diff options
Diffstat (limited to 'kernel/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h')
| -rw-r--r-- | kernel/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/kernel/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h b/kernel/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h new file mode 100644 index 000000000..25737655d --- /dev/null +++ b/kernel/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h @@ -0,0 +1,54 @@ +#ifndef BCM63XX_DEV_SPI_H +#define BCM63XX_DEV_SPI_H + +#include <linux/types.h> +#include <bcm63xx_io.h> +#include <bcm63xx_regs.h> + +int __init bcm63xx_spi_register(void); + +struct bcm63xx_spi_pdata { + unsigned int fifo_size; + unsigned int msg_type_shift; + unsigned int msg_ctl_width; + int bus_num; + int num_chipselect; +}; + +enum bcm63xx_regs_spi { + SPI_CMD, + SPI_INT_STATUS, + SPI_INT_MASK_ST, + SPI_INT_MASK, + SPI_ST, + SPI_CLK_CFG, + SPI_FILL_BYTE, + SPI_MSG_TAIL, + SPI_RX_TAIL, + SPI_MSG_CTL, + SPI_MSG_DATA, + SPI_RX_DATA, +}; + +#define __GEN_SPI_REGS_TABLE(__cpu) \ + [SPI_CMD] = SPI_## __cpu ##_CMD, \ + [SPI_INT_STATUS] = SPI_## __cpu ##_INT_STATUS, \ + [SPI_INT_MASK_ST] = SPI_## __cpu ##_INT_MASK_ST, \ + [SPI_INT_MASK] = SPI_## __cpu ##_INT_MASK, \ + [SPI_ST] = SPI_## __cpu ##_ST, \ + [SPI_CLK_CFG] = SPI_## __cpu ##_CLK_CFG, \ + [SPI_FILL_BYTE] = SPI_## __cpu ##_FILL_BYTE, \ + [SPI_MSG_TAIL] = SPI_## __cpu ##_MSG_TAIL, \ + [SPI_RX_TAIL] = SPI_## __cpu ##_RX_TAIL, \ + [SPI_MSG_CTL] = SPI_## __cpu ##_MSG_CTL, \ + [SPI_MSG_DATA] = SPI_## __cpu ##_MSG_DATA, \ + [SPI_RX_DATA] = SPI_## __cpu ##_RX_DATA, + +static inline unsigned long bcm63xx_spireg(enum bcm63xx_regs_spi reg) +{ + extern const unsigned long *bcm63xx_regs_spi; + + return bcm63xx_regs_spi[reg]; +} + +#endif /* BCM63XX_DEV_SPI_H */ |