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Commit 82cbd1ae authored by G, Manjunath Kondaiah's avatar G, Manjunath Kondaiah Committed by Tony Lindgren
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OMAP2430: hwmod data: add system DMA



Add OMAP2430 DMA hwmod data and also add required
DMA device attributes.

Signed-off-by: default avatarG, Manjunath Kondaiah <manjugk@ti.com>
Acked-by: default avatarPaul Walmsley <paul@pwsan.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 745685df
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+86 −0
Original line number Diff line number Diff line
@@ -43,6 +43,7 @@ static struct omap_hwmod omap2430_gpio2_hwmod;
static struct omap_hwmod omap2430_gpio3_hwmod;
static struct omap_hwmod omap2430_gpio4_hwmod;
static struct omap_hwmod omap2430_gpio5_hwmod;
static struct omap_hwmod omap2430_dma_system_hwmod;

/* L3 -> L4_CORE interface */
static struct omap_hwmod_ocp_if omap2430_l3_main__l4_core = {
@@ -840,6 +841,88 @@ static struct omap_hwmod omap2430_gpio5_hwmod = {
	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP2430),
};

/* dma_system */
static struct omap_hwmod_class_sysconfig omap2430_dma_sysc = {
	.rev_offs	= 0x0000,
	.sysc_offs	= 0x002c,
	.syss_offs	= 0x0028,
	.sysc_flags	= (SYSC_HAS_SOFTRESET | SYSC_HAS_MIDLEMODE |
			   SYSC_HAS_CLOCKACTIVITY | SYSC_HAS_EMUFREE |
			   SYSC_HAS_AUTOIDLE),
	.idlemodes	= (MSTANDBY_FORCE | MSTANDBY_NO | MSTANDBY_SMART),
	.sysc_fields	= &omap_hwmod_sysc_type1,
};

static struct omap_hwmod_class omap2430_dma_hwmod_class = {
	.name = "dma",
	.sysc = &omap2430_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 | IS_RW_PRIORITY,
	.lch_count = 32,
};

static struct omap_hwmod_irq_info omap2430_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 omap2430_dma_system_addrs[] = {
	{
		.pa_start	= 0x48056000,
		.pa_end		= 0x4a0560ff,
		.flags		= ADDR_TYPE_RT
	},
};

/* dma_system -> L3 */
static struct omap_hwmod_ocp_if omap2430_dma_system__l3 = {
	.master		= &omap2430_dma_system_hwmod,
	.slave		= &omap2430_l3_main_hwmod,
	.clk		= "core_l3_ck",
	.user		= OCP_USER_MPU | OCP_USER_SDMA,
};

/* dma_system master ports */
static struct omap_hwmod_ocp_if *omap2430_dma_system_masters[] = {
	&omap2430_dma_system__l3,
};

/* l4_core -> dma_system */
static struct omap_hwmod_ocp_if omap2430_l4_core__dma_system = {
	.master		= &omap2430_l4_core_hwmod,
	.slave		= &omap2430_dma_system_hwmod,
	.clk		= "sdma_ick",
	.addr		= omap2430_dma_system_addrs,
	.addr_cnt	= ARRAY_SIZE(omap2430_dma_system_addrs),
	.user		= OCP_USER_MPU | OCP_USER_SDMA,
};

/* dma_system slave ports */
static struct omap_hwmod_ocp_if *omap2430_dma_system_slaves[] = {
	&omap2430_l4_core__dma_system,
};

static struct omap_hwmod omap2430_dma_system_hwmod = {
	.name		= "dma",
	.class		= &omap2430_dma_hwmod_class,
	.mpu_irqs	= omap2430_dma_system_irqs,
	.mpu_irqs_cnt	= ARRAY_SIZE(omap2430_dma_system_irqs),
	.main_clk	= "core_l3_ck",
	.slaves		= omap2430_dma_system_slaves,
	.slaves_cnt	= ARRAY_SIZE(omap2430_dma_system_slaves),
	.masters	= omap2430_dma_system_masters,
	.masters_cnt	= ARRAY_SIZE(omap2430_dma_system_masters),
	.dev_attr	= &dma_dev_attr,
	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP2430),
	.flags		= HWMOD_NO_IDLEST,
};

static __initdata struct omap_hwmod *omap2430_hwmods[] = {
	&omap2430_l3_main_hwmod,
	&omap2430_l4_core_hwmod,
@@ -859,6 +942,9 @@ static __initdata struct omap_hwmod *omap2430_hwmods[] = {
	&omap2430_gpio3_hwmod,
	&omap2430_gpio4_hwmod,
	&omap2430_gpio5_hwmod,

	/* dma_system class*/
	&omap2430_dma_system_hwmod,
	NULL,
};

+1 −0
Original line number Diff line number Diff line
@@ -301,6 +301,7 @@
#define RESERVE_CHANNEL			BIT(0x2)
#define IS_CSSA_32			BIT(0x3)
#define IS_CDSA_32			BIT(0x4)
#define IS_RW_PRIORITY			BIT(0x5)

enum omap_reg_offsets {