From: Yuan Yao <yao.y...@nxp.com>
The QSPI support the direct 4bytes address command for flash
read/write/erase.
And the address can cover the whole QSPI memory space.
Signed-off-by: Yuan Yao <yao.y...@nxp.com>
---
drivers/spi/fsl_qspi.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/spi/fsl_qspi.c b/drivers/spi/fsl_qspi.c
index 2144fca..119b782 100644
--- a/drivers/spi/fsl_qspi.c
+++ b/drivers/spi/fsl_qspi.c
@@ -25,7 +25,8 @@ DECLARE_GLOBAL_DATA_PTR;
#define TX_BUFFER_SIZE 0x40
#endif
-#define OFFSET_BITS_MASK GENMASK(23, 0)
+#define OFFSET_BITS_MASK ((FSL_QSPI_FLASH_SIZE > SZ_16M) ? \
+ GENMASK(27, 0) : GENMASK(23, 0))
#define FLASH_STATUS_WEL 0x02
@@ -760,7 +761,10 @@ int qspi_xfer(struct fsl_qspi_priv *priv, unsigned int
bitlen,
if (dout) {
if (flags & SPI_XFER_BEGIN) {
priv->cur_seqid = *(u8 *)dout;
- memcpy(&txbuf, dout, 4);
+ if (FSL_QSPI_FLASH_SIZE > SZ_16M)
+ memcpy(&txbuf, dout + 1, 4);
+ else
+ memcpy(&txbuf, dout, 4);
}
if (flags == SPI_XFER_END) {
--
2.1.0.27.g96db324
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