[PATCH] spi: nxp_fspi: reset the FLSHxCR1 registers

[Han Xu]

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 at nxp.com>
---
 drivers/spi/nxp_fspi.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/spi/nxp_fspi.c b/drivers/spi/nxp_fspi.c
index 579d6bac9b..5db27f9ae2 100644
--- a/drivers/spi/nxp_fspi.c
+++ b/drivers/spi/nxp_fspi.c
@@ -927,6 +927,13 @@ 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 flashx control1 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);
-- 
2.34.1