svn_rev_033

change to clocksource api

board/mx1ads/syncflash.c

@@ -276,8 +276,6 @@ int flash_erase (flash_info_t *info, int s_first, int s_last) {
 
 /* arm simple, non interrupt dependent timer */
 
-		reset_timer_masked();
-
 		SF_NvmodeErase();
 		SF_NvmodeWrite();
 

common/clock.c

@@ -57,17 +57,23 @@ uint32_t clocksource_hz2mult(uint32_t hz, uint32_t shift_constant)
 
 int is_timeout(uint64_t start_ns, uint64_t time_offset_ns)
 {
+	if (ctrlc ())
+		return -1;
+
 	if (start_ns + time_offset_ns < get_time_ns())
 		return 1;
 	else
 		return 0;
 }
 
-void udelay(unsigned long usecs)
+int udelay(unsigned long usecs)
 {
 	uint64_t start = get_time_ns();
 
-	while(!is_timeout(start, usecs * 1000));
+	while(!is_timeout(start, usecs * 1000))
+		if (ctrlc ())
+			return -1;
+	return 0;
 }
 
 void mdelay(unsigned long msecs)

common/cmd_misc.c

@@ -26,12 +26,13 @@
  */
 #include <common.h>
 #include <command.h>
+#include <clock.h>
 
 #if (CONFIG_COMMANDS & CFG_CMD_MISC)
 
 int do_sleep (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 {
-	ulong start = get_timer(0);
+	uint64_t start;
 	ulong delay;
 
 	if (argc != 2) {
@@ -41,12 +42,8 @@ int do_sleep (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 
 	delay = simple_strtoul(argv[1], NULL, 10) * CFG_HZ;
 
-	while (get_timer(start) < delay) {
+	start = get_time_ns();
-		if (ctrlc ()) {
+	while (!is_timeout(start, delay * 1000000));
-			return (-1);
-		}
-		udelay (100);
-	}
 
 	return 0;
 }

common/exports.c

@@ -25,7 +25,7 @@ void jumptable_init (void)
 	gd->jt[XF_free] = (void *) free;
 	gd->jt[XF_getenv] = (void *) getenv;
 	gd->jt[XF_setenv] = (void *) setenv;
-	gd->jt[XF_get_timer] = (void *) get_timer;
+//	gd->jt[XF_get_timer] = (void *) get_timer;
 	gd->jt[XF_simple_strtoul] = (void *) simple_strtoul;
 	gd->jt[XF_udelay] = (void *) udelay;
 #if defined(CONFIG_I386) || defined(CONFIG_PPC)

drivers/cfi_flash.c

@@ -788,18 +788,18 @@ static int flash_is_busy (flash_info_t * info, flash_sect_t sect)
  *  This routine does not set the flash to read-array mode.
  */
 static int flash_status_check (flash_info_t * info, flash_sect_t sector,
-			       ulong tout, char *prompt)
+			       uint64_t tout, char *prompt)
 {
-	ulong start;
+	uint64_t start;
 
 #if CFG_HZ != 1000
 	tout *= CFG_HZ/1000;
 #endif
 
 	/* Wait for command completion */
-	start = get_timer (0);
+	start = get_time_ns();
 	while (flash_is_busy (info, sector)) {
-		if (get_timer (start) > tout) {
+		if (is_timeout(start, tout)) {
 			printf ("Flash %s timeout at address %lx data %lx\n",
 				prompt, info->start[sector],
 				flash_read_long (info, sector, 0));
@@ -816,7 +816,7 @@ static int flash_status_check (flash_info_t * info, flash_sect_t sector,
  * This routine sets the flash to read-array mode.
  */
 static int flash_full_status_check (flash_info_t * info, flash_sect_t sector,
-				    ulong tout, char *prompt)
+				    uint64_t tout, char *prompt)
 {
 	int retcode;
 
