[PATCH] ARM: Samsung: Add platform support code for OneNAND controller
Ben Dooks
ben-linux at fluff.org
Thu May 20 04:48:48 EDT 2010
On Thu, May 20, 2010 at 08:59:05AM +0200, Marek Szyprowski wrote:
> This patch adds setup code for Samsung OneNAND controller driver. The
> driver needs to be aware on which SoC it is running, so the actual
> device id is being changed in cpu init code. S3C64xx SoCs have 2 OneNAND
> controllers while S5PC100 and S5PC110 has only one.
>
> Signed-off-by: Marek Szyprowski <m.szyprowski at samsung.com>
> Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
Ok, in future please try and keep a core and then have the architecture
additions seperate, it makes it very difficult to deal with any problems
whilst merging and means there is a higher possibility of a problem during
this.
> ---
>
> The patch has been prepared in assumtion that the plat-s5pc1xx cleanup
> patches has been applied as well as "Add support for Samsung Aquila
> board (S5PC110 based)" patch series.
>
> The driver itself has been merged by mtd maintainers, but without the
> platform setup code it is useless.
>
> Changes sinve v2:
> * rebased onto git://git.fluff.org/bjdooks/linux for-linus/samsung4
>
> Changes since v1:
> * addressed all coding style issues reported by Ben
> * moved all resource definitions to platform device resources
> * moved all resource definitions for different SoCs from regs-onenand.h to
> arch/arm/mach-{s3c64xx,s5pc100,s5pv210}/include/mach/map.h
> * moved all #ifdef conditional code to separate functions
>
> Changes since first submission attempt (long time ago):
> * all cpu conditional code in the driver has been redesigned from cpu_is_xxx()
> macros to actual device ids.
>
> The Samsung OneNAND driver itself has been posted also to the Linux MTD
> mailing list (linux-mtd at lists.infradead.org).
>
> ---
> arch/arm/mach-s3c64xx/Kconfig | 5 ++
> arch/arm/mach-s3c64xx/Makefile | 1 +
> arch/arm/mach-s3c64xx/dev-onenand1.c | 55 ++++++++++++++++++
> arch/arm/mach-s3c64xx/include/mach/irqs.h | 4 +
> arch/arm/mach-s3c64xx/include/mach/map.h | 13 ++++
> arch/arm/mach-s3c64xx/s3c6400.c | 4 +
> arch/arm/mach-s3c64xx/s3c6410.c | 3 +
> arch/arm/mach-s5pc100/cpu.c | 3 +
> arch/arm/mach-s5pc100/include/mach/map.h | 7 ++
> arch/arm/mach-s5pv210/Kconfig | 5 ++
> arch/arm/mach-s5pv210/Makefile | 2 +
> arch/arm/mach-s5pv210/dev-onenand.c | 50 ++++++++++++++++
> arch/arm/mach-s5pv210/include/mach/map.h | 3 +
> arch/arm/plat-samsung/Kconfig | 5 ++
> arch/arm/plat-samsung/Makefile | 1 +
> arch/arm/plat-samsung/dev-onenand.c | 55 ++++++++++++++++++
> arch/arm/plat-samsung/include/plat/devs.h | 3 +
> arch/arm/plat-samsung/include/plat/onenand-core.h | 37 ++++++++++++
> arch/arm/plat-samsung/include/plat/regs-onenand.h | 63 +++++++++++++++++++++
> 19 files changed, 319 insertions(+), 0 deletions(-)
> create mode 100644 arch/arm/mach-s3c64xx/dev-onenand1.c
> create mode 100644 arch/arm/mach-s5pv210/dev-onenand.c
> create mode 100644 arch/arm/plat-samsung/dev-onenand.c
> create mode 100644 arch/arm/plat-samsung/include/plat/onenand-core.h
> create mode 100644 arch/arm/plat-samsung/include/plat/regs-onenand.h
>
> diff --git a/arch/arm/mach-s3c64xx/Kconfig b/arch/arm/mach-s3c64xx/Kconfig
> index 69e9fbf..805da81 100644
> --- a/arch/arm/mach-s3c64xx/Kconfig
> +++ b/arch/arm/mach-s3c64xx/Kconfig
> @@ -35,6 +35,11 @@ config S3C64XX_SETUP_SDHCI
> Internal configuration for default SDHCI setup for S3C6400 and
> S3C6410 SoCs.
