/*
2005.12 yhlu add coreboot_ram cross the vga font buffer handling
- 2005.12 yhlu add _RAMBASE above 1M support for SMP
+ 2005.12 yhlu add CONFIG_RAMBASE above 1M support for SMP
2008.05 stepan add support for going back to sipi wait state
*/
#if CONFIG_SMP == 1
-#if _RAMBASE >= 0x100000
+#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.
}
#endif
+#if CONFIG_HAVE_ACPI_RESUME == 1
+char *lowmem_backup;
+char *lowmem_backup_ptr;
+int lowmem_backup_size;
+#endif
+
static void copy_secondary_start_to_1m_below(void)
{
-#if _RAMBASE >= 0x100000
+#if CONFIG_RAMBASE >= 0x100000
extern char _secondary_start[];
extern char _secondary_start_end[];
unsigned long code_size;
start_eip = get_valid_start_eip((unsigned long)_secondary_start);
code_size = (unsigned long)_secondary_start_end - (unsigned long)_secondary_start;
+#if CONFIG_HAVE_ACPI_RESUME == 1
+ /* need to save it for RAM resume */
+ lowmem_backup_size = code_size;
+ lowmem_backup = malloc(code_size);
+ lowmem_backup_ptr = (char *)start_eip;
+
+ if (lowmem_backup == NULL)
+ die("Out of backup memory\n");
+
+ memcpy(lowmem_backup, lowmem_backup_ptr, lowmem_backup_size);
+#endif
/* copy the _secondary_start to the ram below 1M*/
memcpy((unsigned char *)start_eip, (unsigned char *)_secondary_start, code_size);
send_status = lapic_read(LAPIC_ICR) & LAPIC_ICR_BUSY;
} while (send_status && (timeout++ < 1000));
if (timeout >= 1000) {
- printk_err("CPU %d: First apic write timed out. Disabling\n",
+ printk_err("CPU %ld: First apic write timed out. Disabling\n",
apicid);
// too bad.
- printk_err("ESR is 0x%x\n", lapic_read(LAPIC_ESR));
+ printk_err("ESR is 0x%lx\n", lapic_read(LAPIC_ESR));
if (lapic_read(LAPIC_ESR)) {
printk_err("Try to reset ESR\n");
lapic_write_around(LAPIC_ESR, 0);
- printk_err("ESR is 0x%x\n", lapic_read(LAPIC_ESR));
+ printk_err("ESR is 0x%lx\n", lapic_read(LAPIC_ESR));
}
return 0;
}
send_status = lapic_read(LAPIC_ICR) & LAPIC_ICR_BUSY;
} while (send_status && (timeout++ < 1000));
if (timeout >= 1000) {
- printk_err("CPU %d: Second apic write timed out. Disabling\n",
+ printk_err("CPU %ld: Second apic write timed out. Disabling\n",
apicid);
// too bad.
return 0;
}
-#if _RAMBASE >= 0x100000
+#if CONFIG_RAMBASE >= 0x100000
start_eip = get_valid_start_eip((unsigned long)_secondary_start);
#else
start_eip = (unsigned long)_secondary_start;
maxlvt = 4;
for (j = 1; j <= num_starts; j++) {
- printk_spew("Sending STARTUP #%d to %u.\n", j, apicid);
+ printk_spew("Sending STARTUP #%d to %lu.\n", j, apicid);
lapic_read_around(LAPIC_SPIV);
lapic_write(LAPIC_ESR, 0);
lapic_read(LAPIC_ESR);
spin_lock(&start_cpu_lock);
/* Get the cpu's apicid */
- apicid = cpu->path.u.apic.apic_id;
+ apicid = cpu->path.apic.apic_id;
/* Get an index for the new processor */
index = ++last_cpu_index;
/* Find end of the new processors stack */
-#if (CONFIG_LB_MEM_TOPK>1024) && (_RAMBASE < 0x100000) && ((CONFIG_CONSOLE_VGA==1) || (CONFIG_PCI_ROM_RUN == 1))
+#if (CONFIG_LB_MEM_TOPK>1024) && (CONFIG_RAMBASE < 0x100000) && ((CONFIG_CONSOLE_VGA==1) || (CONFIG_PCI_ROM_RUN == 1))
if(index<1) { // only keep bsp on low
- stack_end = ((unsigned long)_estack) - (STACK_SIZE*index) - sizeof(struct cpu_info);
+ stack_end = ((unsigned long)_estack) - (CONFIG_STACK_SIZE*index) - sizeof(struct cpu_info);
} else {
// for all APs, let use stack after pgtbl, 20480 is the pgtbl size for every cpu
- stack_end = 0x100000+(20480 + STACK_SIZE)*CONFIG_MAX_CPUS - (STACK_SIZE*index);
-#if (0x100000+(20480 + STACK_SIZE)*CONFIG_MAX_CPU) > (CONFIG_LB_MEM_TOPK<<10)
- #warning "We may need to increase CONFIG_LB_MEM_TOPK, it need to be more than (0x100000+(20480 + STACK_SIZE)*CONFIG_MAX_CPU)\n"
