diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/spi/ti_qspi.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/drivers/spi/ti_qspi.c b/drivers/spi/ti_qspi.c index c3d9e7f..664b9ca 100644 --- a/drivers/spi/ti_qspi.c +++ b/drivers/spi/ti_qspi.c @@ -60,6 +60,8 @@ DECLARE_GLOBAL_DATA_PTR; #define QSPI_SETUP0_ADDR_SHIFT (8) #define QSPI_SETUP0_DBITS_SHIFT (10) +#define TI_QSPI_SETUP_REG(priv, cs) (&(priv)->base->setup0 + (cs)) + /* ti qspi register set */ struct ti_qspi_regs { u32 pid; @@ -275,8 +277,8 @@ static void ti_qspi_copy_mmap(void *data, void *offset, size_t len) *((unsigned int *)offset) += len; } -static void ti_qspi_setup_mmap_read(struct ti_qspi_priv *priv, u8 opcode, - u8 data_nbits, u8 addr_width, +static void ti_qspi_setup_mmap_read(struct ti_qspi_priv *priv, int cs, + u8 opcode, u8 data_nbits, u8 addr_width, u8 dummy_bytes) { u32 memval = opcode; @@ -296,7 +298,7 @@ static void ti_qspi_setup_mmap_read(struct ti_qspi_priv *priv, u8 opcode, memval |= ((addr_width - 1) << QSPI_SETUP0_ADDR_SHIFT | dummy_bytes << QSPI_SETUP0_DBITS_SHIFT); - writel(memval, &priv->base->setup0); + writel(memval, TI_QSPI_SETUP_REG(priv, cs)); } static int ti_qspi_set_mode(struct udevice *bus, uint mode) @@ -317,13 +319,15 @@ static int ti_qspi_set_mode(struct udevice *bus, uint mode) static int ti_qspi_exec_mem_op(struct spi_slave *slave, const struct spi_mem_op *op) { + struct dm_spi_slave_platdata *slave_plat; struct ti_qspi_priv *priv; struct udevice *bus; + u32 from = 0; + int ret = 0; bus = slave->dev->parent; priv = dev_get_priv(bus); - u32 from = 0; - int ret = 0; + slave_plat = dev_get_parent_platdata(slave->dev); /* Only optimize read path. */ if (!op->data.nbytes || op->data.dir != SPI_MEM_DATA_IN || @@ -335,8 +339,9 @@ static int ti_qspi_exec_mem_op(struct spi_slave *slave, if (from + op->data.nbytes > priv->mmap_size) return -ENOTSUPP; - ti_qspi_setup_mmap_read(priv, op->cmd.opcode, op->data.buswidth, - op->addr.nbytes, op->dummy.nbytes); + ti_qspi_setup_mmap_read(priv, slave_plat->cs, op->cmd.opcode, + op->data.buswidth, op->addr.nbytes, + op->dummy.nbytes); ti_qspi_copy_mmap((void *)op->data.buf.in, (void *)priv->memory_map + from, op->data.nbytes); @@ -390,7 +395,7 @@ static int ti_qspi_release_bus(struct udevice *dev) writel(0, &priv->base->dc); writel(0, &priv->base->cmd); writel(0, &priv->base->data); - writel(0, &priv->base->setup0); + writel(0, TI_QSPI_SETUP_REG(priv, slave_plat->cs)); return 0; } |