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authorFelix Fietkau <nbd@openwrt.org>2015-04-15 16:06:14 +0000
committerFelix Fietkau <nbd@openwrt.org>2015-04-15 16:06:14 +0000
commit83e31eb7e74809d95742dab4f02a18f11bb153bc (patch)
tree6ad0bebaf793c53371d10393d100b7041a1ee535 /target/linux/bcm53xx
parentf1119373f2eead74abfca50510e83e0b1c41a49e (diff)
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bcm53xx: add USB 2.0 support
Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 45450
Diffstat (limited to 'target/linux/bcm53xx')
-rw-r--r--target/linux/bcm53xx/patches-3.18/190-bcma_hcd_add_bcm5301x_support.patch122
-rw-r--r--target/linux/bcm53xx/patches-3.18/191-bcma_hcd_add_gpio_power_control.patch62
2 files changed, 184 insertions, 0 deletions
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
index 0000000000..2e528b6a0b
--- /dev/null
+++ b/target/linux/bcm53xx/patches-3.18/190-bcma_hcd_add_bcm5301x_support.patch
@@ -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
index 0000000000..9c45556ec9
--- /dev/null
+++ b/target/linux/bcm53xx/patches-3.18/191-bcma_hcd_add_gpio_power_control.patch
@@ -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));