From 04623617acee518e879f2071fcccb0b31239f913 Mon Sep 17 00:00:00 2001 From: Kever Yang Date: Mon, 22 Jan 2018 14:57:06 +0800 Subject: [PATCH] rockchip: remove rk_timer We do not use rk_timer.c now, remove it. Change-Id: Ifd4863031cc782fd8d85b494046f346230087f9a Signed-off-by: Kever Yang --- 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 853b986646..0000000000 --- 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 -#include -#include -#include - -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); -}