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|
#define ASSEMBLY 1
#define __ROMCC__
#define RAMINIT_SYSINFO 1
#define CACHE_AS_RAM_ADDRESS_DEBUG 0
#define SET_NB_CFG_54 1
//used by raminit
#define QRANK_DIMM_SUPPORT 1
//used by incoherent_ht
//#define K8_SCAN_PCI_BUS 1
//#define K8_ALLOCATE_IO_RANGE 1
//used by init_cpus and fidvid
#define K8_SET_FIDVID 0
//if we want to wait for core1 done before DQS training, set it to 0
#define K8_SET_FIDVID_CORE0_ONLY 1
#if K8_REV_F_SUPPORT == 1
#define K8_REV_F_SUPPORT_F0_F1_WORKAROUND 0
#endif
#include <stdint.h>
#include <string.h>
#include <device/pci_def.h>
#include <device/pci_ids.h>
#include <arch/io.h>
#include <device/pnp_def.h>
#include <arch/romcc_io.h>
#include <cpu/x86/lapic.h>
#include "option_table.h"
#include "pc80/mc146818rtc_early.c"
#if 0
static void post_code(uint8_t value) {
#if 1
int i;
for(i=0;i<0x80000;i++) {
outb(value, 0x80);
}
#endif
}
#endif
#if USE_FAILOVER_IMAGE==0
#include "pc80/serial.c"
#include "arch/i386/lib/console.c"
#include <cpu/amd/model_fxx_rev.h>
#include "southbridge/amd/amd8111/amd8111_early_smbus.c"
#include "northbridge/amd/amdk8/raminit.h"
#include "cpu/amd/model_fxx/apic_timer.c"
#endif
#include "cpu/x86/lapic/boot_cpu.c"
#include "northbridge/amd/amdk8/reset_test.c"
#if USE_FAILOVER_IMAGE==0
#include "cpu/x86/bist.h"
#include "lib/delay.c"
#include "northbridge/amd/amdk8/debug.c"
#include "cpu/amd/mtrr/amd_earlymtrr.c"
#include "superio/winbond/w83627hf/w83627hf_early_serial.c"
#include "northbridge/amd/amdk8/setup_resource_map.c"
#define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
#include "southbridge/amd/amd8111/amd8111_early_ctrl.c"
static void memreset_setup(void)
{
//GPIO on amd8111 to enable MEMRST ????
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)
{
}
static inline void activate_spd_rom(const struct mem_controller *ctrl)
{
#define SMBUS_HUB 0x18
int ret,i;
unsigned device=(ctrl->channel0[0])>>8;
/* the very first write always get COL_STS=1 and ABRT_STS=1, so try another time*/
i=2;
do {
ret = smbus_write_byte(SMBUS_HUB, 0x01, device);
} while ((ret!=0) && (i-->0));
smbus_write_byte(SMBUS_HUB, 0x03, 0);
}
#if 0
static inline void change_i2c_mux(unsigned device)
{
#define SMBUS_HUB 0x18
int ret, i;
print_debug("change_i2c_mux i="); print_debug_hex8(device); print_debug("\r\n");
i=2;
do {
ret = smbus_write_byte(SMBUS_HUB, 0x01, device);
print_debug("change_i2c_mux 1 ret="); print_debug_hex32(ret); print_debug("\r\n");
} while ((ret!=0) && (i-->0));
ret = smbus_write_byte(SMBUS_HUB, 0x03, 0);
print_debug("change_i2c_mux 2 ret="); print_debug_hex32(ret); print_debug("\r\n");
}
#endif
static inline int spd_read_byte(unsigned device, unsigned address)
{
return smbus_read_byte(device, address);
}
#include "northbridge/amd/amdk8/amdk8.h"
#include "northbridge/amd/amdk8/coherent_ht.c"
#include "northbridge/amd/amdk8/incoherent_ht.c"
#include "northbridge/amd/amdk8/raminit.c"
#include "sdram/generic_sdram.c"
/* tyan does not want the default */
#include "resourcemap.c"
#include "cpu/amd/dualcore/dualcore.c"
#define RC0 ((1<<0)<<8)
