sh: tmu: Zap get_tbclk and timer_read_counter

Replace those two functions with generic ones by defining the
timer macros in include/config/*.h .

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

arch/sh/include/asm/config.h

@@ -6,4 +6,13 @@
 #ifndef _ASM_CONFIG_H_
 #define _ASM_CONFIG_H_
 
+#if !defined(CONFIG_CPU_SH2)
+#include <asm/processor.h>
+
+/* Timer */
+#define CONFIG_SYS_TIMER_COUNTS_DOWN
+#define CONFIG_SYS_TIMER_COUNTER	(TMU_BASE + 0x8)	/* TCNT0 */
+#define CONFIG_SYS_TIMER_RATE		(CONFIG_SYS_CLK_FREQ / 4)
+#endif
+
 #endif

arch/sh/lib/time.c

@@ -16,33 +16,17 @@
 
 #if defined(CONFIG_CPU_SH3)
 #define TSTR	0x2
-#define TCNT0	0x8
 #define TCR0	0xc
 #endif /* CONFIG_CPU_SH3 */
 
 #if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARCH_RMOBILE)
 #define TSTR	0x4
-#define TCNT0	0xc
 #define TCR0	0x10
 #endif /* CONFIG_CPU_SH4 */
 
 #define TCR_TPSC	0x07
 #define TSTR_STR0	BIT(0)
 
-unsigned long get_tbclk(void)
-{
-#ifdef CONFIG_RCAR_GEN2
-	return CONFIG_SYS_CLK_FREQ / 8;
-#else
-	return CONFIG_SYS_CLK_FREQ / 4;
-#endif
-}
-
-unsigned long timer_read_counter(void)
-{
-	return ~readl(TMU_BASE + TCNT0);
-}
-
 int timer_init(void)
 {
 	writew(readw(TMU_BASE + TCR0) & ~TCR_TPSC, TMU_BASE + TCR0);

include/configs/armadillo-800eva.h

@@ -18,6 +18,9 @@
 
 #define CONFIG_ARCH_CPU_INIT
 #define CONFIG_TMU_TIMER
+#define CONFIG_SYS_TIMER_COUNTS_DOWN
+#define CONFIG_SYS_TIMER_COUNTER	(TMU_BASE + 0xc)	/* TCNT0 */
+#define CONFIG_SYS_TIMER_RATE		(CONFIG_SYS_CLK_FREQ / 4)
 #define CONFIG_SYS_DCACHE_OFF
 
 /* STACK */

include/configs/rcar-gen2-common.h

@@ -22,7 +22,6 @@
 
 #define CONFIG_ARCH_CPU_INIT
 
-#define CONFIG_TMU_TIMER
 #ifndef CONFIG_PINCTRL_PFC
 #define CONFIG_SH_GPIO_PFC
 #endif
@@ -57,4 +56,10 @@
 #undef CONFIG_SPI_FLASH_MTD
 #endif
 
+/* Timer */
+#define CONFIG_TMU_TIMER
+#define CONFIG_SYS_TIMER_COUNTS_DOWN
+#define CONFIG_SYS_TIMER_COUNTER	(TMU_BASE + 0xc)	/* TCNT0 */
+#define CONFIG_SYS_TIMER_RATE		(CONFIG_SYS_CLK_FREQ / 8)
+
 #endif	/* __RCAR_GEN2_COMMON_H */