diff options
Diffstat (limited to 'target/linux/coldfire/patches/026-m5445x_usb_cleanup_2.patch')
| -rw-r--r-- | target/linux/coldfire/patches/026-m5445x_usb_cleanup_2.patch | 470 |
1 files changed, 0 insertions, 470 deletions
diff --git a/target/linux/coldfire/patches/026-m5445x_usb_cleanup_2.patch b/target/linux/coldfire/patches/026-m5445x_usb_cleanup_2.patch deleted file mode 100644 index 634e9dfc67..0000000000 --- a/target/linux/coldfire/patches/026-m5445x_usb_cleanup_2.patch +++ /dev/null @@ -1,470 +0,0 @@ -From b014a8a0b66b1f0f55b3384f586f43e67e6dcc5d Mon Sep 17 00:00:00 2001 -From: Bruce Schmid <duck@freescale.com> -Date: Tue, 4 Dec 2007 16:03:17 -0700 -Subject: [PATCH] USB: cleanup - -LTIBName: m5445x-usb-cleanup-2 -Signed-off-by: Duck <duck@freescale.com> ---- - drivers/usb/gadget/mcf5445x_udc.c | 14 --- - drivers/usb/host/ehci-arc.c | 19 +--- - drivers/usb/otg/fsl_otg.c | 225 ++----------------------------------- - drivers/usb/otg/otg_fsm.h | 2 +- - include/linux/usb/fsl_usb2.h | 5 +- - 5 files changed, 15 insertions(+), 250 deletions(-) - ---- a/drivers/usb/gadget/mcf5445x_udc.c -+++ b/drivers/usb/gadget/mcf5445x_udc.c -@@ -321,11 +321,6 @@ static void pullup_enable(struct fsl_udc - temp = fsl_readl(&dr_regs->usbcmd); - temp |= USB_CMD_RUN_STOP; - fsl_writel(temp, &dr_regs->usbcmd); -- --#ifdef NEVER /* DDD FIXME: we want this? */ -- if (!udc->transceiver) -- *((u16 *)(MCF_FBCS1_CSAR)) &= ~0x1; /* Enable pullup register */ --#endif - } - - static void pullup_disable(struct fsl_udc *udc) -@@ -345,12 +340,6 @@ static void pullup_disable(struct fsl_ud - tmp = fsl_readl(&dr_regs->usbcmd); - tmp &= ~USB_CMD_RUN_STOP; - fsl_writel(tmp, &dr_regs->usbcmd); -- --#ifdef NEVER /* DDD FIXME: we want this? */ -- if (!udc->transceiver) -- *((u16 *)(MCF_FBCS1_CSAR)) |= 0x1; /* Disable pullup register */ --#endif -- - } - - static void dr_controller_run(struct fsl_udc *udc) -@@ -2598,9 +2587,6 @@ static int __init fsl_udc_probe(struct p - ret = -ENOMEM; - goto err4; - } --#if 0 // DDD why this? hoarks OTG host -- pullup_disable(udc); --#endif - - create_proc_file(); - return 0; ---- a/drivers/usb/host/ehci-arc.c -+++ b/drivers/usb/host/ehci-arc.c -@@ -378,25 +378,14 @@ static int ehci_fsl_drv_resume(struct pl - - memcpy(ehci->regs, (void *)&usb_ehci_regs, sizeof(struct ehci_regs)); - --#if 0 // DDD test -- ehci_writel(ehci, usb_ehci_portsc, &ehci->regs->port_status[0]); -- printk("set portsc %08x %08x\n", usb_ehci_portsc, -- ehci_readl(ehci, &ehci->regs->port_status[0])); -- printk("set usbmode %08x\n", -- ehci_readl(ehci, &ehci->regs + FSL_SOC_USB_USBMODE)); -- - tmp = USBMODE_CM_HOST | (pdata->es ? USBMODE_ES : 0); - ehci_writel(ehci, tmp, hcd->regs + FSL_SOC_USB_USBMODE); --#else -- tmp = USBMODE_CM_HOST | (pdata->es ? USBMODE_ES : 0); -- ehci_writel(ehci, tmp, hcd->regs + FSL_SOC_USB_USBMODE); -- printk("tmp %08x set usbmode %08x\n", tmp, -- ehci_readl(ehci, hcd->regs + FSL_SOC_USB_USBMODE)); -+ pr_debug("tmp %08x set usbmode %08x\n", tmp, -+ ehci_readl(ehci, hcd->regs + FSL_SOC_USB_USBMODE)); - - ehci_writel(ehci, usb_ehci_portsc, &ehci->regs->port_status[0]); -- printk("set portsc %08x %08x\n", usb_ehci_portsc, -- ehci_readl(ehci, &ehci->regs->port_status[0])); --#endif -+ pr_debug("set portsc %08x %08x\n", usb_ehci_portsc, -+ ehci_readl(ehci, &ehci->regs->port_status[0])); - - set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); - hcd->state = HC_STATE_RUNNING; ---- a/drivers/usb/otg/fsl_otg.c -+++ b/drivers/usb/otg/fsl_otg.c -@@ -98,6 +98,7 @@ static struct fsl_otg_config fsl_otg_ini - .otg_port = 1, - }; - -+#if 0 - static void dump_state(const char *string, struct otg_fsm *fsm) - { - printk(KERN_DEBUG "%s\n\tOTG state: %s\n", string, -@@ -135,6 +136,7 @@ static void dump_state(const char *strin - printk(KERN_DEBUG "\tb_sess_vld: %d\n", fsm->b_sess_vld); - printk(KERN_DEBUG "\tid: %d\n", fsm->id); - } -+#endif - - - /* Routines to access transceiver ULPI registers */ -@@ -537,6 +539,7 @@ int fsl_otg_start_gadget(struct otg_fsm - return 0; - } - -+#if 0 - static void fsl_otg_enable(struct otg_transceiver *otg_p) - { - struct fsl_otg *otg_dev = container_of(otg_p, struct fsl_otg, otg); -@@ -549,7 +552,7 @@ static void fsl_otg_enable(struct otg_tr - otg_sc |= OTGSC_INTERRUPT_ENABLE_BITS_MASK; - otg_sc &= ~OTGSC_IE_1ms_TIMER; - otg_sc &= ~OTGSC_CTRL_VBUS_DISCHARGE; -- otg_sc |= OTGSC_IE_USB_ID; /* DDD added this */ -+ otg_sc |= OTGSC_IE_USB_ID; - fsl_writel(otg_sc, &usb_dr_regs->otgsc); - - fsm->id = (otg_sc & OTGSC_STS_USB_ID) ? 1 : 0; -@@ -570,6 +573,7 @@ static void fsl_otg_enable(struct otg_tr - fsm->a_sess_vld = (otg_sc & OTGSC_STS_A_SESSION_VALID) ? 1 : 0; - fsm->b_sess_end = (otg_sc & OTGSC_STS_B_SESSION_END) ? 1 : 0; - } -+#endif - - /* - * Called by initialization code of host driver. Register host controller -@@ -577,34 +581,6 @@ static void fsl_otg_enable(struct otg_tr - */ - static int fsl_otg_set_host(struct otg_transceiver *otg_p, struct usb_bus *host) - { --#if 0 // DDD beta-final -- struct fsl_otg *otg_dev = container_of(otg_p, struct fsl_otg, otg); -- struct device *dev = host->controller; -- -- if (!otg_p || otg_dev != fsl_otg_dev) -- return -ENODEV; -- -- otg_p->host = host; -- otg_p->host->is_b_host = otg_dev->fsm.id; -- -- otg_dev->fsm.a_bus_drop = 0; -- otg_dev->fsm.a_bus_req = 1; -- -- otg_p->host->otg_port = fsl_otg_initdata.otg_port; -- -- if (dev && dev->driver) { -- VDBG("suspending host\n"); -- dev->driver->suspend(dev, PMSG_SUSPEND); -- otg_dev->host_working = 0; -- VDBG("back\n"); -- } -- -- -- /* dump_state("set_host running statemachine", &otg_dev->fsm); DDD */ -- otg_statemachine(&otg_dev->fsm); -- -- return 0; --#else - struct fsl_otg *otg_dev = container_of(otg_p, struct fsl_otg, otg); - - if (!otg_p || otg_dev != fsl_otg_dev) -@@ -644,7 +620,6 @@ static int fsl_otg_set_host(struct otg_t - otg_statemachine(&otg_dev->fsm); - - return 0; --#endif - } - - /* Called by initialization code of udc. Register udc to OTG.