bcm53xx: add USB 2.0 support
authorFelix Fietkau <nbd@openwrt.org>
Wed, 15 Apr 2015 16:06:14 +0000 (16:06 +0000)
committerFelix Fietkau <nbd@openwrt.org>
Wed, 15 Apr 2015 16:06:14 +0000 (16:06 +0000)
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 45450

package/kernel/linux/modules/usb.mk
target/linux/bcm53xx/patches-3.18/190-bcma_hcd_add_bcm5301x_support.patch [new file with mode: 0644]
target/linux/bcm53xx/patches-3.18/191-bcma_hcd_add_gpio_power_control.patch [new file with mode: 0644]
target/linux/brcm47xx/modules.mk

index eea1fed..03a2c8a 100644 (file)
@@ -310,7 +310,9 @@ $(eval $(call KernelPackage,usb-uhci,1))
 
 define KernelPackage/usb-ohci
   TITLE:=Support for OHCI controllers
-  DEPENDS:=+TARGET_brcm47xx:kmod-usb-brcm47xx
+  DEPENDS:= \
+       +TARGET_brcm47xx:kmod-usb-bcma \
+       +TARGET_brcm47xx:kmod-usb-ssb
   KCONFIG:= \
        CONFIG_USB_OHCI \
        CONFIG_USB_OHCI_HCD \
@@ -385,11 +387,34 @@ endef
 
 $(eval $(call KernelPackage,usb2-omap))
 
+define KernelPackage/usb-bcma
+  TITLE:=Support for BCMA USB controllers
+  DEPENDS:=@USB_SUPPORT @TARGET_brcm47xx||TARGET_bcm53xx
+  KCONFIG:=CONFIG_USB_HCD_BCMA
+  FILES:= \
+       $(if $(CONFIG_USB_HCD_BCMA),$(LINUX_DIR)/drivers/usb/host/bcma-hcd.ko)
+  AUTOLOAD:=$(call AutoLoad,19,$(if $(CONFIG_USB_HCD_BCMA),bcma-hcd),1)
+  $(call AddDepends/usb)
+endef
+$(eval $(call KernelPackage,usb-bcma))
+
+define KernelPackage/usb-ssb
+  TITLE:=Support for SSB USB controllers
+  DEPENDS:=@USB_SUPPORT @TARGET_brcm47xx
+  KCONFIG:=CONFIG_USB_HCD_SSB
+  FILES:= \
+       $(if $(CONFIG_USB_HCD_SSB),$(LINUX_DIR)/drivers/usb/host/ssb-hcd.ko)
+  AUTOLOAD:=$(call AutoLoad,19,$(if $(CONFIG_USB_HCD_SSB),ssb-hcd),1)
+  $(call AddDepends/usb)
+endef
+$(eval $(call KernelPackage,usb-ssb))
 
