diff options
Diffstat (limited to 'target/linux/ar71xx/patches-4.9/920-usb-chipidea-AR933x-platform-support.patch')
| -rw-r--r-- | target/linux/ar71xx/patches-4.9/920-usb-chipidea-AR933x-platform-support.patch | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-4.9/920-usb-chipidea-AR933x-platform-support.patch b/target/linux/ar71xx/patches-4.9/920-usb-chipidea-AR933x-platform-support.patch new file mode 100644 index 0000000000..740ffec4ac --- /dev/null +++ b/target/linux/ar71xx/patches-4.9/920-usb-chipidea-AR933x-platform-support.patch @@ -0,0 +1,123 @@ +--- 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 +173,67 @@ static void __init ar913x_usb_setup(void + &ath79_ehci_pdata_v2, sizeof(ath79_ehci_pdata_v2)); + } + ++static void __init ar933x_usb_setup_ctrl_config(void) ++{ ++ void __iomem *usb_ctrl_base, *usb_config_reg; ++ u32 usb_config; ++ ++ usb_ctrl_base = ioremap(AR71XX_USB_CTRL_BASE, AR71XX_USB_CTRL_SIZE); ++ usb_config_reg = usb_ctrl_base + AR71XX_USB_CTRL_REG_CONFIG; ++ usb_config = __raw_readl(usb_config_reg); ++ usb_config &= ~AR933X_USB_CONFIG_HOST_ONLY; ++ __raw_writel(usb_config, usb_config_reg); ++ iounmap(usb_ctrl_base); ++} ++ ++static void __init ar9xxx_ci_usb_setup(void) ++{ ++ struct ci_hdrc_platform_data ci_pdata; ++ enum usb_dr_mode dr_mode; ++ bool host_mode = true; ++ ++ if (soc_is_ar933x()) ++ host_mode = ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP) & ++ AR933X_BOOTSTRAP_USB_MODE_HOST; ++ else if (soc_is_ar934x() || soc_is_qca955x()) ++ host_mode = !(ath79_reset_rr(AR934X_RESET_REG_BOOTSTRAP) & ++ AR934X_BOOTSTRAP_USB_MODE_DEVICE); ++ ++ if (host_mode) { ++ dr_mode = USB_DR_MODE_HOST; ++ } else { ++ dr_mode = USB_DR_MODE_PERIPHERAL; ++ if (soc_is_ar933x()) ++ ar933x_usb_setup_ctrl_config(); ++ } ++ ++ memset(&ci_pdata, 0, sizeof(ci_pdata)); ++ ci_pdata.name = "ci_hdrc_ar9xxx"; ++ ci_pdata.capoffset = DEF_CAPOFFSET; ++ ci_pdata.dr_mode = dr_mode; ++ 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, ++ AR933X_EHCI_BASE, AR933X_EHCI_SIZE, ++ ATH79_CPU_IRQ(3), ++ &ci_pdata, sizeof(ci_pdata)); ++ ++ if (!host_mode) ++ return; ++ ++ 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)); ++ ++} ++ + static void __init ar933x_usb_setup(void) + { + ath79_device_reset_set(AR933X_RESET_USBSUS_OVERRIDE); +@@ -181,10 +245,7 @@ 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(); + } + + static void enable_tx_tx_idp_violation_fix(unsigned base) +@@ -230,10 +291,7 @@ 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(); + } + + static void __init qca953x_usb_setup(void) |