[PATCH v3 04/13] OMAP2420: DMA: hwmod: add system DMA
Kevin Hilman
khilman at deeprootsystems.com
Tue Nov 9 18:13:38 EST 2010
"G, Manjunath Kondaiah" <manjugk at ti.com> writes:
> Add OMAP2420 DMA hwmod structures.
s/structures/data/
Also, as pointed out in many other hwmod reviews, when adding hwmod
data, subject should be something like:
OMAP2420: hwmod_data: add system DMA
Kevin
> Signed-off-by: G, Manjunath Kondaiah <manjugk at ti.com>
> Cc: Benoit Cousson <b-cousson at ti.com>
> Cc: Kevin Hilman <khilman at deeprootsystems.com>
> Cc: Santosh Shilimkar <santosh.shilimkar at ti.com>
> ---
> arch/arm/mach-omap2/omap_hwmod_2420_data.c | 85 ++++++++++++++++++++++++++++
> 1 files changed, 85 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 a1a3dd6..3a51392 100644
> --- a/arch/arm/mach-omap2/omap_hwmod_2420_data.c
> +++ b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
> @@ -38,6 +38,7 @@ static struct omap_hwmod omap2420_iva_hwmod;
> static struct omap_hwmod omap2420_l3_main_hwmod;
> static struct omap_hwmod omap2420_l4_core_hwmod;
> static struct omap_hwmod omap2420_wd_timer2_hwmod;
> +static struct omap_hwmod omap2420_dma_system_hwmod;
>
> /* L3 -> L4_CORE interface */
> static struct omap_hwmod_ocp_if omap2420_l3_main__l4_core = {
> @@ -557,6 +558,89 @@ static struct omap_hwmod omap2420_i2c2_hwmod = {
> .flags = HWMOD_16BIT_REG,
> };
>
> +/* 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 = DMA_LINKED_LCH | GLOBAL_PRIORITY |
> + IS_CSSA_32 | IS_CDSA_32,
> + .lch_count = OMAP_DMA4_LOGICAL_DMA_CH_COUNT,
> +};
> +
> +static struct omap_hwmod_irq_info omap2420_dma_system_irqs[] = {
> + { .name = "0", .irq = INT_24XX_SDMA_IRQ0 },
> + { .name = "1", .irq = INT_24XX_SDMA_IRQ1 },
> + { .name = "2", .irq = INT_24XX_SDMA_IRQ2 },
> + { .name = "3", .irq = 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 = "l3_div_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 = "l4_div_ck",
> + .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 = "l3_div_ck",
> + .slaves = omap2420_dma_system_slaves,
> + .slaves_cnt = ARRAY_SIZE(omap2420_dma_system_slaves),
> + .masters = omap2420_dma_system_masters,
> + .masters_cnt = ARRAY_SIZE(omap2420_dma_system_masters),
> + .dev_attr = &dma_dev_attr,
> + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2420),
> + .flags = HWMOD_NO_IDLEST,
> +};
> +
> static __initdata struct omap_hwmod *omap2420_hwmods[] = {
> &omap2420_l3_main_hwmod,
> &omap2420_l4_core_hwmod,
> @@ -569,6 +653,7 @@ static __initdata struct omap_hwmod *omap2420_hwmods[] = {
> &omap2420_uart3_hwmod,
> &omap2420_i2c1_hwmod,
> &omap2420_i2c2_hwmod,
> + &omap2420_dma_system_hwmod,
> NULL,
> };
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