diff options
| -rw-r--r-- | target/linux/bcm53xx/patches-4.1/191-usb-xhci-add-Broadcom-specific-fake-doorbell.patch | 135 | ||||
| -rw-r--r-- | target/linux/bcm53xx/patches-4.1/195-USB-bcma-make-helper-creating-platform-dev-more-gene.patch (renamed from target/linux/bcm53xx/patches-4.1/810-USB-bcma-make-helper-creating-platform-dev-more-gene.patch) | 6 | ||||
| -rw-r--r-- | target/linux/bcm53xx/patches-4.1/196-USB-bcma-use-separated-function-for-USB-2.0-initiali.patch (renamed from target/linux/bcm53xx/patches-4.1/811-USB-bcma-use-separated-function-for-USB-2.0-initiali.patch) | 6 | ||||
| -rw-r--r-- | target/linux/bcm53xx/patches-4.1/197-USB-bcma-add-USB-3.0-support.patch (renamed from target/linux/bcm53xx/patches-4.1/812-USB-bcma-add-USB-3.0-support.patch) | 41 | ||||
| -rw-r--r-- | target/linux/bcm53xx/patches-4.1/198-USB-bcma-fix-setting-VCC-GPIO-value.patch (renamed from target/linux/bcm53xx/patches-4.1/813-USB-bcma-fix-setting-VCC-GPIO-value.patch) | 19 | ||||
| -rw-r--r-- | target/linux/bcm53xx/patches-4.1/820-xhci-add-Broadcom-specific-fake-doorbell.patch | 94 |
6 files changed, 188 insertions, 113 deletions
diff --git a/target/linux/bcm53xx/patches-4.1/191-usb-xhci-add-Broadcom-specific-fake-doorbell.patch b/target/linux/bcm53xx/patches-4.1/191-usb-xhci-add-Broadcom-specific-fake-doorbell.patch new file mode 100644 index 0000000..0209e68 --- /dev/null +++ b/target/linux/bcm53xx/patches-4.1/191-usb-xhci-add-Broadcom-specific-fake-doorbell.patch @@ -0,0 +1,135 @@ +From dd0e5f9a6a4aed849bdb80641c2a2350476cede7 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com> +Date: Sun, 21 Jun 2015 11:10:49 +0200 +Subject: [PATCH v3 2/6] usb: xhci: add Broadcom specific fake doorbell +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +This fixes problem with controller seeing devices only in some small +percentage of cold boots. +This quirk is also added to the platform data so we can activate it +when we register our platform driver. + +Signed-off-by: Rafał Miłecki <zajec5@gmail.com> +Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> +--- + drivers/usb/host/xhci-plat.c | 3 +++ + drivers/usb/host/xhci.c | 57 +++++++++++++++++++++++++++++++++++++--- + drivers/usb/host/xhci.h | 1 + + include/linux/usb/xhci_pdriver.h | 1 + + 4 files changed, 59 insertions(+), 3 deletions(-) + +--- a/drivers/usb/host/xhci-plat.c ++++ b/drivers/usb/host/xhci-plat.c +@@ -42,6 +42,9 @@ static void xhci_plat_quirks(struct devi + if ((node && of_property_read_bool(node, "usb3-lpm-capable")) || + (pdata && pdata->usb3_lpm_capable)) + xhci->quirks |= XHCI_LPM_SUPPORT; ++ ++ if (pdata && pdata->usb3_fake_doorbell) ++ xhci->quirks |= XHCI_FAKE_DOORBELL; + } + + /* called during probe() after chip reset completes */ +--- a/drivers/usb/host/xhci.c ++++ b/drivers/usb/host/xhci.c +@@ -121,6 +121,39 @@ int xhci_halt(struct xhci_hcd *xhci) + return ret; + } + ++static int xhci_fake_doorbell(struct xhci_hcd *xhci, int slot_id) ++{ ++ u32 temp; ++ ++ /* alloc a virt device for slot */ ++ if (!xhci_alloc_virt_device(xhci, slot_id, NULL, GFP_NOIO)) { ++ xhci_warn(xhci, "Could not allocate xHCI USB device data structures\n"); ++ return -ENOMEM; ++ } ++ ++ /* ring fake doorbell for slot_id ep 0 */ ++ xhci_ring_ep_doorbell(xhci, slot_id, 0, 0); ++ usleep_range(1000, 1500); ++ ++ /* read the status register to check if HSE is set or not? */ ++ temp = readl(&xhci->op_regs->status); ++ ++ /* clear HSE if set */ ++ if (temp & STS_FATAL) { ++ xhci_dbg(xhci, "HSE problem detected, status: 0x%x\n", temp); ++ temp &= ~(0x1fff); ++ temp |= STS_FATAL; ++ writel(temp, &xhci->op_regs->status); ++ usleep_range(1000, 1500); ++ readl(&xhci->op_regs->status); ++ } ++ ++ /* Free virt device */ ++ xhci_free_virt_device(xhci, slot_id); ++ ++ return 0; ++} ++ + /* + * Set the run bit and wait for the host to be running. + */ +@@ -556,10 +589,25 @@ int xhci_init(struct usb_hcd *hcd) + + static int xhci_run_finished(struct xhci_hcd *xhci) + { +- if (xhci_start(xhci)) { +- xhci_halt(xhci); +- return -ENODEV; ++ int err; ++ ++ err = xhci_start(xhci); ++ if (err) { ++ err = -ENODEV; ++ goto out_err; ++ } ++ if (xhci->quirks & XHCI_FAKE_DOORBELL) { ++ err = xhci_fake_doorbell(xhci, 1); ++ if (err) ++ goto out_err; ++ ++ err = xhci_start(xhci); ++ if (err) { ++ err = -ENODEV; ++ goto out_err; ++ } + } ++ + xhci->shared_hcd->state = HC_STATE_RUNNING; + xhci->cmd_ring_state = CMD_RING_STATE_RUNNING; + +@@ -569,6 +617,9 @@ static int xhci_run_finished(struct xhci + xhci_dbg_trace(xhci, trace_xhci_dbg_init, + "Finished xhci_run for USB3 roothub"); + return 0; ++out_err: ++ xhci_halt(xhci); ++ return err; + } + + /* +--- a/drivers/usb/host/xhci.h ++++ b/drivers/usb/host/xhci.h +@@ -1568,6 +1568,7 @@ struct xhci_hcd { + /* For controllers with a broken beyond repair streams implementation */ + #define XHCI_BROKEN_STREAMS (1 << 19) + #define XHCI_PME_STUCK_QUIRK (1 << 20) ++#define XHCI_FAKE_DOORBELL (1 << 21) + unsigned int num_active_eps; + unsigned int limit_active_eps; + /* There are two roothubs to keep track of bus suspend info for */ +--- a/include/linux/usb/xhci_pdriver.h ++++ b/include/linux/usb/xhci_pdriver.h +@@ -22,6 +22,7 @@ + */ + struct usb_xhci_pdata { + unsigned usb3_lpm_capable:1; ++ unsigned usb3_fake_doorbell:1; + }; + + #endif /* __USB_CORE_XHCI_PDRIVER_H */ diff --git a/target/linux/bcm53xx/patches-4.1/810-USB-bcma-make-helper-creating-platform-dev-more-gene.patch b/target/linux/bcm53xx/patches-4.1/195-USB-bcma-make-helper-creating-platform-dev-more-gene.patch index d331ae6..1e28857 100644 --- a/target/linux/bcm53xx/patches-4.1/810-USB-bcma-make-helper-creating-platform-dev-more-gene.patch +++ b/target/linux/bcm53xx/patches-4.1/195-USB-bcma-make-helper-creating-platform-dev-more-gene.patch @@ -1,7 +1,8 @@ -From 5b4fed9fc917cc2bfc5297eeab03aeba5d340618 Mon Sep 17 00:00:00 2001 +From c7c7bf7fcbacadac7781783de25fe1e13e2a2c35 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com> Date: Tue, 16 Jun 2015 12:33:46 +0200 -Subject: [PATCH] USB: bcma: make helper creating platform dev more generic +Subject: [PATCH v3 3/6] usb: bcma: make helper creating platform dev more + generic MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit @@ -10,6 +11,7 @@ Having "bool ohci" argument bounded us to two cases only and didn't allow re-using this code for XHCI. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> +Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> --- drivers/usb/host/bcma-hcd.c | 24 +++++++++++++----------- 1 file changed, 13 insertions(+), 11 deletions(-) diff --git a/target/linux/bcm53xx/patches-4.1/811-USB-bcma-use-separated-function-for-USB-2.0-initiali.patch b/target/linux/bcm53xx/patches-4.1/196-USB-bcma-use-separated-function-for-USB-2.0-initiali.patch index 758b0ac..d636e86 100644 --- a/target/linux/bcm53xx/patches-4.1/811-USB-bcma-use-separated-function-for-USB-2.0-initiali.patch +++ b/target/linux/bcm53xx/patches-4.1/196-USB-bcma-use-separated-function-for-USB-2.0-initiali.patch @@ -1,7 +1,8 @@ -From 4aed231f49954114d5ae23e97789e9aa540a0b70 Mon Sep 17 00:00:00 2001 +From fa5622c2fadae573dd6b0f5bffe436b230b411f6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com> Date: Tue, 16 Jun 2015 12:52:07 +0200 -Subject: [PATCH] USB: bcma: use separated function for USB 2.0 initialization +Subject: [PATCH v3 4/6] usb: bcma: use separated function for USB 2.0 + initialization MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit @@ -9,6 +10,7 @@ Content-Transfer-Encoding: 8bit This will allow adding USB 3.0 (XHCI) support cleanly. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> +Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> --- drivers/usb/host/bcma-hcd.c | 51 +++++++++++++++++++++++++++++++-------------- 1 file changed, 35 insertions(+), 16 deletions(-) diff --git a/target/linux/bcm53xx/patches-4.1/812-USB-bcma-add-USB-3.0-support.patch b/target/linux/bcm53xx/patches-4.1/197-USB-bcma-add-USB-3.0-support.patch index 3875da4..f477a1b 100644 --- a/target/linux/bcm53xx/patches-4.1/812-USB-bcma-add-USB-3.0-support.patch +++ b/target/linux/bcm53xx/patches-4.1/197-USB-bcma-add-USB-3.0-support.patch @@ -1,19 +1,28 @@ -From 12c6932caa6b1fce44d0f0c68ec77d4c00ac0be7 Mon Sep 17 00:00:00 2001 +From 121ec6539abedbc0e975cf35f48ee044b323e4c3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com> Date: Tue, 16 Jun 2015 17:14:26 +0200 -Subject: [PATCH] USB: bcma: add USB 3.0 support +Subject: [PATCH v3 5/6] usb: bcma: add USB 3.0 support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Rafał Miłecki <zajec5@gmail.com> +Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> --- - drivers/usb/host/bcma-hcd.c | 219 ++++++++++++++++++++++++++++++++++++++++++++ - 1 file changed, 219 insertions(+) + drivers/usb/host/bcma-hcd.c | 225 ++++++++++++++++++++++++++++++++++++++++++++ + 1 file changed, 225 insertions(+) --- a/drivers/usb/host/bcma-hcd.c +++ b/drivers/usb/host/bcma-hcd.c -@@ -37,6 +37,7 @@ struct bcma_hcd_device { +@@ -28,6 +28,7 @@ + #include <linux/of_gpio.h> + #include <linux/usb/ehci_pdriver.h> + #include <linux/usb/ohci_pdriver.h> ++#include <linux/usb/xhci_pdriver.h> + + MODULE_AUTHOR("Hauke Mehrtens"); + MODULE_DESCRIPTION("Common USB driver for BCMA Bus"); +@@ -37,6 +38,7 @@ struct bcma_hcd_device { struct bcma_device *core; struct platform_device *ehci_dev; struct platform_device *ohci_dev; @@ -21,7 +30,18 @@ Signed-off-by: Rafał Miłecki <zajec5@gmail.com> }; /* Wait for bitmask in a register to get set or cleared. -@@ -343,6 +344,215 @@ err_unregister_ohci_dev: +@@ -250,6 +252,10 @@ static const struct usb_ehci_pdata ehci_ + static const struct usb_ohci_pdata ohci_pdata = { + }; + ++static const struct usb_xhci_pdata