diff options
Diffstat (limited to 'target/linux/bcm53xx/patches-3.18/184-USB-bcma-add-bcm53xx-support.patch')
| -rw-r--r-- | target/linux/bcm53xx/patches-3.18/184-USB-bcma-add-bcm53xx-support.patch | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/target/linux/bcm53xx/patches-3.18/184-USB-bcma-add-bcm53xx-support.patch b/target/linux/bcm53xx/patches-3.18/184-USB-bcma-add-bcm53xx-support.patch new file mode 100644 index 0000000000..d7980fa4fa --- /dev/null +++ b/target/linux/bcm53xx/patches-3.18/184-USB-bcma-add-bcm53xx-support.patch @@ -0,0 +1,138 @@ +From b65851f41c22b8c69b8fe9ca7782d19ed2155efc Mon Sep 17 00:00:00 2001 +From: Hauke Mehrtens <hauke@hauke-m.de> +Date: Thu, 11 Jun 2015 22:57:39 +0200 +Subject: [PATCH] USB: bcma: add bcm53xx support + +The Broadcom ARM SoCs with this usb core need a different +initialization and they have a different core id. This patch adds +support for these USB 2.0 core. + +Signed-off-by: Felix Fietkau <nbd@openwrt.org> +Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> +--- + drivers/usb/host/bcma-hcd.c | 81 +++++++++++++++++++++++++++++++++++++++++++-- + 1 file changed, 78 insertions(+), 3 deletions(-) + +diff --git a/drivers/usb/host/bcma-hcd.c b/drivers/usb/host/bcma-hcd.c +index 8a38313..983bc67 100644 +--- a/drivers/usb/host/bcma-hcd.c ++++ b/drivers/usb/host/bcma-hcd.c +@@ -2,7 +2,8 @@ + * Broadcom specific Advanced Microcontroller Bus + * Broadcom USB-core driver (BCMA bus glue) + * +- * Copyright 2011-2012 Hauke Mehrtens <hauke@hauke-m.de> ++ * Copyright 2011-2015 Hauke Mehrtens <hauke@hauke-m.de> ++ * Copyright 2015 Felix Fietkau <nbd@openwrt.org> + * + * Based on ssb-ohci driver + * Copyright 2007 Michael Buesch <m@bues.ch> +@@ -88,7 +89,7 @@ static void bcma_hcd_4716wa(struct bcma_device *dev) + } + + /* based on arch/mips/brcm-boards/bcm947xx/pcibios.c */ +-static void bcma_hcd_init_chip(struct bcma_device *dev) ++static void bcma_hcd_init_chip_mips(struct bcma_device *dev) + { + u32 tmp; + +@@ -159,6 +160,70 @@ static void bcma_hcd_init_chip(struct bcma_device *dev) + } + } + ++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) ++{ ++ 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; ++ val |= 0x80 << 16; ++ bcma_write32(dev, 0x94, val); ++ ++ /* Enable break memory transfer */ ++ val = bcma_read32(dev, 0x9c); ++ val |= 1; ++ bcma_write32(dev, 0x9c, val); ++} ++ ++static void bcma_hcd_init_chip_arm(struct bcma_device *dev) ++{ ++ bcma_core_enable(dev, 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); ++ ++ bcma_hcd_init_chip_arm_hc(dev); ++ } ++} ++ + static const struct usb_ehci_pdata ehci_pdata = { + }; + +@@ -230,7 +295,16 @@ static int bcma_hcd_probe(struct bcma_device *dev) + if (!usb_dev) + return -ENOMEM; + +- bcma_hcd_init_chip(dev); ++ 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; ++ } + + /* In AI chips EHCI is addrspace 0, OHCI is 1 */ + ohci_addr = dev->addr_s[0]; +@@ -299,6 +373,7 @@ static int bcma_hcd_resume(struct bcma_device *dev) + + 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), + BCMA_CORETABLE_END + }; + MODULE_DEVICE_TABLE(bcma, bcma_hcd_table); +-- +1.8.4.5 + |