int init_pmt(void)
{
int ret = 0;
int i = 0;
printk("[%s]start\n", __func__);
ret = init_region_info();
if (pmt_done) {
printk("pmt has been initialised, so skip\n");
return 0;
}
//init region info to get user region size.
lastest_part = kmalloc(PART_MAX_COUNT * sizeof(pt_resident), GFP_KERNEL);
if (!lastest_part) {
ret = -ENOMEM;
printk("init_pmt: malloc lastest_part fail\n");
goto fail_malloc;
}
memset(lastest_part,0, PART_MAX_COUNT * sizeof(pt_resident));
memset(&pi,0,sizeof(pt_info));
ret = load_pt_from_fixed_addr((u8 *)lastest_part);
if (ret != DM_ERR_OK) {
//and valid mirror last download or first download
printk("can not find pmt,use default part info\n");
} else {
printk("find pt\n");
for (i = 0; i < PART_MAX_COUNT; i++) {
if ((lastest_part[i].name[0] == 0x00) || (lastest_part[i].name[0] == 0xff))
break;
printk("part %s size %llx %llx\n", lastest_part[i].name,
lastest_part[i].offset, lastest_part[i].size);
PartInfo[i].start_address = lastest_part[i].offset;
PartInfo[i].size= lastest_part[i].size;
/* if(lastest_part[i].size == 0)
break;*/
}
printk("find pt %d\n",i);
}
printk("[%s]done\n", __func__);
pmt_done = 1;
ret = 0;
fail_malloc:
return ret;
}
void pmt_init(void)
{
#ifdef MTK_EMMC_SUPPORT
int ret = 0;
int i = 0;
memset(&new_part, 0, PART_MAX_COUNT * sizeof (pt_resident));
memset(&lastest_part, 0, PART_MAX_COUNT * sizeof (pt_resident));
ret = load_pt_from_fixed_addr((u8 *)&lastest_part);
if (ret == ERR_NO_EXIST) {
//first run preloader before dowload
//and valid mirror last download or first download
get_part_tab_from_complier(); //get from complier
} else {
print("find pt\n");
for (i = 0; i < PART_MAX_COUNT; i++) {
if (lastest_part[i].size == 0)
break;
print("part %s size %llx %llx\n", lastest_part[i].name,
lastest_part[i].offset, lastest_part[i].size);
}
}
#else
int ret = 0;
int i = 0;
memset(&new_part,0, PART_MAX_COUNT * sizeof(pt_resident));
memset(&lastest_part,0, PART_MAX_COUNT * sizeof(pt_resident));
ret = load_exist_part_tab((u8 *)&lastest_part);
if (ret == ERR_NO_EXIST) { //first run preloader before dowload
//and valid mirror last download or first download
get_part_tab_from_complier(); //get from complier
} else {
print("find pt\n");
for (i = 0; i < PART_MAX_COUNT; i++) {
if(lastest_part[i].size == 0)
break;
print("part %s size %x %x\n", lastest_part[i].name,
lastest_part[i].offset, lastest_part[i].size);
}
}
init_pmt_done = TRUE;
#endif
}
void part_init_pmt(unsigned long totalblks,part_dev_t *dev)
{
#ifdef MTK_EMMC_SUPPORT
part_t *part = &partition_layout[0];
unsigned long lastblk;
int retval=0;
int i=0;
printf ("mt6577_part_init_pmt \n");
if (!totalblks) return;
/* updater the number of blks of first part. */
if (totalblks <= part->blknum)
part->blknum = totalblks;
totalblks -= part->blknum;
lastblk = part->startblk + part->blknum;
while (totalblks) {
part++;
if (!part->name)
break;
if (part->flags & PART_FLAG_LEFT || totalblks <= part->blknum)
part->blknum = totalblks;
part->startblk = lastblk;
totalblks -= part->blknum;
lastblk = part->startblk + part->blknum;
}
memset(&pi,0xFF,sizeof(pi));
memset(&lastest_part, 0, PART_MAX_COUNT * sizeof(pt_resident));
retval = load_pt_from_fixed_addr((u8 *)&lastest_part, dev);
if (retval == ERR_NO_EXIST) {
//first run preloader before dowload
//and valid mirror last download or first download
printf("no pt \n");
get_part_tab_from_complier(); //get from complier
} else {
printf("Find pt \n");
for (i = 0; i < PART_MAX_COUNT; i++) {
if (lastest_part[i].size == 0) {
lastest_part[i].size = target_get_max_flash_size() - lastest_part[i].offset - partition_reserve_size();
printf("partition %s size %016llx %016llx \n",lastest_part[i].name,lastest_part[i].offset,lastest_part[i].size);
break;
}
if (!strcmp((char *)lastest_part[i].name, PMT_END_NAME)) {
lastest_part[i].size = target_get_max_flash_size() - lastest_part[i].offset - partition_reserve_size();
printf("partition %s size %016llx %016llx \n",lastest_part[i].name,lastest_part[i].offset,lastest_part[i].size);
break;
}
printf ("partition %s size %016llx %016llx \n",lastest_part[i].name,lastest_part[i].offset,lastest_part[i].size);
}
}
#else
part_t *part = &partition_layout[0];
unsigned long lastblk;
int retval=0;
int i=0;
printf ("mt6577_part_init_pmt \n");
if (!totalblks) return;
/* updater the number of blks of first part. */
if (totalblks <= part->blknum)
part->blknum = totalblks;
totalblks -= part->blknum;
if(part->type == TYPE_LOW)
lastblk = part->startblk + part->blknum*2;
else
lastblk = part->startblk + part->blknum;
while(totalblks)
{
part++;
if (!part->name)
break;
if (part->flags & PART_FLAG_LEFT || totalblks <= part->blknum)
part->blknum = totalblks;
part->startblk = lastblk;
totalblks -= part->blknum;
if(part->type == TYPE_LOW)
lastblk = part->startblk + part->blknum*2;
else
lastblk = part->startblk + part->blknum;
}
memset(&pi,0xFF,sizeof(pi));
memset(&lastest_part,0,PART_MAX_COUNT*sizeof(pt_resident));
retval=load_exist_part_tab((u8 *)&lastest_part,dev);
if (retval==ERR_NO_EXIST) //first run preloader before dowload
{
//and valid mirror last download or first download
printf ("no pt \n");
get_part_tab_from_complier(); //get from complier
}
else
{
printf ("Find pt \n");
for(i=0;i<PART_MAX_COUNT;i++)
{
//printf("%s, %x\n",lastest_part[i].name,lastest_part[i].size);
if(lastest_part[i].size == 0){
lastest_part[i].size = total_size - lastest_part[i].offset;
printf ("partition %s size %lx %lx \n",lastest_part[i].name,lastest_part[i].offset,lastest_part[i].size);
break;
}
printf ("partition @ %x %s size %lx %lx \n",&lastest_part[i],lastest_part[i].name,lastest_part[i].offset,lastest_part[i].size);
}
}
init_pmt_done = TRUE;
#endif
}
