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-rw-r--r--arch/sh/boards/mach-highlander/setup.c7
-rw-r--r--arch/sh/boards/mach-x3proto/setup.c7
-rw-r--r--arch/sh/kernel/cpu/sh4a/setup-sh7722.c8
-rw-r--r--drivers/usb/gadget/Kconfig10
-rw-r--r--drivers/usb/gadget/m66592-udc.c252
-rw-r--r--drivers/usb/gadget/m66592-udc.h89
-rw-r--r--include/linux/usb/m66592.h44
7 files changed, 257 insertions, 160 deletions
diff --git a/arch/sh/boards/mach-highlander/setup.c b/arch/sh/boards/mach-highlander/setup.c
index 1639f8915000..566e69d8d729 100644
--- a/arch/sh/boards/mach-highlander/setup.c
+++ b/arch/sh/boards/mach-highlander/setup.c
@@ -22,6 +22,7 @@
#include <linux/irq.h>
#include <linux/interrupt.h>
#include <linux/usb/r8a66597.h>
+#include <linux/usb/m66592.h>
#include <net/ax88796.h>
#include <asm/machvec.h>
#include <mach/highlander.h>
@@ -60,6 +61,11 @@ static struct platform_device r8a66597_usb_host_device = {
.resource = r8a66597_usb_host_resources,
};
+static struct m66592_platdata usbf_platdata = {
+ .xtal = M66592_PLATDATA_XTAL_24MHZ,
+ .vif = 1,
+};
+
static struct resource m66592_usb_peripheral_resources[] = {
[0] = {
.name = "m66592_udc",
@@ -81,6 +87,7 @@ static struct platform_device m66592_usb_peripheral_device = {
.dev = {
.dma_mask = NULL, /* don't use dma */
.coherent_dma_mask = 0xffffffff,
+ .platform_data = &usbf_platdata,
},
.num_resources = ARRAY_SIZE(m66592_usb_peripheral_resources),
.resource = m66592_usb_peripheral_resources,
diff --git a/arch/sh/boards/mach-x3proto/setup.c b/arch/sh/boards/mach-x3proto/setup.c
index 8913ae39a802..efe4cb9f8a77 100644
--- a/arch/sh/boards/mach-x3proto/setup.c
+++ b/arch/sh/boards/mach-x3proto/setup.c
@@ -17,6 +17,7 @@
#include <linux/irq.h>
#include <linux/interrupt.h>
#include <linux/usb/r8a66597.h>
+#include <linux/usb/m66592.h>
#include <asm/ilsel.h>
static struct resource heartbeat_resources[] = {
@@ -89,6 +90,11 @@ static struct platform_device r8a66597_usb_host_device = {
.resource = r8a66597_usb_host_resources,
};
+static struct m66592_platdata usbf_platdata = {
+ .xtal = M66592_PLATDATA_XTAL_24MHZ,
+ .vif = 1,
+};
+
static struct resource m66592_usb_peripheral_resources[] = {
[0] = {
.name = "m66592_udc",
@@ -109,6 +115,7 @@ static struct platform_device m66592_usb_peripheral_device = {
.dev = {
.dma_mask = NULL, /* don't use dma */
.coherent_dma_mask = 0xffffffff,
+ .platform_data = &usbf_platdata,
},
.num_resources = ARRAY_SIZE(m66592_usb_peripheral_resources),
.resource = m66592_usb_peripheral_resources,
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
index ea524a2da3e4..0bad14a44238 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
@@ -13,6 +13,7 @@
#include <linux/serial_sci.h>
#include <linux/mm.h>
#include <linux/uio_driver.h>
+#include <linux/usb/m66592.h>
#include <linux/sh_timer.h>
#include <asm/clock.h>
#include <asm/mmzone.h>
@@ -47,9 +48,13 @@ static struct platform_device rtc_device = {
.resource = rtc_resources,
};
+static struct m66592_platdata usbf_platdata = {
+ .on_chip = 1,
+};
+
static struct resource usbf_resources[] = {
[0] = {
- .name = "m66592_udc",
+ .name = "USBF",
.start = 0x04480000,
.end = 0x044800FF,
.flags = IORESOURCE_MEM,
@@ -67,6 +72,7 @@ static struct platform_device usbf_device = {
.dev = {
.dma_mask = NULL,
.coherent_dma_mask = 0xffffffff,
+ .platform_data = &usbf_platdata,
},
.num_resources = ARRAY_SIZE(usbf_resources),
.resource = usbf_resources,
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index 7f8e83a954ac..b7f10bc25c2c 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -360,16 +360,6 @@ config USB_M66592
default USB_GADGET
select USB_GADGET_SELECTED
-config SUPERH_BUILT_IN_M66592
- boolean "Enable SuperH built-in USB like the M66592"
- depends on USB_GADGET_M66592 && CPU_SUBTYPE_SH7722
- help
- SH7722 has USB like the M66592.
