xref: /openbmc/linux/drivers/usb/chipidea/bits.h (revision 6c33a6f4) 
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * bits.h - register bits of the ChipIdea USB IP core
4  *
5  * Copyright (C) 2008 Chipidea - MIPS Technologies, Inc. All rights reserved.
6  *
7  * Author: David Lopo
8  */
9 
10 #ifndef __DRIVERS_USB_CHIPIDEA_BITS_H
11 #define __DRIVERS_USB_CHIPIDEA_BITS_H
12 
13 #include <linux/usb/ehci_def.h>
14 
15 /*
16  * ID
17  * For 1.x revision, bit24 - bit31 are reserved
18  * For 2.x revision, bit25 - bit28 are 0x2
19  */
20 #define TAG		      (0x1F << 16)
21 #define REVISION	      (0xF << 21)
22 #define VERSION		      (0xF << 25)
23 #define CIVERSION	      (0x7 << 29)
24 
25 /* SBUSCFG */
26 #define AHBBRST_MASK		0x7
27 
28 /* HCCPARAMS */
29 #define HCCPARAMS_LEN         BIT(17)
30 
31 /* DCCPARAMS */
32 #define DCCPARAMS_DEN         (0x1F << 0)
33 #define DCCPARAMS_DC          BIT(7)
34 #define DCCPARAMS_HC          BIT(8)
35 
36 /* TESTMODE */
37 #define TESTMODE_FORCE        BIT(0)
38 
39 /* USBCMD */
40 #define USBCMD_RS             BIT(0)
41 #define USBCMD_RST            BIT(1)
42 #define USBCMD_SUTW           BIT(13)
43 #define USBCMD_ATDTW          BIT(14)
44 
45 /* USBSTS & USBINTR */
46 #define USBi_UI               BIT(0)
47 #define USBi_UEI              BIT(1)
48 #define USBi_PCI              BIT(2)
49 #define USBi_URI              BIT(6)
50 #define USBi_SLI              BIT(8)
51 
52 /* DEVICEADDR */
53 #define DEVICEADDR_USBADRA    BIT(24)
54 #define DEVICEADDR_USBADR     (0x7FUL << 25)
55 
56 /* TTCTRL */
57 #define TTCTRL_TTHA_MASK	(0x7fUL << 24)
58 /* Set non-zero value for internal TT Hub address representation */
59 #define TTCTRL_TTHA		(0x7fUL << 24)
60 
61 /* BURSTSIZE */
62 #define RX_BURST_MASK		0xff
63 #define TX_BURST_MASK		0xff00
64 
65 /* PORTSC */
66 #define PORTSC_CCS            BIT(0)
67 #define PORTSC_CSC            BIT(1)
68 #define PORTSC_PEC            BIT(3)
69 #define PORTSC_OCC            BIT(5)
70 #define PORTSC_FPR            BIT(6)
71 #define PORTSC_SUSP           BIT(7)
72 #define PORTSC_HSP            BIT(9)
73 #define PORTSC_PP             BIT(12)
74 #define PORTSC_PTC            (0x0FUL << 16)
75 #define PORTSC_WKCN           BIT(20)
76 #define PORTSC_PHCD(d)	      ((d) ? BIT(22) : BIT(23))
77 /* PTS and PTW for non lpm version only */
78 #define PORTSC_PFSC           BIT(24)
79 #define PORTSC_PTS(d)						\
80 	(u32)((((d) & 0x3) << 30) | (((d) & 0x4) ? BIT(25) : 0))
81 #define PORTSC_PTW            BIT(28)
82 #define PORTSC_STS            BIT(29)
83 
84 #define PORTSC_W1C_BITS						\
85 	(PORTSC_CSC | PORTSC_PEC | PORTSC_OCC)
86 
87 /* DEVLC */
88 #define DEVLC_PFSC            BIT(23)
89 #define DEVLC_PSPD            (0x03UL << 25)
90 #define DEVLC_PSPD_HS         (0x02UL << 25)
91 #define DEVLC_PTW             BIT(27)
92 #define DEVLC_STS             BIT(28)
93 #define DEVLC_PTS(d)          (u32)(((d) & 0x7) << 29)
94 
95 /* Encoding for DEVLC_PTS and PORTSC_PTS */
96 #define PTS_UTMI              0
97 #define PTS_ULPI              2
98 #define PTS_SERIAL            3
99 #define PTS_HSIC              4
100 
101 /* OTGSC */
102 #define OTGSC_IDPU	      BIT(5)
103 #define OTGSC_HADP	      BIT(6)
104 #define OTGSC_HABA	      BIT(7)
105 #define OTGSC_ID	      BIT(8)
106 #define OTGSC_AVV	      BIT(9)
107 #define OTGSC_ASV	      BIT(10)
108 #define OTGSC_BSV	      BIT(11)
109 #define OTGSC_BSE	      BIT(12)
110 #define OTGSC_IDIS	      BIT(16)
111 #define OTGSC_AVVIS	      BIT(17)
112 #define OTGSC_ASVIS	      BIT(18)
113 #define OTGSC_BSVIS	      BIT(19)
114 #define OTGSC_BSEIS	      BIT(20)
115 #define OTGSC_1MSIS	      BIT(21)
116 #define OTGSC_DPIS	      BIT(22)
117 #define OTGSC_IDIE	      BIT(24)
118 #define OTGSC_AVVIE	      BIT(25)
119 #define OTGSC_ASVIE	      BIT(26)
120 #define OTGSC_BSVIE	      BIT(27)
121 #define OTGSC_BSEIE	      BIT(28)
122 #define OTGSC_1MSIE	      BIT(29)
123 #define OTGSC_DPIE	      BIT(30)
124 #define OTGSC_INT_EN_BITS	(OTGSC_IDIE | OTGSC_AVVIE | OTGSC_ASVIE \
125 				| OTGSC_BSVIE | OTGSC_BSEIE | OTGSC_1MSIE \
126 				| OTGSC_DPIE)
127 #define OTGSC_INT_STATUS_BITS	(OTGSC_IDIS | OTGSC_AVVIS | OTGSC_ASVIS	\
128 				| OTGSC_BSVIS | OTGSC_BSEIS | OTGSC_1MSIS \
129 				| OTGSC_DPIS)
130 
131 /* USBMODE */
132 #define USBMODE_CM            (0x03UL <<  0)
133 #define USBMODE_CM_DC         (0x02UL <<  0)
134 #define USBMODE_SLOM          BIT(3)
135 #define USBMODE_CI_SDIS       BIT(4)
136 
137 /* ENDPTCTRL */
138 #define ENDPTCTRL_RXS         BIT(0)
139 #define ENDPTCTRL_RXT         (0x03UL <<  2)
140 #define ENDPTCTRL_RXR         BIT(6)         /* reserved for port 0 */
141 #define ENDPTCTRL_RXE         BIT(7)
142 #define ENDPTCTRL_TXS         BIT(16)
143 #define ENDPTCTRL_TXT         (0x03UL << 18)
144 #define ENDPTCTRL_TXR         BIT(22)        /* reserved for port 0 */
145 #define ENDPTCTRL_TXE         BIT(23)
146 
147 #endif /* __DRIVERS_USB_CHIPIDEA_BITS_H */
148