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Lily Tsuru 2023-07-30 19:52:12 -04:00
commit 4985206d65
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include/lcpu_mmio.h Normal file
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/* LCPU MMIO device access */
#ifndef LCPU_MMIO_H
#define LCPU_MMIO_H
typedef struct { /* Header registers for the Wire device */
uint32_t nrInputs;
uint32_t nrOutputs;
} LCPU_WireDevice_Header;
#define LCPU_WIRE_BASE 0x11310000
#define LCPU_WIRE_IO_BASE WIRE_BASE + sizeof(LCPU_WireDevice_Header)
#define LCPU_WIRE_OUTPUT_BASE WIRE_IO_BASE + (WIRE_HEADER->nrInputs * sizeof(uint32_t))
#define LCPU_WIRE_HEADER ((volatile LCPU_WireDevice_Header*)WIRE_BASE)
/* retrieve wire input [i] */
#define LCPU_WIRE_INPUT(i) *(volatile const uint32_t*)(WIRE_IO_BASE + (i * sizeof(uint32_t)))
/* set wire output [i] */
#define LCPU_WIRE_OUTPUT(i) *(volatile uint32_t*)(WIRE_OUTPUT_BASE + (i * sizeof(uint32_t)))
/* syscon device */
#define LCPU_SYSCON *(volatile uint32_t*)0x11100000
/* UART device */
#define LCPU_UART_BASE 0x10000000
#define LCPU_UART_DATA *(volatile uint32_t*)UART_BASE
#define LCPU_UART_STATUS UART_DATA
/* syscon helpers */
#define LCPU_REBOOT() LCPU_SYSCON = 0x7777;
#define LCPU_SHUTDOWN() LCPU_SYSCON = 0x5555;
#endif