From 39cf480484fcce5c04a590ee1c30be0c17b02c34 Mon Sep 17 00:00:00 2001
From: Stelian Pop
Date: Fri, 9 May 2008 21:57:18 +0200
Subject: Add ATMEL LCD driver

This patch adds support for the ATMEL LCDC driver which is used on some
AT91 and AVR platforms.

Is has been tested with the AT91CAP9ADK, AT91SAM9261EK, AT91SAM9263EK and
AT91SAM9RLEK boards. Adaptation for AVR32 should probably be easy.

Signed-off-by: Stelian Pop <stelian@popies.net>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
---
 lib_arm/board.c | 39 ++++++++++++++++++++++++++++-----------
 1 file changed, 28 insertions(+), 11 deletions(-)

(limited to 'lib_arm')

diff --git a/lib_arm/board.c b/lib_arm/board.c
index 67506b35e1e..b2e6910c496 100644
--- a/lib_arm/board.c
+++ b/lib_arm/board.c
@@ -121,6 +121,20 @@ void *sbrk (ptrdiff_t increment)
 	return ((void *) old);
 }
 
+char *strmhz(char *buf, long hz)
+{
+	long l, n;
+	long m;
+
+	n = hz / 1000000L;
+	l = sprintf (buf, "%ld", n);
+	m = (hz % 1000000L) / 1000L;
+	if (m != 0)
+		sprintf (buf + l, ".%03ld", m);
+	return (buf);
+}
+
+
 /************************************************************************
  * Coloured LED functionality
  ************************************************************************
@@ -279,7 +293,7 @@ void start_armboot (void)
 {
 	init_fnc_t **init_fnc_ptr;
 	char *s;
-#ifndef CFG_NO_FLASH
+#if !defined(CFG_NO_FLASH) || defined (CONFIG_VFD) || defined(CONFIG_LCD)
 	ulong size;
 #endif
 #if defined(CONFIG_VFD) || defined(CONFIG_LCD)
@@ -323,16 +337,19 @@ void start_armboot (void)
 #endif /* CONFIG_VFD */
 
 #ifdef CONFIG_LCD
-#	ifndef PAGE_SIZE
-#	  define PAGE_SIZE 4096
-#	endif
-	/*
-	 * reserve memory for LCD display (always full pages)
-	 */
-	/* bss_end is defined in the board-specific linker script */
-	addr = (_bss_end + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
-	size = lcd_setmem (addr);
-	gd->fb_base = addr;
+	/* board init may have inited fb_base */
+	if (!gd->fb_base) {
+#		ifndef PAGE_SIZE
+#		  define PAGE_SIZE 4096
+#		endif
+		/*
+		 * reserve memory for LCD display (always full pages)
+		 */
+		/* bss_end is defined in the board-specific linker script */
+		addr = (_bss_end + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
+		size = lcd_setmem (addr);
+		gd->fb_base = addr;
+	}
 #endif /* CONFIG_LCD */
 
 	/* armboot_start is defined in the board-specific linker script */
-- 
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