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Commit 7d91fcfc authored by Takanari Hayama's avatar Takanari Hayama Committed by Paul Mundt
Browse files

sh: add UIO support for JPU on SH7722. 



Add JPU support on Migo-R via UIO. This make use of Magnus's
generic UIO platform driver. Chunk of contiguous memory to hold
intermediate image and compressed data during encode and decode.

Signed-off-by: default avatarTakanari Hayama <taki@igel.co.jp>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent b0c50ad7

arch/sh/kernel/cpu/sh4a/setup-sh7722.c

+31 −0
Original line number Diff line number Diff line
@@ -148,6 +148,34 @@ static struct platform_device veu_device = { 
	.num_resources	= ARRAY_SIZE(veu_resources),

};



static struct uio_info jpu_platform_data = {

	.name = "JPU",

	.version = "0",

	.irq = 27,

};



static struct resource jpu_resources[] = {

	[0] = {

		.name	= "JPU",

		.start	= 0xfea00000,

		.end	= 0xfea102d0,

		.flags	= IORESOURCE_MEM,

	},

	[1] = {

		/* place holder for contiguous memory */

	},

};



static struct platform_device jpu_device = {

	.name		= "uio_pdrv_genirq",

	.id		= 2,

	.dev = {

		.platform_data	= &jpu_platform_data,

	},

	.resource	= jpu_resources,

	.num_resources	= ARRAY_SIZE(jpu_resources),

};



static struct plat_sci_port sci_platform_data[] = {

	{

		.mapbase	= 0xffe00000,
@@ -187,6 +215,7 @@ static struct platform_device *sh7722_devices[] __initdata = { 
	&sci_device,

	&vpu_device,

	&veu_device,

	&jpu_device,

};



static int __init sh7722_devices_setup(void)
@@ -196,9 +225,11 @@ static int __init sh7722_devices_setup(void) 
	clk_always_enable("rtc0"); /* RTC */

	clk_always_enable("veu0"); /* VEU */

	clk_always_enable("vpu0"); /* VPU */

	clk_always_enable("jpu0"); /* JPU */



	platform_resource_setup_memory(&vpu_device, "vpu", 1 << 20);

	platform_resource_setup_memory(&veu_device, "veu", 2 << 20);

	platform_resource_setup_memory(&jpu_device, "jpu", 2 << 20);



	return platform_add_devices(sh7722_devices,

				    ARRAY_SIZE(sh7722_devices));