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#define ASSEMBLY 1
#include <stdint.h>
#include <device/pci_def.h>
#include <cpu/p6/apic.h>
#include <arch/io.h>
#include <device/pnp.h>
#include <arch/romcc_io.h>
#include "pc80/serial.c"
#include "arch/i386/lib/console.c"
#include "ram/ramtest.c"
#include "northbridge/amd/amdk8/early_ht.c"
#include "southbridge/amd/amd8111/amd8111_early_smbus.c"
#include "northbridge/amd/amdk8/raminit.h"
#include "cpu/k8/apic_timer.c"
#include "lib/delay.c"
#include "cpu/p6/boot_cpu.c"
#include "northbridge/amd/amdk8/reset_test.c"
#include "debug.c"
#include "northbridge/amd/amdk8/cpu_rev.c"
#define SIO_BASE 0x2e
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 here */
}
static inline int spd_read_byte(unsigned device, unsigned address)
{
return smbus_read_byte(device, address);
}
/* no specific code here. this should go away completely */
static void coherent_ht_mainboard(unsigned cpus)
{
}
#include "northbridge/amd/amdk8/raminit.c"
#include "northbridge/amd/amdk8/coherent_ht.c"
#include "sdram/generic_sdram.c"
static void enable_lapic(void)
{
msr_t msr;
msr = rdmsr(0x1b);
msr.hi &= 0xffffff00;
msr.lo &= 0x000007ff;
msr.lo |= APIC_DEFAULT_BASE | (1 << 11);
wrmsr(0x1b, msr);
}
static void stop_this_cpu(void)
{
unsigned apicid;
apicid = apic_read(APIC_ID) >> 24;
/* Send an APIC INIT to myself */
apic_write(APIC_ICR2, SET_APIC_DEST_FIELD(apicid));
apic_write(APIC_ICR, APIC_INT_LEVELTRIG | APIC_INT_ASSERT | APIC_DM_INIT);
/* Wait for the ipi send to finish */
apic_wait_icr_idle();
/* Deassert the APIC INIT */
apic_write(APIC_ICR2, SET_APIC_DEST_FIELD(apicid));
apic_write(APIC_ICR, APIC_INT_LEVELTRIG | APIC_DM_INIT);
/* Wait for the ipi send to finish */
apic_wait_icr_idle();
/* If I haven't halted spin forever */
for(;;) {
hlt();
}
}
#define PC87360_FDC 0x00
#define PC87360_PP 0x01
#define PC87360_SP2 0x02
#define PC87360_SP1 0x03
#define PC87360_SWC 0x04
#define PC87360_KBCM 0x05
#define PC87360_KBCK 0x06
#define PC87360_GPIO 0x07
#define PC87360_ACB 0x08
#define PC87360_FSCM 0x09
#define PC87360_WDT 0x0A
/* FIXME: Do we really need this on Solo boards? */
static void pc87360_enable_serial(void)
{
pnp_set_logical_device(SIO_BASE, PC87360_SP1);
pnp_set_enable(SIO_BASE, 1);
pnp_set_iobase0(SIO_BASE, 0x3f8);
}
static void main(void)
{
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 },
}
};
if (cpu_init_detected()) {
asm("jmp __cpu_reset");
}
enable_lapic();
init_timer();
#if 0
/* Enabling this will make romcc segfault - 2003/10/13 */
if (!boot_cpu()) {
print_err("This LinuxBIOS image is built for UP only.\n");
}
#endif
pc87360_enable_serial();
uart_init();
console_init();
setup_default_resource_map();
setup_coherent_ht_domain();
enumerate_ht_chain(0);
distinguish_cpu_resets(0);
#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();
#endif
#if 0
dump_pci_device(PCI_DEV(0, 0x18, 2));
#endif
/* Check all of memory */
#if 0
msr_t msr;
msr = rdmsr(TOP_MEM);
print_debug("TOP_MEM: ");
print_debug_hex32(msr.hi);
print_debug_hex32(msr.lo);
print_debug("\r\n");
#endif
#if 0
ram_check(0x00000000, msr.lo);
#endif
#if 0
static const struct {
unsigned long lo, hi;
} check_addrs[] = {
/* Check 16MB of memory @ 0*/
{ 0x00000000, 0x01000000 },
};
int i;
for(i = 0; i < sizeof(check_addrs)/sizeof(check_addrs[0]); i++) {
ram_check(check_addrs[i].lo, check_addrs[i].hi);
}
#endif
}
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