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>
diff --git a/arch/x86/include/asm/global_data.h b/arch/x86/include/asm/global_data.h
index 8a96fc9..2f84abd 100644
--- a/arch/x86/include/asm/global_data.h
+++ b/arch/x86/include/asm/global_data.h
@@ -29,6 +29,9 @@
/* Architecture-specific global data */
struct arch_global_data {
struct global_data *gd_addr; /* Location of Global Data */
+ uint64_t tsc_base; /* Initial value returned by rdtsc() */
+ uint32_t tsc_base_kclocks; /* Initial tsc as a kclocks value */
+ uint32_t tsc_prev; /* For show_boot_progress() */
};
#endif