[U-Boot] [PATCH v3] Correct corrupted NAND Flash access on KARO TX25 modules

[Gachet Daniel]

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)