From 4c425570214cac091d9bdcf840b936062fb8da12 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Fri, 27 Feb 2015 02:26:42 +0900 Subject: ARM: UniPhier: move SoC sources to mach-uniphier Move arch/arm/cpu/armv7/uniphier/* -> arch/arm/mach-uniphier/* Signed-off-by: Masahiro Yamada --- arch/arm/mach-uniphier/board_late_init.c | 53 ++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 arch/arm/mach-uniphier/board_late_init.c (limited to 'arch/arm/mach-uniphier/board_late_init.c') 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 + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include +#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; +} -- cgit v1.2.1