ENGR00116472-1 U-BOOT upgrade to V2009.08

U-BOOT upgrade from V2009.01 to V2009.08
Initial version for i.MX51 BBG board.
Support:
 FEC, SPI, spi Nor Flash
 Boot from spi nor flash and mmc/sd

Signed-off-by:Fred Fan <r01011@freescale.com>

3 files changed, 124 insertions, 79 deletions

diff --git a/cpu/arm_cortexa8/mx51/Makefile b/cpu/arm_cortexa8/mx51/Makefile
index 6f10e3e981..940b05c827 100644
--- a/cpu/arm_cortexa8/mx51/Makefile
+++ b/cpu/arm_cortexa8/mx51/Makefile
@@ -27,7 +27,7 @@ include $(TOPDIR)/config.mk
 
 LIB	= $(obj)lib$(SOC).a
 
-COBJS	= interrupts.o serial.o generic.o iomux.o
+COBJS	= interrupts.o serial.o generic.o iomux.o timer.o
 SOBJS = mxc_nand_load.o
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
diff --git a/cpu/arm_cortexa8/mx51/interrupts.c b/cpu/arm_cortexa8/mx51/interrupts.c
index 484b9610d8..1b5a4d10c1 100644
--- a/cpu/arm_cortexa8/mx51/interrupts.c
+++ b/cpu/arm_cortexa8/mx51/interrupts.c
@@ -38,90 +38,12 @@
 #define GPTCR_CLKSOURCE_32 (4<<6)	/* Clock source */
 #define GPTCR_TEN       (1)	/* Timer enable */
 
-static inline void setup_gpt()
-{
-	int i;
-	static int init_done;
-
-	if (init_done)
-	    return;
-
-	init_done = 1;
-
-	/* setup GP Timer 1 */
-	GPTCR = GPTCR_SWR;
-	for (i = 0; i < 100; i++)
-		GPTCR = 0;      /* We have no udelay by now */
-	GPTPR = 0;              /* 32Khz */
-	/* Freerun Mode, PERCLK1 input */
-	GPTCR |= GPTCR_CLKSOURCE_32 | GPTCR_TEN;
-}
-
 /* nothing really to do with interrupts, just starts up a counter. */
 int interrupt_init(void)
 {
-	setup_gpt();
-
 	return 0;
 }
 
