src/mainboard/prodrive/atlas/ec.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #ifndef MICROCHIP_MEC152X_EC_H
   4 #define MICROCHIP_MEC152X_EC_H
   5
   6 /*
   7  * Used references: MEC152x datasheet (Microchip document DS00003427C)
   8  */
   9
  10 #include <types.h>
  11
  12 /* TABLE 3-1: BASE ADDRESS */
  13 #define LDN_ESPI_IO_COMPONENT   0xd
  14
  15 /* TABLE 9-6: ESPI I/O BASE ADDRESS REGISTER DEFAULT VALUES */
  16 #define EMI_0_IOBASE_INDEX      0x68
  17 #define EMI_1_IOBASE_INDEX      0x6c
  18
  19 void ec_espi_io_program_iobase(const u16 port, const u8 iobase_index, const u16 base);
  20
  21 void ec_emi_read(u8 *dest, const u16 base, const u8 region, const u16 offset, const u16 length);
  22
  23 #endif /* MICROCHIP_MEC152X_EC_H */