unsigned *target_atag_mem(unsigned *ptr)
{
struct smem_ram_ptable ram_ptable;
uint8_t i = 0;
/* Make sure RAM partition table is initialized */
ASSERT(smem_ram_ptable_init(&ram_ptable));
for (i = 0; i < ram_ptable.len; i++)
{
if (ram_ptable.parts[i].category == SDRAM &&
(ram_ptable.parts[i].type == SYS_MEMORY) &&
((ram_ptable.parts[i].start == SDRAM_START_ADDR)||
(ram_ptable.parts[i].start == SDRAM_SEC_BANK_START_ADDR)))
{
ASSERT(ram_ptable.parts[i].size >= SIZE_256M);
if (ram_ptable.parts[i].start == SDRAM_START_ADDR)
ptr = target_create_atag(ptr, copper_default_first_256M);
else
ptr = target_create_atag(ptr, copper_default_second_256M);
if (ram_ptable.parts[i].size > SIZE_256M)
{
ptr = target_mem_atag_create(ptr,
(ram_ptable.parts[i].size - SIZE_256M),
(ram_ptable.parts[i].start + SIZE_256M));
}
}
/* Pass along all other usable memory regions to Linux */
if (ram_ptable.parts[i].category == SDRAM &&
(ram_ptable.parts[i].type == SYS_MEMORY) &&
(ram_ptable.parts[i].start != SDRAM_START_ADDR))
{
ptr = target_mem_atag_create(ptr,
ram_ptable.parts[i].size,
ram_ptable.parts[i].start);
}
}
return ptr;
}
unsigned *target_atag_mem(unsigned *ptr)
{
struct smem_ram_ptable ram_ptable;
uint8_t i = 0;
if (smem_ram_ptable_init(&ram_ptable))
{
for (i = 0; i < ram_ptable.len; i++)
{
if (ram_ptable.parts[i].category == SDRAM &&
(ram_ptable.parts[i].type == SYS_MEMORY) &&
(ram_ptable.parts[i].start == PHYS_MEM_START_ADDR))
{
ASSERT(ram_ptable.parts[i].size >= SIZE_256M);
ptr = target_first_256M_atag(ptr);
if (ram_ptable.parts[i].size > SIZE_256M)
{
ptr = target_mem_atag_create(ptr,
(ram_ptable.parts[i].size - SIZE_256M),
(ram_ptable.parts[i].start + SIZE_256M));
}
}
/* Pass along all other usable memory regions to Linux */
if (ram_ptable.parts[i].category == SDRAM &&
(ram_ptable.parts[i].type == SYS_MEMORY) &&
(ram_ptable.parts[i].start != PHYS_MEM_START_ADDR))
{
ptr = target_mem_atag_create(ptr,
ram_ptable.parts[i].size,
ram_ptable.parts[i].start);
}
}
} else {
dprintf(CRITICAL, "ERROR: Unable to read RAM partition\n");
ASSERT(0);
}
return ptr;
}
unsigned *target_atag(unsigned *ptr, atag_mem_info usable_mem_map[], unsigned num_regions)
{
unsigned i;
dprintf(SPEW, "Number of regions for HLOS in 1st 256MB = %u\n", num_regions);
for (i=0; i < num_regions; i++)
{
ptr = target_mem_atag_create(ptr,
usable_mem_map[i].size,
usable_mem_map[i].start_addr);
}
return ptr;
}
unsigned *target_atag_create(unsigned *ptr,
mem_info usable_mem_map[], unsigned num_regions)
{
unsigned int i;
ASSERT(num_regions);
dprintf(SPEW, "Number of HLOS regions in 1st bank = %u\n", num_regions);
for (i = 0; i < num_regions; i++)
{
ptr = target_mem_atag_create(ptr,
usable_mem_map[i].size,
usable_mem_map[i].start_addr);
}
return ptr;
}
