void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
struct sys_info *sysinfo = &sysinfo_car;
static const u8 spd_addr[] = {RC00, DIMM0, DIMM2, 0, 0, DIMM1, DIMM3, 0, 0, };
u32 bsp_apicid = 0, val;
msr_t msr;
timestamp_init(timestamp_get());
timestamp_add_now(TS_START_ROMSTAGE);
if (!cpu_init_detectedx && boot_cpu()) {
/* Nothing special needs to be done to find bus 0 */
/* Allow the HT devices to be found */
/* mov bsp to bus 0xff when > 8 nodes */
set_bsp_node_CHtExtNodeCfgEn();
enumerate_ht_chain();
/* enable port80 decoding and southbridge poweron init */
sb800_lpc_init();
sb800_pci_port80();
}
post_code(0x30);
if (bist == 0) {
bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo); /* mmconf is inited in init_cpus */
/* All cores run this but the BSP(node0,core0) is the only core that returns. */
}
post_code(0x32);
enable_rs780_dev8();
sb800_clk_output_48Mhz();
winbond_set_clksel_48(PNP_DEV(0x2e, 0));
winbond_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
console_init();
printk(BIOS_DEBUG, "\n");
/* Halt if there was a built in self test failure */
report_bist_failure(bist);
/* Load MPB */
val = cpuid_eax(1);
printk(BIOS_DEBUG, "BSP Family_Model: %08x\n", val);
printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1);
printk(BIOS_DEBUG, "bsp_apicid = %02x\n", bsp_apicid);
printk(BIOS_DEBUG, "cpu_init_detectedx = %08lx\n", cpu_init_detectedx);
/* Setup sysinfo defaults */
set_sysinfo_in_ram(0);
update_microcode(val);
post_code(0x33);
cpuSetAMDMSR(0);
post_code(0x34);
amd_ht_init(sysinfo);
post_code(0x35);
/* Setup nodes PCI space and start core 0 AP init. */
finalize_node_setup(sysinfo);
/* Setup any mainboard PCI settings etc. */
setup_mb_resource_map();
post_code(0x36);
/* wait for all the APs core0 started by finalize_node_setup. */
/* FIXME: A bunch of cores are going to start output to serial at once.
It would be nice to fixup prink spinlocks for ROM XIP mode.
I think it could be done by putting the spinlock flag in the cache
of the BSP located right after sysinfo.
*/
wait_all_core0_started();
#if IS_ENABLED(CONFIG_LOGICAL_CPUS)
/* Core0 on each node is configured. Now setup any additional cores. */
printk(BIOS_DEBUG, "start_other_cores()\n");
start_other_cores(bsp_apicid);
post_code(0x37);
wait_all_other_cores_started(bsp_apicid);
#endif
post_code(0x38);
/* run _early_setup before soft-reset. */
rs780_early_setup();
sb800_early_setup();
#if IS_ENABLED(CONFIG_SET_FIDVID)
msr = rdmsr(MSR_COFVID_STS);
printk(BIOS_DEBUG, "\nBegin FIDVID MSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
post_code(0x39);
enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
if (!warm_reset_detect(0)) { /* BSP is node 0 */
init_fidvid_bsp(bsp_apicid, sysinfo->nodes);
} else {
init_fidvid_stage2(bsp_apicid, 0); /* BSP is node 0 */
}
post_code(0x3A);
/* show final fid and vid */
msr = rdmsr(MSR_COFVID_STS);
printk(BIOS_DEBUG, "End FIDVIDMSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
#endif
rs780_htinit();
/* Reset for HT, FIDVID, PLL and errata changes to take affect. */
if (!warm_reset_detect(0)) {
printk(BIOS_INFO, "...WARM RESET...\n\n\n");
soft_reset();
die("After soft_reset - shouldn't see this message!!!\n");
}
post_code(0x3B);
/* It's the time to set ctrl in sysinfo now; */
printk(BIOS_DEBUG, "fill_mem_ctrl()\n");
fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
post_code(0x40);
timestamp_add_now(TS_BEFORE_INITRAM);
printk(BIOS_DEBUG, "raminit_amdmct()\n");
raminit_amdmct(sysinfo);
timestamp_add_now(TS_AFTER_INITRAM);
cbmem_initialize_empty();
post_code(0x41);
amdmct_cbmem_store_info(sysinfo);
sb800_before_pci_init();
post_code(0x42);
}
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
struct sys_info *sysinfo = &sysinfo_car;
static const u8 spd_addr[] = {RC00, DIMM0, DIMM2, 0, 0, DIMM1, DIMM3, 0, 0, };
u32 bsp_apicid = 0, val;
msr_t msr;
