diff mbox

[v2] davinci: Add NOR flash support for da850/omap-l138

Message ID 1250114089-9318-1-git-send-email-sudhakar.raj@ti.com (mailing list archive)
State Changes Requested
Headers show

Commit Message

Rajashekhara, Sudhakar Aug. 12, 2009, 9:54 p.m. UTC
This patch adds platform data for the 8MB NOR flash
found on da850/omap-l138 EVM. Both NOR and NAND can
co-exist on da850/omap-l138 as they are using different
chip selects.

Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
---
 Since the previous version, EMA_BA_0 pin has been removed
 from the mux table as this pin is not being used on
 DA850/OMAP-L138 EVM for NOR.

 This patch depends on the following patches which I have
 submitted to davinci git:
 [PATCH v2] davinci: Configure MDIO pins for EMAC
 [PATCH v2] davinci: Add platform support for da850/omap-l138 GLCD
 [PATCH v2] davinci: Add MMC/SD support for da850/omap-l138
 [PATCH v2] davinci: Add NAND flash support for DA850/OMAP-L138

 arch/arm/mach-davinci/board-da850-evm.c    |   60 ++++++++++++++++++++++++++++
 arch/arm/mach-davinci/da850.c              |   50 +++++++++++++++++++++++
 arch/arm/mach-davinci/include/mach/da8xx.h |    2 +
 arch/arm/mach-davinci/include/mach/mux.h   |   34 ++++++++++++++++
 4 files changed, 146 insertions(+), 0 deletions(-)

Comments

Kevin Hilman Aug. 12, 2009, 6:07 p.m. UTC | #1
Sudhakar Rajashekhara <sudhakar.raj@ti.com> writes:

> This patch adds platform data for the 8MB NOR flash
> found on da850/omap-l138 EVM. Both NOR and NAND can
> co-exist on da850/omap-l138 as they are using different
> chip selects.
>
> Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
> ---
>  Since the previous version, EMA_BA_0 pin has been removed
>  from the mux table as this pin is not being used on
>  DA850/OMAP-L138 EVM for NOR.
>
>  This patch depends on the following patches which I have
>  submitted to davinci git:
>  [PATCH v2] davinci: Configure MDIO pins for EMAC
>  [PATCH v2] davinci: Add platform support for da850/omap-l138 GLCD
>  [PATCH v2] davinci: Add MMC/SD support for da850/omap-l138
>  [PATCH v2] davinci: Add NAND flash support for DA850/OMAP-L138

Would it be possible to do all these additions without the #ifdefs in
the board file like you did for GLCD.

IOW, just create/register all of them.  The platform_device will be
created and potentially waste some memory if the corresponding
platform_driver is never created, but it makes things a bit more
flexible.

Are there acutally mux conflicts between some of these devices?

If so, until we get some better support for dynamic mux, I think it
would more clear to have this documented (maybe with warnings) in the board
file so users don't have to experiment with Kconfig options to find
a working config.