-
- The transfer rate is very slow when use "Ethernet Gadget".
- However, this problem is improved if change a value of
- NET_IP_ALIGN to 4.
-
#
# Controllers available only in discrete form (and all PCI controllers)
#
diff --git a/drivers/usb/gadget/m66592-udc.c b/drivers/usb/gadget/m66592-udc.c
index 0dddd2f8ff35..a61c70caff12 100644
--- a/drivers/usb/gadget/m66592-udc.c
+++ b/drivers/usb/gadget/m66592-udc.c
@@ -31,38 +31,12 @@
#include "m66592-udc.h"
-
MODULE_DESCRIPTION("M66592 USB gadget driver");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Yoshihiro Shimoda");
MODULE_ALIAS("platform:m66592_udc");
-#define DRIVER_VERSION "26 Jun 2009"
-
-/* module parameters */
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592)
-static unsigned short endian = M66592_LITTLE;
-module_param(endian, ushort, 0644);
-MODULE_PARM_DESC(endian, "data endian: big=0, little=0 (default=0)");
-#else
-static unsigned short clock = M66592_XTAL24;
-module_param(clock, ushort, 0644);
-MODULE_PARM_DESC(clock, "input clock: 48MHz=32768, 24MHz=16384, 12MHz=0 "
- "(default=16384)");
-
-static unsigned short vif = M66592_LDRV;
-module_param(vif, ushort, 0644);
-MODULE_PARM_DESC(vif, "input VIF: 3.3V=32768, 1.5V=0 (default=32768)");
-
-static unsigned short endian;
-module_param(endian, ushort, 0644);
-MODULE_PARM_DESC(endian, "data endian: big=256, little=0 (default=0)");
-
-static unsigned short irq_sense = M66592_INTL;
-module_param(irq_sense, ushort, 0644);
-MODULE_PARM_DESC(irq_sense, "IRQ sense: low level=2, falling edge=0 "
- "(default=2)");
-#endif
+#define DRIVER_VERSION "21 July 2009"
static const char udc_name[] = "m66592_udc";
static const char *m66592_ep_name[] = {
@@ -244,6 +218,7 @@ static inline int get_buffer_size(struct m66592 *m66592, u16 pipenum)
static inline void pipe_change(struct m66592 *m66592, u16 pipenum)
{
struct m66592_ep *ep = m66592->pipenum2ep[pipenum];
+ unsigned short mbw;
if (ep->use_dma)
return;
@@ -252,7 +227,12 @@ static inline void pipe_change(struct m66592 *m66592, u16 pipenum)
ndelay(450);
- m66592_bset(m66592, M66592_MBW, ep->fifosel);
+ if (m66592->pdata->on_chip)
+ mbw = M66592_MBW_32;
+ else
+ mbw = M66592_MBW_16;
+
+ m66592_bset(m66592, mbw, ep->fifosel);
}
static int pipe_buffer_setting(struct m66592 *m66592,
@@ -332,6 +312,7 @@ static void pipe_buffer_release(struct m66592 *m66592,
static void pipe_initialize(struct m66592_ep *ep)
{
struct m66592 *m66592 = ep->m66592;
+ unsigned short mbw;
m66592_mdfy(m66592, 0, M66592_CURPIPE, ep->fifosel);
@@ -343,7 +324,12 @@ static void pipe_initialize(struct m66592_ep *ep)
ndelay(450);
- m66592_bset(m66592, M66592_MBW, ep->fifosel);
+ if (m66592->pdata->on_chip)
+ mbw = M66592_MBW_32;
+ else
+ mbw = M66592_MBW_16;
+
+ m66592_bset(m66592, mbw, ep->fifosel);
}
}
@@ -359,15 +345,13 @@ static void m66592_ep_setting(struct m66592 *m66592, struct m66592_ep *ep,
ep->fifosel = M66592_D0FIFOSEL;
ep->fifoctr = M66592_D0FIFOCTR;
ep->fifotrn = M66592_D0FIFOTRN;
-#if !defined(CONFIG_SUPERH_BUILT_IN_M66592)
