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-rw-r--r--src/mainboard/tyan/s2880/auto.c560
-rw-r--r--src/mainboard/tyan/s2880/failover.c32
2 files changed, 189 insertions, 403 deletions
diff --git a/src/mainboard/tyan/s2880/auto.c b/src/mainboard/tyan/s2880/auto.c
index 0612989337..e09662223c 100644
--- a/src/mainboard/tyan/s2880/auto.c
+++ b/src/mainboard/tyan/s2880/auto.c
@@ -1,437 +1,211 @@
#define ASSEMBLY 1
#include <stdint.h>
#include <device/pci_def.h>
-#include "arch/romcc_io.h"
+#include <cpu/p6/apic.h>
+#include <arch/io.h>
+#include <arch/romcc_io.h>
#include "pc80/serial.c"
#include "arch/i386/lib/console.c"
#include "ram/ramtest.c"
#include "northbridge/amd/amdk8/early_ht.c"
#include "southbridge/amd/amd8111/amd8111_early_smbus.c"
#include "northbridge/amd/amdk8/raminit.h"
-/*
-#warning "FIXME move these delay functions somewhere more appropriate"
-#warning "FIXME use the apic timer instead it needs no calibration on an Opteron it runs at 200Mhz"
-static void print_clock_multiplier(void)
-{
- msr_t msr;
- print_debug("clock multipler: 0x");
- msr = rdmsr(0xc0010042);
- print_debug_hex32(msr.lo & 0x3f);
- print_debug(" = 0x");
- print_debug_hex32(((msr.lo & 0x3f) + 8) * 100);
- print_debug("Mhz\r\n");
-}
-
-static unsigned usecs_to_ticks(unsigned usecs)
-{
-#warning "FIXME make usecs_to_ticks work properly"
-#if 1
- return usecs *2000;
-#else
- // This can only be done if cpuid says fid changing is supported
- // I need to look up the base frequency another way for other
- // cpus. Is it worth dedicating a global register to this?
- // Are the PET timers useable for this purpose?
-
- msr_t msr;
- msr = rdmsr(0xc0010042);
- return ((msr.lo & 0x3f) + 8) * 100 *usecs;
-#endif
-}
-
-static void init_apic_timer(void)
-{
- volatile uint32_t *apic_reg = (volatile uint32_t *)0xfee00000;
- uint32_t start, end;
- // Set the apic timer to no interrupts and periodic mode
- apic_reg[0x320 >> 2] = (1 << 17)|(1<< 16)|(0 << 12)|(0 << 0);
- // Set the divider to 1, no divider
- apic_reg[0x3e0 >> 2] = (1 << 3) | 3;
- // Set the initial counter to 0xffffffff
- apic_reg[0x380 >> 2] = 0xffffffff;
-}
+#include "cpu/k8/apic_timer.c"
+#include "lib/delay.c"
+#include "cpu/p6/boot_cpu.c"
+#include "northbridge/amd/amdk8/reset_test.c"
+#include "debug.c"
+
+static void memreset_setup(void)
+{
+ /* 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);
+}
+
+static void memreset(int controllers, const struct mem_controller *ctrl)
+{
+ 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)
+{
+ /* 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 */
+
+ 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;
+ }
-static void udelay(unsigned usecs)
-{
-#if 1
- uint32_t start, ticks;
- tsc_t tsc;
- // Calculate the number of ticks to run for
- ticks = usecs_to_ticks(usecs);
- // Find the current time
- tsc = rdtsc();
- start = tsc.lo;
- do {
- tsc = rdtsc();
- } while((tsc.lo - start) < ticks);
-#else
- volatile uint32_t *apic_reg = (volatile uint32_t *)0xfee00000;
- uint32_t start, value, ticks;
- // Calculate the number of ticks to run for
- ticks = usecs * 200;
- start = apic_reg[0x390 >> 2];
- do {
- value = apic_reg[0x390 >> 2];
- } while((start - value) < ticks);
-#endif
-}
-static void mdelay(unsigned msecs)
-{
- int i;
- for(i = 0; i < msecs; i++) {
- udelay(1000);
- }
-}
+ if (!(node>=maxnodes || row>=maxnodes)) {
+ ret=rows_2p[node][row];
+ }
