mx28evk: add NAND support

NAND support is not enabled by default because Eval Kit is not delivered
with NAND chip. To enable NAND support add CONFIG_CMD_NAND to board config.

Signed-off-by: Lauri Hintsala <lauri.hintsala@bluegiga.com>
Acked-by: Marek Vasut <marex@denx.de>

diff --git a/board/freescale/mx28evk/iomux.c b/board/freescale/mx28evk/iomux.c
index 396761bdff02d2f57294002ea4de207bbafa5191..6587c454fe7f99d68f652bdf2d980b039878395d 100644 (file)
--- a/board/freescale/mx28evk/iomux.c
+++ b/board/freescale/mx28evk/iomux.c
@@ -26,6 +26,7 @@
 #include <asm/arch/sys_proto.h>
 
 #define        MUX_CONFIG_SSP0 (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP)
+#define        MUX_CONFIG_GPMI (MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_NOPULL)
 #define        MUX_CONFIG_ENET (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP)
 #define        MUX_CONFIG_EMI  (MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL)
 #define        MUX_CONFIG_SSP2 (MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_PULLUP)
@@ -55,6 +56,26 @@ const iomux_cfg_t iomux_setup[] = {
        MX28_PAD_PWM3__GPIO_3_28 |
                (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
 
+#ifdef CONFIG_NAND_MXS
+       /* GPMI NAND */
+       MX28_PAD_GPMI_D00__GPMI_D0 | MUX_CONFIG_GPMI,
+       MX28_PAD_GPMI_D01__GPMI_D1 | MUX_CONFIG_GPMI,
+       MX28_PAD_GPMI_D02__GPMI_D2 | MUX_CONFIG_GPMI,
+       MX28_PAD_GPMI_D03__GPMI_D3 | MUX_CONFIG_GPMI,
+       MX28_PAD_GPMI_D04__GPMI_D4 | MUX_CONFIG_GPMI,
+       MX28_PAD_GPMI_D05__GPMI_D5 | MUX_CONFIG_GPMI,
+       MX28_PAD_GPMI_D06__GPMI_D6 | MUX_CONFIG_GPMI,
+       MX28_PAD_GPMI_D07__GPMI_D7 | MUX_CONFIG_GPMI,
+       MX28_PAD_GPMI_CE0N__GPMI_CE0N | MUX_CONFIG_GPMI,
+       MX28_PAD_GPMI_RDY0__GPMI_READY0 | MUX_CONFIG_GPMI,
+       MX28_PAD_GPMI_RDN__GPMI_RDN |
+               (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP),
+       MX28_PAD_GPMI_WRN__GPMI_WRN | MUX_CONFIG_GPMI,
+       MX28_PAD_GPMI_ALE__GPMI_ALE | MUX_CONFIG_GPMI,
+       MX28_PAD_GPMI_CLE__GPMI_CLE | MUX_CONFIG_GPMI,
+       MX28_PAD_GPMI_RESETN__GPMI_RESETN | MUX_CONFIG_GPMI,
+#endif
+
        /* FEC0 */
        MX28_PAD_ENET0_MDC__ENET0_MDC | MUX_CONFIG_ENET,
        MX28_PAD_ENET0_MDIO__ENET0_MDIO | MUX_CONFIG_ENET,

diff --git a/include/configs/mx28evk.h b/include/configs/mx28evk.h
index 31dc718ffb659743a7072a947f363bb9455211fb..5cd9730512671d49a52c75e975f2aa75b20372e5 100644 (file)
--- a/include/configs/mx28evk.h
+++ b/include/configs/mx28evk.h
@@ -148,6 +148,16 @@
 #define CONFIG_MXS_MMC
 #endif
 
+/*
+ * NAND Driver
+ */
+#ifdef CONFIG_CMD_NAND
+#define CONFIG_NAND_MXS
+#define CONFIG_SYS_MAX_NAND_DEVICE     1
+#define CONFIG_SYS_NAND_BASE           0x60000000
+#define CONFIG_SYS_NAND_5_ADDR_CYCLE
+#endif
+
 /*
  * Ethernet on SOC (FEC)
  */