37 lines
1.0 KiB
C
37 lines
1.0 KiB
C
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/* LCPU MMIO device access */
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#ifndef LCPU_MMIO_H
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#define LCPU_MMIO_H
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typedef struct { /* Header registers for the Wire device */
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uint32_t nrInputs;
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uint32_t nrOutputs;
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} LCPU_WireDevice_Header;
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#define LCPU_WIRE_BASE 0x11310000
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#define LCPU_WIRE_IO_BASE WIRE_BASE + sizeof(LCPU_WireDevice_Header)
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#define LCPU_WIRE_OUTPUT_BASE WIRE_IO_BASE + (WIRE_HEADER->nrInputs * sizeof(uint32_t))
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#define LCPU_WIRE_HEADER ((volatile LCPU_WireDevice_Header*)WIRE_BASE)
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/* retrieve wire input [i] */
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#define LCPU_WIRE_INPUT(i) *(volatile const uint32_t*)(WIRE_IO_BASE + (i * sizeof(uint32_t)))
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/* set wire output [i] */
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#define LCPU_WIRE_OUTPUT(i) *(volatile uint32_t*)(WIRE_OUTPUT_BASE + (i * sizeof(uint32_t)))
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/* syscon device */
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#define LCPU_SYSCON *(volatile uint32_t*)0x11100000
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/* UART device */
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#define LCPU_UART_BASE 0x10000000
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#define LCPU_UART_DATA *(volatile uint32_t*)UART_BASE
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#define LCPU_UART_STATUS UART_DATA
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/* syscon helpers */
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#define LCPU_REBOOT() LCPU_SYSCON = 0x7777;
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#define LCPU_SHUTDOWN() LCPU_SYSCON = 0x5555;
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#endif
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