*/ -@@ -673,12 +648,6 @@ static int fsl_otg_set_peripheral(struct - - otg_dev->fsm.b_bus_req = 1; - --#if 0 /* DDD uClinux */ -- if (otg_p->host) { -- fsl_otg_enable(otg_p); -- otg_statemachine(&otg_dev->fsm); -- } --#endif - /* start the gadget right away if the ID pin says Mini-B */ - DBG("ID pin=%d\n", otg_dev->fsm.id); - if (otg_dev->fsm.id == 1) { -@@ -815,162 +784,6 @@ irqreturn_t fsl_otg_isr(int irq, void *d - } - - --#if 0 // DDD feta-final --irqreturn_t foo_fsl_otg_isr(int irq, void *dev_id) --{ -- struct otg_fsm *fsm = &((struct fsl_otg *)dev_id)->fsm; -- struct otg_transceiver *otg = &((struct fsl_otg *)dev_id)->otg; -- u32 otg_int_src, usb_int_src, otg_sc; -- int trigger = 0; -- int tmp; -- -- usb_int_src = fsl_readl(&usb_dr_regs->usbsts); -- otg_sc = fsl_readl(&usb_dr_regs->otgsc); -- otg_int_src = otg_sc & OTGSC_INTSTS_MASK & (otg_sc >> 8); -- -- /* Only clear otg interrupts */ -- fsl_writel(otg_sc, &usb_dr_regs->otgsc); -- -- /*FIXME: ID change not generate when init to 0 */ -- /* process OTG interrupts */ -- if (otg_int_src) { -- VDBG("\nOTG irq 0x%08x\n", otg_int_src); -- if (otg_int_src & OTGSC_INTSTS_1MS_TIMER) -- trigger = fsl_otg_tick_timer(); -- -- if (otg_int_src & OTGSC_INTSTS_USB_ID) { -- fsm->id = (otg_sc & OTGSC_STS_USB_ID) ? 1 : 0; -- otg->default_a = (fsm->id == 0); -- if (otg->host) -- otg->host->is_b_host = fsm->id; -- if (otg->gadget) -- otg->gadget->is_a_peripheral = !fsm->id; -- VDBG("IRQ=ID now=%d\n", fsm->id); -- -- if (fsm->id) { /* switch to gadget */ -- schedule_delayed_work(&((struct fsl_otg *) -- dev_id)->otg_event, 25); -- } else { /* switch to host */ -- cancel_delayed_work(& -- ((struct fsl_otg *)dev_id)-> -- otg_event); -- fsl_otg_start_gadget(fsm, 0); -- fsl_otg_drv_vbus(1); -- fsl_otg_start_host(fsm, 1); -- } -- -- return IRQ_HANDLED; -- } -- if (otg_int_src & OTGSC_INTSTS_DATA_PULSE) { -- fsm->a_srp_det = 1; -- trigger = 1; -- VDBG("!!!!Data pulse int\n"); -- } -- if (otg_int_src & OTGSC_INTSTS_A_SESSION_VALID) { -- fsm->a_sess_vld = -- (otg_sc & OTGSC_STS_A_SESSION_VALID) ? 1 : 0; -- /* detect VBUS pulsing */ -- if ((fsm->transceiver->state == OTG_STATE_A_IDLE) -- && fsm->a_sess_vld) -- fsm->a_srp_det = 1; -- trigger = 1; -- VDBG("!!!a_sess_vld int state=%d\n", fsm->a_sess_vld); -- } -- if (otg_int_src & OTGSC_INTSTS_A_VBUS_VALID) { -- fsm->a_vbus_vld = !!(otg_sc & OTGSC_STS_A_VBUS_VALID); -- trigger = 1; -- VDBG("!!!a_vbus_vld int state=%d\n", fsm->a_vbus_vld); -- --#if 1 -- if ((fsm->a_vbus_vld == 0) && (fsm->id == 0)) { -- if (fsm->transceiver->state != OTG_STATE_A_WAIT_VFALL) -- /* Warning insted of transfer to Error state. */ -- printk(KERN_WARNING "ulpi: The USB Device is " -- "sinking too much current!!\n"); -- fsm->a_vbus_vld = 1; -- } --#endif -- -- -- } -- if (otg_int_src & OTGSC_INTSTS_B_SESSION_VALID) { -- fsm->b_sess_vld = -- (otg_sc & OTGSC_STS_B_SESSION_VALID) ? 