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authorMasahiro Yamada <yamada.m@jp.panasonic.com>2015-02-27 02:26:42 +0900
committerMasahiro Yamada <yamada.m@jp.panasonic.com>2015-03-01 00:01:56 +0900
commit4c425570214cac091d9bdcf840b936062fb8da12 (patch)
treea8a83c219c46dec073438df0c77031418c662b25 /arch/arm/mach-uniphier/board_late_init.c
parent1606b34aa50804227806971dbb6b82ea0bf81f55 (diff)
downloadtalos-obmc-uboot-4c425570214cac091d9bdcf840b936062fb8da12.tar.gz
talos-obmc-uboot-4c425570214cac091d9bdcf840b936062fb8da12.zip
ARM: UniPhier: move SoC sources to mach-uniphier
Move arch/arm/cpu/armv7/uniphier/* -> arch/arm/mach-uniphier/* Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Diffstat (limited to 'arch/arm/mach-uniphier/board_late_init.c')
-rw-r--r--arch/arm/mach-uniphier/board_late_init.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/board_late_init.c b/arch/arm/mach-uniphier/board_late_init.c
new file mode 100644
index 0000000000..0622a1e16e
--- /dev/null
+++ b/arch/arm/mach-uniphier/board_late_init.c
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2014 Panasonic Corporation
+ * Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <spl.h>
+#include <nand.h>
+#include <asm/io.h>
+#include <../drivers/mtd/nand/denali.h>
+
+static void nand_denali_wp_disable(void)
+{
+#ifdef CONFIG_NAND_DENALI
+ /*
+ * Since the boot rom enables the write protection for NAND boot mode,
+ * it must be disabled somewhere for "nand write", "nand erase", etc.
+ * The workaround is here to not disturb the Denali NAND controller
+ * driver just for a really SoC-specific thing.
+ */
+ void __iomem *denali_reg = (void __iomem *)CONFIG_SYS_NAND_REGS_BASE;
+
+ writel(WRITE_PROTECT__FLAG, denali_reg + WRITE_PROTECT);
+#endif
+}
+
+int board_late_init(void)
+{
+ puts("MODE: ");
+
+ switch (spl_boot_device()) {
+ case BOOT_DEVICE_MMC1:
+ printf("eMMC Boot\n");
+ setenv("bootmode", "emmcboot");
+ break;
+ case BOOT_DEVICE_NAND:
+ printf("NAND Boot\n");
+ setenv("bootmode", "nandboot");
+ nand_denali_wp_disable();
+ break;
+ case BOOT_DEVICE_NOR:
+ printf("NOR Boot\n");
+ setenv("bootmode", "norboot");
+ break;
+ default:
+ printf("Unsupported Boot Mode\n");
+ return -1;
+ }
+
+ return 0;
+}
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