Add arch_lmb_reserve() implemented using arch_lmb_reserve_generic(). It is rather likely this architecture also needs to cover U-Boot with LMB before booting Linux.
Signed-off-by: Marek Vasut marek.vasut+renesas@gmail.com Cc: Rick Chen rick@andestech.com Cc: Simon Goldschmidt simon.k.r.goldschmidt@gmail.com Cc: Tom Rini trini@konsulko.com --- arch/nds32/lib/bootm.c | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/arch/nds32/lib/bootm.c b/arch/nds32/lib/bootm.c index 4cb0f530ae..a7c8978f23 100644 --- a/arch/nds32/lib/bootm.c +++ b/arch/nds32/lib/bootm.c @@ -245,3 +245,16 @@ static void setup_end_tag(struct bd_info *bd) }
#endif /* CONFIG_SETUP_MEMORY_TAGS || CONFIG_CMDLINE_TAG || CONFIG_INITRD_TAG */ + +static ulong get_sp(void) +{ + ulong ret; + + asm("move %0, $sp" : "=r"(ret) : ); + return ret; +} + +void arch_lmb_reserve(struct lmb *lmb) +{ + arch_lmb_reserve_generic(lmb, get_sp(), gd->ram_top, 4096); +}