#define ASSEMBLY 1
-#define MAXIMUM_CONSOLE_LOGLEVEL 9
-#define DEFAULT_CONSOLE_LOGLEVEL 9
-
#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 <arch/smp/lapic.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/early_ht.c"
+#include "northbridge/amd/amdk8/incoherent_ht.c"
#include "southbridge/amd/amd8111/amd8111_early_smbus.c"
#include "northbridge/amd/amdk8/raminit.h"
#include "cpu/k8/apic_timer.c"
#include "cpu/p6/boot_cpu.c"
#include "northbridge/amd/amdk8/reset_test.c"
#include "debug.c"
+#include "northbridge/amd/amdk8/cpu_rev.c"
+#include "superio/NSC/pc87360/pc87360_early_serial.c"
+
+#define SIO_BASE 0x2e
+
+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)
return 0x00010101; /* default row entry */
}
-static inline int spd_read_byte(unsigned device, unsigned address)
+static inline void activate_spd_rom(const struct mem_controller *ctrl)
{
- return smbus_read_byte(device, address);
+ /* nothing to do */
}
-/* no specific code here. this should go away completely */
-static void coherent_ht_mainboard(unsigned cpus)
+static inline int spd_read_byte(unsigned device, unsigned address)
{
+ return smbus_read_byte(device, address);
}
-#include "northbridge/amd/amdk8/cpu_ldtstop.c"
-#include "southbridge/amd/amd8111/amd8111_ldtstop.c"
#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();
- }
-}
-
static void main(void)
{
- /*
- * GPIO28 of 8111 will control H0_MEMRESET_L
- */
static const struct mem_controller cpu[] = {
{
.node_id = 0,
.f1 = PCI_DEV(0, 0x18, 1),
.f2 = PCI_DEV(0, 0x18, 2),
.f3 = PCI_DEV(0, 0x18, 3),
- .channel0 = { (0xa<<3), (0xa<<3)|1, 0, 0 },
+ .channel0 = { (0xa<<3)|0, (0xa<<3)|1, 0, 0 },
.channel1 = { 0, 0, 0, 0 },
}
};
-
+ int needs_reset;
+ enable_lapic();
+ init_timer();
if (cpu_init_detected()) {
asm("jmp __cpu_reset");
}
-
enable_lapic();
init_timer();
-
+ distinguish_cpu_resets();
if (!boot_cpu()) {
- notify_bsp_ap_is_stopped();
+ print_err("This LinuxBIOS image is built for UP only.\n");
stop_this_cpu();
}
-
+ pc87360_enable_serial(SIO_BASE, TTYS0_BASE);
uart_init();
console_init();
setup_default_resource_map();
- setup_coherent_ht_domain();
- enumerate_ht_chain(0);
- distinguish_cpu_resets(0);
-
+ needs_reset = setup_coherent_ht_domain();
+ needs_reset = ht_setup_chain(PCI_DEV(0, 0x18, 0), 0x80);
+ if (needs_reset) {
+ print_info("ht reset -");
+ soft_reset();
+ }
+#if 0
+ print_pci_devices();
+#endif
enable_smbus();
-
+#if 0
+ dump_spd_registers(&cpu[0]);
+#endif
memreset_setup();
- sdram_initialize(1, cpu);
+ 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
}
projects / coreboot.git / blobdiff