>
> +config S3C64XX_DEV_ONENAND1
> + bool
> + help
> + Compile in platform device definition for OneNAND1 controller
> +
> # platform specific device setup
>
> config S3C64XX_SETUP_I2C0
> diff --git a/arch/arm/mach-s3c64xx/Makefile b/arch/arm/mach-s3c64xx/Makefile
> index a10f1fc..1788318 100644
> --- a/arch/arm/mach-s3c64xx/Makefile
> +++ b/arch/arm/mach-s3c64xx/Makefile
> @@ -59,3 +59,4 @@ obj-y += dev-uart.o
> obj-y += dev-audio.o
> obj-$(CONFIG_S3C64XX_DEV_SPI) += dev-spi.o
> obj-$(CONFIG_S3C64XX_DEV_TS) += dev-ts.o
> +obj-$(CONFIG_S3C64XX_DEV_ONENAND1) += dev-onenand1.o
> diff --git a/arch/arm/mach-s3c64xx/dev-onenand1.c b/arch/arm/mach-s3c64xx/dev-onenand1.c
> new file mode 100644
> index 0000000..92ffd5b
> --- /dev/null
> +++ b/arch/arm/mach-s3c64xx/dev-onenand1.c
> @@ -0,0 +1,55 @@
> +/*
> + * linux/arch/arm/mach-s3c64xx/dev-onenand1.c
> + *
> + * Copyright (c) 2008-2010 Samsung Electronics
> + * Kyungmin Park <kyungmin.park at samsung.com>
> + *
> + * S3C64XX series device definition for OneNAND devices
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> + */
> +
> +#include <linux/kernel.h>
> +#include <linux/platform_device.h>
> +#include <linux/mtd/mtd.h>
> +#include <linux/mtd/onenand.h>
> +
> +#include <mach/irqs.h>
> +#include <mach/map.h>
> +
> +static struct resource s3c64xx_onenand1_resources[] = {
> + [0] = {
> + .start = S3C64XX_PA_ONENAND1,
> + .end = S3C64XX_PA_ONENAND1 + 0x400 - 1,
> + .flags = IORESOURCE_MEM,
> + },
> + [1] = {
> + .start = S3C64XX_PA_ONENAND1_BUF,
> + .end = S3C64XX_PA_ONENAND1_BUF + S3C64XX_SZ_ONENAND1_BUF - 1,
> + .flags = IORESOURCE_MEM,
> + },
> + [2] = {
> + .start = IRQ_ONENAND1,
> + .end = IRQ_ONENAND1,
> + .flags = IORESOURCE_IRQ,
> + },
> +};
> +
> +struct platform_device s3c64xx_device_onenand1 = {
> + .name = "samsung-onenand",
> + .id = 1,
> + .num_resources = ARRAY_SIZE(s3c64xx_onenand1_resources),
> + .resource = s3c64xx_onenand1_resources,
> +};
> +
> +void s3c64xx_onenand1_set_platdata(struct onenand_platform_data *pdata)
> +{
> + struct onenand_platform_data *pd;
> +
> + pd = kmemdup(pdata, sizeof(struct onenand_platform_data), GFP_KERNEL);
> + if (!pd)
> + printk(KERN_ERR "%s: no memory for platform data\n", __func__);
> + s3c64xx_device_onenand1.dev.platform_data = pd;
> +}
> diff --git a/arch/arm/mach-s3c64xx/include/mach/irqs.h b/arch/arm/mach-s3c64xx/include/mach/irqs.h
