diff options
Diffstat (limited to 'arch/arm/mach-rockchip/px30-board-tpl.c')
-rw-r--r-- | arch/arm/mach-rockchip/px30-board-tpl.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/arch/arm/mach-rockchip/px30-board-tpl.c b/arch/arm/mach-rockchip/px30-board-tpl.c new file mode 100644 index 0000000000..8c8976f61c --- /dev/null +++ b/arch/arm/mach-rockchip/px30-board-tpl.c @@ -0,0 +1,59 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2019 Rockchip Electronics Co., Ltd + */ + +#include <common.h> +#include <debug_uart.h> +#include <dm.h> +#include <ram.h> +#include <spl.h> +#include <version.h> +#include <asm/io.h> +#include <asm/arch-rockchip/bootrom.h> +#include <asm/arch-rockchip/sdram_px30.h> + +#define TIMER_LOAD_COUNT0 0x00 +#define TIMER_LOAD_COUNT1 0x04 +#define TIMER_CUR_VALUE0 0x08 +#define TIMER_CUR_VALUE1 0x0c +#define TIMER_CONTROL_REG 0x10 + +#define TIMER_EN 0x1 +#define TIMER_FMODE (0 << 1) +#define TIMER_RMODE (1 << 1) + +void secure_timer_init(void) +{ + writel(0, CONFIG_ROCKCHIP_STIMER_BASE + TIMER_CONTROL_REG); + writel(0xffffffff, CONFIG_ROCKCHIP_STIMER_BASE + TIMER_LOAD_COUNT0); + writel(0xffffffff, CONFIG_ROCKCHIP_STIMER_BASE + TIMER_LOAD_COUNT1); + writel(TIMER_EN | TIMER_FMODE, + CONFIG_ROCKCHIP_STIMER_BASE + TIMER_CONTROL_REG); +} + +void board_init_f(ulong dummy) +{ + int ret; + +#ifdef CONFIG_DEBUG_UART + debug_uart_init(); + /* + * Debug UART can be used from here if required: + * + * debug_uart_init(); + * printch('a'); + * printhex8(0x1234); + * printascii("string"); + */ + printascii("U-Boot TPL board init\n"); +#endif + + secure_timer_init(); + ret = sdram_init(); + if (ret) + printascii("sdram_init failed\n"); + + /* return to maskrom */ + back_to_bootrom(BROM_BOOT_NEXTSTAGE); +} |