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 <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
  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
  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 }