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134 lines
3.9 KiB
Diff
134 lines
3.9 KiB
Diff
--- a/drivers/usb/host/ehci-hcd.c
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+++ b/drivers/usb/host/ehci-hcd.c
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@@ -352,11 +352,13 @@ static void ehci_silence_controller(stru
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ehci->rh_state = EHCI_RH_HALTED;
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ehci_turn_off_all_ports(ehci);
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+#ifndef CONFIG_ARCH_GEMINI
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/* make BIOS/etc use companion controller during reboot */
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ehci_writel(ehci, 0, &ehci->regs->configured_flag);
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/* unblock posted writes */
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ehci_readl(ehci, &ehci->regs->configured_flag);
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+#endif
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spin_unlock_irq(&ehci->lock);
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}
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@@ -608,7 +610,9 @@ static int ehci_run (struct usb_hcd *hcd
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// Philips, Intel, and maybe others need CMD_RUN before the
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// root hub will detect new devices (why?); NEC doesn't
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ehci->command &= ~(CMD_LRESET|CMD_IAAD|CMD_PSE|CMD_ASE|CMD_RESET);
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+#ifndef CONFIG_ARCH_GEMINI
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ehci->command |= CMD_RUN;
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+#endif
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ehci_writel(ehci, ehci->command, &ehci->regs->command);
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dbg_cmd (ehci, "init", ehci->command);
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@@ -628,9 +632,11 @@ static int ehci_run (struct usb_hcd *hcd
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*/
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down_write(&ehci_cf_port_reset_rwsem);
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ehci->rh_state = EHCI_RH_RUNNING;
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+#ifndef CONFIG_ARCH_GEMINI
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ehci_writel(ehci, FLAG_CF, &ehci->regs->configured_flag);
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ehci_readl(ehci, &ehci->regs->command); /* unblock posted writes */
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msleep(5);
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+#endif
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up_write(&ehci_cf_port_reset_rwsem);
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ehci->last_periodic_enable = ktime_get_real();
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@@ -768,9 +774,10 @@ static irqreturn_t ehci_irq (struct usb_
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pcd_status = status;
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/* resume root hub? */
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+#ifndef CONFIG_ARCH_GEMINI
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if (ehci->rh_state == EHCI_RH_SUSPENDED)
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usb_hcd_resume_root_hub(hcd);
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-
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+#endif
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/* get per-port change detect bits */
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if (ehci->has_ppcd)
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ppcd = status >> 16;
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@@ -1296,6 +1303,11 @@ MODULE_LICENSE ("GPL");
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#define PLATFORM_DRIVER ehci_hcd_sead3_driver
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#endif
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+#ifdef CONFIG_ARCH_GEMINI
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+#include "ehci-fotg2.c"
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+#define PLATFORM_DRIVER ehci_fotg2_driver
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+#endif
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+
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static int __init ehci_hcd_init(void)
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{
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int retval = 0;
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--- a/drivers/usb/host/ehci-timer.c
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+++ b/drivers/usb/host/ehci-timer.c
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@@ -208,7 +208,9 @@ static void ehci_handle_controller_death
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/* Clean up the mess */
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ehci->rh_state = EHCI_RH_HALTED;
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+#ifndef CONFIG_ARCH_GEMINI
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ehci_writel(ehci, 0, &ehci->regs->configured_flag);
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+#endif
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ehci_writel(ehci, 0, &ehci->regs->intr_enable);
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ehci_work(ehci);
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end_unlink_async(ehci);
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--- a/drivers/usb/host/ehci.h
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+++ b/drivers/usb/host/ehci.h
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@@ -657,7 +657,12 @@ static inline unsigned int
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ehci_port_speed(struct ehci_hcd *ehci, unsigned int portsc)
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{
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if (ehci_is_TDI(ehci)) {
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- switch ((portsc >> (ehci->has_hostpc ? 25 : 26)) & 3) {
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+#ifdef CONFIG_ARCH_GEMINI
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+ portsc = readl(ehci_to_hcd(ehci)->regs + 0x80);
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+ switch ((portsc>>22)&3) {
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+#else
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+ switch ((portsc>>26)&3) {
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+#endif
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case 0:
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return 0;
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case 1:
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--- a/drivers/usb/host/ehci-hub.c
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+++ b/drivers/usb/host/ehci-hub.c
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@@ -1076,6 +1076,11 @@ int ehci_hub_control(
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/* see what we found out */
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temp = check_reset_complete (ehci, wIndex, status_reg,
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ehci_readl(ehci, status_reg));
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+#ifdef CONFIG_ARCH_GEMINI
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+ /* restart schedule */
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+ ehci->command |= CMD_RUN;
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+ ehci_writel(ehci, ehci->command, &ehci->regs->command);
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+#endif
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}
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/* transfer dedicated ports to the companion hc */
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--- a/include/linux/usb/ehci_def.h
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+++ b/include/linux/usb/ehci_def.h
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@@ -112,8 +112,13 @@ struct ehci_regs {
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u32 frame_list; /* points to periodic list */
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/* ASYNCLISTADDR: offset 0x18 */
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u32 async_next; /* address of next async queue head */
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-
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+#ifndef CONFIG_ARCH_GEMINI
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u32 reserved1[2];
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+#else
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+ u32 reserved1;
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+ /* PORTSC: offset 0x20 for Faraday OTG */
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+ u32 port_status[1];
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+#endif
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/* TXFILLTUNING: offset 0x24 */
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u32 txfill_tuning; /* TX FIFO Tuning register */
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@@ -125,8 +130,11 @@ struct ehci_regs {
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u32 configured_flag;
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#define FLAG_CF (1<<0) /* true: we'll support "high speed" */
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+#ifndef CONFIG_ARCH_GEMINI
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/* PORTSC: offset 0x44 */
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u32 port_status[0]; /* up to N_PORTS */
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+#endif
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+
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/* EHCI 1.1 addendum */
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#define PORTSC_SUSPEND_STS_ACK 0
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#define PORTSC_SUSPEND_STS_NYET 1
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