2 * Copyright 2015 - 2016 Xilinx, Inc.
4 * Michal Simek <michal.simek@xilinx.com>
6 * SPDX-License-Identifier: GPL-2.0+
10 #include <debug_uart.h>
15 #include <asm/arch/hardware.h>
16 #include <asm/arch/sys_proto.h>
18 void board_init_f(ulong dummy)
23 #ifdef CONFIG_DEBUG_UART
24 /* Uart debug for sure */
26 puts("Debug uart enabled\n"); /* or printch() */
28 /* Delay is required for clocks to be propagated */
32 memset(__bss_start, 0, __bss_end - __bss_start);
34 /* No need to call timer init - it is empty for ZynqMP */
35 board_init_r(NULL, 0);
38 static void ps_mode_reset(ulong mode)
40 writel(mode << ZYNQMP_CRL_APB_BOOT_PIN_CTRL_OUT_EN_SHIFT,
41 &crlapb_base->boot_pin_ctrl);
43 writel(mode << ZYNQMP_CRL_APB_BOOT_PIN_CTRL_OUT_VAL_SHIFT |
44 mode << ZYNQMP_CRL_APB_BOOT_PIN_CTRL_OUT_EN_SHIFT,
45 &crlapb_base->boot_pin_ctrl);
49 * Set default PS_MODE1 which is used for USB ULPI phy reset
50 * Also other resets can be connected to this certain pin
53 # define MODE_RESET PS_MODE1
56 #ifdef CONFIG_SPL_BOARD_INIT
57 void spl_board_init(void)
59 preloader_console_init();
60 ps_mode_reset(MODE_RESET);
65 u32 spl_boot_device(void)
70 #if defined(CONFIG_SPL_ZYNQMP_ALT_BOOTMODE_ENABLED)
71 /* Change default boot mode at run-time */
72 writel(CONFIG_SPL_ZYNQMP_ALT_BOOTMODE << BOOT_MODE_ALT_SHIFT,
73 &crlapb_base->boot_mode);
76 reg = readl(&crlapb_base->boot_mode);
77 if (reg >> BOOT_MODE_ALT_SHIFT)
78 reg >>= BOOT_MODE_ALT_SHIFT;
80 bootmode = reg & BOOT_MODES_MASK;
84 return BOOT_DEVICE_RAM;
85 #ifdef CONFIG_SPL_MMC_SUPPORT
89 return BOOT_DEVICE_MMC1;
91 #ifdef CONFIG_SPL_DFU_SUPPORT
93 return BOOT_DEVICE_DFU;
95 #ifdef CONFIG_SPL_SATA_SUPPORT
97 return BOOT_DEVICE_SATA;
100 printf("Invalid Boot Mode:0x%x\n", bootmode);
107 u32 spl_boot_mode(const u32 boot_device)
109 switch (spl_boot_device()) {
110 case BOOT_DEVICE_RAM:
112 case BOOT_DEVICE_MMC1:
113 return MMCSD_MODE_FS;
115 puts("spl: error: unsupported device\n");
120 __weak void psu_init(void)
123 * This function is overridden by the one in
124 * board/xilinx/zynqmp/(platform)/psu_init_gpl.c, if it exists.
128 #ifdef CONFIG_SPL_OS_BOOT
129 int spl_start_uboot(void)
135 #ifdef CONFIG_SPL_LOAD_FIT
136 int board_fit_config_name_match(const char *name)
138 /* Just empty function now - can't decide what to choose */
139 debug("%s: %s\n", __func__, name);