1 /* 2 * (C) Copyright 2014 Xilinx, Inc. Michal Simek 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 #include <common.h> 7 #include <debug_uart.h> 8 #include <spl.h> 9 10 #include <asm/io.h> 11 #include <asm/spl.h> 12 #include <asm/arch/hardware.h> 13 #include <asm/arch/sys_proto.h> 14 15 DECLARE_GLOBAL_DATA_PTR; 16 17 void board_init_f(ulong dummy) 18 { 19 ps7_init(); 20 21 arch_cpu_init(); 22 /* 23 * The debug UART can be used from this point: 24 * debug_uart_init(); 25 * printch('x'); 26 */ 27 } 28 29 #ifdef CONFIG_SPL_BOARD_INIT 30 void spl_board_init(void) 31 { 32 preloader_console_init(); 33 board_init(); 34 } 35 #endif 36 37 u32 spl_boot_device(void) 38 { 39 u32 mode; 40 41 switch ((zynq_slcr_get_boot_mode()) & ZYNQ_BM_MASK) { 42 #ifdef CONFIG_SPL_SPI_SUPPORT 43 case ZYNQ_BM_QSPI: 44 puts("qspi boot\n"); 45 mode = BOOT_DEVICE_SPI; 46 break; 47 #endif 48 case ZYNQ_BM_NAND: 49 mode = BOOT_DEVICE_NAND; 50 break; 51 case ZYNQ_BM_NOR: 52 mode = BOOT_DEVICE_NOR; 53 break; 54 #ifdef CONFIG_SPL_MMC_SUPPORT 55 case ZYNQ_BM_SD: 56 puts("mmc boot\n"); 57 mode = BOOT_DEVICE_MMC1; 58 break; 59 #endif 60 case ZYNQ_BM_JTAG: 61 mode = BOOT_DEVICE_RAM; 62 break; 63 default: 64 puts("Unsupported boot mode selected\n"); 65 hang(); 66 } 67 68 return mode; 69 } 70 71 #ifdef CONFIG_SPL_MMC_SUPPORT 72 u32 spl_boot_mode(void) 73 { 74 return MMCSD_MODE_FS; 75 } 76 #endif 77 78 #ifdef CONFIG_SPL_OS_BOOT 79 int spl_start_uboot(void) 80 { 81 /* boot linux */ 82 return 0; 83 } 84 #endif 85 86 __weak void ps7_init(void) 87 { 88 /* 89 * This function is overridden by the one in 90 * board/xilinx/zynq/(platform)/ps7_init_gpl.c, if it exists. 91 */ 92 } 93