Add arch_lmb_reserve() implemented using arch_lmb_reserve_generic(). This architecture also needs to cover U-Boot with LMB before booting Linux.
Signed-off-by: Marek Vasut marek.vasut+renesas@gmail.com Cc: Simon Goldschmidt simon.k.r.goldschmidt@gmail.com Cc: Tom Rini trini@konsulko.com --- arch/sh/lib/bootm.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)
diff --git a/arch/sh/lib/bootm.c b/arch/sh/lib/bootm.c index dc94f83785..9b71424dfe 100644 --- a/arch/sh/lib/bootm.c +++ b/arch/sh/lib/bootm.c @@ -12,8 +12,11 @@ #include <env.h> #include <image.h> #include <asm/byteorder.h> +#include <asm/global_data.h> #include <asm/zimage.h>
+DECLARE_GLOBAL_DATA_PTR; + #ifdef CONFIG_SYS_DEBUG static void hexdump(unsigned char *buf, int len) { @@ -111,3 +114,16 @@ int do_bootm_linux(int flag, int argc, char *const argv[], /* does not return */ return 1; } + +static ulong get_sp(void) +{ + ulong ret; + + asm("mov r15, %0" : "=r"(ret) : ); + return ret; +} + +void arch_lmb_reserve(struct lmb *lmb) +{ + arch_lmb_reserve_generic(lmb, get_sp(), gd->ram_top, 4096); +}