arm: Move timer_reset_value to arch_global_data

Move this field into arch_global_data and tidy up.

Signed-off-by: Simon Glass <sjg@chromium.org>

arch/arm/cpu/arm926ejs/davinci/timer.c

@@ -61,7 +61,7 @@ int timer_init(void)
 	writel(TIMER_LOAD_VAL, &timer->prd34);
 	writel(2 << 22, &timer->tcr);
 	gd->arch.timer_rate_hz = CONFIG_SYS_HZ_CLOCK / TIM_CLK_DIV;
-	gd->timer_reset_value = 0;
+	gd->arch.timer_reset_value = 0;
 
 	return(0);
 }
@@ -85,7 +85,7 @@ ulong get_timer(ulong base)
 {
 	unsigned long long timer_diff;
 
-	timer_diff = get_ticks() - gd->timer_reset_value;
+	timer_diff = get_ticks() - gd->arch.timer_reset_value;
 
 	return lldiv(timer_diff,
 		     (gd->arch.timer_rate_hz / CONFIG_SYS_HZ)) - base;

arch/arm/include/asm/global_data.h

@@ -40,6 +40,7 @@ struct arch_global_data {
 	unsigned long tbu;
 	unsigned long tbl;
 	unsigned long lastinc;
+	unsigned long long timer_reset_value;
 };
 
 /*
@@ -64,10 +65,6 @@ typedef	struct	global_data {
 #ifdef CONFIG_FSL_ESDHC
 	unsigned long	sdhc_clk;
 #endif
-#ifdef CONFIG_ARM
-	/* "static data" needed by most of timer.c on ARM platforms */
-	unsigned long long	timer_reset_value;
-#endif
 #ifdef CONFIG_IXP425
 	unsigned long	timestamp;
 #endif