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>
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
index 9162013..50cf683 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
@@ -148,6 +148,34 @@
.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 @@
&sci_device,
&vpu_device,
&veu_device,
+ &jpu_device,
};
static int __init sh7722_devices_setup(void)
@@ -196,9 +225,11 @@
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));