1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (C) Marvell International Ltd. and its affiliates
4  */
5 
6 #ifndef __XOR_REGS_H
7 #define __XOR_REGS_H
8 
9 /*
10  * For controllers that have two XOR units, then chans 2 & 3 will be mapped
11  * to channels 0 & 1 of unit 1
12  */
13 #define XOR_UNIT(chan)			((chan) >> 1)
14 #define XOR_CHAN(chan)			((chan) & 1)
15 
16 #define MV_XOR_REGS_OFFSET(unit)	(0x60900)
17 #define MV_XOR_REGS_BASE(unit)		(MV_XOR_REGS_OFFSET(unit))
18 
19 /* XOR Engine Control Register Map */
20 #define XOR_CHANNEL_ARBITER_REG(unit)	(MV_XOR_REGS_BASE(unit))
21 #define XOR_CONFIG_REG(unit, chan)	(MV_XOR_REGS_BASE(unit) + (0x10 + ((chan) * 4)))
22 #define XOR_ACTIVATION_REG(unit, chan)	(MV_XOR_REGS_BASE(unit) + (0x20 + ((chan) * 4)))
23 
24 /* XOR Engine Interrupt Register Map */
25 #define XOR_CAUSE_REG(unit)		(MV_XOR_REGS_BASE(unit) + 0x30)
26 #define XOR_MASK_REG(unit)		(MV_XOR_REGS_BASE(unit) + 0x40)
27 #define XOR_ERROR_CAUSE_REG(unit)	(MV_XOR_REGS_BASE(unit) + 0x50)
28 #define XOR_ERROR_ADDR_REG(unit)	(MV_XOR_REGS_BASE(unit) + 0x60)
29 
30 /* XOR Engine Descriptor Register Map */
31 #define XOR_NEXT_DESC_PTR_REG(unit, chan)	(MV_XOR_REGS_BASE(unit) + (0x200 + ((chan) * 4)))
32 #define XOR_CURR_DESC_PTR_REG(unit, chan)	(MV_XOR_REGS_BASE(unit) + (0x210 + ((chan) * 4)))
33 #define XOR_BYTE_COUNT_REG(unit, chan)		(MV_XOR_REGS_BASE(unit) + (0x220 + ((chan) * 4)))
34 
35 #define XOR_DST_PTR_REG(unit, chan)		(MV_XOR_REGS_BASE(unit) + (0x2B0 + ((chan) * 4)))
36 #define XOR_BLOCK_SIZE_REG(unit, chan)		(MV_XOR_REGS_BASE(unit) + (0x2C0 + ((chan) * 4)))
37 #define XOR_TIMER_MODE_CTRL_REG(unit)		(MV_XOR_REGS_BASE(unit) + 0x2D0)
38 #define XOR_TIMER_MODE_INIT_VAL_REG(unit)	(MV_XOR_REGS_BASE(unit) + 0x2D4)
39 #define XOR_TIMER_MODE_CURR_VAL_REG(unit)	(MV_XOR_REGS_BASE(unit) + 0x2D8)
40 #define XOR_INIT_VAL_LOW_REG(unit)		(MV_XOR_REGS_BASE(unit) + 0x2E0)
41 #define XOR_INIT_VAL_HIGH_REG(unit)		(MV_XOR_REGS_BASE(unit) + 0x2E4)
42 
43 /* XOR register fileds */
44 
45 /* XOR Engine [0..1] Configuration Registers (XExCR) */
46 #define XEXCR_OPERATION_MODE_OFFS	(0)
47 #define XEXCR_OPERATION_MODE_MASK	(7 << XEXCR_OPERATION_MODE_OFFS)
48 #define XEXCR_OPERATION_MODE_XOR	(0 << XEXCR_OPERATION_MODE_OFFS)
49 #define XEXCR_OPERATION_MODE_CRC	(1 << XEXCR_OPERATION_MODE_OFFS)
50 #define XEXCR_OPERATION_MODE_DMA	(2 << XEXCR_OPERATION_MODE_OFFS)
51 #define XEXCR_OPERATION_MODE_ECC	(3 << XEXCR_OPERATION_MODE_OFFS)
52 #define XEXCR_OPERATION_MODE_MEM_INIT	(4 << XEXCR_OPERATION_MODE_OFFS)
