[U-Boot] [PATCH 8/8] rockchip: remove unused rk_timer.c

[Kever Yang]

All other SoCs have conver to use ARM arch timer or Rockchip DM timer,
so we can remove rk_timer.c now.

Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
---

 arch/arm/mach-rockchip/rk_timer.c | 48 ---------------------------------------
 1 file changed, 48 deletions(-)
 delete mode 100644 arch/arm/mach-rockchip/rk_timer.c

diff --git a/arch/arm/mach-rockchip/rk_timer.c b/arch/arm/mach-rockchip/rk_timer.c
deleted file mode 100644
index 853b986..0000000
--- a/arch/arm/mach-rockchip/rk_timer.c
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * (C) Copyright 2015 Rockchip Electronics Co., Ltd
- *
- * SPDX-License-Identifier:     GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/arch/timer.h>
-#include <asm/io.h>
-#include <linux/types.h>
-
-struct rk_timer * const timer_ptr = (void *)CONFIG_SYS_TIMER_BASE;
-
-static uint64_t rockchip_get_ticks(void)
-{
-	uint64_t timebase_h, timebase_l;
-
-	timebase_l = readl(&timer_ptr->timer_curr_value0);
-	timebase_h = readl(&timer_ptr->timer_curr_value1);
-
-	return timebase_h << 32 | timebase_l;
-}
-
-static uint64_t usec_to_tick(unsigned int usec)
-{
-	uint64_t tick = usec;
-	tick *= CONFIG_SYS_TIMER_RATE / (1000 * 1000);
-	return tick;
-}
-
-void rockchip_udelay(unsigned int usec)
-{
-	uint64_t tmp;
-
-	/* get timestamp */
-	tmp = rockchip_get_ticks() + usec_to_tick(usec);
-
-	/* loop till event */
-	while (rockchip_get_ticks() < tmp+1)
-		;
-}
-
-void rockchip_timer_init(void)
-{
-	writel(0xffffffff, &timer_ptr->timer_load_count0);
-	writel(0xffffffff, &timer_ptr->timer_load_count1);
-	writel(1, &timer_ptr->timer_ctrl_reg);
-}
-- 
1.9.1