This patch adds OMAP4430 DMA hwmod structures.
Signed-off-by: Manjunatha GK <manjugk@xxxxxx>
Cc: Benoit Cousson <b-cousson@xxxxxx>
Cc: Kevin Hilman <khilman@xxxxxxxxxxxxxxxxxxx>
Cc: Santosh Shilimkar <santosh.shilimkar@xxxxxx>
---
arch/arm/mach-omap2/omap_hwmod_44xx_data.c | 99 ++++++++++++++++++++++++++++
1 files changed, 99 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
index e20b0ee..2f54adc 100644
--- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
@@ -22,6 +22,7 @@
#include <plat/omap_hwmod.h>
#include <plat/cpu.h>
+#include <plat/dma.h>
#include "omap_hwmod_common_data.h"
@@ -35,6 +36,7 @@
#define OMAP44XX_DMA_REQ_START 1
/* Backward references (IPs with Bus Master capability) */
+static struct omap_hwmod omap44xx_dma_system_hwmod;
static struct omap_hwmod omap44xx_dmm_hwmod;
static struct omap_hwmod omap44xx_emif_fw_hwmod;
static struct omap_hwmod omap44xx_l3_instr_hwmod;
@@ -215,6 +217,14 @@ static struct omap_hwmod_ocp_if omap44xx_l3_main_1__l3_main_2 = {
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
+/* dma_system -> l3_main_2 */
+static struct omap_hwmod_ocp_if omap44xx_dma_system__l3_main_2 = {
+ .master = &omap44xx_dma_system_hwmod,
+ .slave = &omap44xx_l3_main_2_hwmod,
+ .clk = "l3_div_ck",
+ .user = OCP_USER_MPU | OCP_USER_SDMA,
+};
+
/* l4_cfg -> l3_main_2 */
static struct omap_hwmod_ocp_if omap44xx_l4_cfg__l3_main_2 = {
.master = &omap44xx_l4_cfg_hwmod,
@@ -226,6 +236,7 @@ static struct omap_hwmod_ocp_if omap44xx_l4_cfg__l3_main_2 = {
/* l3_main_2 slave ports */
static struct omap_hwmod_ocp_if *omap44xx_l3_main_2_slaves[] = {
&omap44xx_l3_main_1__l3_main_2,
+ &omap44xx_dma_system__l3_main_2,
&omap44xx_l4_cfg__l3_main_2,
};
@@ -452,6 +463,92 @@ static struct omap_hwmod omap44xx_mpu_hwmod = {
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
};
+/*
+ * 'dma' class
+ * dma controller for data exchange between memory to memory (i.e. internal or
+ * external memory) and gp peripherals to memory or memory to gp peripherals
+ */
+
+static struct omap_hwmod_class_sysconfig omap44xx_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 omap44xx_dma_hwmod_class = {
+ .name = "dma",
+ .sysc = &omap44xx_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 | IS_RW_PRIORIY,
+ .lch_count = OMAP_DMA4_LOGICAL_DMA_CH_COUNT,
+};
+
+/* dma_system */
+static struct omap_hwmod_irq_info omap44xx_dma_system_irqs[] = {
+ { .name = "0", .irq = 12 + OMAP44XX_IRQ_GIC_START },
+ { .name = "1", .irq = 13 + OMAP44XX_IRQ_GIC_START },
+ { .name = "2", .irq = 14 + OMAP44XX_IRQ_GIC_START },
+ { .name = "3", .irq = 15 + OMAP44XX_IRQ_GIC_START },
+};
+
+static struct omap_hwmod_addr_space omap44xx_dma_system_addrs[] = {
+ {
+ .pa_start = 0x4a056000,
+ .pa_end = 0x4a0560ff,
+ .flags = ADDR_TYPE_RT
+ },
+};
+
+/* dma_system master ports */
+static struct omap_hwmod_ocp_if *omap44xx_dma_system_masters[] = {
+ &omap44xx_dma_system__l3_main_2,
+};
+
+/* l4_cfg -> dma_system */
+static struct omap_hwmod_ocp_if omap44xx_l4_cfg__dma_system = {
+ .master = &omap44xx_l4_cfg_hwmod,
+ .slave = &omap44xx_dma_system_hwmod,
+ .clk = "l4_div_ck",
+ .addr = omap44xx_dma_system_addrs,
+ .addr_cnt = ARRAY_SIZE(omap44xx_dma_system_addrs),
+ .user = OCP_USER_MPU | OCP_USER_SDMA,
+};
+
+/* dma_system slave ports */
+static struct omap_hwmod_ocp_if *omap44xx_dma_system_slaves[] = {
+ &omap44xx_l4_cfg__dma_system,
+};
+
+static struct omap_hwmod omap44xx_dma_system_hwmod = {
+ .name = "dma_system",
+ .class = &omap44xx_dma_hwmod_class,
+ .mpu_irqs = omap44xx_dma_system_irqs,
+ .mpu_irqs_cnt = ARRAY_SIZE(omap44xx_dma_system_irqs),
+ .main_clk = "l3_div_ck",
+ .prcm = {
+ .omap4 = {
+ .clkctrl_reg = OMAP4430_CM_SDMA_SDMA_CLKCTRL,
+ },
+ },
+ .slaves = omap44xx_dma_system_slaves,
+ .slaves_cnt = ARRAY_SIZE(omap44xx_dma_system_slaves),
+ .masters = omap44xx_dma_system_masters,
+ .masters_cnt = ARRAY_SIZE(omap44xx_dma_system_masters),
+ .dev_attr = &dma_dev_attr,
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
+ .flags = HWMOD_NO_IDLEST,
+};
+
static __initdata struct omap_hwmod *omap44xx_hwmods[] = {
/* dmm class */
&omap44xx_dmm_hwmod,
@@ -472,6 +569,8 @@ static __initdata struct omap_hwmod *omap44xx_hwmods[] = {
/* mpu class */
&omap44xx_mpu_hwmod,
+ /* dma class */
+ &omap44xx_dma_system_hwmod,
NULL,
};
--
1.7.0.4
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
