blob: 3e3b0dec27ac41af917f51e8f4e7953d4d58bdbd [file] [log] [blame]
Deepa Dinamani7dc3d4b2013-02-08 16:40:38 -08001/* Copyright (c) 2013, The Linux Foundation. All rights reserved.
2 *
3 * Redistribution and use in source and binary forms, with or without
4 * modification, are permitted provided that the following conditions are
5 * met:
6 * * Redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer.
8 * * Redistributions in binary form must reproduce the above
9 * copyright notice, this list of conditions and the following
10 * disclaimer in the documentation and/or other materials provided
11 * with the distribution.
12 * * Neither the name of The Linux Foundation nor the names of its
13 * contributors may be used to endorse or promote products derived
14 * from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
23 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
25 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
26 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <reg.h>
30#include <debug.h>
31#include <malloc.h>
32#include <smem.h>
33#include <stdint.h>
34#include <libfdt.h>
35#include <platform/iomap.h>
36#include <dev_tree.h>
37
38/* Funtion to add the ram partition entries into device tree.
39 * The function assumes that all the entire fixed memory regions should
40 * be listed in the first bank of the passed in ddr regions.
41 */
42uint32_t target_dev_tree_mem(void *fdt, uint32_t memory_node_offset)
43{
44 struct smem_ram_ptable ram_ptable;
45 uint32_t i;
46 int ret = 0;
47
48 /* Make sure RAM partition table is initialized */
49 ASSERT(smem_ram_ptable_init(&ram_ptable));
50
51 /* Calculating the size of the mem_info_ptr */
52 for (i = 0 ; i < ram_ptable.len; i++)
53 {
54 if((ram_ptable.parts[i].category == SDRAM) &&
55 (ram_ptable.parts[i].type == SYS_MEMORY))
56 {
57
58 /* Pass along all other usable memory regions to Linux */
59 ret = dev_tree_add_mem_info(fdt,
60 memory_node_offset,
61 ram_ptable.parts[i].start,
62 ram_ptable.parts[i].size);
63
64 if (ret)
65 {
66 dprintf(CRITICAL, "Failed to add secondary banks memory addresses\n");
67 goto target_dev_tree_mem_err;
68 }
69
70 }
71 }
72
73target_dev_tree_mem_err:
74
75 return ret;
76}
77
78void *target_get_scratch_address(void)
79{
80 return ((void *)SCRATCH_ADDR);
81}
82
83unsigned target_get_max_flash_size(void)
84{
Deepa Dinamani1ba5ffb2013-04-05 16:20:50 -070085 return (288 * 1024 * 1024);
Deepa Dinamani7dc3d4b2013-02-08 16:40:38 -080086}