>  arch/arm/mach-davinci/board-da850-evm.c    |   60 ++++++++++++++++++++++++++++
>  arch/arm/mach-davinci/da850.c              |   50 +++++++++++++++++++++++
>  arch/arm/mach-davinci/include/mach/da8xx.h |    2 +
>  arch/arm/mach-davinci/include/mach/mux.h   |   34 ++++++++++++++++
>  4 files changed, 146 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
> index b879cc5..6087458 100644
> --- a/arch/arm/mach-davinci/board-da850-evm.c
> +++ b/arch/arm/mach-davinci/board-da850-evm.c
> @@ -23,6 +23,7 @@
>  #include <linux/mtd/mtd.h>
>  #include <linux/mtd/nand.h>
>  #include <linux/mtd/partitions.h>
> +#include <linux/mtd/physmap.h>
>  
>  #include <asm/mach-types.h>
>  #include <asm/mach/arch.h>
> @@ -47,6 +48,41 @@
>  /* GPIO 4[1] is used for MMC/SD WP - 16 * 4 + 1 = 65 */
>  #define DA850_MMCSD_WP_PIN		65
>  
> +#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
> +static struct mtd_partition da850_evm_norflash_partition[] = {
> +	{
> +		.name           = "NOR filesystem",
> +		.offset         = 0,
> +		.size           = MTDPART_SIZ_FULL,
> +		.mask_flags     = 0,
> +	},
> +};
> +
> +static struct physmap_flash_data da850_evm_norflash_data = {
> +	.width		= 2,
> +	.parts		= da850_evm_norflash_partition,
> +	.nr_parts	= ARRAY_SIZE(da850_evm_norflash_partition),
> +};
> +
> +static struct resource da850_evm_norflash_resource[] = {
> +	{
> +		.start	= DA8XX_AEMIF_CS2_BASE,
> +		.end	= DA8XX_AEMIF_CS2_BASE + SZ_32M - 1,
> +		.flags	= IORESOURCE_MEM,
> +	},
> +};
> +
> +static struct platform_device da850_evm_norflash_device = {
> +	.name		= "physmap-flash",
> +	.id		= 0,
> +	.dev		= {
> +		.platform_data  = &da850_evm_norflash_data,
> +	},
> +	.num_resources	= 1,
> +	.resource	= da850_evm_norflash_resource,
> +};
> +#endif
> +
>  #if defined(CONFIG_MTD_NAND_DAVINCI) || defined(CONFIG_MTD_NAND_DAVINCI_MODULE)
>  /* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash
>   * (128K blocks). It may be used instead of the (default) SPI flash
> @@ -130,6 +166,9 @@ static struct platform_device *da850_evm_devices[] __initdata = {
>  #if defined(CONFIG_MTD_NAND_DAVINCI) || defined(CONFIG_MTD_NAND_DAVINCI_MODULE)
>  	&da850_evm_nandflash_device,
>  #endif
> +#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
> +	&da850_evm_norflash_device,
> +#endif
>  };
>  
>  #if defined(CONFIG_MMC_DAVINCI) || defined(CONFIG_MMC_DAVINCI_MODULE)
> @@ -192,6 +231,18 @@ static int da850_lcd_hw_init(void)
>  	return 0;
>  }
>  
> +static void __init da850_evm_init_nor(void)
> +{
> +	void __iomem *aemif_addr;
> +
> +	aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K - 1);

Why the  -1 here?

> +	/* Configure data bus width of CS2 to 16 bit */
> +	__raw_writel(1, aemif_addr + 0x10);

Just use writel(), and also some symobilc names would help readability
instead of using hard-coded constants.

