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d01e8897 LB |
1 | /* |
2 | * Generic library functions for the microengines found on the Intel | |
3 | * IXP2000 series of network processors. | |
4 | * | |
5 | * Copyright (C) 2004, 2005 Lennert Buytenhek <buytenh@wantstofly.org> | |
6 | * Dedicated to Marija Kulikova. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU Lesser General Public License as | |
10 | * published by the Free Software Foundation; either version 2.1 of the | |
11 | * License, or (at your option) any later version. | |
12 | */ | |
13 | ||
14 | #ifndef __IXP2000_UENGINE_H | |
15 | #define __IXP2000_UENGINE_H | |
16 | ||
17 | extern u32 ixp2000_uengine_mask; | |
18 | ||
19 | struct ixp2000_uengine_code | |
20 | { | |
21 | u32 cpu_model_bitmask; | |
22 | u8 cpu_min_revision; | |
23 | u8 cpu_max_revision; | |
24 | ||
25 | u32 uengine_parameters; | |
26 | ||
27 | struct ixp2000_reg_value { | |
28 | int reg; | |
29 | u32 value; | |
30 | } *initial_reg_values; | |
31 | ||
32 | int num_insns; | |
33 | u8 *insns; | |
34 | }; | |
35 | ||
36 | u32 ixp2000_uengine_csr_read(int uengine, int offset); | |
37 | void ixp2000_uengine_csr_write(int uengine, int offset, u32 value); | |
38 | void ixp2000_uengine_reset(u32 uengine_mask); | |
39 | void ixp2000_uengine_set_mode(int uengine, u32 mode); | |
40 | void ixp2000_uengine_load_microcode(int uengine, u8 *ucode, int insns); | |
41 | void ixp2000_uengine_init_context(int uengine, int context, int pc); | |
42 | void ixp2000_uengine_start_contexts(int uengine, u8 ctx_mask); | |
43 | void ixp2000_uengine_stop_contexts(int uengine, u8 ctx_mask); | |
44 | int ixp2000_uengine_load(int uengine, struct ixp2000_uengine_code *c); | |
45 | ||
46 | #define IXP2000_UENGINE_8_CONTEXTS 0x00000000 | |
47 | #define IXP2000_UENGINE_4_CONTEXTS 0x80000000 | |
48 | #define IXP2000_UENGINE_PRN_UPDATE_EVERY 0x40000000 | |
49 | #define IXP2000_UENGINE_PRN_UPDATE_ON_ACCESS 0x00000000 | |
50 | #define IXP2000_UENGINE_NN_FROM_SELF 0x00100000 | |
51 | #define IXP2000_UENGINE_NN_FROM_PREVIOUS 0x00000000 | |
52 | #define IXP2000_UENGINE_ASSERT_EMPTY_AT_3 0x000c0000 | |
53 | #define IXP2000_UENGINE_ASSERT_EMPTY_AT_2 0x00080000 | |
54 | #define IXP2000_UENGINE_ASSERT_EMPTY_AT_1 0x00040000 | |
55 | #define IXP2000_UENGINE_ASSERT_EMPTY_AT_0 0x00000000 | |
56 | #define IXP2000_UENGINE_LM_ADDR1_GLOBAL 0x00020000 | |
57 | #define IXP2000_UENGINE_LM_ADDR1_PER_CONTEXT 0x00000000 | |
58 | #define IXP2000_UENGINE_LM_ADDR0_GLOBAL 0x00010000 | |
59 | #define IXP2000_UENGINE_LM_ADDR0_PER_CONTEXT 0x00000000 | |
60 | ||
61 | ||
62 | #endif |