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-rw-r--r--drivers/usb/host/Kconfig8
-rw-r--r--drivers/usb/host/ehci-atmel.c3
-rw-r--r--drivers/usb/host/ehci-dbg.c2
-rw-r--r--drivers/usb/host/ehci-hcd.c12
-rw-r--r--drivers/usb/host/ehci-mxc.c3
-rw-r--r--drivers/usb/host/ehci-omap.c310
-rw-r--r--drivers/usb/host/ehci-pci.c7
-rw-r--r--drivers/usb/host/ehci-spear.c212
-rw-r--r--drivers/usb/host/ehci-vt8500.c172
-rw-r--r--drivers/usb/host/ehci-w90x900.c3
-rw-r--r--drivers/usb/host/ehci-xilinx-of.c1
-rw-r--r--drivers/usb/host/ohci-hcd.c5
-rw-r--r--drivers/usb/host/ohci-spear.c240
-rw-r--r--drivers/usb/host/uhci-hcd.c2
14 files changed, 909 insertions, 71 deletions
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 2391c396ca32..6a7c688b4781 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -133,6 +133,14 @@ config USB_EHCI_MXC
---help---
Variation of ARC USB block used in some Freescale chips.
+config USB_EHCI_HCD_OMAP
+ bool "EHCI support for OMAP3 and later chips"
+ depends on USB_EHCI_HCD && ARCH_OMAP
+ default y
+ --- help ---
+ Enables support for the on-chip EHCI controller on
+ OMAP3 and later chips.
+
config USB_EHCI_HCD_PPC_OF
bool "EHCI support for PPC USB controller on OF platform bus"
depends on USB_EHCI_HCD && PPC_OF
diff --git a/drivers/usb/host/ehci-atmel.c b/drivers/usb/host/ehci-atmel.c
index 51bd0edf544f..d6a69d514a84 100644
--- a/drivers/usb/host/ehci-atmel.c
+++ b/drivers/usb/host/ehci-atmel.c
@@ -99,6 +99,7 @@ static const struct hc_driver ehci_atmel_hc_driver = {
.urb_enqueue = ehci_urb_enqueue,
.urb_dequeue = ehci_urb_dequeue,
.endpoint_disable = ehci_endpoint_disable,
+ .endpoint_reset = ehci_endpoint_reset,
/* scheduling support */
.get_frame_number = ehci_get_frame,
@@ -110,6 +111,8 @@ static const struct hc_driver ehci_atmel_hc_driver = {
.bus_resume = ehci_bus_resume,
.relinquish_port = ehci_relinquish_port,
.port_handed_over = ehci_port_handed_over,
+
+ .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
};
static int __init ehci_atmel_drv_probe(struct platform_device *pdev)
diff --git a/drivers/usb/host/ehci-dbg.c b/drivers/usb/host/ehci-dbg.c
index 86afdc73322f..a6bab7264c63 100644
--- a/drivers/usb/host/ehci-dbg.c
+++ b/drivers/usb/host/ehci-dbg.c
@@ -879,7 +879,7 @@ static int fill_buffer(struct debug_buffer *buf)
int ret = 0;
if (!buf->output_buf)
- buf->output_buf = (char *)vmalloc(buf->alloc_size);
+ buf->output_buf = vmalloc(buf->alloc_size);
if (!buf->output_buf) {
ret = -ENOMEM;
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 02ffbea0c8fa..abe8336ebffa 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -1176,7 +1176,7 @@ MODULE_LICENSE ("GPL");
#define PLATFORM_DRIVER ehci_hcd_au1xxx_driver
#endif
-#ifdef CONFIG_ARCH_OMAP3
+#ifdef CONFIG_USB_EHCI_HCD_OMAP
#include "ehci-omap.c"
#define PLATFORM_DRIVER ehci_hcd_omap_driver
#endif
@@ -1221,6 +1221,16 @@ MODULE_LICENSE ("GPL");
#define PLATFORM_DRIVER ehci_octeon_driver
#endif
+#ifdef CONFIG_ARCH_VT8500
+#include "ehci-vt8500.c"
+#define PLATFORM_DRIVER vt8500_ehci_driver
+#endif
+
+#ifdef CONFIG_PLAT_SPEAR
+#include "ehci-spear.c"
+#define PLATFORM_DRIVER spear_ehci_hcd_driver
+#endif
+
#if !defined(PCI_DRIVER) && !defined(PLATFORM_DRIVER) && \
!defined(PS3_SYSTEM_BUS_DRIVER) && !defined(OF_PLATFORM_DRIVER) && \
!defined(XILINX_OF_PLATFORM_DRIVER)
diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c
index ac9c4d7c44af..802fcf6f8839 100644
--- a/drivers/usb/host/ehci-mxc.c
+++ b/drivers/usb/host/ehci-mxc.c
@@ -92,6 +92,7 @@ static const struct hc_driver ehci_mxc_hc_driver = {
.urb_enqueue = ehci_urb_enqueue,
.urb_dequeue = ehci_urb_dequeue,
.endpoint_disable = ehci_endpoint_disable,
+ .endpoint_reset = ehci_endpoint_reset,
/*
* scheduling support
@@ -107,6 +108,8 @@ static const struct hc_driver ehci_mxc_hc_driver = {
.bus_resume = ehci_bus_resume,
.relinquish_port = ehci_relinquish_port,
.port_handed_over = ehci_port_handed_over,
+
+ .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
};
static int ehci_mxc_drv_probe(struct platform_device *pdev)
diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c
index 116ae280053a..0374eb47f09b 100644
--- a/drivers/usb/host/ehci-omap.c
+++ b/drivers/usb/host/ehci-omap.c
@@ -1,11 +1,12 @@
/*
- * ehci-omap.c - driver for USBHOST on OMAP 34xx processor
+ * ehci-omap.c - driver for USBHOST on OMAP3/4 processors
*
- * Bus Glue for OMAP34xx USBHOST 3 port EHCI controller
- * Tested on OMAP3430 ES2.0 SDP
+ * Bus Glue for the EHCI controllers in OMAP3/4
+ * Tested on several OMAP3 boards, and OMAP4 Pandaboard
*
- * Copyright (C) 2007-2008 Texas Instruments, Inc.
+ * Copyright (C) 2007-2010 Texas Instruments, Inc.
