diff options
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/cadence_qspi_apb.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/drivers/spi/cadence_qspi_apb.c b/drivers/spi/cadence_qspi_apb.c index 00a115f..fb78892 100644 --- a/drivers/spi/cadence_qspi_apb.c +++ b/drivers/spi/cadence_qspi_apb.c @@ -38,10 +38,7 @@ /* Controller sram size in word */ #define CQSPI_REG_SRAM_SIZE_WORD (128) -#define CQSPI_REG_SRAM_RESV_WORDS (2) -#define CQSPI_REG_SRAM_PARTITION_WR (1) -#define CQSPI_REG_SRAM_PARTITION_RD \ - (CQSPI_REG_SRAM_SIZE_WORD - CQSPI_REG_SRAM_RESV_WORDS) +#define CQSPI_REG_SRAM_PARTITION_RD (CQSPI_REG_SRAM_SIZE_WORD/2) #define CQSPI_REG_SRAM_THRESHOLD_WORDS (50) /* Transfer mode */ @@ -538,6 +535,10 @@ void cadence_qspi_apb_controller_init(struct cadence_spi_platdata *plat) /* Configure the remap address register, no remap */ writel(0, plat->regbase + CQSPI_REG_REMAP); + /* Indirect mode configurations */ + writel(CQSPI_REG_SRAM_PARTITION_RD, + plat->regbase + CQSPI_REG_SRAMPARTITION); + /* Disable all interrupts */ writel(0, plat->regbase + CQSPI_REG_IRQMASK); @@ -700,10 +701,6 @@ int cadence_qspi_apb_indirect_read_setup(struct cadence_spi_platdata *plat, writel(((u32)plat->ahbbase & CQSPI_INDIRECTTRIGGER_ADDR_MASK), plat->regbase + CQSPI_REG_INDIRECTTRIGGER); - /* Configure SRAM partition for read. */ - writel(CQSPI_REG_SRAM_PARTITION_RD, plat->regbase + - CQSPI_REG_SRAMPARTITION); - /* Configure the opcode */ rd_reg = cmdbuf[0] << CQSPI_REG_RD_INSTR_OPCODE_LSB; @@ -801,9 +798,6 @@ int cadence_qspi_apb_indirect_write_setup(struct cadence_spi_platdata *plat, writel(((u32)plat->ahbbase & CQSPI_INDIRECTTRIGGER_ADDR_MASK), plat->regbase + CQSPI_REG_INDIRECTTRIGGER); - writel(CQSPI_REG_SRAM_PARTITION_WR, - plat->regbase + CQSPI_REG_SRAMPARTITION); - /* Configure the opcode */ reg = cmdbuf[0] << CQSPI_REG_WR_INSTR_OPCODE_LSB; writel(reg, plat->regbase + CQSPI_REG_WR_INSTR); |