-static void delay(unsigned secs)
-{
- int i;
- for(i = 0; i < secs; i++) {
- mdelay(1000);
- }
+ return ret;
}
-static void memreset_setup(const struct mem_controller *ctrl)
+static inline int spd_read_byte(unsigned device, unsigned address)
{
- // 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);
- print_debug("memreset lo\r\n");
+ return smbus_read_byte(device, address);
}
-static void memreset(const struct mem_controller *ctrl)
-{
- udelay(800);
- // Set memreset_high
- outb((0<<7)|(0<<6)|(0<<5)|(0<<4)|(1<<2)|(1<<0), SMBUS_IO_BASE + 0xc0 + 28);
- print_debug("memreset hi\r\n");
- udelay(50);
-}
-*/
+#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"
-#define NODE_ID 0x60
-#define HT_INIT_CONTROL 0x6c
-
-#define HTIC_ColdR_Detect (1<<4)
-#define HTIC_BIOSR_Detect (1<<5)
-#define HTIC_INIT_Detect (1<<6)
-
-#define APIC_DEFAULT_BASE 0xfee00000
-
-#define APIC_ID 0x020
-
-static int boot_cpu(void)
+static void enable_lapic(void)
{
- volatile unsigned long *local_apic;
- unsigned long apic_id;
- int bsp;
- int apicEn;
msr_t msr;
msr = rdmsr(0x1b);
- bsp = !!(msr.lo & (1 << 8));
- apicEn = !!(msr.lo & (1<<11));
- if(apicEn) {
- print_debug("apic enabled\r\n");
- } else {
- msr.lo |= (1<<11);
- wrmsr(0x1b,msr);
- }
- apic_id = *((volatile unsigned long *)(APIC_DEFAULT_BASE+APIC_ID));
- print_debug("apic_id: ");
- print_debug_hex32(apic_id>>24);
- print_debug("\r\n");
-
- if (bsp) {
- print_debug("Bootstrap cpu\r\n");
- } else {
- print_debug("Application processor\r\n");
- // asm("hlt"); // move to end before halt should notify BSP
- // if you start AP in coherent.c you can just stop it here
- }
-
- return bsp;
+ msr.hi &= 0xffffff00;
+ msr.lo &= 0x000007ff;
+ msr.lo |= APIC_DEFAULT_BASE | (1 << 11);
+ wrmsr(0x1b, msr);
}
-static int cpu_init_detected(void)
+static void stop_this_cpu(void)
{
- unsigned long dcl;
- int cpu_init;
+ unsigned apicid;
+ apicid = apic_read(APIC_ID) >> 24;
- unsigned long htic;
+ /* 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();
- htic = pci_read_config32(PCI_DEV(0, 0x18, 0), HT_INIT_CONTROL);
-#if 0
- print_debug("htic: ");
- print_debug_hex32(htic);
- print_debug("\r\n");
+ /* 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 (!(htic & HTIC_ColdR_Detect)) {
- print_debug("Cold Reset.\r\n");
- }
- if ((htic & HTIC_ColdR_Detect) && !(htic & HTIC_BIOSR_Detect)) {
- print_debug("BIOS generated Reset.\r\n");
- }
- if (htic & HTIC_INIT_Detect) {
- print_debug("Init event.\r\n");
- }
-#endif
- cpu_init = (htic & HTIC_INIT_Detect);
- if (cpu_init) {
- print_debug("CPU INIT Detected.\r\n");
+ /* If I haven't halted spin forever */
+ for(;;) {
+ hlt();
}
- return cpu_init;
}
-/*
-static void print_debug_pci_dev(unsigned dev)
-{
- print_debug("PCI: ");
- print_debug_hex8((dev >> 16) & 0xff);
- print_debug_char(':');
- print_debug_hex8((dev >> 11) & 0x1f);
- print_debug_char('.');
- print_debug_hex8((dev >> 8) & 7);
-}
-
-
-static void print_pci_devices(void)
-{
- device_t dev;
- for(dev = PCI_DEV(0, 0, 0);
- dev <= PCI_DEV(0, 0x1f, 0x7);
- dev += PCI_DEV(0,0,1)) {
- uint32_t id;
- id = pci_read_config32(dev, PCI_VENDOR_ID);
- if (((id & 0xffff) == 0x0000) || ((id & 0xffff) == 0xffff) ||
- (((id >> 16) & 0xffff) == 0xffff) ||
- (((id >> 16) & 0xffff) == 0x0000)) {
- continue;
- }
- print_debug_pci_dev(dev);
- print_debug("\r\n");
- }
-}
-*/
-/*
-static void dump_pci_device(unsigned dev)
-{
- int i;
- print_debug_pci_dev(dev);
- print_debug("\r\n");
