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Commit aa993864 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Simon Horman
Browse files

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: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: default avatarSimon Horman <horms+renesas@verge.net.au>
parent 0fe35077

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

+2 −0
Original line number Diff line number Diff line
@@ -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);

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

+18 −0
Original line number Diff line number Diff line
@@ -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 */