diff options
Diffstat (limited to 'include/asm-arm/hardware')
| -rw-r--r-- | include/asm-arm/hardware/uengine.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/include/asm-arm/hardware/uengine.h b/include/asm-arm/hardware/uengine.h new file mode 100644 index 000000000000..b442d65c6593 --- /dev/null +++ b/include/asm-arm/hardware/uengine.h @@ -0,0 +1,62 @@ +/* + * 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 |