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....@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 */
--
2.20.1
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