src/mainboard/amd/solo/auto.c

#define ASSEMBLY 1
#include <stdint.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 <arch/cpu.h>
#include "option_table.h"
#include "pc80/mc146818rtc_early.c"
#include "pc80/serial.c"
#include "arch/i386/lib/console.c"
#include "ram/ramtest.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 <cpu/amd/model_fxx_rev.h>
#include "superio/nsc/pc87360/pc87360_early_serial.c"
#include "cpu/amd/mtrr/amd_earlymtrr.c"
#include "cpu/x86/bist.h"

#define SERIAL_DEV PNP_DEV(0x2e, PC87360_SP1)

static void hard_reset(void)
{
	set_bios_reset();

	/* enable cf9 */
	pci_write_config8(PCI_DEV(0, 0x05, 3), 0x41, 0xf1);
	/* reset */
	outb(0x0e, 0x0cf9);
}

static void soft_reset(void)
{
	set_bios_reset();
	pci_write_config8(PCI_DEV(0, 0x05, 0), 0x47, 1);
}

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 + 28);
		/* 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 + 29);
	} 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 + 29);
	}
}

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 + 28);
		udelay(90);
	}
}

static unsigned int generate_row(uint8_t node, uint8_t row,
				 uint8_t maxnodes)
{
	/* since the AMD Solo is a UP only machine, we can 
	 * always return the default row entry value
	 */
	return 0x00010101;	/* default row entry */
}

static inline void activate_spd_rom(const struct mem_controller *ctrl)
{
	/* nothing to do */
}

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/coherent_ht.c"
#include "northbridge/amd/amdk8/incoherent_ht.c"
#include "cpu/amd/dualcore/dualcore.c"
#include "sdram/generic_sdram.c"
#include "northbridge/amd/amdk8/resourcemap.c"

static void main(unsigned long bist)
{
	static const struct mem_controller cpu[] = {
		{
		 .node_id = 0,
		 .f0 = PCI_DEV(0, 0x18, 0),
		 .f1 = PCI_DEV(0, 0x18, 1),
		 .f2 = PCI_DEV(0, 0x18, 2),
		 .f3 = PCI_DEV(0, 0x18, 3),
		 .channel0 = {(0xa << 3) | 0, (0xa << 3) | 1, 0, 0},
		 .channel1 = {0, 0, 0, 0},
		 }
	};

	int needs_reset;
	unsigned nodeid;

	if (bist == 0) {
	    	k8_init_and_stop_secondaries();
	}

	/* Setup the console */
	pc87360_enable_serial(SERIAL_DEV, TTYS0_BASE);
	uart_init();
	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();
	needs_reset |= ht_setup_chain(PCI_DEV(0, 0x18, 0), 0x80);
	if (needs_reset) {
		print_info("ht reset -\r\n");
		soft_reset();
	}

#if 0
	print_pci_devices();
#endif
	enable_smbus();
#if 0
	dump_spd_registers(&cpu[0]);
#endif

	memreset_setup();
	sdram_initialize(sizeof(cpu) / sizeof(cpu[0]), cpu);

#if 0
	dump_pci_devices();
	dump_pci_device(PCI_DEV(0, 0x18, 2));

	/* Check the first 1M */
	ram_check(0x00000000, 0x000100000);
#endif
}