+ stack_end = 0x100000+(20480 + CONFIG_STACK_SIZE)*CONFIG_MAX_CPUS - (CONFIG_STACK_SIZE*index);
+#if (0x100000+(20480 + CONFIG_STACK_SIZE)*CONFIG_MAX_CPUS) > (CONFIG_LB_MEM_TOPK<<10)
+ #warning "We may need to increase CONFIG_LB_MEM_TOPK, it need to be more than (0x100000+(20480 + CONFIG_STACK_SIZE)*CONFIG_MAX_CPUS)\n"
#endif
if(stack_end > (CONFIG_LB_MEM_TOPK<<10)) {
- printk_debug("start_cpu: Please increase the CONFIG_LB_MEM_TOPK more than %dK\n", stack_end>>10);
+ printk_debug("start_cpu: Please increase the CONFIG_LB_MEM_TOPK more than %luK\n", stack_end>>10);
die("Can not go on\n");
}
stack_end -= sizeof(struct cpu_info);
}
#else
- stack_end = ((unsigned long)_estack) - (STACK_SIZE*index) - sizeof(struct cpu_info);
+ stack_end = ((unsigned long)_estack) - (CONFIG_STACK_SIZE*index) - sizeof(struct cpu_info);
#endif
{
int timeout;
unsigned long send_status;
- unsigned long lapicid;
+ unsigned long id;
- lapicid = lapic_read(LAPIC_ID) >> 24;
+ id = lapic_read(LAPIC_ID) >> 24;
- printk_debug("CPU %d going down...\n", lapicid);
+ printk_debug("CPU %ld going down...\n", id);
/* send an LAPIC INIT to myself */
- lapic_write_around(LAPIC_ICR2, SET_LAPIC_DEST_FIELD(lapicid));
+ lapic_write_around(LAPIC_ICR2, SET_LAPIC_DEST_FIELD(id));
lapic_write_around(LAPIC_ICR, LAPIC_INT_LEVELTRIG | LAPIC_INT_ASSERT | LAPIC_DM_INIT);
/* wait for the ipi send to finish */
printk_spew("Deasserting INIT.\n");
/* Deassert the LAPIC INIT */
- lapic_write_around(LAPIC_ICR2, SET_LAPIC_DEST_FIELD(lapicid));
+ 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");
/* C entry point of secondary cpus */
void secondary_cpu_init(void)
{
- unsigned long cpunum;
-
atomic_inc(&active_cpus);
-#if SERIAL_CPU_INIT == 1
+#if CONFIG_SERIAL_CPU_INIT == 1
#if CONFIG_MAX_CPUS>2
spin_lock(&start_cpu_lock);
#endif
#endif
cpu_initialize();
-#if SERIAL_CPU_INIT == 1
+#if CONFIG_SERIAL_CPU_INIT == 1
#if CONFIG_MAX_CPUS>2
spin_unlock(&start_cpu_lock);
#endif
if (cpu->path.type != DEVICE_PATH_APIC) {
continue;
}
- #if SERIAL_CPU_INIT == 0
+ #if CONFIG_SERIAL_CPU_INIT == 0
if(cpu==bsp_cpu) {
continue;
}
if (!start_cpu(cpu)) {
/* Record the error in cpu? */
printk_err("CPU 0x%02x would not start!\n",
- cpu->path.u.apic.apic_id);
+ cpu->path.apic.apic_id);
}
-#if SERIAL_CPU_INIT == 1
+#if CONFIG_SERIAL_CPU_INIT == 1
#if CONFIG_MAX_CPUS>2
udelay(10);
#endif
}
if (!cpu->initialized) {
printk_err("CPU 0x%02x did not initialize!\n",
- cpu->path.u.apic.apic_id);
+ cpu->path.apic.apic_id);
}
}
printk_debug("All AP CPUs stopped\n");
#define initialize_other_cpus(root) do {} while(0)
#endif /* CONFIG_SMP */
-#if WAIT_BEFORE_CPUS_INIT==0
+#if CONFIG_WAIT_BEFORE_CPUS_INIT==0
#define cpus_ready_for_init() do {} while(0)
#else
void cpus_ready_for_init(void);
#endif
-#if HAVE_SMI_HANDLER
+#if CONFIG_HAVE_SMI_HANDLER
void smm_init(void);
#endif
/* Get the device path of the boot cpu */
cpu_path.type = DEVICE_PATH_APIC;
- cpu_path.u.apic.apic_id = lapicid();
+ cpu_path.apic.apic_id = lapicid();
#else
/* Get the device path of the boot cpu */
cpu_path.type = DEVICE_PATH_CPU;
- cpu_path.u.cpu.id = 0;
+ cpu_path.cpu.id = 0;
#endif
/* Find the device structure for the boot cpu */
copy_secondary_start_to_1m_below(); // why here? In case some day we can start core1 in amd_sibling_init
#endif
-#if HAVE_SMI_HANDLER
+#if CONFIG_HAVE_SMI_HANDLER
smm_init();
#endif
cpus_ready_for_init();
#if CONFIG_SMP == 1
- #if SERIAL_CPU_INIT == 0
+ #if CONFIG_SERIAL_CPU_INIT == 0
/* start all aps at first, so we can init ECC all together */
start_other_cpus(cpu_bus, info->cpu);
#endif
cpu_initialize();
#if CONFIG_SMP == 1
- #if SERIAL_CPU_INIT == 1
+ #if CONFIG_SERIAL_CPU_INIT == 1
start_other_cpus(cpu_bus, info->cpu);
#endif