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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 
omap_sys_boot_device(void)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 }
46