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> 9 #include <ram.h> 10 #include <spl.h> 11 #include <version.h> 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 secure_timer_init(void)26void 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 board_init_f(ulong dummy)35void board_init_f(ulong dummy) 36 { 37 int ret; 38 39 #ifdef CONFIG_DEBUG_UART 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 */ 49 printascii("U-Boot TPL board init\n"); 50 #endif 51 52 secure_timer_init(); 53 ret = sdram_init(); 54 if (ret) 55 printascii("sdram_init failed\n"); 56 57 /* return to maskrom */ 58 back_to_bootrom(BROM_BOOT_NEXTSTAGE); 59 } 60