Duy Truong | f3ac7b3 | 2013-02-13 01:07:28 -0800 | [diff] [blame] | 1 | /* Copyright (c) 2009, The Linux Foundation. All rights reserved. |
Chandan Uddaraju | c6860e1 | 2009-11-19 11:22:15 -0800 | [diff] [blame] | 2 | * |
Ajay Dudani | fa746af | 2009-12-02 13:51:09 -0800 | [diff] [blame] | 3 | * Redistribution and use in source and binary forms, with or without |
| 4 | * modification, are permitted provided that the following conditions are met: |
| 5 | * * Redistributions of source code must retain the above copyright |
| 6 | * notice, this list of conditions and the following disclaimer. |
| 7 | * * Redistributions in binary form must reproduce the above copyright |
| 8 | * notice, this list of conditions and the following disclaimer in the |
| 9 | * documentation and/or other materials provided with the distribution. |
Duy Truong | f3ac7b3 | 2013-02-13 01:07:28 -0800 | [diff] [blame] | 10 | * * Neither the name of The Linux Foundation nor |
Ajay Dudani | fa746af | 2009-12-02 13:51:09 -0800 | [diff] [blame] | 11 | * the names of its contributors may be used to endorse or promote |
| 12 | * products derived from this software without specific prior written |
| 13 | * permission. |
Chandan Uddaraju | c6860e1 | 2009-11-19 11:22:15 -0800 | [diff] [blame] | 14 | * |
Ajay Dudani | fa746af | 2009-12-02 13:51:09 -0800 | [diff] [blame] | 15 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 16 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 17 | * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 18 | * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| 19 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 20 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 21 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| 22 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 23 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| 24 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| 25 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
Chandan Uddaraju | c6860e1 | 2009-11-19 11:22:15 -0800 | [diff] [blame] | 26 | * |
| 27 | */ |
| 28 | |
| 29 | #include <reg.h> |
Ajay Dudani | 3337ebb | 2009-12-05 18:13:05 -0800 | [diff] [blame] | 30 | #include <debug.h> |
| 31 | #include <smem.h> |
Chandan Uddaraju | c6860e1 | 2009-11-19 11:22:15 -0800 | [diff] [blame] | 32 | |
Chandan Uddaraju | a71835f | 2010-03-31 13:06:47 -0700 | [diff] [blame] | 33 | #define EBI1_ADDR_128M 0x08000000 |
Ajay Dudani | a1eafc4 | 2010-04-21 19:48:11 -0700 | [diff] [blame] | 34 | #define SIZE_1M 0x00100000 |
Chandan Uddaraju | c6860e1 | 2009-11-19 11:22:15 -0800 | [diff] [blame] | 35 | |
Ajay Dudani | a1eafc4 | 2010-04-21 19:48:11 -0700 | [diff] [blame] | 36 | static int scratch_addr = -1; |
David Ng | 3679bc5 | 2010-02-09 15:43:43 -0800 | [diff] [blame] | 37 | |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 38 | unsigned *target_atag_mem(unsigned *ptr) |
David Ng | 3679bc5 | 2010-02-09 15:43:43 -0800 | [diff] [blame] | 39 | { |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 40 | struct smem_ram_ptable ram_ptable; |
| 41 | unsigned i = 0; |
