Add support for the Samsung K9LAG08U0M NAND Flash (2-GiB MLC NAND Flash, 2-kiB
pages, 256-kiB blocks, 30-ns R/W cycles, 1 CS) on mx53ard.

eNFC_CLK_ROOT is set up with a cycle time of 37.5 ns (400 MHz / 3 / 5) for this
board, which satisfies the 30-ns NF R/W cycle requirement.

Signed-off-by: Benoît Thébaudeau <benoit.thebaud...@advansee.com>
---
Changes in v6: None
Changes in v5: None
Changes in v4: None
Changes in v3:
 - New patch.

Changes in v2: None

 board/freescale/mx53ard/mx53ard.c |   18 ++++++++++++++++++
 include/configs/mx53ard.h         |   10 ++++++++++
 2 files changed, 28 insertions(+)

diff --git a/board/freescale/mx53ard/mx53ard.c 
b/board/freescale/mx53ard/mx53ard.c
index 2fc8570..8907388 100644
--- a/board/freescale/mx53ard/mx53ard.c
+++ b/board/freescale/mx53ard/mx53ard.c
@@ -58,6 +58,23 @@ void dram_init_banksize(void)
        gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
 }
 
+#ifdef CONFIG_NAND_MXC
+static void setup_iomux_nand(void)
+{
+       mxc_request_iomux(MX53_PIN_NANDF_CLE, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_NANDF_ALE, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_NANDF_CS0, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_NANDF_RE_B, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_NANDF_WE_B, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_NANDF_WP_B, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_NANDF_RB0, IOMUX_CONFIG_ALT0);
+}
+#else
+static void setup_iomux_nand(void)
+{
+}
+#endif
+
 static void setup_iomux_uart(void)
 {
        /* UART1 RXD */
@@ -277,6 +294,7 @@ static void weim_cs1_settings(void)
 
 int board_early_init_f(void)
 {
+       setup_iomux_nand();
        setup_iomux_uart();
        return 0;
 }
diff --git a/include/configs/mx53ard.h b/include/configs/mx53ard.h
index 62cb42b..148f7a2 100644
--- a/include/configs/mx53ard.h
+++ b/include/configs/mx53ard.h
@@ -41,6 +41,16 @@
 #define CONFIG_BOARD_EARLY_INIT_F
 #define CONFIG_MXC_GPIO
 
+#define CONFIG_SYS_MAX_NAND_DEVICE     1
+#define CONFIG_SYS_NAND_BASE           NFC_BASE_ADDR_AXI
+#define CONFIG_NAND_MXC
+#define CONFIG_MXC_NAND_REGS_BASE      NFC_BASE_ADDR_AXI
+#define CONFIG_MXC_NAND_IP_REGS_BASE   NFC_BASE_ADDR
+#define CONFIG_SYS_NAND_LARGEPAGE
+#define CONFIG_MXC_NAND_HWECC
+#define CONFIG_SYS_NAND_USE_FLASH_BBT
+#define CONFIG_CMD_NAND
+
 #define CONFIG_MXC_UART
 #define CONFIG_MXC_UART_BASE   UART1_BASE
 
-- 
1.7.10.4

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