summaryrefslogtreecommitdiff
path: root/arch/x86/cpu
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/cpu')
-rw-r--r--arch/x86/cpu/Makefile2
-rw-r--r--arch/x86/cpu/coreboot/coreboot.c13
-rw-r--r--arch/x86/cpu/coreboot/timestamp.c42
-rw-r--r--arch/x86/cpu/cpu.c5
-rw-r--r--arch/x86/cpu/interrupts.c2
-rw-r--r--arch/x86/cpu/timer.c17
-rw-r--r--arch/x86/cpu/u-boot.lds12
7 files changed, 62 insertions, 31 deletions
diff --git a/arch/x86/cpu/Makefile b/arch/x86/cpu/Makefile
index 7b520f8dca..cddf0dd2bc 100644
--- a/arch/x86/cpu/Makefile
+++ b/arch/x86/cpu/Makefile
@@ -30,7 +30,7 @@ LIB = $(obj)lib$(CPU).o
START-y = start.o
START-$(CONFIG_X86_RESET_VECTOR) += resetvec.o start16.o
-COBJS = interrupts.o cpu.o timer.o
+COBJS = interrupts.o cpu.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/arch/x86/cpu/coreboot/coreboot.c b/arch/x86/cpu/coreboot/coreboot.c
index f8e28f0c82..14cb6994cf 100644
--- a/arch/x86/cpu/coreboot/coreboot.c
+++ b/arch/x86/cpu/coreboot/coreboot.c
@@ -26,6 +26,7 @@
#include <asm/u-boot-x86.h>
#include <flash.h>
#include <netdev.h>
+#include <ns16550.h>
#include <asm/msr.h>
#include <asm/cache.h>
#include <asm/io.h>
@@ -90,6 +91,9 @@ void show_boot_progress(int val)
int last_stage_init(void)
{
+ if (gd->flags & GD_FLG_COLD_BOOT)
+ timestamp_add_to_bootstage();
+
return 0;
}
@@ -135,3 +139,12 @@ int board_final_cleanup(void)
return 0;
}
+
+void panic_puts(const char *str)
+{
+ NS16550_t port = (NS16550_t)0x3f8;
+
+ NS16550_init(port, 1);
+ while (*str)
+ NS16550_putc(port, *str++);
+}
diff --git a/arch/x86/cpu/coreboot/timestamp.c b/arch/x86/cpu/coreboot/timestamp.c
index 2ca7a57bce..bd3558a021 100644
--- a/arch/x86/cpu/coreboot/timestamp.c
+++ b/arch/x86/cpu/coreboot/timestamp.c
@@ -39,7 +39,9 @@ static struct timestamp_table *ts_table __attribute__((section(".data")));
void timestamp_init(void)
{
ts_table = lib_sysinfo.tstamp_table;
- timer_set_tsc_base(ts_table->base_time);
+#ifdef CONFIG_SYS_X86_TSC_TIMER
+ timer_set_base(ts_table->base_time);
+#endif
timestamp_add_now(TS_U_BOOT_INITTED);
}
@@ -59,3 +61,41 @@ void timestamp_add_now(enum timestamp_id id)
{
timestamp_add(id, rdtsc());
}
+
+int timestamp_add_to_bootstage(void)
+{
+ uint i;
+
+ if (!ts_table)
+ return -1;
+
+ for (i = 0; i < ts_table->num_entries; i++) {
+ struct timestamp_entry *tse = &ts_table->entries[i];
+ const char *name = NULL;
+
+ switch (tse->entry_id) {
+ case TS_START_ROMSTAGE:
+ name = "start-romstage";
+ break;
+ case TS_BEFORE_INITRAM:
+ name = "before-initram";
+ break;
+ case TS_DEVICE_INITIALIZE:
+ name = "device-initialize";
+ break;
+ case TS_DEVICE_DONE:
+ name = "device-done";
+ break;
+ case TS_SELFBOOT_JUMP:
+ name = "selfboot-jump";
+ break;
+ }
+ if (name) {
+ bootstage_add_record(0, name, BOOTSTAGEF_ALLOC,
+ tse->entry_stamp /
+ get_tbclk_mhz());
+ }
+ }
+
+ return 0;
+}
diff --git a/arch/x86/cpu/cpu.c b/arch/x86/cpu/cpu.c
index 1a2f85c1fe..7a914a5751 100644
--- a/arch/x86/cpu/cpu.c
+++ b/arch/x86/cpu/cpu.c
@@ -120,6 +120,11 @@ void setup_gdt(gd_t *id, u64 *gdt_addr)
int __weak x86_cleanup_before_linux(void)
{
+#ifdef CONFIG_BOOTSTAGE_STASH
+ bootstage_stash((void *)CONFIG_BOOTSTAGE_STASH,
+ CONFIG_BOOTSTAGE_STASH_SIZE);
+#endif
+
return 0;
}
diff --git a/arch/x86/cpu/interrupts.c b/arch/x86/cpu/interrupts.c
index 6dc74e34c6..e733bcb302 100644
--- a/arch/x86/cpu/interrupts.c
+++ b/arch/x86/cpu/interrupts.c
@@ -37,6 +37,8 @@
#include <asm/msr.h>
#include <asm/u-boot-x86.h>
+DECLARE_GLOBAL_DATA_PTR;
+
#define DECLARE_INTERRUPT(x) \
".globl irq_"#x"\n" \
".hidden irq_"#x"\n" \
diff --git a/arch/x86/cpu/timer.c b/arch/x86/cpu/timer.c
deleted file mode 100644
index 149109d4f4..0000000000
--- a/arch/x86/cpu/timer.c
+++ /dev/null
@@ -1,17 +0,0 @@
-/*
- * Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2 as published by the Free
- * Software Foundation.
- */
-
-#include <common.h>
-
-unsigned long timer_get_us(void)
-{
- printf("timer_get_us used but not implemented.\n");
- return 0;
-}
diff --git a/arch/x86/cpu/u-boot.lds b/arch/x86/cpu/u-boot.lds
index 2d6911aa41..b4ecd4bd4a 100644
--- a/arch/x86/cpu/u-boot.lds
+++ b/arch/x86/cpu/u-boot.lds
@@ -79,18 +79,6 @@ SECTIONS
/DISCARD/ : { *(.interp*) }
/DISCARD/ : { *(.gnu*) }
- /* 16bit realmode trampoline code */
- .realmode REALMODE_BASE : AT ( LOADADDR(.rel.dyn) + SIZEOF(.rel.dyn) ) { KEEP(*(.realmode)) }
-
- __realmode_start = LOADADDR(.realmode);
- __realmode_size = SIZEOF(.realmode);
-
- /* 16bit BIOS emulation code (just enough to boot Linux) */
- .bios 0 : AT ( LOADADDR(.realmode) + SIZEOF(.realmode) ) { KEEP(*(.bios)) }
-
- __bios_start = LOADADDR(.bios);
- __bios_size = SIZEOF(.bios);
-
#ifdef CONFIG_X86_RESET_VECTOR
/*