// SPDX-License-Identifier: GPL-2.0 /* * drivers/usb/host/ehci-orion.c * * Tzachi Perelstein <[email protected]> */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/mbus.h> #include <linux/clk.h> #include <linux/platform_data/usb-ehci-orion.h> #include <linux/of.h> #include <linux/phy/phy.h> #include <linux/usb.h> #include <linux/usb/hcd.h> #include <linux/io.h> #include <linux/dma-mapping.h> #include "ehci.h" #define rdl(off) … #define wrl(off, val) … #define USB_CMD … #define USB_CMD_RUN … #define USB_CMD_RESET … #define USB_MODE … #define USB_MODE_MASK … #define USB_MODE_DEVICE … #define USB_MODE_HOST … #define USB_MODE_SDIS … #define USB_CAUSE … #define USB_MASK … #define USB_WINDOW_CTRL(i) … #define USB_WINDOW_BASE(i) … #define USB_IPG … #define USB_PHY_PWR_CTRL … #define USB_PHY_TX_CTRL … #define USB_PHY_RX_CTRL … #define USB_PHY_IVREF_CTRL … #define USB_PHY_TST_GRP_CTRL … #define USB_SBUSCFG … /* BAWR = BARD = 3 : Align read/write bursts packets larger than 128 bytes */ #define USB_SBUSCFG_BAWR_ALIGN_128B … #define USB_SBUSCFG_BARD_ALIGN_128B … /* AHBBRST = 3 : Align AHB Burst to INCR16 (64 bytes) */ #define USB_SBUSCFG_AHBBRST_INCR16 … #define USB_SBUSCFG_DEF_VAL … #define DRIVER_DESC … #define hcd_to_orion_priv(h) … struct orion_ehci_hcd { … }; static struct hc_driver __read_mostly ehci_orion_hc_driver; /* * Legacy DMA mask is 32 bit. * AC5 has the DDR starting at 8GB, hence it requires * a larger (34-bit) DMA mask, in order for DMA allocations * to succeed: */ static const u64 dma_mask_orion = …; static const u64 dma_mask_ac5 = …; /* * Implement Orion USB controller specification guidelines */ static void orion_usb_phy_v1_setup(struct usb_hcd *hcd) { … } static void ehci_orion_conf_mbus_windows(struct usb_hcd *hcd, const struct mbus_dram_target_info *dram) { … } static int ehci_orion_drv_reset(struct usb_hcd *hcd) { … } static int __maybe_unused ehci_orion_drv_suspend(struct device *dev) { … } static int __maybe_unused ehci_orion_drv_resume(struct device *dev) { … } static SIMPLE_DEV_PM_OPS(ehci_orion_pm_ops, ehci_orion_drv_suspend, ehci_orion_drv_resume); static const struct ehci_driver_overrides orion_overrides __initconst = …; static int ehci_orion_drv_probe(struct platform_device *pdev) { … } static void ehci_orion_drv_remove(struct platform_device *pdev) { … } static const struct of_device_id ehci_orion_dt_ids[] = …; MODULE_DEVICE_TABLE(of, ehci_orion_dt_ids); static struct platform_driver ehci_orion_driver = …; static int __init ehci_orion_init(void) { … } module_init(…) …; static void __exit ehci_orion_cleanup(void) { … } module_exit(ehci_orion_cleanup); MODULE_DESCRIPTION(…); MODULE_ALIAS(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
Codebase Browser
linux