--- a/arch/arm/mach-gemini/devices.c 2011-04-23 01:00:16.738137491 +0200
+++ b/arch/arm/mach-gemini/devices.c 2011-04-23 01:06:55.539299920 +0200
@@ -188,3 +188,64 @@
return platform_device_register(ðernet_device);
}
+
+static struct resource usb0_resources[] = {
+ {
+ .start = GEMINI_USB0_BASE,
+ .end = GEMINI_USB0_BASE + 0xfff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IRQ_USB0,
+ .end = IRQ_USB0,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource usb1_resources[] = {
+ {
+ .start = GEMINI_USB1_BASE,
+ .end = GEMINI_USB1_BASE + 0xfff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IRQ_USB1,
+ .end = IRQ_USB1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static u64 usb0_dmamask = 0xffffffffUL;
+static u64 usb1_dmamask = 0xffffffffUL;
+
+static struct platform_device usb_device[] = {
+ {
+ .name = "ehci-fotg2",
+ .id = 0,
+ .dev = {
+ .dma_mask = &usb0_dmamask,
+ .coherent_dma_mask = 0xffffffff,
+ },
+ .num_resources = ARRAY_SIZE(usb0_resources),
+ .resource = usb0_resources,
+ },
+ {
+ .name = "ehci-fotg2",
+ .id = 1,
+ .dev = {
+ .dma_mask = &usb1_dmamask,
+ .coherent_dma_mask = 0xffffffff,
+ },
+ .num_resources = ARRAY_SIZE(usb1_resources),
+ .resource = usb1_resources,
+ },
+};
+
+int __init platform_register_usb(unsigned int id)
+{
+ if (id > 1)
+ return -EINVAL;
+
+ return platform_device_register(&usb_device[id]);
+}
+
--- a/arch/arm/mach-gemini/common.h 2011-04-23 01:09:31.413161153 +0200
+++ b/arch/arm/mach-gemini/common.h 2011-04-23 01:09:52.426358514 +0200
@@ -28,6 +28,7 @@
unsigned int nr_parts);
extern int platform_register_watchdog(void);
extern int platform_register_ethernet(struct gemini_gmac_platform_data *pdata);
+extern int platform_register_usb(unsigned int id);
extern void gemini_restart(char mode, const char *cmd);
--- a/drivers/usb/Kconfig
+++ b/drivers/usb/Kconfig
@@ -39,6 +39,7 @@ config USB_ARCH_HAS_EHCI
default y if ARCH_MXC
default y if ARCH_MXS
default y if ARCH_OMAP3
+ default y if ARCH_GEMINI
default y if ARCH_CNS3XXX
default y if ARCH_VT8500
default y if PLAT_SPEAR
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -340,12 +340,14 @@ static void ehci_silence_controller(struct ehci_hcd *ehci)
spin_lock_irq(&ehci->lock);
ehci->rh_state = EHCI_RH_HALTED;
ehci_turn_off_all_ports(ehci);
+#ifndef CONFIG_ARCH_GEMINI
/* make BIOS/etc use companion controller during reboot */
ehci_writel(ehci, 0, &ehci->regs->configured_flag);
/* unblock posted writes */
ehci_readl(ehci, &ehci->regs->configured_flag);
+#endif
spin_unlock_irq(&ehci->lock);
}
@@ -600,7 +602,9 @@ static int ehci_run (struct usb_hcd *hcd)
// Philips, Intel, and maybe others need CMD_RUN before the
// root hub will detect new devices (why?); NEC doesn't
ehci->command &= ~(CMD_LRESET|CMD_IAAD|CMD_PSE|CMD_ASE|CMD_RESET);
+#ifndef CONFIG_ARCH_GEMINI
ehci->command |= CMD_RUN;
+#endif
ehci_writel(ehci, ehci->command, &ehci->regs->command);
dbg_cmd (ehci, "init", ehci->command);
@@ -620,9 +624,11 @@ static int ehci_run (struct usb_hcd *hcd)
*/
down_write(&ehci_cf_port_reset_rwsem);
