#include <dm.h>
#include <errno.h>
#include <malloc.h>
+#include <syscon.h>
#include <asm/control_regs.h>
+#include <asm/coreboot_tables.h>
#include <asm/cpu.h>
#include <asm/lapic.h>
+#include <asm/microcode.h>
#include <asm/mp.h>
+#include <asm/mrccache.h>
#include <asm/msr.h>
#include <asm/mtrr.h>
#include <asm/post.h>
* List of cpu vendor strings along with their normalized
* id values.
*/
-static struct {
+static const struct {
int vendor;
const char *name;
} x86_vendors[] = {
struct gdt_ptr gdt;
gdt.len = (num_entries * X86_GDT_ENTRY_SIZE) - 1;
- gdt.ptr = (u32)boot_gdt;
+ gdt.ptr = (ulong)boot_gdt;
asm volatile("lgdtl %0\n" : : "m" (gdt));
}
c->x86_model += ((tfms >> 16) & 0xF) << 4;
}
+u32 cpu_get_family_model(void)
+{
+ return gd->arch.x86_device & 0x0fff0ff0;
+}
+
+u32 cpu_get_stepping(void)
+{
+ return gd->arch.x86_mask;
+}
+
int x86_cpu_init_f(void)
{
const u32 em_rst = ~X86_CR0_EM;
}
}
+#ifdef CONFIG_I8254_TIMER
+ /* Set up the i8254 timer if required */
+ i8254_init();
+#endif
+
return 0;
}
__weak void reset_cpu(ulong addr)
{
/* Do a hard reset through the chipset's reset control register */
- outb(SYS_RST | RST_CPU, PORT_RESET);
+ outb(SYS_RST | RST_CPU, IO_PORT_RESET);
for (;;)
cpu_hlt();
}
void x86_full_reset(void)
{
- outb(FULL_RST | SYS_RST | RST_CPU, PORT_RESET);
+ outb(FULL_RST | SYS_RST | RST_CPU, IO_PORT_RESET);
}
int dcache_status(void)
memset(pgtable, '\0', PAGETABLE_SIZE);
/* Level 4 needs a single entry */
- pgtable[0] = (uint32_t)&pgtable[1024] + 7;
+ pgtable[0] = (ulong)&pgtable[1024] + 7;
/* Level 3 has one 64-bit entry for each GiB of memory */
- for (i = 0; i < 4; i++) {
- pgtable[1024 + i * 2] = (uint32_t)&pgtable[2048] +
- 0x1000 * i + 7;
- }
+ for (i = 0; i < 4; i++)
+ pgtable[1024 + i * 2] = (ulong)&pgtable[2048] + 0x1000 * i + 7;
/* Level 2 has 2048 64-bit entries, each repesenting 2MiB */
for (i = 0; i < 2048; i++)
void show_boot_progress(int val)
{
-#if MIN_PORT80_KCLOCKS_DELAY
- /*
- * Scale the time counter reading to avoid using 64 bit arithmetics.
- * Can't use get_timer() here becuase it could be not yet
- * initialized or even implemented.
- */
- if (!gd->arch.tsc_prev) {
- gd->arch.tsc_base_kclocks = rdtsc() / 1000;
- gd->arch.tsc_prev = 0;
- } else {
- uint32_t now;
-
- do {
- now = rdtsc() / 1000 - gd->arch.tsc_base_kclocks;
- } while (now < (gd->arch.tsc_prev + MIN_PORT80_KCLOCKS_DELAY));
- gd->arch.tsc_prev = now;
- }
-#endif
outb(val, POST_PORT);
}
#ifndef CONFIG_SYS_COREBOOT
+/*
+ * Implement a weak default function for boards that optionally
+ * need to clean up the system before jumping to the kernel.
+ */
+__weak void board_final_cleanup(void)
+{
+}
+
int last_stage_init(void)
{
write_tables();
+ board_final_cleanup();
+
return 0;
}
#endif
}
#endif
-__weak int x86_init_cpus(void)
+static int x86_init_cpus(void)
{
#ifdef CONFIG_SMP
debug("Init additional CPUs\n");
int cpu_init_r(void)
{
- if (ll_boot_init())
- return x86_init_cpus();
+ struct udevice *dev;
+ int ret;
+
+ if (!ll_boot_init())
+ return 0;
+
+ ret = x86_init_cpus();
+ if (ret)
+ return ret;
+
+ /*
+ * Set up the northbridge, PCH and LPC if available. Note that these
+ * may have had some limited pre-relocation init if they were probed
+ * before relocation, but this is post relocation.
+ */
+ uclass_first_device(UCLASS_NORTHBRIDGE, &dev);
+ uclass_first_device(UCLASS_PCH, &dev);
+ uclass_first_device(UCLASS_LPC, &dev);
+
+ /* Set up pin control if available */
+ ret = syscon_get_by_driver_data(X86_SYSCON_PINCONF, &dev);
+ debug("%s, pinctrl=%p, ret=%d\n", __func__, dev, ret);
+
+ return 0;
+}
+
+#ifndef CONFIG_EFI_STUB
+int reserve_arch(void)
+{
+#ifdef CONFIG_ENABLE_MRC_CACHE
+ mrccache_reserve();
+#endif
+
+#ifdef CONFIG_SEABIOS
+ high_table_reserve();
+#endif
return 0;
}
+#endif