53 
54 #define XEXCR_SRC_BURST_LIMIT_OFFS	(4)
55 #define XEXCR_SRC_BURST_LIMIT_MASK	(7 << XEXCR_SRC_BURST_LIMIT_OFFS)
56 #define XEXCR_DST_BURST_LIMIT_OFFS	(8)
57 #define XEXCR_DST_BURST_LIMIT_MASK	(7 << XEXCR_DST_BURST_LIMIT_OFFS)
58 #define XEXCR_DRD_RES_SWP_OFFS		(12)
59 #define XEXCR_DRD_RES_SWP_MASK		(1 << XEXCR_DRD_RES_SWP_OFFS)
60 #define XEXCR_DWR_REQ_SWP_OFFS		(13)
61 #define XEXCR_DWR_REQ_SWP_MASK		(1 << XEXCR_DWR_REQ_SWP_OFFS)
62 #define XEXCR_DES_SWP_OFFS		(14)
63 #define XEXCR_DES_SWP_MASK		(1 << XEXCR_DES_SWP_OFFS)
64 #define XEXCR_REG_ACC_PROTECT_OFFS	(15)
65 #define XEXCR_REG_ACC_PROTECT_MASK	(1 << XEXCR_REG_ACC_PROTECT_OFFS)
66 
67 /* XOR Engine [0..1] Activation Registers (XExACTR) */
68 #define XEXACTR_XESTART_OFFS		(0)
69 #define XEXACTR_XESTART_MASK		(1 << XEXACTR_XESTART_OFFS)
70 #define XEXACTR_XESTOP_OFFS		(1)
71 #define XEXACTR_XESTOP_MASK		(1 << XEXACTR_XESTOP_OFFS)
72 #define XEXACTR_XEPAUSE_OFFS		(2)
73 #define XEXACTR_XEPAUSE_MASK		(1 << XEXACTR_XEPAUSE_OFFS)
74 #define XEXACTR_XERESTART_OFFS		(3)
75 #define XEXACTR_XERESTART_MASK		(1 << XEXACTR_XERESTART_OFFS)
76 #define XEXACTR_XESTATUS_OFFS		(4)
77 #define XEXACTR_XESTATUS_MASK		(3 << XEXACTR_XESTATUS_OFFS)
78 #define XEXACTR_XESTATUS_IDLE		(0 << XEXACTR_XESTATUS_OFFS)
79 #define XEXACTR_XESTATUS_ACTIVE		(1 << XEXACTR_XESTATUS_OFFS)
80 #define XEXACTR_XESTATUS_PAUSED		(2 << XEXACTR_XESTATUS_OFFS)
81 
82 /* XOR Engine [0..1] Destination Pointer Register (XExDPR0) */
83 #define XEXDPR_DST_PTR_OFFS		(0)
84 #define XEXDPR_DST_PTR_MASK		(0xFFFFFFFF << XEXDPR_DST_PTR_OFFS)
85 #define XEXDPR_DST_PTR_XOR_MASK		(0x3F)
86 #define XEXDPR_DST_PTR_DMA_MASK		(0x1F)
87 #define XEXDPR_DST_PTR_CRC_MASK		(0x1F)
88 
89 /* XOR Engine[0..1] Block Size Registers (XExBSR) */
90 #define XEXBSR_BLOCK_SIZE_OFFS		(0)
91 #define XEXBSR_BLOCK_SIZE_MASK		(0xFFFFFFFF << XEXBSR_BLOCK_SIZE_OFFS)
92 #define XEXBSR_BLOCK_SIZE_MIN_VALUE	(128)
93 #define XEXBSR_BLOCK_SIZE_MAX_VALUE	(0xFFFFFFFF)
94 
95 /* XOR Engine Address Decoding Register Map */
96 #define XOR_WINDOW_CTRL_REG(unit, chan)	(MV_XOR_REGS_BASE(unit) + (0x240 + ((chan) * 4)))
97 #define XOR_BASE_ADDR_REG(unit, win)	(MV_XOR_REGS_BASE(unit) + (0x250 + ((win) * 4)))
98 #define XOR_SIZE_MASK_REG(unit, win)	(MV_XOR_REGS_BASE(unit) + (0x270 + ((win) * 4)))
99 #define XOR_HIGH_ADDR_REMAP_REG(unit, win) (MV_XOR_REGS_BASE(unit) + (0x290 + ((win) * 4)))
100 #define XOR_ADDR_OVRD_REG(unit, win)	(MV_XOR_REGS_BASE(unit) + (0x2A0 + ((win) * 4)))
101 
102 #endif /* __XOR_REGS_H */
103