src/mainboard/hp/dl145_g1/romstage.c

#include <stdint.h>
#include <string.h>
#include <device/pci_def.h>
#include <arch/io.h>
#include <device/pnp_def.h>
#include <arch/romcc_io.h>
#include <cpu/x86/lapic.h>
#include <pc80/mc146818rtc.h>
#include <console/console.h>

#include <cpu/amd/model_fxx_rev.h>

#include "northbridge/amd/amdk8/incoherent_ht.c"
#include "southbridge/amd/amd8111/amd8111_early_smbus.c"
#include "northbridge/amd/amdk8/raminit.h"
#include "cpu/amd/model_fxx/apic_timer.c"
#include "lib/delay.c"

#include "cpu/x86/lapic/boot_cpu.c"
#include "northbridge/amd/amdk8/reset_test.c"
#include "northbridge/amd/amdk8/debug.c"
#include "superio/winbond/w83627hf/w83627hf_early_serial.c"

#include "cpu/x86/mtrr/earlymtrr.c"
#include "cpu/x86/bist.h"

#include "northbridge/amd/amdk8/setup_resource_map.c"

#define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)

#include "southbridge/amd/amd8111/amd8111_early_ctrl.c"

static void memreset_setup(void)
{
   if (is_cpu_pre_c0()) {
      /* Set the memreset low */
      outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 16);
      /* Ensure the BIOS has control of the memory lines */
      outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 17);
   } else {
      /* Ensure the CPU has controll of the memory lines */
      outb((0 << 7)|(0 << 6)|(0<<5)|(0<<4)|(1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 17);
   }
}

static void memreset(int controllers, const struct mem_controller *ctrl)
{
   if (is_cpu_pre_c0()) {
      udelay(800);
      /* Set memreset_high */
      outb((0<<7)|(0<<6)|(0<<5)|(0<<4)|(1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 16);
      udelay(90);
   }
}

#define SMBUS_HUB 0x18

static inline void activate_spd_rom(const struct mem_controller *ctrl)
{
  int ret,i;
  unsigned device=(ctrl->channel0[0])>>8;
  /* the very first write always get COL_STS=1 and ABRT_STS=1, so try another time*/
  i=2;
  do {
    ret = smbus_write_byte(SMBUS_HUB, 0x01, device);
  } while ((ret!=0) && (i-->0));

  smbus_write_byte(SMBUS_HUB, 0x03, 0);
}

static inline void change_i2c_mux(unsigned device)
{
  int ret, i;
  print_debug("change_i2c_mux i="); print_debug_hex8(device); print_debug("\n");
  i=2;
  do {
    ret = smbus_write_byte(SMBUS_HUB, 0x01, device);
    print_debug("change_i2c_mux 1 ret="); print_debug_hex32(ret); print_debug("\n");
  } while ((ret!=0) && (i-->0));
  ret = smbus_write_byte(SMBUS_HUB, 0x03, 0);
  print_debug("change_i2c_mux 2 ret="); print_debug_hex32(ret); print_debug("\n");
}

static inline int spd_read_byte(unsigned device, unsigned address)
{
	return smbus_read_byte(device, address);
}

#include "northbridge/amd/amdk8/raminit.c"
#include "resourcemap.c"
#include "northbridge/amd/amdk8/coherent_ht.c"
#include "lib/generic_sdram.c"

#include "cpu/amd/dualcore/dualcore.c"
#include <spd.h>

#define RC0 ((1<<1)<<8) // Not sure about these values
#define RC1 ((1<<2)<<8) // Not sure about these values

#include "cpu/amd/car/post_cache_as_ram.c"

#include "cpu/amd/model_fxx/init_cpus.c"

#include "southbridge/amd/amd8111/amd8111_enable_rom.c"
#include "northbridge/amd/amdk8/early_ht.c"


void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
	static const uint16_t spd_addr [] = {
			//first node
			RC0|DIMM0, RC0|DIMM2, 0, 0,
			RC0|DIMM1, RC0|DIMM3, 0, 0,
#if CONFIG_MAX_PHYSICAL_CPUS > 1
			//second node
			RC1|DIMM0, RC1|DIMM2, 0, 0,
			RC1|DIMM1, RC1|DIMM3, 0, 0,
#endif
	};

        int needs_reset;
        unsigned bsp_apicid = 0;

        struct mem_controller ctrl[8];
        unsigned nodes;

        if (!cpu_init_detectedx && boot_cpu()) {
		/* Nothing special needs to be done to find bus 0 */
		/* Allow the HT devices to be found */

		enumerate_ht_chain();

		/* Setup the amd8111 */
		amd8111_enable_rom();
        }

        if (bist == 0) {
                bsp_apicid = init_cpus(cpu_init_detectedx);
        }

//	post_code(0x32);

 	w83627hf_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
        uart_init();
        console_init();

	/* Halt if there was a built in self test failure */
	report_bist_failure(bist);

	setup_dl145g1_resource_map();
	//setup_default_resource_map();

	needs_reset = setup_coherent_ht_domain();

        wait_all_core0_started();
#if CONFIG_LOGICAL_CPUS==1
        // It is said that we should start core1 after all core0 launched
        start_other_cores();
        wait_all_other_cores_started(bsp_apicid);
#endif

        needs_reset |= ht_setup_chains_x();

       	if (needs_reset) {
               	print_info("ht reset -\n");
               	soft_reset();
       	}

	enable_smbus();

	int i;
	for(i=0;i<2;i++) {
		activate_spd_rom(&ctrl[i]);
	}
	for(i=2;i<8;i<<=1) {
		change_i2c_mux(i);
	}

	//dump_spd_registers(&ctrl[0]);
	//dump_spd_registers(&ctrl[1]);
	//dump_smbus_registers();

        allow_all_aps_stop(bsp_apicid);

        nodes = get_nodes();
        //It's the time to set ctrl now;
        fill_mem_ctrl(nodes, ctrl, spd_addr);

        memreset_setup();
        sdram_initialize(nodes, ctrl);

	//dump_pci_devices();

	post_cache_as_ram();
}