blob: 31eea83b384ed8755b1083f04fdf5aa87d1038d4 [file] [log] [blame]
/* Copyright (c) 2015, The Linux Foundation. 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.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* 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 <reg.h>
#include <debug.h>
#include <malloc.h>
#include <smem.h>
#include <stdint.h>
#include <libfdt.h>
#include <platform/iomap.h>
#include <dev_tree.h>
#define SIZE_1M (1024 * 1024)
static struct smem_ram_ptable ram_ptable;
struct smem_ram_ptable* target_smem_ram_ptable_init()
{
/* Make sure RAM partition table is initialized */
ASSERT(smem_ram_ptable_init(&ram_ptable));
return &ram_ptable;
}
uint32_t target_dev_tree_mem(void *fdt, uint32_t memory_node_offset)
{
ram_partition ptn_entry;
unsigned int index;
int ret = 0;
uint32_t len = 0;
/* Make sure RAM partition table is initialized */
ASSERT(smem_ram_ptable_init_v1());
len = smem_get_ram_ptable_len();
/* Calculating the size of the mem_info_ptr */
for (index = 0 ; index < len; index++)
{
smem_get_ram_ptable_entry(&ptn_entry, index);
if((ptn_entry.category == SDRAM) &&
(ptn_entry.type == SYS_MEMORY))
{
/* Pass along all other usable memory regions to Linux */
ret = dev_tree_add_mem_info(fdt,
memory_node_offset,
ptn_entry.start,
ptn_entry.size);
if (ret)
{
dprintf(CRITICAL, "Failed to add secondary banks memory addresses\n");
goto target_dev_tree_mem_err;
}
}
}
target_dev_tree_mem_err:
return ret;
}
void *target_get_scratch_address(void)
{
uint64_t ddr_size = smem_get_ddr_size();
if (ddr_size == 0x8000000)
/*128MB DDR scratch address*/
return ((void *)VA((addr_t)SCRATCH_ADDR_128));
else
/*256MB DDR scratch address*/
return ((void *)VA((addr_t)SCRATCH_ADDR_256));
}
/*this function is to know max flashable size through fastboot*/
unsigned target_get_max_flash_size(void)
{
uint64_t ddr_size = smem_get_ddr_size();
if (ddr_size == 0x8000000)
/*128MB DDR scratch size*/
return (SCRATCH_REGION1_SIZE_128 + SCRATCH_REGION2_SIZE_128);
else
/*256MB DDR scratch size*/
return (SCRATCH_REGION_SIZE_256);
}