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https://github.com/openwrt/openwrt.git
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fa22714181
Only register the chipidea usb device if the strapping option indicates device mode. If not, use the regular ehci platform driver. Add qca955x device mode support, tested on 8devices Rambutan. Signed-off-by: Felix Fietkau <nbd@nbd.name>
133 lines
4.1 KiB
Diff
133 lines
4.1 KiB
Diff
--- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
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+++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
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@@ -659,6 +659,7 @@
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#define AR933X_BOOTSTRAP_MDIO_GPIO_EN BIT(18)
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#define AR933X_BOOTSTRAP_EEPBUSY BIT(4)
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+#define AR933X_BOOTSTRAP_USB_MODE_HOST BIT(3)
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#define AR933X_BOOTSTRAP_REF_CLK_40 BIT(0)
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#define AR934X_BOOTSTRAP_SW_OPTION8 BIT(23)
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@@ -688,6 +689,8 @@
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#define QCA956X_BOOTSTRAP_REF_CLK_40 BIT(2)
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+#define AR933X_USB_CONFIG_HOST_ONLY BIT(8)
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+
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#define AR934X_PCIE_WMAC_INT_WMAC_MISC BIT(0)
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#define AR934X_PCIE_WMAC_INT_WMAC_TX BIT(1)
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#define AR934X_PCIE_WMAC_INT_WMAC_RXLP BIT(2)
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--- a/arch/mips/ath79/dev-usb.c
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+++ b/arch/mips/ath79/dev-usb.c
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@@ -19,6 +19,9 @@
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#include <linux/platform_device.h>
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#include <linux/usb/ehci_pdriver.h>
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#include <linux/usb/ohci_pdriver.h>
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+#include <linux/usb/otg.h>
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+#include <linux/usb/chipidea.h>
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+#include <linux/usb/usb_phy_generic.h>
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#include <asm/mach-ath79/ath79.h>
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#include <asm/mach-ath79/ar71xx_regs.h>
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@@ -170,6 +173,64 @@ static void __init ar913x_usb_setup(void
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&ath79_ehci_pdata_v2, sizeof(ath79_ehci_pdata_v2));
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}
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+static void __init ar933x_usb_setup_ctrl_config(void)
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+{
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+ void __iomem *usb_ctrl_base, *usb_config_reg;
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+ u32 usb_config;
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+
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+ usb_ctrl_base = ioremap(AR71XX_USB_CTRL_BASE, AR71XX_USB_CTRL_SIZE);
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+ usb_config_reg = usb_ctrl_base + AR71XX_USB_CTRL_REG_CONFIG;
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+ usb_config = __raw_readl(usb_config_reg);
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+ usb_config &= ~AR933X_USB_CONFIG_HOST_ONLY;
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+ __raw_writel(usb_config, usb_config_reg);
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+ iounmap(usb_ctrl_base);
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+}
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+
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+static void __init ar9xxx_ci_usb_setup(int irq)
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+{
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+ struct ci_hdrc_platform_data ci_pdata;
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+ enum usb_dr_mode dr_mode;
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+ bool host_mode = true;
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+
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+ if (soc_is_ar933x())
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+ host_mode = ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP) &
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+ AR933X_BOOTSTRAP_USB_MODE_HOST;
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+ else if (soc_is_ar934x() || soc_is_qca955x())
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+ host_mode = !(ath79_reset_rr(AR934X_RESET_REG_BOOTSTRAP) &
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+ AR934X_BOOTSTRAP_USB_MODE_DEVICE);
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+
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+ if (host_mode) {
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+ dr_mode = USB_DR_MODE_HOST;
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+ } else {
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+ dr_mode = USB_DR_MODE_PERIPHERAL;
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+ if (soc_is_ar933x())
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+ ar933x_usb_setup_ctrl_config();
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+ }
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+
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+ memset(&ci_pdata, 0, sizeof(ci_pdata));
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+ ci_pdata.name = "ci_hdrc_ar9xxx";
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+ ci_pdata.capoffset = DEF_CAPOFFSET;
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+ ci_pdata.dr_mode = dr_mode;
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+ ci_pdata.flags = CI_HDRC_DUAL_ROLE_NOT_OTG | CI_HDRC_DP_ALWAYS_PULLUP;
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+ ci_pdata.vbus_extcon.edev = ERR_PTR(-ENODEV);
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+ ci_pdata.id_extcon.edev = ERR_PTR(-ENODEV);
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+ ci_pdata.itc_setting = 1;
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+
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+ platform_device_register_simple("usb_phy_generic",
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+ PLATFORM_DEVID_AUTO, NULL, 0);
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+
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+ if (!host_mode)
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+ ath79_usb_register("ci_hdrc", -1,
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+ AR933X_EHCI_BASE, AR933X_EHCI_SIZE,
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+ irq, &ci_pdata, sizeof(ci_pdata));
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+ else
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+ ath79_usb_register("ehci-platform", -1,
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+ AR933X_EHCI_BASE, AR933X_EHCI_SIZE,
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+ irq, &ath79_ehci_pdata_v2,
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+ sizeof(ath79_ehci_pdata_v2));
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+
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+}
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+
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static void __init ar933x_usb_setup(void)
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{
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ath79_device_reset_set(AR933X_RESET_USBSUS_OVERRIDE);
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@@ -181,10 +242,7 @@ static void __init ar933x_usb_setup(void
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ath79_device_reset_clear(AR933X_RESET_USB_PHY);
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mdelay(10);
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- ath79_usb_register("ehci-platform", -1,
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- AR933X_EHCI_BASE, AR933X_EHCI_SIZE,
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- ATH79_CPU_IRQ(3),
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- &ath79_ehci_pdata_v2, sizeof(ath79_ehci_pdata_v2));
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+ ar9xxx_ci_usb_setup(ATH79_CPU_IRQ(3));
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}
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static void enable_tx_tx_idp_violation_fix(unsigned base)
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@@ -230,10 +288,7 @@ static void __init ar934x_usb_setup(void
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if (ath79_soc_rev >= 3)
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ath79_ehci_pdata_v2.reset_notifier = ar934x_usb_reset_notifier;
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- ath79_usb_register("ehci-platform", -1,
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- AR934X_EHCI_BASE, AR934X_EHCI_SIZE,
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- ATH79_CPU_IRQ(3),
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- &ath79_ehci_pdata_v2, sizeof(ath79_ehci_pdata_v2));
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+ ar9xxx_ci_usb_setup(ATH79_CPU_IRQ(3));
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}
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static void __init qca953x_usb_setup(void)
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@@ -285,10 +340,7 @@ static void __init qca955x_usb_setup(voi
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{
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ath79_ehci_pdata_v2.reset_notifier = qca955x_usb_reset_notifier;
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- ath79_usb_register("ehci-platform", 0,
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- QCA955X_EHCI0_BASE, QCA955X_EHCI_SIZE,
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- ATH79_IP3_IRQ(0),
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- &ath79_ehci_pdata_v2, sizeof(ath79_ehci_pdata_v2));
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+ ar9xxx_ci_usb_setup(ATH79_IP3_IRQ(0));
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ath79_usb_register("ehci-platform", 1,
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QCA955X_EHCI1_BASE, QCA955X_EHCI_SIZE,
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