diff options
| author | Han Xu <han.xu@nxp.com> | 2023-09-06 21:32:54 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-09-11 03:23:59 +0300 |
| commit | 18495676f7886e105133f1dc06c1d5e8d5436f32 (patch) | |
| tree | ad9b14a80b920bb76763d8a67bd295d03b85bbe1 /drivers/spi/spi-nxp-fspi.c | |
| parent | 0bb80ecc33a8fb5a682236443c1e740d5c917d1d (diff) | |
| download | linux-18495676f7886e105133f1dc06c1d5e8d5436f32.tar.xz | |
spi: nxp-fspi: reset the FLSHxCR1 registers
Reset the FLSHxCR1 registers to default value. ROM may set the register
value and it affects the SPI NAND normal functions.
Signed-off-by: Han Xu <han.xu@nxp.com>
Link: https://lore.kernel.org/r/20230906183254.235847-1-han.xu@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-nxp-fspi.c')
| -rw-r--r-- | drivers/spi/spi-nxp-fspi.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/spi/spi-nxp-fspi.c b/drivers/spi/spi-nxp-fspi.c index 45a4acc95661..c964f41dcc42 100644 --- a/drivers/spi/spi-nxp-fspi.c +++ b/drivers/spi/spi-nxp-fspi.c @@ -1084,6 +1084,13 @@ static int nxp_fspi_default_setup(struct nxp_fspi *f) fspi_writel(f, FSPI_AHBCR_PREF_EN | FSPI_AHBCR_RDADDROPT, base + FSPI_AHBCR); + /* Reset the FLSHxCR1 registers. */ + reg = FSPI_FLSHXCR1_TCSH(0x3) | FSPI_FLSHXCR1_TCSS(0x3); + fspi_writel(f, reg, base + FSPI_FLSHA1CR1); + fspi_writel(f, reg, base + FSPI_FLSHA2CR1); + fspi_writel(f, reg, base + FSPI_FLSHB1CR1); + fspi_writel(f, reg, base + FSPI_FLSHB2CR1); + /* AHB Read - Set lut sequence ID for all CS. */ fspi_writel(f, SEQID_LUT, base + FSPI_FLSHA1CR2); fspi_writel(f, SEQID_LUT, base + FSPI_FLSHA2CR2); |