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authorJo-Philipp Wich <jo@mein.io>2016-08-22 17:35:47 +0200
committerJo-Philipp Wich <jo@mein.io>2016-08-23 15:41:27 +0200
commit58df34b5e14d82d43c76c1c7140a04e515297261 (patch)
tree13ce4ab2e122c4dc7da40f51aa147a5c8b59761c /target/linux/gemini/patches/130-usb-ehci-add-fot2g-driver.patch
parentf046737e92f9a13acbe9139e1ded83287d31eeb5 (diff)
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gemini: drop Linux 4.1 support
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
Diffstat (limited to 'target/linux/gemini/patches/130-usb-ehci-add-fot2g-driver.patch')
-rw-r--r--target/linux/gemini/patches/130-usb-ehci-add-fot2g-driver.patch133
1 files changed, 133 insertions, 0 deletions
diff --git a/target/linux/gemini/patches/130-usb-ehci-add-fot2g-driver.patch b/target/linux/gemini/patches/130-usb-ehci-add-fot2g-driver.patch
new file mode 100644
index 0000000000..2192ad69ba
--- /dev/null
+++ b/target/linux/gemini/patches/130-usb-ehci-add-fot2g-driver.patch
@@ -0,0 +1,133 @@
+--- a/drivers/usb/host/ehci-hcd.c
++++ b/drivers/usb/host/ehci-hcd.c
+@@ -352,11 +352,13 @@ static void ehci_silence_controller(stru
+ 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);
+ }
+
+@@ -608,7 +610,9 @@ 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);
+
+@@ -628,9 +632,11 @@ 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();
+
+@@ -768,9 +774,10 @@ static irqreturn_t ehci_irq (struct usb_
+ 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;
+@@ -1296,6 +1303,11 @@ MODULE_LICENSE ("GPL");
+ #define PLATFORM_DRIVER ehci_hcd_sead3_driver
+ #endif
+
++#ifdef CONFIG_ARCH_GEMINI
++#include "ehci-fotg2.c"
++#define PLATFORM_DRIVER ehci_fotg2_driver
++#endif
++
+ static int __init ehci_hcd_init(void)
+ {
+ int retval = 0;
+--- a/drivers/usb/host/ehci-timer.c
++++ b/drivers/usb/host/ehci-timer.c
+@@ -208,7 +208,9 @@ static void ehci_handle_controller_death
+
+ /* 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
+@@ -657,7 +657,12 @@ 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
+@@ -1076,6 +1076,11 @@ 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
++++ b/include/linux/usb/ehci_def.h
+@@ -112,8 +112,13 @@ struct ehci_regs {
+ 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 */
+@@ -125,8 +130,11 @@ struct ehci_regs {
+ 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