diff options
Diffstat (limited to 'spi-uart.h')
| -rw-r--r-- | spi-uart.h | 13 |
1 files changed, 13 insertions, 0 deletions
@@ -12,6 +12,19 @@ typedef volatile unsigned int vu32; #define MRST_REGBASE_SPI1 0xff128400 #define MRST_REGBASE_SPI2 0xff128800 +/* HW info for MRST CLk Control Unit, one 32b reg */ +#define MRST_SPI_CLK_BASE 100000000 /* 100m */ +#define MRST_CLK_SPI0_REG 0xff11d86c +#define CLK_SPI_BDIV_OFFSET 0 +#define CLK_SPI_BDIV_MASK 0x00000007 +#define CLK_SPI_CDIV_OFFSET 9 +#define CLK_SPI_CDIV_MASK 0x00000e00 +#define CLK_SPI_CDIV_100M 0x0 +#define CLK_SPI_CDIV_50M 0x1 +#define CLK_SPI_CDIV_33M 0x2 +#define CLK_SPI_CDIV_25M 0x3 +#define CLK_SPI_DISABLE_OFFSET 8 + struct mrst_spi_reg { vu32 ctrlr0; /* control reg 0 */ vu32 ctrlr1; /* control reg 1 */ |