target/platfrom: mdmfermium: map scratch region based on ddr size
Scratch region, size will be different for 128 and 256MB DDR varaints
of fermium targets. Added support to map these areas dynamically by
detecting the DDR size on the go.
Change-Id: I329e129ac8d476cdbc6dd38eb7277a31c660a323
diff --git a/target/mdmfermium/meminfo.c b/target/mdmfermium/meminfo.c
index acaaa14..31eea83 100644
--- a/target/mdmfermium/meminfo.c
+++ b/target/mdmfermium/meminfo.c
@@ -85,10 +85,23 @@
void *target_get_scratch_address(void)
{
- return ((void *)SCRATCH_ADDR);
+ 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)
{
- return (SCRATCH_REGION1_SIZE + SCRATCH_REGION2_SIZE);
+ 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);
}