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authorGraeme Russ <graeme.russ@gmail.com>2008-12-07 10:28:57 +1100
committerWolfgang Denk <wd@denx.de>2009-01-24 01:01:16 +0100
commitc620c01e96814558470698ed5cab1bf2f504d1b5 (patch)
tree826209153b976417541433a436ee00fe5ce8efcf /board/eNET/eNET_start.S
parent0c0ccf401ee03a5008fc2c19b05a662bce1a1086 (diff)
Added initial eNET board support
Signed-off-by: Graeme Russ <graeme.russ@gmail.com>
Diffstat (limited to 'board/eNET/eNET_start.S')
-rw-r--r--board/eNET/eNET_start.S50
1 files changed, 50 insertions, 0 deletions
diff --git a/board/eNET/eNET_start.S b/board/eNET/eNET_start.S
new file mode 100644
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+++ b/board/eNET/eNET_start.S
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+/*
+ * (C) Copyright 2008
+ * Graeme Russ, graeme.russ@gmail.com.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include "hardware.h"
+
+/* board early intialization */
+.globl early_board_init
+early_board_init:
+ /* No 32-bit board specific initialisation */
+ jmp *%ebp /* return to caller */
+
+.globl show_boot_progress_asm
+show_boot_progress_asm:
+
+ movb %al, %dl /* Create Working Copy */
+ andb $0x80, %dl /* Mask in only Error bit */
+ shrb $0x02, %dl /* Shift Error bit to Error LED */
+ andb $0x0f, %al /* Mask out 'Error' bit */
+ orb %dl, %al /* Mask in ERR LED */
+ movw $LED_LATCH_ADDRESS, %dx
+ outb %al, %dx
+ jmp *%ebp /* return to caller */
+
+.globl cpu_halt_asm
+cpu_halt_asm:
+ movb $0x0f, %al
+ movw $LED_LATCH_ADDRESS, %dx
+ outb %al, %dx
+ hlt
+ jmp cpu_halt_asm