* Author: Vikram Pandita <vikram.pandita@ti.com>
+ * Author: Anand Gadiyar <gadiyar@ti.com>
*
* Copyright (C) 2009 Nokia Corporation
* Contact: Felipe Balbi <felipe.balbi@nokia.com>
@@ -26,11 +27,14 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
- * TODO (last updated Feb 12, 2010):
+ * TODO (last updated Nov 21, 2010):
* - add kernel-doc
* - enable AUTOIDLE
* - add suspend/resume
* - move workarounds to board-files
+ * - factor out code common to OHCI
+ * - add HSIC and TLL support
+ * - convert to use hwmod and runtime PM
*/
#include <linux/platform_device.h>
@@ -114,6 +118,23 @@
#define OMAP_UHH_HOSTCONFIG_P2_CONNECT_STATUS (1 << 9)
#define OMAP_UHH_HOSTCONFIG_P3_CONNECT_STATUS (1 << 10)
+/* OMAP4-specific defines */
+#define OMAP4_UHH_SYSCONFIG_IDLEMODE_CLEAR (3 << 2)
+#define OMAP4_UHH_SYSCONFIG_NOIDLE (1 << 2)
+
+#define OMAP4_UHH_SYSCONFIG_STDBYMODE_CLEAR (3 << 4)
+#define OMAP4_UHH_SYSCONFIG_NOSTDBY (1 << 4)
+#define OMAP4_UHH_SYSCONFIG_SOFTRESET (1 << 0)
+
+#define OMAP4_P1_MODE_CLEAR (3 << 16)
+#define OMAP4_P1_MODE_TLL (1 << 16)
+#define OMAP4_P1_MODE_HSIC (3 << 16)
+#define OMAP4_P2_MODE_CLEAR (3 << 18)
+#define OMAP4_P2_MODE_TLL (1 << 18)
+#define OMAP4_P2_MODE_HSIC (3 << 18)
+
+#define OMAP_REV2_TLL_CHANNEL_COUNT 2
+
#define OMAP_UHH_DEBUG_CSR (0x44)
/* EHCI Register Set */
@@ -127,6 +148,17 @@
#define EHCI_INSNREG05_ULPI_EXTREGADD_SHIFT 8
#define EHCI_INSNREG05_ULPI_WRDATA_SHIFT 0
+/* Values of UHH_REVISION - Note: these are not given in the TRM */
+#define OMAP_EHCI_REV1 0x00000010 /* OMAP3 */
+#define OMAP_EHCI_REV2 0x50700100 /* OMAP4 */
+
+#define is_omap_ehci_rev1(x) (x->omap_ehci_rev == OMAP_EHCI_REV1)
+#define is_omap_ehci_rev2(x) (x->omap_ehci_rev == OMAP_EHCI_REV2)
+
+#define is_ehci_phy_mode(x) (x == EHCI_HCD_OMAP_MODE_PHY)
+#define is_ehci_tll_mode(x) (x == EHCI_HCD_OMAP_MODE_TLL)
+#define is_ehci_hsic_mode(x) (x == EHCI_HCD_OMAP_MODE_HSIC)
+
/*-------------------------------------------------------------------------*/
static inline void ehci_omap_writel(void __iomem *base, u32 reg, u32 val)
@@ -156,10 +188,14 @@ struct ehci_hcd_omap {
struct device *dev;
struct clk *usbhost_ick;
- struct clk *usbhost2_120m_fck;
- struct clk *usbhost1_48m_fck;
+ struct clk *usbhost_hs_fck;
+ struct clk *usbhost_fs_fck;
struct clk *usbtll_fck;
struct clk *usbtll_ick;
+ struct clk *xclk60mhsp1_ck;
+ struct clk *xclk60mhsp2_ck;
+ struct clk *utmi_p1_fck;
+ struct clk *utmi_p2_fck;
/* FIXME the following two workarounds are
* board specific not silicon-specific so these
@@ -176,6 +212,9 @@ struct ehci_hcd_omap {
/* phy reset workaround */
int phy_reset;
+ /* IP revision */
+ u32 omap_ehci_rev;
+
/* desired phy_mode: TLL, PHY */
enum ehci_hcd_omap_mode port_mode[OMAP3_HS_USB_PORTS];
@@ -191,13 +230,14 @@ struct ehci_hcd_omap {
/*-------------------------------------------------------------------------*/
-static void omap_usb_utmi_init(struct ehci_hcd_omap *omap, u8 tll_channel_mask)
+static void omap_usb_utmi_init(struct ehci_hcd_omap *omap, u8 tll_channel_mask,
+ u8 tll_channel_count)
{
unsigned reg;
int i;
/* Program the 3 TLL channels upfront */
- for (i = 0; i < OMAP_TLL_CHANNEL_COUNT; i++) {
+ for (i = 0; i < tll_channel_count; i++) {
reg = ehci_omap_readl(omap->tll_base, OMAP_TLL_CHANNEL_CONF(i));
/* Disable AutoIdle, BitStuffing and use SDR Mode */
@@ -217,7 +257,7 @@ static void omap_usb_utmi_init(struct ehci_hcd_omap *omap, u8 tll_channel_mask)
ehci_omap_writel(omap->tll_base, OMAP_TLL_SHARED_CONF, reg);
/* Enable channels now */
- for (i = 0; i < OMAP_TLL_CHANNEL_COUNT; i++) {
+ for (i = 0; i < tll_channel_count; i++) {
reg = ehci_omap_readl(omap->tll_base, OMAP_TLL_CHANNEL_CONF(i));
/* Enable only the reg that is needed */
@@ -286,19 +326,19 @@ static int omap_start_ehc(struct ehci_hcd_omap *omap, struct usb_hcd *hcd)
}
clk_enable(omap->usbhost_ick);
- omap->usbhost2_120m_fck = clk_get(omap->dev, "usbhost_120m_fck");
- if (IS_ERR(omap->usbhost2_120m_fck)) {
- ret = PTR_ERR(omap->usbhost2_120m_fck);
+ omap->usbhost_hs_fck = clk_get(omap->dev, "hs_fck");
+ if (IS_ERR(omap->usbhost_hs_fck)) {
+ ret = PTR_ERR(omap->usbhost_hs_fck);
goto err_host_120m_fck;
}
- clk_enable(omap->usbhost2_120m_fck);
+ clk_enable(omap->usbhost_hs_fck);
- omap->usbhost1_48m_fck = clk_get(omap->dev, "usbhost_48m_fck");
- if (IS_ERR(omap->usbhost1_48m_fck)) {
- ret = PTR_ERR(omap->usbhost1_48m_fck);
+ omap->usbhost_fs_fck = clk_get(omap->dev, "fs_fck");
+ if (IS_ERR(omap->usbhost_fs_fck)) {
+ ret = PTR_ERR(omap->usbhost_fs_fck);
goto err_host_48m_fck;
}
- clk_enable(omap->usbhost1_48m_fck);
+ clk_enable(omap->usbhost_fs_fck);
if (omap->phy_reset) {
/* Refer: ISSUE1 */
@@ -333,6 +373,80 @@ static int omap_start_ehc(struct ehci_hcd_omap *omap, struct usb_hcd *hcd)
}
clk_enable(omap->usbtll_ick);
+ omap->omap_ehci_rev = ehci_omap_readl(omap->uhh_base,
+ OMAP_UHH_REVISION);
+ dev_dbg(omap->dev, "OMAP UHH_REVISION 0x%x\n",
+ omap->omap_ehci_rev);
+
+ /*
+ * Enable per-port clocks as needed (newer controllers only).
