From 228f29ac6e0026e596b3a6fbb640118b9944cdd8 Mon Sep 17 00:00:00 2001
From: wdenk <wdenk>
Date: Sun, 8 Dec 2002 09:53:23 +0000
Subject: * Improve log buffer code; use "loglevel" to decide which messages  
 to log on the console, too (like in Linux); get rid of "logstart"

---
 lib_ppc/board.c | 24 +++++++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)

(limited to 'lib_ppc')

diff --git a/lib_ppc/board.c b/lib_ppc/board.c
index 0b4147f..a6464f0 100644
--- a/lib_ppc/board.c
+++ b/lib_ppc/board.c
@@ -362,6 +362,7 @@ void board_init_f (ulong bootflag)
 	 * relocate the code and continue running from DRAM.
 	 *
 	 * Reserve memory at end of RAM for (top down in that order):
+         *  - kernel log buffer
 	 *  - protected RAM
 	 *  - LCD framebuffer
 	 *  - monitor code
@@ -386,6 +387,14 @@ void board_init_f (ulong bootflag)
 	       (gd->ram_size > 256 << 20) ? 256 << 20 : gd->ram_size;
 #endif
 
+#ifdef CONFIG_LOGBUFFER
+	/* reserve kernel log buffer */
+	addr -= (LOGBUFF_RESERVE);
+# ifdef DEBUG
+	printf ("Reserving %ldk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
+# endif
+#endif
+
 #ifdef CONFIG_PRAM
 	/*
 	 * reserve protected RAM
@@ -613,9 +622,10 @@ void board_init_r (gd_t *id, ulong dest_addr)
 	WATCHDOG_RESET ();
 
 #ifdef CONFIG_LOGBUFFER
-	logbuff_reset ();
+	logbuff_init_ptrs ();
 #endif
 #ifdef CONFIG_POST
+	post_output_backlog ();
 	post_reloc ();
 #endif
 
@@ -929,21 +939,29 @@ void board_init_r (gd_t *id, ulong dest_addr)
 	bedbug_init ();
 #endif
 
-#ifdef CONFIG_PRAM
+#if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
 	/*
 	 * Export available size of memory for Linux,
 	 * taking into account the protected RAM at top of memory
 	 */
 	{
 		ulong pram;
-		char *s;
 		uchar memsz[32];
+#ifdef CONFIG_PRAM
+		char *s;
 
 		if ((s = getenv ("pram")) != NULL) {
 			pram = simple_strtoul (s, NULL, 10);
 		} else {
 			pram = CONFIG_PRAM;
 		}
+#else
+		pram=0;
+#endif
+#ifdef CONFIG_LOGBUFFER
+		/* Also take the logbuffer into account (pram is in kB) */
+		pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
+#endif
 		sprintf (memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
 		setenv ("mem", memsz);
 	}
-- 
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