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 <asm/io.h>
  12 #include <asm/arch-rockchip/bootrom.h>
  13
  14 #define TIMER_CHN10_BASE        0xff8680a0
  15 #define TIMER_END_COUNT_L       0x00
  16 #define TIMER_END_COUNT_H       0x04
  17 #define TIMER_INIT_COUNT_L      0x10
  18 #define TIMER_INIT_COUNT_H      0x14
  19 #define TIMER_CONTROL_REG       0x1c
  20
  21 #define TIMER_EN        0x1
  22 #define TIMER_FMODE     (0 << 1)
  23 #define TIMER_RMODE     (1 << 1)
  24
  25 void secure_timer_init(void)
  26 {
  27         writel(0xffffffff, TIMER_CHN10_BASE + TIMER_END_COUNT_L);
  28         writel(0xffffffff, TIMER_CHN10_BASE + TIMER_END_COUNT_H);
  29         writel(0, TIMER_CHN10_BASE + TIMER_INIT_COUNT_L);
  30         writel(0, TIMER_CHN10_BASE + TIMER_INIT_COUNT_H);
  31         writel(TIMER_EN | TIMER_FMODE, TIMER_CHN10_BASE + TIMER_CONTROL_REG);
  32 }
  33
  34 void board_init_f(ulong dummy)
  35 {
  36         struct udevice *dev;
  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         ret = spl_early_init();
  52         if (ret) {
  53                 debug("spl_early_init() failed: %d\n", ret);
  54                 hang();
  55         }
  56
  57         secure_timer_init();
  58
  59         ret = uclass_get_device(UCLASS_RAM, 0, &dev);
  60         if (ret) {
  61                 pr_err("DRAM init failed: %d\n", ret);
  62                 return;
  63         }
  64 }
  65
  66 void board_return_to_bootrom(void)
  67 {
  68         back_to_bootrom(BROM_BOOT_NEXTSTAGE);
  69 }
  70
  71 u32 spl_boot_device(void)
  72 {
  73         return BOOT_DEVICE_BOOTROM;
  74 }
  75
  76 #ifdef CONFIG_SPL_LOAD_FIT
  77 int board_fit_config_name_match(const char *name)
  78 {
  79         /* Just empty function now - can't decide what to choose */
  80         debug("%s: %s\n", __func__, name);
  81
  82         return 0;
  83 }
  84 #endif