diff options
| author | Suresh Gupta <suresh.gupta@nxp.com> | 2017-04-25 07:38:48 (GMT) |
|---|---|---|
| committer | Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com> | 2018-01-12 06:24:32 (GMT) |
| commit | 57be279277d5c2d61ebbe21a767efd8e3b05c364 (patch) | |
| tree | f9ff52ada9aba583d6f2d28dc2839bbb2fc0da10 | |
| parent | 7d961dcd5b35034357196c384edea6210ef49794 (diff) | |
| download | u-boot-57be279277d5c2d61ebbe21a767efd8e3b05c364.tar.xz | |
spi: fsl_qspi: Add 4bytes address support
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.yuan@nxp.com>
| -rw-r--r-- | drivers/spi/fsl_qspi.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/spi/fsl_qspi.c b/drivers/spi/fsl_qspi.c index 0f3f7d9..59eb1ce 100644 --- a/drivers/spi/fsl_qspi.c +++ b/drivers/spi/fsl_qspi.c @@ -26,7 +26,9 @@ 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 @@ -767,7 +769,10 @@ 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 && bytes > 4) + memcpy(&txbuf, dout + 1, 4); + else + memcpy(&txbuf, dout, 4); } if (flags == SPI_XFER_END) { |