Heiko Stuebner | fc36785 | 2019-07-16 22:18:21 +0200 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2 | /* |
| 3 | * (C) Copyright 2019 Rockchip Electronics Co., Ltd |
| 4 | */ |
| 5 | |
| 6 | #include <common.h> |
| 7 | #include <debug_uart.h> |
| 8 | #include <dm.h> |
Simon Glass | 9758973 | 2020-05-10 11:40:02 -0600 | [diff] [blame] | 9 | #include <init.h> |
Heiko Stuebner | fc36785 | 2019-07-16 22:18:21 +0200 | [diff] [blame] | 10 | #include <ram.h> |
| 11 | #include <spl.h> |
Heiko Stuebner | fc36785 | 2019-07-16 22:18:21 +0200 | [diff] [blame] | 12 | #include <asm/io.h> |
| 13 | #include <asm/arch-rockchip/bootrom.h> |
| 14 | #include <asm/arch-rockchip/sdram_px30.h> |
| 15 | |
| 16 | #define TIMER_LOAD_COUNT0 0x00 |
| 17 | #define TIMER_LOAD_COUNT1 0x04 |
| 18 | #define TIMER_CUR_VALUE0 0x08 |
| 19 | #define TIMER_CUR_VALUE1 0x0c |
| 20 | #define TIMER_CONTROL_REG 0x10 |
| 21 | |
| 22 | #define TIMER_EN 0x1 |
| 23 | #define TIMER_FMODE (0 << 1) |
| 24 | #define TIMER_RMODE (1 << 1) |
| 25 | |
| 26 | void secure_timer_init(void) |
| 27 | { |
| 28 | writel(0, CONFIG_ROCKCHIP_STIMER_BASE + TIMER_CONTROL_REG); |
| 29 | writel(0xffffffff, CONFIG_ROCKCHIP_STIMER_BASE + TIMER_LOAD_COUNT0); |
| 30 | writel(0xffffffff, CONFIG_ROCKCHIP_STIMER_BASE + TIMER_LOAD_COUNT1); |
| 31 | writel(TIMER_EN | TIMER_FMODE, |
| 32 | CONFIG_ROCKCHIP_STIMER_BASE + TIMER_CONTROL_REG); |
| 33 | } |
| 34 | |
| 35 | void board_init_f(ulong dummy) |
| 36 | { |
| 37 | int ret; |
| 38 | |
Lukasz Czechowski | 6460a70 | 2024-04-17 13:21:28 +0200 | [diff] [blame^] | 39 | #if defined(CONFIG_DEBUG_UART) && defined(CONFIG_TPL_SERIAL) |
Heiko Stuebner | fc36785 | 2019-07-16 22:18:21 +0200 | [diff] [blame] | 40 | debug_uart_init(); |
| 41 | /* |
| 42 | * Debug UART can be used from here if required: |
| 43 | * |
| 44 | * debug_uart_init(); |
| 45 | * printch('a'); |
| 46 | * printhex8(0x1234); |
| 47 | * printascii("string"); |
| 48 | */ |
Lukasz Czechowski | 6460a70 | 2024-04-17 13:21:28 +0200 | [diff] [blame^] | 49 | #if CONFIG_TPL_BANNER_PRINT |
Heiko Stuebner | fc36785 | 2019-07-16 22:18:21 +0200 | [diff] [blame] | 50 | printascii("U-Boot TPL board init\n"); |
| 51 | #endif |
Lukasz Czechowski | 6460a70 | 2024-04-17 13:21:28 +0200 | [diff] [blame^] | 52 | #endif |
Heiko Stuebner | fc36785 | 2019-07-16 22:18:21 +0200 | [diff] [blame] | 53 | |
| 54 | secure_timer_init(); |
| 55 | ret = sdram_init(); |
| 56 | if (ret) |
| 57 | printascii("sdram_init failed\n"); |
| 58 | |
| 59 | /* return to maskrom */ |
| 60 | back_to_bootrom(BROM_BOOT_NEXTSTAGE); |
| 61 | } |