@@ -1318,10 +1318,10 @@ ulong flash_get_size (ulong base, int banknum)
 		info->erase_blk_tout = (tmp * (1 << flash_read_uchar (info, FLASH_OFFSET_EMAX_TOUT)));
 		tmp = (1 << flash_read_uchar (info, FLASH_OFFSET_WBTOUT)) *
 			(1 << flash_read_uchar (info, FLASH_OFFSET_WBMAX_TOUT));
-		info->buffer_write_tout = tmp / 1000 + (tmp % 1000 ? 1 : 0); /* round up when converting to ms */
+		info->buffer_write_tout = tmp * 1000;
 		tmp = (1 << flash_read_uchar (info, FLASH_OFFSET_WTOUT)) *
 		      (1 << flash_read_uchar (info, FLASH_OFFSET_WMAX_TOUT));
-		info->write_tout = tmp / 1000 + (tmp % 1000 ? 1 : 0); /* round up when converting to ms */
+		info->write_tout = tmp * 1000;
 		info->flash_id = FLASH_MAN_CFI;
 		if ((info->interface == FLASH_CFI_X8X16) && (info->chipwidth == FLASH_CFI_BY8)) {
 			info->portwidth >>= 1;	/* XXX - Need to test on x8/x16 in parallel. */

drivers/cs8900.c

@@ -40,6 +40,7 @@
 #include <command.h>
 #include "cs8900.h"
 #include <net.h>
+#include <clock.h>
 
 #ifdef CONFIG_DRIVER_CS8900
 
@@ -84,7 +85,7 @@ static void put_reg (int regno, unsigned short val)
 
 static void eth_reset (void)
 {
-	int tmo;
+	uint64_t start;
 	unsigned short us;
 
 	/* reset NIC */
@@ -94,9 +95,9 @@ static void eth_reset (void)
 	udelay (200000);
 	/* Wait until the chip is reset */
 
-	tmo = get_timer (0) + 1 * CFG_HZ;
+	start = get_time_ns();
 	while ((((us = get_reg_init_bus (PP_SelfSTAT)) & PP_SelfSTAT_InitD) == 0)
-		   && tmo < get_timer (0))
+		   && !is_timeout(start, SECOND))
 		/*NOP*/;
 }
 
@@ -236,7 +237,7 @@ extern int eth_rx (void)
 extern int eth_send (volatile void *packet, int length)
 {
 	volatile unsigned short *addr;
-	int tmo;
+	uint64_t start;
 	unsigned short s;
 
 retry:
@@ -250,8 +251,9 @@ retry:
 #ifdef DEBUG
 		printf ("cs: unable to send packet; retrying...\n");
 #endif
-		for (tmo = get_timer (0) + 5 * CFG_HZ; get_timer (0) < tmo;)
+		/* FIXME */
-			/*NOP*/;
+		udelay(5000);
+
 		eth_reset ();
 		eth_reginit ();
 		goto retry;
@@ -263,9 +265,9 @@ retry:
 		CS8900_RTDATA = *addr++;
 
 	/* wait for transfer to succeed */
-	tmo = get_timer (0) + 5 * CFG_HZ;
+	start = get_time_ns();
 	while ((s = get_reg (PP_TER) & ~0x1F) == 0) {
-		if (get_timer (0) >= tmo)
+		if (is_timeout(start, SECOND))
 			break;
 	}
 

include/asm-arm/u-boot-arm.h

@@ -54,8 +54,4 @@ void	setup_revision_tag (struct tag **params);
 /* common/cmd_nvedit.c */
 void	setenv		(char *, char *);
 
-/* cpu/.../interrupt.c */
-void	reset_timer_masked	(void);
-ulong	get_timer_masked	(void);
-
 #endif	/* _U_BOOT_ARM_H_ */

include/clock.h

@@ -1,3 +1,5 @@
+#ifndef CLOCK_H
+#define CLOCK_H
 
 struct clocksource {
 	uint32_t	shift;
@@ -8,7 +10,7 @@ struct clocksource {
 
 };
 
-inline uint32_t cyc2ns(struct clocksource *cs, uint64_t cycles)
+static inline uint32_t cyc2ns(struct clocksource *cs, uint64_t cycles)
 {
         uint64_t ret = cycles;
         ret = (ret * cs->mult) >> cs->shift;
@@ -27,3 +29,8 @@ int is_timeout(uint64_t start_ns, uint64_t time_offset_ns);
 
 void mdelay(unsigned long msecs);
 
