1 /***********************license start***************
2 * Author: Cavium Networks
4 * Contact: support@caviumnetworks.com
5 * This file is part of the OCTEON SDK
7 * Copyright (c) 2003-2009 Cavium Networks
9 * This file is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License, Version 2, as
11 * published by the Free Software Foundation.
13 * This file is distributed in the hope that it will be useful, but
14 * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
15 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
16 * NONINFRINGEMENT. See the GNU General Public License for more
19 * You should have received a copy of the GNU General Public License
20 * along with this file; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 * or visit http://www.gnu.org/licenses/.
24 * This file may also be available under a different license from Cavium.
25 * Contact Cavium Networks for more information
26 ***********************license end**************************************/
29 * Typedefs and defines for working with Octeon physical addresses.
32 #ifndef __CVMX_ADDRESS_H__
33 #define __CVMX_ADDRESS_H__
37 CVMX_MIPS_SPACE_XKSEG = 3LL,
38 CVMX_MIPS_SPACE_XKPHYS = 2LL,
39 CVMX_MIPS_SPACE_XSSEG = 1LL,
40 CVMX_MIPS_SPACE_XUSEG = 0LL
45 CVMX_MIPS_XKSEG_SPACE_KSEG0 = 0LL,
46 CVMX_MIPS_XKSEG_SPACE_KSEG1 = 1LL,
47 CVMX_MIPS_XKSEG_SPACE_SSEG = 2LL,
48 CVMX_MIPS_XKSEG_SPACE_KSEG3 = 3LL
49 } cvmx_mips_xkseg_space_t;
51 /* decodes <14:13> of a kseg3 window address */
53 CVMX_ADD_WIN_SCR = 0L,
54 /* see cvmx_add_win_dma_dec_t for further decode */
55 CVMX_ADD_WIN_DMA = 1L,
56 CVMX_ADD_WIN_UNUSED = 2L,
57 CVMX_ADD_WIN_UNUSED2 = 3L
60 /* decode within DMA space */
63 * Add store data to the write buffer entry, allocating it if
66 CVMX_ADD_WIN_DMA_ADD = 0L,
67 /* send out the write buffer entry to DRAM */
68 CVMX_ADD_WIN_DMA_SENDMEM = 1L,
69 /* store data must be normal DRAM memory space address in this case */
70 /* send out the write buffer entry as an IOBDMA command */
71 CVMX_ADD_WIN_DMA_SENDDMA = 2L,
72 /* see CVMX_ADD_WIN_DMA_SEND_DEC for data contents */
73 /* send out the write buffer entry as an IO write */
74 CVMX_ADD_WIN_DMA_SENDIO = 3L,
75 /* store data must be normal IO space address in this case */
76 /* send out a single-tick command on the NCB bus */
77 CVMX_ADD_WIN_DMA_SENDSINGLE = 4L,
78 /* no write buffer data needed/used */
79 } cvmx_add_win_dma_dec_t;
82 * Physical Address Decode
84 * Octeon-I HW never interprets this X (<39:36> reserved
85 * for future expansion), software should set to 0.
87 * - 0x0 XXX0 0000 0000 to DRAM Cached
88 * - 0x0 XXX0 0FFF FFFF
90 * - 0x0 XXX0 1000 0000 to Boot Bus Uncached (Converted to 0x1 00X0 1000 0000
91 * - 0x0 XXX0 1FFF FFFF + EJTAG to 0x1 00X0 1FFF FFFF)
93 * - 0x0 XXX0 2000 0000 to DRAM Cached
94 * - 0x0 XXXF FFFF FFFF
96 * - 0x1 00X0 0000 0000 to Boot Bus Uncached
97 * - 0x1 00XF FFFF FFFF
99 * - 0x1 01X0 0000 0000 to Other NCB Uncached
100 * - 0x1 FFXF FFFF FFFF devices
102 * Decode of all Octeon addresses
107 /* mapped or unmapped virtual address */
113 /* mapped USEG virtual addresses (typically) */
119 /* mapped or unmapped virtual address */
127 * physical address accessed through xkphys unmapped virtual
131 uint64_t R:2; /* CVMX_MIPS_SPACE_XKPHYS in this case */
132 uint64_t cca:3; /* ignored by octeon */
134 uint64_t pa:49; /* physical address */
137 /* physical address */
140 /* if set, the address is uncached and resides on MCB bus */
143 * the hardware ignores this field when is_io==0, else
147 /* the hardware ignores <39:36> in Octeon I */
152 /* physical mem address */
154 /* techically, <47:40> are dont-cares */
156 /* the hardware ignores <39:36> in Octeon I */
161 /* physical IO address */
163 uint64_t mem_region:2;
168 * The hardware ignores this field when is_io==0, else
172 /* the hardware ignores <39:36> in Octeon I */
178 * Scratchpad virtual address - accessed through a window at
183 /* CVMX_ADD_WIN_SCR (0) in this case */
184 cvmx_add_win_dec_t csrdec:2;
188 /* there should only be stores to IOBDMA space, no loads */
190 * IOBDMA virtual address - accessed through a window at the
195 uint64_t csrdec:2; /* CVMX_ADD_WIN_DMA (1) in this case */
202 uint64_t didspace:24;
208 /* These macros for used by 32 bit applications */
210 #define CVMX_MIPS32_SPACE_KSEG0 1l
211 #define CVMX_ADD_SEG32(segment, add) \
212 (((int32_t)segment << 31) | (int32_t)(add))
215 * Currently all IOs are performed using XKPHYS addressing. Linux uses
216 * the CvmMemCtl register to enable XKPHYS addressing to IO space from
217 * user mode. Future OSes may need to change the upper bits of IO
218 * addresses. The following define controls the upper two bits for all
219 * IO addresses generated by the simple executive library.
