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