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ARM: mach-shmobile: sh7372: Add USB-DMAC support
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Kuninori Morimoto
Paul Mundt
parent
260bf2c5f6
commit
afe48049ab
@ -509,7 +509,7 @@ enum { MSTP001,
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MSTP118, MSTP117, MSTP116, MSTP113,
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MSTP106, MSTP101, MSTP100,
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MSTP223,
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MSTP218, MSTP217, MSTP216,
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MSTP214, MSTP218, MSTP217, MSTP216,
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MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
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MSTP329, MSTP328, MSTP323, MSTP322, MSTP314, MSTP313, MSTP312,
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MSTP423, MSTP415, MSTP413, MSTP411, MSTP410, MSTP406, MSTP403,
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@ -538,6 +538,7 @@ static struct clk mstp_clks[MSTP_NR] = {
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[MSTP218] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 18, 0), /* DMAC1 */
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[MSTP217] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 17, 0), /* DMAC2 */
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[MSTP216] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 16, 0), /* DMAC3 */
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[MSTP214] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 14, 0), /* USBDMAC */
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[MSTP207] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 7, 0), /* SCIFA5 */
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[MSTP206] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 6, 0), /* SCIFB */
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[MSTP204] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 4, 0), /* SCIFA0 */
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@ -633,6 +634,8 @@ static struct clk_lookup lookups[] = {
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CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks[MSTP218]), /* DMAC1 */
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CLKDEV_DEV_ID("sh-dma-engine.1", &mstp_clks[MSTP217]), /* DMAC2 */
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CLKDEV_DEV_ID("sh-dma-engine.2", &mstp_clks[MSTP216]), /* DMAC3 */
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CLKDEV_DEV_ID("sh-dma-engine.3", &mstp_clks[MSTP214]), /* USB-DMAC0 */
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CLKDEV_DEV_ID("sh-dma-engine.4", &mstp_clks[MSTP214]), /* USB-DMAC1 */
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CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), /* SCIFA5 */
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CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP206]), /* SCIFB */
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CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), /* SCIFA0 */
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@ -458,6 +458,10 @@ enum {
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SHDMA_SLAVE_SDHI2_TX,
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SHDMA_SLAVE_MMCIF_RX,
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SHDMA_SLAVE_MMCIF_TX,
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SHDMA_SLAVE_USB0_TX,
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SHDMA_SLAVE_USB0_RX,
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SHDMA_SLAVE_USB1_TX,
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SHDMA_SLAVE_USB1_RX,
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};
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extern struct clk sh7372_extal1_clk;
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@ -602,6 +602,150 @@ static struct platform_device dma2_device = {
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},
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};
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/*
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* USB-DMAC
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*/
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unsigned int usbts_shift[] = {3, 4, 5};
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enum {
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XMIT_SZ_8BYTE = 0,
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XMIT_SZ_16BYTE = 1,
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XMIT_SZ_32BYTE = 2,
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};
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#define USBTS_INDEX2VAL(i) (((i) & 3) << 6)
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static const struct sh_dmae_channel sh7372_usb_dmae_channels[] = {
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{
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.offset = 0,
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}, {
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.offset = 0x20,
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},
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};
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/* USB DMAC0 */
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static const struct sh_dmae_slave_config sh7372_usb_dmae0_slaves[] = {
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{
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.slave_id = SHDMA_SLAVE_USB0_TX,
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.chcr = USBTS_INDEX2VAL(XMIT_SZ_8BYTE),
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}, {
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.slave_id = SHDMA_SLAVE_USB0_RX,
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.chcr = USBTS_INDEX2VAL(XMIT_SZ_8BYTE),
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},
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};
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static struct sh_dmae_pdata usb_dma0_platform_data = {
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.slave = sh7372_usb_dmae0_slaves,
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.slave_num = ARRAY_SIZE(sh7372_usb_dmae0_slaves),
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.channel = sh7372_usb_dmae_channels,
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.channel_num = ARRAY_SIZE(sh7372_usb_dmae_channels),
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.ts_low_shift = 6,
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.ts_low_mask = 0xc0,
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.ts_high_shift = 0,
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.ts_high_mask = 0,
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.ts_shift = usbts_shift,
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.ts_shift_num = ARRAY_SIZE(usbts_shift),
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.dmaor_init = DMAOR_DME,
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.chcr_offset = 0x14,
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.chcr_ie_bit = 1 << 5,
