X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=common%2Fcmd_log.c;h=0e89357e5dcd003956a6678b9a590f47126a265f;hb=5aa5b88404b2b3610d36a9626ec36dcc81194aa9;hp=fba8bd8bf5c51a3e39ecbaa0fd8ccb3d8f639eec;hpb=bf6a9ca9b2aa219612c3678444b8123e28aa8940;p=u-boot

diff --git a/common/cmd_log.c b/common/cmd_log.c
index fba8bd8bf5..0e89357e5d 100644
--- a/common/cmd_log.c
+++ b/common/cmd_log.c
@@ -42,14 +42,12 @@
 
 #include <common.h>
 #include <command.h>
-#include <devices.h>
+#include <stdio_dev.h>
 #include <post.h>
 #include <logbuff.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#if defined(CONFIG_LOGBUFFER)
-
 /* Local prototypes */
 static void logbuff_putc (const char c);
 static void logbuff_puts (const char *s);
@@ -61,14 +59,31 @@ static char buf[1024];
 static unsigned console_loglevel = 3;
 static unsigned default_message_loglevel = 4;
 static unsigned log_version = 1;
+#ifdef CONFIG_ALT_LB_ADDR
+static volatile logbuff_t *log;
+#else
 static logbuff_t *log;
+#endif
+static char *lbuf;
+
+unsigned long __logbuffer_base(void)
+{
+	return CONFIG_SYS_SDRAM_BASE + gd->bd->bi_memsize - LOGBUFF_LEN;
+}
+unsigned long logbuffer_base (void) __attribute__((weak, alias("__logbuffer_base")));
 
 void logbuff_init_ptrs (void)
 {
 	unsigned long tag, post_word;
 	char *s;
 
-	log = (logbuff_t *)(gd->bd->bi_memsize-LOGBUFF_LEN) - 1;
+#ifdef CONFIG_ALT_LB_ADDR
+	log = (logbuff_t *)CONFIG_ALT_LH_ADDR;
+	lbuf = (char *)CONFIG_ALT_LB_ADDR;
+#else
+	log = (logbuff_t *)(logbuffer_base ()) - 1;
+	lbuf = (char *)log->buf;
+#endif
 
 	/* Set up log version */
 	if ((s = getenv ("logversion")) != NULL)
@@ -98,21 +113,36 @@ void logbuff_init_ptrs (void)
 	if ((s = getenv ("loglevel")) != NULL)
 		console_loglevel = (int)simple_strtoul (s, NULL, 10);
 
-	gd->post_log_word |= LOGBUFF_INITIALIZED;
+	gd->flags |= GD_FLG_LOGINIT;
 }
 
 void logbuff_reset (void)
 {
+#ifndef CONFIG_ALT_LB_ADDR
 	memset (log, 0, sizeof (logbuff_t));
-	if (log_version == 2)
+#endif
+	if (log_version == 2) {
 		log->v2.tag = LOGBUFF_MAGIC;
-	else
+#ifdef CONFIG_ALT_LB_ADDR
+		log->v2.start = 0;
+		log->v2.con = 0;
+		log->v2.end = 0;
+		log->v2.chars = 0;
+#endif
+	} else {
 		log->v1.tag = LOGBUFF_MAGIC;
+#ifdef CONFIG_ALT_LB_ADDR
+		log->v1.dummy = 0;
+		log->v1.start = 0;
+		log->v1.size = 0;
+		log->v1.chars = 0;
+#endif
+	}
 }
 
 int drv_logbuff_init (void)
 {
-	device_t logdev;
+	struct stdio_dev logdev;
 	int rc;
 
 	/* Device initialization */
@@ -124,7 +154,7 @@ int drv_logbuff_init (void)
 	logdev.putc  = logbuff_putc;		/* 'putc' function */
 	logdev.puts  = logbuff_puts;		/* 'puts' function */
 
-	rc = device_register (&logdev);
+	rc = stdio_register (&logdev);
 
 	return (rc == 0) ? 1 : rc;
 }
@@ -144,7 +174,7 @@ static void logbuff_puts (const char *s)
 
 void logbuff_log(char *msg)
 {
-	if ((gd->post_log_word & LOGBUFF_INITIALIZED)) {
+	if ((gd->flags & GD_FLG_LOGINIT)) {
 		logbuff_printk (msg);
 	} else {
 		/* Can happen only for pre-relocated errors as logging */
@@ -163,7 +193,7 @@ void logbuff_log(char *msg)
  * Return:      None
  *
  */
-int do_log (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+int do_log (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
 	char *s;
 	unsigned long i, start, size;
@@ -190,7 +220,7 @@ int do_log (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 				size = log->v1.size;
 			}
 			for (i=0; i < (size&LOGBUFF_MASK); i++) {
-				s = (char *)log->buf+((start+i)&LOGBUFF_MASK);
+				s = lbuf+((start+i)&LOGBUFF_MASK);
 				putc (*s);
 			}
 			return 0;
@@ -198,7 +228,7 @@ int do_log (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 			logbuff_reset ();
 			return 0;
 		} else if (strcmp(argv[1],"info") == 0) {
-			printf ("Logbuffer   at  %08lx\n", (unsigned long)log->buf);
+			printf ("Logbuffer   at  %08lx\n", (unsigned long)lbuf);
 			if (log_version == 2) {
 				printf ("log_start    =  %08lx\n", log->v2.start);
 				printf ("log_end      =  %08lx\n", log->v2.end);
@@ -211,22 +241,20 @@ int do_log (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 			}
 			return 0;
 		}
-		printf ("Usage:\n%s\n", cmdtp->usage);
-		return 1;
+		return cmd_usage(cmdtp);
 
 	default:
-		printf ("Usage:\n%s\n", cmdtp->usage);
-		return 1;
+		return cmd_usage(cmdtp);
 	}
 }
 
 U_BOOT_CMD(
 	log,     255,	1,	do_log,
-	"log     - manipulate logbuffer\n",
+	"manipulate logbuffer",
 	"info   - show pointer details\n"
 	"log reset  - clear contents\n"
 	"log show   - show contents\n"
-	"log append <msg> - append <msg> to the logbuffer\n"
+	"log append <msg> - append <msg> to the logbuffer"
 );
 
 static int logbuff_printk(const char *line)
@@ -259,14 +287,14 @@ static int logbuff_printk(const char *line)
 		line_feed = 0;
 		for (; p < buf_end; p++) {
 			if (log_version == 2) {
-				log->buf[log->v2.end & LOGBUFF_MASK] = *p;
+				lbuf[log->v2.end & LOGBUFF_MASK] = *p;
 				log->v2.end++;
 				if (log->v2.end - log->v2.start > LOGBUFF_LEN)
 					log->v2.start++;
 				log->v2.chars++;
 			}
 			else {
-				log->buf[(log->v1.start + log->v1.size) &
+				lbuf[(log->v1.start + log->v1.size) &
 					 LOGBUFF_MASK] = *p;
 				if (log->v1.size < LOGBUFF_LEN)
 					log->v1.size++;
@@ -287,5 +315,3 @@ static int logbuff_printk(const char *line)
 	}
 	return i;
 }
-
-#endif /* (CONFIG_LOGBUFFER) */