- } else if (m66592->num_dma == 1) {
+ } else if (!m66592->pdata->on_chip && m66592->num_dma == 1) {
m66592->num_dma++;
ep->use_dma = 1;
ep->fifoaddr = M66592_D1FIFO;
ep->fifosel = M66592_D1FIFOSEL;
ep->fifoctr = M66592_D1FIFOCTR;
ep->fifotrn = M66592_D1FIFOTRN;
-#endif
} else {
ep->use_dma = 0;
ep->fifoaddr = M66592_CFIFO;
@@ -612,76 +596,120 @@ static void start_ep0(struct m66592_ep *ep, struct m66592_request *req)
}
}
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592)
static void init_controller(struct m66592 *m66592)
{
- m66592_bset(m66592, M66592_HSE, M66592_SYSCFG); /* High spd */
- m66592_bclr(m66592, M66592_USBE, M66592_SYSCFG);
- m66592_bclr(m66592, M66592_DPRPU, M66592_SYSCFG);
- m66592_bset(m66592, M66592_USBE, M66592_SYSCFG);
+ unsigned int endian;
- /* This is a workaound for SH7722 2nd cut */
- m66592_bset(m66592, 0x8000, M66592_DVSTCTR);
- m66592_bset(m66592, 0x1000, M66592_TESTMODE);
- m66592_bclr(m66592, 0x8000, M66592_DVSTCTR);
+ if (m66592->pdata->on_chip) {
+ if (m66592->pdata->endian)
+ endian = 0; /* big endian */
+ else
+ endian = M66592_LITTLE; /* little endian */
- m66592_bset(m66592, M66592_INTL, M66592_INTENB1);
+ m66592_bset(m66592, M66592_HSE, M66592_SYSCFG); /* High spd */
+ m66592_bclr(m66592, M66592_USBE, M66592_SYSCFG);
+ m66592_bclr(m66592, M66592_DPRPU, M66592_SYSCFG);
+ m66592_bset(m66592, M66592_USBE, M66592_SYSCFG);
- m66592_write(m66592, 0, M66592_CFBCFG);
- m66592_write(m66592, 0, M66592_D0FBCFG);
- m66592_bset(m66592, endian, M66592_CFBCFG);
- m66592_bset(m66592, endian, M66592_D0FBCFG);
-}
-#else /* #if defined(CONFIG_SUPERH_BUILT_IN_M66592) */
-static void init_controller(struct m66592 *m66592)
-{
- m66592_bset(m66592, (vif & M66592_LDRV) | (endian & M66592_BIGEND),
- M66592_PINCFG);
- m66592_bset(m66592, M66592_HSE, M66592_SYSCFG); /* High spd */
- m66592_mdfy(m66592, clock & M66592_XTAL, M66592_XTAL, M66592_SYSCFG);
+ /* This is a workaound for SH7722 2nd cut */
+ m66592_bset(m66592, 0x8000, M66592_DVSTCTR);
+ m66592_bset(m66592, 0x1000, M66592_TESTMODE);
+ m66592_bclr(m66592, 0x8000, M66592_DVSTCTR);
- m66592_bclr(m66592, M66592_USBE, M66592_SYSCFG);
- m66592_bclr(m66592, M66592_DPRPU, M66592_SYSCFG);
- m66592_bset(m66592, M66592_USBE, M66592_SYSCFG);
+ m66592_bset(m66592, M66592_INTL, M66592_INTENB1);
+
+ m66592_write(m66592, 0, M66592_CFBCFG);
+ m66592_write(m66592, 0, M66592_D0FBCFG);
+ m66592_bset(m66592, endian, M66592_CFBCFG);
+ m66592_bset(m66592, endian, M66592_D0FBCFG);
+ } else {
+ unsigned int clock, vif, irq_sense;
+
+ if (m66592->pdata->endian)
+ endian = M66592_BIGEND; /* big endian */
+ else
+ endian = 0; /* little endian */
+
+ if (m66592->pdata->vif)
+ vif = M66592_LDRV; /* 3.3v */
+ else
+ vif = 0; /* 1.5v */
+
+ switch (m66592->pdata->xtal) {
+ case M66592_PLATDATA_XTAL_12MHZ:
+ clock = M66592_XTAL12;
+ break;
+ case M66592_PLATDATA_XTAL_24MHZ:
+ clock = M66592_XTAL24;
+ break;
+ case M66592_PLATDATA_XTAL_48MHZ:
+ clock = M66592_XTAL48;
+ break;
+ default:
+ pr_warning("m66592-udc: xtal configuration error\n");
+ clock = 0;