 define KernelPackage/usb2
   TITLE:=Support for USB2 controllers
   DEPENDS:=\
-       +TARGET_brcm47xx:kmod-usb-brcm47xx \
+       +TARGET_brcm47xx:kmod-usb-bcma \
+       +TARGET_brcm47xx:kmod-usb-ssb \
+       +TARGET_bcm53xx:kmod-usb-bcma \
        +TARGET_mpc85xx:kmod-usb2-fsl
   KCONFIG:=\
        CONFIG_USB_EHCI_HCD \
diff --git a/target/linux/bcm53xx/patches-3.18/190-bcma_hcd_add_bcm5301x_support.patch b/target/linux/bcm53xx/patches-3.18/190-bcma_hcd_add_bcm5301x_support.patch
new file mode 100644 (file)
index 0000000..2e528b6
--- /dev/null
@@ -0,0 +1,122 @@
+Subject: [PATCH] bcma-hcd: add BCM5301x platform support
+
+Signed-off-by: Felix Fietkau <nbd@openwrt.org>
+---
+--- a/drivers/usb/host/bcma-hcd.c
++++ b/drivers/usb/host/bcma-hcd.c
+@@ -88,7 +88,7 @@ static void bcma_hcd_4716wa(struct bcma_
+ }
+ /* 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 +159,52 @@ static void bcma_hcd_init_chip(struct bc
+       }
+ }
++static void bcma_hcd_init_chip_arm(struct bcma_device *dev)
++{
++      struct bcma_device *arm_core;
++      void __iomem *dmu;
++      u32 val;
++
++      bcma_core_disable(dev, 0);
++      bcma_core_enable(dev, 0);
++
++      msleep(1);
++
++      /* 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);
++
++      if (dev->bus->chipinfo.pkg != BCMA_PKG_ID_BCM4707 &&
++          dev->bus->chipinfo.pkg != BCMA_PKG_ID_BCM4708)
++              return;
++
++      arm_core = bcma_find_core(dev->bus, BCMA_CORE_ARMCA9);
++      if (!arm_core)
++              return;
++
++      dmu = ioremap_nocache(arm_core->addr_s[0], 0x1000);
++      if (!dmu)
++              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 const struct usb_ehci_pdata ehci_pdata = {
+ };
+@@ -222,7 +268,8 @@ static int bcma_hcd_probe(struct bcma_de
+       chipinfo = &dev->bus->chipinfo;
+       /* USBcores are only connected on embedded devices. */
+       chipid_top = (chipinfo->id & 0xFF00);
+-      if (chipid_top != 0x4700 && chipid_top != 0x5300)
++      if (chipid_top != 0x4700 && chipid_top != 0x5300 &&
++          chipinfo->id != BCMA_CHIP_ID_BCM4707)
+               return -ENODEV;
+       /* TODO: Probably need checks here; is the core connected? */
+@@ -234,18 +281,23 @@ static int bcma_hcd_probe(struct bcma_de
+       if (!usb_dev)
+               return -ENOMEM;
+-      bcma_hcd_init_chip(dev);
+-
+-      /* In AI chips EHCI is addrspace 0, OHCI is 1 */
+-      ohci_addr = dev->addr_s[0];
+-      if ((chipinfo->id == 0x5357 || chipinfo->id == 0x4749)
+-          && chipinfo->rev == 0)
+-              ohci_addr = 0x18009000;
+-
+-      usb_dev->ohci_dev = bcma_hcd_create_pdev(dev, true, ohci_addr);
+-      if (IS_ERR(usb_dev->ohci_dev)) {
+-              err = PTR_ERR(usb_dev->ohci_dev);
+-              goto err_free_usb_dev;
++      if (IS_BUILTIN(CONFIG_ARCH_BCM_5301X) &&
++          chipinfo->id == BCMA_CHIP_ID_BCM4707) {
++              bcma_hcd_init_chip_arm(dev);
++      } else if(IS_BUILTIN(CONFIG_BCM47XX)) {
++              bcma_hcd_init_chip_mips(dev);
++
++              /* In AI chips EHCI is addrspace 0, OHCI is 1 */
++              ohci_addr = dev->addr_s[0];
++              if ((chipinfo->id == 0x5357 || chipinfo->id == 0x4749)
++                      && chipinfo->rev == 0)
++                      ohci_addr = 0x18009000;
++
++              usb_dev->ohci_dev = bcma_hcd_create_pdev(dev, true, ohci_addr);
++              if (IS_ERR(usb_dev->ohci_dev)) {
++                      err = PTR_ERR(usb_dev->ohci_dev);
++                      goto err_free_usb_dev;
++              }
+       }
+       usb_dev->ehci_dev = bcma_hcd_create_pdev(dev, false, dev->addr);
+@@ -306,6 +358,7 @@ 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),
+       BCMA_CORETABLE_END
+ };
+ MODULE_DEVICE_TABLE(bcma, bcma_hcd_table);
diff --git a/target/linux/bcm53xx/patches-3.18/191-bcma_hcd_add_gpio_power_control.patch b/target/linux/bcm53xx/patches-3.18/191-bcma_hcd_add_gpio_power_control.patch
new file mode 100644 (file)
index 0000000..9c45556
--- /dev/null
@@ -0,0 +1,62 @@
+Subject: [PATCH] bcma-hcd: add support for controlling bus power through GPIO
+
+Signed-off-by: Felix Fietkau <nbd@openwrt.org>
+---
+--- a/drivers/usb/host/bcma-hcd.c
++++ b/drivers/usb/host/bcma-hcd.c
+@@ -23,6 +23,8 @@
+ #include <linux/platform_device.h>
+ #include <linux/module.h>
+ #include <linux/slab.h>
++#include <linux/of.h>
++#include <linux/of_gpio.h>
+ #include <linux/usb/ehci_pdriver.h>
+ #include <linux/usb/ohci_pdriver.h>
+@@ -205,7 +207,38 @@ static void bcma_hcd_init_chip_arm(struc
+       iounmap(dmu);
+ }
++static void bcma_hci_platform_power_gpio(struct platform_device *dev, bool val)
++{
++      int gpio;
++
++      gpio = of_get_named_gpio(dev->dev.of_node, "vcc-gpio", 0);
++      if (!gpio_is_valid(gpio))
++              return;
++
++      if (val) {
++              gpio_request(gpio, "bcma-hcd-gpio");
++              gpio_set_value(gpio, 1);
++      } else {
++              gpio_set_value(gpio, 0);
++              gpio_free(gpio);
++      }
++}
++
++static int bcma_hci_platform_power_on(struct platform_device *dev)
++{
++      bcma_hci_platform_power_gpio(dev, true);
++      return 0;
++}
++
++static void bcma_hci_platform_power_off(struct platform_device *dev)
++{
++      bcma_hci_platform_power_gpio(dev, false);
++}
++
+ static const struct usb_ehci_pdata ehci_pdata = {
++    .power_on =               bcma_hci_platform_power_on,
++    .power_suspend =  bcma_hci_platform_power_off,
++    .power_off =      bcma_hci_platform_power_off,
+ };
+ static const struct usb_ohci_pdata ohci_pdata = {
+@@ -233,6 +266,7 @@ static struct platform_device *bcma_hcd_
+       hci_dev->dev.parent = &dev->dev;
+       hci_dev->dev.dma_mask = &hci_dev->dev.coherent_dma_mask;
++      hci_dev->dev.of_node = dev->dev.of_node;
+       ret = platform_device_add_resources(hci_dev, hci_res,
+                                           ARRAY_SIZE(hci_res));
index 94bc662..305643f 100644 (file)
@@ -5,25 +5,6 @@
 # See /LICENSE for more information.
 #
 
