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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 /plat/imx/common/include/imx_wdog.h | |
parent | Initial commit. (diff) | |
download | arm-trusted-firmware-102b0d2daa97dae68d3eed54d8fe37a9cc38a892.tar.xz arm-trusted-firmware-102b0d2daa97dae68d3eed54d8fe37a9cc38a892.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-- | plat/imx/common/include/imx_wdog.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/plat/imx/common/include/imx_wdog.h b/plat/imx/common/include/imx_wdog.h new file mode 100644 index 0000000..75a729a --- /dev/null +++ b/plat/imx/common/include/imx_wdog.h @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef IMX_WDOG_H +#define IMX_WDOG_H + +#include <stdint.h> + +#include <arch.h> + +struct wdog_regs { + uint16_t wcr; + uint16_t wsr; + uint16_t wrsr; + uint16_t wicr; + uint16_t wmcr; +}; + +/* WCR bits */ +#define WCR_WDZST BIT(0) +#define WCR_WDBG BIT(1) +#define WCR_WDE BIT(2) +#define WCR_WDT BIT(3) +#define WCR_SRS BIT(4) +#define WCR_WDA BIT(5) +#define WCR_SRE BIT(6) +#define WCR_WDW BIT(7) +#define WCR_WT(x) ((x) << 8) + +/* WSR bits */ +#define WSR_FIRST 0x5555 +#define WSR_SECOND 0xAAAA + +/* WRSR bits */ +#define WRSR_SFTW BIT(0) +#define WRSR_TOUT BIT(1) +#define WRSR_POR BIT(4) + +/* WICR bits */ +static inline int wicr_calc_wict(int sec, int half_sec) +{ + int wict_bits; + + /* Represents WICR bits 7 - 0 */ + wict_bits = ((sec << 1) | (half_sec ? 1 : 0)); + + return wict_bits; +} + +#define WICR_WTIS BIT(14) +#define WICR_WIE BIT(15) + +/* WMCR bits */ +#define WMCR_PDE BIT(0) + +/* External facing API */ +void imx_wdog_init(void); + +#endif /* IMX_WDOG_H */ |