projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| e6a9ed04 MS |
1 | /* |
| 2 | * Copyright 2015 - 2016 Xilinx, Inc. | |
| 3 | * | |
| 4 | * Michal Simek <michal.simek@xilinx.com> | |
| 5 | * | |
| 6 | * SPDX-License-Identifier: GPL-2.0+ | |
| 7 | */ | |
| 8 | ||
| 9 | #include <common.h> | |
| 10 | #include <debug_uart.h> | |
| 11 | #include <spl.h> | |
| 12 | ||
| 13 | #include <asm/io.h> | |
| 14 | #include <asm/spl.h> | |
| 15 | #include <asm/arch/hardware.h> | |
| 16 | #include <asm/arch/sys_proto.h> | |
| 17 | ||
| 18 | void board_init_f(ulong dummy) | |
| 19 | { | |
| 20 | psu_init(); | |
| 21 | board_early_init_r(); | |
| 22 | ||
| 23 | #ifdef CONFIG_DEBUG_UART | |
| 24 | /* Uart debug for sure */ | |
| 25 | debug_uart_init(); | |
| 26 | puts("Debug uart enabled\n"); /* or printch() */ | |
| 27 | #endif | |
| 28 | /* Delay is required for clocks to be propagated */ | |
| 29 | udelay(1000000); | |
| 30 | ||
| 31 | /* Clear the BSS */ | |
| 32 | memset(__bss_start, 0, __bss_end - __bss_start); | |
| 33 | ||
| 34 | /* No need to call timer init - it is empty for ZynqMP */ | |
| 35 | board_init_r(NULL, 0); | |
| 36 | } | |
| 37 | ||
| 38 | #ifdef CONFIG_SPL_BOARD_INIT | |
| 39 | void spl_board_init(void) | |
| 40 | { | |
| 41 | preloader_console_init(); | |
| 42 | board_init(); | |
| 43 | } | |
| 44 | #endif | |
| 45 | ||
| 46 | u32 spl_boot_device(void) | |
| 47 | { | |
| 48 | u32 reg = 0; | |
| 49 | u8 bootmode; | |
| 50 | ||
| 7f491d7b MS |
51 | #if defined(CONFIG_SPL_ZYNQMP_ALT_BOOTMODE_ENABLED) |
| 52 | /* Change default boot mode at run-time */ | |
| 53 | writel(BOOT_MODE_USE_ALT | | |
| 54 | CONFIG_SPL_ZYNQMP_ALT_BOOTMODE << BOOT_MODE_ALT_SHIFT, | |
| 55 | &crlapb_base->boot_mode); | |
| 56 | #endif | |
| 57 | ||
| e6a9ed04 MS |
58 | reg = readl(&crlapb_base->boot_mode); |
| 59 | bootmode = reg & BOOT_MODES_MASK; | |
| 60 | ||
| 61 | switch (bootmode) { | |
| 62 | case JTAG_MODE: | |
| 63 | return BOOT_DEVICE_RAM; | |
| 64 | #ifdef CONFIG_SPL_MMC_SUPPORT | |
| 65 | case EMMC_MODE: | |
| 66 | case SD_MODE: | |
| 67 | case SD_MODE1: | |
| 68 | return BOOT_DEVICE_MMC1; | |
| d58fc12e MS |
69 | #endif |
| 70 | #ifdef CONFIG_SPL_DFU_SUPPORT | |
| 71 | case USB_MODE: | |
| 72 | return BOOT_DEVICE_DFU; | |
| e6a9ed04 MS |
73 | #endif |
| 74 | default: | |
| 75 | printf("Invalid Boot Mode:0x%x\n", bootmode); | |
| 76 | break; | |
| 77 | } | |
| 78 | ||
| 79 | return 0; | |
| 80 | } | |
| 81 | ||
| 2b1cdafa | 82 | u32 spl_boot_mode(const u32 boot_device) |
| e6a9ed04 MS |
83 | { |
| 84 | switch (spl_boot_device()) { | |
| 85 | case BOOT_DEVICE_RAM: | |
| 86 | return 0; | |
| 87 | case BOOT_DEVICE_MMC1: | |
| 88 | return MMCSD_MODE_FS; | |
| 89 | default: | |
| 90 | puts("spl: error: unsupported device\n"); | |
| 91 | hang(); | |
| 92 | } | |
| 93 | } | |
| 94 | ||
| 95 | __weak void psu_init(void) | |
| 96 | { | |
| 97 | /* | |
| 98 | * This function is overridden by the one in | |
| 99 | * board/xilinx/zynqmp/(platform)/psu_init_gpl.c, if it exists. | |
| 100 | */ | |
| 101 | } | |
| 102 | ||
| 103 | #ifdef CONFIG_SPL_OS_BOOT | |
| 104 | int spl_start_uboot(void) | |
| 105 | { | |
| 106 | return 0; | |
| 107 | } | |
| 108 | #endif | |
| 109 | ||
| 110 | #ifdef CONFIG_SPL_LOAD_FIT | |
| 111 | int board_fit_config_name_match(const char *name) | |
| 112 | { | |
| 113 | /* Just empty function now - can't decide what to choose */ | |
| 114 | debug("%s: %s\n", __func__, name); | |
| 115 | ||
| 116 | return 0; | |
| 117 | } | |
| 118 | #endif |