UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

ARM: shmobile: r8a7778: add USB Func DMAEngine support 

HPB-DMAC has 2 channel for USB Func (= D0/D1)
D0 is used as Tx, D1 is used as Rx on this patch

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 2013-12-10 16:51:04 -08:00 committed by Simon Horman
parent 0fe35077a9
commit aa9938644c
2 changed files with 20 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/mach-shmobile/include/mach/r8a7778.h
View File

@ -62,6 +62,8 @@ enum {
HPBDMA_SLAVE_HPBIF7_RX,
HPBDMA_SLAVE_HPBIF8_TX,
HPBDMA_SLAVE_HPBIF8_RX,
HPBDMA_SLAVE_USBFUNC_TX,
HPBDMA_SLAVE_USBFUNC_RX,
};
extern void r8a7778_add_standard_devices(void);

18
arch/arm/mach-shmobile/setup-r8a7778.c
View File

@ -394,6 +394,22 @@ static const struct hpb_dmae_slave_config hpb_dmae_slaves[] = {
.port = 0x0D0C,
.flags = HPB_DMAE_SET_ASYNC_RESET | HPB_DMAE_SET_ASYNC_MODE,
.dma_ch = 22,
}, {
.id = HPBDMA_SLAVE_USBFUNC_TX, /* for D0 */
.addr = 0xffe60018,
.dcr = HPB_DMAE_DCR_SPDS_32BIT |
HPB_DMAE_DCR_DMDL |
HPB_DMAE_DCR_DPDS_32BIT,
.port = 0x0000,
.dma_ch = 14,
}, {
.id = HPBDMA_SLAVE_USBFUNC_RX, /* for D1 */
.addr = 0xffe6001c,
.dcr = HPB_DMAE_DCR_SMDL |
HPB_DMAE_DCR_SPDS_32BIT |
HPB_DMAE_DCR_DPDS_32BIT,
.port = 0x0101,
.dma_ch = 15,
},
HPBDMA_SSI(0),
@ -418,6 +434,8 @@ static const struct hpb_dmae_slave_config hpb_dmae_slaves[] = {
};
static const struct hpb_dmae_channel hpb_dmae_channels[] = {
HPB_DMAE_CHANNEL(0x7c, HPBDMA_SLAVE_USBFUNC_TX), /* ch. 14 */
HPB_DMAE_CHANNEL(0x7c, HPBDMA_SLAVE_USBFUNC_RX), /* ch. 15 */
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_SSI0_TX), /* ch. 28 */