[PATCH 30/33] ARM: shmobile: r8a7778: add HPBIFx DMAEngine support
Simon Horman
horms+renesas at verge.net.au
Thu Dec 12 21:30:03 EST 2013
From: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
Signed-off-by: Simon Horman <horms+renesas at verge.net.au>
---
arch/arm/mach-shmobile/include/mach/r8a7778.h | 18 ++++++++++
arch/arm/mach-shmobile/setup-r8a7778.c | 51 +++++++++++++++++++++++++++
2 files changed, 69 insertions(+)
diff --git a/arch/arm/mach-shmobile/include/mach/r8a7778.h b/arch/arm/mach-shmobile/include/mach/r8a7778.h
index 441886c..b497f93 100644
--- a/arch/arm/mach-shmobile/include/mach/r8a7778.h
+++ b/arch/arm/mach-shmobile/include/mach/r8a7778.h
@@ -27,6 +27,24 @@ enum {
HPBDMA_SLAVE_DUMMY,
HPBDMA_SLAVE_SDHI0_TX,
HPBDMA_SLAVE_SDHI0_RX,
+ HPBDMA_SLAVE_HPBIF0_TX,
+ HPBDMA_SLAVE_HPBIF0_RX,
+ HPBDMA_SLAVE_HPBIF1_TX,
+ HPBDMA_SLAVE_HPBIF1_RX,
+ HPBDMA_SLAVE_HPBIF2_TX,
+ HPBDMA_SLAVE_HPBIF2_RX,
+ HPBDMA_SLAVE_HPBIF3_TX,
+ HPBDMA_SLAVE_HPBIF3_RX,
+ HPBDMA_SLAVE_HPBIF4_TX,
+ HPBDMA_SLAVE_HPBIF4_RX,
+ HPBDMA_SLAVE_HPBIF5_TX,
+ HPBDMA_SLAVE_HPBIF5_RX,
+ HPBDMA_SLAVE_HPBIF6_TX,
+ HPBDMA_SLAVE_HPBIF6_RX,
+ HPBDMA_SLAVE_HPBIF7_TX,
+ HPBDMA_SLAVE_HPBIF7_RX,
+ HPBDMA_SLAVE_HPBIF8_TX,
+ HPBDMA_SLAVE_HPBIF8_RX,
};
extern void r8a7778_add_standard_devices(void);
diff --git a/arch/arm/mach-shmobile/setup-r8a7778.c b/arch/arm/mach-shmobile/setup-r8a7778.c
index 03fcc59..81701cf 100644
--- a/arch/arm/mach-shmobile/setup-r8a7778.c
+++ b/arch/arm/mach-shmobile/setup-r8a7778.c
@@ -319,6 +319,29 @@ void __init r8a7778_add_dt_devices(void)
#define HPB_DMAE_ASYNCMDR_ASMD21_SINGLE BIT(1) /* SDHI0 */
#define HPB_DMAE_ASYNCMDR_ASMD21_MULTI 0 /* SDHI0 */
+#define HPBDMA_HPBIF(_id) \
+{ \
+ .id = HPBDMA_SLAVE_HPBIF## _id ##_TX, \
+ .addr = 0xffda0000 + (_id * 0x1000), \
+ .dcr = HPB_DMAE_DCR_CT | \
+ HPB_DMAE_DCR_DIP | \
+ HPB_DMAE_DCR_SPDS_32BIT | \
+ HPB_DMAE_DCR_DMDL | \
+ HPB_DMAE_DCR_DPDS_32BIT, \
+ .port = 0x1111, \
+ .dma_ch = (28 + _id), \
+}, { \
+ .id = HPBDMA_SLAVE_HPBIF## _id ##_RX, \
+ .addr = 0xffda0000 + (_id * 0x1000), \
+ .dcr = HPB_DMAE_DCR_CT | \
+ HPB_DMAE_DCR_DIP | \
+ HPB_DMAE_DCR_SMDL | \
+ HPB_DMAE_DCR_SPDS_32BIT | \
+ HPB_DMAE_DCR_DPDS_32BIT, \
+ .port = 0x1111, \
+ .dma_ch = (28 + _id), \
+}
+
static const struct hpb_dmae_slave_config hpb_dmae_slaves[] = {
{
.id = HPBDMA_SLAVE_SDHI0_TX,
@@ -349,11 +372,39 @@ static const struct hpb_dmae_slave_config hpb_dmae_slaves[] = {
.flags = HPB_DMAE_SET_ASYNC_RESET | HPB_DMAE_SET_ASYNC_MODE,
.dma_ch = 22,
},
+
+ HPBDMA_HPBIF(0),
+ HPBDMA_HPBIF(1),
+ HPBDMA_HPBIF(2),
+ HPBDMA_HPBIF(3),
+ HPBDMA_HPBIF(4),
+ HPBDMA_HPBIF(5),
+ HPBDMA_HPBIF(6),
+ HPBDMA_HPBIF(7),
+ HPBDMA_HPBIF(8),
};
static const struct hpb_dmae_channel hpb_dmae_channels[] = {
HPB_DMAE_CHANNEL(0x7e, HPBDMA_SLAVE_SDHI0_TX), /* ch. 21 */
HPB_DMAE_CHANNEL(0x7e, HPBDMA_SLAVE_SDHI0_RX), /* ch. 22 */
+ HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF0_TX), /* ch. 28 */
+ HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF0_RX), /* ch. 28 */
+ HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF1_TX), /* ch. 29 */
+ HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF1_RX), /* ch. 29 */
+ HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF2_TX), /* ch. 30 */
+ HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF2_RX), /* ch. 30 */
+ HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF3_TX), /* ch. 31 */
+ HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF3_RX), /* ch. 31 */
+ HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF4_TX), /* ch. 32 */
+ HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF4_RX), /* ch. 32 */
+ HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF5_TX), /* ch. 33 */
+ HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF5_RX), /* ch. 33 */
+ HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF6_TX), /* ch. 34 */
+ HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF6_RX), /* ch. 34 */
+ HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF7_TX), /* ch. 35 */
+ HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF7_RX), /* ch. 35 */
+ HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF8_TX), /* ch. 36 */
+ HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF8_RX), /* ch. 36 */
};
static struct hpb_dmae_pdata dma_platform_data __initdata = {
--
1.8.4
More information about the linux-arm-kernel
mailing list