/* * 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 #include #include #include #include #include #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(INFO, "smem ram ptable found: ver: %d len: %d\n", smem_ram_ptable->version, smem_ram_ptable->len); return 1; }