+ }
- m66592_bset(m66592, M66592_XCKE, M66592_SYSCFG);
+ switch (m66592->irq_trigger) {
+ case IRQF_TRIGGER_LOW:
+ irq_sense = M66592_INTL;
+ break;
+ case IRQF_TRIGGER_FALLING:
+ irq_sense = 0;
+ break;
+ default:
+ pr_warning("m66592-udc: irq trigger config error\n");
+ irq_sense = 0;
+ }
- msleep(3);
+ m66592_bset(m66592,
+ (vif & M66592_LDRV) | (endian & M66592_BIGEND),
+ M66592_PINCFG);
+ m66592_bset(m66592, M66592_HSE, M66592_SYSCFG); /* High spd */
+ m66592_mdfy(m66592, clock & M66592_XTAL, M66592_XTAL,
+ M66592_SYSCFG);
+ m66592_bclr(m66592, M66592_USBE, M66592_SYSCFG);
+ m66592_bclr(m66592, M66592_DPRPU, M66592_SYSCFG);
+ m66592_bset(m66592, M66592_USBE, M66592_SYSCFG);
- m66592_bset(m66592, M66592_RCKE | M66592_PLLC, M66592_SYSCFG);
+ m66592_bset(m66592, M66592_XCKE, M66592_SYSCFG);
+
+ msleep(3);
- msleep(1);
+ m66592_bset(m66592, M66592_RCKE | M66592_PLLC, M66592_SYSCFG);
- m66592_bset(m66592, M66592_SCKE, M66592_SYSCFG);
+ msleep(1);
- m66592_bset(m66592, irq_sense & M66592_INTL, M66592_INTENB1);
- m66592_write(m66592, M66592_BURST | M66592_CPU_ADR_RD_WR,
- M66592_DMA0CFG);
+ m66592_bset(m66592, M66592_SCKE, M66592_SYSCFG);
+
+ m66592_bset(m66592, irq_sense & M66592_INTL, M66592_INTENB1);
+ m66592_write(m66592, M66592_BURST | M66592_CPU_ADR_RD_WR,
+ M66592_DMA0CFG);
+ }
}
-#endif /* #if defined(CONFIG_SUPERH_BUILT_IN_M66592) */
static void disable_controller(struct m66592 *m66592)
{
-#if !defined(CONFIG_SUPERH_BUILT_IN_M66592)
- m66592_bclr(m66592, M66592_SCKE, M66592_SYSCFG);
- udelay(1);
- m66592_bclr(m66592, M66592_PLLC, M66592_SYSCFG);
- udelay(1);
- m66592_bclr(m66592, M66592_RCKE, M66592_SYSCFG);
- udelay(1);
- m66592_bclr(m66592, M66592_XCKE, M66592_SYSCFG);
-#endif
+ if (!m66592->pdata->on_chip) {
+ m66592_bclr(m66592, M66592_SCKE, M66592_SYSCFG);
+ udelay(1);
+ m66592_bclr(m66592, M66592_PLLC, M66592_SYSCFG);
+ udelay(1);
+ m66592_bclr(m66592, M66592_RCKE, M66592_SYSCFG);
+ udelay(1);
+ m66592_bclr(m66592, M66592_XCKE, M66592_SYSCFG);
+ }
}
static void m66592_start_xclock(struct m66592 *m66592)
{
-#if !defined(CONFIG_SUPERH_BUILT_IN_M66592)
u16 tmp;
- tmp = m66592_read(m66592, M66592_SYSCFG);
- if (!(tmp & M66592_XCKE))
- m66592_bset(m66592, M66592_XCKE, M66592_SYSCFG);
-#endif
+ if (!m66592->pdata->on_chip) {
+ tmp = m66592_read(m66592, M66592_SYSCFG);
+ if (!(tmp & M66592_XCKE))
+ m66592_bset(m66592, M66592_XCKE, M66592_SYSCFG);
+ }
}
/*-------------------------------------------------------------------------*/
@@ -1169,8 +1197,7 @@ static irqreturn_t m66592_irq(int irq, void *_m66592)
intsts0 = m66592_read(m66592, M66592_INTSTS0);
intenb0 = m66592_read(m66592, M66592_INTENB0);
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592)
- if (!intsts0 && !intenb0) {
+ if (m66592->pdata->on_chip && !intsts0 && !intenb0) {
/*
* When USB clock stops, it cannot read register. Even if a
* clock stops, the interrupt occurs. So this driver turn on
@@ -1180,7 +1207,6 @@ static irqreturn_t m66592_irq(int irq, void *_m66592)
intsts0 = m66592_read(m66592, M66592_INTSTS0);