221 #define CVMX_IO_SEG CVMX_MIPS_SPACE_XKPHYS
223 /* These macros simplify the process of creating common IO addresses */
224 #define CVMX_ADD_SEG(segment, add) ((((uint64_t)segment) << 62) | (add))
225 #ifndef CVMX_ADD_IO_SEG
226 #define CVMX_ADD_IO_SEG(add) CVMX_ADD_SEG(CVMX_IO_SEG, (add))
228 #define CVMX_ADDR_DIDSPACE(did) (((CVMX_IO_SEG) << 22) | ((1ULL) << 8) | (did))
229 #define CVMX_ADDR_DID(did) (CVMX_ADDR_DIDSPACE(did) << 40)
230 #define CVMX_FULL_DID(did, subdid) (((did) << 3) | (subdid))
232 /* from include/ncb_rsl_id.v */
233 #define CVMX_OCT_DID_MIS 0ULL /* misc stuff */
234 #define CVMX_OCT_DID_GMX0 1ULL
235 #define CVMX_OCT_DID_GMX1 2ULL
236 #define CVMX_OCT_DID_PCI 3ULL
237 #define CVMX_OCT_DID_KEY 4ULL
238 #define CVMX_OCT_DID_FPA 5ULL
239 #define CVMX_OCT_DID_DFA 6ULL
240 #define CVMX_OCT_DID_ZIP 7ULL
241 #define CVMX_OCT_DID_RNG 8ULL
242 #define CVMX_OCT_DID_IPD 9ULL
243 #define CVMX_OCT_DID_PKT 10ULL
244 #define CVMX_OCT_DID_TIM 11ULL
245 #define CVMX_OCT_DID_TAG 12ULL
246 /* the rest are not on the IO bus */
247 #define CVMX_OCT_DID_L2C 16ULL
248 #define CVMX_OCT_DID_LMC 17ULL
249 #define CVMX_OCT_DID_SPX0 18ULL
250 #define CVMX_OCT_DID_SPX1 19ULL
251 #define CVMX_OCT_DID_PIP 20ULL
252 #define CVMX_OCT_DID_ASX0 22ULL
253 #define CVMX_OCT_DID_ASX1 23ULL
254 #define CVMX_OCT_DID_IOB 30ULL
256 #define CVMX_OCT_DID_PKT_SEND CVMX_FULL_DID(CVMX_OCT_DID_PKT, 2ULL)
257 #define CVMX_OCT_DID_TAG_SWTAG CVMX_FULL_DID(CVMX_OCT_DID_TAG, 0ULL)
258 #define CVMX_OCT_DID_TAG_TAG1 CVMX_FULL_DID(CVMX_OCT_DID_TAG, 1ULL)
259 #define CVMX_OCT_DID_TAG_TAG2 CVMX_FULL_DID(CVMX_OCT_DID_TAG, 2ULL)
260 #define CVMX_OCT_DID_TAG_TAG3 CVMX_FULL_DID(CVMX_OCT_DID_TAG, 3ULL)
261 #define CVMX_OCT_DID_TAG_NULL_RD CVMX_FULL_DID(CVMX_OCT_DID_TAG, 4ULL)
262 #define CVMX_OCT_DID_TAG_CSR CVMX_FULL_DID(CVMX_OCT_DID_TAG, 7ULL)
263 #define CVMX_OCT_DID_FAU_FAI CVMX_FULL_DID(CVMX_OCT_DID_IOB, 0ULL)
264 #define CVMX_OCT_DID_TIM_CSR CVMX_FULL_DID(CVMX_OCT_DID_TIM, 0ULL)
265 #define CVMX_OCT_DID_KEY_RW CVMX_FULL_DID(CVMX_OCT_DID_KEY, 0ULL)
266 #define CVMX_OCT_DID_PCI_6 CVMX_FULL_DID(CVMX_OCT_DID_PCI, 6ULL)
267 #define CVMX_OCT_DID_MIS_BOO CVMX_FULL_DID(CVMX_OCT_DID_MIS, 0ULL)
268 #define CVMX_OCT_DID_PCI_RML CVMX_FULL_DID(CVMX_OCT_DID_PCI, 0ULL)
269 #define CVMX_OCT_DID_IPD_CSR CVMX_FULL_DID(CVMX_OCT_DID_IPD, 7ULL)
270 #define CVMX_OCT_DID_DFA_CSR CVMX_FULL_DID(CVMX_OCT_DID_DFA, 7ULL)
271 #define CVMX_OCT_DID_MIS_CSR CVMX_FULL_DID(CVMX_OCT_DID_MIS, 7ULL)
272 #define CVMX_OCT_DID_ZIP_CSR CVMX_FULL_DID(CVMX_OCT_DID_ZIP, 0ULL)
274 #endif /* __CVMX_ADDRESS_H__ */