src/mainboard/broadcom/blast/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 #include <cpu/amd/model_fxx_rev.h>
  11 #include "northbridge/amd/amdk8/incoherent_ht.c"
  12 #include "southbridge/broadcom/bcm5785/bcm5785_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 "cpu/x86/lapic/boot_cpu.c"
  17 #include "northbridge/amd/amdk8/reset_test.c"
  18 #include "northbridge/amd/amdk8/debug.c"
  19 #include "superio/nsc/pc87417/pc87417_early_serial.c"
  20 #include "cpu/x86/mtrr/earlymtrr.c"
  21 #include "cpu/x86/bist.h"
  22 #include "northbridge/amd/amdk8/setup_resource_map.c"
  23 #include "southbridge/broadcom/bcm5785/bcm5785_early_setup.c"
  24
  25 #define SERIAL_DEV PNP_DEV(0x2e, PC87417_SP1)
  26 #define RTC_DEV PNP_DEV(0x2e, PC87417_RTC)
  27
  28 static void memreset_setup(void) { }
  29 static void memreset(int controllers, const struct mem_controller *ctrl) { }
  30
  31 static inline void activate_spd_rom(const struct mem_controller *ctrl)
  32 {
  33 #define SMBUS_HUB 0x71
  34         unsigned device=(ctrl->channel0[0])>>8;
  35         smbus_send_byte(SMBUS_HUB, device);
  36 }
  37
  38 #if 0
  39 static inline void change_i2c_mux(unsigned device)
  40 {
  41 #define SMBUS_HUB 0x71
  42         int ret;
  43         print_debug("change_i2c_mux i="); print_debug_hex8(device); print_debug("\n");
  44         ret = smbus_send_byte(SMBUS_HUB, device);
  45         print_debug("change_i2c_mux ret="); print_debug_hex32(ret); print_debug("\n");
  46 }
  47 #endif
  48
  49 static inline int spd_read_byte(unsigned device, unsigned address)
  50 {
  51         return smbus_read_byte(device, address);
  52 }
  53
  54 #include "northbridge/amd/amdk8/raminit.c"
  55 #include "northbridge/amd/amdk8/coherent_ht.c"
  56 #include "lib/generic_sdram.c"
  57 #include "resourcemap.c"
  58 #include "cpu/amd/dualcore/dualcore.c"
  59 #include <spd.h>
  60 #include "cpu/amd/car/post_cache_as_ram.c"
  61 #include "cpu/amd/model_fxx/init_cpus.c"
  62 #include "northbridge/amd/amdk8/early_ht.c"
  63
  64 #define RC0 (6<<8)
  65 #define RC1 (7<<8)
  66
  67 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
  68 {
  69         static const uint16_t spd_addr[] = {
  70                 RC0|DIMM0, RC0|DIMM2, 0, 0,
  71                 RC0|DIMM1, RC0|DIMM3, 0, 0,
  72                 RC1|DIMM0, RC1|DIMM2, 0, 0,
  73                 RC1|DIMM1, RC1|DIMM3, 0, 0,
  74         };
  75
  76         int needs_reset;
  77         unsigned bsp_apicid = 0, nodes;
  78         struct mem_controller ctrl[8];
  79
  80         if (!cpu_init_detectedx && boot_cpu()) {
  81                 /* Nothing special needs to be done to find bus 0 */
  82                 /* Allow the HT devices to be found */
  83                 enumerate_ht_chain();
  84                 bcm5785_enable_lpc();
  85                 pc87417_enable_dev(RTC_DEV); /* Enable RTC */
  86         }
  87
  88         if (bist == 0)
  89                 bsp_apicid = init_cpus(cpu_init_detectedx);
  90
  91         pc87417_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
  92         uart_init();
  93         console_init();
  94
  95         /* Halt if there was a built in self test failure */
  96         report_bist_failure(bist);
  97
  98         print_debug("bsp_apicid="); print_debug_hex8(bsp_apicid); print_debug("\n");
  99
 100         setup_blast_resource_map();
 101
 102 #if 0
 103         dump_pci_device(PCI_DEV(0, 0x18, 0));
 104         dump_pci_device(PCI_DEV(0, 0x19, 0));
 105 #endif
 106
 107         needs_reset = setup_coherent_ht_domain();
 108
 109 #if CONFIG_LOGICAL_CPUS==1
 110         // It is said that we should start core1 after all core0 launched
 111         wait_all_core0_started();
 112         start_other_cores();
 113 #endif
 114         wait_all_aps_started(bsp_apicid);
 115
 116         needs_reset |= ht_setup_chains_x();
 117
 118         bcm5785_early_setup();
 119
 120         if (needs_reset) {
 121                 print_info("ht reset -\n");
 122                 soft_reset();
 123         }
 124
 125         allow_all_aps_stop(bsp_apicid);
 126
 127         nodes = get_nodes();
 128         //It's the time to set ctrl now;
 129         fill_mem_ctrl(nodes, ctrl, spd_addr);
 130
 131         enable_smbus();
 132
 133 #if 0
 134         int i;
 135         for(i=4;i<8;i++) {
 136                 change_i2c_mux(i);
 137                 dump_smbus_registers();
 138         }
 139 #endif
 140
 141         memreset_setup();
 142
 143 //      init_timer();
 144
 145         sdram_initialize(nodes, ctrl);
 146
 147 #if 0
 148         print_pci_devices();
 149         dump_pci_devices();
 150 #endif
 151
 152         post_cache_as_ram();
 153 }