+ * - External ULPI clock for PHY mode
+ * - Internal clocks for TLL and HSIC modes (TODO)
+ */
+ if (is_omap_ehci_rev2(omap)) {
+ switch (omap->port_mode[0]) {
+ case EHCI_HCD_OMAP_MODE_PHY:
+ omap->xclk60mhsp1_ck = clk_get(omap->dev,
+ "xclk60mhsp1_ck");
+ if (IS_ERR(omap->xclk60mhsp1_ck)) {
+ ret = PTR_ERR(omap->xclk60mhsp1_ck);
+ dev_err(omap->dev,
+ "Unable to get Port1 ULPI clock\n");
+ }
+
+ omap->utmi_p1_fck = clk_get(omap->dev,
+ "utmi_p1_gfclk");
+ if (IS_ERR(omap->utmi_p1_fck)) {
+ ret = PTR_ERR(omap->utmi_p1_fck);
+ dev_err(omap->dev,
+ "Unable to get utmi_p1_fck\n");
+ }
+
+ ret = clk_set_parent(omap->utmi_p1_fck,
+ omap->xclk60mhsp1_ck);
+ if (ret != 0) {
+ dev_err(omap->dev,
+ "Unable to set P1 f-clock\n");
+ }
+ break;
+ case EHCI_HCD_OMAP_MODE_TLL:
+ /* TODO */
+ default:
+ break;
+ }
+ switch (omap->port_mode[1]) {
+ case EHCI_HCD_OMAP_MODE_PHY:
+ omap->xclk60mhsp2_ck = clk_get(omap->dev,
+ "xclk60mhsp2_ck");
+ if (IS_ERR(omap->xclk60mhsp2_ck)) {
+ ret = PTR_ERR(omap->xclk60mhsp2_ck);
+ dev_err(omap->dev,
+ "Unable to get Port2 ULPI clock\n");
+ }
+
+ omap->utmi_p2_fck = clk_get(omap->dev,
+ "utmi_p2_gfclk");
+ if (IS_ERR(omap->utmi_p2_fck)) {
+ ret = PTR_ERR(omap->utmi_p2_fck);
+ dev_err(omap->dev,
+ "Unable to get utmi_p2_fck\n");
+ }
+
+ ret = clk_set_parent(omap->utmi_p2_fck,
+ omap->xclk60mhsp2_ck);
+ if (ret != 0) {
+ dev_err(omap->dev,
+ "Unable to set P2 f-clock\n");
+ }
+ break;
+ case EHCI_HCD_OMAP_MODE_TLL:
+ /* TODO */
+ default:
+ break;
+ }
+ }
+
+
/* perform TLL soft reset, and wait until reset is complete */
ehci_omap_writel(omap->tll_base, OMAP_USBTLL_SYSCONFIG,
OMAP_USBTLL_SYSCONFIG_SOFTRESET);
@@ -360,12 +474,20 @@ static int omap_start_ehc(struct ehci_hcd_omap *omap, struct usb_hcd *hcd)
/* Put UHH in NoIdle/NoStandby mode */
reg = ehci_omap_readl(omap->uhh_base, OMAP_UHH_SYSCONFIG);
- reg |= (OMAP_UHH_SYSCONFIG_ENAWAKEUP
- | OMAP_UHH_SYSCONFIG_SIDLEMODE
- | OMAP_UHH_SYSCONFIG_CACTIVITY
- | OMAP_UHH_SYSCONFIG_MIDLEMODE);
- reg &= ~OMAP_UHH_SYSCONFIG_AUTOIDLE;
+ if (is_omap_ehci_rev1(omap)) {
+ reg |= (OMAP_UHH_SYSCONFIG_ENAWAKEUP
+ | OMAP_UHH_SYSCONFIG_SIDLEMODE
+ | OMAP_UHH_SYSCONFIG_CACTIVITY
+ | OMAP_UHH_SYSCONFIG_MIDLEMODE);
+ reg &= ~OMAP_UHH_SYSCONFIG_AUTOIDLE;
+
+ } else if (is_omap_ehci_rev2(omap)) {
+ reg &= ~OMAP4_UHH_SYSCONFIG_IDLEMODE_CLEAR;
+ reg |= OMAP4_UHH_SYSCONFIG_NOIDLE;
+ reg &= ~OMAP4_UHH_SYSCONFIG_STDBYMODE_CLEAR;
+ reg |= OMAP4_UHH_SYSCONFIG_NOSTDBY;
+ }
ehci_omap_writel(omap->uhh_base, OMAP_UHH_SYSCONFIG, reg);
reg = ehci_omap_readl(omap->uhh_base, OMAP_UHH_HOSTCONFIG);
@@ -376,40 +498,56 @@ static int omap_start_ehc(struct ehci_hcd_omap *omap, struct usb_hcd *hcd)
| OMAP_UHH_HOSTCONFIG_INCR16_BURST_EN);
reg &= ~OMAP_UHH_HOSTCONFIG_INCRX_ALIGN_EN;
- if (omap->port_mode[0] == EHCI_HCD_OMAP_MODE_UNKNOWN)
- reg &= ~OMAP_UHH_HOSTCONFIG_P1_CONNECT_STATUS;
- if (omap->port_mode[1] == EHCI_HCD_OMAP_MODE_UNKNOWN)
- reg &= ~OMAP_UHH_HOSTCONFIG_P2_CONNECT_STATUS;
- if (omap->port_mode[2] == EHCI_HCD_OMAP_MODE_UNKNOWN)
- reg &= ~OMAP_UHH_HOSTCONFIG_P3_CONNECT_STATUS;
-
- /* Bypass the TLL module for PHY mode operation */
- if (cpu_is_omap3430() && (omap_rev() <= OMAP3430_REV_ES2_1)) {
- dev_dbg(omap->dev, "OMAP3 ES version <= ES2.1\n");
- if ((omap->port_mode[0] == EHCI_HCD_OMAP_MODE_PHY) ||
- (omap->port_mode[1] == EHCI_HCD_OMAP_MODE_PHY) ||
- (omap->port_mode[2] == EHCI_HCD_OMAP_MODE_PHY))
- reg &= ~OMAP_UHH_HOSTCONFIG_ULPI_BYPASS;
- else
- reg |= OMAP_UHH_HOSTCONFIG_ULPI_BYPASS;
- } else {
- dev_dbg(omap->dev, "OMAP3 ES version > ES2.1\n");
- if (omap->port_mode[0] == EHCI_HCD_OMAP_MODE_PHY)
- reg &= ~OMAP_UHH_HOSTCONFIG_ULPI_P1_BYPASS;
- else if (omap->port_mode[0] == EHCI_HCD_OMAP_MODE_TLL)
- reg |= OMAP_UHH_HOSTCONFIG_ULPI_P1_BYPASS;
-
- if (omap->port_mode[1] == EHCI_HCD_OMAP_MODE_PHY)
