8 files changed, 29 insertions, 180 deletions

diff --git a/arch/sh/cpu/sh2/Makefile b/arch/sh/cpu/sh2/Makefile
index 1cc00313e9..a19ed5ecf5 100644
--- a/arch/sh/cpu/sh2/Makefile
+++ b/arch/sh/cpu/sh2/Makefile
@@ -8,25 +8,5 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-include $(TOPDIR)/config.mk
-
-LIB	= $(obj)lib$(CPU).o
-
-SOBJS	= start.o
-COBJS	= cpu.o interrupts.o watchdog.o
-
-SRCS    := $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS    := $(addprefix $(obj),$(COBJS))
-SOBJS   := $(addprefix $(obj),$(SOBJS))
-
-$(LIB):	$(OBJS) $(SOBJS)
-	$(call cmd_link_o_target, $(OBJS) $(SOBJS))
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+extra-y	= start.o
+obj-y	= cpu.o interrupts.o watchdog.o
diff --git a/arch/sh/cpu/sh3/Makefile b/arch/sh/cpu/sh3/Makefile
index e707de3f89..1dccaf9520 100644
--- a/arch/sh/cpu/sh3/Makefile
+++ b/arch/sh/cpu/sh3/Makefile
@@ -11,25 +11,5 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-include $(TOPDIR)/config.mk
-
-LIB	= $(obj)lib$(CPU).o
-
-SOBJS	= start.o
-COBJS	= cpu.o interrupts.o watchdog.o cache.o
-
-SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS	:= $(addprefix $(obj),$(COBJS))
-SOBJS	:= $(addprefix $(obj),$(SOBJS))
-
-$(LIB):	$(OBJS) $(SOBJS)
-	$(call cmd_link_o_target, $(OBJS) $(SOBJS))
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+extra-y	= start.o
+obj-y	= cpu.o interrupts.o watchdog.o cache.o
diff --git a/arch/sh/cpu/sh4/Makefile b/arch/sh/cpu/sh4/Makefile
index e7d8903814..38c6188c38 100644
--- a/arch/sh/cpu/sh4/Makefile
+++ b/arch/sh/cpu/sh4/Makefile
@@ -8,25 +8,5 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-include $(TOPDIR)/config.mk
-
-LIB	= $(obj)lib$(CPU).o
-
-SOBJS	= start.o
-COBJS	= cpu.o interrupts.o watchdog.o cache.o
-
-SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS	:= $(addprefix $(obj),$(COBJS))
-SOBJS	:= $(addprefix $(obj),$(SOBJS))
-
-$(LIB):	$(OBJS) $(SOBJS)
-	$(call cmd_link_o_target, $(OBJS) $(SOBJS))
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+extra-y	= start.o
+obj-y	= cpu.o interrupts.o watchdog.o cache.o
diff --git a/arch/sh/cpu/sh4/cache.c b/arch/sh/cpu/sh4/cache.c
index 1947ec8e95..e1ee970a91 100644
--- a/arch/sh/cpu/sh4/cache.c
+++ b/arch/sh/cpu/sh4/cache.c
@@ -91,7 +91,7 @@ int cache_control(unsigned int cmd)
 	return 0;
 }
 
-void dcache_wback_range(u32 start, u32 end)
+void flush_dcache_range(unsigned long start, unsigned long end)
 {
 	u32 v;
 
@@ -102,7 +102,7 @@ void dcache_wback_range(u32 start, u32 end)
 	}
 }
 
-void dcache_invalid_range(u32 start, u32 end)
+void invalidate_dcache_range(unsigned long start, unsigned long end)
 {
 	u32 v;
 
diff --git a/arch/sh/cpu/sh4/cpu.c b/arch/sh/cpu/sh4/cpu.c
index 9fae61473b..91133a38ae 100644
--- a/arch/sh/cpu/sh4/cpu.c
+++ b/arch/sh/cpu/sh4/cpu.c
@@ -41,7 +41,7 @@ int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 
 void flush_cache (unsigned long addr, unsigned long size)
 {
-	dcache_invalid_range( addr , addr + size );
+	invalidate_dcache_range(addr , addr + size);
 }
 
 void icache_enable (void)
diff --git a/arch/sh/include/asm/cache.h b/arch/sh/include/asm/cache.h
index 24941b3019..b21dc4422e 100644
--- a/arch/sh/include/asm/cache.h
+++ b/arch/sh/include/asm/cache.h
@@ -10,9 +10,6 @@ int cache_control(unsigned int cmd);
 struct __large_struct { unsigned long buf[100]; };
 #define __m(x) (*(struct __large_struct *)(x))
 
-void dcache_wback_range(u32 start, u32 end);
-void dcache_invalid_range(u32 start, u32 end);
-
 #else
 
 /*
diff --git a/arch/sh/lib/Makefile b/arch/sh/lib/Makefile
index 8165963ee8..5fc9d9d66d 100644
--- a/arch/sh/lib/Makefile
+++ b/arch/sh/lib/Makefile
@@ -5,57 +5,25 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-include $(TOPDIR)/config.mk
 