> +	iounmap(aemif_addr);
> +}
> +
>  static __init void da850_evm_init(void)
>  {
>  	struct davinci_soc_info *soc_info = &davinci_soc_info;
> @@ -204,6 +255,15 @@ static __init void da850_evm_init(void)
>  				ret);
>  #endif
>  
> +#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
> +	ret = da8xx_pinmux_setup(da850_nor_pins);
> +	if (ret)
> +		pr_warning("da850_evm_init: nor mux setup failed: %d\n",
> +				ret);
> +
> +	da850_evm_init_nor();
> +#endif
> +
>  	platform_add_devices(da850_evm_devices,
>  				ARRAY_SIZE(da850_evm_devices));
>  
> diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
> index 4923f13..2b59e93 100644
> --- a/arch/arm/mach-davinci/da850.c
> +++ b/arch/arm/mach-davinci/da850.c
> @@ -439,6 +439,40 @@ static const struct mux_config da850_pins[] = {
>  	MUX_CFG(DA850, NEMA_CS_4,	7,	8,	15,	1,	false)
>  	MUX_CFG(DA850, NEMA_WE,		7,	16,	15,	1,	false)
>  	MUX_CFG(DA850, NEMA_OE,		7,	20,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_A_0,		12,	28,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_A_3,		12,	16,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_A_4,		12,	12,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_A_5,		12,	8,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_A_6,		12,	4,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_A_7,		12,	0,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_A_8,		11,	28,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_A_9,		11,	24,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_A_10,	11,	20,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_A_11,	11,	16,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_A_12,	11,	12,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_A_13,	11,	8,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_A_14,	11,	4,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_A_15,	11,	0,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_A_16,	10,	28,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_A_17,	10,	24,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_A_18,	10,	20,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_A_19,	10,	16,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_A_20,	10,	12,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_A_21,	10,	8,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_A_22,	10,	4,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_A_23,	10,	0,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_D_8,		8,	28,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_D_9,		8,	24,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_D_10,	8,	20,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_D_11,	8,	16,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_D_12,	8,	12,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_D_13,	8,	8,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_D_14,	8,	4,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_D_15,	8,	0,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_BA_1,	5,	24,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_CLK,		6,	0,	15,	1,	false)
> +	MUX_CFG(DA850, EMA_WAIT_1,	6,	24,	15,	1,	false)
> +	MUX_CFG(DA850, NEMA_CS_2,	7,	0,	15,	1,	false)
>  	/* GPIO function */
>  	MUX_CFG(DA850, GPIO2_15,	5,	0,	15,	8,	false)
>  	MUX_CFG(DA850, GPIO8_10,	18,	28,	15,	8,	false)
> @@ -506,6 +540,22 @@ const short da850_nand_pins[] __initdata = {
>  	-1
>  };
>  
> +const short da850_nor_pins[] __initdata = {
> +	DA850_EMA_BA_1, DA850_EMA_CLK, DA850_EMA_WAIT_1, DA850_NEMA_CS_2,
> +	DA850_NEMA_WE, DA850_NEMA_OE, DA850_EMA_D_0, DA850_EMA_D_1,
> +	DA850_EMA_D_2, DA850_EMA_D_3, DA850_EMA_D_4, DA850_EMA_D_5,
> +	DA850_EMA_D_6, DA850_EMA_D_7, DA850_EMA_D_8, DA850_EMA_D_9,
> +	DA850_EMA_D_10, DA850_EMA_D_11, DA850_EMA_D_12, DA850_EMA_D_13,
> +	DA850_EMA_D_14, DA850_EMA_D_15, DA850_EMA_A_0, DA850_EMA_A_1,
