[U-Boot] [PATCH v2 11/14] powerpc, 8xx: move cache helper into C
Christophe Leroy
christophe.leroy at c-s.fr
Thu Jul 13 13:10:04 UTC 2017
Avoid unnecessary assembly functions when they can easily be written
in C.
Signed-off-by: Christophe Leroy <christophe.leroy at c-s.fr>
---
arch/powerpc/cpu/mpc8xx/start.S | 32 --------------------------------
arch/powerpc/include/asm/cache.h | 32 ++++++++++++++++++++++++++++++++
arch/powerpc/include/asm/ppc.h | 6 ------
3 files changed, 32 insertions(+), 38 deletions(-)
diff --git a/arch/powerpc/cpu/mpc8xx/start.S b/arch/powerpc/cpu/mpc8xx/start.S
index fbdc82a079..4c25d3765b 100644
--- a/arch/powerpc/cpu/mpc8xx/start.S
+++ b/arch/powerpc/cpu/mpc8xx/start.S
@@ -310,38 +310,6 @@ get_pvr:
mfspr r3, PVR
blr
-
- .globl wr_ic_cst
-wr_ic_cst:
- mtspr IC_CST, r3
- blr
-
- .globl rd_ic_cst
-rd_ic_cst:
- mfspr r3, IC_CST
- blr
-
- .globl wr_ic_adr
-wr_ic_adr:
- mtspr IC_ADR, r3
- blr
-
-
- .globl wr_dc_cst
-wr_dc_cst:
- mtspr DC_CST, r3
- blr
-
- .globl rd_dc_cst
-rd_dc_cst:
- mfspr r3, DC_CST
- blr
-
- .globl wr_dc_adr
-wr_dc_adr:
- mtspr DC_ADR, r3
- blr
-
/*------------------------------------------------------------------------------*/
/*
diff --git a/arch/powerpc/include/asm/cache.h b/arch/powerpc/include/asm/cache.h
index d3a83910b6..0801d2c367 100644
--- a/arch/powerpc/include/asm/cache.h
+++ b/arch/powerpc/include/asm/cache.h
@@ -107,6 +107,38 @@ void disable_cpc_sram(void);
#define DC_DFWT 0x40000000 /* Data cache is forced write through */
#define DC_LES 0x20000000 /* Caches are little endian mode */
+
+#if !defined(__ASSEMBLY__)
+static inline uint rd_ic_cst(void)
+{
+ return mfspr(IC_CST);
+}
+
+static inline void wr_ic_cst(uint val)
+{
+ mtspr(IC_CST, val);
+}
+
+static inline void wr_ic_adr(uint val)
+{
+ mtspr(IC_ADR, val);
+}
+
+static inline uint rd_dc_cst(void)
+{
+ return mfspr(DC_CST);
+}
+
+static inline void wr_dc_cst(uint val)
+{
+ mtspr(DC_CST, val);
+}
+
+static inline void wr_dc_adr(uint val)
+{
+ mtspr(DC_ADR, val);
+}
+#endif
#endif /* CONFIG_8xx */
#endif
diff --git a/arch/powerpc/include/asm/ppc.h b/arch/powerpc/include/asm/ppc.h
index e11f39801e..61838cb2d9 100644
--- a/arch/powerpc/include/asm/ppc.h
+++ b/arch/powerpc/include/asm/ppc.h
@@ -50,12 +50,6 @@ static inline uint get_immr(uint mask)
#endif
uint get_pvr(void);
uint get_svr(void);
-uint rd_ic_cst(void);
-void wr_ic_cst(uint);
-void wr_ic_adr(uint);
-uint rd_dc_cst(void);
-void wr_dc_cst(uint);
-void wr_dc_adr(uint);
#if defined(CONFIG_MPC85xx) || \
defined(CONFIG_MPC86xx) || \
--
2.12.0
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