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/***********************license start*************** * Author: Cavium Networks * * Contact: support@caviumnetworks.com * This file is part of the OCTEON SDK * * Copyright (c) 2003-2009 Cavium Networks * * This file is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License, Version 2, as * published by the Free Software Foundation. * * This file is distributed in the hope that it will be useful, but * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or * NONINFRINGEMENT. See the GNU General Public License for more * details. * * You should have received a copy of the GNU General Public License * along with this file; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * or visit http://www.gnu.org/licenses/. * * This file may also be available under a different license from Cavium. * Contact Cavium Networks for more information ***********************license end**************************************/ /** * Typedefs and defines for working with Octeon physical addresses. * */ #ifndef __CVMX_ADDRESS_H__ #define __CVMX_ADDRESS_H__ #if 0 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; #endif 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, /* see cvmx_add_win_dma_dec_t for further decode */ CVMX_ADD_WIN_DMA = 1L, CVMX_ADD_WIN_UNUSED = 2L, CVMX_ADD_WIN_UNUSED2 = 3L } cvmx_add_win_dec_t; /* decode within DMA space */ typedef enum { /* * Add store data to the write buffer entry, allocating it if * necessary. */ CVMX_ADD_WIN_DMA_ADD = 0L, /* send out the write buffer entry to DRAM */ CVMX_ADD_WIN_DMA_SENDMEM = 1L, /* store data must be normal DRAM memory space address in this case */ /* send out the write buffer entry as an IOBDMA command */ CVMX_ADD_WIN_DMA_SENDDMA = 2L, /* see CVMX_ADD_WIN_DMA_SEND_DEC for data contents */ /* send out the write buffer entry as an IO write */ CVMX_ADD_WIN_DMA_SENDIO = 3L, /* store data must be normal IO space address in this case */ /* send out a single-tick command on the NCB bus */ CVMX_ADD_WIN_DMA_SENDSINGLE = 4L, /* 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; #ifdef __BIG_ENDIAN_BITFIELD /* mapped or unmapped virtual address */ struct { uint64_t R:2; uint64_t offset:62; } sva; /* mapped USEG virtual addresses (typically) */ struct { uint64_t zeroes:33; uint64_t offset:31; } suseg; /* mapped or unmapped virtual address */ struct { uint64_t ones:33; uint64_t sp:2; uint64_t offset:29; } sxkseg; /* * physical address accessed through xkphys unmapped virtual * address. */ struct { uint64_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 */ struct { uint64_t mbz:15; /* if set, the address is uncached and resides on MCB bus */ uint64_t is_io:1; /* * the hardware ignores this field when is_io==0, else * device ID. */ uint64_t did:8; /* the hardware ignores <39:36> in Octeon I */ uint64_t unaddr:4; uint64_t offset:36; } sphys; /* physical mem address */ struct { /* techically, <47:40> are dont-cares */ uint64_t zeroes:24; /* the hardware ignores <39:36> in Octeon I */ uint64_t unaddr:4; uint64_t offset:36; } smem; /* physical IO address */ struct { uint64_t mem_region:2; uint64_t mbz:13; /* 1 in this case */ uint64_t is_io:1; /* * The hardware ignores this field when is_io==0, else * device ID. */ uint64_t did:8; /* the hardware ignores <39:36> in Octeon I */ uint64_t unaddr:4; uint64_t offset:36; } sio; /* * Scratchpad virtual address - accessed through a window at * the end of kseg3 */ struct { uint64_t ones:49; /* CVMX_ADD_WIN_SCR (0) in this case */ cvmx_add_win_dec_t csrdec:2; uint64_t addr:13; } sscr; /* there should only be stores to IOBDMA space, no loads */ /* * IOBDMA virtual address - accessed through a window at the * end of kseg3 */ struct { uint64_t ones:49; uint64_t csrdec:2; /* CVMX_ADD_WIN_DMA (1) in this case */ uint64_t unused2:3; uint64_t type:3; uint64_t addr:7; } sdma; struct { uint64_t didspace:24; uint64_t unused:40; } sfilldidspace; #else struct { uint64_t offset:62; uint64_t R:2; } sva; struct { uint64_t offset:31; uint64_t zeroes:33; } suseg; struct { uint64_t offset:29; uint64_t sp:2; uint64_t ones:33; } sxkseg; struct { uint64_t pa:49; uint64_t mbz:10; uint64_t cca:3; uint64_t R:2; } sxkphys; struct { uint64_t offset:36; uint64_t unaddr:4; uint64_t did:8; uint64_t is_io:1; uint64_t mbz:15; } sphys; struct { uint64_t offset:36; uint64_t unaddr:4; uint64_t zeroes:24; } smem; struct { uint64_t offset:36; uint64_t unaddr:4; uint64_t did:8; uint64_t is_io:1; uint64_t mbz:13; uint64_t mem_region:2; } sio; struct { uint64_t addr:13; cvmx_add_win_dec_t csrdec:2; uint64_t ones:49; } sscr; struct { uint64_t addr:7; uint64_t type:3; uint64_t unused2:3; uint64_t csrdec:2; uint64_t ones:49; } sdma; struct { uint64_t unused:40; uint64_t didspace:24; } sfilldidspace; #endif } 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) #endif /* __CVMX_ADDRESS_H__ */
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