ppcDWstore/ppcDWload are hardly used by any board, but since they're implemented in start.S, they're always present in every U-Boot image, even if they're not needed.
Re-implement these fuctions in C with inline assembly, so that the compiler can decide when to actually include them.
Signed-off-by: Mario Six mario.six@gdsys.cc
---
v2 -> v3: No changes
v1 -> v2: New in v2
--- arch/powerpc/cpu/mpc83xx/cpu.c | 18 ++++++++++++++++++ arch/powerpc/cpu/mpc83xx/start.S | 12 ------------ 2 files changed, 18 insertions(+), 12 deletions(-)
diff --git a/arch/powerpc/cpu/mpc83xx/cpu.c b/arch/powerpc/cpu/mpc83xx/cpu.c index 4ea4249aff0..9c67099a17a 100644 --- a/arch/powerpc/cpu/mpc83xx/cpu.c +++ b/arch/powerpc/cpu/mpc83xx/cpu.c @@ -229,3 +229,21 @@ int cpu_mmc_init(bd_t *bis) return 0; #endif } + +void ppcDWstore(unsigned int *addr, unsigned int *value) +{ + asm("lfd 1, 0(%1)\n\t" + "stfd 1, 0(%0)" + : + : "r" (addr), "r" (value) + : "memory"); +} + +void ppcDWload(unsigned int *addr, unsigned int *ret) +{ + asm("lfd 1, 0(%0)\n\t" + "stfd 1, 0(%1)" + : + : "r" (addr), "r" (ret) + : "memory"); +} diff --git a/arch/powerpc/cpu/mpc83xx/start.S b/arch/powerpc/cpu/mpc83xx/start.S index 4df22f64fec..ee8c2e68dda 100644 --- a/arch/powerpc/cpu/mpc83xx/start.S +++ b/arch/powerpc/cpu/mpc83xx/start.S @@ -119,18 +119,6 @@ disable_addr_trans: mtspr SRR1, r3 rfi
- .globl ppcDWstore -ppcDWstore: - lfd 1, 0(r4) - stfd 1, 0(r3) - blr - - .globl ppcDWload -ppcDWload: - lfd 1, 0(r3) - stfd 1, 0(r4) - blr - #ifndef CONFIG_DEFAULT_IMMR #error CONFIG_DEFAULT_IMMR must be defined #endif /* CONFIG_DEFAULT_IMMR */