123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263 |
- /*
- * 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
|