Re: [PATCH v2 02/25] mtd: nand: qcom: program NAND_DEV_CMD_VLD register

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On 07/19/2017 05:17 PM, Abhishek Sahu wrote:
The current driver is failing without complete bootchain since
NAND_DEV_CMD_VLD value is not valid.


Reviewed-by: Archit Taneja <architt@xxxxxxxxxxxxxx>

Signed-off-by: Abhishek Sahu <absahu@xxxxxxxxxxxxxx>
---
  drivers/mtd/nand/qcom_nandc.c | 4 ++++
  1 file changed, 4 insertions(+)

diff --git a/drivers/mtd/nand/qcom_nandc.c b/drivers/mtd/nand/qcom_nandc.c
index bc0408c..f3b995d 100644
--- a/drivers/mtd/nand/qcom_nandc.c
+++ b/drivers/mtd/nand/qcom_nandc.c
@@ -148,6 +148,9 @@
  #define	FETCH_ID			0xb
  #define	RESET_DEVICE			0xd
+/* Value for NAND_DEV_CMD_VLD */
+#define NAND_DEV_CMD_VLD_VAL		0x1d
+
  /*
   * the NAND controller performs reads/writes with ECC in 516 byte chunks.
   * the driver calls the chunks 'step' or 'codeword' interchangeably
@@ -1972,6 +1975,7 @@ static int qcom_nandc_setup(struct qcom_nand_controller *nandc)
  {
  	/* kill onenand */
  	nandc_write(nandc, SFLASHC_BURST_CFG, 0);
+	nandc_write(nandc, NAND_DEV_CMD_VLD, NAND_DEV_CMD_VLD_VAL);
/* enable ADM DMA */
  	nandc_write(nandc, NAND_FLASH_CHIP_SELECT, DM_EN);


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