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1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * GTBUS initialisation for sun9i
4  *
5  * (C) Copyright 2016 Theobroma Systems Design und Consulting GmbH
6  *                    Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
7  */
8 
9 #ifndef _SUNXI_GTBUS_SUN9I_H
10 #define _SUNXI_GTBUS_SUN9I_H
11 
12 #include <linux/types.h>
13 
14 struct sunxi_gtbus_reg {
15 	u32 mst_cfg[36];           /* 0x000 */
16 	u8  reserved1[0x70];       /* 0x090 */
17 	u32 bw_wdw_cfg;            /* 0x100 */
18 	u32 mst_read_prio_cfg[2];  /* 0x104 */
19 	u32 lvl2_mst_cfg;          /* 0x10c */
20 	u32 sw_clk_on;             /* 0x110 */
21 	u32 sw_clk_off;            /* 0x114 */
22 	u32 pmu_mst_en;            /* 0x118 */
23 	u32 pmu_cfg;               /* 0x11c */
24 	u32 pmu_cnt[19];           /* 0x120 */
25 	u32 reserved2[0x94];       /* 0x16c */
26 	u32 cci400_config[3];      /* 0x200 */
27 	u32 cci400_status[2];      /* 0x20c */
28 };
29 
30 /* for register GT_MST_CFG_REG(n) */
31 #define GT_ENABLE_REQ           (1<<31) /* clock on */
32 #define GT_DISABLE_REQ          (1<<30) /* clock off */
33 #define GT_QOS_SHIFT            28
34 #define GT_THD1_SHIFT           16
35 #define GT_REQN_MAX             0xf /* max no master requests in one cycle */
36 #define GT_REQN_SHIFT           12
37 #define GT_THD0_SHIFT           0
38 
39 #define GT_QOS_MAX              0x3
40 #define GT_THD_MAX              0xfff
41 #define GT_BW_WDW_MAX           0xffff
42 
43 /* mst_read_prio_cfg */
44 #define GT_PRIO_LOW     0
45 #define GT_PRIO_HIGH    1
46 
47 /* GTBUS port ids */
48 #define GT_PORT_CPUM1   0
49 #define GT_PORT_CPUM2   1
50 #define GT_PORT_SATA    2
51 #define	GT_PORT_USB3    3
52 #define	GT_PORT_FE0     4
53 #define	GT_PORT_BE1     5
54 #define	GT_PORT_BE2     6
55 #define	GT_PORT_IEP0    7
56 #define	GT_PORT_FE1     8
57 #define	GT_PORT_BE0     9
58 #define	GT_PORT_FE2     10
59 #define	GT_PORT_IEP1    11
60 #define	GT_PORT_VED     12
61 #define	GT_PORT_VEE     13
62 #define	GT_PORT_FD      14
63 #define	GT_PORT_CSI     15
64 #define	GT_PORT_MP      16
65 #define	GT_PORT_HSI     17
66 #define	GT_PORT_SS      18
67 #define	GT_PORT_TS      19
68 #define	GT_PORT_DMA     20
69 #define	GT_PORT_NDFC0   21
70 #define	GT_PORT_NDFC1   22
71 #define	GT_PORT_CPUS    23
72 #define	GT_PORT_TH      24
73 #define	GT_PORT_GMAC    25
74 #define	GT_PORT_USB0    26
75 #define	GT_PORT_MSTG0   27
76 #define	GT_PORT_MSTG1   28
77 #define	GT_PORT_MSTG2   29
78 #define	GT_PORT_MSTG3   30
79 #define	GT_PORT_USB1    31
80 #define	GT_PORT_GPU0    32
81 #define	GT_PORT_GPU1    33
82 #define	GT_PORT_USB2    34
83 #define	GT_PORT_CPUM0   35
84 
85 #define GP_MST_CFG_DEFAULT \
86 	((GT_QOS_MAX << GT_QOS_SHIFT)   | \
87 	 (GT_THD_MAX << GT_THD1_SHIFT)  | \
88 	 (GT_REQN_MAX << GT_REQN_SHIFT) | \
89 	 (GT_THD_MAX << GT_THD0_SHIFT))
90 
91 #endif
92