mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-15 01:17:39 +00:00
59 lines
1.3 KiB
C
59 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* (C) Copyright 2019 Rockchip Electronics Co., Ltd
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <debug_uart.h>
|
|
#include <dm.h>
|
|
#include <init.h>
|
|
#include <ram.h>
|
|
#include <spl.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);
|
|
}
|