From: Simon Horman <horms@verge.net.au>
To: linux-sh@vger.kernel.org
Subject: Re: [PATCH] ARM: shmobile: r8a7778: add USB Func DMAEngine support
Date: Wed, 11 Dec 2013 00:59:42 +0000 [thread overview]
Message-ID: <20131211005940.GF19992@verge.net.au> (raw)
In-Reply-To: <87txegnrbf.wl%kuninori.morimoto.gx@gmail.com>
On Tue, Dec 10, 2013 at 04:51:04PM -0800, Kuninori Morimoto wrote:
> From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
>
> 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>
> ---
> > Simon
>
> BockW board will use this patch, but it needs
> HPB-DMAC fixup patches merge.
> I will send it when merged, but this patch
> itself doesn't depend on HPB-DMAC fixup branch.
Ok, so I can queue-up this patch now?
> arch/arm/mach-shmobile/include/mach/r8a7778.h | 2 ++
> arch/arm/mach-shmobile/setup-r8a7778.c | 18 ++++++++++++++++++
> 2 files changed, 20 insertions(+)
>
> diff --git a/arch/arm/mach-shmobile/include/mach/r8a7778.h b/arch/arm/mach-shmobile/include/mach/r8a7778.h
> index a3440e5..5efd89d 100644
> --- a/arch/arm/mach-shmobile/include/mach/r8a7778.h
> +++ b/arch/arm/mach-shmobile/include/mach/r8a7778.h
> @@ -63,6 +63,8 @@ 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);
> diff --git a/arch/arm/mach-shmobile/setup-r8a7778.c b/arch/arm/mach-shmobile/setup-r8a7778.c
> index e786338..7ea6308 100644
> --- a/arch/arm/mach-shmobile/setup-r8a7778.c
> +++ b/arch/arm/mach-shmobile/setup-r8a7778.c
> @@ -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 */
> --
> 1.7.9.5
>
next prev parent reply other threads:[~2013-12-11 0:59 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-11 0:51 [PATCH] ARM: shmobile: r8a7778: add USB Func DMAEngine support Kuninori Morimoto
2013-12-11 0:59 ` Simon Horman [this message]
2013-12-11 3:10 ` Kuninori Morimoto
2013-12-12 13:04 ` Simon Horman
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