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ARM: shmobile: r8a7778: add HPBIFx DMAEngine support

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Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Kuninori Morimoto
2013-11-20 23:25:32 -08:00
committed by Simon Horman
parent 42a1ba525d
commit b42831843e
2 changed files with 69 additions and 0 deletions
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18
arch/arm/mach-shmobile/include/mach/r8a7778.h
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@ -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);

51
arch/arm/mach-shmobile/setup-r8a7778.c
View File

@ -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 = {