+// SPDX-License-Identifier: GPL-2.0+
/*
- * (C) Copyright 2015 Rockchip Electronics Co., Ltd
- *
- * SPDX-License-Identifier: GPL-2.0+
+ * (C) Copyright 2015-2019 Rockchip Electronics Co., Ltd
*/
#include <common.h>
#include <debug_uart.h>
+#include <init.h>
#include <asm/io.h>
-#include <asm/arch/grf_rk3036.h>
-#include <asm/arch/hardware.h>
-#include <asm/arch/sdram_rk3036.h>
-#include <asm/arch/timer.h>
-#include <asm/arch/uart.h>
+#include <asm/arch-rockchip/bootrom.h>
+#include <asm/arch-rockchip/sdram_rk3036.h>
-DECLARE_GLOBAL_DATA_PTR;
+#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)
-#define GRF_BASE 0x20008000
-static struct rk3036_grf * const grf = (void *)GRF_BASE;
-
-#define DEBUG_UART_BASE 0x20068000
-
-extern void back_to_bootrom(void);
+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 EARLY_DEBUG
- /*
- * NOTE: sd card and debug uart use same iomux in rk3036,
- * so if you enable uart,
- * you can not boot from sdcard
- */
- rk_clrsetreg(&grf->gpio1c_iomux,
- GPIO1C3_MASK << GPIO1C3_SHIFT |
- GPIO1C2_MASK << GPIO1C2_SHIFT,
- GPIO1C3_UART2_SOUT << GPIO1C3_SHIFT |
- GPIO1C2_UART2_SIN << GPIO1C2_SHIFT);
+#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 */
- back_to_bootrom();
+ back_to_bootrom(BROM_BOOT_NEXTSTAGE);
}
/* Place Holders */
while (1)
;
}
-
-void hang(void)
-{
- while (1)
- ;
-}