From: hackbard <hackbard@staubsauger.localdomain>
Date: Tue, 14 Aug 2007 21:24:20 +0000 (+0200)
Subject: correct ext mem config (thnx colibri) + care for endianness
X-Git-Url: https://hackdaworld.org/gitweb/?p=my-code%2Farm.git;a=commitdiff_plain;h=67e8acdb6e63a64f34120318e44238869891deff

correct ext mem config (thnx colibri) + care for endianness
---

diff --git a/betty/Makefile b/betty/Makefile
index d9f49e7..8d10030 100644
--- a/betty/Makefile
+++ b/betty/Makefile
@@ -2,7 +2,7 @@ CC = gcc
 CFLAGS = -Wall
 
 ARMCC = /scratch/arm-elf/bin/arm-elf-gcc
-ARMCFLAGS = -Wall -mcpu=arm7tdmi-s 
+ARMCFLAGS = -Wall -mcpu=arm7tdmi-s -nostartfiles -nostdlib
 ARMOBJCOPY = /scratch/arm-elf/bin/arm-elf-objcopy
 
 HOSTOBJECTS = lpcload fwdump
diff --git a/betty/fwbc.c b/betty/fwbc.c
index 1694055..e8fea0d 100644
--- a/betty/fwbc.c
+++ b/betty/fwbc.c
@@ -77,8 +77,8 @@ int main(void) {
 
 	/* external memory init */
 
-	//BCFG0=;
-	//BCFG2=;
+	BCFG0=0x1000FBEF;		// no boot[1:0] influence? (thnx colibri)
+					// BCFG2 should be fine as is
 	flash=(u16 *)BANK0;
 
 	/* wait for fwdump to send transmit start character */
@@ -93,10 +93,10 @@ int main(void) {
 	for(i=0;i<524288;i++) {
 		while(!(UART0_LSR&(1<<5)))
 			continue;
-		UART0_THR=((*flash&0xff00)>>8);
+		UART0_THR=(*flash&0xff);		// care for endianness
 		while(!(UART0_LSR&(1<<5)))
 			continue;
-		UART0_THR=(*flash&0xff);
+		UART0_THR=((*flash&0xff00)>>8);
 		flash++;
 	}