#define RC1 ((1<<1)<<8)
#define RC2 ((1<<2)<<8)
#define RC3 ((1<<3)<<8)
#define DIMM0 0x50
#define DIMM1 0x51
#define DIMM2 0x52
#define DIMM3 0x53
#define DIMM4 0x54
#define DIMM5 0x55
#define DIMM6 0x56
#define DIMM7 0x57
#include "cpu/amd/car/copy_and_run.c"
#include "cpu/amd/car/post_cache_as_ram.c"
#include "cpu/amd/model_fxx/init_cpus.c"
#include "cpu/amd/model_fxx/fidvid.c"
#endif
#if ((HAVE_FAILOVER_BOOT==1) && (USE_FAILOVER_IMAGE == 1)) || ((HAVE_FAILOVER_BOOT==0) && (USE_FALLBACK_IMAGE == 1))
#include "southbridge/amd/amd8111/amd8111_enable_rom.c"
#include "northbridge/amd/amdk8/early_ht.c"
void failover_process(unsigned long bist, unsigned long cpu_init_detectedx)
{
unsigned last_boot_normal_x = last_boot_normal();
/* Is this a cpu only reset? or Is this a secondary cpu? */
if ((cpu_init_detectedx) || (!boot_cpu())) {
if (last_boot_normal_x) {
goto normal_image;
} else {
goto fallback_image;
}
}
/* Nothing special needs to be done to find bus 0 */
/* Allow the HT devices to be found */
enumerate_ht_chain();
/* Setup the rom access for 4M */
amd8111_enable_rom();
/* Is this a deliberate reset by the bios */
if (bios_reset_detected() && last_boot_normal_x) {
goto normal_image;
}
/* This is the primary cpu how should I boot? */
else if (do_normal_boot()) {
goto normal_image;
}
else {
goto fallback_image;
}
normal_image:
__asm__ volatile ("jmp __normal_image"
: /* outputs */
: "a" (bist), "b" (cpu_init_detectedx) /* inputs */
);
fallback_image:
#if HAVE_FAILOVER_BOOT==1
__asm__ volatile ("jmp __fallback_image"
: /* outputs */
: "a" (bist), "b" (cpu_init_detectedx) /* inputs */
)
#endif
;
}
#endif
void real_main(unsigned long bist, unsigned long cpu_init_detectedx);
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
#if HAVE_FAILOVER_BOOT==1
#if USE_FAILOVER_IMAGE==1
failover_process(bist, cpu_init_detectedx);
#else
real_main(bist, cpu_init_detectedx);
#endif
#else
#if USE_FALLBACK_IMAGE == 1
failover_process(bist, cpu_init_detectedx);
#endif
real_main(bist, cpu_init_detectedx);
#endif
}
#if USE_FAILOVER_IMAGE==0
void real_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
static const uint16_t spd_addr[] = {
//first node
RC0|DIMM0, RC0|DIMM2, 0, 0,
RC0|DIMM1, RC0|DIMM3, 0, 0,
#if CONFIG_MAX_PHYSICAL_CPUS > 1
//second node
RC1|DIMM0, RC1|DIMM2, RC1|DIMM4, RC1|DIMM6,
RC1|DIMM1, RC1|DIMM3, RC1|DIMM5, RC1|DIMM7,
#endif
#if CONFIG_MAX_PHYSICAL_CPUS > 2
// third node
RC2|DIMM0, RC2|DIMM2, 0, 0,
RC2|DIMM1, RC2|DIMM3, 0, 0,
// four node
RC3|DIMM0, RC3|DIMM2, RC3|DIMM4, RC3|DIMM6,
RC3|DIMM1, RC3|DIMM3, RC3|DIMM5, RC3|DIMM7,
#endif
};
struct sys_info *sysinfo = (DCACHE_RAM_BASE + DCACHE_RAM_SIZE - DCACHE_RAM_GLOBAL_VAR_SIZE);
int needs_reset; int i;
unsigned bsp_apicid = 0;
struct cpuid_result cpuid1;
if (bist == 0) {
bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo);
}
// post_code(0x32);
w83627hf_enable_serial(SERIAL_DEV, TTYS0_BASE);
uart_init();
console_init();
// dump_mem(DCACHE_RAM_BASE+DCACHE_RAM_SIZE-0x200, DCACHE_RAM_BASE+DCACHE_RAM_SIZE);
/* Halt if there was a built in self test failure */
report_bist_failure(bist);
