Combined sequence currently forces cmd and addr transfers in X1. Check nbits for CMD and ADDR xfers and update config registers. Signed-off-by: Krishna Yarlagadda <kyarlagadda@xxxxxxxxxx> --- drivers/spi/spi-tegra210-quad.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/drivers/spi/spi-tegra210-quad.c b/drivers/spi/spi-tegra210-quad.c index 06bf19d0cfc1..be11daafb7d4 100644 --- a/drivers/spi/spi-tegra210-quad.c +++ b/drivers/spi/spi-tegra210-quad.c @@ -135,7 +135,7 @@ #define QSPI_COMMAND_VALUE_SET(X) (((x) & 0xFF) << 0) #define QSPI_CMB_SEQ_CMD_CFG 0x1a0 -#define QSPI_COMMAND_X1_X2_X4(x) (((x) & 0x3) << 13) +#define QSPI_COMMAND_X1_X2_X4(x) ((((x) >> 1) & 0x3) << 13) #define QSPI_COMMAND_X1_X2_X4_MASK (0x03 << 13) #define QSPI_COMMAND_SDR_DDR BIT(12) #define QSPI_COMMAND_SIZE_SET(x) (((x) & 0xFF) << 0) @@ -147,7 +147,7 @@ #define QSPI_ADDRESS_VALUE_SET(X) (((x) & 0xFFFF) << 0) #define QSPI_CMB_SEQ_ADDR_CFG 0x1ac -#define QSPI_ADDRESS_X1_X2_X4(x) (((x) & 0x3) << 13) +#define QSPI_ADDRESS_X1_X2_X4(x) ((((x) >> 1) & 0x3) << 13) #define QSPI_ADDRESS_X1_X2_X4_MASK (0x03 << 13) #define QSPI_ADDRESS_SDR_DDR BIT(12) #define QSPI_ADDRESS_SIZE_SET(x) (((x) & 0xFF) << 0) @@ -1029,10 +1029,6 @@ static u32 tegra_qspi_addr_config(bool is_ddr, u8 bus_width, u8 len) { u32 addr_config = 0; - /* Extract Address configuration and value */ - is_ddr = 0; //Only SDR mode supported - bus_width = 0; //X1 mode - if (is_ddr) addr_config |= QSPI_ADDRESS_SDR_DDR; else @@ -1066,13 +1062,13 @@ static int tegra_qspi_combined_seq_xfer(struct tegra_qspi *tqspi, switch (transfer_phase) { case CMD_TRANSFER: /* X1 SDR mode */ - cmd_config = tegra_qspi_cmd_config(false, 0, + cmd_config = tegra_qspi_cmd_config(false, xfer->tx_nbits, xfer->len); cmd_value = *((const u8 *)(xfer->tx_buf)); break; case ADDR_TRANSFER: /* X1 SDR mode */ - addr_config = tegra_qspi_addr_config(false, 0, + addr_config = tegra_qspi_addr_config(false, xfer->tx_nbits, xfer->len); address_value = *((const u32 *)(xfer->tx_buf)); break; -- 2.17.1