-void reset_timer(void)
-{
-	reset_timer_masked();
-}
-
-void reset_timer_masked(void)
-{
-	GPTCR = 0;
-	/* Freerun Mode, PERCLK1 input */
-	GPTCR = GPTCR_CLKSOURCE_32 | GPTCR_TEN;
-}
-
-ulong get_timer_masked(void)
-{
-	ulong val = GPTCNT;
-	return val;
-}
-
-ulong get_timer(ulong base)
-{
-	return get_timer_masked() - base;
-}
-
-void set_timer(ulong t)
-{
-}
-
-/* delay x useconds AND perserve advance timstamp value */
-void udelay(unsigned long usec)
-{
-	ulong tmo, tmp;
-
-	setup_gpt();
-
-	/* if "big" number, spread normalization to seconds */
-	if (usec >= 1000) {
-		/* start to normalize for usec to ticks per sec */
-		tmo = usec / 1000;
-		/* find number of "ticks" to wait to achieve target */
-		tmo *= CONFIG_SYS_HZ;
-		tmo /= 1000;	/* finish normalize. */
-	} else {/* else small number, don't kill it prior to HZ multiply */
-		tmo = usec * CONFIG_SYS_HZ;
-		tmo /= (1000 * 1000);
-	}
-
-	tmp = get_timer(0);	/* get current timestamp */
-	/* if setting this forward will roll time stamp */
-	if ((tmo + tmp + 1) < tmp)
-		 /* reset "advancing" timestamp to 0, set lastinc value */
-		reset_timer_masked();
-	else	/* else, set advancing stamp wake up time */
-		tmo += tmp;
-	while (get_timer_masked() < tmo)	/* loop till event */
-		 /*NOP*/;
-}
-
 void reset_cpu(ulong addr)
 {
 	__REG16(WDOG1_BASE_ADDR) = 4;
diff --git a/cpu/arm_cortexa8/mx51/timer.c b/cpu/arm_cortexa8/mx51/timer.c
new file mode 100644
index 0000000000..ff982be608
--- /dev/null
+++ b/cpu/arm_cortexa8/mx51/timer.c
@@ -0,0 +1,123 @@
+/*
+ * (C) Copyright 2007
+ * Sascha Hauer, Pengutronix
+ *
+ * (C) Copyright 2009 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/arch/mx51.h>
+
+/* General purpose timers registers */
+#define GPTCR   __REG(GPT1_BASE_ADDR)	/* Control register */
+#define GPTPR  	__REG(GPT1_BASE_ADDR + 0x4)	/* Prescaler register */
+#define GPTSR   __REG(GPT1_BASE_ADDR + 0x8)	/* Status register */
+#define GPTCNT 	__REG(GPT1_BASE_ADDR + 0x24)	/* Counter register */
+
+/* General purpose timers bitfields */
+#define GPTCR_SWR       (1<<15)	/* Software reset */
+#define GPTCR_FRR       (1<<9)	/* Freerun / restart */
+#define GPTCR_CLKSOURCE_32 (4<<6)	/* Clock source */
+#define GPTCR_TEN       (1)	/* Timer enable */
+
+static inline void setup_gpt()
+{
+	int i;
+	static int init_done;
+
+	if (init_done)
+	    return;
+
+	init_done = 1;
+
+	/* setup GP Timer 1 */
+	GPTCR = GPTCR_SWR;
+	for (i = 0; i < 100; i++)
+		GPTCR = 0;      /* We have no udelay by now */
+	GPTPR = 0;              /* 32Khz */
+	/* Freerun Mode, PERCLK1 input */
+	GPTCR |= GPTCR_CLKSOURCE_32 | GPTCR_TEN;
+}
+
+/* nothing really to do with interrupts, just starts up a counter. */
+int timer_init(void)
+{
+	setup_gpt();
+
+	return 0;
+}
+
+void reset_timer(void)
+{
+	reset_timer_masked();
+}
+
+void reset_timer_masked(void)
+{
+	GPTCR = 0;
+	/* Freerun Mode, PERCLK1 input */
+	GPTCR = GPTCR_CLKSOURCE_32 | GPTCR_TEN;
+}
+
+ulong get_timer_masked(void)
+{
+	ulong val = GPTCNT;
+	return val;
+}
+
+ulong get_timer(ulong base)
+{
+	return get_timer_masked() - base;
+}
+
+void set_timer(ulong t)
+{
+}
+
+/* delay x useconds AND perserve advance timstamp value */
+void udelay(unsigned long usec)
+{
+	ulong tmo, tmp;
+
+	setup_gpt();
+
+	/* if "big" number, spread normalization to seconds */
+	if (usec >= 1000) {
+		/* start to normalize for usec to ticks per sec */
+		tmo = usec / 1000;
+		/* find number of "ticks" to wait to achieve target */
+		tmo *= CONFIG_SYS_HZ;
+		tmo /= 1000;	/* finish normalize. */
+	} else {/* else small number, don't kill it prior to HZ multiply */
+		tmo = usec * CONFIG_SYS_HZ;
+		tmo /= (1000 * 1000);
+	}
+
+	tmp = get_timer(0);	/* get current timestamp */
+	/* if setting this forward will roll time stamp */
+	if ((tmo + tmp + 1) < tmp)
+		 /* reset "advancing" timestamp to 0, set lastinc value */
+		reset_timer_masked();
+	else	/* else, set advancing stamp wake up time */
+		tmo += tmp;
+	while (get_timer_masked() < tmo)	/* loop till event */
+		 /*NOP*/;
+}