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author | Masahiro Yamada <yamada.m@jp.panasonic.com> | 2014-10-03 19:21:06 +0900 |
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committer | Masahiro Yamada <yamada.m@jp.panasonic.com> | 2014-10-05 14:10:09 +0900 |
commit | 5894ca007d217a2fa845facfbb62c6512396a145 (patch) | |
tree | 872971789f6bf682ff9fd9b0a0199ccd8f59febe /arch/arm/cpu/armv7/uniphier/reset.c | |
parent | 7f368553fcada0b38e8a096fcba4fcd64e0d2020 (diff) | |
download | u-boot-imx-5894ca007d217a2fa845facfbb62c6512396a145.zip u-boot-imx-5894ca007d217a2fa845facfbb62c6512396a145.tar.gz u-boot-imx-5894ca007d217a2fa845facfbb62c6512396a145.tar.bz2 |
ARM: UniPhier: add UniPhier SoC support code
These are used by Panasonic UniPhier SoC family.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Diffstat (limited to 'arch/arm/cpu/armv7/uniphier/reset.c')
-rw-r--r-- | arch/arm/cpu/armv7/uniphier/reset.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/uniphier/reset.c b/arch/arm/cpu/armv7/uniphier/reset.c new file mode 100644 index 0000000..b0dc967 --- /dev/null +++ b/arch/arm/cpu/armv7/uniphier/reset.c @@ -0,0 +1,29 @@ +/* + * Copyright (C) 2012-2014 Panasonic Corporation + * Author: Masahiro Yamada <yamada.m@jp.panasonic.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/sc-regs.h> +#include <asm/arch/board.h> + +void reset_cpu(unsigned long ignored) +{ + u32 tmp; + + uniphier_board_reset(); + + writel(5, SC_IRQTIMSET); /* default value */ + + tmp = readl(SC_SLFRSTSEL); + tmp &= ~0x3; /* mask [1:0] */ + tmp |= 0x0; /* XRST reboot */ + writel(tmp, SC_SLFRSTSEL); + + tmp = readl(SC_SLFRSTCTL); + tmp |= 0x1; + writel(tmp, SC_SLFRSTCTL); +} |