1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (C) Marvell International Ltd. and its affiliates
9 #define SRAM_BASE 0x40000000
11 #include "ddr3_hws_hw_training_def.h"
13 #define MV_XOR_MAX_UNIT 2 /* XOR unit == XOR engine */
14 #define MV_XOR_MAX_CHAN 4 /* total channels for all units */
15 #define MV_XOR_MAX_CHAN_PER_UNIT 2 /* channels for units */
17 #define MV_IS_POWER_OF_2(num) (((num) != 0) && (((num) & ((num) - 1)) == 0))
20 * This structure describes address space window. Window base can be
21 * 64 bit, window size up to 4GB
24 u32 base_low; /* 32bit base low */
25 u32 base_high; /* 32bit base high */
26 u32 size; /* 32bit size */
29 /* This structure describes SoC units address decode window */
30 struct unit_win_info {
31 struct addr_win addr_win; /* An address window */
32 int enable; /* Address decode window is enabled/disabled */
33 u8 attrib; /* chip select attributes */
34 u8 target_id; /* Target Id of this MV_TARGET */
38 * This enumerator describes the type of functionality the XOR channel
39 * can have while using the same data structures.
42 MV_XOR, /* XOR channel functions as XOR accelerator */
43 MV_DMA, /* XOR channel functions as IDMA channel */
44 MV_CRC32 /* XOR channel functions as CRC 32 calculator */
55 * This enumerator describes the set of commands that can be applied on
56 * an engine (e.g. IDMA, XOR). Appling a comman depends on the current
57 * status (see MV_STATE enumerator)
59 * Start can be applied only when status is IDLE
60 * Stop can be applied only when status is IDLE, ACTIVE or PAUSED
61 * Pause can be applied only when status is ACTIVE
62 * Restart can be applied only when status is PAUSED
68 MV_RESTART /* Restart */
71 enum xor_override_target {
72 SRC_ADDR0, /* Source Address #0 Control */
73 SRC_ADDR1, /* Source Address #1 Control */
74 SRC_ADDR2, /* Source Address #2 Control */
75 SRC_ADDR3, /* Source Address #3 Control */
76 SRC_ADDR4, /* Source Address #4 Control */
77 SRC_ADDR5, /* Source Address #5 Control */
78 SRC_ADDR6, /* Source Address #6 Control */
79 SRC_ADDR7, /* Source Address #7 Control */
80 XOR_DST_ADDR, /* Destination Address Control */
81 XOR_NEXT_DESC /* Next Descriptor Address Control */
84 enum mv_state mv_xor_state_get(u32 chan);
85 void mv_xor_hal_init(u32 xor_chan_num);
86 int mv_xor_ctrl_set(u32 chan, u32 xor_ctrl);
87 int mv_xor_command_set(u32 chan, enum mv_command command);
88 int mv_xor_override_set(u32 chan, enum xor_override_target target, u32 win_num,