Re: [U-Boot] [PATCH] mtd: nand: mxs: reset BCH earlier, too, to avoid NAND startup problems

6 Dec 2012

Hi Wolfram,
On Wed, Dec 5, 2012 at 6:48 PM, Wolfram Sang w.sang@pengutronix.de wrote:
...

diff --git a/drivers/mtd/nand/mxs_nand.c b/drivers/mtd/nand/mxs_nand.c
index 4701be8..e38e151 100644
--- a/drivers/mtd/nand/mxs_nand.c
+++ b/drivers/mtd/nand/mxs_nand.c
@@ -1058,6 +1058,8 @@ int mxs_nand_init(struct mxs_nand_info *info)
 {
        struct mxs_gpmi_regs *gpmi_regs =
                (struct mxs_gpmi_regs *)MXS_GPMI_BASE;

  struct mxs_bch_regs *bch_regs =


          (struct mxs_bch_regs *)MXS_BCH_BASE;
  int i = 0, j;

  info->desc = malloc(sizeof(struct mxs_dma_desc *) *



@@ -1081,6 +1083,7 @@ int mxs_nand_init(struct mxs_nand_info *info)
    /* Reset the GPMI block. */
    mxs_reset_block(&gpmi_regs->hw_gpmi_ctrl0_reg);


  mxs_reset_block(&bch_regs->hw_bch_ctrl_reg);



In your kernel patch you only do the reset for mx23, but here you do
it for mx28.
Which one is correct?
Regards,
Fabio Estevam

    