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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:13:47 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:13:47 +0000 |
commit | 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 (patch) | |
tree | bcf648efac40ca6139842707f0eba5a4496a6dd2 /include/drivers/arm/sp805.h | |
parent | Initial commit. (diff) | |
download | arm-trusted-firmware-upstream.tar.xz arm-trusted-firmware-upstream.zip |
Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | include/drivers/arm/sp805.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/include/drivers/arm/sp805.h b/include/drivers/arm/sp805.h new file mode 100644 index 0000000..b00ede1 --- /dev/null +++ b/include/drivers/arm/sp805.h @@ -0,0 +1,36 @@ +/* + * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef SP805_H +#define SP805_H + +#include <lib/utils_def.h> + +/* SP805 register offset */ +#define SP805_WDOG_LOAD_OFF UL(0x000) +#define SP805_WDOG_CTR_OFF UL(0x008) +#define SP805_WDOG_LOCK_OFF UL(0xc00) + +/* Magic word to unlock the wd registers */ +#define WDOG_UNLOCK_KEY U(0x1ACCE551) + +/* Register field definitions */ +#define SP805_CTR_RESEN (U(1) << 1) +#define SP805_CTR_INTEN (U(1) << 0) + +#ifndef __ASSEMBLER__ + +#include <stdint.h> + +/* Public high level API */ + +void sp805_start(uintptr_t base, unsigned int ticks); +void sp805_stop(uintptr_t base); +void sp805_refresh(uintptr_t base, unsigned int ticks); + +#endif /* __ASSEMBLER__ */ + +#endif /* SP805_H */ |