> +	DA850_EMA_A_2, DA850_EMA_A_3, DA850_EMA_A_4, DA850_EMA_A_5,
> +	DA850_EMA_A_6, DA850_EMA_A_7, DA850_EMA_A_8, DA850_EMA_A_9,
> +	DA850_EMA_A_10, DA850_EMA_A_11, DA850_EMA_A_12, DA850_EMA_A_13,
> +	DA850_EMA_A_14, DA850_EMA_A_15, DA850_EMA_A_16, DA850_EMA_A_17,
> +	DA850_EMA_A_18, DA850_EMA_A_19, DA850_EMA_A_20, DA850_EMA_A_21,
> +	DA850_EMA_A_22, DA850_EMA_A_23,
> +	-1
> +};
> +
>  /* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
>  static u8 da850_default_priorities[DA850_N_CP_INTC_IRQ] = {
>  	[IRQ_DA8XX_COMMTX]		= 7,
> diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
> index 71261db..b117d77 100644
> --- a/arch/arm/mach-davinci/include/mach/da8xx.h
> +++ b/arch/arm/mach-davinci/include/mach/da8xx.h
> @@ -39,6 +39,7 @@
>  #define DA8XX_PSC1_BASE		0x01e27000
>  #define DA8XX_LCD_CNTRL_BASE	0x01e13000
>  #define DA8XX_MMCSD0_BASE	0x01c40000
> +#define DA8XX_AEMIF_CS2_BASE	0x60000000
>  #define DA8XX_AEMIF_CS3_BASE	0x62000000
>  #define DA8XX_AEMIF_CTL_BASE	0x68000000
>  
> @@ -110,6 +111,7 @@ extern const short da850_cpgmac_pins[];
>  extern const short da850_lcdcntl_pins[];
>  extern const short da850_mmcsd0_pins[];
>  extern const short da850_nand_pins[];
> +extern const short da850_nor_pins[];
>  
>  int da8xx_pinmux_setup(const short pins[]);
>  
> diff --git a/arch/arm/mach-davinci/include/mach/mux.h b/arch/arm/mach-davinci/include/mach/mux.h
> index a8fcc2a..2113141 100644
> --- a/arch/arm/mach-davinci/include/mach/mux.h
> +++ b/arch/arm/mach-davinci/include/mach/mux.h
> @@ -796,6 +796,40 @@ enum davinci_da850_index {
>  	DA850_NEMA_CS_4,
>  	DA850_NEMA_WE,
>  	DA850_NEMA_OE,
> +	DA850_EMA_D_15,
> +	DA850_EMA_D_14,
> +	DA850_EMA_D_13,
> +	DA850_EMA_D_12,
> +	DA850_EMA_D_11,
> +	DA850_EMA_D_10,
> +	DA850_EMA_D_9,
> +	DA850_EMA_D_8,
> +	DA850_EMA_A_0,
> +	DA850_EMA_A_3,
> +	DA850_EMA_A_4,
> +	DA850_EMA_A_5,
> +	DA850_EMA_A_6,
> +	DA850_EMA_A_7,
> +	DA850_EMA_A_8,
> +	DA850_EMA_A_9,
> +	DA850_EMA_A_10,
> +	DA850_EMA_A_11,
> +	DA850_EMA_A_12,
> +	DA850_EMA_A_13,
> +	DA850_EMA_A_14,
> +	DA850_EMA_A_15,
> +	DA850_EMA_A_16,
> +	DA850_EMA_A_17,
> +	DA850_EMA_A_18,
> +	DA850_EMA_A_19,
> +	DA850_EMA_A_20,
> +	DA850_EMA_A_21,
> +	DA850_EMA_A_22,
> +	DA850_EMA_A_23,
> +	DA850_EMA_BA_1,
> +	DA850_EMA_CLK,
> +	DA850_EMA_WAIT_1,
> +	DA850_NEMA_CS_2,
>  
>  	/* GPIO function */
>  	DA850_GPIO2_15,
> -- 
> 1.5.6
>
> _______________________________________________
> Davinci-linux-open-source mailing list
> Davinci-linux-open-source@linux.davincidsp.com
> http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
Rajashekhara, Sudhakar Aug. 13, 2009, 7 a.m. UTC | #2
On Wed, Aug 12, 2009 at 23:37:54, Kevin Hilman wrote:
> Sudhakar Rajashekhara <sudhakar.raj@ti.com> writes:
> 
> > This patch adds platform data for the 8MB NOR flash
> > found on da850/omap-l138 EVM. Both NOR and NAND can
> > co-exist on da850/omap-l138 as they are using different
> > chip selects.
> >
> > Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
> > ---
> >  Since the previous version, EMA_BA_0 pin has been removed
> >  from the mux table as this pin is not being used on
> >  DA850/OMAP-L138 EVM for NOR.
> >
> >  This patch depends on the following patches which I have
> >  submitted to davinci git:
> >  [PATCH v2] davinci: Configure MDIO pins for EMAC
> >  [PATCH v2] davinci: Add platform support for da850/omap-l138 GLCD
> >  [PATCH v2] davinci: Add MMC/SD support for da850/omap-l138
> >  [PATCH v2] davinci: Add NAND flash support for DA850/OMAP-L138
> 
> Would it be possible to do all these additions without the #ifdefs in
> the board file like you did for GLCD.
> 
> IOW, just create/register all of them.  The platform_device will be
> created and potentially waste some memory if the corresponding
> platform_driver is never created, but it makes things a bit more
> flexible.
> 