- reg &= ~OMAP_UHH_HOSTCONFIG_ULPI_P2_BYPASS;
- else if (omap->port_mode[1] == EHCI_HCD_OMAP_MODE_TLL)
- reg |= OMAP_UHH_HOSTCONFIG_ULPI_P2_BYPASS;
-
- if (omap->port_mode[2] == EHCI_HCD_OMAP_MODE_PHY)
- reg &= ~OMAP_UHH_HOSTCONFIG_ULPI_P3_BYPASS;
- else if (omap->port_mode[2] == EHCI_HCD_OMAP_MODE_TLL)
- reg |= OMAP_UHH_HOSTCONFIG_ULPI_P3_BYPASS;
+ if (is_omap_ehci_rev1(omap)) {
+ if (omap->port_mode[0] == EHCI_HCD_OMAP_MODE_UNKNOWN)
+ reg &= ~OMAP_UHH_HOSTCONFIG_P1_CONNECT_STATUS;
+ if (omap->port_mode[1] == EHCI_HCD_OMAP_MODE_UNKNOWN)
+ reg &= ~OMAP_UHH_HOSTCONFIG_P2_CONNECT_STATUS;
+ if (omap->port_mode[2] == EHCI_HCD_OMAP_MODE_UNKNOWN)
+ reg &= ~OMAP_UHH_HOSTCONFIG_P3_CONNECT_STATUS;
+
+ /* Bypass the TLL module for PHY mode operation */
+ if (cpu_is_omap3430() && (omap_rev() <= OMAP3430_REV_ES2_1)) {
+ dev_dbg(omap->dev, "OMAP3 ES version <= ES2.1\n");
+ if (is_ehci_phy_mode(omap->port_mode[0]) ||
+ is_ehci_phy_mode(omap->port_mode[1]) ||
+ is_ehci_phy_mode(omap->port_mode[2]))
+ reg &= ~OMAP_UHH_HOSTCONFIG_ULPI_BYPASS;
+ else
+ reg |= OMAP_UHH_HOSTCONFIG_ULPI_BYPASS;
+ } else {
+ dev_dbg(omap->dev, "OMAP3 ES version > ES2.1\n");
+ if (is_ehci_phy_mode(omap->port_mode[0]))
+ reg &= ~OMAP_UHH_HOSTCONFIG_ULPI_P1_BYPASS;
+ else if (is_ehci_tll_mode(omap->port_mode[0]))
+ reg |= OMAP_UHH_HOSTCONFIG_ULPI_P1_BYPASS;
+
+ if (is_ehci_phy_mode(omap->port_mode[1]))
+ reg &= ~OMAP_UHH_HOSTCONFIG_ULPI_P2_BYPASS;
+ else if (is_ehci_tll_mode(omap->port_mode[1]))
+ reg |= OMAP_UHH_HOSTCONFIG_ULPI_P2_BYPASS;
+
+ if (is_ehci_phy_mode(omap->port_mode[2]))
+ reg &= ~OMAP_UHH_HOSTCONFIG_ULPI_P3_BYPASS;
+ else if (is_ehci_tll_mode(omap->port_mode[2]))
+ reg |= OMAP_UHH_HOSTCONFIG_ULPI_P3_BYPASS;
+ }
+ } else if (is_omap_ehci_rev2(omap)) {
+ /* Clear port mode fields for PHY mode*/
+ reg &= ~OMAP4_P1_MODE_CLEAR;
+ reg &= ~OMAP4_P2_MODE_CLEAR;
+
+ if (is_ehci_tll_mode(omap->port_mode[0]))
+ reg |= OMAP4_P1_MODE_TLL;
+ else if (is_ehci_hsic_mode(omap->port_mode[0]))
+ reg |= OMAP4_P1_MODE_HSIC;
+ if (is_ehci_tll_mode(omap->port_mode[1]))
+ reg |= OMAP4_P2_MODE_TLL;
+ else if (is_ehci_hsic_mode(omap->port_mode[1]))
+ reg |= OMAP4_P2_MODE_HSIC;
}
+
ehci_omap_writel(omap->uhh_base, OMAP_UHH_HOSTCONFIG, reg);
dev_dbg(omap->dev, "UHH setup done, uhh_hostconfig=%x\n", reg);
@@ -438,7 +576,7 @@ static int omap_start_ehc(struct ehci_hcd_omap *omap, struct usb_hcd *hcd)
tll_ch_mask |= OMAP_TLL_CHANNEL_3_EN_MASK;
/* Enable UTMI mode for required TLL channels */
- omap_usb_utmi_init(omap, tll_ch_mask);
+ omap_usb_utmi_init(omap, tll_ch_mask, OMAP_TLL_CHANNEL_COUNT);
}
if (omap->phy_reset) {
@@ -464,6 +602,14 @@ static int omap_start_ehc(struct ehci_hcd_omap *omap, struct usb_hcd *hcd)
return 0;
err_sys_status:
+ clk_disable(omap->utmi_p2_fck);
+ clk_put(omap->utmi_p2_fck);
+ clk_disable(omap->xclk60mhsp2_ck);
+ clk_put(omap->xclk60mhsp2_ck);
+ clk_disable(omap->utmi_p1_fck);
+ clk_put(omap->utmi_p1_fck);
+ clk_disable(omap->xclk60mhsp1_ck);
+ clk_put(omap->xclk60mhsp1_ck);
clk_disable(omap->usbtll_ick);
clk_put(omap->usbtll_ick);
@@ -472,8 +618,8 @@ err_tll_ick:
clk_put(omap->usbtll_fck);
err_tll_fck:
- clk_disable(omap->usbhost1_48m_fck);
- clk_put(omap->usbhost1_48m_fck);
+ clk_disable(omap->usbhost_fs_fck);
+ clk_put(omap->usbhost_fs_fck);
if (omap->phy_reset) {
if (gpio_is_valid(omap->reset_gpio_port[0]))
@@ -484,8 +630,8 @@ err_tll_fck:
}
err_host_48m_fck:
- clk_disable(omap->usbhost2_120m_fck);
- clk_put(omap->usbhost2_120m_fck);
+ clk_disable(omap->usbhost_hs_fck);
+ clk_put(omap->usbhost_hs_fck);
err_host_120m_fck:
clk_disable(omap->usbhost_ick);
@@ -503,6 +649,8 @@ static void omap_stop_ehc(struct ehci_hcd_omap *omap, struct usb_hcd *hcd)
/* Reset OMAP modules for insmod/rmmod to work */
ehci_omap_writel(omap->uhh_base, OMAP_UHH_SYSCONFIG,
+ is_omap_ehci_rev2(omap) ?
