diff options
| author | Tom Rini <trini@konsulko.com> | 2016-01-27 15:05:36 -0500 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2016-01-27 15:05:36 -0500 |
| commit | cd85bec36d0e0d16fedb00e0c434ed070a9c6b37 (patch) | |
| tree | 69f52abae63886f9c50671e1e058c1a26fc7c8bf /drivers/spi | |
| parent | 19bde0316f2c58b3ab6357832790aee6ed7a4ad5 (diff) | |
| parent | b0f20caf6570fbc4d19c41dcedf9679784042860 (diff) | |
Merge branch 'master' of git://git.denx.de/u-boot-fsl-qoriq
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/fsl_qspi.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/spi/fsl_qspi.c b/drivers/spi/fsl_qspi.c index 542b6cfe355..cb8d929d074 100644 --- a/drivers/spi/fsl_qspi.c +++ b/drivers/spi/fsl_qspi.c @@ -477,8 +477,8 @@ static void qspi_op_rdbank(struct fsl_qspi_priv *priv, u8 *rxbuf, u32 len) static void qspi_op_rdid(struct fsl_qspi_priv *priv, u32 *rxbuf, u32 len) { struct fsl_qspi_regs *regs = priv->regs; - u32 mcr_reg, rbsr_reg, data; - int i, size; + u32 mcr_reg, rbsr_reg, data, size; + int i; mcr_reg = qspi_read32(priv->flags, ®s->mcr); qspi_write32(priv->flags, ®s->mcr, @@ -494,15 +494,15 @@ static void qspi_op_rdid(struct fsl_qspi_priv *priv, u32 *rxbuf, u32 len) ; i = 0; - size = len; - while ((RX_BUFFER_SIZE >= size) && (size > 0)) { + while ((RX_BUFFER_SIZE >= len) && (len > 0)) { rbsr_reg = qspi_read32(priv->flags, ®s->rbsr); if (rbsr_reg & QSPI_RBSR_RDBFL_MASK) { data = qspi_read32(priv->flags, ®s->rbdr[i]); data = qspi_endian_xchg(data); - memcpy(rxbuf, &data, 4); + size = (len < 4) ? len : 4; + memcpy(rxbuf, &data, size); + len -= size; rxbuf++; - size -= 4; i++; } } @@ -639,7 +639,7 @@ static void qspi_op_write(struct fsl_qspi_priv *priv, u8 *txbuf, u32 len) qspi_write32(priv->flags, ®s->mcr, mcr_reg); } -static void qspi_op_rdsr(struct fsl_qspi_priv *priv, u32 *rxbuf) +static void qspi_op_rdsr(struct fsl_qspi_priv *priv, void *rxbuf, u32 len) { struct fsl_qspi_regs *regs = priv->regs; u32 mcr_reg, reg, data; @@ -662,7 +662,7 @@ static void qspi_op_rdsr(struct fsl_qspi_priv *priv, u32 *rxbuf) if (reg & QSPI_RBSR_RDBFL_MASK) { data = qspi_read32(priv->flags, ®s->rbdr[0]); data = qspi_endian_xchg(data); - memcpy(rxbuf, &data, 4); + memcpy(rxbuf, &data, len); qspi_write32(priv->flags, ®s->mcr, qspi_read32(priv->flags, ®s->mcr) | QSPI_MCR_CLR_RXF_MASK); @@ -751,7 +751,7 @@ int qspi_xfer(struct fsl_qspi_priv *priv, unsigned int bitlen, } else if (priv->cur_seqid == QSPI_CMD_RDID) qspi_op_rdid(priv, din, bytes); else if (priv->cur_seqid == QSPI_CMD_RDSR) - qspi_op_rdsr(priv, din); + qspi_op_rdsr(priv, din, bytes); #ifdef CONFIG_SPI_FLASH_BAR else if ((priv->cur_seqid == QSPI_CMD_BRRD) || (priv->cur_seqid == QSPI_CMD_RDEAR)) { @@ -936,7 +936,7 @@ static int fsl_qspi_probe(struct udevice *bus) dm_spi_bus->max_hz = plat->speed_hz; - priv->regs = (struct fsl_qspi_regs *)plat->reg_base; + priv->regs = (struct fsl_qspi_regs *)(uintptr_t)plat->reg_base; priv->flags = plat->flags; priv->speed_hz = plat->speed_hz; |