ixp: Move timestamp 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/ixp/timer.c

@@ -70,14 +70,14 @@ unsigned long long get_ticks(void)
 
 	if (readl(IXP425_OSST) & IXP425_OSST_TIMER_TS_PEND) {
 		/* rollover of timestamp timer register */
-		gd->timestamp += (0xFFFFFFFF - gd->arch.lastinc) + now + 1;
+		gd->arch.timestamp += (0xFFFFFFFF - gd->arch.lastinc) + now + 1;
 		writel(IXP425_OSST_TIMER_TS_PEND, IXP425_OSST);
 	} else {
 		/* move stamp forward with absolut diff ticks */
-		gd->timestamp += (now - gd->arch.lastinc);
+		gd->arch.timestamp += (now - gd->arch.lastinc);
 	}
 	gd->arch.lastinc = now;
-	return gd->timestamp;
+	return gd->arch.timestamp;
 }
 
 
@@ -86,7 +86,7 @@ void reset_timer_masked(void)
 	/* capture current timestamp counter */
 	gd->arch.lastinc = readl(IXP425_OSTS_B);
 	/* start "advancing" time stamp from 0 */
-	gd->timestamp = 0;
+	gd->arch.timestamp = 0;
 }
 
 ulong get_timer_masked(void)

arch/arm/include/asm/global_data.h

@@ -41,6 +41,9 @@ struct arch_global_data {
 	unsigned long tbl;
 	unsigned long lastinc;
 	unsigned long long timer_reset_value;
+#ifdef CONFIG_IXP425
+	unsigned long timestamp;
+#endif
 };
 
 /*
@@ -64,9 +67,6 @@ typedef	struct	global_data {
 	unsigned long	fb_base;	/* base address of frame buffer */
 #ifdef CONFIG_FSL_ESDHC
 	unsigned long	sdhc_clk;
-#endif
-#ifdef CONFIG_IXP425
-	unsigned long	timestamp;
 #endif
 	unsigned long	relocaddr;	/* Start address of U-Boot in RAM */
 	phys_size_t	ram_size;	/* RAM size */