diff options
Diffstat (limited to 'fpga/usrp3/top/x400/x4xx_gpio_spi.v')
| -rw-r--r-- | fpga/usrp3/top/x400/x4xx_gpio_spi.v | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/fpga/usrp3/top/x400/x4xx_gpio_spi.v b/fpga/usrp3/top/x400/x4xx_gpio_spi.v index a037ae158..314fda77d 100644 --- a/fpga/usrp3/top/x400/x4xx_gpio_spi.v +++ b/fpga/usrp3/top/x400/x4xx_gpio_spi.v @@ -228,6 +228,10 @@ module x4xx_gpio_spi #( s_ctrlport_resp_data[SPI_RESPONSE_MSB:SPI_RESPONSE] <= readback[SPI_RESPONSE_MSB:SPI_RESPONSE]; end + BASE_ADDRESS + CONTROLLER_INFO: begin + s_ctrlport_resp_data[SLAVE_COUNT_MSB:SLAVE_COUNT] <= NUM_SLAVES; + end + // No register implementation for provided address default: begin // Acknowledge and provide error status if address is in range @@ -534,6 +538,14 @@ endmodule // <info> Records the response of the last completed SPI transaction. </info> // </bitfield> // </register> +// <register name="CONTROLLER_INFO" offset="0x1C" size="32" writable="false"> +// <info> +// Contains information pertaining this SPI controller block. +// </info> +// <bitfield name="SLAVE_COUNT" range="3..0"> +// <info> Indicates the number SPI slaves configurable by the controller. </info> +// </bitfield> +// </register> // </group> //</regmap> //XmlParse xml_off |