Sure. I'll change it.

> Are there acutally mux conflicts between some of these devices?
> 
> If so, until we get some better support for dynamic mux, I think it
> would more clear to have this documented (maybe with warnings) in the board
> file so users don't have to experiment with Kconfig options to find
> a working config.
> 

I was planning to submit a patch to handle this right after
this patch.

Few pins of NOR and MMC are shared on da850/omap-l138. I'll be
printing out a warning if both NOR and MMC are enabled in menuconfig.
I'll leave the choice of choosing between NOR and MMC to the user.

> >  arch/arm/mach-davinci/board-da850-evm.c    |   60 ++++++++++++++++++++++++++++
> >  arch/arm/mach-davinci/da850.c              |   50 +++++++++++++++++++++++
> >  arch/arm/mach-davinci/include/mach/da8xx.h |    2 +
> >  arch/arm/mach-davinci/include/mach/mux.h   |   34 ++++++++++++++++
> >  4 files changed, 146 insertions(+), 0 deletions(-)
> >
> > diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
> > index b879cc5..6087458 100644
> > --- a/arch/arm/mach-davinci/board-da850-evm.c
> > +++ b/arch/arm/mach-davinci/board-da850-evm.c

[...]

> >  
> > +static void __init da850_evm_init_nor(void)
> > +{
> > +	void __iomem *aemif_addr;
> > +
> > +	aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K - 1);
> 
> Why the  -1 here?
> 

My mistake. Will remove -1.

> > +	/* Configure data bus width of CS2 to 16 bit */
> > +	__raw_writel(1, aemif_addr + 0x10);
> 
> Just use writel(), and also some symobilc names would help readability
> instead of using hard-coded constants.
> 

OK.

- Sudhakar
diff mbox

Patch

diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index b879cc5..6087458 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -23,6 +23,7 @@ 
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/nand.h>
 #include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -47,6 +48,41 @@ 
 /* GPIO 4[1] is used for MMC/SD WP - 16 * 4 + 1 = 65 */
 #define DA850_MMCSD_WP_PIN		65
 
+#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
+static struct mtd_partition da850_evm_norflash_partition[] = {
+	{
+		.name           = "NOR filesystem",
+		.offset         = 0,
+		.size           = MTDPART_SIZ_FULL,
+		.mask_flags     = 0,
+	},
+};
+
+static struct physmap_flash_data da850_evm_norflash_data = {
+	.width		= 2,
+	.parts		= da850_evm_norflash_partition,
+	.nr_parts	= ARRAY_SIZE(da850_evm_norflash_partition),
+};
+
+static struct resource da850_evm_norflash_resource[] = {
+	{
+		.start	= DA8XX_AEMIF_CS2_BASE,
+		.end	= DA8XX_AEMIF_CS2_BASE + SZ_32M - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device da850_evm_norflash_device = {
+	.name		= "physmap-flash",
+	.id		= 0,
+	.dev		= {
+		.platform_data  = &da850_evm_norflash_data,
+	},
+	.num_resources	= 1,
+	.resource	= da850_evm_norflash_resource,
+};
+#endif
+
 #if defined(CONFIG_MTD_NAND_DAVINCI) || defined(CONFIG_MTD_NAND_DAVINCI_MODULE)
 /* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash
  * (128K blocks). It may be used instead of the (default) SPI flash
@@ -130,6 +166,9 @@  static struct platform_device *da850_evm_devices[] __initdata = {
 #if defined(CONFIG_MTD_NAND_DAVINCI) || defined(CONFIG_MTD_NAND_DAVINCI_MODULE)
 	&da850_evm_nandflash_device,
 #endif
+#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
+	&da850_evm_norflash_device,
+#endif
 };
 
 #if defined(CONFIG_MMC_DAVINCI) || defined(CONFIG_MMC_DAVINCI_MODULE)
@@ -192,6 +231,18 @@  static int da850_lcd_hw_init(void)
 	return 0;
 }
 
+static void __init da850_evm_init_nor(void)
+{
+	void __iomem *aemif_addr;
+
+	aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K - 1);
+
+	/* Configure data bus width of CS2 to 16 bit */
+	__raw_writel(1, aemif_addr + 0x10);
+
+	iounmap(aemif_addr);
+}
+
 static __init void da850_evm_init(void)
 {
 	struct davinci_soc_info *soc_info = &davinci_soc_info;
@@ -204,6 +255,15 @@  static __init void da850_evm_init(void)
 				ret);
 #endif
 
+#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
+	ret = da8xx_pinmux_setup(da850_nor_pins);
+	if (ret)
+		pr_warning("da850_evm_init: nor mux setup failed: %d\n",
+				ret);
+
+	da850_evm_init_nor();
+#endif
+
 	platform_add_devices(da850_evm_devices,
 				ARRAY_SIZE(da850_evm_devices));
 
