add UIO support for JPU.
PATCH 1/1 add UIO support for JPU.
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 <[email protected]>
--- arch/sh/kernel/cpu/sh4a/setup-sh7722.c | 31 +++++++++++++++++++++++++++++++ 1 files changed, 31 insertions(+), 0 deletions(-)
arch/sh/kernel/cpu/sh4a/setup-sh7722.c +31 -0
@@ -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));
Signature · 1 line
1.5.6.5
Paul Mundt
AppliedQuoted 5 lines · Takanari Hayama
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 <[email protected]>
Applied, thanks.