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sunxi: Reserve ATF memory space on A64

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On the A64 we usually boot with ATF running in EL3. ATF as it is available
today resides in the first 16MB of RAM. So we should make sure we reserve
that space in our memory maps.

Signed-off-by: Alexander Graf <agraf@suse.de>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Alexander Graf 2016-03-30 17:53:56 +02:00 • committed by Hans de Goede
parent 7adbd1165c
commit 3ffe39ed2b
1 changed files with 9 additions and 0 deletions
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9
board/sunxi/board.c
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@ -133,6 +133,15 @@ int dram_init(void)
return 0;
}
#ifdef CONFIG_MACH_SUN50I
void dram_init_banksize(void)
{
/* We need to reserve the first 16MB of RAM for ATF */
gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE + (16 * 1024 * 1024);
gd->bd->bi_dram[0].size = get_effective_memsize() - (16 * 1024 * 1024);
}
#endif
#if defined(CONFIG_NAND_SUNXI) && defined(CONFIG_SPL_BUILD)
static void nand_pinmux_setup(void)
{