Re: [PATCH v2 3/9] OMAP2420: hwmod data: add system DMA

["G, Manjunath Kondaiah" <manjugk@ti.com>]

Hi Paul,

On Fri, Dec 17, 2010 at 09:09:42PM +0530, G, Manjunath Kondaiah wrote:
> Add OMAP2420 DMA hwmod data and also add required
> DMA device attributes.
> 
> Signed-off-by: G, Manjunath Kondaiah <manjugk@ti.com>
> ---
>  arch/arm/mach-omap2/omap_hwmod_2420_data.c |   87 ++++++++++++++++++++++++++++
>  arch/arm/plat-omap/include/plat/dma.h      |   11 ++++
>  2 files changed, 98 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/mach-omap2/omap_hwmod_2420_data.c b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
> index d953425..eb02fec 100644
> --- a/arch/arm/mach-omap2/omap_hwmod_2420_data.c
> +++ b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
> @@ -42,6 +42,7 @@ static struct omap_hwmod omap2420_gpio1_hwmod;
>  static struct omap_hwmod omap2420_gpio2_hwmod;
>  static struct omap_hwmod omap2420_gpio3_hwmod;
>  static struct omap_hwmod omap2420_gpio4_hwmod;
> +static struct omap_hwmod omap2420_dma_system_hwmod;
>  
>  /* L3 -> L4_CORE interface */
>  static struct omap_hwmod_ocp_if omap2420_l3_main__l4_core = {
> @@ -779,6 +780,89 @@ static struct omap_hwmod omap2420_gpio4_hwmod = {
>  	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP2420),
>  };
>  
> +/* system dma */
> +static struct omap_hwmod_class_sysconfig omap2420_dma_sysc = {
> +	.rev_offs	= 0x0000,
> +	.sysc_offs	= 0x002c,
> +	.syss_offs	= 0x0028,
> +	.sysc_flags	= (SYSC_HAS_SIDLEMODE | SYSC_HAS_SOFTRESET |
> +			   SYSC_HAS_MIDLEMODE | SYSC_HAS_CLOCKACTIVITY |
> +			   SYSC_HAS_EMUFREE | SYSC_HAS_AUTOIDLE),
> +	.idlemodes	= (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART |
> +			   MSTANDBY_FORCE | MSTANDBY_NO | MSTANDBY_SMART),
> +	.sysc_fields	= &omap_hwmod_sysc_type1,
> +};
> +
> +static struct omap_hwmod_class omap2420_dma_hwmod_class = {
> +	.name = "dma",
> +	.sysc = &omap2420_dma_sysc,
> +};
> +
> +/* dma attributes */
> +static struct omap_dma_dev_attr dma_dev_attr = {
> +	.dev_caps  = RESERVE_CHANNEL | DMA_LINKED_LCH | GLOBAL_PRIORITY |
> +						IS_CSSA_32 | IS_CDSA_32,
> +	.lch_count = 32,
> +};
> +
> +static struct omap_hwmod_irq_info omap2420_dma_system_irqs[] = {
> +	{ .name = "0", .irq = 12 }, /* INT_24XX_SDMA_IRQ0 */
> +	{ .name = "1", .irq = 13 }, /* INT_24XX_SDMA_IRQ1 */
> +	{ .name = "2", .irq = 14 }, /* INT_24XX_SDMA_IRQ2 */
> +	{ .name = "3", .irq = 15 }, /* INT_24XX_SDMA_IRQ3 */
> +};
> +
> +static struct omap_hwmod_addr_space omap2420_dma_system_addrs[] = {
> +	{
> +		.pa_start	= 0x48056000,
> +		.pa_end		= 0x4a0560ff,
> +		.flags		= ADDR_TYPE_RT
> +	},
> +};
> +
> +/* dma_system -> L3 */
> +static struct omap_hwmod_ocp_if omap2420_dma_system__l3 = {
> +	.master		= &omap2420_dma_system_hwmod,
> +	.slave		= &omap2420_l3_main_hwmod,
> +	.clk		= "core_l3_ck",
> +	.user		= OCP_USER_MPU | OCP_USER_SDMA,
> +};
> +
> +/* dma_system master ports */
> +static struct omap_hwmod_ocp_if *omap2420_dma_system_masters[] = {
> +	&omap2420_dma_system__l3,
> +};
> +
> +/* l4_cfg -> dma_system */
> +static struct omap_hwmod_ocp_if omap2420_l4_core__dma_system = {
> +	.master		= &omap2420_l4_core_hwmod,
> +	.slave		= &omap2420_dma_system_hwmod,
> +	.clk		= "sdma_ick",
> +	.addr		= omap2420_dma_system_addrs,
> +	.addr_cnt	= ARRAY_SIZE(omap2420_dma_system_addrs),
> +	.user		= OCP_USER_MPU | OCP_USER_SDMA,
> +};
> +
> +/* dma_system slave ports */
> +static struct omap_hwmod_ocp_if *omap2420_dma_system_slaves[] = {
> +	&omap2420_l4_core__dma_system,
> +};
> +
> +static struct omap_hwmod omap2420_dma_system_hwmod = {
> +	.name		= "dma",
> +	.class		= &omap2420_dma_hwmod_class,
> +	.mpu_irqs	= omap2420_dma_system_irqs,
> +	.mpu_irqs_cnt	= ARRAY_SIZE(omap2420_dma_system_irqs),
> +	.main_clk	= "core_l3_ck",

The clock entries are modified as per your review comments and tested
the chagnes on N800 and 2430SDP(for patch 4/9).

Can you pls ack these patches so that tony can merge this series?

-Manjunath