Hi Stefano,
You will find below the new patch for the NAND flash access problem on the TX25
module.
I hope this version is fulfilling your expectations.
Cordially,
Daniel
diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index 35e89a0..fe1cef6 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -1290,7 +1290,9 @@ static void mxc_setup_config1(void)
uint16_t tmp;
tmp = readw(&host->regs->nfc_config1);
+#ifndef CONFIG_NAND_MXC_NFC_TWO_CYCLES
tmp |= NFC_ONE_CYCLE;
+#endif
tmp |= NFC_4_8N_ECC;
writew(tmp, &host->regs->nfc_config1);
if (host->pagesize_2k)
diff --git a/include/configs/tx25.h b/include/configs/tx25.h
index 87bd8a6..0c9aeb8 100644
--- a/include/configs/tx25.h
+++ b/include/configs/tx25.h
@@ -110,6 +110,7 @@
/* NAND */
#define CONFIG_NAND_MXC
#define CONFIG_NAND_MXC_V1_1
+#define CONFIG_NAND_MXC_NFC_TWO_CYCLES
#define CONFIG_MXC_NAND_REGS_BASE (0xBB000000)
#define CONFIG_SYS_MAX_NAND_DEVICE 1
#define CONFIG_SYS_NAND_BASE (0xBB000000)
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