ehci->rh_state = EHCI_RH_RUNNING;
+#ifndef CONFIG_ARCH_GEMINI
ehci_writel(ehci, FLAG_CF, &ehci->regs->configured_flag);
ehci_readl(ehci, &ehci->regs->command); /* unblock posted writes */
msleep(5);
+#endif
up_write(&ehci_cf_port_reset_rwsem);
ehci->last_periodic_enable = ktime_get_real();
@@ -763,9 +769,10 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd)
pcd_status = status;
/* resume root hub? */
+#ifndef CONFIG_ARCH_GEMINI
if (ehci->rh_state == EHCI_RH_SUSPENDED)
usb_hcd_resume_root_hub(hcd);
-
+#endif
/* get per-port change detect bits */
if (ehci->has_ppcd)
ppcd = status >> 16;
@@ -1228,6 +1241,11 @@ MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_AUTHOR (DRIVER_AUTHOR);
MODULE_LICENSE ("GPL");
+#ifdef CONFIG_ARCH_GEMINI
+#include "ehci-fotg2.c"
+#define PLATFORM_DRIVER ehci_fotg2_driver
+#endif
+
#ifdef CONFIG_USB_EHCI_FSL
#include "ehci-fsl.c"
#define PLATFORM_DRIVER ehci_fsl_driver
--- a/drivers/usb/host/ehci-timer.c 2012-12-24 18:35:19.695560879 +0100
+++ b/drivers/usb/host/ehci-timer.c 2012-12-24 18:39:39.813308000 +0100
@@ -207,7 +207,9 @@
/* Clean up the mess */
ehci->rh_state = EHCI_RH_HALTED;
+#ifndef CONFIG_ARCH_GEMINI
ehci_writel(ehci, 0, &ehci->regs->configured_flag);
+#endif
ehci_writel(ehci, 0, &ehci->regs->intr_enable);
ehci_work(ehci);
end_unlink_async(ehci);
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -600,7 +600,12 @@ static inline unsigned int
ehci_port_speed(struct ehci_hcd *ehci, unsigned int portsc)
{
if (ehci_is_TDI(ehci)) {
- switch ((portsc >> (ehci->has_hostpc ? 25 : 26)) & 3) {
+#ifdef CONFIG_ARCH_GEMINI
+ portsc = readl(ehci_to_hcd(ehci)->regs + 0x80);
+ switch ((portsc>>22)&3) {
+#else
+ switch ((portsc>>26)&3) {
+#endif
case 0:
return 0;
case 1:
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -912,6 +912,11 @@ static int ehci_hub_control (
/* see what we found out */
temp = check_reset_complete (ehci, wIndex, status_reg,
ehci_readl(ehci, status_reg));
+#ifdef CONFIG_ARCH_GEMINI
+ /* restart schedule */
+ ehci->command |= CMD_RUN;
+ ehci_writel(ehci, ehci->command, &ehci->regs->command);
+#endif
}
if (!(temp & (PORT_RESUME|PORT_RESET))) {
--- a/include/linux/usb/ehci_def.h 2012-12-24 15:01:10.168320497 +0100
+++ b/include/linux/usb/ehci_def.h 2012-12-24 15:11:43.335575000 +0100
@@ -110,9 +110,14 @@
u32 frame_list; /* points to periodic list */
/* ASYNCLISTADDR: offset 0x18 */
u32 async_next; /* address of next async queue head */
-
+#ifndef CONFIG_ARCH_GEMINI
u32 reserved1[2];
-
+#else
+ u32 reserved1;
+ /* PORTSC: offset 0x20 for Faraday OTG */
+ u32 port_status[1];
+#endif
+
/* TXFILLTUNING: offset 0x24 */
u32 txfill_tuning; /* TX FIFO Tuning register */
#define TXFIFO_DEFAULT (8<<16) /* FIFO burst threshold 8 */
@@ -123,8 +128,11 @@
u32 configured_flag;
#define FLAG_CF (1<<0) /* true: we'll support "high speed" */
+#ifndef CONFIG_ARCH_GEMINI
/* PORTSC: offset 0x44 */
u32 port_status[0]; /* up to N_PORTS */
+#endif
+
/* EHCI 1.1 addendum */
#define PORTSC_SUSPEND_STS_ACK 0
#define PORTSC_SUSPEND_STS_NYET 1