OpenWrt – Rev 1
?pathlinks?
--- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
+++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
@@ -659,6 +659,7 @@
#define AR933X_BOOTSTRAP_MDIO_GPIO_EN BIT(18)
#define AR933X_BOOTSTRAP_EEPBUSY BIT(4)
+#define AR933X_BOOTSTRAP_USB_MODE_HOST BIT(3)
#define AR933X_BOOTSTRAP_REF_CLK_40 BIT(0)
#define AR934X_BOOTSTRAP_SW_OPTION8 BIT(23)
@@ -688,6 +689,8 @@
#define QCA956X_BOOTSTRAP_REF_CLK_40 BIT(2)
+#define AR933X_USB_CONFIG_HOST_ONLY BIT(8)
+
#define AR934X_PCIE_WMAC_INT_WMAC_MISC BIT(0)
#define AR934X_PCIE_WMAC_INT_WMAC_TX BIT(1)
#define AR934X_PCIE_WMAC_INT_WMAC_RXLP BIT(2)
--- a/arch/mips/ath79/dev-usb.c
+++ b/arch/mips/ath79/dev-usb.c
@@ -19,6 +19,9 @@
#include <linux/platform_device.h>
#include <linux/usb/ehci_pdriver.h>
#include <linux/usb/ohci_pdriver.h>
+#include <linux/usb/otg.h>
+#include <linux/usb/chipidea.h>
+#include <linux/usb/usb_phy_generic.h>
#include <asm/mach-ath79/ath79.h>
#include <asm/mach-ath79/ar71xx_regs.h>
@@ -170,6 +173,44 @@ static void __init ar913x_usb_setup(void
&ath79_ehci_pdata_v2, sizeof(ath79_ehci_pdata_v2));
}
+static void __init ar9xxx_ci_usb_setup(int bus_id, int irq)
+{
+ struct ci_hdrc_platform_data ci_pdata;
+ bool host_mode = true;
+
+ if (soc_is_ar933x())
+ host_mode = ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP) &
+ AR933X_BOOTSTRAP_USB_MODE_HOST;
+ else
+ host_mode = !(ath79_reset_rr(AR934X_RESET_REG_BOOTSTRAP) &
+ AR934X_BOOTSTRAP_USB_MODE_DEVICE);
+
+ if (host_mode) {
+ ath79_usb_register("ehci-platform", bus_id,
+ AR934X_EHCI_BASE, AR934X_EHCI_SIZE,
+ irq, &ath79_ehci_pdata_v2,
+ sizeof(ath79_ehci_pdata_v2));
+
+ return;
+ }
+
+ memset(&ci_pdata, 0, sizeof(ci_pdata));
+ ci_pdata.name = "ci_hdrc_ar9xxx";
+ ci_pdata.capoffset = DEF_CAPOFFSET;
+ ci_pdata.dr_mode = USB_DR_MODE_PERIPHERAL;
+ ci_pdata.flags = CI_HDRC_DUAL_ROLE_NOT_OTG | CI_HDRC_DP_ALWAYS_PULLUP;
+ ci_pdata.vbus_extcon.edev = ERR_PTR(-ENODEV);
+ ci_pdata.id_extcon.edev = ERR_PTR(-ENODEV);
+ ci_pdata.itc_setting = 1;
+
+ platform_device_register_simple("usb_phy_generic",
+ PLATFORM_DEVID_AUTO, NULL, 0);
+
+ ath79_usb_register("ci_hdrc", -1,
+ AR934X_EHCI_BASE, AR934X_EHCI_SIZE,
+ irq, &ci_pdata, sizeof(ci_pdata));
+}
+
static void __init ar933x_usb_setup(void)
{
ath79_device_reset_set(AR933X_RESET_USBSUS_OVERRIDE);
@@ -181,10 +222,7 @@ static void __init ar933x_usb_setup(void
ath79_device_reset_clear(AR933X_RESET_USB_PHY);
mdelay(10);
- ath79_usb_register("ehci-platform", -1,
- AR933X_EHCI_BASE, AR933X_EHCI_SIZE,
- ATH79_CPU_IRQ(3),
- &ath79_ehci_pdata_v2, sizeof(ath79_ehci_pdata_v2));
+ ar9xxx_ci_usb_setup(-1, ATH79_CPU_IRQ(3));
}
static void enable_tx_tx_idp_violation_fix(unsigned base)
@@ -230,10 +268,7 @@ static void __init ar934x_usb_setup(void
if (ath79_soc_rev >= 3)
ath79_ehci_pdata_v2.reset_notifier = ar934x_usb_reset_notifier;
- ath79_usb_register("ehci-platform", -1,
- AR934X_EHCI_BASE, AR934X_EHCI_SIZE,
- ATH79_CPU_IRQ(3),
- &ath79_ehci_pdata_v2, sizeof(ath79_ehci_pdata_v2));
+ ar9xxx_ci_usb_setup(-1, ATH79_CPU_IRQ(3));
}
static void __init qca953x_usb_setup(void)
@@ -254,10 +289,7 @@ static void __init qca953x_usb_setup(voi
ath79_device_reset_clear(QCA953X_RESET_USB_HOST);
udelay(1000);
- ath79_usb_register("ehci-platform", -1,
- QCA953X_EHCI_BASE, QCA953X_EHCI_SIZE,
- ATH79_CPU_IRQ(3),
- &ath79_ehci_pdata_v2, sizeof(ath79_ehci_pdata_v2));
+ ar9xxx_ci_usb_setup(-1, ATH79_CPU_IRQ(3));
}
static void qca955x_usb_reset_notifier(struct platform_device *pdev)
@@ -285,10 +317,7 @@ static void __init qca955x_usb_setup(voi
{
ath79_ehci_pdata_v2.reset_notifier = qca955x_usb_reset_notifier;
- ath79_usb_register("ehci-platform", 0,
- QCA955X_EHCI0_BASE, QCA955X_EHCI_SIZE,
- ATH79_IP3_IRQ(0),
- &ath79_ehci_pdata_v2, sizeof(ath79_ehci_pdata_v2));
+ ar9xxx_ci_usb_setup(0, ATH79_IP3_IRQ(0));
ath79_usb_register("ehci-platform", 1,
QCA955X_EHCI1_BASE, QCA955X_EHCI_SIZE,