1 : 0; -- trigger = 1; -- /* SRP done */ -- if ((fsl_otg_dev->otg.state == OTG_STATE_B_SRP_INIT) && -- fsm->b_sess_vld && srp_wait_done) -- fsm->b_srp_done = 1; -- VDBG("!!!!b_sess_vld int state=%d\n", fsm->b_sess_vld); -- } -- if (otg_int_src & OTGSC_INTSTS_B_SESSION_END) { -- fsm->b_sess_end = -- (otg_sc & OTGSC_STS_B_SESSION_END) ? 1 : 0; -- trigger = 1; -- VDBG("!!!!b_sess_end int state=%d\n", fsm->b_sess_end); -- } -- } -- -- /* process USB interrupts */ -- if ((usb_int_src & USB_STS_PORT_CHANGE) -- && (fsm->protocol == PROTO_HOST)) { -- VDBG("\nUSB irq A 0x%08x\n", usb_int_src); -- /* Device resume do not generate statemachine change */ -- if (fsl_readl(&usb_dr_regs->portsc1) & -- PORTSCX_PORT_FORCE_RESUME) { -- if (otg->default_a) { -- fsm->b_bus_resume = 1; -- trigger = 1; -- } else { -- fsm->a_bus_resume = 1; -- trigger = 1; -- } -- } -- -- tmp = (fsl_readl(&usb_dr_regs->portsc1) & -- PORTSCX_CURRENT_CONNECT_STATUS) ? 1 : 0; -- if (otg->default_a && (fsm->b_conn != tmp)) { -- fsm->b_conn = tmp; -- trigger = 1; -- } else if (!otg->default_a && (fsm->a_conn != tmp)) { -- fsm->a_conn = tmp; -- trigger = 1; -- } -- } -- /* Workaround: sometimes CSC bit will lost. We change to -- * polling CCS bit for connect change */ -- if (fsm->protocol == PROTO_GADGET) { -- if (usb_int_src & USB_STS_SUSPEND) { -- VDBG("\nUSB irq B 0x%08x\n", usb_int_src); -- VDBG("peripheral detected suspend\n"); -- if (otg->default_a) -- /* A-device detects B suspend */ -- fsm->b_bus_suspend = 1; -- else -- /* B-device detects A suspend */ -- fsm->a_bus_suspend = 1; -- trigger = 1; -- } else if (usb_int_src & USB_STS_PORT_CHANGE) { -- VDBG("\nUSB irq C 0x%08x\n", usb_int_src); -- VDBG("peripheral resumed\n"); -- if (otg->default_a) -- fsm->b_bus_suspend = 0; -- else -- fsm->a_bus_suspend = 0; -- trigger = 1; -- } -- } -- -- /* Invoke statemachine until state is stable */ -- while (trigger) { -- trigger = otg_statemachine(fsm); -- } -- -- return IRQ_HANDLED; --} --#endif -- -- - static struct otg_fsm_ops fsl_otg_ops = { - .chrg_vbus = fsl_otg_chrg_vbus, - .drv_vbus = fsl_otg_drv_vbus, -@@ -1003,7 +816,6 @@ int fsl_otg_cfg(struct platform_device * - if (!fsl_otg_tc) - return -ENODEV; - --#if 1 // DDD - if (pdata->regs) { - fsl_otg_tc->dr_mem_map = pdata->regs; - } else { -@@ -1013,8 +825,10 @@ int fsl_otg_cfg(struct platform_device * - return -ENODEV; - } - -+ /* - printk("DDD %s(): rsrc_start=0x%x rsrc_len=0x%x\n", - __FUNCTION__, res->start, res->end - res->start + 1); -+ */ - - if (!request_mem_region(res->start, res->end - res->start + 1, - "OTG")) { -@@ -1026,7 +840,6 @@ int fsl_otg_cfg(struct platform_device * - } - DBG("set dr_mem_map to 0x%p\n", fsl_otg_tc->dr_mem_map); - --#endif - INIT_DELAYED_WORK(&fsl_otg_tc->otg_event, fsl_otg_event); - - INIT_LIST_HEAD(&active_timers); -@@ -1035,12 +848,11 @@ int fsl_otg_cfg(struct platform_device * - /* Set OTG state machine operations */ - fsl_otg_tc->fsm.ops = &fsl_otg_ops; - --#if 1 /* DDD */ - /* record initial state of ID pin */ - fsl_otg_tc->fsm.id = (fsl_otg_tc->dr_mem_map->otgsc & OTGSC_STS_USB_ID) - ? 