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Diffstat (limited to 'target/linux/gemini/patches-3.18/130-usb-ehci-fot2g.patch')
-rw-r--r--target/linux/gemini/patches-3.18/130-usb-ehci-fot2g.patch213
1 files changed, 213 insertions, 0 deletions
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
index 0000000000..d621fe3645
--- /dev/null
+++ b/target/linux/gemini/patches-3.18/130-usb-ehci-fot2g.patch
@@ -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