-define KernelPackage/usb-brcm47xx
-  SUBMENU:=$(USB_MENU)
-  TITLE:=Support for USB on bcm47xx
-  DEPENDS:=@USB_SUPPORT @TARGET_brcm47xx
-  KCONFIG:= \
-       CONFIG_USB_HCD_BCMA \
-       CONFIG_USB_HCD_SSB
-  FILES:= \
-       $(if $(CONFIG_USB_HCD_BCMA),$(LINUX_DIR)/drivers/usb/host/bcma-hcd.ko) \
-       $(if $(CONFIG_USB_HCD_SSB),$(LINUX_DIR)/drivers/usb/host/ssb-hcd.ko)
-  AUTOLOAD:=$(call AutoLoad,19, \
-       $(if $(CONFIG_USB_HCD_BCMA),bcma-hcd) \
-       $(if $(CONFIG_USB_HCD_SSB),ssb-hcd),1)
-  $(call AddDepends/usb)
-endef
-
-$(eval $(call KernelPackage,usb-brcm47xx))
-
-
 define KernelPackage/ocf-ubsec-ssb
   TITLE:=BCM5365P IPSec Core driver
   DEPENDS:=@TARGET_brcm47xx @!TARGET_brcm47xx_mips74k +kmod-crypto-ocf