diff options
Diffstat (limited to 'drivers/sysreset/sysreset_xtfpga.c')
-rw-r--r-- | drivers/sysreset/sysreset_xtfpga.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/sysreset/sysreset_xtfpga.c b/drivers/sysreset/sysreset_xtfpga.c new file mode 100644 index 00000000000..84fbc79016a --- /dev/null +++ b/drivers/sysreset/sysreset_xtfpga.c @@ -0,0 +1,36 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Cadence Tensilica xtfpga system reset driver. + * + * (C) Copyright 2016 Cadence Design Systems Inc. + */ + +#include <common.h> +#include <dm.h> +#include <errno.h> +#include <sysreset.h> +#include <asm/io.h> + +static int xtfpga_reset_request(struct udevice *dev, enum sysreset_t type) +{ + switch (type) { + case SYSRESET_COLD: + writel(CFG_SYS_FPGAREG_RESET_CODE, + CFG_SYS_FPGAREG_RESET); + break; + default: + return -EPROTONOSUPPORT; + } + + return -EINPROGRESS; +} + +static struct sysreset_ops xtfpga_sysreset_ops = { + .request = xtfpga_reset_request, +}; + +U_BOOT_DRIVER(xtfpga_sysreset) = { + .name = "xtfpga_sysreset", + .id = UCLASS_SYSRESET, + .ops = &xtfpga_sysreset_ops, +}; |