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index 4923f13..2b59e93 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -439,6 +439,40 @@  static const struct mux_config da850_pins[] = {
 	MUX_CFG(DA850, NEMA_CS_4,	7,	8,	15,	1,	false)
 	MUX_CFG(DA850, NEMA_WE,		7,	16,	15,	1,	false)
 	MUX_CFG(DA850, NEMA_OE,		7,	20,	15,	1,	false)
+	MUX_CFG(DA850, EMA_A_0,		12,	28,	15,	1,	false)
+	MUX_CFG(DA850, EMA_A_3,		12,	16,	15,	1,	false)
+	MUX_CFG(DA850, EMA_A_4,		12,	12,	15,	1,	false)
+	MUX_CFG(DA850, EMA_A_5,		12,	8,	15,	1,	false)
+	MUX_CFG(DA850, EMA_A_6,		12,	4,	15,	1,	false)
+	MUX_CFG(DA850, EMA_A_7,		12,	0,	15,	1,	false)
+	MUX_CFG(DA850, EMA_A_8,		11,	28,	15,	1,	false)
+	MUX_CFG(DA850, EMA_A_9,		11,	24,	15,	1,	false)
+	MUX_CFG(DA850, EMA_A_10,	11,	20,	15,	1,	false)
+	MUX_CFG(DA850, EMA_A_11,	11,	16,	15,	1,	false)
+	MUX_CFG(DA850, EMA_A_12,	11,	12,	15,	1,	false)
+	MUX_CFG(DA850, EMA_A_13,	11,	8,	15,	1,	false)
+	MUX_CFG(DA850, EMA_A_14,	11,	4,	15,	1,	false)
+	MUX_CFG(DA850, EMA_A_15,	11,	0,	15,	1,	false)
+	MUX_CFG(DA850, EMA_A_16,	10,	28,	15,	1,	false)
+	MUX_CFG(DA850, EMA_A_17,	10,	24,	15,	1,	false)
+	MUX_CFG(DA850, EMA_A_18,	10,	20,	15,	1,	false)
+	MUX_CFG(DA850, EMA_A_19,	10,	16,	15,	1,	false)
+	MUX_CFG(DA850, EMA_A_20,	10,	12,	15,	1,	false)
+	MUX_CFG(DA850, EMA_A_21,	10,	8,	15,	1,	false)
+	MUX_CFG(DA850, EMA_A_22,	10,	4,	15,	1,	false)
+	MUX_CFG(DA850, EMA_A_23,	10,	0,	15,	1,	false)
+	MUX_CFG(DA850, EMA_D_8,		8,	28,	15,	1,	false)
+	MUX_CFG(DA850, EMA_D_9,		8,	24,	15,	1,	false)
+	MUX_CFG(DA850, EMA_D_10,	8,	20,	15,	1,	false)
+	MUX_CFG(DA850, EMA_D_11,	8,	16,	15,	1,	false)
+	MUX_CFG(DA850, EMA_D_12,	8,	12,	15,	1,	false)
+	MUX_CFG(DA850, EMA_D_13,	8,	8,	15,	1,	false)
+	MUX_CFG(DA850, EMA_D_14,	8,	4,	15,	1,	false)
+	MUX_CFG(DA850, EMA_D_15,	8,	0,	15,	1,	false)
+	MUX_CFG(DA850, EMA_BA_1,	5,	24,	15,	1,	false)
+	MUX_CFG(DA850, EMA_CLK,		6,	0,	15,	1,	false)
+	MUX_CFG(DA850, EMA_WAIT_1,	6,	24,	15,	1,	false)
+	MUX_CFG(DA850, NEMA_CS_2,	7,	0,	15,	1,	false)
 	/* GPIO function */
 	MUX_CFG(DA850, GPIO2_15,	5,	0,	15,	8,	false)
 	MUX_CFG(DA850, GPIO8_10,	18,	28,	15,	8,	false)
@@ -506,6 +540,22 @@  const short da850_nand_pins[] __initdata = {
 	-1
 };
 
