summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorKever Yang <kever.yang@rock-chips.com>2019-07-09 22:00:25 +0800
committerKever Yang <kever.yang@rock-chips.com>2019-07-20 23:59:44 +0800
commit002d897fb143826e48c59342428748c556dcbda0 (patch)
treec6fe0a3e002b6abd00e0e4b70d08f46ecdf5f168
parent19d0de3ee4d0f4fc13f09303fbbe91bf8d8d81d8 (diff)
rockchip: rk3036: use ARM arch timer instead of rk_timer
We prefer to use ARM arch timer instead of rockchip timer, so that we are using the same timer for SPL, U-Boot and Kernel, which will make things simple and easy to track the boot time. Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
-rw-r--r--arch/arm/mach-rockchip/Makefile2
-rw-r--r--arch/arm/mach-rockchip/rk3036-board-spl.c29
-rw-r--r--include/configs/rk3036_common.h7
3 files changed, 31 insertions, 7 deletions
diff --git a/arch/arm/mach-rockchip/Makefile b/arch/arm/mach-rockchip/Makefile
index 933b0a182a..2a0db0af80 100644
--- a/arch/arm/mach-rockchip/Makefile
+++ b/arch/arm/mach-rockchip/Makefile
@@ -42,7 +42,7 @@ endif
obj-$(CONFIG_$(SPL_TPL_)RAM) += sdram_common.o
ifndef CONFIG_ARM64
-ifeq ($(CONFIG_ROCKCHIP_RK3188)$(CONFIG_ROCKCHIP_RK322X),)
+ifeq ($(CONFIG_ROCKCHIP_RK3188)$(CONFIG_ROCKCHIP_RK322X)$(CONFIG_ROCKCHIP_RK3036),)
obj-y += rk_timer.o
endif
endif
diff --git a/arch/arm/mach-rockchip/rk3036-board-spl.c b/arch/arm/mach-rockchip/rk3036-board-spl.c
index 110d06dba5..fbc89b66c4 100644
--- a/arch/arm/mach-rockchip/rk3036-board-spl.c
+++ b/arch/arm/mach-rockchip/rk3036-board-spl.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0+
/*
- * (C) Copyright 2015 Rockchip Electronics Co., Ltd
+ * (C) Copyright 2015-2019 Rockchip Electronics Co., Ltd
*/
#include <common.h>
@@ -8,14 +8,37 @@
#include <asm/io.h>
#include <asm/arch-rockchip/bootrom.h>
#include <asm/arch-rockchip/sdram_rk3036.h>
-#include <asm/arch-rockchip/timer.h>
+
+#define TIMER_LOAD_COUNT_L 0x00
+#define TIMER_LOAD_COUNT_H 0x04
+#define TIMER_CONTROL_REG 0x10
+#define TIMER_EN 0x1
+#define TIMER_FMODE (0 << 1)
+#define TIMER_RMODE (1 << 1)
+
+void rockchip_stimer_init(void)
+{
+ asm volatile("mcr p15, 0, %0, c14, c0, 0"
+ : : "r"(COUNTER_FREQUENCY));
+
+ writel(0, CONFIG_ROCKCHIP_STIMER_BASE + TIMER_CONTROL_REG);
+ writel(0xffffffff, CONFIG_ROCKCHIP_STIMER_BASE);
+ writel(0xffffffff, CONFIG_ROCKCHIP_STIMER_BASE + 4);
+ writel(TIMER_EN | TIMER_FMODE, CONFIG_ROCKCHIP_STIMER_BASE +
+ TIMER_CONTROL_REG);
+}
void board_init_f(ulong dummy)
{
#ifdef CONFIG_DEBUG_UART
debug_uart_init();
#endif
- rockchip_timer_init();
+
+ /* Init secure timer */
+ rockchip_stimer_init();
+ /* Init ARM arch timer in arch/arm/cpu/armv7/arch_timer.c */
+ timer_init();
+
sdram_init();
/* return to maskrom */
diff --git a/include/configs/rk3036_common.h b/include/configs/rk3036_common.h
index f5d09d18e5..73be079b20 100644
--- a/include/configs/rk3036_common.h
+++ b/include/configs/rk3036_common.h
@@ -12,9 +12,10 @@
#define CONFIG_SYS_CBSIZE 1024
#define CONFIG_SKIP_LOWLEVEL_INIT
-#define CONFIG_SYS_TIMER_RATE (24 * 1000 * 1000)
-#define CONFIG_SYS_TIMER_BASE 0x200440a0 /* TIMER5 */
-#define CONFIG_SYS_TIMER_COUNTER (CONFIG_SYS_TIMER_BASE + 8)
+#define CONFIG_ROCKCHIP_STIMER_BASE 0x200440a0
+#define COUNTER_FREQUENCY 24000000
+#define CONFIG_SYS_ARCH_TIMER
+#define CONFIG_SYS_HZ_CLOCK 24000000
#define CONFIG_SYS_INIT_SP_ADDR 0x60100000
#define CONFIG_SYS_LOAD_ADDR 0x60800800