4 * Copyright (C) 2015 Hans de Goede <hdegoede@redhat.com>
5 * Copyright (C) 2014 Roman Byshko <rbyshko@gmail.com>
8 * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
10 * SPDX-License-Identifier: GPL-2.0+
14 #include <asm/arch/clock.h>
15 #include <asm/arch/usb_phy.h>
19 int ehci_hcd_init(int index, enum usb_init_type init, struct ehci_hccr **hccr,
20 struct ehci_hcor **hcor)
22 struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
25 ahb_gate_offset = index ? AHB_GATE_OFFSET_USB_EHCI1 :
26 AHB_GATE_OFFSET_USB_EHCI0;
27 setbits_le32(&ccm->ahb_gate0, 1 << ahb_gate_offset);
28 #ifdef CONFIG_SUNXI_GEN_SUN6I
29 setbits_le32(&ccm->ahb_reset0_cfg, 1 << ahb_gate_offset);
32 sunxi_usb_phy_init(index + 1);
33 sunxi_usb_phy_power_on(index + 1);
36 *hccr = (void *)SUNXI_USB1_BASE;
38 *hccr = (void *)SUNXI_USB2_BASE;
40 *hcor = (struct ehci_hcor *)((uint32_t) *hccr
41 + HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
43 debug("sunxi-ehci: init hccr %x and hcor %x hc_length %d\n",
44 (uint32_t)*hccr, (uint32_t)*hcor,
45 (uint32_t)HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
50 int ehci_hcd_stop(int index)
52 struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
55 sunxi_usb_phy_power_off(index + 1);
56 sunxi_usb_phy_exit(index + 1);
58 ahb_gate_offset = index ? AHB_GATE_OFFSET_USB_EHCI1 :
59 AHB_GATE_OFFSET_USB_EHCI0;
60 #ifdef CONFIG_SUNXI_GEN_SUN6I
61 clrbits_le32(&ccm->ahb_reset0_cfg, 1 << ahb_gate_offset);
63 clrbits_le32(&ccm->ahb_gate0, 1 << ahb_gate_offset);