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authorJuli Mallett <jmallett@FreeBSD.org>2010-07-20 07:11:19 +0000
committerJuli Mallett <jmallett@FreeBSD.org>2010-07-20 07:11:19 +0000
commit1c305b501145f696d3597fb9b5b2091caaa6f67c (patch)
tree776ea14a76df76cd5ee4d9b63107c1e819c68914 /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')
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diff --git a/cvmx-address.h b/cvmx-address.h
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+/***********************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__ */
+