print_debug("*sysinfo range: ["); print_debug_hex32(sysinfo); print_debug(","); print_debug_hex32((unsigned long)sysinfo+sizeof(struct sys_info)); print_debug(")\r\n");
setup_mb_resource_map();
#if 0
dump_pci_device(PCI_DEV(0, 0x18, 0));
dump_pci_device(PCI_DEV(0, 0x19, 0));
#endif
print_debug("bsp_apicid="); print_debug_hex8(bsp_apicid); print_debug("\r\n");
#if MEM_TRAIN_SEQ == 1
set_sysinfo_in_ram(0); // in BSP so could hold all ap until sysinfo is in ram
#endif
setup_coherent_ht_domain(); // routing table and start other core0
wait_all_core0_started();
#if CONFIG_LOGICAL_CPUS==1
// It is said that we should start core1 after all core0 launched
/* becase optimize_link_coherent_ht is moved out from setup_coherent_ht_domain,
* So here need to make sure last core0 is started, esp for two way system,
* (there may be apic id conflicts in that case)
*/
start_other_cores();
wait_all_other_cores_started(bsp_apicid);
#endif
/* it will set up chains and store link pair for optimization later */
ht_setup_chains_x(sysinfo); // it will init sblnk and sbbusn, nodes, sbdn
#if 0
//it your CPU min fid is 1G, you can change HT to 1G and FID to max one time.
needs_reset = optimize_link_coherent_ht();
needs_reset |= optimize_link_incoherent_ht(sysinfo);
#endif
#if K8_SET_FIDVID == 1
/* Check to see if processor is capable of changing FIDVID */
/* otherwise it will throw a GP# when reading FIDVID_STATUS */
cpuid1 = cpuid(0x80000007);
if( (cpuid1.edx & 0x6) == 0x6 ) {
{
/* Read FIDVID_STATUS */
msr_t msr;
msr=rdmsr(0xc0010042);
print_debug("begin msr fid, vid "); print_debug_hex32( msr.hi ); print_debug_hex32(msr.lo); print_debug("\r\n");
}
enable_fid_change();
enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
init_fidvid_bsp(bsp_apicid);
// show final fid and vid
{
msr_t msr;
msr=rdmsr(0xc0010042);
print_debug("end msr fid, vid "); print_debug_hex32( msr.hi ); print_debug_hex32(msr.lo); print_debug("\r\n");
}
} else {
print_debug("Changing FIDVID not supported\n");
}
#endif
#if 1
needs_reset = optimize_link_coherent_ht();
needs_reset |= optimize_link_incoherent_ht(sysinfo);
// fidvid change will issue one LDTSTOP and the HT change will be effective too
if (needs_reset) {
print_info("ht reset -\r\n");
soft_reset_x(sysinfo->sbbusn, sysinfo->sbdn);
}
#endif
allow_all_aps_stop(bsp_apicid);
//It's the time to set ctrl in sysinfo now;
fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
enable_smbus();
#if 0
for(i=0;i<4;i++) {
activate_spd_rom(&cpu[i]);
dump_smbus_registers();
}
#endif
#if 0
for(i=1;i<256;i<<=1) {
change_i2c_mux(i);
dump_smbus_registers();
}
#endif
memreset_setup();
//do we need apci timer, tsc...., only debug need it for better output
/* all ap stopped? */
// init_timer(); // Need to use TMICT to synconize FID/VID
sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);
#if 0
print_pci_devices();
#endif
#if 0
// dump_pci_devices();
dump_pci_device_index_wait(PCI_DEV(0, 0x18, 2), 0x98);
dump_pci_device_index_wait(PCI_DEV(0, 0x19, 2), 0x98);
#endif
post_cache_as_ram(); // bsp swtich stack to ram and copy sysinfo ram now
}
#endif
|