From ecb7be2985e130d1d3f7569f086cf50bfe60d337 Mon Sep 17 00:00:00 2001
From: Lauri Hintsala <lauri.hintsala@bluegiga.com>
Date: Tue, 17 Apr 2012 00:35:46 +0000
Subject: [PATCH] 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>
---
board/freescale/mx28evk/iomux.c | 21 +++++++++++++++++++++
include/configs/mx28evk.h | 10 ++++++++++
2 files changed, 31 insertions(+)
diff --git a/board/freescale/mx28evk/iomux.c b/board/freescale/mx28evk/iomux.c
index 396761bdff..6587c454fe 100644
--- 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 31dc718ffb..5cd9730512 100644
--- 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)
*/
--
2.39.5