src/mainboard/arima/hdama/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 <cpu/x86/lapic.h>
   8 #include <pc80/mc146818rtc.h>
   9 #include <console/console.h>
  10
  11 #include <cpu/amd/model_fxx_rev.h>
  12 #include "northbridge/amd/amdk8/incoherent_ht.c"
  13 #include "southbridge/amd/amd8111/amd8111_early_smbus.c"
  14 #include "northbridge/amd/amdk8/raminit.h"
  15 #include "cpu/amd/model_fxx/apic_timer.c"
  16 #include "lib/delay.c"
  17
  18 #include "cpu/x86/lapic/boot_cpu.c"
  19 #include "northbridge/amd/amdk8/reset_test.c"
  20 #include "northbridge/amd/amdk8/debug.c"
  21 #include "superio/nsc/pc87360/pc87360_early_serial.c"
  22
  23 #include "cpu/x86/mtrr/earlymtrr.c"
  24 #include "cpu/x86/bist.h"
  25
  26 #include "northbridge/amd/amdk8/setup_resource_map.c"
  27
  28 #define SERIAL_DEV PNP_DEV(0x2e, PC87360_SP1)
  29
  30 #include "southbridge/amd/amd8111/amd8111_early_ctrl.c"
  31
  32 /*
  33  * GPIO28 of 8111 will control H0_MEMRESET_L
  34  * GPIO29 of 8111 will control H1_MEMRESET_L
  35  */
  36 static void memreset_setup(void)
  37 {
  38         if (is_cpu_pre_c0()) {
  39                 /* Set the memreset low */
  40                 outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 28);
  41                 /* Ensure the BIOS has control of the memory lines */
  42                 outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 29);
  43         }
  44         else {
  45                 /* Ensure the CPU has controll of the memory lines */
  46                 outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 29);
  47         }
  48 }
  49
  50 static void memreset(int controllers, const struct mem_controller *ctrl)
  51 {
  52         if (is_cpu_pre_c0()) {
  53                 udelay(800);
  54                 /* Set memreset_high */
  55                 outb((0<<7)|(0<<6)|(0<<5)|(0<<4)|(1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 28);
  56                 udelay(90);
  57         }
  58 }
  59
  60 static inline void activate_spd_rom(const struct mem_controller *ctrl)
  61 {
  62         /* nothing to do */
  63 }
  64
  65 static inline int spd_read_byte(unsigned device, unsigned address)
  66 {
  67         return smbus_read_byte(device, address);
  68 }
  69
  70
  71 #include "northbridge/amd/amdk8/raminit.c"
  72 #include "northbridge/amd/amdk8/resourcemap.c"
  73 #include "northbridge/amd/amdk8/coherent_ht.c"
  74 #include "lib/generic_sdram.c"
  75
  76 #if CONFIG_LOGICAL_CPUS==1
  77 #define SET_NB_CFG_54 1
  78 #endif
  79 #include "cpu/amd/dualcore/dualcore.c"
  80
  81 #include "cpu/amd/car/post_cache_as_ram.c"
  82
  83 #include "cpu/amd/model_fxx/init_cpus.c"
  84
  85 #include "southbridge/amd/amd8111/amd8111_enable_rom.c"
  86 #include "northbridge/amd/amdk8/early_ht.c"
  87
  88 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
  89 {
  90         static const uint16_t spd_addr [] = {
  91                 (0xa<<3)|0, (0xa<<3)|2, 0, 0,
  92                 (0xa<<3)|1, (0xa<<3)|3, 0, 0,
  93 #if CONFIG_MAX_PHYSICAL_CPUS > 1
  94                 (0xa<<3)|4, (0xa<<3)|6, 0, 0,
  95                 (0xa<<3)|5, (0xa<<3)|7, 0, 0,
  96 #endif
  97         };
  98
  99         int needs_reset;
 100         unsigned bsp_apicid = 0;
 101         struct mem_controller ctrl[8];
 102         unsigned nodes;
 103
 104         if (!cpu_init_detectedx && boot_cpu()) {
 105                 /* Nothing special needs to be done to find bus 0 */
 106                 /* Allow the HT devices to be found */
 107
 108                 enumerate_ht_chain();
 109
 110                 amd8111_enable_rom();
 111         }
 112
 113         if (bist == 0) {
 114                 bsp_apicid = init_cpus(cpu_init_detectedx);
 115         }
 116
 117         pc87360_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
 118         uart_init();
 119         console_init();
 120
 121         /* Halt if there was a built in self test failure */
 122         report_bist_failure(bist);
 123
 124         setup_default_resource_map();
 125
 126         needs_reset = setup_coherent_ht_domain();
 127
 128 #if CONFIG_LOGICAL_CPUS==1
 129         // It is said that we should start core1 after all core0 launched
 130         start_other_cores();
 131         wait_all_other_cores_started(bsp_apicid);
 132 #endif
 133         /* This is needed to be able to call udelay().  It could be moved to
 134          * memreset_setup, since udelay is called in memreset. */
 135         init_timer();
 136
 137         // automatically set that for you, but you might meet tight space
 138         needs_reset |= ht_setup_chains_x();
 139
 140         if (needs_reset) {
 141                 print_info("ht reset -\n");
 142                 soft_reset();
 143         }
 144
 145         allow_all_aps_stop(bsp_apicid);
 146
 147         nodes = get_nodes();
 148
 149         fill_mem_ctrl(nodes, ctrl, spd_addr);
 150
 151         enable_smbus();
 152
 153         memreset_setup();
 154
 155         sdram_initialize(nodes, ctrl);
 156
 157         post_cache_as_ram();
 158 }
 159