1 : 0; - DBG("initial ID pin=%d\n", fsl_otg_tc->fsm.id); --#endif -+ - /* initialize the otg structure */ - fsl_otg_tc->otg.label = DRIVER_DESC; - fsl_otg_tc->otg.set_host = fsl_otg_set_host; -@@ -1115,13 +927,8 @@ int usb_otg_start(struct platform_device - __FUNCTION__, timeout); - - /* configure the VBUSHS as IDLE(both host and device) */ --#if 0 -- /* DDD really have to check into setting the following */ -- fsl_writel(USB_MODE_STREAM_DISABLE, &usb_dr_regs->usbmode); --#else - temp = USB_MODE_STREAM_DISABLE | (pdata->es ? USBMODE_ES : 0); - fsl_writel(temp, &usb_dr_regs->usbmode); --#endif - - /* configure PHY interface */ - temp = fsl_readl(&usb_dr_regs->portsc1); -@@ -1135,24 +942,11 @@ int usb_otg_start(struct platform_device - /* disable all interrupt and clear all OTGSC status */ - temp = fsl_readl(&usb_dr_regs->otgsc); - temp &= ~OTGSC_INTERRUPT_ENABLE_BITS_MASK; --#if 0 // DDD -- /* DDD only want ID int -- * temp |= OTGSC_INTERRUPT_STATUS_BITS_MASK | OTGSC_CTRL_VBUS_DISCHARGE; -- */ -- temp |= OTGSC_IE_USB_ID; /* DDD added this */ -- temp &= ~OTGSC_IE_1ms_TIMER; /* DDD added this */ --#else - temp |= OTGSC_INTERRUPT_STATUS_BITS_MASK | OTGSC_CTRL_VBUS_DISCHARGE; --#endif - fsl_writel(temp, &usb_dr_regs->otgsc); - - fsl_otg_drv_vbus(0); - --#if 0 // DDD beta-final -- temp = fsl_readl(&usb_dr_regs->otgsc); -- temp |= OTGSC_IE_A_SESSION_VALID; -- fsl_writel(temp, &usb_dr_regs->otgsc); --#else - /* - * The identification (id) input is FALSE when a Mini-A plug is inserted - * in the devices Mini-AB receptacle. Otherwise, this input is TRUE. -@@ -1173,7 +967,6 @@ int usb_otg_start(struct platform_device - temp |= OTGSC_IE_USB_ID; - temp &= ~(OTGSC_CTRL_VBUS_DISCHARGE | OTGSC_IE_1ms_TIMER); - fsl_writel(temp, &usb_dr_regs->otgsc); --#endif - - return 0; - } -@@ -1427,10 +1220,8 @@ static int __init fsl_otg_probe(struct p - return -ENOMEM; - - pdata = pdev->dev.platform_data; --#if 1 // DDD do this elsewhere - /* Initialize the clock, multiplexing pin and PHY interface */ - board_init(pdev); --#endif - - /* configure the OTG */ - status = fsl_otg_cfg(pdev); ---- a/drivers/usb/otg/otg_fsm.h -+++ b/drivers/usb/otg/otg_fsm.h -@@ -18,7 +18,7 @@ - #ifndef OTG_FSM_H - #define OTG_FSM_H - --#if 1 -+#if 0 - #define DEBUG 1 - #define VERBOSE 1 - #endif ---- a/include/linux/usb/fsl_usb2.h -+++ b/include/linux/usb/fsl_usb2.h -@@ -104,9 +104,8 @@ struct fsl_usb_host_regs { - #if 0 - u32 endptctrl[USB_MAX_ENDPOINTS]; /* Endpoint Control Registers */ - #else -- // DDD: do these exits in the host register set?? -- // DDD see DCCPARAMS:DEN for the real number of device endpoints -- // DDD 16 is the max -+ /* DDD see DCCPARAMS:DEN for the real number of device endpoints */ -+ /* DDD 16 is the max */ - u32 endptctrl[16]; /* Endpoint Control Registers */ - #endif - }; |