Commit afe48049 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Paul Mundt

ARM: mach-shmobile: sh7372: Add USB-DMAC support

Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 260bf2c5
......@@ -509,7 +509,7 @@ enum { MSTP001,
MSTP118, MSTP117, MSTP116, MSTP113,
MSTP106, MSTP101, MSTP100,
MSTP223,
MSTP218, MSTP217, MSTP216,
MSTP214, MSTP218, MSTP217, MSTP216,
MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
MSTP329, MSTP328, MSTP323, MSTP322, MSTP314, MSTP313, MSTP312,
MSTP423, MSTP415, MSTP413, MSTP411, MSTP410, MSTP406, MSTP403,
......@@ -538,6 +538,7 @@ static struct clk mstp_clks[MSTP_NR] = {
[MSTP218] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 18, 0), /* DMAC1 */
[MSTP217] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 17, 0), /* DMAC2 */
[MSTP216] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 16, 0), /* DMAC3 */
[MSTP214] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 14, 0), /* USBDMAC */
[MSTP207] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 7, 0), /* SCIFA5 */
[MSTP206] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 6, 0), /* SCIFB */
[MSTP204] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 4, 0), /* SCIFA0 */
......@@ -633,6 +634,8 @@ static struct clk_lookup lookups[] = {
CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks[MSTP218]), /* DMAC1 */
CLKDEV_DEV_ID("sh-dma-engine.1", &mstp_clks[MSTP217]), /* DMAC2 */
CLKDEV_DEV_ID("sh-dma-engine.2", &mstp_clks[MSTP216]), /* DMAC3 */
CLKDEV_DEV_ID("sh-dma-engine.3", &mstp_clks[MSTP214]), /* USB-DMAC0 */
CLKDEV_DEV_ID("sh-dma-engine.4", &mstp_clks[MSTP214]), /* USB-DMAC1 */
CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), /* SCIFA5 */
CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP206]), /* SCIFB */
CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), /* SCIFA0 */
......
......@@ -458,6 +458,10 @@ enum {
SHDMA_SLAVE_SDHI2_TX,
SHDMA_SLAVE_MMCIF_RX,
SHDMA_SLAVE_MMCIF_TX,
SHDMA_SLAVE_USB0_TX,
SHDMA_SLAVE_USB0_RX,
SHDMA_SLAVE_USB1_TX,
SHDMA_SLAVE_USB1_RX,
};
extern struct clk sh7372_extal1_clk;
......
......@@ -602,6 +602,150 @@ static struct platform_device dma2_device = {
},
};
/*
* USB-DMAC
*/
unsigned int usbts_shift[] = {3, 4, 5};
enum {
XMIT_SZ_8BYTE = 0,
XMIT_SZ_16BYTE = 1,
XMIT_SZ_32BYTE = 2,
};
#define USBTS_INDEX2VAL(i) (((i) & 3) << 6)
static const struct sh_dmae_channel sh7372_usb_dmae_channels[] = {
{
.offset = 0,
}, {
.offset = 0x20,
},
};
/* USB DMAC0 */
static const struct sh_dmae_slave_config sh7372_usb_dmae0_slaves[] = {
{
.slave_id = SHDMA_SLAVE_USB0_TX,
.chcr = USBTS_INDEX2VAL(XMIT_SZ_8BYTE),
}, {
.slave_id = SHDMA_SLAVE_USB0_RX,
.chcr = USBTS_INDEX2VAL(XMIT_SZ_8BYTE),
},
};
static struct sh_dmae_pdata usb_dma0_platform_data = {
.slave = sh7372_usb_dmae0_slaves,
.slave_num = ARRAY_SIZE(sh7372_usb_dmae0_slaves),
.channel = sh7372_usb_dmae_channels,
.channel_num = ARRAY_SIZE(sh7372_usb_dmae_channels),
.ts_low_shift = 6,
.ts_low_mask = 0xc0,
.ts_high_shift = 0,
.ts_high_mask = 0,
.ts_shift = usbts_shift,
.ts_shift_num = ARRAY_SIZE(usbts_shift),
.dmaor_init = DMAOR_DME,
.chcr_offset = 0x14,
.chcr_ie_bit = 1 << 5,
.dmaor_is_32bit = 1,
.needs_tend_set = 1,
.no_dmars = 1,
};
static struct resource sh7372_usb_dmae0_resources[] = {
{
/* Channel registers and DMAOR */
.start = 0xe68a0020,
.end = 0xe68a0064 - 1,
.flags = IORESOURCE_MEM,
},
{
/* VCR/SWR/DMICR */
.start = 0xe68a0000,
.end = 0xe68a0014 - 1,
.flags = IORESOURCE_MEM,
},
{
/* IRQ for channels */
.start = evt2irq(0x0a00),
.end = evt2irq(0x0a00),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device usb_dma0_device = {
.name = "sh-dma-engine",
.id = 3,
.resource = sh7372_usb_dmae0_resources,
.num_resources = ARRAY_SIZE(sh7372_usb_dmae0_resources),
.dev = {
.platform_data = &usb_dma0_platform_data,
},
};
/* USB DMAC1 */
static const struct sh_dmae_slave_config sh7372_usb_dmae1_slaves[] = {
{
.slave_id = SHDMA_SLAVE_USB1_TX,
.chcr = USBTS_INDEX2VAL(XMIT_SZ_8BYTE),
}, {
.slave_id = SHDMA_SLAVE_USB1_RX,
.chcr = USBTS_INDEX2VAL(XMIT_SZ_8BYTE),
},
};
static struct sh_dmae_pdata usb_dma1_platform_data = {
.slave = sh7372_usb_dmae1_slaves,
.slave_num = ARRAY_SIZE(sh7372_usb_dmae1_slaves),
.channel = sh7372_usb_dmae_channels,
.channel_num = ARRAY_SIZE(sh7372_usb_dmae_channels),
.ts_low_shift = 6,
.ts_low_mask = 0xc0,
.ts_high_shift = 0,
.ts_high_mask = 0,
.ts_shift = usbts_shift,
.ts_shift_num = ARRAY_SIZE(usbts_shift),
.dmaor_init = DMAOR_DME,
.chcr_offset = 0x14,
.chcr_ie_bit = 1 << 5,
.dmaor_is_32bit = 1,
.needs_tend_set = 1,
.no_dmars = 1,
};
static struct resource sh7372_usb_dmae1_resources[] = {
{
/* Channel registers and DMAOR */
.start = 0xe68c0020,
.end = 0xe68c0064 - 1,
.flags = IORESOURCE_MEM,
},
{
/* VCR/SWR/DMICR */
.start = 0xe68c0000,
.end = 0xe68c0014 - 1,
.flags = IORESOURCE_MEM,
},
{
/* IRQ for channels */
.start = evt2irq(0x1d00),
.end = evt2irq(0x1d00),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device usb_dma1_device = {
.name = "sh-dma-engine",
.id = 4,
.resource = sh7372_usb_dmae1_resources,
.num_resources = ARRAY_SIZE(sh7372_usb_dmae1_resources),
.dev = {
.platform_data = &usb_dma1_platform_data,
},
};
/* VPU */
static struct uio_info vpu_platform_data = {
.name = "VPU5HG",
......@@ -829,6 +973,8 @@ static struct platform_device *sh7372_late_devices[] __initdata = {
&dma0_device,
&dma1_device,
&dma2_device,
&usb_dma0_device,
&usb_dma1_device,
&vpu_device,
&veu0_device,
&veu1_device,
......
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