> index e9ab4ac..8e2df26 100644
> --- a/arch/arm/mach-s3c64xx/include/mach/irqs.h
> +++ b/arch/arm/mach-s3c64xx/include/mach/irqs.h
> @@ -212,5 +212,9 @@
>
> #define NR_IRQS (IRQ_BOARD_END + 1)
>
> +/* Compatibility */
> +
> +#define IRQ_ONENAND IRQ_ONENAND0
> +
> #endif /* __ASM_MACH_S3C64XX_IRQS_H */
>
> diff --git a/arch/arm/mach-s3c64xx/include/mach/map.h b/arch/arm/mach-s3c64xx/include/mach/map.h
> index 9fdd50c..b6fb892 100644
> --- a/arch/arm/mach-s3c64xx/include/mach/map.h
> +++ b/arch/arm/mach-s3c64xx/include/mach/map.h
> @@ -52,6 +52,16 @@
>
> #define S3C64XX_PA_SROM (0x70000000)
>
> +#define S3C64XX_PA_ONENAND0 (0x70100000)
> +#define S3C64XX_PA_ONENAND0_BUF (0x20000000)
> +#define S3C64XX_SZ_ONENAND0_BUF (SZ_64M)
> +
> +/* NAND and OneNAND1 controllers occupy the same register region
> + (depending on SoC POP version) */
> +#define S3C64XX_PA_ONENAND1 (0x70200000)
> +#define S3C64XX_PA_ONENAND1_BUF (0x28000000)
> +#define S3C64XX_SZ_ONENAND1_BUF (SZ_64M)
> +
> #define S3C64XX_PA_NAND (0x70200000)
> #define S3C64XX_PA_FB (0x77100000)
> #define S3C64XX_PA_USB_HSOTG (0x7C000000)
> @@ -99,6 +109,9 @@
> #define S3C_PA_IIC S3C64XX_PA_IIC0
> #define S3C_PA_IIC1 S3C64XX_PA_IIC1
> #define S3C_PA_NAND S3C64XX_PA_NAND
> +#define S3C_PA_ONENAND S3C64XX_PA_ONENAND0
> +#define S3C_PA_ONENAND_BUF S3C64XX_PA_ONENAND0_BUF
> +#define S3C_SZ_ONENAND_BUF S3C64XX_SZ_ONENAND0_BUF
> #define S3C_PA_FB S3C64XX_PA_FB
> #define S3C_PA_USBHOST S3C64XX_PA_USBHOST
> #define S3C_PA_USB_HSOTG S3C64XX_PA_USB_HSOTG
> diff --git a/arch/arm/mach-s3c64xx/s3c6400.c b/arch/arm/mach-s3c64xx/s3c6400.c
> index 707e34e..5e93fe3 100644
> --- a/arch/arm/mach-s3c64xx/s3c6400.c
> +++ b/arch/arm/mach-s3c64xx/s3c6400.c
> @@ -37,6 +37,7 @@
> #include <plat/clock.h>
> #include <plat/sdhci.h>
> #include <plat/iic-core.h>
> +#include <plat/onenand-core.h>
> #include <mach/s3c6400.h>
>
> void __init s3c6400_map_io(void)
> @@ -51,6 +52,9 @@ void __init s3c6400_map_io(void)
> s3c_i2c0_setname("s3c2440-i2c");
>
> s3c_device_nand.name = "s3c6400-nand";
> +
> + s3c_onenand_setname("s3c6400-onenand");
> + s3c64xx_onenand1_setname("s3c6400-onenand");
> }
>
> void __init s3c6400_init_clocks(int xtal)
> diff --git a/arch/arm/mach-s3c64xx/s3c6410.c b/arch/arm/mach-s3c64xx/s3c6410.c
> index 3ab695c..014401c 100644
> --- a/arch/arm/mach-s3c64xx/s3c6410.c
