[U-Boot] [PATCH v2] malloc_simple: Add support for switching to DRAM heap

Tom Rini trini at konsulko.com
Tue Sep 15 17:04:24 CEST 2015


On Mon, Sep 14, 2015 at 04:29:21PM +0200, Hans de Goede wrote:

> malloc_simple uses a part of the stack as heap, initially it uses
> SYS_MALLOC_F_LEN bytes which typically is quite small as the initial
> stacks sits in SRAM and we do not have that much SRAM to work with.
> 
> When DRAM becomes available we may switch the stack from SRAM to DRAM
> to give use more room. This commit adds support for also switching to
> a new bigger malloc_simple heap located in the new stack.
> 
> Note that this requires spl_init to be called before spl_relocate_stack_gd
> which in practice means that spl_init must be called from board_init_f.
> 
> Signed-off-by: Hans de Goede <hdegoede at redhat.com>

Reviewed-by: Tom Rini <trini at konsulko.com>

-- 
Tom
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