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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)
/* Look up a which bus a given node/link combination is on.
* return 0 when we can't find the answer.
*/
static unsigned node_link_to_bus(unsigned node, unsigned link)
{
unsigned reg;
for(reg = 0xE0; reg < 0xF0; reg += 0x04) {
unsigned config_map;
config_map = pci_read_config32(PCI_DEV(0, 0x18, 1), reg);
if ((config_map & 3) != 3) {
continue;
}
if ((((config_map >> 4) & 7) == node) &&
(((config_map >> 8) & 3) == link))
{
return (config_map >> 16) & 0xff;
}
}
return 0;
}
static void hard_reset(void)
{
device_t dev;
/* Find the device */
dev = PCI_DEV(node_link_to_bus(0, 2), 0x04, 3);
set_bios_reset();
/* enable cf9 */
pci_write_config8(dev, 0x41, 0xf1);
/* reset */
outb(0x0e, 0x0cf9);
}
static void soft_reset(void)
{
device_t dev;
/* Find the device */
dev = PCI_DEV(node_link_to_bus(0, 2), 0x04, 0);
set_bios_reset();
pci_write_config8(dev, 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);
}
}
#if 0
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) (L2)
CPU3-------------CPU1
(L0)| |(L0)
| |
| |
| |
| |
(L0)| |(L0)
CPU2-------------CPU0---------8131----------8111
(L2) (L1) (L2)
*/
/* Link0 of CPU0 to Link0 of CPU1 */
/* Link1 of CPU0 to Link2 of CPU2 */
/* Link2 of CPU1 to Link1 of CPU3 */
/* Link0 of CPU2 to Link0 of CPU3 */
static const unsigned int rows_4p[4][4] = {
{ 0x00070101, 0x00010202, 0x00030404, 0x00010204 },
{ 0x00010202, 0x000b0101, 0x00010208, 0x00030808 },
{ 0x00030808, 0x00010208, 0x000b0101, 0x00010202 },
{ 0x00010204, 0x00030404, 0x00010202, 0x00070101 }
};
if (!(node>=maxnodes || row>=maxnodes)) {
ret=rows_4p[node][row];
}
return ret;
}
#endif
static inline void activate_spd_rom(const struct mem_controller *ctrl)
{
#define SMBUS_HUB 0x18
unsigned device=(ctrl->channel0[0])>>8;
smbus_write_byte(SMBUS_HUB , 0x01, device);
smbus_write_byte(SMBUS_HUB , 0x03, 0);
}
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"
#if CONFIG_LOGICAL_CPUS==1
#define SET_NB_CFG_54 1
#include "cpu/amd/dualcore/dualcore.c"
#endif
#define FIRST_CPU 1
#define SECOND_CPU 1
#define THIRD_CPU 1
#define FOURTH_CPU 1
#define TOTAL_CPUS (FIRST_CPU + SECOND_CPU + THIRD_CPU + FOURTH_CPU)
#define RC0 ((1<<1)<<8)
#define RC1 ((1<<2)<<8)
#define RC2 ((1<<3)<<8)
#define RC3 ((1<<4)<<8)
#define DIMM0 0x50
#define DIMM1 0x51
#define DIMM2 0x52
#define DIMM3 0x53
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 = { RC0|DIMM0, RC0|DIMM2, 0, 0 },
.channel1 = { RC0|DIMM1, RC0|DIMM3, 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 = { RC1|DIMM0, 0 , 0, 0 },
.channel1 = { RC1|DIMM1, 0, 0, 0 },
},
#endif
#if THIRD_CPU
{
.node_id = 2,
.f0 = PCI_DEV(0, 0x1a, 0),
.f1 = PCI_DEV(0, 0x1a, 1),
.f2 = PCI_DEV(0, 0x1a, 2),
.f3 = PCI_DEV(0, 0x1a, 3),
.channel0 = { RC2|DIMM0, 0, 0, 0 },
.channel1 = { RC2|DIMM1, 0, 0, 0 },
},
#endif
#if FOURTH_CPU
{
.node_id = 3,
.f0 = PCI_DEV(0, 0x1b, 0),
.f1 = PCI_DEV(0, 0x1b, 1),
.f2 = PCI_DEV(0, 0x1b, 2),
.f3 = PCI_DEV(0, 0x1b, 3),
.channel0 = { RC3|DIMM0, 0, 0, 0 },
.channel1 = { RC3|DIMM1, 0, 0, 0 },
},
#endif
};
int i;
int needs_reset;
#if CONFIG_LOGICAL_CPUS==1
struct node_core_id id;
#else
unsigned nodeid;
#endif
if (bist == 0) {
/* Skip this if there was a built in self test failure */
amd_early_mtrr_init();
#if CONFIG_LOGICAL_CPUS==1
set_apicid_cpuid_lo();
#endif
enable_lapic();
init_timer();
#if CONFIG_LOGICAL_CPUS==1
id = get_node_core_id_x();
if(id.coreid == 0) {
if (cpu_init_detected(id.nodeid)) {
asm volatile ("jmp __cpu_reset");
}
distinguish_cpu_resets(id.nodeid);
// start_other_core(id.nodeid);
}
#else
nodeid = lapicid();
if (cpu_init_detected(nodeid)) {
asm volatile ("jmp __cpu_reset");
}
distinguish_cpu_resets(nodeid);
#endif
if (!boot_cpu()
#if CONFIG_LOGICAL_CPUS==1
|| (id.coreid != 0)
#endif
) {
stop_this_cpu(); // it will stop all cores except core0 of cpu0
}
}
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_s4880_resource_map();
needs_reset = setup_coherent_ht_domain();
#if CONFIG_LOGICAL_CPUS==1
// It is said that we should start core1 after all core0 launched
start_other_cores();
#endif
#if 0
needs_reset |= ht_setup_chain(PCI_DEV(0, 0x18, 0), 0xc0);
#else
// automatically set that for you, but you might meet tight space
needs_reset |= ht_setup_chains_x();
#endif
if (needs_reset) {
print_info("ht reset -\r\n");
soft_reset();
}
enable_smbus();
memreset_setup();
sdram_initialize(sizeof(cpu)/sizeof(cpu[0]), cpu);
}
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