src/mainboard/ibm/e325/romstage.c

   1 #include <stdint.h>
   2 #include <string.h>
   3 #include <device/pci_def.h>
   4 #include <arch/io.h>
   5 #include <device/pnp_def.h>
   6 #include <arch/romcc_io.h>
   7 #include <stdlib.h>
   8 #include <pc80/mc146818rtc.h>
   9 #include <console/console.h>
  10 #include <cpu/amd/model_fxx_rev.h>
  11 #include "northbridge/amd/amdk8/incoherent_ht.c"
  12 #include "southbridge/amd/amd8111/early_smbus.c"
  13 #include "northbridge/amd/amdk8/raminit.h"
  14 #include "cpu/amd/model_fxx/apic_timer.c"
  15 #include "lib/delay.c"
  16 #include "northbridge/amd/amdk8/reset_test.c"
  17 #include "northbridge/amd/amdk8/debug.c"
  18 #include "superio/nsc/pc87366/early_serial.c"
  19 #include "cpu/x86/mtrr/earlymtrr.c"
  20 #include "cpu/x86/bist.h"
  21 #include "northbridge/amd/amdk8/setup_resource_map.c"
  22 #include <spd.h>
  23 #include "southbridge/amd/amd8111/early_ctrl.c"
  24
  25 #define SERIAL_DEV PNP_DEV(0x2e, PC87366_SP1)
  26
  27 static void memreset_setup(void)
  28 {
  29         if (is_cpu_pre_c0()) {
  30                 /* Set the memreset low. */
  31                 outb((1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 16);
  32                 /* Ensure the BIOS has control of the memory lines. */
  33                 outb((1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 17);
  34         } else {
  35                 /* Ensure the CPU has control of the memory lines. */
  36                 outb((1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 17);
  37         }
  38 }
  39
  40 static void memreset(int controllers, const struct mem_controller *ctrl)
  41 {
  42         if (is_cpu_pre_c0()) {
  43                 udelay(800);
  44                 /* Set memreset high. */
  45                 outb((1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 16);
  46                 udelay(90);
  47         }
  48 }
  49
  50 static void activate_spd_rom(const struct mem_controller *ctrl) { }
  51
  52 static inline int spd_read_byte(unsigned device, unsigned address)
  53 {
  54         return smbus_read_byte(device, address);
  55 }
  56
  57 #include "northbridge/amd/amdk8/raminit.c"
  58 #include "resourcemap.c"
  59 #include "northbridge/amd/amdk8/coherent_ht.c"
  60 #include "lib/generic_sdram.c"
  61 #include "cpu/amd/dualcore/dualcore.c"
  62 #include "cpu/amd/car/post_cache_as_ram.c"
  63 #include "cpu/amd/model_fxx/init_cpus.c"
  64
  65 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
  66 {
  67         static const struct mem_controller cpu[] = {
  68                 {
  69                         .node_id = 0,
  70                         .f0 = PCI_DEV(0, 0x18, 0),
  71                         .f1 = PCI_DEV(0, 0x18, 1),
  72                         .f2 = PCI_DEV(0, 0x18, 2),
  73                         .f3 = PCI_DEV(0, 0x18, 3),
  74                         .channel0 = { DIMM0, DIMM2, 0, 0 },
  75                         .channel1 = { DIMM1, DIMM3, 0, 0 },
  76                 },
  77 #if CONFIG_MAX_PHYSICAL_CPUS > 1
  78                 {
  79                         .node_id = 1,
  80                         .f0 = PCI_DEV(0, 0x19, 0),
  81                         .f1 = PCI_DEV(0, 0x19, 1),
  82                         .f2 = PCI_DEV(0, 0x19, 2),
  83                         .f3 = PCI_DEV(0, 0x19, 3),
  84                         .channel0 = { DIMM4, DIMM6, 0, 0 },
  85                         .channel1 = { DIMM5, DIMM7, 0, 0 },
  86                 },
  87 #endif
  88         };
  89
  90         int needs_reset;
  91
  92         if (bist == 0)
  93                 init_cpus(cpu_init_detectedx);
  94
  95         pc87366_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
  96         console_init();
  97
  98         /* Halt if there was a built in self test failure */
  99         report_bist_failure(bist);
 100
 101         setup_ibm_e325_resource_map();
 102
 103         needs_reset = setup_coherent_ht_domain();
 104
 105 #if CONFIG_LOGICAL_CPUS==1
 106         // It is said that we should start core1 after all core0 launched
 107         start_other_cores();
 108 #endif
 109         // automatically set that for you, but you might meet tight space
 110         needs_reset |= ht_setup_chains_x();
 111
 112         if (needs_reset) {
 113                 print_info("ht reset -\n");
 114                 soft_reset();
 115         }
 116
 117         enable_smbus();
 118
 119         memreset_setup();
 120         sdram_initialize(ARRAY_SIZE(cpu), cpu);
 121
 122         post_cache_as_ram();
 123 }