coreboot-kgpe-d16/src/mainboard/tyan/s2850/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 "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 "northbridge/amd/amdk8/cpu_rev.c"
#include "superio/winbond/w83627hf/w83627hf_early_serial.c"
#include "cpu/amd/mtrr/amd_earlymtrr.c"
#include "cpu/x86/bist.h"

#define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)

static void hard_reset(void)
{
	set_bios_reset();

	/* enable cf9 */
	pci_write_config8(PCI_DEV(0, 0x02, 3), 0x41, 0xf1);
	/* reset */
	outb(0x0e, 0x0cf9);
}

static void soft_reset(void)
{
	set_bios_reset();
	pci_write_config8(PCI_DEV(0, 0x02, 0), 0x47, 1);
}

static void soft2_reset(void)
{  
        set_bios_reset();
        pci_write_config8(PCI_DEV(1, 0x02, 0), 0x47, 1);
}

#define REV_B_RESET 0
static void memreset_setup(void)
{
	if (is_cpu_pre_c0()) {
		outb((0 << 7) | (0 << 6) | (0 << 5) | (0 << 4) | (1 << 2) | (0 << 0), SMBUS_IO_BASE + 0xc0 + 16);	//REVC_MEMRST_EN=0
	} else {
		outb((0 << 7) | (0 << 6) | (0 << 5) | (0 << 4) | (1 << 2) | (1 << 0), SMBUS_IO_BASE + 0xc0 + 16);	//REVC_MEMRST_EN=1
	}
	outb((0 << 7) | (0 << 6) | (0 << 5) | (0 << 4) | (1 << 2) |
	     (0 << 0), SMBUS_IO_BASE + 0xc0 + 17);
}

static void memreset(int controllers, const struct mem_controller *ctrl)
{
	if (is_cpu_pre_c0()) {
		udelay(800);
		outb((0 << 7) | (0 << 6) | (0 << 5) | (0 << 4) | (1 << 2) | (1 << 0), SMBUS_IO_BASE + 0xc0 + 17);	//REVB_MEMRST_L=1
		udelay(90);
	}
}


static unsigned int generate_row(uint8_t node, uint8_t row,
				 uint8_t maxnodes)
{
	/* Routing Table Node i 
	 *
	 * F0: 0x40, 0x44, 0x48, 0x4c, 0x50, 0x54, 0x58, 0x5c 
	 *  i:    0,    1,    2,    3,    4,    5,    6,    7
	 *
	 * [ 0: 3] Request Route
	 *     [0] Route to this node
	 *     [1] Route to Link 0
	 *     [2] Route to Link 1
	 *     [3] Route to Link 2
	 * [11: 8] Response Route
	 *     [0] Route to this node
	 *     [1] Route to Link 0
	 *     [2] Route to Link 1
	 *     [3] Route to Link 2
	 * [19:16] Broadcast route
	 *     [0] Route to this node
	 *     [1] Route to Link 0
	 *     [2] Route to Link 1
	 *     [3] Route to Link 2
	 */

	uint32_t ret = 0x00010101;	/* default row entry */


	return ret;
}

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


static void main(unsigned long bist)
{
	/*
	 * GPIO28 of 8111 will control H0_MEMRESET_L
	 * GPIO29 of 8111 will control H1_MEMRESET_L
	 */
	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) | 2, 0, 0},
		 .channel1 = {(0xa << 3) | 1, (0xa << 3) | 3, 0, 0},
		 },
	};

	int needs_reset;
	unsigned nodeid;
        if (bist == 0) {
                /* Skip this if there was a built in self test failure */
                amd_early_mtrr_init();
                enable_lapic();
                init_timer();
        
		nodeid = lapicid() & 0xf;
                if (cpu_init_detected(nodeid)) {
                        asm volatile ("jmp __cpu_reset");
                }
                distinguish_cpu_resets(nodeid);
                if (!boot_cpu()) {
                        stop_this_cpu();
                }       
        }               
                        
        w83627hf_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]);
	dump_smbus_registers();
#endif

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

#if 0
	dump_pci_devices();
#endif
#if 0
	dump_pci_device(PCI_DEV(0, 0x18, 1));
#endif

	/* Check all of memory */
#if 0
	msr_t msr;
	msr = rdmsr(TOP_MEM2);
	print_debug("TOP_MEM2: ");
	print_debug_hex32(msr.hi);
	print_debug_hex32(msr.lo);
	print_debug("\r\n");
#endif
/*
#if  0
	ram_check(0x00000000, msr.lo+(msr.hi<<32));
#else
#if TOTAL_CPUS < 2
	// Check 16MB of memory @ 0
	ram_check(0x00000000, 0x01000000);
#else
	// Check 16MB of memory @ 2GB 
	ram_check(0x80000000, 0x81000000);
#endif
#endif
*/
}