arch/arm/mach-rockchip/rk3399-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
  15 #define TIMER_CHN10_BASE        0xff8680a0
  16 #define TIMER_END_COUNT_L       0x00
  17 #define TIMER_END_COUNT_H       0x04
  18 #define TIMER_INIT_COUNT_L      0x10
  19 #define TIMER_INIT_COUNT_H      0x14
  20 #define TIMER_CONTROL_REG       0x1c
  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(0xffffffff, TIMER_CHN10_BASE + TIMER_END_COUNT_L);
  29         writel(0xffffffff, TIMER_CHN10_BASE + TIMER_END_COUNT_H);
  30         writel(0, TIMER_CHN10_BASE + TIMER_INIT_COUNT_L);
  31         writel(0, TIMER_CHN10_BASE + TIMER_INIT_COUNT_H);
  32         writel(TIMER_EN | TIMER_FMODE, TIMER_CHN10_BASE + TIMER_CONTROL_REG);
  33 }
  34
  35 void board_init_f(ulong dummy)
  36 {
  37         struct udevice *dev;
  38         int ret;
  39
  40 #ifdef CONFIG_DEBUG_UART
  41         debug_uart_init();
  42         /*
  43          * Debug UART can be used from here if required:
  44          *
  45          * debug_uart_init();
  46          * printch('a');
  47          * printhex8(0x1234);
  48          * printascii("string");
  49          */
  50         printascii("U-Boot TPL board init\n");
  51 #endif
  52         ret = spl_early_init();
  53         if (ret) {
  54                 debug("spl_early_init() failed: %d\n", ret);
  55                 hang();
  56         }
  57
  58         secure_timer_init();
  59
  60         ret = uclass_get_device(UCLASS_RAM, 0, &dev);
  61         if (ret) {
  62                 pr_err("DRAM init failed: %d\n", ret);
  63                 return;
  64         }
  65 }
  66
  67 void board_return_to_bootrom(void)
  68 {
  69         back_to_bootrom(BROM_BOOT_NEXTSTAGE);
  70 }
  71
  72 u32 spl_boot_device(void)
  73 {
  74         return BOOT_DEVICE_BOOTROM;
  75 }
  76
  77 void spl_board_init(void)
  78 {
  79         puts("\nU-Boot TPL "  PLAIN_VERSION " (" U_BOOT_DATE " - "
  80              U_BOOT_TIME " " U_BOOT_TZ ")\n");
  81 }
  82
  83 #ifdef CONFIG_SPL_LOAD_FIT
  84 int board_fit_config_name_match(const char *name)
  85 {
  86         /* Just empty function now - can't decide what to choose */
  87         debug("%s: %s\n", __func__, name);
  88
  89         return 0;
  90 }
  91 #endif