From: Scott Branden sbranden@broadcom.com
Base support for the Broadcom Cygnus SoC. Based on iproc-common and the SoC specific reset function.
Signed-off-by: Scott Branden sbranden@broadcom.com Signed-off-by: Steve Rae srae@broadcom.com ---
Changes in v3: None Changes in v2: None
arch/arm/cpu/armv7/bcmcygnus/Makefile | 7 +++++++ arch/arm/cpu/armv7/bcmcygnus/reset.c | 20 ++++++++++++++++++++ 2 files changed, 27 insertions(+) create mode 100644 arch/arm/cpu/armv7/bcmcygnus/Makefile create mode 100644 arch/arm/cpu/armv7/bcmcygnus/reset.c
diff --git a/arch/arm/cpu/armv7/bcmcygnus/Makefile b/arch/arm/cpu/armv7/bcmcygnus/Makefile new file mode 100644 index 0000000..04afcf9 --- /dev/null +++ b/arch/arm/cpu/armv7/bcmcygnus/Makefile @@ -0,0 +1,7 @@ +# +# Copyright 2014 Broadcom Corporation. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y += reset.o diff --git a/arch/arm/cpu/armv7/bcmcygnus/reset.c b/arch/arm/cpu/armv7/bcmcygnus/reset.c new file mode 100644 index 0000000..53ecc0c --- /dev/null +++ b/arch/arm/cpu/armv7/bcmcygnus/reset.c @@ -0,0 +1,20 @@ +/* + * Copyright 2014 Broadcom Corporation. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> + +#define CRMU_MAIL_BOX1 0x03024028 +#define CRMU_SOFT_RESET_CMD 0xFFFFFFFF + +void reset_cpu(ulong ignored) +{ + /* Send soft reset command via Mailbox. */ + writel(CRMU_SOFT_RESET_CMD, CRMU_MAIL_BOX1); + + while (1) + ; /* loop forever till reset */ +}