This patch enables the altera_spi and spi_flash drivers for the nios2-generic board. It allows access to the EPCS/SPI flash on the Altera EP1C20 board.
Signed-off-by: Thomas Chou thomas@wytron.com.tw --- v3: split patches for gpio and spi. v2: remove mmc_spi_init()
board/altera/nios2-generic/custom_fpga.h | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/board/altera/nios2-generic/custom_fpga.h b/board/altera/nios2-generic/custom_fpga.h index 761f605..a11add5 100644 --- a/board/altera/nios2-generic/custom_fpga.h +++ b/board/altera/nios2-generic/custom_fpga.h @@ -35,6 +35,16 @@ #define CONFIG_SMC91111 #define CONFIG_SMC_USE_32_BIT
+/* epcs_controller.epcs_control_port is a altera_avalon_epcs_flash_controller */ +#define EPCS_CONTROLLER_REG_BASE 0x82100200 +#define CONFIG_SYS_ALTERA_SPI_LIST { EPCS_CONTROLLER_REG_BASE } +#define CONFIG_ALTERA_SPI +#define CONFIG_CMD_SPI +#define CONFIG_CMD_SF +#define CONFIG_SF_DEFAULT_SPEED 30000000 +#define CONFIG_SPI_FLASH +#define CONFIG_SPI_FLASH_STMICRO + /* jtag_uart.avalon_jtag_slave is a altera_avalon_jtag_uart */ #define CONFIG_SYS_JTAG_UART_BASE 0x821208b0