This is not referenced anywhere. Remove it, as well as tsc_base_kclocks and tsc_prev in the global data.
Signed-off-by: Bin Meng bmeng.cn@gmail.com ---
arch/x86/cpu/cpu.c | 18 ------------------ arch/x86/include/asm/global_data.h | 2 -- 2 files changed, 20 deletions(-)
diff --git a/arch/x86/cpu/cpu.c b/arch/x86/cpu/cpu.c index 812c5e4..1707993 100644 --- a/arch/x86/cpu/cpu.c +++ b/arch/x86/cpu/cpu.c @@ -641,24 +641,6 @@ int cpu_jump_to_64bit(ulong setup_base, ulong target)
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); }
diff --git a/arch/x86/include/asm/global_data.h b/arch/x86/include/asm/global_data.h index 35148ab..5966b7c 100644 --- a/arch/x86/include/asm/global_data.h +++ b/arch/x86/include/asm/global_data.h @@ -54,8 +54,6 @@ struct arch_global_data { uint8_t x86_mask; uint32_t x86_device; 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() */ uint32_t tsc_mhz; /* TSC frequency in MHz */ void *new_fdt; /* Relocated FDT */ uint32_t bist; /* Built-in self test value */