> +++ b/arch/arm/mach-s3c64xx/s3c6410.c
> @@ -39,6 +39,7 @@
> #include <plat/sdhci.h>
> #include <plat/iic-core.h>
> #include <plat/adc.h>
> +#include <plat/onenand-core.h>
> #include <mach/s3c6400.h>
> #include <mach/s3c6410.h>
>
> @@ -55,6 +56,8 @@ void __init s3c6410_map_io(void)
>
> s3c_device_adc.name = "s3c64xx-adc";
> s3c_device_nand.name = "s3c6400-nand";
> + s3c_onenand_setname("s3c6410-onenand");
> + s3c64xx_onenand1_setname("s3c6410-onenand");
> }
>
> void __init s3c6410_init_clocks(int xtal)
> diff --git a/arch/arm/mach-s5pc100/cpu.c b/arch/arm/mach-s5pc100/cpu.c
> index d424a9f..cc47c3a 100644
> --- a/arch/arm/mach-s5pc100/cpu.c
> +++ b/arch/arm/mach-s5pc100/cpu.c
> @@ -39,6 +39,7 @@
> #include <plat/devs.h>
> #include <plat/clock.h>
> #include <plat/iic-core.h>
> +#include <plat/onenand-core.h>
> #include <plat/sdhci.h>
> #include <plat/s5pc100.h>
>
> @@ -88,6 +89,8 @@ void __init s5pc100_map_io(void)
> /* the i2c devices are directly compatible with s3c2440 */
> s3c_i2c0_setname("s3c2440-i2c");
> s3c_i2c1_setname("s3c2440-i2c");
> +
> + s3c_onenand_setname("s5pc100-onenand");
> }
>
> void __init s5pc100_init_clocks(int xtal)
> diff --git a/arch/arm/mach-s5pc100/include/mach/map.h b/arch/arm/mach-s5pc100/include/mach/map.h
> index fbaec9f..918e4e3 100644
> --- a/arch/arm/mach-s5pc100/include/mach/map.h
> +++ b/arch/arm/mach-s5pc100/include/mach/map.h
> @@ -50,6 +50,10 @@
> #define S5P_PA_UART3 (S5PC100_PA_UART + 0xC00)
> #define S5P_SZ_UART SZ_256
>
> +#define S5PC100_PA_ONENAND (0xE7100000)
> +#define S5PC100_PA_ONENAND_BUF (0xB0000000)
> +#define S5PC100_SZ_ONENAND_BUF (SZ_256M - SZ_32M)
> +
> #define S5PC100_PA_IIC0 (0xEC100000)
> #define S5PC100_PA_IIC1 (0xEC200000)
>
> @@ -64,6 +68,9 @@
> #define S3C_PA_UART S5PC100_PA_UART
> #define S3C_PA_IIC S5PC100_PA_IIC0
> #define S3C_PA_IIC1 S5PC100_PA_IIC1
> +#define S3C_PA_ONENAND S5PC100_PA_ONENAND
> +#define S3C_PA_ONENAND_BUF S5PC100_PA_ONENAND_BUF
> +#define S3C_SZ_ONENAND_BUF S5PC100_SZ_ONENAND_BUF
> #define S3C_PA_FB S5PC100_PA_FB
> #define S3C_PA_HSMMC0 S5PC100_PA_HSMMC(0)
> #define S3C_PA_HSMMC1 S5PC100_PA_HSMMC(1)
> diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig
> index bccd3f5..735e8f8 100644
> --- a/arch/arm/mach-s5pv210/Kconfig
> +++ b/arch/arm/mach-s5pv210/Kconfig
> @@ -43,6 +43,11 @@ config S5PV210_SETUP_SDHCI_GPIO
> help
> Common setup code for SDHCI gpio.