+const short da850_nor_pins[] __initdata = {
+	DA850_EMA_BA_1, DA850_EMA_CLK, DA850_EMA_WAIT_1, DA850_NEMA_CS_2,
+	DA850_NEMA_WE, DA850_NEMA_OE, DA850_EMA_D_0, DA850_EMA_D_1,
+	DA850_EMA_D_2, DA850_EMA_D_3, DA850_EMA_D_4, DA850_EMA_D_5,
+	DA850_EMA_D_6, DA850_EMA_D_7, DA850_EMA_D_8, DA850_EMA_D_9,
+	DA850_EMA_D_10, DA850_EMA_D_11, DA850_EMA_D_12, DA850_EMA_D_13,
+	DA850_EMA_D_14, DA850_EMA_D_15, DA850_EMA_A_0, DA850_EMA_A_1,
+	DA850_EMA_A_2, DA850_EMA_A_3, DA850_EMA_A_4, DA850_EMA_A_5,
+	DA850_EMA_A_6, DA850_EMA_A_7, DA850_EMA_A_8, DA850_EMA_A_9,
+	DA850_EMA_A_10, DA850_EMA_A_11, DA850_EMA_A_12, DA850_EMA_A_13,
+	DA850_EMA_A_14, DA850_EMA_A_15, DA850_EMA_A_16, DA850_EMA_A_17,
+	DA850_EMA_A_18, DA850_EMA_A_19, DA850_EMA_A_20, DA850_EMA_A_21,
+	DA850_EMA_A_22, DA850_EMA_A_23,
+	-1
+};
+
 /* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
 static u8 da850_default_priorities[DA850_N_CP_INTC_IRQ] = {
 	[IRQ_DA8XX_COMMTX]		= 7,
diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
index 71261db..b117d77 100644
--- a/arch/arm/mach-davinci/include/mach/da8xx.h
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -39,6 +39,7 @@ 
 #define DA8XX_PSC1_BASE		0x01e27000
 #define DA8XX_LCD_CNTRL_BASE	0x01e13000
 #define DA8XX_MMCSD0_BASE	0x01c40000
+#define DA8XX_AEMIF_CS2_BASE	0x60000000
 #define DA8XX_AEMIF_CS3_BASE	0x62000000
 #define DA8XX_AEMIF_CTL_BASE	0x68000000
 
@@ -110,6 +111,7 @@  extern const short da850_cpgmac_pins[];
 extern const short da850_lcdcntl_pins[];
 extern const short da850_mmcsd0_pins[];
 extern const short da850_nand_pins[];
+extern const short da850_nor_pins[];
 
 int da8xx_pinmux_setup(const short pins[]);
 
diff --git a/arch/arm/mach-davinci/include/mach/mux.h b/arch/arm/mach-davinci/include/mach/mux.h
index a8fcc2a..2113141 100644
--- a/arch/arm/mach-davinci/include/mach/mux.h
+++ b/arch/arm/mach-davinci/include/mach/mux.h
@@ -796,6 +796,40 @@  enum davinci_da850_index {
 	DA850_NEMA_CS_4,
 	DA850_NEMA_WE,
 	DA850_NEMA_OE,
+	DA850_EMA_D_15,
+	DA850_EMA_D_14,
+	DA850_EMA_D_13,
+	DA850_EMA_D_12,
+	DA850_EMA_D_11,
+	DA850_EMA_D_10,
+	DA850_EMA_D_9,
+	DA850_EMA_D_8,
+	DA850_EMA_A_0,
+	DA850_EMA_A_3,
+	DA850_EMA_A_4,
+	DA850_EMA_A_5,
+	DA850_EMA_A_6,
+	DA850_EMA_A_7,
+	DA850_EMA_A_8,
+	DA850_EMA_A_9,
+	DA850_EMA_A_10,
+	DA850_EMA_A_11,
+	DA850_EMA_A_12,
+	DA850_EMA_A_13,
+	DA850_EMA_A_14,
+	DA850_EMA_A_15,
+	DA850_EMA_A_16,
+	DA850_EMA_A_17,
+	DA850_EMA_A_18,
+	DA850_EMA_A_19,
+	DA850_EMA_A_20,
+	DA850_EMA_A_21,
+	DA850_EMA_A_22,
+	DA850_EMA_A_23,
+	DA850_EMA_BA_1,
+	DA850_EMA_CLK,
+	DA850_EMA_WAIT_1,
+	DA850_NEMA_CS_2,
 
 	/* GPIO function */
 	DA850_GPIO2_15,