| Lennert Buytenhek | d01e889 | 2005-11-01 19:53:50 +0000 | [diff] [blame] | 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 |