- Allow request region alloc within the first invisiable region reserved by
bidram when request region has flags M_ATTR_IGNORE_INVISIBLE. This is a
workaround for some firmware memory layout, eg: on RK3308-AArch32, the ATF
region is 0~1M(same as RK3308-AArch64), but the kernel would like to alloc
at 0x00058000.
- Always make kernel reserved-memory alloc successfully and check overlap
with invisible and sysmem allocated regions in sysmem_overflow_check()
before bootm. This makes alloc policy more easier.
Change-Id: I533c710a6e69bd930befda441b9ec64415e3f408
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
- import memblk id to manage memory blocks;
- change "sysmem_property" to generic "memblock";
- use alloc instead of reserve for all memory blocks;
- clean up and fix some logic;
- add U-Boot cmd for sysmem;
Change-Id: I614223ce3bf97a7b3566412a9d1864fb30b68fd8
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Sometimes, framework or user would call fdt_increase_size() to update
fdt size, it's better reserve more space to avoid sysmem gives the fdt
region overflow report.
The CONFIG_SYS_FDT_PAD default value is sync with bootm framework
in: common/image-fdt.c
Change-Id: I363e9a4182e13b1628a76666acd8272d25db659d
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Joseph Chen