);
  32
  33         msr = rdmsr(0x20000019);
  34         msr.hi = 0x18000008;
  35         msr.lo = 0x696332a3;
  36         wrmsr(0x20000019, msr);
  37
  38 }
  39
  40 #include "northbridge/amd/gx2/raminit.c"
  41 #include "lib/generic_sdram.c"
  42
  43 #define PLLMSRhi 0x00000226
  44 #define PLLMSRlo 0x00000008
  45 #define PLLMSRlo1 ((0xde << 16) | (1 << 26) | (1 << 24))
  46 #define PLLMSRlo2 ((1<<14) |(1<<13) | (1<<0))
  47 #include "northbridge/amd/gx2/pll_reset.c"
  48 #include "cpu/amd/model_gx2/cpureginit.c"
  49 #include "cpu/amd/model_gx2/syspreinit.c"
  50 #include "cpu/amd/model_lx/msrinit.c"
  51
  52 void main(unsigned long bist)
  53 {
  54         static const struct mem_controller memctrl [] = {
  55                 {.channel0 = {(0xa<<3)|0, (0xa<<3)|1}}
  56         };
  57         unsigned char temp;
  58         SystemPreInit();
  59         msr_init();
  60
  61         w83627hf_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
  62         uart_init();
  63         console_init();
  64
  65         cs5535_early_setup();
  66         print_err("done cs5535 early\n");
  67
  68         /* Halt if there was a built in self test failure */
  69         report_bist_failure(bist);
  70
  71         pll_reset();
  72         print_err("done pll_reset\n");
  73
  74         cpuRegInit();
  75         print_err("done cpuRegInit\n");
  76
  77         sdram_initialize(1, memctrl);
  78
  79         print_err("Done sdram_initialize\n");
  80         print_err("Disable watchdog\n");
  81         outb( 0x87, 0x4E);                            //enter SuperIO configuration mode
  82         outb( 0x87, 0x4E);
  83
  84         outb(0x20, 0x4e);
  85         temp = inb(0x4f);
  86         print_debug_hex8(temp);
  87         if (temp != 0x52){
  88                 print_err("CAN NOT READ SUPERIO VID\n");
  89         }
  90
  91         outb(0x29, 0x4e);
  92         outb(0x7c, 0x4f);
  93
  94         outb( 0x07, 0x4E);                            //enable logical device 9
  95         outb( 0x09, 0x4F);
  96         outb(0x30, 0x4e);
  97         outb(1, 0x4f);
  98         outb( 0xF0, 0x4E);                            //set GP33 as outbut in configuration register F0h     Bit4 = \u20180\u2019
  99         outb( 0xC7, 0x4F);
 100         outb( 0xF1, 0x4E);                            //clr GP33 (Bit4) value in cofiguration register F1h to \u20181\u2019 disables
 101         temp = inb(0x4F);                            //watchdog function. Make sure to let the other Bits unchanged!
 102         print_debug_hex8(temp);print_debug(":");
 103         temp = temp & ~8;
 104         outb( temp, 0x4F);
 105         temp = inb(0x4F);                            //watchdog function. Make sure to let the other Bits unchanged!
 106         print_debug_hex8(temp);print_debug("\n");
 107         /* Check all of memory */
 108 //      ram_check(0, 16384);
 109         ram_check(0x20000, 0x24000);
 110 //      ram_check(0x00000000, 640*1024);
 111
 112 }
 113