Re: [PATCH v2 05/11] OMAP4: Add base addresses for ISS

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Hi Sergio,

On Thursday 01 December 2011 01:14:54 Sergio Aguirre wrote:
> NOTE: This isn't the whole list of features that the
> ISS supports, but the only ones supported at the moment.
> 
> Signed-off-by: Sergio Aguirre <saaguirre@xxxxxx>
> ---
>  arch/arm/mach-omap2/devices.c              |   32
> ++++++++++++++++++++++++++++ arch/arm/plat-omap/include/plat/omap44xx.h | 
>   9 +++++++
>  2 files changed, 41 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
> index c15cfad..b48aeea 100644
> --- a/arch/arm/mach-omap2/devices.c
> +++ b/arch/arm/mach-omap2/devices.c
> @@ -32,6 +32,7 @@
>  #include <plat/omap_hwmod.h>
>  #include <plat/omap_device.h>
>  #include <plat/omap4-keypad.h>
> +#include <plat/omap4-iss.h>

I try to keep headers sorted alphabetically when possible, but that might just 
be me.

> 
>  #include "mux.h"
>  #include "control.h"
> @@ -217,6 +218,37 @@ int omap3_init_camera(struct isp_platform_data *pdata)
>  	return platform_device_register(&omap3isp_device);
>  }
> 
> +int omap4_init_camera(struct iss_platform_data *pdata, struct
> omap_board_data *bdata)
> +{
> +	struct platform_device *pdev;
> +	struct omap_hwmod *oh;
> +	struct iss_platform_data *omap4iss_pdata;
> +	char *oh_name = "iss";
> +	char *name = "omap4iss";

Would const char or static const char help the compiler putting the strings to 
a read-only section ?

> +	unsigned int id = -1;
> +
> +	oh = omap_hwmod_lookup(oh_name);
> +	if (!oh) {
> +		pr_err("Could not look up %s\n", oh_name);
> +		return -ENODEV;
> +	}
> +
> +	omap4iss_pdata = pdata;
> +
> +	pdev = omap_device_build(name, id, oh, omap4iss_pdata,
> +			sizeof(struct iss_platform_data), NULL, 0, 0);

This is the only location where id is used, maybe you could pass -1 directly 
to the function ?

> +
> +	if (IS_ERR(pdev)) {
> +		WARN(1, "Can't build omap_device for %s:%s.\n",
> +						name, oh->name);
> +		return PTR_ERR(pdev);
> +	}
> +
> +	oh->mux = omap_hwmod_mux_init(bdata->pads, bdata->pads_cnt);
> +
> +	return 0;
> +}
> +
>  static inline void omap_init_camera(void)
>  {
>  #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE)
> diff --git a/arch/arm/plat-omap/include/plat/omap44xx.h
> b/arch/arm/plat-omap/include/plat/omap44xx.h index ea2b8a6..31432aa 100644
> --- a/arch/arm/plat-omap/include/plat/omap44xx.h
> +++ b/arch/arm/plat-omap/include/plat/omap44xx.h
> @@ -49,6 +49,15 @@
>  #define OMAP44XX_MAILBOX_BASE		(L4_44XX_BASE + 0xF4000)
>  #define OMAP44XX_HSUSB_OTG_BASE		(L4_44XX_BASE + 0xAB000)
> 
> +#define OMAP44XX_ISS_BASE			0x52000000
> +#define OMAP44XX_ISS_TOP_BASE			(OMAP44XX_ISS_BASE + 0x0)
> +#define OMAP44XX_ISS_CSI2_A_REGS1_BASE		(OMAP44XX_ISS_BASE + 0x1000)
> +#define OMAP44XX_ISS_CAMERARX_CORE1_BASE	(OMAP44XX_ISS_BASE + 0x1170)
> +
> +#define OMAP44XX_ISS_TOP_END			(OMAP44XX_ISS_TOP_BASE + 256 - 1)
> +#define OMAP44XX_ISS_CSI2_A_REGS1_END		(OMAP44XX_ISS_CSI2_A_REGS1_BASE +
> 368 - 1) +#define
> OMAP44XX_ISS_CAMERARX_CORE1_END		(OMAP44XX_ISS_CAMERARX_CORE1_BASE + 32 -
> 1) +
>  #define OMAP4_MMU1_BASE			0x55082000
>  #define OMAP4_MMU2_BASE			0x4A066000

-- 
Regards,

Laurent Pinchart
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