if (!cpu_init_detectedx && boot_cpu()) {
/* Nothing special needs to be done to find bus 0 */
/* Allow the HT devices to be found */
/* mov bsp to bus 0xff when > 8 nodes */
set_bsp_node_CHtExtNodeCfgEn();
enumerate_ht_chain();
/* enable port80 decoding and southbridge poweron init */
sb800_lpc_port80();
inb(0x80); /* Wait sometime before post to port80, otherwise reset was needed. */
}
post_code(0x30);
if (bist == 0) {
bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo); /* mmconf is inited in init_cpus */
/* All cores run this but the BSP(node0,core0) is the only core that returns. */
}
post_code(0x32);
enable_rs780_dev8();
sb800_lpc_init();
console_init();
// dump_mem(CONFIG_DCACHE_RAM_BASE+CONFIG_DCACHE_RAM_SIZE-0x200, CONFIG_DCACHE_RAM_BASE+CONFIG_DCACHE_RAM_SIZE);
/* Halt if there was a built in self test failure */
report_bist_failure(bist);
// Load MPB
val = cpuid_eax(1);
printk(BIOS_DEBUG, "BSP Family_Model: %08x\n", val);
printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1);
printk(BIOS_DEBUG, "bsp_apicid = %02x\n", bsp_apicid);
printk(BIOS_DEBUG, "cpu_init_detectedx = %08lx\n", cpu_init_detectedx);
/* Setup sysinfo defaults */
set_sysinfo_in_ram(0);
update_microcode(val);
post_code(0x33);
cpuSetAMDMSR();
post_code(0x34);
amd_ht_init(sysinfo);
post_code(0x35);
/* Setup nodes PCI space and start core 0 AP init. */
finalize_node_setup(sysinfo);
/* Setup any mainboard PCI settings etc. */
setup_mb_resource_map();
post_code(0x36);
/* wait for all the APs core0 started by finalize_node_setup. */
/* FIXME: A bunch of cores are going to start output to serial at once.
It would be nice to fixup prink spinlocks for ROM XIP mode.
I think it could be done by putting the spinlock flag in the cache
of the BSP located right after sysinfo.
*/
wait_all_core0_started();
#if CONFIG_LOGICAL_CPUS
/* Core0 on each node is configured. Now setup any additional cores. */
printk(BIOS_DEBUG, "start_other_cores()\n");
start_other_cores();
post_code(0x37);
wait_all_other_cores_started(bsp_apicid);
#endif
post_code(0x38);
/* run _early_setup before soft-reset. */
rs780_early_setup();
sb800_early_setup();
#if CONFIG_SET_FIDVID
msr = rdmsr(0xc0010071);
printk(BIOS_DEBUG, "\nBegin FIDVID MSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
/* FIXME: The sb fid change may survive the warm reset and only
need to be done once.*/
enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
post_code(0x39);
if (!warm_reset_detect(0)) { // BSP is node 0
init_fidvid_bsp(bsp_apicid, sysinfo->nodes);
} else {
init_fidvid_stage2(bsp_apicid, 0); // BSP is node 0
}
post_code(0x3A);
/* show final fid and vid */
msr=rdmsr(0xc0010071);
printk(BIOS_DEBUG, "End FIDVIDMSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
#endif
rs780_htinit();
/* Reset for HT, FIDVID, PLL and errata changes to take affect. */
if (!warm_reset_detect(0)) {
print_info("...WARM RESET...\n\n\n");
soft_reset();
die("After soft_reset_x - shouldn't see this message!!!\n");
}
post_code(0x3B);
/* It's the time to set ctrl in sysinfo now; */
printk(BIOS_DEBUG, "fill_mem_ctrl()\n");
fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
post_code(0x40);
// die("Die Before MCT init.");
printk(BIOS_DEBUG, "raminit_amdmct()\n");
raminit_amdmct(sysinfo);
post_code(0x41);
/*
dump_pci_device_range(PCI_DEV(0, 0x18, 0), 0, 0x200);
dump_pci_device_range(PCI_DEV(0, 0x18, 1), 0, 0x200);
dump_pci_device_range(PCI_DEV(0, 0x18, 2), 0, 0x200);
dump_pci_device_range(PCI_DEV(0, 0x18, 3), 0, 0x200);
*/
// ram_check(0x00200000, 0x00200000 + (640 * 1024));
// ram_check(0x40200000, 0x40200000 + (640 * 1024));
// die("After MCT init before CAR disabled.");
rs780_before_pci_init();
sb800_before_pci_init();
post_code(0x42);
post_cache_as_ram(); // BSP switch stack to ram, copy then execute LB.
post_code(0x43); // Should never see this post code.
}