Ajay Dudani | 3337ebb | 2009-12-05 18:13:05 -0800 | [diff] [blame] | 42 | |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 43 | if (smem_ram_ptable_init(&ram_ptable)) { |
| 44 | for (i = 0; i < ram_ptable.len; i++) { |
| 45 | if ((ram_ptable.parts[i].attr == READWRITE) |
| 46 | && (ram_ptable.parts[i].domain == APPS_DOMAIN) |
| 47 | && (ram_ptable.parts[i].type == APPS_MEMORY) |
| 48 | && (ram_ptable.parts[i].category != IMEM)) { |
| 49 | /* ATAG_MEM */ |
| 50 | *ptr++ = 4; |
| 51 | *ptr++ = 0x54410002; |
| 52 | *ptr++ = ram_ptable.parts[i].size; |
| 53 | *ptr++ = ram_ptable.parts[i].start; |
| 54 | } |
Ajay Dudani | 9539c2d | 2010-09-22 14:35:20 -0700 | [diff] [blame] | 55 | |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 56 | /* Check for modem bootloader memory that can be reclaimed */ |
| 57 | if ((ram_ptable.parts[i].attr == READWRITE) |
| 58 | && (ram_ptable.parts[i].domain == APPS_DOMAIN) |
| 59 | && (ram_ptable.parts[i].type == |
| 60 | BOOT_REGION_MEMORY1)) { |
| 61 | /* ATAG_MEM_OSBL */ |
| 62 | *ptr++ = 4; |
| 63 | *ptr++ = 0x5441000C; |
| 64 | *ptr++ = ram_ptable.parts[i].size; |
| 65 | *ptr++ = ram_ptable.parts[i].start; |
| 66 | } |
| 67 | } |
| 68 | } else { |
| 69 | dprintf(CRITICAL, "ERROR: Unable to read RAM partition\n"); |
| 70 | ASSERT(0); |
| 71 | } |
Chandan Uddaraju | a71835f | 2010-03-31 13:06:47 -0700 | [diff] [blame] | 72 | |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 73 | return ptr; |
Chandan Uddaraju | c6860e1 | 2009-11-19 11:22:15 -0800 | [diff] [blame] | 74 | } |
Ajay Dudani | 3337ebb | 2009-12-05 18:13:05 -0800 | [diff] [blame] | 75 | |
David Ng | 3679bc5 | 2010-02-09 15:43:43 -0800 | [diff] [blame] | 76 | void *target_get_scratch_address(void) |
| 77 | { |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 78 | struct smem_ram_ptable ram_ptable; |
| 79 | unsigned i = 0; |
Ajay Dudani | a1eafc4 | 2010-04-21 19:48:11 -0700 | [diff] [blame] | 80 | |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 81 | if (smem_ram_ptable_init(&ram_ptable)) { |
| 82 | for (i = 0; i < ram_ptable.len; i++) { |
| 83 | if ((ram_ptable.parts[i].attr == READWRITE) |
| 84 | && (ram_ptable.parts[i].domain == APPS_DOMAIN) |
| 85 | && (ram_ptable.parts[i].start != 0x0)) { |
| 86 | if (ram_ptable.parts[i].size >= |
| 87 | FASTBOOT_BUF_SIZE) { |
| 88 | scratch_addr = |
| 89 | ram_ptable.parts[i].start; |
| 90 | break; |
| 91 | } |
| 92 | } |
| 93 | } |
| 94 | } else { |
| 95 | dprintf(CRITICAL, "ERROR: Unable to read RAM partition\n"); |
| 96 | ASSERT(0); |
| 97 | } |
Ajay Dudani | a1eafc4 | 2010-04-21 19:48:11 -0700 | [diff] [blame] | 98 | |
Ajay Dudani | b01e506 | 2011-12-03 23:23:42 -0800 | [diff] [blame] | 99 | return (void *)((scratch_addr == -1) ? EBI1_ADDR_128M : scratch_addr); |
David Ng | 3679bc5 | 2010-02-09 15:43:43 -0800 | [diff] [blame] | 100 | } |
Srilakshmi Punuru | 4cd89c4 | 2011-07-29 20:16:39 +0530 | [diff] [blame] | 101 | |
| 102 | unsigned target_get_max_flash_size(void) |
| 103 | { |
Channagoud Kadabi | aa74367 | 2011-12-19 16:25:52 +0530 | [diff] [blame] | 104 | return (256 * 1024 * 1024); |
Srilakshmi Punuru | 4cd89c4 | 2011-07-29 20:16:39 +0530 | [diff] [blame] | 105 | } |