intenb0 = m66592_read(m66592, M66592_INTENB0);
}
-#endif
savepipe = m66592_read(m66592, M66592_CFIFOSEL);
@@ -1526,9 +1552,11 @@ static int __exit m66592_remove(struct platform_device *pdev)
iounmap(m66592->reg);
free_irq(platform_get_irq(pdev, 0), m66592);
m66592_free_request(&m66592->ep[0].ep, m66592->ep0_req);
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592) && defined(CONFIG_HAVE_CLK)
- clk_disable(m66592->clk);
- clk_put(m66592->clk);
+#ifdef CONFIG_HAVE_CLK
+ if (m66592->pdata->on_chip) {
+ clk_disable(m66592->clk);
+ clk_put(m66592->clk);
+ }
#endif
kfree(m66592);
return 0;
@@ -1540,11 +1568,10 @@ static void nop_completion(struct usb_ep *ep, struct usb_request *r)
static int __init m66592_probe(struct platform_device *pdev)
{
- struct resource *res;
- int irq;
+ struct resource *res, *ires;
void __iomem *reg = NULL;
struct m66592 *m66592 = NULL;
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592) && defined(CONFIG_HAVE_CLK)
+#ifdef CONFIG_HAVE_CLK
char clk_name[8];
#endif
int ret = 0;
@@ -1557,10 +1584,11 @@ static int __init m66592_probe(struct platform_device *pdev)
goto clean_up;
}
- irq = platform_get_irq(pdev, 0);
- if (irq < 0) {
+ ires = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+ if (!ires) {
ret = -ENODEV;
- pr_err("platform_get_irq error.\n");
+ dev_err(&pdev->dev,
+ "platform_get_resource IORESOURCE_IRQ error.\n");
goto clean_up;
}
@@ -1571,6 +1599,12 @@ static int __init m66592_probe(struct platform_device *pdev)
goto clean_up;
}
+ if (pdev->dev.platform_data == NULL) {
+ dev_err(&pdev->dev, "no platform data\n");
+ ret = -ENODEV;
+ goto clean_up;
+ }
+
/* initialize ucd */
m66592 = kzalloc(sizeof(struct m66592), GFP_KERNEL);
if (m66592 == NULL) {
@@ -1578,6 +1612,9 @@ static int __init m66592_probe(struct platform_device *pdev)
goto clean_up;
}
+ m66592->pdata = pdev->dev.platform_data;
+ m66592->irq_trigger = ires->flags & IRQF_TRIGGER_MASK;
+
spin_lock_init(&m66592->lock);
dev_set_drvdata(&pdev->dev, m66592);
@@ -1595,22 +1632,25 @@ static int __init m66592_probe(struct platform_device *pdev)
m66592->timer.data = (unsigned long)m66592;
m66592->reg = reg;
- ret = request_irq(irq, m66592_irq, IRQF_DISABLED | IRQF_SHARED,
+ ret = request_irq(ires->start, m66592_irq, IRQF_DISABLED | IRQF_SHARED,
udc_name, m66592);
if (ret < 0) {
pr_err("request_irq error (%d)\n", ret);
goto clean_up;
}
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592) && defined(CONFIG_HAVE_CLK)
- snprintf(clk_name, sizeof(clk_name), "usbf%d", pdev->id);
- m66592->clk = clk_get(&pdev->dev, clk_name);
- if (IS_ERR(m66592->clk)) {
- dev_err(&pdev->dev, "cannot get clock \"%s\"\n", clk_name);
- ret = PTR_ERR(m66592->clk);
- goto clean_up2;
+#ifdef CONFIG_HAVE_CLK
+ if (m66592->pdata->on_chip) {
+ snprintf(clk_name, sizeof(clk_name), "usbf%d", pdev->id);
+ m66592->clk = clk_get(&pdev->dev, clk_name);
+ if (IS_ERR(m66592->clk)) {
+ dev_err(&pdev->dev, "cannot get clock \"%s\"\n",
+ clk_name);
+ ret = PTR_ERR(m66592->clk);
+ goto clean_up2;
+ }
