#include <cpu/cpu.h>
#if CONFIG_SMP == 1
-
-#if CONFIG_RAMBASE >= 0x100000
/* This is a lot more paranoid now, since Linux can NOT handle
* being told there is a CPU when none exists. So any errors
* will return 0, meaning no CPU.
{
return (unsigned long)orig_start_eip & 0xffff; // 16 bit to avoid 0xa0000
}
-#endif
#if CONFIG_HAVE_ACPI_RESUME == 1
char *lowmem_backup;
static void copy_secondary_start_to_1m_below(void)
{
-#if CONFIG_RAMBASE >= 0x100000
extern char _secondary_start_end[];
unsigned long code_size;
unsigned long start_eip;
/* copy the _secondary_start to the ram below 1M*/
memcpy((unsigned char *)start_eip, (unsigned char *)_secondary_start, code_size);
- printk_debug("start_eip=0x%08lx, offset=0x%08lx, code_size=0x%08lx\n", start_eip, ((unsigned long)_secondary_start - start_eip), code_size);
-#endif
+ printk(BIOS_DEBUG, "start_eip=0x%08lx, offset=0x%08lx, code_size=0x%08lx\n", start_eip, ((unsigned long)_secondary_start - start_eip), code_size);
}
static int lapic_start_cpu(unsigned long apicid)
* Starting actual IPI sequence...
*/
- printk_spew("Asserting INIT.\n");
+ printk(BIOS_SPEW, "Asserting INIT.\n");
/*
* Turn INIT on target chip
lapic_write_around(LAPIC_ICR, LAPIC_INT_LEVELTRIG | LAPIC_INT_ASSERT
| LAPIC_DM_INIT);
- printk_spew("Waiting for send to finish...\n");
+ printk(BIOS_SPEW, "Waiting for send to finish...\n");
timeout = 0;
do {
- printk_spew("+");
+ printk(BIOS_SPEW, "+");
udelay(100);
send_status = lapic_read(LAPIC_ICR) & LAPIC_ICR_BUSY;
} while (send_status && (timeout++ < 1000));
if (timeout >= 1000) {
- printk_err("CPU %ld: First apic write timed out. Disabling\n",
+ printk(BIOS_ERR, "CPU %ld: First apic write timed out. Disabling\n",
apicid);
// too bad.
- printk_err("ESR is 0x%lx\n", lapic_read(LAPIC_ESR));
+ printk(BIOS_ERR, "ESR is 0x%lx\n", lapic_read(LAPIC_ESR));
if (lapic_read(LAPIC_ESR)) {
- printk_err("Try to reset ESR\n");
+ printk(BIOS_ERR, "Try to reset ESR\n");
lapic_write_around(LAPIC_ESR, 0);
- printk_err("ESR is 0x%lx\n", lapic_read(LAPIC_ESR));
+ printk(BIOS_ERR, "ESR is 0x%lx\n", lapic_read(LAPIC_ESR));
}
return 0;
}
+#if !defined (CONFIG_CPU_AMD_MODEL_10XXX) && !defined (CONFIG_CPU_AMD_MODEL_14XXX)
mdelay(10);
+#endif
- printk_spew("Deasserting INIT.\n");
+ printk(BIOS_SPEW, "Deasserting INIT.\n");
/* Target chip */
lapic_write_around(LAPIC_ICR2, SET_LAPIC_DEST_FIELD(apicid));
/* Send IPI */
lapic_write_around(LAPIC_ICR, LAPIC_INT_LEVELTRIG | LAPIC_DM_INIT);
- printk_spew("Waiting for send to finish...\n");
+ printk(BIOS_SPEW, "Waiting for send to finish...\n");
timeout = 0;
do {
- printk_spew("+");
+ printk(BIOS_SPEW, "+");
udelay(100);
send_status = lapic_read(LAPIC_ICR) & LAPIC_ICR_BUSY;
} while (send_status && (timeout++ < 1000));
if (timeout >= 1000) {
- printk_err("CPU %ld: Second apic write timed out. Disabling\n",
+ printk(BIOS_ERR, "CPU %ld: Second apic write timed out. Disabling\n",
apicid);
// too bad.
return 0;
}
-#if CONFIG_RAMBASE >= 0x100000
start_eip = get_valid_start_eip((unsigned long)_secondary_start);
-#else
- start_eip = (unsigned long)_secondary_start;
-#endif
+#if !defined (CONFIG_CPU_AMD_MODEL_10XXX) && !defined (CONFIG_CPU_AMD_MODEL_14XXX)
num_starts = 2;
+#else
+ num_starts = 1;
+#endif
/*
* Run STARTUP IPI loop.
