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spi: nxp_fspi: reset the FLSHxCR1 registers

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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>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Han Xu
2023-10-10 10:13:51 +08:00
committed by Peng Fan
parent d71e08098e
commit 131e44c544
1 changed files with 7 additions and 0 deletions
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drivers/spi/nxp_fspi.c
+7
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@@ -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);