diff options
author | Tom Rini <trini@konsulko.com> | 2017-03-17 13:11:12 (GMT) |
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committer | Tom Rini <trini@konsulko.com> | 2017-03-17 18:15:17 (GMT) |
commit | f9515756b6d76cde99b385dda905dfb20d31ea48 (patch) | |
tree | b2cd0007fb90a43992cb51f1a02d4e191e3dde10 /drivers/sysreset/sysreset_rk3188.c | |
parent | e245f1a5db086d676cbd97371046ea5c5e554326 (diff) | |
parent | 520c174b3564ae183f0e7c118dc8ce3770ae20b0 (diff) | |
download | u-boot-f9515756b6d76cde99b385dda905dfb20d31ea48.tar.xz |
Merge git://git.denx.de/u-boot-rockchip
This includes support for rk3188 from Heiko Stübner and and rk3328 from
Kever Yang. Also included is SPL support for rk3399 and a fix for
rk3288 to get it booting again (spl_early_init()).
Diffstat (limited to 'drivers/sysreset/sysreset_rk3188.c')
-rw-r--r-- | drivers/sysreset/sysreset_rk3188.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/sysreset/sysreset_rk3188.c b/drivers/sysreset/sysreset_rk3188.c new file mode 100644 index 0000000..36ae476 --- /dev/null +++ b/drivers/sysreset/sysreset_rk3188.c @@ -0,0 +1,47 @@ +/* + * (C) Copyright 2015 Google, Inc + * + * 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_rk3188.h> +#include <asm/arch/hardware.h> +#include <linux/err.h> + +int rk3188_sysreset_request(struct udevice *dev, enum sysreset_t type) +{ + struct rk3188_cru *cru = rockchip_get_cru(); + + if (IS_ERR(cru)) + return PTR_ERR(cru); + switch (type) { + case SYSRESET_WARM: + rk_clrreg(&cru->cru_mode_con, 0xffff); + writel(0xeca8, &cru->cru_glb_srst_snd_value); + break; + case SYSRESET_COLD: + rk_clrreg(&cru->cru_mode_con, 0xffff); + writel(0xfdb9, &cru->cru_glb_srst_fst_value); + break; + default: + return -EPROTONOSUPPORT; + } + + return -EINPROGRESS; +} + +static struct sysreset_ops rk3188_sysreset = { + .request = rk3188_sysreset_request, +}; + +U_BOOT_DRIVER(sysreset_rk3188) = { + .name = "rk3188_sysreset", + .id = UCLASS_SYSRESET, + .ops = &rk3188_sysreset, +}; |