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: Takanari Hayama <taki@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 31 insertions, 0 deletions

diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
index 9162013ec695..50cf6838ec41 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
@@ -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));