+#define SECOND ((uint64_t)(1000 * 1000 * 1000))
+#define MSECOND ((uint64_t)(1000 * 1000))
+#define USECOND ((uint64_t)(1000))
+
+#endif /* CLOCK_H */

include/common.h

@@ -517,7 +517,6 @@ void	external_interrupt (struct pt_regs *);
 void	irq_install_handler(int, interrupt_handler_t *, void *);
 void	irq_free_handler   (int);
 void	reset_timer	   (void);
-ulong	get_timer	   (ulong base);
 void	set_timer	   (ulong t);
 void	enable_interrupts  (void);
 int	disable_interrupts (void);
@@ -555,7 +554,7 @@ unsigned long long get_ticks(void);
 void	wait_ticks    (unsigned long);
 
 /* lib_$(ARCH)/time.c */
-void	udelay	      (unsigned long);
+int	udelay	      (unsigned long);
 ulong	usec2ticks    (unsigned long usec);
 ulong	ticks2usec    (unsigned long ticks);
 int	init_timebase (void);

include/exports.h

@@ -16,8 +16,7 @@ void install_hdlr(int, interrupt_handler_t*, void*);
 void free_hdlr(int);
 void *malloc(size_t);
 void free(void*);
-void udelay(unsigned long);
+int udelay(unsigned long);
-unsigned long get_timer(unsigned long);
 void vprintf(const char *, va_list);
 void do_reset (void);
 unsigned long simple_strtoul(const char *cp,char **endp,unsigned int base);

include/net.h

@@ -374,7 +374,7 @@ extern uint	NetCksum(uchar *, int);		/* Calculate the checksum	*/
 
 /* Set callbacks */
 extern void	NetSetHandler(rxhand_f *);	/* Set RX packet handler	*/
-extern void	NetSetTimeout(ulong, thand_f *);/* Set timeout handler		*/
+extern void	NetSetTimeout(uint64_t, thand_f *);/* Set timeout handler		*/
 
 /* Transmit "NetTxPacket" */
 extern void	NetSendPacket(volatile uchar *, int);

net/bootp.c

@@ -17,6 +17,7 @@
 
 #include <common.h>
 #include <command.h>
+#include <clock.h>
 #include <net.h>
 #include "bootp.h"
 #include "tftp.h"
@@ -650,7 +651,8 @@ BootpRequest (void)
 	bp->bp_htype = HWT_ETHER;
 	bp->bp_hlen = HWL_ETHER;
 	bp->bp_hops = 0;
-	bp->bp_secs = htons(get_timer(0) / CFG_HZ);
+	/* FIXME what is this? */
+//	bp->bp_secs = htons(get_timer(0) / CFG_HZ);
 	NetWriteIP(&bp->bp_ciaddr, 0);
 	NetWriteIP(&bp->bp_yiaddr, 0);
 	NetWriteIP(&bp->bp_siaddr, 0);
@@ -673,7 +675,7 @@ BootpRequest (void)
 		| ((ulong)NetOurEther[3] << 16)
 		| ((ulong)NetOurEther[4] << 8)
 		| (ulong)NetOurEther[5];
-	BootpID += get_timer(0);
+	BootpID += (uint32_t)get_time_ns();
 	BootpID	 = htonl(BootpID);
 	NetCopyLong(&bp->bp_id, &BootpID);
 