+ clk_enable(m66592->clk);
}
- clk_enable(m66592->clk);
#endif
INIT_LIST_HEAD(&m66592->gadget.ep_list);
m66592->gadget.ep0 = &m66592->ep[0].ep;
@@ -1652,12 +1692,14 @@ static int __init m66592_probe(struct platform_device *pdev)
return 0;
clean_up3:
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592) && defined(CONFIG_HAVE_CLK)
- clk_disable(m66592->clk);
- clk_put(m66592->clk);
+#ifdef CONFIG_HAVE_CLK
+ if (m66592->pdata->on_chip) {
+ clk_disable(m66592->clk);
+ clk_put(m66592->clk);
+ }
clean_up2:
#endif
- free_irq(irq, m66592);
+ free_irq(ires->start, m66592);
clean_up:
if (m66592) {
if (m66592->ep0_req)
diff --git a/drivers/usb/gadget/m66592-udc.h b/drivers/usb/gadget/m66592-udc.h
index 9a9c2bf9fbd5..8b960deed680 100644
--- a/drivers/usb/gadget/m66592-udc.h
+++ b/drivers/usb/gadget/m66592-udc.h
@@ -23,10 +23,12 @@
#ifndef __M66592_UDC_H__
#define __M66592_UDC_H__
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592) && defined(CONFIG_HAVE_CLK)
+#ifdef CONFIG_HAVE_CLK
#include <linux/clk.h>
#endif
+#include <linux/usb/m66592.h>
+
#define M66592_SYSCFG 0x00
#define M66592_XTAL 0xC000 /* b15-14: Crystal selection */
#define M66592_XTAL48 0x8000 /* 48MHz */
@@ -76,11 +78,11 @@
#define M66592_P_TST_J 0x0001 /* PERI TEST J */
#define M66592_P_TST_NORMAL 0x0000 /* PERI Normal Mode */
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592)
+/* built-in registers */
#define M66592_CFBCFG 0x0A
#define M66592_D0FBCFG 0x0C
#define M66592_LITTLE 0x0100 /* b8: Little endian mode */
-#else
+/* external chip case */
#define M66592_PINCFG 0x0A
#define M66592_LDRV 0x8000 /* b15: Drive Current Adjust */
#define M66592_BIGEND 0x0100 /* b8: Big endian mode */
@@ -100,8 +102,8 @@
#define M66592_PKTM 0x0020 /* b5: Packet mode */
#define M66592_DENDE 0x0010 /* b4: Dend enable */
#define M66592_OBUS 0x0004 /* b2: OUTbus mode */
-#endif /* #if defined(CONFIG_SUPERH_BUILT_IN_M66592) */
+/* common case */
#define M66592_CFIFO 0x10
#define M66592_D0FIFO 0x14
#define M66592_D1FIFO 0x18
@@ -113,13 +115,9 @@
#define M66592_REW 0x4000 /* b14: Buffer rewind */
#define M66592_DCLRM 0x2000 /* b13: DMA buffer clear mode */
#define M66592_DREQE 0x1000 /* b12: DREQ output enable */
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592)
-#define M66592_MBW 0x0800 /* b11: Maximum bit width for FIFO */
-#else
-#define M66592_MBW 0x0400 /* b10: Maximum bit width for FIFO */
-#define M66592_MBW_8 0x0000 /* 8bit */
-#define M66592_MBW_16 0x0400 /* 16bit */
-#endif /* #if defined(CONFIG_SUPERH_BUILT_IN_M66592) */
+#define M66592_MBW_8 0x0000 /* 8bit */
+#define M66592_MBW_16 0x0400 /* 16bit */
+#define M66592_MBW_32 0x0800 /* 32bit */
#define M66592_TRENB 0x0200 /* b9: Transaction counter enable */
#define M66592_TRCLR 0x0100 /* b8: Transaction counter clear */
#define M66592_DEZPM 0x0080 /* b7: Zero-length packet mode */
@@ -480,9 +478,11 @@ struct m66592_ep {
struct m66592 {
spinlock_t lock;
void __iomem *reg;
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592) && defined(CONFIG_HAVE_CLK)
+#ifdef CONFIG_HAVE_CLK
