diff options
Diffstat (limited to 'roms/opensbi/platform/andes/ae350/plicsw.h')
| -rw-r--r-- | roms/opensbi/platform/andes/ae350/plicsw.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/roms/opensbi/platform/andes/ae350/plicsw.h b/roms/opensbi/platform/andes/ae350/plicsw.h new file mode 100644 index 000000000..8be61945b --- /dev/null +++ b/roms/opensbi/platform/andes/ae350/plicsw.h @@ -0,0 +1,46 @@ +/* + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2019 Andes Technology Corporation + * + * Authors: + * Zong Li <zong@andestech.com> + * Nylon Chen <nylon7@andestech.com> + */ + +#ifndef _AE350_PLICSW_H_ +#define _AE350_PLICSW_H_ + +#define PLICSW_PRIORITY_BASE 0x4 + +#define PLICSW_PENDING_BASE 0x1000 +#define PLICSW_PENDING_PER_HART 0x8 + +#define PLICSW_ENABLE_BASE 0x2000 +#define PLICSW_ENABLE_PER_HART 0x80 + +#define PLICSW_CONTEXT_BASE 0x200000 +#define PLICSW_CONTEXT_PER_HART 0x1000 +#define PLICSW_CONTEXT_CLAIM 0x4 + +#define PLICSW_HART_MASK 0x80808080 + +struct plicsw { + u32 source_id; + + volatile uint32_t *plicsw_pending; + volatile uint32_t *plicsw_enable; + volatile uint32_t *plicsw_claim; +}; + +void plicsw_ipi_send(u32 target_hart); + +void plicsw_ipi_sync(u32 target_hart); + +void plicsw_ipi_clear(u32 target_hart); + +int plicsw_warm_ipi_init(void); + +int plicsw_cold_ipi_init(unsigned long base, u32 hart_count); + +#endif /* _AE350_PLICSW_H_ */ |