>
> +config S5PC110_DEV_ONENAND
> + bool
> + help
> + Compile in platform device definition for OneNAND1 controller
> +
> config MACH_SMDKV210
> bool "SMDKV210"
> select CPU_S5PV210
> diff --git a/arch/arm/mach-s5pv210/Makefile b/arch/arm/mach-s5pv210/Makefile
> index 0b389bb..06dbd14 100644
> --- a/arch/arm/mach-s5pv210/Makefile
> +++ b/arch/arm/mach-s5pv210/Makefile
> @@ -29,3 +29,5 @@ obj-$(CONFIG_S5PV210_SETUP_I2C1) += setup-i2c1.o
> obj-$(CONFIG_S5PV210_SETUP_I2C2) += setup-i2c2.o
> obj-$(CONFIG_S5PV210_SETUP_SDHCI) += setup-sdhci.o
> obj-$(CONFIG_S5PV210_SETUP_SDHCI_GPIO) += setup-sdhci-gpio.o
> +
> +obj-$(CONFIG_S5PC110_DEV_ONENAND) += dev-onenand.o
> diff --git a/arch/arm/mach-s5pv210/dev-onenand.c b/arch/arm/mach-s5pv210/dev-onenand.c
> new file mode 100644
> index 0000000..34997b7
> --- /dev/null
> +++ b/arch/arm/mach-s5pv210/dev-onenand.c
> @@ -0,0 +1,50 @@
> +/*
> + * linux/arch/arm/mach-s5pv210/dev-onenand.c
> + *
> + * Copyright (c) 2008-2010 Samsung Electronics
> + * Kyungmin Park <kyungmin.park at samsung.com>
> + *
> + * S5PC110 series device definition for OneNAND devices
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> + */
> +
> +#include <linux/kernel.h>
> +#include <linux/platform_device.h>
> +#include <linux/mtd/mtd.h>
> +#include <linux/mtd/onenand.h>
> +
> +#include <mach/irqs.h>
> +#include <mach/map.h>
> +
> +static struct resource s5pc110_onenand_resources[] = {
> + [0] = {
> + .start = S5PC110_PA_ONENAND,
> + .end = S5PC110_PA_ONENAND + SZ_128K - 1,
> + .flags = IORESOURCE_MEM,
> + },
> + [1] = {
> + .start = S5PC110_PA_ONENAND_DMA,
> + .end = S5PC110_PA_ONENAND_DMA + SZ_2K - 1,
> + .flags = IORESOURCE_MEM,
> + },
> +};
> +
> +struct platform_device s5pc110_device_onenand = {
> + .name = "s5pc110-onenand",
> + .id = -1,
> + .num_resources = ARRAY_SIZE(s5pc110_onenand_resources),
> + .resource = s5pc110_onenand_resources,
> +};
> +
> +void s5pc110_onenand_set_platdata(struct onenand_platform_data *pdata)
> +{
> + struct onenand_platform_data *pd;
> +
> + pd = kmemdup(pdata, sizeof(struct onenand_platform_data), GFP_KERNEL);
> + if (!pd)
> + printk(KERN_ERR "%s: no memory for platform data\n", __func__);
> + s5pc110_device_onenand.dev.platform_data = pd;
> +}
> diff --git a/arch/arm/mach-s5pv210/include/mach/map.h b/arch/arm/mach-s5pv210/include/mach/map.h
> index e9f022c..c1a6f64 100644
> --- a/arch/arm/mach-s5pv210/include/mach/map.h
> +++ b/arch/arm/mach-s5pv210/include/mach/map.h
> @@ -49,6 +49,9 @@
> #define S5PV210_PA_PDMA0 0xE0900000
> #define S5PV210_PA_PDMA1 0xE0A00000
>
> +#define S5PC110_PA_ONENAND (0xB0000000)
> +#define S5PC110_PA_ONENAND_DMA (0xB0600000)
> +
> #define S5PV210_PA_FB (0xF8000000)
>
> #define S5PV210_PA_HSMMC(x) (0xEB000000 + ((x) * 0x100000))
> diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
> index b787d57..014599d 100644
> --- a/arch/arm/plat-samsung/Kconfig
> +++ b/arch/arm/plat-samsung/Kconfig
> @@ -195,6 +195,11 @@ config S3C_DEV_NAND
> help
> Compile in platform device definition for NAND controller
>
> +config S3C_DEV_ONENAND
> + bool
> + help
> + Compile in platform device definition for OneNAND controller
