Achin Gupta | 4f6ad66 | 2013-10-25 09:08:21 +0100 | [diff] [blame] | 1 | /* |
Soby Mathew | c704cbc | 2014-08-14 11:33:56 +0100 | [diff] [blame] | 2 | * Copyright (c) 2014, ARM Limited and Contributors. All rights reserved. |
Achin Gupta | 4f6ad66 | 2013-10-25 09:08:21 +0100 | [diff] [blame] | 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions are met: |
| 6 | * |
| 7 | * Redistributions of source code must retain the above copyright notice, this |
| 8 | * list of conditions and the following disclaimer. |
| 9 | * |
| 10 | * Redistributions in binary form must reproduce the above copyright notice, |
| 11 | * this list of conditions and the following disclaimer in the documentation |
| 12 | * and/or other materials provided with the distribution. |
| 13 | * |
| 14 | * Neither the name of ARM nor the names of its contributors may be used |
| 15 | * to endorse or promote products derived from this software without specific |
| 16 | * prior written permission. |
| 17 | * |
| 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| 22 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 23 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 24 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 25 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 26 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 27 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 28 | * POSSIBILITY OF SUCH DAMAGE. |
| 29 | */ |
| 30 | |
| 31 | #include <arch.h> |
| 32 | |
Soby Mathew | c704cbc | 2014-08-14 11:33:56 +0100 | [diff] [blame] | 33 | #define CPU_IMPL_PN_MASK (MIDR_IMPL_MASK << MIDR_IMPL_SHIFT) | \ |
| 34 | (MIDR_PN_MASK << MIDR_PN_SHIFT) |
Achin Gupta | 4f6ad66 | 2013-10-25 09:08:21 +0100 | [diff] [blame] | 35 | |
Soby Mathew | c704cbc | 2014-08-14 11:33:56 +0100 | [diff] [blame] | 36 | /* |
| 37 | * Define the offsets to the fields in cpu_ops structure. |
| 38 | */ |
| 39 | .struct 0 |
| 40 | CPU_MIDR: /* cpu_ops midr */ |
| 41 | .space 8 |
| 42 | /* Reset fn is needed in BL at reset vector */ |
| 43 | #if IMAGE_BL1 || (IMAGE_BL31 && RESET_TO_BL31) |
| 44 | CPU_RESET_FUNC: /* cpu_ops reset_func */ |
| 45 | .space 8 |
| 46 | #endif |
Soby Mathew | 8e2f287 | 2014-08-14 12:49:05 +0100 | [diff] [blame] | 47 | #if IMAGE_BL31 /* The power down core and cluster is needed only in BL3-1 */ |
| 48 | CPU_PWR_DWN_CORE: /* cpu_ops core_pwr_dwn */ |
| 49 | .space 8 |
| 50 | CPU_PWR_DWN_CLUSTER: /* cpu_ops cluster_pwr_dwn */ |
| 51 | .space 8 |
| 52 | #endif |
Soby Mathew | 38b4bc9 | 2014-08-14 13:36:41 +0100 | [diff] [blame] | 53 | #if (IMAGE_BL31 && CRASH_REPORTING) |
| 54 | CPU_REG_DUMP: /* cpu specific register dump for crash reporting */ |
| 55 | .space 8 |
| 56 | #endif |
Soby Mathew | c704cbc | 2014-08-14 11:33:56 +0100 | [diff] [blame] | 57 | CPU_OPS_SIZE = . |
Achin Gupta | 4f6ad66 | 2013-10-25 09:08:21 +0100 | [diff] [blame] | 58 | |
Soby Mathew | c704cbc | 2014-08-14 11:33:56 +0100 | [diff] [blame] | 59 | /* |
| 60 | * Convenience macro to declare cpu_ops structure. |
| 61 | * Make sure the structure fields are as per the offsets |
| 62 | * defined above. |
Achin Gupta | 4f6ad66 | 2013-10-25 09:08:21 +0100 | [diff] [blame] | 63 | */ |
Soby Mathew | c704cbc | 2014-08-14 11:33:56 +0100 | [diff] [blame] | 64 | .macro declare_cpu_ops _name:req, _midr:req, _noresetfunc = 0 |
| 65 | .section cpu_ops, "a"; .align 3 |
| 66 | .type cpu_ops_\_name, %object |
| 67 | .quad \_midr |
| 68 | #if IMAGE_BL1 || (IMAGE_BL31 && RESET_TO_BL31) |
| 69 | .if \_noresetfunc |
| 70 | .quad 0 |
| 71 | .else |
| 72 | .quad \_name\()_reset_func |
| 73 | .endif |
| 74 | #endif |
Soby Mathew | 8e2f287 | 2014-08-14 12:49:05 +0100 | [diff] [blame] | 75 | #if IMAGE_BL31 |
| 76 | .quad \_name\()_core_pwr_dwn |
| 77 | .quad \_name\()_cluster_pwr_dwn |
| 78 | #endif |
Soby Mathew | 38b4bc9 | 2014-08-14 13:36:41 +0100 | [diff] [blame] | 79 | #if (IMAGE_BL31 && CRASH_REPORTING) |
| 80 | .quad \_name\()_cpu_reg_dump |
| 81 | #endif |
Soby Mathew | c704cbc | 2014-08-14 11:33:56 +0100 | [diff] [blame] | 82 | .endm |