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Diffstat (limited to 'src/mainboard/prodrive/atlas/ec.h')
| -rw-r--r-- | src/mainboard/prodrive/atlas/ec.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/mainboard/prodrive/atlas/ec.h b/src/mainboard/prodrive/atlas/ec.h new file mode 100644 index 0000000000..bad9904340 --- /dev/null +++ b/src/mainboard/prodrive/atlas/ec.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef MICROCHIP_MEC152X_EC_H +#define MICROCHIP_MEC152X_EC_H + +/* + * Used references: MEC152x datasheet (Microchip document DS00003427C) + */ + +#include <types.h> + +/* TABLE 3-1: BASE ADDRESS */ +#define LDN_ESPI_IO_COMPONENT 0xd + +/* TABLE 9-6: ESPI I/O BASE ADDRESS REGISTER DEFAULT VALUES */ +#define EMI_0_IOBASE_INDEX 0x68 +#define EMI_1_IOBASE_INDEX 0x6c + +void ec_espi_io_program_iobase(const u16 port, const u8 iobase_index, const u16 base); + +void ec_emi_read(u8 *dest, const u16 base, const u8 region, const u16 offset, const u16 length); + +#endif /* MICROCHIP_MEC152X_EC_H */ |