Kyungmin Park wrote:
>
> From: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
>
> Exynos4 has the DesignWare Host controller at channel 4.
>
Yeah, Exynos4210 has it but it can be happened problem when used your
approach later.
Because, we can't assume hsmmc4 to be used for dw_mmc on other SoCs.
I mean, other file, eg., dev-dwmmc.c or dev-dwmci.c should be added for its
platform devices.
Thanks.
Best regards,
Kgene.
--
Kukjin Kim <kgene.kim@xxxxxxxxxxx>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.
> Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
> ---
> diff --git a/arch/arm/mach-exynos4/include/mach/irqs.h b/arch/arm/mach-
> exynos4/include/mach/irqs.h
> index 2dc5900..aa32679 100644
> --- a/arch/arm/mach-exynos4/include/mach/irqs.h
> +++ b/arch/arm/mach-exynos4/include/mach/irqs.h
> @@ -104,6 +104,7 @@
> #define IRQ_HSMMC1 COMBINER_IRQ(29, 1)
> #define IRQ_HSMMC2 COMBINER_IRQ(29, 2)
> #define IRQ_HSMMC3 COMBINER_IRQ(29, 3)
> +#define IRQ_HSMMC4 COMBINER_IRQ(29, 4)
>
> #define IRQ_MIPI_CSIS0 COMBINER_IRQ(30, 0)
> #define IRQ_MIPI_CSIS1 COMBINER_IRQ(30, 1)
> diff --git a/arch/arm/mach-exynos4/include/mach/map.h b/arch/arm/mach-
> exynos4/include/mach/map.h
> index 80a41e0..ea79962 100644
> --- a/arch/arm/mach-exynos4/include/mach/map.h
> +++ b/arch/arm/mach-exynos4/include/mach/map.h
> @@ -107,6 +107,7 @@
> #define S3C_PA_HSMMC1 EXYNOS4_PA_HSMMC(1)
> #define S3C_PA_HSMMC2 EXYNOS4_PA_HSMMC(2)
> #define S3C_PA_HSMMC3 EXYNOS4_PA_HSMMC(3)
> +#define S3C_PA_HSMMC4 EXYNOS4_PA_HSMMC(4)
> #define S3C_PA_IIC EXYNOS4_PA_IIC(0)
> #define S3C_PA_IIC1 EXYNOS4_PA_IIC(1)
> #define S3C_PA_IIC2 EXYNOS4_PA_IIC(2)
> diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
> index be72100..f816985 100644
> --- a/arch/arm/plat-samsung/Kconfig
> +++ b/arch/arm/plat-samsung/Kconfig
> @@ -171,6 +171,11 @@ config S3C_DEV_HSMMC3
> help
> Compile in platform device definitions for HSMMC channel 3
>
> +config S3C_DEV_HSMMC4
> + bool
> + help
> + Compile in platform device definitions for HSMMC channel 4
> +
> config S3C_DEV_HWMON
> bool
> help
> diff --git a/arch/arm/plat-samsung/Makefile
b/arch/arm/plat-samsung/Makefile
> index e9de58a..7ddba03 100644
> --- a/arch/arm/plat-samsung/Makefile
> +++ b/arch/arm/plat-samsung/Makefile
> @@ -37,6 +37,7 @@ obj-$(CONFIG_S3C_DEV_HSMMC) += dev-hsmmc.o
> obj-$(CONFIG_S3C_DEV_HSMMC1) += dev-hsmmc1.o
> obj-$(CONFIG_S3C_DEV_HSMMC2) += dev-hsmmc2.o
> obj-$(CONFIG_S3C_DEV_HSMMC3) += dev-hsmmc3.o
> +obj-$(CONFIG_S3C_DEV_HSMMC4) += dev-hsmmc4.o
> obj-$(CONFIG_S3C_DEV_HWMON) += dev-hwmon.o
> obj-y += dev-i2c0.o
> obj-$(CONFIG_S3C_DEV_I2C1) += dev-i2c1.o
> diff --git a/arch/arm/plat-samsung/dev-hsmmc4.c
b/arch/arm/plat-samsung/dev-
> hsmmc4.c
> new file mode 100644
> index 0000000..c69a78f
> --- /dev/null
> +++ b/arch/arm/plat-samsung/dev-hsmmc4.c
> @@ -0,0 +1,54 @@
> +/* linux/arch/arm/plat-samsung/dev-hsmmc4.c
> + *
> + * Copyright (C) 2011 Samsung Electronics Co., Ltd.
> + *
> + * Samsung device definition for hsmmc device 4
> + *
> + * 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/mmc/host.h>
> +#include <linux/mmc/dw_mmc.h>
> +#include <linux/dma-mapping.h>
> +
> +#include <mach/map.h>
> +#include <plat/sdhci.h>
> +#include <plat/devs.h>
> +
> +#define S3C_SZ_HSMMC 0x1000
> +
> +static struct resource s3c_hsmmc4_resource[] = {
> + [0] = {
> + .start = S3C_PA_HSMMC4,
> + .end = S3C_PA_HSMMC4 + S3C_SZ_HSMMC - 1,
> + .flags = IORESOURCE_MEM,
> + },
> + [1] = {
> + .start = IRQ_HSMMC4,
> + .end = IRQ_HSMMC4,
> + .flags = IORESOURCE_IRQ,
> + }
> +};
> +
> +static u64 s3c_device_hsmmc4_dmamask = DMA_BIT_MASK(32);
> +
> +struct platform_device s3c_device_hsmmc4 = {
> + .name = "dw_mmc",
> + .id = -1,
> + .num_resources = ARRAY_SIZE(s3c_hsmmc4_resource),
> + .resource = s3c_hsmmc4_resource,
> + .dev = {
> + .dma_mask = &s3c_device_hsmmc4_dmamask,
> + .coherent_dma_mask = DMA_BIT_MASK(32),
> + },
> +};
> +
> +void s3c_hsmmc4_set_platdata(struct dw_mci_board *pdata)
> +{
> + s3c_set_platdata(pdata, sizeof(struct dw_mci_board),
> + &s3c_device_hsmmc4);
> +}
> diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-
> samsung/include/plat/devs.h
> index e2b3ab9..4e198ba 100644
> --- a/arch/arm/plat-samsung/include/plat/devs.h
> +++ b/arch/arm/plat-samsung/include/plat/devs.h
> @@ -65,6 +65,7 @@ extern struct platform_device s3c_device_hsmmc0;
> extern struct platform_device s3c_device_hsmmc1;
> extern struct platform_device s3c_device_hsmmc2;
> extern struct platform_device s3c_device_hsmmc3;
> +extern struct platform_device s3c_device_hsmmc4;
> extern struct platform_device s3c_device_cfcon;
>
> extern struct platform_device s3c_device_spi0;
--
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