+ OMAP4_UHH_SYSCONFIG_SOFTRESET :
OMAP_UHH_SYSCONFIG_SOFTRESET);
while (!(ehci_omap_readl(omap->uhh_base, OMAP_UHH_SYSSTATUS)
& (1 << 0))) {
@@ -550,16 +698,16 @@ static void omap_stop_ehc(struct ehci_hcd_omap *omap, struct usb_hcd *hcd)
omap->usbhost_ick = NULL;
}
- if (omap->usbhost1_48m_fck != NULL) {
- clk_disable(omap->usbhost1_48m_fck);
- clk_put(omap->usbhost1_48m_fck);
- omap->usbhost1_48m_fck = NULL;
+ if (omap->usbhost_fs_fck != NULL) {
+ clk_disable(omap->usbhost_fs_fck);
+ clk_put(omap->usbhost_fs_fck);
+ omap->usbhost_fs_fck = NULL;
}
- if (omap->usbhost2_120m_fck != NULL) {
- clk_disable(omap->usbhost2_120m_fck);
- clk_put(omap->usbhost2_120m_fck);
- omap->usbhost2_120m_fck = NULL;
+ if (omap->usbhost_hs_fck != NULL) {
+ clk_disable(omap->usbhost_hs_fck);
+ clk_put(omap->usbhost_hs_fck);
+ omap->usbhost_hs_fck = NULL;
}
if (omap->usbtll_ick != NULL) {
@@ -568,6 +716,32 @@ static void omap_stop_ehc(struct ehci_hcd_omap *omap, struct usb_hcd *hcd)
omap->usbtll_ick = NULL;
}
+ if (is_omap_ehci_rev2(omap)) {
+ if (omap->xclk60mhsp1_ck != NULL) {
+ clk_disable(omap->xclk60mhsp1_ck);
+ clk_put(omap->xclk60mhsp1_ck);
+ omap->xclk60mhsp1_ck = NULL;
+ }
+
+ if (omap->utmi_p1_fck != NULL) {
+ clk_disable(omap->utmi_p1_fck);
+ clk_put(omap->utmi_p1_fck);
+ omap->utmi_p1_fck = NULL;
+ }
+
+ if (omap->xclk60mhsp2_ck != NULL) {
+ clk_disable(omap->xclk60mhsp2_ck);
+ clk_put(omap->xclk60mhsp2_ck);
+ omap->xclk60mhsp2_ck = NULL;
+ }
+
+ if (omap->utmi_p2_fck != NULL) {
+ clk_disable(omap->utmi_p2_fck);
+ clk_put(omap->utmi_p2_fck);
+ omap->utmi_p2_fck = NULL;
+ }
+ }
+
if (omap->phy_reset) {
if (gpio_is_valid(omap->reset_gpio_port[0]))
gpio_free(omap->reset_gpio_port[0]);
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index a1e8d273103f..56c78e93440f 100644
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -22,6 +22,9 @@
#error "This file is PCI bus glue. CONFIG_PCI must be defined."
#endif
+/* defined here to avoid adding to pci_ids.h for single instance use */
+#define PCI_DEVICE_ID_INTEL_CE4100_USB 0x2e70
+
/*-------------------------------------------------------------------------*/
/* called after powerup, by probe or system-pm "wakeup" */
@@ -124,6 +127,10 @@ static int ehci_pci_setup(struct usb_hcd *hcd)
ehci_info(ehci, "disable lpm for langwell/penwell\n");
ehci->has_lpm = 0;
}
+ if (pdev->device == PCI_DEVICE_ID_INTEL_CE4100_USB) {
+ hcd->has_tt = 1;
+ tdi_reset(ehci);
+ }
break;
case PCI_VENDOR_ID_TDI:
if (pdev->device == PCI_DEVICE_ID_TDI_EHCI) {
diff --git a/drivers/usb/host/ehci-spear.c b/drivers/usb/host/ehci-spear.c
new file mode 100644
index 000000000000..75c00873443d
--- /dev/null
+++ b/drivers/usb/host/ehci-spear.c
@@ -0,0 +1,212 @@
+/*
+* Driver for EHCI HCD on SPEAR SOC
+*
+* Copyright (C) 2010 ST Micro Electronics,
+* Deepak Sikri <deepak.sikri@st.com>
+*
+* Based on various ehci-*.c drivers
+*
+* This file is subject to the terms and conditions of the GNU General Public
+* License. See the file COPYING in the main directory of this archive for
+* more details.
