xref: /openbmc/u-boot/include/linux/usb/xhci-omap.h (revision 87a62bce)
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * (C) Copyright 2013
4  * Texas Instruments Inc, <www.ti.com>
5  *
6  * Author: Dan Murphy <dmurphy@ti.com>
7  */
8 
9 #ifndef _ASM_ARCH_XHCI_OMAP_H_
10 #define _ASM_ARCH_XHCI_OMAP_H_
11 
12 #ifdef CONFIG_DRA7XX
13 #if CONFIG_USB_XHCI_DRA7XX_INDEX == 1
14 #define OMAP_XHCI_BASE 0x488d0000
15 #define OMAP_OCP1_SCP_BASE 0x4A081000
16 #define OMAP_OTG_WRAPPER_BASE 0x488c0000
17 #elif CONFIG_USB_XHCI_DRA7XX_INDEX == 0
18 #define OMAP_XHCI_BASE 0x48890000
19 #define OMAP_OCP1_SCP_BASE 0x4A084c00
20 #define OMAP_OTG_WRAPPER_BASE 0x48880000
21 #endif /* CONFIG_USB_XHCI_DRA7XX_INDEX == 1 */
22 #elif defined CONFIG_AM43XX
23 #define OMAP_XHCI_BASE 0x483d0000
24 #define OMAP_OCP1_SCP_BASE 0x483E8000
25 #define OMAP_OTG_WRAPPER_BASE 0x483dc100
26 #else
27 /* Default to the OMAP5 XHCI defines */
28 #define OMAP_XHCI_BASE 0x4a030000
29 #define OMAP_OCP1_SCP_BASE 0x4a084c00
30 #define OMAP_OTG_WRAPPER_BASE 0x4A020000
31 #endif
32 
33 /* Phy register MACRO definitions */
34 #define	PLL_REGM_MASK		0x001FFE00
35 #define	PLL_REGM_SHIFT		0x9
36 #define	PLL_REGM_F_MASK		0x0003FFFF
37 #define	PLL_REGM_F_SHIFT	0x0
38 #define	PLL_REGN_MASK		0x000001FE
39 #define	PLL_REGN_SHIFT		0x1
40 #define	PLL_SELFREQDCO_MASK	0x0000000E
41 #define	PLL_SELFREQDCO_SHIFT	0x1
42 #define	PLL_SD_MASK		0x0003FC00
43 #define	PLL_SD_SHIFT		0x9
44 #define	SET_PLL_GO		0x1
45 #define	PLL_TICOPWDN		0x10000
46 #define	PLL_LOCK		0x2
47 #define	PLL_IDLE		0x1
48 
49 #define USB3_PWRCTL_CLK_CMD_MASK	0x3FE000
50 #define USB3_PWRCTL_CLK_FREQ_MASK	0xFFC
51 #define USB3_PHY_PARTIAL_RX_POWERON     (1 << 6)
52 #define USB3_PHY_RX_POWERON		(1 << 14)
53 #define USB3_PHY_TX_POWERON		(1 << 15)
54 #define USB3_PHY_TX_RX_POWERON	(USB3_PHY_RX_POWERON | USB3_PHY_TX_POWERON)
55 #define USB3_PWRCTL_CLK_CMD_SHIFT   14
56 #define USB3_PWRCTL_CLK_FREQ_SHIFT	22
57 
58 /* USBOTGSS_WRAPPER definitions */
59 #define USBOTGSS_WRAPRESET	(1 << 17)
60 #define USBOTGSS_DMADISABLE (1 << 16)
61 #define USBOTGSS_STANDBYMODE_NO_STANDBY (1 << 4)
62 #define USBOTGSS_STANDBYMODE_SMRT		(1 << 5)
63 #define USBOTGSS_STANDBYMODE_SMRT_WKUP (0x3 << 4)
64 #define USBOTGSS_IDLEMODE_NOIDLE (1 << 2)
65 #define USBOTGSS_IDLEMODE_SMRT (1 << 3)
66 #define USBOTGSS_IDLEMODE_SMRT_WKUP (0x3 << 2)
67 
68 /* USBOTGSS_IRQENABLE_SET_0 bit */
69 #define USBOTGSS_COREIRQ_EN	(1 << 0)
70 
71 /* USBOTGSS_IRQENABLE_SET_1 bits */
72 #define USBOTGSS_IRQ_SET_1_IDPULLUP_FALL_EN	(1 << 0)
73 #define USBOTGSS_IRQ_SET_1_DISCHRGVBUS_FALL_EN	(1 << 3)
74 #define USBOTGSS_IRQ_SET_1_CHRGVBUS_FALL_EN	(1 << 4)
75 #define USBOTGSS_IRQ_SET_1_DRVVBUS_FALL_EN	(1 << 5)
76 #define USBOTGSS_IRQ_SET_1_IDPULLUP_RISE_EN	(1 << 8)
77 #define USBOTGSS_IRQ_SET_1_DISCHRGVBUS_RISE_EN	(1 << 11)
78 #define USBOTGSS_IRQ_SET_1_CHRGVBUS_RISE_EN	(1 << 12)
79 #define USBOTGSS_IRQ_SET_1_DRVVBUS_RISE_EN	(1 << 13)
80 #define USBOTGSS_IRQ_SET_1_OEVT_EN	(1 << 16)
81 #define USBOTGSS_IRQ_SET_1_DMADISABLECLR_EN	(1 << 17)
82 
83 /*
84  * USBOTGSS_WRAPPER registers
85  */
86 struct omap_dwc_wrapper {
87 	u32 revision;
88 
89 	u32 reserve_1[3];
90 
91 	u32 sysconfig; /* offset of 0x10 */
92 
93 	u32 reserve_2[3];
94 	u16 reserve_3;
95 
96 	u32 irqstatus_raw_0; /* offset of 0x24 */
97 	u32 irqstatus_0;
98 	u32 irqenable_set_0;
99 	u32 irqenable_clr_0;
100 
101 	u32 irqstatus_raw_1; /* offset of 0x34 */
102 	u32 irqstatus_1;
103 	u32 irqenable_set_1;
104 	u32 irqenable_clr_1;
105 
106 	u32 reserve_4[15];
107 
108 	u32 utmi_otg_ctrl; /* offset of 0x80 */
109 	u32 utmi_otg_status;
110 
111 	u32 reserve_5[30];
112 
113 	u32 mram_offset; /* offset of 0x100 */
114 	u32 fladj;
115 	u32 dbg_config;
116 	u32 dbg_data;
117 	u32 dev_ebc_en;
118 };
119 
120 /* XHCI PHY register structure */
121 struct omap_usb3_phy {
122 	u32 reserve1;
123 	u32 pll_status;
124 	u32 pll_go;
125 	u32 pll_config_1;
126 	u32 pll_config_2;
127 	u32 pll_config_3;
128 	u32 pll_ssc_config_1;
129 	u32 pll_ssc_config_2;
130 	u32 pll_config_4;
131 };
132 
133 struct omap_xhci {
134 	struct omap_dwc_wrapper *otg_wrapper;
135 	struct omap_usb3_phy *usb3_phy;
136 	struct xhci_hccr *hcd;
137 	struct dwc3 *dwc3_reg;
138 };
139 
140 /* USB PHY functions */
141 void omap_enable_phy(struct omap_xhci *omap);
142 void omap_reset_usb_phy(struct dwc3 *dwc3_reg);
143 void usb_phy_power(int on);
144 
145 #endif /* _ASM_ARCH_XHCI_OMAP_H_ */
146