@@ -828,7 +830,8 @@ static void DhcpSendRequestPkt(Bootp_t *bp_offer)
 	bp->bp_htype = HWT_ETHER;
 	bp->bp_hlen = HWL_ETHER;
 	bp->bp_hops = 0;
-	bp->bp_secs = htons(get_timer(0) / CFG_HZ);
+	/* FIXME what is this? */
+//	bp->bp_secs = htons(get_timer(0) / CFG_HZ);
 	NetCopyIP(&bp->bp_ciaddr, &bp_offer->bp_ciaddr); /* both in network byte order */
 	NetCopyIP(&bp->bp_yiaddr, &bp_offer->bp_yiaddr);
 	NetCopyIP(&bp->bp_siaddr, &bp_offer->bp_siaddr);

net/net.c

@@ -75,6 +75,7 @@
 
 
 #include <common.h>
+#include <clock.h>
 #include <watchdog.h>
 #include <command.h>
 #include <net.h>
@@ -94,7 +95,7 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#define ARP_TIMEOUT		5		/* Seconds before trying ARP again */
+#define ARP_TIMEOUT		(5 * SECOND)	/* Seconds before trying ARP again */
 #ifndef	CONFIG_NET_RETRY_COUNT
 # define ARP_TIMEOUT_COUNT	5		/* # of timeouts before giving up  */
 #else
@@ -235,15 +236,11 @@ void ArpRequest (void)
 
 void ArpTimeoutCheck(void)
 {
-	ulong t;
-
 	if (!NetArpWaitPacketIP)
 		return;
 
-	t = get_timer(0);
-
 	/* check for arp timeout */
-	if ((t - NetArpWaitTimerStart) > ARP_TIMEOUT * CFG_HZ) {
+	if (is_timeout(NetArpWaitTimerStart, ARP_TIMEOUT)) {
 		NetArpWaitTry++;
 
 		if (NetArpWaitTry >= ARP_TIMEOUT_COUNT) {
@@ -251,7 +248,7 @@ void ArpTimeoutCheck(void)
 			NetArpWaitTry = 0;
 			NetStartAgain();
 		} else {
-			NetArpWaitTimerStart = t;
+			NetArpWaitTimerStart = get_time_ns();
 			ArpRequest();
 		}
 	}
@@ -501,7 +498,7 @@ restart:
 		 *	Check for a timeout, and run the timeout handler
 		 *	if we have one.
 		 */
-		if (timeHandler && ((get_timer(0) - timeStart) > timeDelta)) {
+		if (timeHandler && ((get_time_ns() - timeStart) > timeDelta)) {
 			thand_f *x;
 
 #if defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII)
@@ -615,13 +612,13 @@ NetSetHandler(rxhand_f * f)
 
 
 void
-NetSetTimeout(ulong iv, thand_f * f)
+NetSetTimeout(uint64_t iv, thand_f * f)
 {
 	if (iv == 0) {
 		timeHandler = (thand_f *)0;
 	} else {
 		timeHandler = f;
-		timeStart = get_timer(0);
+		timeStart = get_time_ns();
 		timeDelta = iv;
 	}
 }
@@ -666,7 +663,7 @@ NetSendUDPPacket(uchar *ether, IPaddr_t dest, int dport, int sport, int len)
 
 		/* and do the ARP request */
 		NetArpWaitTry = 1;
-		NetArpWaitTimerStart = get_timer(0);
+		NetArpWaitTimerStart = get_time_ns();
 		ArpRequest();
 		return 1;	/* waiting */
 	}
@@ -737,7 +734,7 @@ int PingSend(void)
 
 	/* and do the ARP request */
 	NetArpWaitTry = 1;
-	NetArpWaitTimerStart = get_timer(0);
+	NetArpWaitTimerStart = get_time_ns();
 	ArpRequest();
 	return 1;	/* waiting */
 }

net/tftp.c

@@ -7,6 +7,7 @@
 #include <common.h>
 #include <command.h>
 #include <net.h>
+#include <clock.h>
 #include "tftp.h"
 #include "bootp.h"
 
@@ -369,7 +370,7 @@ TftpStart (void)
 	TftpTimeoutCount = 0;
 	TftpState = STATE_RRQ;
 	/* Use a pseudo-random port unless a specific port is set */
-	TftpOurPort = 1024 + (get_timer(0) % 3072);
+	TftpOurPort = 1024 + (get_time_ns() % 3072);
 #ifdef CONFIG_TFTP_PORT
 	if ((ep = getenv("tftpdstp")) != NULL) {
 		TftpServerPort = simple_strtol(ep, NULL, 10);