> +
> config S3C_DEV_RTC
> bool
> help
> diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile
> index 606ec84..8f6410a 100644
> --- a/arch/arm/plat-samsung/Makefile
> +++ b/arch/arm/plat-samsung/Makefile
> @@ -42,6 +42,7 @@ obj-y += dev-uart.o
> obj-$(CONFIG_S3C_DEV_USB_HOST) += dev-usb.o
> obj-$(CONFIG_S3C_DEV_USB_HSOTG) += dev-usb-hsotg.o
> obj-$(CONFIG_S3C_DEV_NAND) += dev-nand.o
> +obj-$(CONFIG_S3C_DEV_ONENAND) += dev-onenand.o
> obj-$(CONFIG_S3C_DEV_RTC) += dev-rtc.o
>
> obj-$(CONFIG_SAMSUNG_DEV_ADC) += dev-adc.o
> diff --git a/arch/arm/plat-samsung/dev-onenand.c b/arch/arm/plat-samsung/dev-onenand.c
> new file mode 100644
> index 0000000..45ec732
> --- /dev/null
> +++ b/arch/arm/plat-samsung/dev-onenand.c
> @@ -0,0 +1,55 @@
> +/*
> + * linux/arch/arm/plat-samsung/dev-onenand.c
> + *
> + * Copyright (c) 2008-2010 Samsung Electronics
> + * Kyungmin Park <kyungmin.park at samsung.com>
> + *
> + * S3C64XX/S5PC100 series device definition for OneNAND devices
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> + */
> +
> +#include <linux/kernel.h>
> +#include <linux/platform_device.h>
> +#include <linux/mtd/mtd.h>
> +#include <linux/mtd/onenand.h>
> +
> +#include <mach/irqs.h>
> +#include <mach/map.h>
> +
> +static struct resource s3c_onenand_resources[] = {
> + [0] = {
> + .start = S3C_PA_ONENAND,
> + .end = S3C_PA_ONENAND + 0x400 - 1,
> + .flags = IORESOURCE_MEM,
> + },
> + [1] = {
> + .start = S3C_PA_ONENAND_BUF,
> + .end = S3C_PA_ONENAND_BUF + S3C_SZ_ONENAND_BUF - 1,
> + .flags = IORESOURCE_MEM,
> + },
> + [2] = {
> + .start = IRQ_ONENAND,
> + .end = IRQ_ONENAND,
> + .flags = IORESOURCE_IRQ,
> + },
> +};
> +
> +struct platform_device s3c_device_onenand = {
> + .name = "samsung-onenand",
> + .id = 0,
> + .num_resources = ARRAY_SIZE(s3c_onenand_resources),
> + .resource = s3c_onenand_resources,
> +};
> +
> +void s3c_onenand_set_platdata(struct onenand_platform_data *pdata)
> +{
> + struct onenand_platform_data *pd;
> +
> + pd = kmemdup(pdata, sizeof(struct onenand_platform_data), GFP_KERNEL);
> + if (!pd)
> + printk(KERN_ERR "%s: no memory for platform data\n", __func__);
> + s3c_device_onenand.dev.platform_data = pd;
> +}
> diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h
> index 78d2420..d786b0f 100644
> --- a/arch/arm/plat-samsung/include/plat/devs.h
> +++ b/arch/arm/plat-samsung/include/plat/devs.h
> @@ -61,6 +61,9 @@ extern struct platform_device s3c_device_spi1;
> extern struct platform_device s3c_device_hwmon;
>
> extern struct platform_device s3c_device_nand;
> +extern struct platform_device s3c_device_onenand;
> +extern struct platform_device s3c64xx_device_onenand1;
> +extern struct platform_device s5pc110_device_onenand;
>
> extern struct platform_device s3c_device_usbgadget;
> extern struct platform_device s3c_device_usb_hsotg;
> diff --git a/arch/arm/plat-samsung/include/plat/onenand-core.h b/arch/arm/plat-samsung/include/plat/onenand-core.h
> new file mode 100644
> index 0000000..7701cb7
> --- /dev/null
> +++ b/arch/arm/plat-samsung/include/plat/onenand-core.h
> @@ -0,0 +1,37 @@
> +/*
