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Commit b4283184 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Simon Horman
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ARM: shmobile: r8a7778: add HPBIFx DMAEngine support 



Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: default avatarSimon Horman <horms+renesas@verge.net.au>
parent 42a1ba52

arch/arm/mach-shmobile/include/mach/r8a7778.h

+18 −0
Original line number Diff line number Diff line
@@ -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);

arch/arm/mach-shmobile/setup-r8a7778.c

+51 −0
Original line number Diff line number Diff line
@@ -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 = {