blob: 149f06bba4b8e7dabc23a5f20a22d09a9e5ce5b1 [file] [log] [blame]
/*
* Copyright (c) 2009, Google Inc.
* All rights reserved.
*
* Copyright (c) 2009-2010, Code Aurora Forum. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <debug.h>
#include <reg.h>
#include <string.h>
#include <sys/types.h>
#include <platform/iomap.h>
#include <lib/ptable.h>
#include "smem.h"
struct smem_ptn {
char name[16];
unsigned start;
unsigned size;
unsigned attr;
} __attribute__ ((__packed__));
struct smem_ptable {
#define _SMEM_PTABLE_MAGIC_1 0x55ee73aa
#define _SMEM_PTABLE_MAGIC_2 0xe35ebddb
unsigned magic[2];
unsigned version;
unsigned len;
struct smem_ptn parts[16];
} __attribute__ ((__packed__));
/* partition table from SMEM */
static struct smem_ptable smem_ptable;
static unsigned smem_apps_flash_start;
static void dump_smem_ptable(void)
{
int i;
for (i = 0; i < 16; i++) {
struct smem_ptn *p = &smem_ptable.parts[i];
if (p->name[0] == '\0')
continue;
dprintf(SPEW, "%d: %s offs=0x%08x size=0x%08x attr: 0x%08x\n",
i, p->name, p->start, p->size, p->attr);
}
}
void smem_ptable_init(void)
{
unsigned i;
smem_apps_flash_start = 0xffffffff;
i = smem_read_alloc_entry(SMEM_AARM_PARTITION_TABLE,
&smem_ptable, sizeof(smem_ptable));
if (i != 0)
return;
if (smem_ptable.magic[0] != _SMEM_PTABLE_MAGIC_1 ||
smem_ptable.magic[1] != _SMEM_PTABLE_MAGIC_2)
return;
dump_smem_ptable();
dprintf(INFO, "smem ptable found: ver: %d len: %d\n",
smem_ptable.version, smem_ptable.len);
for (i = 0; i < smem_ptable.len; i++) {
if (!strcmp(smem_ptable.parts[i].name, "0:APPS"))
break;
}
if (i == smem_ptable.len)
return;
smem_apps_flash_start = smem_ptable.parts[i].start;
}
unsigned smem_get_apps_flash_start(void)
{
return smem_apps_flash_start;
}
void smem_add_modem_partitions(struct ptable *flash_ptable)
{
int i;
if (smem_ptable.magic[0] != _SMEM_PTABLE_MAGIC_1 ||
smem_ptable.magic[1] != _SMEM_PTABLE_MAGIC_2)
return;
for (i = 0; i < 16; i++) {
char *token;
char *pname = NULL;
struct smem_ptn *p = &smem_ptable.parts[i];
if (p->name[0] == '\0')
continue;
token = strtok(p->name, ":");
while (token) {
pname = token;
token = strtok(NULL, ":");
}
if (pname) {
ptable_add(flash_ptable, pname, p->start,
p->size, 0, TYPE_MODEM_PARTITION,
PERM_WRITEABLE);
}
}
}
/* RAM Partition table from SMEM */
int smem_ram_ptable_init(struct smem_ram_ptable *smem_ram_ptable)
{
unsigned i;
i = smem_read_alloc_entry(SMEM_USABLE_RAM_PARTITION_TABLE,
smem_ram_ptable,
sizeof(struct smem_ram_ptable));
if (i != 0)
return 0;
if (smem_ram_ptable->magic[0] != _SMEM_RAM_PTABLE_MAGIC_1 ||
smem_ram_ptable->magic[1] != _SMEM_RAM_PTABLE_MAGIC_2)
return 0;
dprintf(SPEW, "smem ram ptable found: ver: %d len: %d\n",
smem_ram_ptable->version, smem_ram_ptable->len);
return 1;
}