diff options
author | Juli Mallett <jmallett@FreeBSD.org> | 2010-07-20 07:11:19 +0000 |
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committer | Juli Mallett <jmallett@FreeBSD.org> | 2010-07-20 07:11:19 +0000 |
commit | 1c305b501145f696d3597fb9b5b2091caaa6f67c (patch) | |
tree | 776ea14a76df76cd5ee4d9b63107c1e819c68914 /cvmx-address.h |
Initial import of Cavium Networks Octeon Simple Executive, SDK version 1.9.0.vendor/octeon-sdk/1.9.0
Notes
Notes:
svn path=/vendor-sys/octeon-sdk/dist/; revision=210284
svn path=/vendor-sys/octeon-sdk/1.9.0/; revision=210285; tag=vendor/octeon-sdk/1.9.0
Diffstat (limited to 'cvmx-address.h')
-rw-r--r-- | cvmx-address.h | 253 |
1 files changed, 253 insertions, 0 deletions
diff --git a/cvmx-address.h b/cvmx-address.h new file mode 100644 index 000000000000..096a68ab958f --- /dev/null +++ b/cvmx-address.h @@ -0,0 +1,253 @@ +/***********************license start*************** + * Copyright (c) 2003-2009 Cavium Networks (support@cavium.com). All rights + * reserved. + * + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * + * * Neither the name of Cavium Networks nor the names of + * its contributors may be used to endorse or promote products + * derived from this software without specific prior written + * permission. + * + * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" + * AND WITH ALL FAULTS AND CAVIUM NETWORKS MAKES NO PROMISES, REPRESENTATIONS + * OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH + * RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY + * REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT + * DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES + * OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR + * PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET + * POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT + * OF USE OR PERFORMANCE OF THE SOFTWARE LIES WITH YOU. + * + * + * For any questions regarding licensing please contact marketing@caviumnetworks.com + * + ***********************license end**************************************/ + +/** + * @file + * Typedefs and defines for working with Octeon physical addresses. + * + * <hr>$Revision: 38306 $<hr> +*/ +#ifndef __CVMX_ADDRESS_H__ +#define __CVMX_ADDRESS_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +typedef enum { + CVMX_MIPS_SPACE_XKSEG = 3LL, + CVMX_MIPS_SPACE_XKPHYS = 2LL, + CVMX_MIPS_SPACE_XSSEG = 1LL, + CVMX_MIPS_SPACE_XUSEG = 0LL +} cvmx_mips_space_t; + +typedef enum { + CVMX_MIPS_XKSEG_SPACE_KSEG0 = 0LL, + CVMX_MIPS_XKSEG_SPACE_KSEG1 = 1LL, + CVMX_MIPS_XKSEG_SPACE_SSEG = 2LL, + CVMX_MIPS_XKSEG_SPACE_KSEG3 = 3LL +} cvmx_mips_xkseg_space_t; + +// decodes <14:13> of a kseg3 window address +typedef enum { + CVMX_ADD_WIN_SCR = 0L, + CVMX_ADD_WIN_DMA = 1L, // see cvmx_add_win_dma_dec_t for further decode + CVMX_ADD_WIN_UNUSED = 2L, + CVMX_ADD_WIN_UNUSED2 = 3L +} cvmx_add_win_dec_t; + +// decode within DMA space +typedef enum { + CVMX_ADD_WIN_DMA_ADD = 0L, // add store data to the write buffer entry, allocating it if necessary + CVMX_ADD_WIN_DMA_SENDMEM = 1L, // send out the write buffer entry to