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.dmaor_is_32bit = 1,
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.needs_tend_set = 1,
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.no_dmars = 1,
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};
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static struct resource sh7372_usb_dmae0_resources[] = {
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{
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/* Channel registers and DMAOR */
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.start = 0xe68a0020,
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.end = 0xe68a0064 - 1,
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.flags = IORESOURCE_MEM,
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},
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{
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/* VCR/SWR/DMICR */
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.start = 0xe68a0000,
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.end = 0xe68a0014 - 1,
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.flags = IORESOURCE_MEM,
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},
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{
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/* IRQ for channels */
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.start = evt2irq(0x0a00),
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.end = evt2irq(0x0a00),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device usb_dma0_device = {
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.name = "sh-dma-engine",
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.id = 3,
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.resource = sh7372_usb_dmae0_resources,
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.num_resources = ARRAY_SIZE(sh7372_usb_dmae0_resources),
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.dev = {
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.platform_data = &usb_dma0_platform_data,
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},
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};
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/* USB DMAC1 */
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static const struct sh_dmae_slave_config sh7372_usb_dmae1_slaves[] = {
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{
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.slave_id = SHDMA_SLAVE_USB1_TX,
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.chcr = USBTS_INDEX2VAL(XMIT_SZ_8BYTE),
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}, {
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.slave_id = SHDMA_SLAVE_USB1_RX,
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.chcr = USBTS_INDEX2VAL(XMIT_SZ_8BYTE),
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},
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};
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static struct sh_dmae_pdata usb_dma1_platform_data = {
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.slave = sh7372_usb_dmae1_slaves,
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.slave_num = ARRAY_SIZE(sh7372_usb_dmae1_slaves),
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.channel = sh7372_usb_dmae_channels,
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.channel_num = ARRAY_SIZE(sh7372_usb_dmae_channels),
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.ts_low_shift = 6,
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.ts_low_mask = 0xc0,
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.ts_high_shift = 0,
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.ts_high_mask = 0,
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.ts_shift = usbts_shift,
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.ts_shift_num = ARRAY_SIZE(usbts_shift),
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.dmaor_init = DMAOR_DME,
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.chcr_offset = 0x14,
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.chcr_ie_bit = 1 << 5,
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.dmaor_is_32bit = 1,
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.needs_tend_set = 1,
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.no_dmars = 1,
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};
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static struct resource sh7372_usb_dmae1_resources[] = {
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{
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/* Channel registers and DMAOR */
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.start = 0xe68c0020,
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.end = 0xe68c0064 - 1,
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.flags = IORESOURCE_MEM,
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},
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{
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/* VCR/SWR/DMICR */
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.start = 0xe68c0000,
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.end = 0xe68c0014 - 1,
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.flags = IORESOURCE_MEM,
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},
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{
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/* IRQ for channels */
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.start = evt2irq(0x1d00),
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.end = evt2irq(0x1d00),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device usb_dma1_device = {
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.name = "sh-dma-engine",
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.id = 4,
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.resource = sh7372_usb_dmae1_resources,
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.num_resources = ARRAY_SIZE(sh7372_usb_dmae1_resources),
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.dev = {
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.platform_data = &usb_dma1_platform_data,
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},
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};
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/* VPU */
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static struct uio_info vpu_platform_data = {
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.name = "VPU5HG",
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@ -829,6 +973,8 @@ static struct platform_device *sh7372_late_devices[] __initdata = {
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&dma0_device,
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&dma1_device,
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&dma2_device,
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&usb_dma0_device,
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&usb_dma1_device,
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&vpu_device,
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&veu0_device,
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&veu1_device,
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