+*/
+
+#include <linux/platform_device.h>
+#include <linux/clk.h>
+
+struct spear_ehci {
+ struct ehci_hcd ehci;
+ struct clk *clk;
+};
+
+#define to_spear_ehci(hcd) (struct spear_ehci *)hcd_to_ehci(hcd)
+
+static void spear_start_ehci(struct spear_ehci *ehci)
+{
+ clk_enable(ehci->clk);
+}
+
+static void spear_stop_ehci(struct spear_ehci *ehci)
+{
+ clk_disable(ehci->clk);
+}
+
+static int ehci_spear_setup(struct usb_hcd *hcd)
+{
+ struct ehci_hcd *ehci = hcd_to_ehci(hcd);
+ int retval = 0;
+
+ /* registers start at offset 0x0 */
+ ehci->caps = hcd->regs;
+ ehci->regs = hcd->regs + HC_LENGTH(ehci_readl(ehci,
+ &ehci->caps->hc_capbase));
+ /* cache this readonly data; minimize chip reads */
+ ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params);
+ retval = ehci_halt(ehci);
+ if (retval)
+ return retval;
+
+ retval = ehci_init(hcd);
+ if (retval)
+ return retval;
+
+ ehci_reset(ehci);
+ ehci_port_power(ehci, 0);
+
+ return retval;
+}
+
+static const struct hc_driver ehci_spear_hc_driver = {
+ .description = hcd_name,
+ .product_desc = "SPEAr EHCI",
+ .hcd_priv_size = sizeof(struct spear_ehci),
+
+ /* generic hardware linkage */
+ .irq = ehci_irq,
+ .flags = HCD_MEMORY | HCD_USB2,
+
+ /* basic lifecycle operations */
+ .reset = ehci_spear_setup,
+ .start = ehci_run,
+ .stop = ehci_stop,
+ .shutdown = ehci_shutdown,
+
+ /* managing i/o requests and associated device resources */
+ .urb_enqueue = ehci_urb_enqueue,
+ .urb_dequeue = ehci_urb_dequeue,
+ .endpoint_disable = ehci_endpoint_disable,
+ .endpoint_reset = ehci_endpoint_reset,
+
+ /* scheduling support */
+ .get_frame_number = ehci_get_frame,
+
+ /* root hub support */
+ .hub_status_data = ehci_hub_status_data,
+ .hub_control = ehci_hub_control,
+ .bus_suspend = ehci_bus_suspend,
+ .bus_resume = ehci_bus_resume,
+ .relinquish_port = ehci_relinquish_port,
+ .port_handed_over = ehci_port_handed_over,
+ .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
+};
+
+static int spear_ehci_hcd_drv_probe(struct platform_device *pdev)
+{
+ struct usb_hcd *hcd ;
+ struct spear_ehci *ehci;
+ struct resource *res;
+ struct clk *usbh_clk;
+ const struct hc_driver *driver = &ehci_spear_hc_driver;
+ int *pdata = pdev->dev.platform_data;
+ int irq, retval;
+ char clk_name[20] = "usbh_clk";
+
+ if (pdata == NULL)
+ return -EFAULT;
+
+ if (usb_disabled())
+ return -ENODEV;
+
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0) {
+ retval = irq;
+ goto fail_irq_get;
+ }
+
+ if (*pdata >= 0)
+ sprintf(clk_name, "usbh.%01d_clk", *pdata);
+
+ usbh_clk = clk_get(NULL, clk_name);
+ if (IS_ERR(usbh_clk)) {
+ dev_err(&pdev->dev, "Error getting interface clock\n");
+ retval = PTR_ERR(usbh_clk);
+ goto fail_get_usbh_clk;
+ }
+
+ hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev));
+ if (!hcd) {
+ retval = -ENOMEM;
+ goto fail_create_hcd;
+ }
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ retval = -ENODEV;
+ goto fail_request_resource;
+ }
+
+ hcd->rsrc_start = res->start;
+ hcd->rsrc_len = resource_size(res);
+ if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
+ driver->description)) {
+ retval = -EBUSY;
+ goto fail_request_resource;
+ }
+
+ hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
+ if (hcd->regs == NULL) {
+ dev_dbg(&pdev->dev, "error mapping memory\n");
+ retval = -ENOMEM;
+ goto fail_ioremap;
+ }
+
+ ehci = (struct spear_ehci *)hcd_to_ehci(hcd);
+ ehci->clk = usbh_clk;
+
+ spear_start_ehci(ehci);
+ retval = usb_add_hcd(hcd, irq, IRQF_SHARED | IRQF_DISABLED);
+ if (retval)
+ goto fail_add_hcd;
+
+ return retval;
+
+fail_add_hcd:
+ spear_stop_ehci(ehci);
+ iounmap(hcd->regs);
+fail_ioremap:
+ release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+fail_request_resource:
+ usb_put_hcd(hcd);
+fail_create_hcd:
+ clk_put(usbh_clk);
+fail_get_usbh_clk:
+fail_irq_get:
+ dev_err(&pdev->dev, "init fail, %d\n", retval);
+
+ return retval ;
+}
+
+static int spear_ehci_hcd_drv_remove(struct platform_device *pdev)
+{
+ struct usb_hcd *hcd = platform_get_drvdata(pdev);
+ struct spear_ehci *ehci_p = to_spear_ehci(hcd);
+
+ if (!hcd)
+ return 0;
+ if (in_interrupt())
+ BUG();
+ usb_remove_hcd(hcd);
+
+ if (ehci_p->clk)
+ spear_stop_ehci(ehci_p);
+ iounmap(hcd->regs);
+ release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+ usb_put_hcd(hcd);
+
+ if (ehci_p->clk)
+ clk_put(ehci_p->clk);
+
+ return 0;
+}
+
+static struct platform_driver spear_ehci_hcd_driver = {
+ .probe = spear_ehci_hcd_drv_probe,
+ .remove = spear_ehci_hcd_drv_remove,
+ .shutdown = usb_hcd_platform_shutdown,
+ .driver = {
+ .name = "spear-ehci",
+ .bus = &platform_bus_type
+ }
+};
+
+MODULE_ALIAS("platform:spear-ehci");
diff --git a/drivers/usb/host/ehci-vt8500.c b/drivers/usb/host/ehci-vt8500.c
new file mode 100644
index 000000000000..20168062035a
--- /dev/null
+++ b/drivers/usb/host/ehci-vt8500.c
@@ -0,0 +1,172 @@
+/*
+ * drivers/usb/host/ehci-vt8500.c
+ *
+ * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
+ *
+ * Based on ehci-au1xxx.c
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ *
+ */
+
+#include <linux/platform_device.h>
+
+static int ehci_update_device(struct usb_hcd *hcd, struct usb_device *udev)
+{
+ struct ehci_hcd *ehci = hcd_to_ehci(hcd);
+ int rc = 0;
+
+ if (!udev->parent) /* udev is root hub itself, impossible */
+ rc = -1;
+ /* we only support lpm device connected to root hub yet */
+ if (ehci->has_lpm && !udev->parent->parent) {
+ rc = ehci_lpm_set_da(ehci, udev->devnum, udev->portnum);
