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authorTom Rini <trini@konsulko.com>2016-11-07 21:34:54 -0500
committerTom Rini <trini@konsulko.com>2016-11-21 14:07:29 -0500
commit983e37007da506e8145f9b3a9e1dce5c11116fb0 (patch)
treec1d5449e1c56e17f22bb4f75b6f11336abca41a4 /arch/arm/mach-omap2/omap5/boot.c
parent272686eb7576c02df4616bcf893fde993e7ba57e (diff)
arm: Introduce arch/arm/mach-omap2 for OMAP2 derivative platforms
This moves what was in arch/arm/cpu/armv7/omap-common in to arch/arm/mach-omap2 and moves arch/arm/cpu/armv7/{am33xx,omap3,omap4,omap5} in to arch/arm/mach-omap2 as subdirectories. All refernces to the former locations are updated to the current locations. For the logic to decide what our outputs are, consolidate the tests into a single config.mk rather than including 4. Signed-off-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'arch/arm/mach-omap2/omap5/boot.c')
-rw-r--r--arch/arm/mach-omap2/omap5/boot.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/omap5/boot.c b/arch/arm/mach-omap2/omap5/boot.c
new file mode 100644
index 0000000000..583beccad5
--- /dev/null
+++ b/arch/arm/mach-omap2/omap5/boot.c
@@ -0,0 +1,46 @@
+/*
+ * OMAP5 boot
+ *
+ * Copyright (C) 2015 Paul Kocialkowski <contact@paulk.fr>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/omap_common.h>
+#include <spl.h>
+
+static u32 boot_devices[] = {
+#if defined(CONFIG_DRA7XX) || defined(CONFIG_AM57XX)
+ BOOT_DEVICE_MMC2,
+ BOOT_DEVICE_NAND,
+ BOOT_DEVICE_MMC1,
+ BOOT_DEVICE_SATA,
+ BOOT_DEVICE_XIP,
+ BOOT_DEVICE_XIP,
+ BOOT_DEVICE_SPI,
+ BOOT_DEVICE_SPI,
+#else
+ BOOT_DEVICE_MMC2,
+ BOOT_DEVICE_NAND,
+ BOOT_DEVICE_MMC1,
+ BOOT_DEVICE_SATA,
+ BOOT_DEVICE_XIP,
+ BOOT_DEVICE_MMC2,
+ BOOT_DEVICE_XIPWAIT,
+#endif
+};
+
+u32 omap_sys_boot_device(void)
+{
+ u32 sys_boot;
+
+ /* Grab the first 4 bits of the status register for SYS_BOOT. */
+ sys_boot = readl((u32 *) (*ctrl)->control_status) & ((1 << 4) - 1);
+
+ if (sys_boot >= (sizeof(boot_devices) / sizeof(u32)))
+ return BOOT_DEVICE_NONE;
+
+ return boot_devices[sys_boot];
+}