diff options
Diffstat (limited to 'target/linux/bcm53xx/patches-4.4/082-0003-USB-bcma-drop-Northstar-PHY-2.0-initialization-code.patch')
| -rw-r--r-- | target/linux/bcm53xx/patches-4.4/082-0003-USB-bcma-drop-Northstar-PHY-2.0-initialization-code.patch | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/target/linux/bcm53xx/patches-4.4/082-0003-USB-bcma-drop-Northstar-PHY-2.0-initialization-code.patch b/target/linux/bcm53xx/patches-4.4/082-0003-USB-bcma-drop-Northstar-PHY-2.0-initialization-code.patch deleted file mode 100644 index 0af94e6..0000000 --- a/target/linux/bcm53xx/patches-4.4/082-0003-USB-bcma-drop-Northstar-PHY-2.0-initialization-code.patch +++ /dev/null @@ -1,136 +0,0 @@ -From e8624859dde2ad07633dac7ec86629a516411ea1 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> -Date: Wed, 21 Sep 2016 18:01:43 +0200 -Subject: [PATCH] USB: bcma: drop Northstar PHY 2.0 initialization code -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -This driver should initialize controller only, PHY initialization should -be handled by separated PHY driver. We already have phy-bcm-ns-usb2 in -place so let it makes its duty. - -Signed-off-by: Rafał Miłecki <rafal@milecki.pl> -Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> ---- - drivers/usb/host/bcma-hcd.c | 80 ++++++++++++++------------------------------- - 1 file changed, 25 insertions(+), 55 deletions(-) - ---- a/drivers/usb/host/bcma-hcd.c -+++ b/drivers/usb/host/bcma-hcd.c -@@ -239,44 +239,10 @@ static int bcma_hcd_usb20_old_arm_init(s - return 0; - } - --static void bcma_hcd_init_chip_arm_phy(struct bcma_device *dev) --{ -- struct bcma_device *arm_core; -- void __iomem *dmu; -- -- arm_core = bcma_find_core(dev->bus, BCMA_CORE_ARMCA9); -- if (!arm_core) { -- dev_err(&dev->dev, "can not find ARM Cortex A9 ihost core\n"); -- return; -- } -- -- dmu = ioremap_nocache(arm_core->addr_s[0], 0x1000); -- if (!dmu) { -- dev_err(&dev->dev, "can not map ARM Cortex A9 ihost core\n"); -- return; -- } -- -- /* Unlock DMU PLL settings */ -- iowrite32(0x0000ea68, dmu + 0x180); -- -- /* Write USB 2.0 PLL control setting */ -- iowrite32(0x00dd10c3, dmu + 0x164); -- -- /* Lock DMU PLL settings */ -- iowrite32(0x00000000, dmu + 0x180); -- -- iounmap(dmu); --} -- --static void bcma_hcd_init_chip_arm_hc(struct bcma_device *dev) -+static void bcma_hcd_usb20_ns_init_hc(struct bcma_device *dev) - { - u32 val; - -- /* -- * Delay after PHY initialized to ensure HC is ready to be configured -- */ -- usleep_range(1000, 2000); -- - /* Set packet buffer OUT threshold */ - val = bcma_read32(dev, 0x94); - val &= 0xffff; -@@ -287,20 +253,33 @@ static void bcma_hcd_init_chip_arm_hc(st - val = bcma_read32(dev, 0x9c); - val |= 1; - bcma_write32(dev, 0x9c, val); -+ -+ /* -+ * Broadcom initializes PHY and then waits to ensure HC is ready to be -+ * configured. In our case the order is reversed. We just initialized -+ * controller and we let HCD initialize PHY, so let's wait (sleep) now. -+ */ -+ usleep_range(1000, 2000); - } - --static void bcma_hcd_init_chip_arm(struct bcma_device *dev) -+/** -+ * bcma_hcd_usb20_ns_init - Initialize Northstar USB 2.0 controller -+ */ -+static int bcma_hcd_usb20_ns_init(struct bcma_hcd_device *bcma_hcd) - { -- bcma_core_enable(dev, 0); -+ struct bcma_device *core = bcma_hcd->core; -+ struct bcma_chipinfo *ci = &core->bus->chipinfo; -+ struct device *dev = &core->dev; -+ -+ bcma_core_enable(core, 0); - -- if (dev->bus->chipinfo.id == BCMA_CHIP_ID_BCM4707 || -- dev->bus->chipinfo.id == BCMA_CHIP_ID_BCM53018) { -- if (dev->bus->chipinfo.pkg == BCMA_PKG_ID_BCM4707 || -- dev->bus->chipinfo.pkg == BCMA_PKG_ID_BCM4708) -- bcma_hcd_init_chip_arm_phy(dev); -+ if (ci->id == BCMA_CHIP_ID_BCM4707 || -+ ci->id == BCMA_CHIP_ID_BCM53018) -+ bcma_hcd_usb20_ns_init_hc(core); - -- bcma_hcd_init_chip_arm_hc(dev); -- } -+ of_platform_default_populate(dev->of_node, NULL, dev); -+ -+ return 0; - } - - static void bcma_hci_platform_power_gpio(struct bcma_device *dev, bool val) -@@ -373,16 +352,7 @@ static int bcma_hcd_usb20_init(struct bc - if (dma_set_mask_and_coherent(dev->dma_dev, DMA_BIT_MASK(32))) - return -EOPNOTSUPP; - -- switch (dev->id.id) { -- case BCMA_CORE_NS_USB20: -- bcma_hcd_init_chip_arm(dev); -- break; -- case BCMA_CORE_USB20_HOST: -- bcma_hcd_init_chip_mips(dev); -- break; -- default: -- return -ENODEV; -- } -+ bcma_hcd_init_chip_mips(dev); - - /* In AI chips EHCI is addrspace 0, OHCI is 1 */ - ohci_addr = dev->addr_s[0]; -@@ -451,7 +421,7 @@ static int bcma_hcd_probe(struct bcma_de - err = -ENOTSUPP; - break; - case BCMA_CORE_NS_USB20: -- err = bcma_hcd_usb20_init(usb_dev); -+ err = bcma_hcd_usb20_ns_init(usb_dev); - break; - case BCMA_CORE_NS_USB30: - err = bcma_hcd_usb30_init(usb_dev); |