+ if (!rc)
+ rc = ehci_lpm_check(ehci, udev->portnum);
+ }
+ return rc;
+}
+
+static const struct hc_driver vt8500_ehci_hc_driver = {
+ .description = hcd_name,
+ .product_desc = "VT8500 EHCI",
+ .hcd_priv_size = sizeof(struct ehci_hcd),
+
+ /*
+ * generic hardware linkage
+ */
+ .irq = ehci_irq,
+ .flags = HCD_MEMORY | HCD_USB2,
+
+ /*
+ * basic lifecycle operations
+ */
+ .reset = ehci_init,
+ .start = ehci_run,
+ .stop = ehci_stop,
+ .shutdown = ehci_shutdown,
+
+ /*
+ * managing i/o requests and associated device resources
+ */
+ .urb_enqueue = ehci_urb_enqueue,
+ .urb_dequeue = ehci_urb_dequeue,
+ .endpoint_disable = ehci_endpoint_disable,
+ .endpoint_reset = ehci_endpoint_reset,
+
+ /*
+ * scheduling support
+ */
+ .get_frame_number = ehci_get_frame,
+
+ /*
+ * root hub support
+ */
+ .hub_status_data = ehci_hub_status_data,
+ .hub_control = ehci_hub_control,
+ .bus_suspend = ehci_bus_suspend,
+ .bus_resume = ehci_bus_resume,
+ .relinquish_port = ehci_relinquish_port,
+ .port_handed_over = ehci_port_handed_over,
+
+ /*
+ * call back when device connected and addressed
+ */
+ .update_device = ehci_update_device,
+
+ .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
+};
+
+static int vt8500_ehci_drv_probe(struct platform_device *pdev)
+{
+ struct usb_hcd *hcd;
+ struct ehci_hcd *ehci;
+ struct resource *res;
+ int ret;
+
+ if (usb_disabled())
+ return -ENODEV;
+
+ if (pdev->resource[1].flags != IORESOURCE_IRQ) {
+ pr_debug("resource[1] is not IORESOURCE_IRQ");
+ return -ENOMEM;
+ }
+ hcd = usb_create_hcd(&vt8500_ehci_hc_driver, &pdev->dev, "VT8500");
+ if (!hcd)
+ return -ENOMEM;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ hcd->rsrc_start = res->start;
+ hcd->rsrc_len = resource_size(res);
+
+ if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
+ pr_debug("request_mem_region failed");
+ ret = -EBUSY;
+ goto err1;
+ }
+
+ hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
+ if (!hcd->regs) {
+ pr_debug("ioremap failed");
+ ret = -ENOMEM;
+ goto err2;
+ }
+
+ ehci = hcd_to_ehci(hcd);
+ ehci->caps = hcd->regs;
+ ehci->regs = hcd->regs + HC_LENGTH(readl(&ehci->caps->hc_capbase));
+
+ dbg_hcs_params(ehci, "reset");
+ dbg_hcc_params(ehci, "reset");
+
+ /* cache this readonly data; minimize chip reads */
+ ehci->hcs_params = readl(&ehci->caps->hcs_params);
+
+ ehci_port_power(ehci, 1);
+
+ ret = usb_add_hcd(hcd, pdev->resource[1].start,
+ IRQF_DISABLED | IRQF_SHARED);
+ if (ret == 0) {
+ platform_set_drvdata(pdev, hcd);
+ return ret;
+ }
+
+ iounmap(hcd->regs);
+err2:
+ release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+err1:
+ usb_put_hcd(hcd);
+ return ret;
+}
+
+static int vt8500_ehci_drv_remove(struct platform_device *pdev)
+{
+ struct usb_hcd *hcd = platform_get_drvdata(pdev);
+
+ usb_remove_hcd(hcd);
+ iounmap(hcd->regs);
+ release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+ usb_put_hcd(hcd);
+ platform_set_drvdata(pdev, NULL);
+
+ return 0;
+}
+
+static struct platform_driver vt8500_ehci_driver = {
+ .probe = vt8500_ehci_drv_probe,
+ .remove = vt8500_ehci_drv_remove,
+ .shutdown = usb_hcd_platform_shutdown,
+ .driver = {
+ .name = "vt8500-ehci",
+ .owner = THIS_MODULE,
+ }
+};
+
+MODULE_ALIAS("platform:vt8500-ehci");
diff --git a/drivers/usb/host/ehci-w90x900.c b/drivers/usb/host/ehci-w90x900.c
index cfa21ea20f82..6bc35809a5c6 100644
--- a/drivers/usb/host/ehci-w90x900.c
+++ b/drivers/usb/host/ehci-w90x900.c
@@ -130,6 +130,7 @@ static const struct hc_driver ehci_w90x900_hc_driver = {
.urb_enqueue = ehci_urb_enqueue,
.urb_dequeue = ehci_urb_dequeue,
.endpoint_disable = ehci_endpoint_disable,
+ .endpoint_reset = ehci_endpoint_reset,
/*
* scheduling support
@@ -147,6 +148,8 @@ static const struct hc_driver ehci_w90x900_hc_driver = {
#endif
.relinquish_port = ehci_relinquish_port,
.port_handed_over = ehci_port_handed_over,
+
+ .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
};
static int __devinit ehci_w90x900_probe(struct platform_device *pdev)
diff --git a/drivers/usb/host/ehci-xilinx-of.c b/drivers/usb/host/ehci-xilinx-of.c
index 6c8076ad821d..e8f4f36fdf0b 100644
--- a/drivers/usb/host/ehci-xilinx-of.c
+++ b/drivers/usb/host/ehci-xilinx-of.c
@@ -117,6 +117,7 @@ static const struct hc_driver ehci_xilinx_of_hc_driver = {
.urb_enqueue = ehci_urb_enqueue,
.urb_dequeue = ehci_urb_dequeue,
.endpoint_disable = ehci_endpoint_disable,
+ .endpoint_reset = ehci_endpoint_reset,
/*
* scheduling support
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 5179acb7aa2f..4a4a4f025385 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -1081,6 +1081,11 @@ MODULE_LICENSE ("GPL");
#define OF_PLATFORM_DRIVER ohci_hcd_ppc_of_driver
#endif
+#ifdef CONFIG_PLAT_SPEAR
+#include "ohci-spear.c"
+#define PLATFORM_DRIVER spear_ohci_hcd_driver
+#endif
+
#ifdef CONFIG_PPC_PS3
#include "ohci-ps3.c"
#define PS3_SYSTEM_BUS_DRIVER ps3_ohci_driver
diff --git a/drivers/usb/host/ohci-spear.c b/drivers/usb/host/ohci-spear.c
new file mode 100644
index 000000000000..4fd4bea9ac7a
--- /dev/null
+++ b/drivers/usb/host/ohci-spear.c
@@ -0,0 +1,240 @@
+/*
+* OHCI HCD (Host Controller Driver) for USB.
+*
+* Copyright (C) 2010 ST Microelectronics.
+* Deepak Sikri<deepak.sikri@st.com>
+*
+* Based on various ohci-*.c drivers
+*
+* This file is licensed under the terms of the GNU General Public
+* License version 2. This program is licensed "as is" without any
+* warranty of any kind, whether express or implied.