-LIB	= $(obj)lib$(ARCH).o
-LIBGCC	= $(obj)libgcc.o
-
-SOBJS-y	+=
-GLSOBJS	+= ashiftrt.o
-GLSOBJS	+= ashiftlt.o
-GLSOBJS	+= lshiftrt.o
-GLSOBJS	+= ashldi3.o
-GLSOBJS	+= ashrsi3.o
-GLSOBJS	+= lshrdi3.o
-GLSOBJS	+= movmem.o
-
-COBJS-y	+= board.o
-COBJS-$(CONFIG_CMD_BOOTM) += bootm.o
+obj-y	+= board.o
+obj-$(CONFIG_CMD_BOOTM) += bootm.o
 ifeq ($(CONFIG_SH2),y)
-COBJS-y	+= time_sh2.o
+obj-y	+= time_sh2.o
 else
-COBJS-y	+= time.o
-endif
-ifeq ($(CONFIG_CMD_SH_ZIMAGEBOOT),y)
-COBJS-y += zimageboot.o
+obj-y	+= time.o
 endif
+obj-$(CONFIG_CMD_SH_ZIMAGEBOOT) += zimageboot.o
 
-SRCS	:= $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
-OBJS	:= $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
-LGOBJS	:= $(addprefix $(obj),$(GLSOBJS)) \
-	   $(addprefix $(obj),$(GLCOBJS))
 
-# Always build libsh.o
-TARGETS	:= $(LIB)
 
 # Build private libgcc only when asked for
 ifdef USE_PRIVATE_LIBGCC
-TARGETS	+= $(LIBGCC)
+lib-y	+= ashiftrt.o
+lib-y	+= ashiftlt.o
+lib-y	+= lshiftrt.o
+lib-y	+= ashldi3.o
+lib-y	+= ashrsi3.o
+lib-y	+= lshrdi3.o
+lib-y	+= movmem.o
 endif
-
-all:	$(TARGETS)
-
-$(LIB):	$(obj).depend $(OBJS)
-	$(call cmd_link_o_target, $(OBJS))
-
-$(LIBGCC): $(obj).depend $(LGOBJS)
-	$(call cmd_link_o_target, $(LGOBJS))
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
diff --git a/arch/sh/lib/time.c b/arch/sh/lib/time.c
index 1fe537e83b..d970a1e4f0 100644
--- a/arch/sh/lib/time.c
+++ b/arch/sh/lib/time.c
@@ -12,36 +12,23 @@
  */
 
 #include <common.h>
-#include <div64.h>
 #include <asm/processor.h>
 #include <asm/io.h>
 #include <sh_tmu.h>
 
-static struct tmu_regs *tmu = (struct tmu_regs *)TMU_BASE;
+#define TCR_TPSC 0x07
 
-static u16 bit;
-static unsigned long last_tcnt;
-static unsigned long long overflow_ticks;
+static struct tmu_regs *tmu = (struct tmu_regs *)TMU_BASE;
 
 unsigned long get_tbclk(void)
 {
-	return get_tmu0_clk_rate() >> ((bit + 1) * 2);
+	u16 tmu_bit = (ffs(CONFIG_SYS_TMU_CLK_DIV) >> 1) - 1;
+	return get_tmu0_clk_rate() >> ((tmu_bit + 1) * 2);
 }
 
-static inline unsigned long long tick_to_time(unsigned long long tick)
+unsigned long timer_read_counter(void)
 {
-	tick *= CONFIG_SYS_HZ;
-	do_div(tick, get_tbclk());
-
-	return tick;
-}
-
-static inline unsigned long long usec_to_tick(unsigned long long usec)
-{
-	usec *= get_tbclk();
-	do_div(usec, 1000000);
-
-	return usec;
+	return ~readl(&tmu->tcnt0);
 }
 
 static void tmu_timer_start(unsigned int timer)
@@ -60,55 +47,12 @@ static void tmu_timer_stop(unsigned int timer)
 
 int timer_init(void)
 {
-	bit = (ffs(CONFIG_SYS_TMU_CLK_DIV) >> 1) - 1;
-	writew(readw(&tmu->tcr0) | bit, &tmu->tcr0);
+	u16 tmu_bit = (ffs(CONFIG_SYS_TMU_CLK_DIV) >> 1) - 1;
+	writew((readw(&tmu->tcr0) & ~TCR_TPSC) | tmu_bit, &tmu->tcr0);
 
 	tmu_timer_stop(0);
 	tmu_timer_start(0);
 
-	last_tcnt = 0;
-	overflow_ticks = 0;
-
 	return 0;
 }
 
-unsigned long long get_ticks(void)
-{
-	unsigned long tcnt = 0 - readl(&tmu->tcnt0);
-
-	if (last_tcnt > tcnt) /* overflow */
-		overflow_ticks++;
-	last_tcnt = tcnt;
-
-	return (overflow_ticks << 32) | tcnt;
-}
-
-void __udelay(unsigned long usec)
-{
-	unsigned long long tmp;
-	ulong tmo;
-
-	tmo = usec_to_tick(usec);
-	tmp = get_ticks() + tmo;	/* get current timestamp */
-
-	while (get_ticks() < tmp)	/* loop till event */
-		 /*NOP*/;
-}
-
-unsigned long get_timer(unsigned long base)
-{
-	/* return msec */
-	return tick_to_time(get_ticks()) - base;
-}
-
-void set_timer(unsigned long t)
-{
-	writel((0 - t), &tmu->tcnt0);
-}
-
-void reset_timer(void)
-{
-	tmu_timer_stop(0);
-	set_timer(0);
-	tmu_timer_start(0);
-}