> + * linux/arch/arm/plat-samsung/onenand-core.h
> + *
> + * Copyright (c) 2010 Samsung Electronics
> + * Kyungmin Park <kyungmin.park at samsung.com>
> + * Marek Szyprowski <m.szyprowski at samsung.com>
> + *
> + * Samsung OneNAD Controller core functions
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> +*/
> +
> +#ifndef __ASM_ARCH_ONENAND_CORE_H
> +#define __ASM_ARCH_ONENAND_CORE_H __FILE__
> +
> +/* These functions are only for use with the core support code, such as
> + * the cpu specific initialisation code
> + */
> +
> +/* re-define device name depending on support. */
> +static inline void s3c_onenand_setname(char *name)
> +{
> +#ifdef CONFIG_S3C_DEV_ONENAND
> + s3c_device_onenand.name = name;
> +#endif
> +}
> +
> +static inline void s3c64xx_onenand1_setname(char *name)
> +{
> +#ifdef CONFIG_S3C64XX_DEV_ONENAND1
> + s3c64xx_device_onenand1.name = name;
> +#endif
> +}
> +
> +#endif /* __ASM_ARCH_ONENAND_CORE_H */
> diff --git a/arch/arm/plat-samsung/include/plat/regs-onenand.h b/arch/arm/plat-samsung/include/plat/regs-onenand.h
> new file mode 100644
> index 0000000..930ea8b
> --- /dev/null
> +++ b/arch/arm/plat-samsung/include/plat/regs-onenand.h
> @@ -0,0 +1,63 @@
> +/*
> + * linux/arch/arm/plat-s3c/include/plat/regs-onenand.h
> + *
> + * Copyright (C) 2008-2010 Samsung Electronics
> + * Kyungmin Park <kyungmin.park at samsung.com>
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> + */
> +#ifndef __SAMSUNG_ONENAND_H__
> +#define __SAMSUNG_ONENAND_H__
> +
> +#include <mach/hardware.h>
> +
> +/*
> + * OneNAND Controller
> + */
> +#define MEM_CFG_OFFSET 0x0000
> +#define BURST_LEN_OFFSET 0x0010
> +#define MEM_RESET_OFFSET 0x0020
> +#define INT_ERR_STAT_OFFSET 0x0030
> +#define INT_ERR_MASK_OFFSET 0x0040
> +#define INT_ERR_ACK_OFFSET 0x0050
> +#define ECC_ERR_STAT_OFFSET 0x0060
> +#define MANUFACT_ID_OFFSET 0x0070
> +#define DEVICE_ID_OFFSET 0x0080
> +#define DATA_BUF_SIZE_OFFSET 0x0090
> +#define BOOT_BUF_SIZE_OFFSET 0x00A0
> +#define BUF_AMOUNT_OFFSET 0x00B0
> +#define TECH_OFFSET 0x00C0
> +#define FBA_WIDTH_OFFSET 0x00D0
> +#define FPA_WIDTH_OFFSET 0x00E0
> +#define FSA_WIDTH_OFFSET 0x00F0
> +#define TRANS_SPARE_OFFSET 0x0140
> +#define DBS_DFS_WIDTH_OFFSET 0x0160
> +#define INT_PIN_ENABLE_OFFSET 0x01A0
> +#define ACC_CLOCK_OFFSET 0x01C0
> +#define FLASH_VER_ID_OFFSET 0x01F0
> +#define FLASH_AUX_CNTRL_OFFSET 0x0300 /* s3c64xx only */
> +
> +#define ONENAND_MEM_RESET_HOT 0x3
> +#define ONENAND_MEM_RESET_COLD 0x2
> +#define ONENAND_MEM_RESET_WARM 0x1
> +
> +#define CACHE_OP_ERR (1 << 13)
> +#define RST_CMP (1 << 12)
> +#define RDY_ACT (1 << 11)
> +#define INT_ACT (1 << 10)
> +#define UNSUP_CMD (1 << 9)
> +#define LOCKED_BLK (1 << 8)
> +#define BLK_RW_CMP (1 << 7)
> +#define ERS_CMP (1 << 6)
> +#define PGM_CMP (1 << 5)
> +#define LOAD_CMP (1 << 4)
> +#define ERS_FAIL (1 << 3)
> +#define PGM_FAIL (1 << 2)
> +#define INT_TO (1 << 1)
> +#define LD_FAIL_ECC_ERR (1 << 0)
> +
> +#define TSRF (1 << 0)
> +
> +#endif
> --
> 1.6.4
>
--
--
Ben
Q: What's a light-year?
A: One-third less calories than a regular year.
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