diff options
author | Max Filippov <jcmvbkbc@gmail.com> | 2016-08-07 08:53:00 +0300 |
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committer | Tom Rini <trini@konsulko.com> | 2016-08-12 09:22:17 -0400 |
commit | b25732c22beccb5a2ce3ec4174ea084ba0e176ab (patch) | |
tree | 914152963986e5b9295b89ac63cef90cf0ec6255 /drivers/sysreset/sysreset_rk3399.c | |
parent | da91cfed54ec44d88f93af2adfbdeada8ab4403e (diff) | |
download | u-boot-imx-b25732c22beccb5a2ce3ec4174ea084ba0e176ab.zip u-boot-imx-b25732c22beccb5a2ce3ec4174ea084ba0e176ab.tar.gz u-boot-imx-b25732c22beccb5a2ce3ec4174ea084ba0e176ab.tar.bz2 |
drivers/sysreset: group sysreset drivers
Create drivers/sysreset and move sysreset-uclass and all sysreset
drivers there.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/sysreset/sysreset_rk3399.c')
-rw-r--r-- | drivers/sysreset/sysreset_rk3399.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/sysreset/sysreset_rk3399.c b/drivers/sysreset/sysreset_rk3399.c new file mode 100644 index 0000000..9a55546 --- /dev/null +++ b/drivers/sysreset/sysreset_rk3399.c @@ -0,0 +1,45 @@ +/* + * (C) Copyright 2016 Rockchip Electronics Co., Ltd + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include <common.h> +#include <dm.h> +#include <errno.h> +#include <sysreset.h> +#include <asm/io.h> +#include <asm/arch/clock.h> +#include <asm/arch/cru_rk3399.h> +#include <asm/arch/hardware.h> +#include <linux/err.h> + +int rk3399_sysreset_request(struct udevice *dev, enum sysreset_t type) +{ + struct rk3399_cru *cru = rockchip_get_cru(); + + if (IS_ERR(cru)) + return PTR_ERR(cru); + switch (type) { + case SYSRESET_WARM: + writel(0xeca8, &cru->glb_srst_snd_value); + break; + case SYSRESET_COLD: + writel(0xfdb9, &cru->glb_srst_fst_value); + break; + default: + return -EPROTONOSUPPORT; + } + + return -EINPROGRESS; +} + +static struct sysreset_ops rk3399_sysreset = { + .request = rk3399_sysreset_request, +}; + +U_BOOT_DRIVER(sysreset_rk3399) = { + .name = "rk3399_sysreset", + .id = UCLASS_SYSRESET, + .ops = &rk3399_sysreset, +}; |