LXR uboot/arch/arm/mach-rockchip/px30-board-tpl.c

   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 <init.h>
  10#include <ram.h>
  11#include <spl.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
  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
  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