src/mainboard/arima/hdama/romstage.c

#include <stdint.h>
#include <string.h>
#include <device/pci_def.h>
#include <arch/io.h>
#include <device/pnp_def.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/early_smbus.c"
#include "northbridge/amd/amdk8/raminit.h"
#include "lib/delay.c"
#include "northbridge/amd/amdk8/reset_test.c"
#include "northbridge/amd/amdk8/debug.c"
#include "superio/nsc/pc87360/early_serial.c"
#include "cpu/x86/mtrr/earlymtrr.c"
#include "cpu/x86/bist.h"
#include "northbridge/amd/amdk8/setup_resource_map.c"
#include <spd.h>
#include "southbridge/amd/amd8111/early_ctrl.c"

#define SERIAL_DEV PNP_DEV(0x2e, PC87360_SP1)

/*
 * GPIO28 of 8111 will control H0_MEMRESET_L
 * GPIO29 of 8111 will control H1_MEMRESET_L
 */
static void memreset_setup(void)
{
	if (is_cpu_pre_c0()) {
		/* Set the memreset low. */
		outb((1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 28);
		/* Ensure the BIOS has control of the memory lines. */
		outb((1<<2)|(0<<0), SMBUS_IO_BASE + 0xc0 + 29);
	} else {
		/* Ensure the CPU has control of the memory lines. */
		outb((1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 29);
	}
}

static void memreset(int controllers, const struct mem_controller *ctrl)
{
	if (is_cpu_pre_c0()) {
		udelay(800);
		/* Set memreset high. */
		outb((1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 28);
		udelay(90);
	}
}

static void activate_spd_rom(const struct mem_controller *ctrl) { }

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

#include "northbridge/amd/amdk8/raminit.c"
#include "northbridge/amd/amdk8/resourcemap.c"
#include "northbridge/amd/amdk8/coherent_ht.c"
#include "lib/generic_sdram.c"
#include "cpu/amd/dualcore/dualcore.c"
#include "cpu/amd/car/post_cache_as_ram.c"
#include "cpu/amd/model_fxx/init_cpus.c"

void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
	static const uint16_t spd_addr [] = {
		DIMM0, DIMM2, 0, 0,
		DIMM1, DIMM3, 0, 0,
#if CONFIG_MAX_PHYSICAL_CPUS > 1
		DIMM4, DIMM6, 0, 0,
		DIMM5, DIMM7, 0, 0,
#endif
	};

	int needs_reset;
	unsigned bsp_apicid = 0, nodes;
	struct mem_controller ctrl[8];

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

	pc87360_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
	console_init();

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

	setup_default_resource_map();

	needs_reset = setup_coherent_ht_domain();

#if CONFIG_LOGICAL_CPUS
	// It is said that we should start core1 after all core0 launched
	start_other_cores();
	wait_all_other_cores_started(bsp_apicid);
#endif
	/* This is needed to be able to call udelay().  It could be moved to
	 * memreset_setup, since udelay is called in memreset. */
	init_timer();

	// automatically set that for you, but you might meet tight space
	needs_reset |= ht_setup_chains_x();

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

	allow_all_aps_stop(bsp_apicid);

	nodes = get_nodes();

	fill_mem_ctrl(nodes, ctrl, spd_addr);

	enable_smbus();

	memreset_setup();

	sdram_initialize(nodes, ctrl);

	post_cache_as_ram();
}