diff options
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/cadence_qspi_apb.c | 37 |
1 files changed, 19 insertions, 18 deletions
diff --git a/drivers/spi/cadence_qspi_apb.c b/drivers/spi/cadence_qspi_apb.c index 0a2963d..b41f36b 100644 --- a/drivers/spi/cadence_qspi_apb.c +++ b/drivers/spi/cadence_qspi_apb.c @@ -57,9 +57,9 @@ * Controller's configuration and status register (offset from QSPI_BASE) ****************************************************************************/ #define CQSPI_REG_CONFIG 0x00 -#define CQSPI_REG_CONFIG_CLK_POL_LSB 1 -#define CQSPI_REG_CONFIG_CLK_PHA_LSB 2 #define CQSPI_REG_CONFIG_ENABLE_MASK BIT(0) +#define CQSPI_REG_CONFIG_CLK_POL BIT(1) +#define CQSPI_REG_CONFIG_CLK_PHA BIT(2) #define CQSPI_REG_CONFIG_DIRECT_MASK BIT(7) #define CQSPI_REG_CONFIG_DECODE_MASK BIT(9) #define CQSPI_REG_CONFIG_XIP_IMM_MASK BIT(18) @@ -94,10 +94,10 @@ #define CQSPI_REG_DELAY_TSD2D_MASK 0xFF #define CQSPI_REG_DELAY_TSHSL_MASK 0xFF -#define CQSPI_READLCAPTURE 0x10 -#define CQSPI_READLCAPTURE_BYPASS_LSB 0 -#define CQSPI_READLCAPTURE_DELAY_LSB 1 -#define CQSPI_READLCAPTURE_DELAY_MASK 0xF +#define CQSPI_REG_RD_DATA_CAPTURE 0x10 +#define CQSPI_REG_RD_DATA_CAPTURE_BYPASS BIT(0) +#define CQSPI_REG_RD_DATA_CAPTURE_DELAY_LSB 1 +#define CQSPI_REG_RD_DATA_CAPTURE_DELAY_MASK 0xF #define CQSPI_REG_SIZE 0x14 #define CQSPI_REG_SIZE_ADDRESS_LSB 0 @@ -244,20 +244,20 @@ void cadence_qspi_apb_readdata_capture(void *reg_base, unsigned int reg; cadence_qspi_apb_controller_disable(reg_base); - reg = readl(reg_base + CQSPI_READLCAPTURE); + reg = readl(reg_base + CQSPI_REG_RD_DATA_CAPTURE); if (bypass) - reg |= (1 << CQSPI_READLCAPTURE_BYPASS_LSB); + reg |= CQSPI_REG_RD_DATA_CAPTURE_BYPASS; else - reg &= ~(1 << CQSPI_READLCAPTURE_BYPASS_LSB); + reg &= ~CQSPI_REG_RD_DATA_CAPTURE_BYPASS; - reg &= ~(CQSPI_READLCAPTURE_DELAY_MASK - << CQSPI_READLCAPTURE_DELAY_LSB); + reg &= ~(CQSPI_REG_RD_DATA_CAPTURE_DELAY_MASK + << CQSPI_REG_RD_DATA_CAPTURE_DELAY_LSB); - reg |= ((delay & CQSPI_READLCAPTURE_DELAY_MASK) - << CQSPI_READLCAPTURE_DELAY_LSB); + reg |= (delay & CQSPI_REG_RD_DATA_CAPTURE_DELAY_MASK) + << CQSPI_REG_RD_DATA_CAPTURE_DELAY_LSB; - writel(reg, reg_base + CQSPI_READLCAPTURE); + writel(reg, reg_base + CQSPI_REG_RD_DATA_CAPTURE); cadence_qspi_apb_controller_enable(reg_base); return; @@ -301,11 +301,12 @@ void cadence_qspi_apb_set_clk_mode(void *reg_base, cadence_qspi_apb_controller_disable(reg_base); reg = readl(reg_base + CQSPI_REG_CONFIG); - reg &= ~(1 << CQSPI_REG_CONFIG_CLK_POL_LSB); - reg &= ~(1 << CQSPI_REG_CONFIG_CLK_PHA_LSB); + reg &= ~(CQSPI_REG_CONFIG_CLK_POL | CQSPI_REG_CONFIG_CLK_PHA); - reg |= ((clk_pol & 0x1) << CQSPI_REG_CONFIG_CLK_POL_LSB); - reg |= ((clk_pha & 0x1) << CQSPI_REG_CONFIG_CLK_PHA_LSB); + if (clk_pol) + reg |= CQSPI_REG_CONFIG_CLK_POL; + if (clk_pha) + reg |= CQSPI_REG_CONFIG_CLK_PHA; writel(reg, reg_base + CQSPI_REG_CONFIG); |