4 * Copyright (C) 2015 Hans de Goede <hdegoede@redhat.com>
7 * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
9 * SPDX-License-Identifier: GPL-2.0+
13 #include <asm/arch/clock.h>
14 #include <asm/arch/usb_phy.h>
20 struct ohci_sunxi_priv
{
22 int ahb_gate_mask
; /* Mask of ahb_gate0 clk gate bits for this hcd */
23 int usb_gate_mask
; /* Mask of usb_clk_cfg clk gate bits for this hcd */
24 int phy_index
; /* Index of the usb-phy attached to this hcd */
27 static int ohci_usb_probe(struct udevice
*dev
)
29 struct sunxi_ccm_reg
*ccm
= (struct sunxi_ccm_reg
*)SUNXI_CCM_BASE
;
30 struct usb_bus_priv
*bus_priv
= dev_get_uclass_priv(dev
);
31 struct ohci_sunxi_priv
*priv
= dev_get_priv(dev
);
32 struct ohci_regs
*regs
= (struct ohci_regs
*)dev_get_addr(dev
);
34 bus_priv
->companion
= true;
37 * This should go away once we've moved to the driver model for
40 if (regs
== (void *)(SUNXI_USB1_BASE
+ 0x400)) {
41 priv
->ahb_gate_mask
= 1 << AHB_GATE_OFFSET_USB_OHCI0
;
42 priv
->usb_gate_mask
= CCM_USB_CTRL_OHCI0_CLK
;
45 priv
->ahb_gate_mask
= 1 << AHB_GATE_OFFSET_USB_OHCI1
;
46 priv
->usb_gate_mask
= CCM_USB_CTRL_OHCI1_CLK
;
50 setbits_le32(&ccm
->ahb_gate0
, priv
->ahb_gate_mask
);
51 setbits_le32(&ccm
->usb_clk_cfg
, priv
->usb_gate_mask
);
52 #ifdef CONFIG_SUNXI_GEN_SUN6I
53 setbits_le32(&ccm
->ahb_reset0_cfg
, priv
->ahb_gate_mask
);
56 sunxi_usb_phy_init(priv
->phy_index
);
57 sunxi_usb_phy_power_on(priv
->phy_index
);
59 return ohci_register(dev
, regs
);
62 static int ohci_usb_remove(struct udevice
*dev
)
64 struct sunxi_ccm_reg
*ccm
= (struct sunxi_ccm_reg
*)SUNXI_CCM_BASE
;
65 struct ohci_sunxi_priv
*priv
= dev_get_priv(dev
);
68 ret
= ohci_deregister(dev
);
72 sunxi_usb_phy_exit(priv
->phy_index
);
74 #ifdef CONFIG_SUNXI_GEN_SUN6I
75 clrbits_le32(&ccm
->ahb_reset0_cfg
, priv
->ahb_gate_mask
);
77 clrbits_le32(&ccm
->usb_clk_cfg
, priv
->usb_gate_mask
);
78 clrbits_le32(&ccm
->ahb_gate0
, priv
->ahb_gate_mask
);
83 static const struct udevice_id ohci_usb_ids
[] = {
84 { .compatible
= "allwinner,sun4i-a10-ohci", },
85 { .compatible
= "allwinner,sun5i-a13-ohci", },
86 { .compatible
= "allwinner,sun6i-a31-ohci", },
87 { .compatible
= "allwinner,sun7i-a20-ohci", },
88 { .compatible
= "allwinner,sun8i-a23-ohci", },
89 { .compatible
= "allwinner,sun9i-a80-ohci", },
93 U_BOOT_DRIVER(usb_ohci
) = {
96 .of_match
= ohci_usb_ids
,
97 .probe
= ohci_usb_probe
,
98 .remove
= ohci_usb_remove
,
100 .platdata_auto_alloc_size
= sizeof(struct usb_platdata
),
101 .priv_auto_alloc_size
= sizeof(struct ohci_sunxi_priv
),
102 .flags
= DM_FLAG_ALLOC_PRIV_DMA
,