1 /* 2 * Copyright (C) 2011 3 * Heiko Schocher, DENX Software Engineering, hs@denx.de. 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 #include <common.h> 8 #include <config.h> 9 #include <spl.h> 10 #include <asm/u-boot.h> 11 #include <asm/utils.h> 12 #include <nand.h> 13 #include <asm/arch/dm365_lowlevel.h> 14 #include <ns16550.h> 15 #include <malloc.h> 16 #include <spi_flash.h> 17 #include <mmc.h> 18 19 DECLARE_GLOBAL_DATA_PTR; 20 21 #ifndef CONFIG_SPL_LIBCOMMON_SUPPORT 22 void puts(const char *str) 23 { 24 while (*str) 25 putc(*str++); 26 } 27 28 void putc(char c) 29 { 30 if (c == '\n') 31 NS16550_putc((NS16550_t)(CONFIG_SYS_NS16550_COM1), '\r'); 32 33 NS16550_putc((NS16550_t)(CONFIG_SYS_NS16550_COM1), c); 34 } 35 #endif /* CONFIG_SPL_LIBCOMMON_SUPPORT */ 36 37 void spl_board_init(void) 38 { 39 #ifdef CONFIG_SOC_DM365 40 dm36x_lowlevel_init(0); 41 #endif 42 #ifdef CONFIG_SOC_DA8XX 43 arch_cpu_init(); 44 #endif 45 preloader_console_init(); 46 } 47 48 u32 spl_boot_mode(const u32 boot_device) 49 { 50 return MMCSD_MODE_RAW; 51 } 52 53 u32 spl_boot_device(void) 54 { 55 switch (davinci_syscfg_regs->bootcfg) { 56 #ifdef CONFIG_SPL_NAND_SUPPORT 57 case DAVINCI_NAND8_BOOT: 58 case DAVINCI_NAND16_BOOT: 59 return BOOT_DEVICE_NAND; 60 #endif 61 62 #ifdef CONFIG_SPL_MMC_SUPPORT 63 case DAVINCI_SD_OR_MMC_BOOT: 64 case DAVINCI_MMC_ONLY_BOOT: 65 return BOOT_DEVICE_MMC1; 66 #endif 67 68 #ifdef CONFIG_SPL_SPI_FLASH_SUPPORT 69 case DAVINCI_SPI0_FLASH_BOOT: 70 case DAVINCI_SPI1_FLASH_BOOT: 71 return BOOT_DEVICE_SPI; 72 #endif 73 74 default: 75 puts("Unknown boot device\n"); 76 hang(); 77 } 78 } 79