+*/
+
+#include <linux/signal.h>
+#include <linux/platform_device.h>
+#include <linux/clk.h>
+
+struct spear_ohci {
+ struct ohci_hcd ohci;
+ struct clk *clk;
+};
+
+#define to_spear_ohci(hcd) (struct spear_ohci *)hcd_to_ohci(hcd)
+
+static void spear_start_ohci(struct spear_ohci *ohci)
+{
+ clk_enable(ohci->clk);
+}
+
+static void spear_stop_ohci(struct spear_ohci *ohci)
+{
+ clk_disable(ohci->clk);
+}
+
+static int __devinit ohci_spear_start(struct usb_hcd *hcd)
+{
+ struct ohci_hcd *ohci = hcd_to_ohci(hcd);
+ int ret;
+
+ ret = ohci_init(ohci);
+ if (ret < 0)
+ return ret;
+ ohci->regs = hcd->regs;
+
+ ret = ohci_run(ohci);
+ if (ret < 0) {
+ dev_err(hcd->self.controller, "can't start\n");
+ ohci_stop(hcd);
+ return ret;
+ }
+
+ create_debug_files(ohci);
+
+#ifdef DEBUG
+ ohci_dump(ohci, 1);
+#endif
+ return 0;
+}
+
+static const struct hc_driver ohci_spear_hc_driver = {
+ .description = hcd_name,
+ .product_desc = "SPEAr OHCI",
+ .hcd_priv_size = sizeof(struct spear_ohci),
+
+ /* generic hardware linkage */
+ .irq = ohci_irq,
+ .flags = HCD_USB11 | HCD_MEMORY,
+
+ /* basic lifecycle operations */
+ .start = ohci_spear_start,
+ .stop = ohci_stop,
+ .shutdown = ohci_shutdown,
+#ifdef CONFIG_PM
+ .bus_suspend = ohci_bus_suspend,
+ .bus_resume = ohci_bus_resume,
+#endif
+
+ /* managing i/o requests and associated device resources */
+ .urb_enqueue = ohci_urb_enqueue,
+ .urb_dequeue = ohci_urb_dequeue,
+ .endpoint_disable = ohci_endpoint_disable,
+
+ /* scheduling support */
+ .get_frame_number = ohci_get_frame,
+
+ /* root hub support */
+ .hub_status_data = ohci_hub_status_data,
+ .hub_control = ohci_hub_control,
+
+ .start_port_reset = ohci_start_port_reset,
+};
+
+static int spear_ohci_hcd_drv_probe(struct platform_device *pdev)
+{
+ const struct hc_driver *driver = &ohci_spear_hc_driver;
+ struct usb_hcd *hcd = NULL;
+ struct clk *usbh_clk;
+ struct spear_ohci *ohci_p;
+ struct resource *res;
+ int retval, irq;
+ int *pdata = pdev->dev.platform_data;
+ char clk_name[20] = "usbh_clk";
+
+ if (pdata == NULL)
+ return -EFAULT;
+
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0) {
+ retval = irq;
+ goto fail_irq_get;
+ }
+
+ if (*pdata >= 0)
+ sprintf(clk_name, "usbh.%01d_clk", *pdata);
+
+ usbh_clk = clk_get(NULL, clk_name);
+ if (IS_ERR(usbh_clk)) {
+ dev_err(&pdev->dev, "Error getting interface clock\n");
+ retval = PTR_ERR(usbh_clk);
+ goto fail_get_usbh_clk;
+ }
+
+ hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev));
+ if (!hcd) {
+ retval = -ENOMEM;
+ goto fail_create_hcd;
+ }
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ retval = -ENODEV;
+ goto fail_request_resource;
+ }
+
+ hcd->rsrc_start = pdev->resource[0].start;
+ hcd->rsrc_len = resource_size(res);
+ if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
+ dev_dbg(&pdev->dev, "request_mem_region failed\n");
+ retval = -EBUSY;
+ goto fail_request_resource;
+ }
+
+ hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
+ if (!hcd->regs) {
+ dev_dbg(&pdev->dev, "ioremap failed\n");
+ retval = -ENOMEM;
+ goto fail_ioremap;
+ }
+
+ ohci_p = (struct spear_ohci *)hcd_to_ohci(hcd);
+ ohci_p->clk = usbh_clk;
+ spear_start_ohci(ohci_p);
+ ohci_hcd_init(hcd_to_ohci(hcd));
+
+ retval = usb_add_hcd(hcd, platform_get_irq(pdev, 0), IRQF_DISABLED);
+ if (retval == 0)
+ return retval;
+
+ spear_stop_ohci(ohci_p);
+ iounmap(hcd->regs);
+fail_ioremap:
+ release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+fail_request_resource:
+ usb_put_hcd(hcd);
+fail_create_hcd:
+ clk_put(usbh_clk);
+fail_get_usbh_clk:
+fail_irq_get:
+ dev_err(&pdev->dev, "init fail, %d\n", retval);
+
+ return retval;
+}
+
+static int spear_ohci_hcd_drv_remove(struct platform_device *pdev)
+{
+ struct usb_hcd *hcd = platform_get_drvdata(pdev);
+ struct spear_ohci *ohci_p = to_spear_ohci(hcd);
+
+ usb_remove_hcd(hcd);
+ if (ohci_p->clk)
+ spear_stop_ohci(ohci_p);
+
+ iounmap(hcd->regs);
+ release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+ usb_put_hcd(hcd);
+
+ if (ohci_p->clk)
+ clk_put(ohci_p->clk);
+ platform_set_drvdata(pdev, NULL);
+ return 0;
+}
+
+#if defined(CONFIG_PM)
+static int spear_ohci_hcd_drv_suspend(struct platform_device *dev,
+ pm_message_t message)
+{
+ struct usb_hcd *hcd = platform_get_drvdata(dev);
+ struct ohci_hcd *ohci = hcd_to_ohci(hcd);
+ struct spear_ohci *ohci_p = to_spear_ohci(hcd);
+
+ if (time_before(jiffies, ohci->next_statechange))
+ msleep(5);
+ ohci->next_statechange = jiffies;
+
+ spear_stop_ohci(ohci_p);
+ ohci_to_hcd(ohci)->state = HC_STATE_SUSPENDED;
+ return 0;
+}
+
+static int spear_ohci_hcd_drv_resume(struct platform_device *dev)
+{
+ struct usb_hcd *hcd = platform_get_drvdata(dev);
+ struct ohci_hcd *ohci = hcd_to_ohci(hcd);
+ struct spear_ohci *ohci_p = to_spear_ohci(hcd);
+
+ if (time_before(jiffies, ohci->next_statechange))
+ msleep(5);
+ ohci->next_statechange = jiffies;
+
+ spear_start_ohci(ohci_p);
+ ohci_finish_controller_resume(hcd);
+ return 0;
+}
+#endif
+
+/* Driver definition to register with the platform bus */
+static struct platform_driver spear_ohci_hcd_driver = {
+ .probe = spear_ohci_hcd_drv_probe,
+ .remove = spear_ohci_hcd_drv_remove,
+#ifdef CONFIG_PM
+ .suspend = spear_ohci_hcd_drv_suspend,
+ .resume = spear_ohci_hcd_drv_resume,
+#endif
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "spear-ohci",
+ },
+};
+
+MODULE_ALIAS("platform:spear-ohci");
diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c
index f52d04db28f4..cee867829ec9 100644
--- a/drivers/usb/host/uhci-hcd.c
+++ b/drivers/usb/host/uhci-hcd.c
@@ -569,7 +569,7 @@ static int uhci_init(struct usb_hcd *hcd)
*/
static void uhci_shutdown(struct pci_dev *pdev)
{
- struct usb_hcd *hcd = (struct usb_hcd *) pci_get_drvdata(pdev);
+ struct usb_hcd *hcd = pci_get_drvdata(pdev);
uhci_hc_died(hcd_to_uhci(hcd));
}
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