gemini: add 3.18 support
[openwrt.git] / target / linux / gemini / patches-3.18 / 130-usb-ehci-fot2g.patch
diff --git a/target/linux/gemini/patches-3.18/130-usb-ehci-fot2g.patch b/target/linux/gemini/patches-3.18/130-usb-ehci-fot2g.patch
new file mode 100644 (file)
index 0000000..d621fe3
--- /dev/null
@@ -0,0 +1,213 @@
+--- 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(&ethernet_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(enum reboot_mode mode, const char *cmd);
+--- a/drivers/usb/host/ehci-hcd.c
++++ b/drivers/usb/host/ehci-hcd.c
+@@ -345,12 +345,14 @@ 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);
+ }
+@@ -602,7 +604,9 @@ 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);
+@@ -622,9 +626,11 @@ 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();
+@@ -762,9 +768,10 @@ 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;
+@@ -1243,6 +1250,11 @@ 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
+@@ -208,7 +208,9 @@
+       /* 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
+@@ -656,7 +656,12 @@ 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
+@@ -1072,6 +1072,11 @@ 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
+               }
+               /* transfer dedicated ports to the companion hc */
+--- 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