DRAM + // store data must be normal DRAM memory space address in this case + CVMX_ADD_WIN_DMA_SENDDMA = 2L, // send out the write buffer entry as an IOBDMA command + // see CVMX_ADD_WIN_DMA_SEND_DEC for data contents + CVMX_ADD_WIN_DMA_SENDIO = 3L, // send out the write buffer entry as an IO write + // store data must be normal IO space address in this case + CVMX_ADD_WIN_DMA_SENDSINGLE = 4L, // send out a single-tick command on the NCB bus + // no write buffer data needed/used +} cvmx_add_win_dma_dec_t; + + + +/** + * Physical Address Decode + * + * Octeon-I HW never interprets this X (<39:36> reserved + * for future expansion), software should set to 0. + * + * - 0x0 XXX0 0000 0000 to DRAM Cached + * - 0x0 XXX0 0FFF FFFF + * + * - 0x0 XXX0 1000 0000 to Boot Bus Uncached (Converted to 0x1 00X0 1000 0000 + * - 0x0 XXX0 1FFF FFFF + EJTAG to 0x1 00X0 1FFF FFFF) + * + * - 0x0 XXX0 2000 0000 to DRAM Cached + * - 0x0 XXXF FFFF FFFF + * + * - 0x1 00X0 0000 0000 to Boot Bus Uncached + * - 0x1 00XF FFFF FFFF + * + * - 0x1 01X0 0000 0000 to Other NCB Uncached + * - 0x1 FFXF FFFF FFFF devices + * + * Decode of all Octeon addresses + */ +typedef union { + + uint64_t u64; + + struct { + cvmx_mips_space_t R : 2; + uint64_t offset :62; + } sva; // mapped or unmapped virtual address + + struct { + uint64_t zeroes :33; + uint64_t offset :31; + } suseg; // mapped USEG virtual addresses (typically) + + struct { + uint64_t ones :33; + cvmx_mips_xkseg_space_t sp : 2; + uint64_t offset :29; + } sxkseg; // mapped or unmapped virtual address + + struct { + cvmx_mips_space_t R : 2; // CVMX_MIPS_SPACE_XKPHYS in this case + uint64_t cca : 3; // ignored by octeon + uint64_t mbz :10; + uint64_t pa :49; // physical address + } sxkphys; // physical address accessed through xkphys unmapped virtual address + + struct { + uint64_t mbz :15; + uint64_t is_io : 1; // if set, the address is uncached and resides on MCB bus + uint64_t did : 8; // the hardware ignores this field when is_io==0, else device ID + uint64_t unaddr: 4; // the hardware ignores <39:36> in Octeon I + uint64_t offset :36; + } sphys; // physical address + + struct { + uint64_t zeroes :24; // techically, <47:40> are dont-cares + uint64_t unaddr: 4; // the hardware ignores <39:36> in Octeon I + uint64_t offset :36; + } smem; // physical mem address + + struct { + uint64_t mem_region :2; + uint64_t mbz :13; + uint64_t is_io : 1; // 1 in this case + uint64_t did : 8; // the hardware ignores this field when is_io==0, else device ID + uint64_t unaddr: 4; // the hardware ignores <39:36> in Octeon I + uint64_t offset :36; + } sio; // physical IO address + + struct { + uint64_t ones : 49; + cvmx_add_win_dec_t csrdec : 2; // CVMX_ADD_WIN_SCR (0) in this case + uint64_t addr : 13; + } sscr; // scratchpad virtual address - accessed through a window at the end of kseg3 + + // there should only be stores to IOBDMA space, no loads + struct { + uint64_t ones : 49; + cvmx_add_win_dec_t csrdec : 2; // CVMX_ADD_WIN_DMA (1) in this case + uint64_t unused2: 3; + cvmx_add_win_dma_dec_t type : 3; + uint64_t addr : 7; + } sdma; // IOBDMA virtual address - accessed through a window at the end of kseg3 + + struct { + uint64_t didspace : 24; + uint64_t unused : 40; + } sfilldidspace; + +} cvmx_addr_t; + +/* These macros for used by 32 bit applications */ + +#define CVMX_MIPS32_SPACE_KSEG0 1l +#define CVMX_ADD_SEG32(segment, add) (((int32_t)segment << 31) | (int32_t)(add)) + +/* Currently all IOs are performed using XKPHYS addressing. Linux uses the + CvmMemCtl register to enable XKPHYS addressing to IO space from user mode. + Future OSes may need to change the upper bits of IO addresses. The + following define controls the upper two bits for all IO addresses generated + by the simple executive library */ +#define CVMX_IO_SEG CVMX_MIPS_SPACE_XKPHYS + +/* These macros simplify the process of creating common IO addresses */ +#define CVMX_ADD_SEG(segment, add) ((((uint64_t)segment) << 62) | (add)) +#ifndef CVMX_ADD_IO_SEG +#define CVMX_ADD_IO_SEG(add) CVMX_ADD_SEG(CVMX_IO_SEG, (add)) +#endif +#define CVMX_ADDR_DIDSPACE(did) (((CVMX_IO_SEG) << 22) | ((1ULL) << 8) | (did)) +#define CVMX_ADDR_DID(did) (CVMX_ADDR_DIDSPACE(did) << 40) +#define CVMX_FULL_DID(did,subdid) (((did) << 3) | (subdid)) + + +// from include/ncb_rsl_id.v +#define CVMX_OCT_DID_MIS 0ULL // misc stuff +#define CVMX_OCT_DID_GMX0 1ULL +#define CVMX_OCT_DID_GMX1 2ULL +#define CVMX_OCT_DID_PCI 3ULL +#define CVMX_OCT_DID_KEY 4ULL +#define CVMX_OCT_DID_FPA 5ULL +#define CVMX_OCT_DID_DFA 6ULL +#define CVMX_OCT_DID_ZIP 7ULL +#define CVMX_OCT_DID_RNG 8ULL +#define CVMX_OCT_DID_IPD 9ULL +#define CVMX_OCT_DID_PKT 10ULL +#define CVMX_OCT_DID_TIM 11ULL +#define CVMX_OCT_DID_TAG 12ULL +// the rest are not on the IO bus +#define CVMX_OCT_DID_L2C 16ULL +#define CVMX_OCT_DID_LMC 17ULL +#define CVMX_OCT_DID_SPX0 18ULL +#define CVMX_OCT_DID_SPX1 19ULL +#define CVMX_OCT_DID_PIP 20ULL +#define CVMX_OCT_DID_ASX0 22ULL +#define CVMX_OCT_DID_ASX1 23ULL +#define CVMX_OCT_DID_IOB 30ULL + +#define CVMX_OCT_DID_PKT_SEND CVMX_FULL_DID(CVMX_OCT_DID_PKT,2ULL) +#define CVMX_OCT_DID_TAG_SWTAG CVMX_FULL_DID(CVMX_OCT_DID_TAG,0ULL) +#define CVMX_OCT_DID_TAG_TAG1 CVMX_FULL_DID(CVMX_OCT_DID_TAG,1ULL) +#define CVMX_OCT_DID_TAG_TAG2 CVMX_FULL_DID(CVMX_OCT_DID_TAG,2ULL) +#define CVMX_OCT_DID_TAG_TAG3 CVMX_FULL_DID(CVMX_OCT_DID_TAG,3ULL) +#define CVMX_OCT_DID_TAG_NULL_RD CVMX_FULL_DID(CVMX_OCT_DID_TAG,4ULL) +#define CVMX_OCT_DID_TAG_CSR CVMX_FULL_DID(CVMX_OCT_DID_TAG,7ULL) +#define CVMX_OCT_DID_FAU_FAI CVMX_FULL_DID(CVMX_OCT_DID_IOB,0ULL) +#define CVMX_OCT_DID_TIM_CSR CVMX_FULL_DID(CVMX_OCT_DID_TIM,0ULL) +#define CVMX_OCT_DID_KEY_RW CVMX_FULL_DID(CVMX_OCT_DID_KEY,0ULL) +#define CVMX_OCT_DID_PCI_6 CVMX_FULL_DID(CVMX_OCT_DID_PCI,6ULL) +#define CVMX_OCT_DID_MIS_BOO CVMX_FULL_DID(CVMX_OCT_DID_MIS,0ULL) +#define CVMX_OCT_DID_PCI_RML CVMX_FULL_DID(CVMX_OCT_DID_PCI,0ULL) +#define CVMX_OCT_DID_IPD_CSR CVMX_FULL_DID(CVMX_OCT_DID_IPD,7ULL) +#define CVMX_OCT_DID_DFA_CSR CVMX_FULL_DID(CVMX_OCT_DID_DFA,7ULL) +#define CVMX_OCT_DID_MIS_CSR CVMX_FULL_DID(CVMX_OCT_DID_MIS,7ULL) +#define CVMX_OCT_DID_ZIP_CSR CVMX_FULL_DID(CVMX_OCT_DID_ZIP,0ULL) + +#ifdef __cplusplus +} +#endif + +#endif /* __CVMX_ADDRESS_H__ */ + |