*/
- printk_spew("#startup loops: %d.\n", num_starts);
+ printk(BIOS_SPEW, "#startup loops: %d.\n", num_starts);
maxlvt = 4;
for (j = 1; j <= num_starts; j++) {
- printk_spew("Sending STARTUP #%d to %lu.\n", j, apicid);
+ printk(BIOS_SPEW, "Sending STARTUP #%d to %lu.\n", j, apicid);
lapic_read_around(LAPIC_SPIV);
lapic_write(LAPIC_ESR, 0);
lapic_read(LAPIC_ESR);
- printk_spew("After apic_write.\n");
+ printk(BIOS_SPEW, "After apic_write.\n");
/*
* STARTUP IPI
*/
udelay(300);
- printk_spew("Startup point 1.\n");
+ printk(BIOS_SPEW, "Startup point 1.\n");
- printk_spew("Waiting for send to finish...\n");
+ printk(BIOS_SPEW, "Waiting for send to finish...\n");
timeout = 0;
do {
- printk_spew("+");
+ printk(BIOS_SPEW, "+");
udelay(100);
send_status = lapic_read(LAPIC_ICR) & LAPIC_ICR_BUSY;
} while (send_status && (timeout++ < 1000));
if (send_status || accept_status)
break;
}
- printk_spew("After Startup.\n");
+ printk(BIOS_SPEW, "After Startup.\n");
if (send_status)
- printk_warning("APIC never delivered???\n");
+ printk(BIOS_WARNING, "APIC never delivered???\n");
if (accept_status)
- printk_warning("APIC delivery error (%lx).\n", accept_status);
+ printk(BIOS_WARNING, "APIC delivery error (%lx).\n", accept_status);
if (send_status || accept_status)
return 0;
return 1;
if (result) {
result = 0;
- /* Wait 1s or until the new the new cpu calls in */
+ /* Wait 1s or until the new cpu calls in */
for(count = 0; count < 100000 ; count++) {
if (secondary_stack == 0) {
result = 1;
id = lapic_read(LAPIC_ID) >> 24;
- printk_debug("CPU %ld going down...\n", id);
+ printk(BIOS_DEBUG, "CPU %ld going down...\n", id);
/* send an LAPIC INIT to myself */
lapic_write_around(LAPIC_ICR2, SET_LAPIC_DEST_FIELD(id));
/* wait for the ipi send to finish */
#if 0
- // When these two printk_spew calls are not removed, the
+ // When these two printk(BIOS_SPEW, ...) calls are not removed, the
// machine will hang when log level is SPEW. Why?
- printk_spew("Waiting for send to finish...\n");
+ printk(BIOS_SPEW, "Waiting for send to finish...\n");
#endif
timeout = 0;
do {
#if 0
- printk_spew("+");
+ printk(BIOS_SPEW, "+");
#endif
udelay(100);
send_status = lapic_read(LAPIC_ICR) & LAPIC_ICR_BUSY;
} while (send_status && (timeout++ < 1000));
if (timeout >= 1000) {
- printk_err("timed out\n");
+ printk(BIOS_ERR, "timed out\n");
}
mdelay(10);
- printk_spew("Deasserting INIT.\n");
+ printk(BIOS_SPEW, "Deasserting INIT.\n");
/* Deassert the LAPIC INIT */
lapic_write_around(LAPIC_ICR2, SET_LAPIC_DEST_FIELD(id));
lapic_write_around(LAPIC_ICR, LAPIC_INT_LEVELTRIG | LAPIC_DM_INIT);
- printk_spew("Waiting for send to finish...\n");
+ printk(BIOS_SPEW, "Waiting for send to finish...\n");
timeout = 0;
do {
- printk_spew("+");
+ printk(BIOS_SPEW, "+");
udelay(100);
send_status = lapic_read(LAPIC_ICR) & LAPIC_ICR_BUSY;
} while (send_status && (timeout++ < 1000));
if (timeout >= 1000) {
- printk_err("timed out\n");
+ printk(BIOS_ERR, "timed out\n");
}
while(1) {
}
#endif
+#ifdef __SSE3__
+static __inline__ __attribute__((always_inline)) unsigned long readcr4(void)
+{
+ unsigned long value;
+ __asm__ __volatile__ (
+ "mov %%cr4, %[value]"
+ : [value] "=a" (value));
+ return value;
+}
+
+static __inline__ __attribute__((always_inline)) void writecr4(unsigned long Data)
+{
+ __asm__ __volatile__ (
+ "mov %%eax, %%cr4"
+ :
+ : "a" (Data)
+ );
+}
+#endif
+
/* C entry point of secondary cpus */
void secondary_cpu_init(void)
{
spin_lock(&start_cpu_lock);
#endif
#endif
+
+#ifdef __SSE3__
+ /*
+ * Seems that CR4 was cleared when AP start via lapic_start_cpu()
+ * Turn on CR4.OSFXSR and CR4.OSXMMEXCPT when SSE options enabled
+ */
+ u32 cr4_val;
+ cr4_val = readcr4();
+ cr4_val |= (1 << 9 | 1 << 10);
+ writecr4(cr4_val);
+#endif
cpu_initialize();
#if CONFIG_SERIAL_CPU_INIT == 1
#if CONFIG_MAX_CPUS>2
if (!start_cpu(cpu)) {
/* Record the error in cpu? */
- printk_err("CPU 0x%02x would not start!\n",
+ printk(BIOS_ERR, "CPU 0x%02x would not start!\n",
cpu->path.apic.apic_id);
}
#if CONFIG_SERIAL_CPU_INIT == 1
active_count = atomic_read(&active_cpus);
while(active_count > 1) {
if (active_count != old_active_count) {
- printk_info("Waiting for %d CPUS to stop\n", active_count - 1);
+ printk(BIOS_INFO, "Waiting for %d CPUS to stop\n", active_count - 1);
old_active_count = active_count;
}
udelay(10);
continue;
}
if (!cpu->initialized) {
- printk_err("CPU 0x%02x did not initialize!\n",
+ printk(BIOS_ERR, "CPU 0x%02x did not initialize!\n",
cpu->path.apic.apic_id);
}
}
- printk_debug("All AP CPUs stopped\n");
+ printk(BIOS_DEBUG, "All AP CPUs stopped\n");
}
#else /* CONFIG_SMP */
projects / coreboot.git / blobdiff