From f9eb889616a82282194b15a3d9cf17b5bb6d34e7 Mon Sep 17 00:00:00 2001
From: Jens Ahrensfeld <jens@jayfield.org>
Date: Wed, 11 Jan 2017 08:07:33 +0000
Subject: [PATCH] bootloader no peripheral initialization

git-svn-id: http://moon:8086/svn/mips@72 a8ebac50-d88d-4704-bea3-6648445a41b3
---
 src/bootloader/bootloader.ld  |  8 --------
 src/bootloader/kernel_boot.S  | 14 ++------------
 src/bootloader/startup_boot.S |  5 -----
 3 files changed, 2 insertions(+), 25 deletions(-)

diff --git a/src/bootloader/bootloader.ld b/src/bootloader/bootloader.ld
index bf6505c..e031757 100644
--- a/src/bootloader/bootloader.ld
+++ b/src/bootloader/bootloader.ld
@@ -7,14 +7,6 @@ MEMORY
 }
 
 stack_ptr = 0x7FFFEFF0;
-baudrate = 0x0D;
-sys_led_port = 0xA0000000;
-sys_uart_data = 0xA0010000;
-sys_uart_stat = 0xA0010004;
-sys_uart_baud = 0xA0010008;
-sys_timer_usec = 0xA000008;
-sys_timer_sec = 0xA000000C;
-
 
 SECTIONS
 {
diff --git a/src/bootloader/kernel_boot.S b/src/bootloader/kernel_boot.S
index 62fd710..078cc9f 100644
--- a/src/bootloader/kernel_boot.S
+++ b/src/bootloader/kernel_boot.S
@@ -17,20 +17,10 @@ _exc_handler:
 
 		.set	noreorder
 		
-		# Set Error LED and ExcCode LEDs
-		# Get Cause
-		mfc0	$26, $13
-		li 		$27, 0xC0000000
-		srl		$26, 2
-		andi	$26, 0x000F
-		or 		$26, $27
-		la 		$27, sys_led_port
-		sw 		$26, 0($27)
-
 		# wait for all interrupts = 0
-$w4x:	mfc0	$26, $13
+$w4x:           mfc0	$26, $13
 		nop
-		srl		$26, 8
+		srl	$26, 8
 		andi	$26, 0xFF
 		bnez	$26, $w4x
 		nop
diff --git a/src/bootloader/startup_boot.S b/src/bootloader/startup_boot.S
index 27d3353..67424f0 100644
--- a/src/bootloader/startup_boot.S
+++ b/src/bootloader/startup_boot.S
@@ -41,11 +41,6 @@ _init:
 		jalr $k0
 		nop
 
-		# set uart
-		la	$26, sys_uart_baud
-		addiu	$27, $0, baudrate
-		sw	$27, 0($26)
-		
 		la $26, main
 		
 		jalr $26