x86: tsc: Remove legacy timer codes

Now that we have converted all x86 boards to use driver model timer,
remove these legacy timer codes in the tsc driver.

Note this also removes the TSC_CALIBRATION_BYPASS Kconfig option,
as it is not needed with driver model.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>

1 files changed, 0 insertions, 53 deletions

diff --git a/arch/x86/lib/tsc_timer.c b/arch/x86/lib/tsc_timer.c
index 4a95959..6aa2437 100644
--- a/arch/x86/lib/tsc_timer.c
+++ b/arch/x86/lib/tsc_timer.c
@@ -280,63 +280,12 @@ success:
 	return delta / 1000;
 }
 
-#ifndef CONFIG_TIMER
-void timer_set_base(u64 base)
-{
-	gd->arch.tsc_base = base;
-}
-
-/*
- * Get the number of CPU time counter ticks since it was read first time after
- * restart. This yields a free running counter guaranteed to take almost 6
- * years to wrap around even at 100GHz clock rate.
- */
-u64 notrace get_ticks(void)
-{
-	u64 now_tick = rdtsc();
-
-	/* We assume that 0 means the base hasn't been set yet */
-	if (!gd->arch.tsc_base)
-		panic("No tick base available");
-	return now_tick - gd->arch.tsc_base;
-}
-#endif /* CONFIG_TIMER */
-
 /* Get the speed of the TSC timer in MHz */
 unsigned notrace long get_tbclk_mhz(void)
 {
-#ifdef CONFIG_TIMER
 	return get_tbclk() / 1000000;
-#else
-	unsigned long fast_calibrate;
-
-	if (gd->arch.tsc_mhz)
-		return gd->arch.tsc_mhz;
-
-#ifdef CONFIG_TSC_CALIBRATION_BYPASS
-	fast_calibrate = CONFIG_TSC_FREQ_IN_MHZ;
-#else
-	fast_calibrate = try_msr_calibrate_tsc();
-	if (!fast_calibrate) {
-
-		fast_calibrate = quick_pit_calibrate();
-		if (!fast_calibrate)
-			panic("TSC frequency is ZERO");
-	}
-#endif
-
-	gd->arch.tsc_mhz = fast_calibrate;
-	return fast_calibrate;
-#endif
 }
 
-#ifndef CONFIG_TIMER
-unsigned long get_tbclk(void)
-{
-	return get_tbclk_mhz() * 1000 * 1000;
-}
-#endif
-
 static ulong get_ms_timer(void)
 {
 	return (get_ticks() * 1000) / get_tbclk();
@@ -386,7 +335,6 @@ int timer_init(void)
 	return 0;
 }
 
-#ifdef CONFIG_TIMER
 static int tsc_timer_get_count(struct udevice *dev, u64 *count)
 {
 	u64 now_tick = rdtsc();
@@ -439,4 +387,3 @@ U_BOOT_DRIVER(tsc_timer) = {
 	.ops	= &tsc_timer_ops,
 	.flags = DM_FLAG_PRE_RELOC,
 };
-#endif /* CONFIG_TIMER */