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mega2560: Add pin configuration for IT5570

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This commit is contained in:
Tim Crawford 2020-03-06 11:15:04 -07:00
parent f9a775e71b
commit abf5c3f20b
1 changed files with 38 additions and 0 deletions
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38
src/board/arduino/mega2560/parallel.c
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@ -10,6 +10,8 @@
#include <arch/uart.h> #include <arch/uart.h>
// Mapping of 24-pin ribbon cable to parallel pins. See schematic // Mapping of 24-pin ribbon cable to parallel pins. See schematic
#define IT8587
#if defined(IT8587)
#define PINS \ #define PINS \
/* Data (KSO0 - KSO7) - bi-directional */ \ /* Data (KSO0 - KSO7) - bi-directional */ \
PIN(d0, 1) \ PIN(d0, 1) \
@ -41,6 +43,42 @@
/* Strap1 (KSI5) */ \ /* Strap1 (KSI5) */ \
/* 1K-Ohm pull-down resistor */ \ /* 1K-Ohm pull-down resistor */ \
PIN(strap_1, 12) PIN(strap_1, 12)
#elif defined(IT5570)
#define PINS \
/* Data (KSO0 - KSO7) - bi-directional */ \
PIN(d0, 24) \
PIN(d1, 23) \
PIN(d2, 22) \
PIN(d3, 18) \
PIN(d4, 16) \
PIN(d5, 15) \
PIN(d6, 12) \
PIN(d7, 9) \
/* Wait# (KSO9) - input */ \
/* low to indicate cycle may begin, high to indicate cycle may end */ \
PIN(wait_n, 7) \
/* Write# (KSI0) - output */ \
/* low to indicate write cycle, high to indicate read cycle */ \
PIN(write_n, 21) \
/* DataStrobe# (KSI1) - output */ \
/* low indicates a data cycle */ \
PIN(data_n, 20) \
/* Reset# (KSI2) - output */ \
/* low requests device reset */ \
PIN(reset_n, 19) \
/* AddressStrobe# (KSI3) - output */ \
/* low indicates an address cycle */ \
PIN(addr_n, 17) \
/* Strap0 (KSI4) */ \
/* 1K-Ohm pull-down resistor */ \
PIN(strap_0, 14) \
/* Strap1 (KSI5) */ \
/* 1K-Ohm pull-down resistor */ \
PIN(strap_1, 13)
#else
#error "Unknown pin configuration: EC not specified"
#endif
#define DATA_BITS \ #define DATA_BITS \
DATA_BIT(0) \ DATA_BIT(0) \