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#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, 0x04, 3), 0x41, 0xf1);
/* reset */
outb(0x0e, 0x0cf9);
}
static void soft_reset(void)
{
set_bios_reset();
pci_write_config8(PCI_DEV(0, 0x04, 0), 0x47, 1);
}
#define AMD8111_RESET PCI_DEV( \
HARD_RESET_BUS, \
HARD_RESET_DEVICE, \
HARD_RESET_FUNCTION)
static void soft2_reset(void)
{
set_bios_reset();
pci_write_config8(AMD8111_RESET, 0x47, 1);
}
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 */
/*
(L1) (L1) (L2)
CPU1-------------CPU0--------8131------8111
|(L0)
|
|
|
|
|
8151
*/
/* Link1 of CPU0 to Link1 of CPU1 */
static const unsigned int rows_2p[2][2] = {
{ 0x00050101, 0x00010404 },
{ 0x00010404, 0x00050101 }
};
if(maxnodes>2) {
print_debug("this mainboard is only designed for 2 cpus\r\n");
maxnodes=2;
}
if (!(node>=maxnodes || row>=maxnodes)) {
ret=rows_2p[node][row];
}
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"
/* tyan does not want the default */
#include "resourcemap.c"
#define FIRST_CPU 1
#define SECOND_CPU 1
#define TOTAL_CPUS (FIRST_CPU + SECOND_CPU)
static void main(unsigned long bist)
{
static const struct mem_controller cpu[] = {
#if FIRST_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 },
},
#endif
#if SECOND_CPU
{
.node_id = 1,
.f0 = PCI_DEV(0, 0x19, 0),
.f1 = PCI_DEV(0, 0x19, 1),
.f2 = PCI_DEV(0, 0x19, 2),
.f3 = PCI_DEV(0, 0x19, 3),
.channel0 = { (0xa<<3)|4, (0xa<<3)|6, 0, 0 },
.channel1 = { (0xa<<3)|5, (0xa<<3)|7, 0, 0 },
},
#endif
};
#if 1
static const struct ht_chain ht_c[] = {
{ /* Link 2 of CPU0 */
.devreg = 0xe0, /* Preset bus num in resource map */
},
{ /* Link 0 of CPU0 */
.devreg = 0xe4, /* Preset bus num in resource map */
},
};
#endif
int needs_reset;
if (bist == 0) {
/* Skip this if there was a built in self test failure */
amd_early_mtrr_init();
enable_lapic();
init_timer();
if (cpu_init_detected()) {
#if 1
asm volatile ("jmp __cpu_reset");
#else
/* cpu reset also reset the memtroller ????
need soft_reset to reset all except keep HT link freq and width */
/* So we don't need to
1. jmp to __cpu_reset
2. jmp to __main to copy ROM to ram (It costs some time)
3. call hardwaremain(), it will according to boot_complete to issue hard_reset in southbridge.
(Actually it is soft2_reset(); --- without call hard_reset, the memory is corrupted.
We will call soft2_reset directly to spare time in 1 and 2 and 3.2
*/
distinguish_cpu_resets();
soft2_reset();
#endif
}
distinguish_cpu_resets();
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_s2885_resource_map();
needs_reset = setup_coherent_ht_domain();
#if 0
needs_reset |= ht_setup_chain(PCI_DEV(0, 0x18, 0), 0xc0);
#else
needs_reset |= ht_setup_chains(ht_c, sizeof(ht_c)/sizeof(ht_c[0]));
#endif
if (needs_reset) {
print_info("ht reset -\r\n");
soft_reset();
}
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
/* 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));
#endif
#if 0
// Check 16MB of memory @ 0
ram_check(0x00000000, 0x00100000);
// Check 16MB of memory @ 2GB
ram_check(0x80000000, 0x80100000);
#endif
}
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