-
- for(i = 0; i <= 255; i++) {
- unsigned char val;
- if ((i & 0x0f) == 0) {
- print_debug_hex8(i);
- print_debug_char(':');
- }
- val = pci_read_config8(dev, i);
- print_debug_char(' ');
- print_debug_hex8(val);
- if ((i & 0x0f) == 0x0f) {
- print_debug("\r\n");
- }
- }
-}
-static void dump_pci_devices(void)
-{
- device_t dev;
- for(dev = PCI_DEV(0, 0, 0);
- dev <= PCI_DEV(0, 0x1f, 0x7);
- dev += PCI_DEV(0,0,1)) {
- uint32_t id;
- id = pci_read_config32(dev, PCI_VENDOR_ID);
- if (((id & 0xffff) == 0x0000) || ((id & 0xffff) == 0xffff) ||
- (((id >> 16) & 0xffff) == 0xffff) ||
- (((id >> 16) & 0xffff) == 0x0000)) {
- continue;
- }
- dump_pci_device(dev);
- }
-}
-
-
-
-static void dump_spd_registers(const struct mem_controller *ctrl)
-{
- int i;
- print_debug("\r\n");
- for(i = 0; i < 4; i++) {
- unsigned device;
- device = ctrl->channel0[i];
- if (device) {
- int j;
- print_debug("dimm: ");
- print_debug_hex8(i);
- print_debug(".0: ");
- print_debug_hex8(device);
- for(j = 0; j < 256; j++) {
- int status;
- unsigned char byte;
- if ((j & 0xf) == 0) {
- print_debug("\r\n");
- print_debug_hex8(j);
- print_debug(": ");
- }
- status = smbus_read_byte(device, j);
- if (status < 0) {
- print_debug("bad device\r\n");
-
- break;
- }
- byte = status & 0xff;
- print_debug_hex8(byte);
- print_debug_char(' ');
- }
- print_debug("\r\n");
- }
- device = ctrl->channel1[i];
- if (device) {
- int j;
- print_debug("dimm: ");
- print_debug_hex8(i);
- print_debug(".1: ");
- print_debug_hex8(device);
- for(j = 0; j < 256; j++) {
- int status;
- unsigned char byte;
- if ((j & 0xf) == 0) {
- print_debug("\r\n");
- print_debug_hex8(j);
- print_debug(": ");
- }
- status = smbus_read_byte(device, j);
-
- if (status < 0) {
- print_debug("bad device\r\n");
- break;
- }
- byte = status & 0xff;
- print_debug_hex8(byte);
- print_debug_char(' ');
- }
- print_debug("\r\n");
- }
- }
-}
-
-*/
-
-
-
+#define FIRST_CPU 1
+#define SECOND_CPU 1
+#define TOTAL_CPUS (FIRST_CPU + SECOND_CPU)
static void main(void)
{
- static const struct mem_controller cpu0 = {
- .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 },
- };
- static const struct mem_controller cpu1 = {
- .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 },
- };
-
- // device_t dev;
- // unsigned where;
- unsigned long reg;
-// dev = PCI_ADDR(0, 0x19, 0, 0x6C) & ~0xff;
-// where = PCI_ADDR(0, 0x19, 0, 0x6C) & 0xff;
-#if 0
- init_apic_timer();
+ /*
+ * GPIO28 of 8111 will control H0_MEMRESET_L
+ * GPIO29 of 8111 will control H1_MEMRESET_L
+ */
+ 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 (cpu_init_detected()) {
+ asm("jmp __cpu_reset");
+ }
+ enable_lapic();
+ init_timer();
+ if (!boot_cpu() ) {
+ notify_bsp_ap_is_stopped();
+ stop_this_cpu();
+ }
uart_init();
console_init();
- if (boot_cpu() && !cpu_init_detected()) {
- setup_default_resource_map();
- setup_coherent_ht_domain();
- enumerate_ht_chain();
-// print_pci_devices();
- enable_smbus();
-// sdram_initialize();
- // dump_spd_registers(&cpu0);
- sdram_initialize(&cpu0);
- // dump_spd_registers(&cpu1);
-// sdram_initialize(&cpu1);
-
-// dump_pci_device(PCI_DEV(0, 0x18, 2));
+ setup_default_resource_map();
+ setup_coherent_ht_domain();
+ enumerate_ht_chain(0);
+ distinguish_cpu_resets(0);
+
#if 0
- ram_fill( 0x00100000, 0x00180000);
- ram_verify(0x00100000, 0x00180000);
+ print_pci_devices();
#endif
-//#ifdef MEMORY_1024MB
-// ram_fill( 0x00000000, 0x00001000);
