diff options
| author | Marek Vasut | 2021-09-10 22:47:16 +0200 |
|---|---|---|
| committer | Tom Rini | 2021-09-23 14:15:32 -0400 |
| commit | 1e0e5577742baece8cc3aac3cf3da61a6b3276b0 (patch) | |
| tree | 1ad5cc3fe06506b563dfd8374d32ab1eb62837c3 /arch | |
| parent | eeaa3fe65270758ab0bdb1515e14f9bf936d3a25 (diff) | |
lmb: sh: Add arch_lmb_reserve()
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sh/lib/bootm.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/sh/lib/bootm.c b/arch/sh/lib/bootm.c index dc94f837856..9b71424dfe6 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); +} |