blob: 3c1fc981f5ea65d4455c70d3c1ad108e32edb98b [file] [log] [blame]
Channagoud Kadabi196b27c2015-01-19 13:53:38 -05001/* Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
Channagoud Kadabi92db1122014-06-25 16:00:13 -04002 *
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#if DEVICE_TREE /* If using device tree */
30
31#include <reg.h>
32#include <debug.h>
33#include <malloc.h>
34#include <smem.h>
35#include <stdint.h>
36#include <libfdt.h>
37#include <platform/iomap.h>
38#include <dev_tree.h>
39
40/* Funtion to add the ram partition entries into device tree.
41 * The function assumes that all the entire fixed memory regions should
42 * be listed in the first bank of the passed in ddr regions.
43 */
44uint32_t target_dev_tree_mem(void *fdt, uint32_t memory_node_offset)
45{
46 ram_partition ptn_entry;
47 unsigned int index;
48 int ret = 0;
49 uint32_t len = 0;
50
51 /* Make sure RAM partition table is initialized */
52 ASSERT(smem_ram_ptable_init_v1());
53
54 len = smem_get_ram_ptable_len();
55
56 /* Calculating the size of the mem_info_ptr */
57 for (index = 0 ; index < len; index++)
58 {
59 smem_get_ram_ptable_entry(&ptn_entry, index);
60
61 if((ptn_entry.category == SDRAM) &&
62 (ptn_entry.type == SYS_MEMORY))
63 {
64
65 /* Pass along all other usable memory regions to Linux */
66 ret = dev_tree_add_mem_info(fdt,
67 memory_node_offset,
68 ptn_entry.start,
69 ptn_entry.size);
70
71 if (ret)
72 {
73 dprintf(CRITICAL,
74 "Failed to add secondary banks memory addresses\n");
75 goto target_dev_tree_mem_err;
76 }
77
78 }
79 }
80
81target_dev_tree_mem_err:
82
83 return ret;
84}
85
86void *target_get_scratch_address(void)
87{
88 return ((void *)SCRATCH_ADDR);
89}
90
91unsigned target_get_max_flash_size(void)
92{
Channagoud Kadabi9a368572015-03-04 12:18:32 -050093 return (222 * 1024 * 1024);
Channagoud Kadabi92db1122014-06-25 16:00:13 -040094}
95#endif /* DEVICE_TREE */