Merge tag 'efi-2020-07-rc6' of https://gitlab.denx.de/u-boot/custodians/u-boot-efi
[oweals/u-boot.git] / arch / arm / mach-omap2 / omap5 / boot.c
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * OMAP5 boot
4  *
5  * Copyright (C) 2015 Paul Kocialkowski <contact@paulk.fr>
6  */
7
8 #include <common.h>
9 #include <asm/io.h>
10 #include <asm/omap_common.h>
11 #include <spl.h>
12
13 static u32 boot_devices[] = {
14 #if defined(CONFIG_DRA7XX)
15         BOOT_DEVICE_MMC2,
16         BOOT_DEVICE_NAND,
17         BOOT_DEVICE_MMC1,
18         BOOT_DEVICE_SATA,
19         BOOT_DEVICE_XIP,
20         BOOT_DEVICE_XIP,
21         BOOT_DEVICE_SPI,
22         BOOT_DEVICE_SPI,
23 #else
24         BOOT_DEVICE_MMC2,
25         BOOT_DEVICE_NAND,
26         BOOT_DEVICE_MMC1,
27         BOOT_DEVICE_SATA,
28         BOOT_DEVICE_XIP,
29         BOOT_DEVICE_MMC2,
30         BOOT_DEVICE_XIPWAIT,
31 #endif
32 };
33
34 u32 omap_sys_boot_device(void)
35 {
36         u32 sys_boot;
37
38         /* Grab the first 4 bits of the status register for SYS_BOOT. */
39         sys_boot = readl((u32 *) (*ctrl)->control_status) & ((1 << 4) - 1);
40
41         if (sys_boot >= (sizeof(boot_devices) / sizeof(u32)))
42                 return BOOT_DEVICE_NONE;
43
44         return boot_devices[sys_boot];
45 }