| /* |
| * Generic library functions for the microengines found on the Intel |
| * IXP2000 series of network processors. |
| * |
| * Copyright (C) 2004, 2005 Lennert Buytenhek <buytenh@wantstofly.org> |
| * Dedicated to Marija Kulikova. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU Lesser General Public License as |
| * published by the Free Software Foundation; either version 2.1 of the |
| * License, or (at your option) any later version. |
| */ |
| |
| #ifndef __IXP2000_UENGINE_H |
| #define __IXP2000_UENGINE_H |
| |
| extern u32 ixp2000_uengine_mask; |
| |
| struct ixp2000_uengine_code |
| { |
| u32 cpu_model_bitmask; |
| u8 cpu_min_revision; |
| u8 cpu_max_revision; |
| |
| u32 uengine_parameters; |
| |
| struct ixp2000_reg_value { |
| int reg; |
| u32 value; |
| } *initial_reg_values; |
| |
| int num_insns; |
| u8 *insns; |
| }; |
| |
| u32 ixp2000_uengine_csr_read(int uengine, int offset); |
| void ixp2000_uengine_csr_write(int uengine, int offset, u32 value); |
| void ixp2000_uengine_reset(u32 uengine_mask); |
| void ixp2000_uengine_set_mode(int uengine, u32 mode); |
| void ixp2000_uengine_load_microcode(int uengine, u8 *ucode, int insns); |
| void ixp2000_uengine_init_context(int uengine, int context, int pc); |
| void ixp2000_uengine_start_contexts(int uengine, u8 ctx_mask); |
| void ixp2000_uengine_stop_contexts(int uengine, u8 ctx_mask); |
| int ixp2000_uengine_load(int uengine, struct ixp2000_uengine_code *c); |
| |
| #define IXP2000_UENGINE_8_CONTEXTS 0x00000000 |
| #define IXP2000_UENGINE_4_CONTEXTS 0x80000000 |
| #define IXP2000_UENGINE_PRN_UPDATE_EVERY 0x40000000 |
| #define IXP2000_UENGINE_PRN_UPDATE_ON_ACCESS 0x00000000 |
| #define IXP2000_UENGINE_NN_FROM_SELF 0x00100000 |
| #define IXP2000_UENGINE_NN_FROM_PREVIOUS 0x00000000 |
| #define IXP2000_UENGINE_ASSERT_EMPTY_AT_3 0x000c0000 |
| #define IXP2000_UENGINE_ASSERT_EMPTY_AT_2 0x00080000 |
| #define IXP2000_UENGINE_ASSERT_EMPTY_AT_1 0x00040000 |
| #define IXP2000_UENGINE_ASSERT_EMPTY_AT_0 0x00000000 |
| #define IXP2000_UENGINE_LM_ADDR1_GLOBAL 0x00020000 |
| #define IXP2000_UENGINE_LM_ADDR1_PER_CONTEXT 0x00000000 |
| #define IXP2000_UENGINE_LM_ADDR0_GLOBAL 0x00010000 |
| #define IXP2000_UENGINE_LM_ADDR0_PER_CONTEXT 0x00000000 |
| |
| |
| #endif |
