board/starfive/visionfive2/spl.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2022 StarFive Technology Co., Ltd.
   4  * Author: Yanhong Wang<yanhong.wang@starfivetech.com>
   5  */
   6
   7 #include <common.h>
   8 #include <asm/arch/regs.h>
   9 #include <asm/arch/spl.h>
  10 #include <asm/io.h>
  11 #include <log.h>
  12 #include <spl.h>
  13
  14 #define JH7110_CLK_CPU_ROOT_OFFSET              0x0U
  15 #define JH7110_CLK_CPU_ROOT_SHIFT               24
  16 #define JH7110_CLK_CPU_ROOT_MASK                GENMASK(29, 24)
  17
  18 int spl_board_init_f(void)
  19 {
  20         int ret;
  21
  22         ret = spl_soc_init();
  23         if (ret) {
  24                 debug("JH7110 SPL init failed: %d\n", ret);
  25                 return ret;
  26         }
  27
  28         return 0;
  29 }
  30
  31 u32 spl_boot_device(void)
  32 {
  33         u32 mode;
  34
  35         mode = in_le32(JH7110_BOOT_MODE_SELECT_REG)
  36                                 & JH7110_BOOT_MODE_SELECT_MASK;
  37         switch (mode) {
  38         case 0:
  39                 return BOOT_DEVICE_SPI;
  40
  41         case 1:
  42                 return BOOT_DEVICE_MMC2;
  43
  44         case 2:
  45                 return BOOT_DEVICE_MMC1;
  46
  47         case 3:
  48                 return BOOT_DEVICE_UART;
  49
  50         default:
  51                 debug("Unsupported boot device 0x%x.\n", mode);
  52                 return BOOT_DEVICE_NONE;
  53         }
  54 }
  55
  56 void board_init_f(ulong dummy)
  57 {
  58         int ret;
  59
  60         ret = spl_early_init();
  61         if (ret)
  62                 panic("spl_early_init() failed: %d\n", ret);
  63
  64         riscv_cpu_setup(NULL, NULL);
  65         preloader_console_init();
  66
  67         /* Set the parent clock of cpu_root clock to pll0,
  68          * it must be initialized here
  69          */
  70         clrsetbits_le32(JH7110_SYS_CRG + JH7110_CLK_CPU_ROOT_OFFSET,
  71                         JH7110_CLK_CPU_ROOT_MASK,
  72                         BIT(JH7110_CLK_CPU_ROOT_SHIFT));
  73
  74         ret = spl_board_init_f();
  75         if (ret) {
  76                 debug("spl_board_init_f init failed: %d\n", ret);
  77                 return;
  78         }
  79 }
  80
  81 #if CONFIG_IS_ENABLED(SPL_LOAD_FIT)
  82 int board_fit_config_name_match(const char *name)
  83 {
  84         /* boot using first FIT config */
  85         return 0;
  86 }
  87 #endif