-// ram_verify(0x00000000, 0x00001000);
-//#endif
-//#ifdef MEMROY_512MB
-// ram_fill( 0x00000000, 0x01ffffff);
-// ram_verify(0x00000000, 0x01ffffff);
-//#endif
- /* Check the first 512M */
-/* 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");
- ram_check(0x00000000, msr.lo);
- */
-/*
- reg = *((volatile unsigned long *)(APIC_DEFAULT_BASE+APIC_ID));
- print_debug("bootstrap cpu apic_id: ");
- print_debug_hex32(reg>>24);
- print_debug("\r\n");
-*/
+ enable_smbus();
+#if 0
+ dump_spd_registers(&cpu[0]);
+#endif
+ memreset_setup();
+ sdram_initialize(sizeof(cpu)/sizeof(cpu[0]), cpu);
- // Start AP now
- reg = pci_read_config32(PCI_DEV(0, 0x19, 0), 0x6C);
- reg &= 0xffffff8c;
- reg |= 0x00000070;
- pci_write_config32(PCI_DEV(0, 0x19, 0), 0x6C, reg); //start AP
- for(;;) {
- reg = pci_read_config32(PCI_DEV(0, 0x19, 0), 0x6C);
- if((reg & (1<<4))==0) break; // wait until AP stop
- }
- reg |= 1<<4;
- pci_write_config32(PCI_DEV(0, 0x19, 0), 0x6C, reg);
+#if 0
+ dump_pci_devices();
+#endif
+#if 0
+ dump_pci_device(PCI_DEV(0, 0x18, 2));
+#endif
- }
- else {
- // Need to init second cpu's APIC id
- // It's AP
-
-// apic_write(APIC_ID,(1<<24));
- reg = *((volatile unsigned long *)(APIC_DEFAULT_BASE+APIC_ID));
-/* print_debug("applicaton cpu apic_id: ");
- print_debug_hex32(reg>>24);
+ /* 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");
- if((reg>>24)==7){ // FIXME: Need to read NodeID at first.
- *((volatile unsigned long *)(APIC_DEFAULT_BASE+APIC_ID))=1<<24;
- }*/
- if((reg>>24)!=0) {
-// before hlt clear the ColdResetbit
-
- //notify BSP that AP is stopped
- reg = pci_read_config32(PCI_DEV(0, 0x19, 0), 0x6C);
- reg &= ~(1<<4);
- pci_write_config32(PCI_DEV(0, 0x19, 0), 0x6C, reg);
-
- asm("hlt");
- }
-
-
- }
-
+#endif
+/*
+#if 1
+ ram_check(0x00000000, msr.lo);
+#else
+#if TOTAL_CPUS < 2
+ // Check 16MB of memory @ 0
+ ram_check(0x00000000, 0x01000000);
+#else
+ // Check 16MB of memory @ 2GB
+ ram_check(0x80000000, 0x81000000);
+#endif
+#endif
+*/
}
diff --git a/src/mainboard/tyan/s2880/failover.c b/src/mainboard/tyan/s2880/failover.c
index cda8ea8076..8eeeaef7e1 100644
--- a/src/mainboard/tyan/s2880/failover.c
+++ b/src/mainboard/tyan/s2880/failover.c
@@ -2,25 +2,37 @@
#include <stdint.h>
#include <device/pci_def.h>
#include <device/pci_ids.h>
+#include <arch/io.h>
#include "arch/romcc_io.h"
#include "pc80/mc146818rtc_early.c"
#include "southbridge/amd/amd8111/amd8111_enable_rom.c"
#include "northbridge/amd/amdk8/early_ht.c"
-
-
+#include "cpu/p6/boot_cpu.c"
+#include "northbridge/amd/amdk8/reset_test.c"
static void main(void)
{
- if (do_normal_boot()) {
- /* Nothing special needs to be done to find bus 0 */
-
- /* Allow the HT devices to be found */
- enumerate_ht_chain();
+ /* Nothing special needs to be done to find bus 0 */
+ /* Allow the HT devices to be found */
+ enumerate_ht_chain(0);
- /* Setup the 8111 */
- amd8111_enable_rom();
+ /* Setup the 8111 */
+ amd8111_enable_rom();
- /* Jump to the normal image */
+ /* Is this a cpu reset? */
+ if (cpu_init_detected()) {
+ if (last_boot_normal()) {
+ asm("jmp __normal_image");
+ } else {
+ asm("jmp __cpu_reset");
+ }
+ }
+ /* Is this a secondary cpu? */
+ else if (!boot_cpu() && last_boot_normal()) {
+ asm("jmp __normal_image");
+ }
+ /* This is the primary cpu how should I boot? */
+ else if (do_normal_boot()) {
asm("jmp __normal_image");
}
}
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