[RFC,01/10] OMAP2420: DMA: HWMOD: Add hwmod data structures

Commit Message

manjugk manjugk July 8, 2010, 10:51 p.m. UTC

This patch adds OMAP2420 DMA hwmod structures.

Signed-off-by: Manjunatha GK <[e-mail]>
Signed-off-by: Basak, Partha <[e-mail]>
Cc: Benoit Cousson <[e-mail]>
Cc: Kevin Hilman <[e-mail]>
Cc: Paul Walmsley <[e-mail]>
Cc: Santosh Shilimkar <[e-mail]>
Cc: Rajendra Nayak <[e-mail]>
---
 arch/arm/mach-omap2/omap_hwmod_2420_data.c |   95 +++++++++++++++++++++++++++-
 1 files changed, 93 insertions(+), 2 deletions(-)

Patch

diff --git a/arch/arm/mach-omap2/omap_hwmod_2420_data.c b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
index 8c90b27..294d5cc 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2420_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
@@ -16,6 +16,9 @@ 
 #include <plat/cpu.h>
 #include <plat/dma.h>
 
+#include <mach/irqs.h>
+#include <mach/dma.h>
+
 #include "omap_hwmod_common_data.h"
 
 #include "prm-regbits-24xx.h"
@@ -32,6 +35,7 @@ 
 static struct omap_hwmod omap2420_mpu_hwmod;
 static struct omap_hwmod omap2420_l3_main_hwmod;
 static struct omap_hwmod omap2420_l4_core_hwmod;
+static struct omap_hwmod omap2420_dma_system_hwmod;
 
 /* L3 -> L4_CORE interface */
 static struct omap_hwmod_ocp_if omap2420_l3_main__l4_core = {
@@ -136,11 +140,100 @@  static struct omap_hwmod omap2420_mpu_hwmod = {
 	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP2420),
 };
 
+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,
+};
+
+/* system dma */
+
+/* dma attributes */
+static struct omap_dma_dev_attr dma_dev_attr = {
+	.dma_dev_attr = DMA_LINKED_LCH | GLOBAL_PRIORITY |
+				IS_CSSA_32 | IS_CDSA_32,
+	.dma_lch_count = OMAP_DMA4_LOGICAL_DMA_CH_COUNT,
+};
+
+static struct omap_hwmod_irq_info omap2420_dma_system_irqs[] = {
+	{ .name = "dma_0", .irq = INT_24XX_SDMA_IRQ0 },
+	{ .name = "dma_1", .irq = INT_24XX_SDMA_IRQ1 },
+	{ .name = "dma_2", .irq = INT_24XX_SDMA_IRQ2 },
+	{ .name = "dma_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",
+	.prcm = {
+		.omap2 = {
+			/* .clkctrl_reg = NULL, */
+		},
+	},
+	.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),
+};
+
 static __initdata struct omap_hwmod *omap2420_hwmods[] = {
 	&omap2420_l3_main_hwmod,
 	&omap2420_l4_core_hwmod,
 	&omap2420_l4_wkup_hwmod,
 	&omap2420_mpu_hwmod,
+	&omap2420_dma_system_hwmod,
 	NULL,
 };
 
@@ -148,5 +241,3 @@  int __init omap2420_hwmod_init(void)
 {
 	return omap_hwmod_init(omap2420_hwmods);
 }
-
-