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authorJesper Nilsson <jesper.nilsson@axis.com>2008-01-17 11:30:21 +0100
committerJesper Nilsson <jesper.nilsson@axis.com>2008-02-08 11:06:29 +0100
commitef8028a7ab1014b174c1ff9f565e387bd2a9a436 (patch)
treeff65529d65570c37ee037217d47d1a4d85c057bb /arch/cris/arch-v10/boot
parent546cc14862c8712341823c9235268062bac87b74 (diff)
CRIS v10: Correct and cleanup boot/rescue/kimagerescue.S
- Correct include path for sv_addr_ag.h, should be included from asm/arch/ - Remove useless CVS id tag. - Correct whitespace errors and some formatting.
Diffstat (limited to 'arch/cris/arch-v10/boot')
-rw-r--r--arch/cris/arch-v10/boot/rescue/kimagerescue.S58
1 files changed, 29 insertions, 29 deletions
diff --git a/arch/cris/arch-v10/boot/rescue/kimagerescue.S b/arch/cris/arch-v10/boot/rescue/kimagerescue.S
index cbccd6316d3..55eeff8bb08 100644
--- a/arch/cris/arch-v10/boot/rescue/kimagerescue.S
+++ b/arch/cris/arch-v10/boot/rescue/kimagerescue.S
@@ -1,5 +1,4 @@
-/* $Id: kimagerescue.S,v 1.1 2001/12/17 13:59:27 bjornw Exp $
- *
+/*
* Rescue code to be prepended on a kimage and copied to the
* rescue serial port.
* This is called from the rescue code, it will copy received data to
@@ -7,13 +6,13 @@
*/
#define ASSEMBLER_MACROS_ONLY
-#include <asm/sv_addr_ag.h>
+#include <asm/arch/sv_addr_ag.h>
#define CODE_START 0x40004000
#define CODE_LENGTH 784
#define TIMEOUT_VALUE 1000
-
-
+
+
#ifdef CONFIG_ETRAX_RESCUE_SER0
#define SERXOFF R_SERIAL0_XOFF
#define SERBAUD R_SERIAL0_BAUD
@@ -34,7 +33,7 @@
#define SERRECC R_SERIAL2_REC_CTRL
#define SERRDAT R_SERIAL2_REC_DATA
#define SERSTAT R_SERIAL2_STATUS
-#endif
+#endif
#ifdef CONFIG_ETRAX_RESCUE_SER3
#define SERXOFF R_SERIAL3_XOFF
#define SERBAUD R_SERIAL3_BAUD
@@ -48,54 +47,55 @@
;; 0x80000000 if loaded in flash (as it should be)
;; since etrax actually starts at address 2 when booting from flash, we
;; put a nop (2 bytes) here first so we dont accidentally skip the di
-
- nop
+
+ nop
di
-#ifndef CONFIG_SVINTO_SIM
+#ifndef CONFIG_SVINTO_SIM
;; setup port PA and PB default initial directions and data
;; (so we can flash LEDs, and so that DTR and others are set)
-
+
move.b CONFIG_ETRAX_DEF_R_PORT_PA_DIR, $r0
move.b $r0, [R_PORT_PA_DIR]
move.b CONFIG_ETRAX_DEF_R_PORT_PA_DATA, $r0
move.b $r0, [R_PORT_PA_DATA]
-
+
move.b CONFIG_ETRAX_DEF_R_PORT_PB_DIR, $r0
move.b $r0, [R_PORT_PB_DIR]
move.b CONFIG_ETRAX_DEF_R_PORT_PB_DATA, $r0
move.b $r0, [R_PORT_PB_DATA]
-
+
;; We need to setup the bus registers before we start using the DRAM
#include "../../lib/dram_init.S"
-
+
#endif
;; Setup the stack to a suitably high address.
;; We assume 8 MB is the minimum DRAM in an eLinux
;; product and put the sp at the top for now.
move.d 0x40800000, $sp
-
+
;; setup the serial port at 115200 baud
-
+
moveq 0, $r0
- move.d $r0, [SERXOFF]
+ move.d $r0, [SERXOFF]
move.b 0x99, $r0
- move.b $r0, [SERBAUD] ; 115.2kbaud for both transmit and receive
+ move.b $r0, [SERBAUD] ; 115.2kbaud for both transmit
+ ; and receive
move.b 0x40, $r0 ; rec enable
- move.b $r0, [SERRECC]
+ move.b $r0, [SERRECC]
- moveq 0, $r1 ; "timer" to clock out a LED red flash
- move.d CODE_START, $r3 ; destination counter
+ moveq 0, $r1 ; "timer" to clock out a LED red flash
+ move.d CODE_START, $r3 ; destination counter
move.d CODE_LENGTH, $r4 ; length
move.d TIMEOUT_VALUE, $r5 ; "timeout" until jump
wait_ser:
addq 1, $r1
- subq 1, $r5 ; decrease timeout
- beq jump_start ; timed out
+ subq 1, $r5 ; decrease timeout
+ beq jump_start ; timed out
nop
#ifndef CONFIG_ETRAX_NO_LEDS
#ifdef CONFIG_ETRAX_PA_LEDS
@@ -111,21 +111,21 @@ wait_ser:
or.d $r0, $r2 ; set bit
ba 2f
nop
-1: not $r0 ; clear bit
+1: not $r0 ; clear bit
and.d $r0, $r2
-2:
+2:
#ifdef CONFIG_ETRAX_PA_LEDS
move.b $r2, [R_PORT_PA_DATA]
-#endif
+#endif
#ifdef CONFIG_ETRAX_PB_LEDS
move.b $r2, [R_PORT_PB_DATA]
#endif
#endif
-
+
;; check if we got something on the serial port
-
+
move.b [SERSTAT], $r0
- btstq 0, $r0 ; data_avail
+ btstq 0, $r0 ; data_avail
bpl wait_ser
nop
@@ -134,7 +134,7 @@ wait_ser:
move.b [SERRDAT], $r0
move.b $r0, [$r3+]
move.d TIMEOUT_VALUE, $r5 ; reset "timeout"
- subq 1, $r4 ; decrease length
+ subq 1, $r4 ; decrease length
bne wait_ser
nop
jump_start: