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| author | Simon Glass <sjg@chromium.org> | 2013-02-28 19:26:12 +0000 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2013-03-04 15:57:36 -0800 |
| commit | bc2df1afb92435da6fb16310dac6b722bfaade9f (patch) | |
| tree | cd10c393aba37399a0e80a3045a0543e44176003 /arch/x86/cpu/interrupts.c | |
| parent | 8937140957eb91060b766781bb3a9e2b191529a5 (diff) | |
| download | blackbird-obmc-uboot-bc2df1afb92435da6fb16310dac6b722bfaade9f.tar.gz blackbird-obmc-uboot-bc2df1afb92435da6fb16310dac6b722bfaade9f.zip | |
x86: Permit bootstage and timer data to be used prior to relocation
It is useful to be able to access the timer before U-Boot has relocated
so that we can fully support bootstage.
Add new global_data members to support this.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/x86/cpu/interrupts.c')
| -rw-r--r-- | arch/x86/cpu/interrupts.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/arch/x86/cpu/interrupts.c b/arch/x86/cpu/interrupts.c index dd30a05a9d..6dc74e34c6 100644 --- a/arch/x86/cpu/interrupts.c +++ b/arch/x86/cpu/interrupts.c @@ -626,13 +626,12 @@ asm(".globl irq_common_entry\n" \ */ u64 get_ticks(void) { - static u64 tick_base; u64 now_tick = rdtsc(); - if (!tick_base) - tick_base = now_tick; + if (!gd->arch.tsc_base) + gd->arch.tsc_base = now_tick; - return now_tick - tick_base; + return now_tick - gd->arch.tsc_base; } #define PLATFORM_INFO_MSR 0xce |