struct clk *clk;
#endif
+ struct m66592_platdata *pdata;
+ unsigned long irq_trigger;
struct usb_gadget gadget;
struct usb_gadget_driver *driver;
@@ -546,13 +546,13 @@ static inline void m66592_read_fifo(struct m66592 *m66592,
{
unsigned long fifoaddr = (unsigned long)m66592->reg + offset;
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592)
- len = (len + 3) / 4;
- insl(fifoaddr, buf, len);
-#else
- len = (len + 1) / 2;
- insw(fifoaddr, buf, len);
-#endif
+ if (m66592->pdata->on_chip) {
+ len = (len + 3) / 4;
+ insl(fifoaddr, buf, len);
+ } else {
+ len = (len + 1) / 2;
+ insw(fifoaddr, buf, len);
+ }
}
static inline void m66592_write(struct m66592 *m66592, u16 val,
@@ -566,33 +566,34 @@ static inline void m66592_write_fifo(struct m66592 *m66592,
void *buf, unsigned long len)
{
unsigned long fifoaddr = (unsigned long)m66592->reg + offset;
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592)
- unsigned long count;
- unsigned char *pb;
- int i;
-
- count = len / 4;
- outsl(fifoaddr, buf, count);
-
- if (len & 0x00000003) {
- pb = buf + count * 4;
- for (i = 0; i < (len & 0x00000003); i++) {
- if (m66592_read(m66592, M66592_CFBCFG)) /* little */
- outb(pb[i], fifoaddr + (3 - i));
- else
- outb(pb[i], fifoaddr + i);
+
+ if (m66592->pdata->on_chip) {
+ unsigned long count;
+ unsigned char *pb;
+ int i;
+
+ count = len / 4;
+ outsl(fifoaddr, buf, count);
+
+ if (len & 0x00000003) {
+ pb = buf + count * 4;
+ for (i = 0; i < (len & 0x00000003); i++) {
+ if (m66592_read(m66592, M66592_CFBCFG)) /* le */
+ outb(pb[i], fifoaddr + (3 - i));
+ else
+ outb(pb[i], fifoaddr + i);
+ }
+ }
+ } else {
+ unsigned long odd = len & 0x0001;
+
+ len = len / 2;
+ outsw(fifoaddr, buf, len);
+ if (odd) {
+ unsigned char *p = buf + len*2;
+ outb(*p, fifoaddr);
}
}
-#else
- unsigned long odd = len & 0x0001;
-
- len = len / 2;
- outsw(fifoaddr, buf, len);
- if (odd) {
- unsigned char *p = buf + len*2;
- outb(*p, fifoaddr);
- }
-#endif /* #if defined(CONFIG_SUPERH_BUILT_IN_M66592) */
}
static inline void m66592_mdfy(struct m66592 *m66592, u16 val, u16 pat,
diff --git a/include/linux/usb/m66592.h b/include/linux/usb/m66592.h
new file mode 100644
index 000000000000..cda9625e7df0
--- /dev/null
+++ b/include/linux/usb/m66592.h
@@ -0,0 +1,44 @@
+/*
+ * M66592 driver platform data
+ *
+ * Copyright (C) 2009 Renesas Solutions Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifndef __LINUX_USB_M66592_H
+#define __LINUX_USB_M66592_H
+
+#define M66592_PLATDATA_XTAL_12MHZ 0x01
+#define M66592_PLATDATA_XTAL_24MHZ 0x02
+#define M66592_PLATDATA_XTAL_48MHZ 0x03
+
+struct m66592_platdata {
+ /* one = on chip controller, zero = external controller */
+ unsigned on_chip:1;
+
+ /* one = big endian, zero = little endian */
+ unsigned endian:1;
+
+ /* (external controller only) M66592_PLATDATA_XTAL_nnMHZ */
+ unsigned xtal:2;
+
+ /* (external controller only) one = 3.3V, zero = 1.5V */
+ unsigned vif:1;
+
+};
+
+#endif /* __LINUX_USB_M66592_H */
+
generated by cgit (git 2.34.1) at 2024-05-30 15:30:34 +0000