diff options
author | Masahiro Yamada <yamada.m@jp.panasonic.com> | 2015-02-27 02:26:42 +0900 |
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committer | Masahiro Yamada <yamada.m@jp.panasonic.com> | 2015-03-01 00:01:56 +0900 |
commit | 4c425570214cac091d9bdcf840b936062fb8da12 (patch) | |
tree | a8a83c219c46dec073438df0c77031418c662b25 /arch/arm/mach-uniphier/board_late_init.c | |
parent | 1606b34aa50804227806971dbb6b82ea0bf81f55 (diff) |
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.c | 53 |
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; +} |