xhci_pdata = { ++ .usb3_fake_doorbell = 1 ++}; ++ + static struct platform_device *bcma_hcd_create_pdev(struct bcma_device *dev, + const char *name, u32 addr, + const void *data, +@@ -343,6 +349,216 @@ err_unregister_ohci_dev: return err; } @@ -227,7 +247,8 @@ Signed-off-by: Rafał Miłecki <zajec5@gmail.com> + bcma_hcd_usb30_phy_init(bcma_hcd); + + bcma_hcd->xhci_dev = bcma_hcd_create_pdev(core, "xhci-hcd", core->addr, -+ NULL, 0); ++ &xhci_pdata, ++ sizeof(xhci_pdata)); + if (IS_ERR(bcma_hcd->ohci_dev)) + return PTR_ERR(bcma_hcd->ohci_dev); + @@ -237,7 +258,7 @@ Signed-off-by: Rafał Miłecki <zajec5@gmail.com> static int bcma_hcd_probe(struct bcma_device *dev) { int err; -@@ -365,6 +575,11 @@ static int bcma_hcd_probe(struct bcma_de +@@ -365,6 +581,11 @@ static int bcma_hcd_probe(struct bcma_de if (err) return err; break; @@ -249,7 +270,7 @@ Signed-off-by: Rafał Miłecki <zajec5@gmail.com> default: return -ENODEV; } -@@ -378,11 +593,14 @@ static void bcma_hcd_remove(struct bcma_ +@@ -378,11 +599,14 @@ static void bcma_hcd_remove(struct bcma_ struct bcma_hcd_device *usb_dev = bcma_get_drvdata(dev); struct platform_device *ohci_dev = usb_dev->ohci_dev; struct platform_device *ehci_dev = usb_dev->ehci_dev; @@ -264,7 +285,7 @@ Signed-off-by: Rafał Miłecki <zajec5@gmail.com> bcma_core_disable(dev, 0); } -@@ -419,6 +637,7 @@ static int bcma_hcd_resume(struct bcma_d +@@ -419,6 +643,7 @@ static int bcma_hcd_resume(struct bcma_d static const struct bcma_device_id bcma_hcd_table[] = { BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_USB20_HOST, BCMA_ANY_REV, BCMA_ANY_CLASS), BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_NS_USB20, BCMA_ANY_REV, BCMA_ANY_CLASS), diff --git a/target/linux/bcm53xx/patches-4.1/813-USB-bcma-fix-setting-VCC-GPIO-value.patch b/target/linux/bcm53xx/patches-4.1/198-USB-bcma-fix-setting-VCC-GPIO-value.patch index 9ba3bde..7593293 100644 --- a/target/linux/bcm53xx/patches-4.1/813-USB-bcma-fix-setting-VCC-GPIO-value.patch +++ b/target/linux/bcm53xx/patches-4.1/198-USB-bcma-fix-setting-VCC-GPIO-value.patch @@ -1,7 +1,7 @@ -From bdc3b01d94b22f8b5f9621a1c37336e78f4f1bce Mon Sep 17 00:00:00 2001 +From 7572673e06393b117f87b20b82be0518634d7042 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com> Date: Sun, 21 Jun 2015 12:09:57 +0200 -Subject: [PATCH] USB: bcma: fix setting VCC GPIO value +Subject: [PATCH v3 6/6] usb: bcma: fix setting VCC GPIO value MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit @@ -10,13 +10,22 @@ It wasn't working (on most of devices?) without setting GPIO direction and wasn't respecting ACTIVE_LOW flag. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> +Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> --- - drivers/usb/host/bcma-hcd.c | 13 +++++++++---- - 1 file changed, 9 insertions(+), 4 deletions(-) + drivers/usb/host/bcma-hcd.c | 14 ++++++++++---- + 1 file changed, 10 insertions(+), 4 deletions(-) --- a/drivers/usb/host/bcma-hcd.c +++ b/drivers/usb/host/bcma-hcd.c -@@ -230,17 +230,22 @@ static void bcma_hcd_init_chip_arm(struc +@@ -26,6 +26,7 @@ + #include <linux/slab.h> + #include <linux/of.h> + #include <linux/of_gpio.h> ++#include <linux/gpio/consumer.h> + #include <linux/usb/ehci_pdriver.h> + #include <linux/usb/ohci_pdriver.h> + #include <linux/usb/xhci_pdriver.h> +@@ -231,17 +232,22 @@ static void bcma_hcd_init_chip_arm(struc static void bcma_hci_platform_power_gpio(struct bcma_device *dev, bool val) { diff --git a/target/linux/bcm53xx/patches-4.1/820-xhci-add-Broadcom-specific-fake-doorbell.patch b/target/linux/bcm53xx/patches-4.1/820-xhci-add-Broadcom-specific-fake-doorbell.patch deleted file mode 100644 index 04d3543..0000000 --- a/target/linux/bcm53xx/patches-4.1/820-xhci-add-Broadcom-specific-fake-doorbell.patch +++ /dev/null @@ -1,94 +0,0 @@ -From 9cc14ca0aae53c16d10ffea49848ac61a5015562 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com> -Date: Sun, 21 Jun 2015 11:10:49 +0200 -Subject: [PATCH] xhci: add Broadcom specific fake doorbell -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -This fixes problem with controller seeing devices only in some small -percentage of cold boots. - -Signed-off-by: Rafał Miłecki <zajec5@gmail.com> ---- - drivers/usb/host/xhci.c | 62 +++++++++++++++++++++++++++++++++++++++++++++++++ - 1 file changed, 62 insertions(+) - ---- a/drivers/usb/host/xhci.c -+++ b/drivers/usb/host/xhci.c -@@ -121,6 +121,64 @@ int xhci_halt(struct xhci_hcd *xhci) - return ret; - } - -+#ifdef CONFIG_ARCH_BCM_5301X -+int xhci_fake_doorbell(struct xhci_hcd *xhci, int slot_id) -+{ -+ unsigned int temp1, ret; -+ -+ /* alloc a virt device for slot */ -+ if (!xhci_alloc_virt_device(xhci, slot_id, 0, GFP_NOIO)) { -+ xhci_warn(xhci, "Could not allocate xHCI USB device data structures\n"); -+ return 1; -+ } -+ -+ /* ring fake doorbell for slot_id ep 0 */ -+ xhci_ring_ep_doorbell(xhci, slot_id, 0, 0); -+ mdelay(1); -+ -+ /* read the status register to check if HSE is set or not? */ -+ temp1 = readl(&xhci->op_regs->status); -+ xhci_dbg(xhci, "op reg status = %x\n",temp1); -+ -+ /* clear HSE if set */ -+ if(temp1 & STS_FATAL) { -+ xhci_dbg(xhci, "HSE problem detected\n"); -+ temp1 &= ~(0x1fff); -+ temp1 |= STS_FATAL; -+ xhci_dbg(xhci, "temp1=%x\n",temp1); -+ writel(temp1, &xhci->op_regs->status); -+ mdelay(1); -+ temp1 = readl(&xhci->op_regs->status); -+ xhci_dbg(xhci, "After clear op reg status=%x\n", temp1); -+ } -+ -+ /* Free virt device */ -+ xhci_free_virt_device(xhci, slot_id); -+ -+ /* Run the controller if needed */ -+ temp1 = readl(&xhci->op_regs->command); -+ if (temp1 & CMD_RUN) -+ return 0; -+ temp1 |= (CMD_RUN); -+ -+ writel(temp1, &xhci->op_regs->command); -+ /* -+ * Wait for the HCHalted Status bit to be 0 to indicate the host is running. -+ */ -+ ret = xhci_handshake(&xhci->op_regs->status, -+ STS_HALT, 0, XHCI_MAX_HALT_USEC); -+ -+ if (ret == -ETIMEDOUT) { -+ xhci_err(xhci, "Host took too long to start, " -+ "waited %u microseconds.\n", -+ XHCI_MAX_HALT_USEC); -+ return 1; -+ } -+ -+ return 0; -+} -+#endif /* CONFIG_ARCH_BCM_5301X */ -+ - /* - * Set the run bit and wait for the host to be running. - */ -@@ -145,6 +203,10 @@ static int xhci_start(struct xhci_hcd *x - xhci_err(xhci, "Host took too long to start, " - "waited %u microseconds.\n", - XHCI_MAX_HALT_USEC); -+#ifdef CONFIG_ARCH_BCM_5301X -+ xhci_fake_doorbell(xhci, 1); -+#endif /* CONFIG_ARCH_BCM_5301X */ -+ - if (!ret) - xhci->xhc_state &= ~XHCI_STATE_HALTED; - return ret; |