circuitpython/ports/litex/hw/common.h
Sean Cross 786e79ebc9 ports: litex: add port and fomu board
This adds support for Litex, along with support for the Fomu FPGA board.

Signed-off-by: Sean Cross <sean@xobs.io>
2020-03-31 09:40:38 +08:00

33 lines
667 B
C

#ifndef _HW_COMMON_H_
#define _HW_COMMON_H_
#include <stdint.h>
static inline void csr_writeb(uint8_t value, uint32_t addr)
{
*((volatile uint8_t *)addr) = value;
}
static inline uint8_t csr_readb(uint32_t addr)
{
return *(volatile uint8_t *)addr;
}
static inline void csr_writew(uint16_t value, uint32_t addr)
{
*((volatile uint16_t *)addr) = value;
}
static inline uint16_t csr_readw(uint32_t addr)
{
return *(volatile uint16_t *)addr;
}
static inline void csr_writel(uint32_t value, uint32_t addr)
{
*((volatile uint32_t *)addr) = value;
}
static inline uint32_t csr_readl(uint32_t addr)
{
return *(volatile uint32_t *)addr;
}
#endif /* _HW_COMMON_H_ */