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Diffstat (limited to 'arch/arm/mach-socfpga/arria10-bootsource.c')
-rw-r--r--arch/arm/mach-socfpga/arria10-bootsource.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/arch/arm/mach-socfpga/arria10-bootsource.c b/arch/arm/mach-socfpga/arria10-bootsource.c
new file mode 100644
index 0000000000..26af64a1a4
--- /dev/null
+++ b/arch/arm/mach-socfpga/arria10-bootsource.c
@@ -0,0 +1,53 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <common.h>
+#include <bootsource.h>
+#include <init.h>
+#include <io.h>
+#include <mach/arria10-system-manager.h>
+
+static int arria10_boot_save_loc(void)
+{
+ enum bootsource src = BOOTSOURCE_UNKNOWN;
+ uint32_t val;
+
+ val = readl(ARRIA10_SYSMGR_BOOTINFO);
+
+ switch ((val & 0x7000) >> 12) {
+ case 0:
+ /* reserved */
+ break;
+ case 1:
+ /* FPGA, currently not decoded */
+ break;
+ case 2:
+ case 3:
+ src = BOOTSOURCE_NAND;
+ break;
+ case 4:
+ case 5:
+ src = BOOTSOURCE_MMC;
+ break;
+ case 6:
+ case 7:
+ src = BOOTSOURCE_SPI;
+ break;
+ }
+
+ bootsource_set(src);
+ bootsource_set_instance(0);
+
+ return 0;
+}
+core_initcall(arria10_boot_save_loc);