diff -urN linux-2.6.19.2.orig/arch/cris/arch-v10/boot/Makefile linux-2.6.19.2/arch/cris/arch-v10/boot/Makefile --- linux-2.6.19.2.orig/arch/cris/arch-v10/boot/Makefile 2007-05-28 16:28:34.000000000 +0200 +++ linux-2.6.19.2/arch/cris/arch-v10/boot/Makefile 2007-05-28 17:24:26.000000000 +0200 @@ -5,7 +5,7 @@ OBJCOPY = /usr/local/cris/objcopy-cris OBJCOPYFLAGS = -O binary --remove-section=.bss -subdir- := compressed rescue +subdir- := compressed targets := Image $(obj)/Image: vmlinux FORCE @@ -14,8 +14,12 @@ $(obj)/compressed/vmlinux: $(obj)/Image FORCE $(Q)$(MAKE) $(build)=$(obj)/compressed $@ - $(Q)$(MAKE) $(build)=$(obj)/rescue $(obj)/rescue/rescue.bin $(obj)/zImage: $(obj)/compressed/vmlinux @cp $< $@ + @cp $(obj)/compressed/vmlinux $(obj)/zImage_custom + @cp $(obj)/compressed/vmlinux_MCM $(obj)/zImage_MCM + @cp $(obj)/compressed/vmlinux_416 $(obj)/zImage_416 + @cp $(obj)/compressed/vmlinux_816 $(obj)/zImage_816 + @cp $(obj)/compressed/vmlinux_832 $(obj)/zImage_832 @echo ' Kernel: $@ is ready' diff -urN linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/Makefile linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/Makefile --- linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/Makefile 2007-05-28 16:28:34.000000000 +0200 +++ linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/Makefile 2007-05-28 17:03:02.000000000 +0200 @@ -17,18 +17,34 @@ $(obj)/decompress.o: $(OBJECTS) FORCE $(call if_changed,ld) + $(LD) $(LDFLAGS) arch/cris/boot/compressed/head_MCM.o arch/cris/boot/compressed/misc.o -o arch/cris/boot/compressed/decompress_MCM.o + $(LD) $(LDFLAGS) arch/cris/boot/compressed/head_416.o arch/cris/boot/compressed/misc.o -o arch/cris/boot/compressed/decompress_416.o + $(LD) $(LDFLAGS) arch/cris/boot/compressed/head_816.o arch/cris/boot/compressed/misc.o -o arch/cris/boot/compressed/decompress_816.o + $(LD) $(LDFLAGS) arch/cris/boot/compressed/head_832.o arch/cris/boot/compressed/misc.o -o arch/cris/boot/compressed/decompress_832.o $(obj)/decompress.bin: $(obj)/decompress.o FORCE $(call if_changed,objcopy) + $(OBJCOPY) $(OBJCOPYFLAGS) $(obj)/decompress_MCM.o $(obj)/decompress_MCM.bin + $(OBJCOPY) $(OBJCOPYFLAGS) $(obj)/decompress_416.o $(obj)/decompress_416.bin + $(OBJCOPY) $(OBJCOPYFLAGS) $(obj)/decompress_816.o $(obj)/decompress_816.bin + $(OBJCOPY) $(OBJCOPYFLAGS) $(obj)/decompress_832.o $(obj)/decompress_832.bin + +$(obj)/head.o: $(obj)/head.S .config FORCE + /usr/local/cris/gcc-cris -melf -Iinclude -include include/linux/autoconf.h -D__ASSEMBLY__ -traditional -c $< -o $@ + /usr/local/cris/gcc-cris -melf -Iinclude -include include/linux/autoconf.h -D__ASSEMBLY__ -traditional -c arch/cris/boot/compressed/head_MCM.S -o arch/cris/boot/compressed/head_MCM.o + /usr/local/cris/gcc-cris -melf -Iinclude -include include/linux/autoconf.h -D__ASSEMBLY__ -traditional -c arch/cris/boot/compressed/head_416.S -o arch/cris/boot/compressed/head_416.o + /usr/local/cris/gcc-cris -melf -Iinclude -include include/linux/autoconf.h -D__ASSEMBLY__ -traditional -c arch/cris/boot/compressed/head_816.S -o arch/cris/boot/compressed/head_816.o + /usr/local/cris/gcc-cris -melf -Iinclude -include include/linux/autoconf.h -D__ASSEMBLY__ -traditional -c arch/cris/boot/compressed/head_832.S -o arch/cris/boot/compressed/head_832.o -$(obj)/head.o: $(obj)/head.S .config - /usr/local/cris/gcc-cris -melf $(LINUXINCLUDE) -D__ASSEMBLY__ -traditional -c $< -o $@ - -$(obj)/misc.o: $(obj)/misc.c .config +$(obj)/misc.o: $(obj)/misc.c .config FORCE /usr/local/cris/gcc-cris -melf $(LINUXINCLUDE) -D__KERNEL__ -c $< -o $@ $(obj)/vmlinux: $(obj)/piggy.gz $(obj)/decompress.bin FORCE $(call if_changed,image) + cat $(obj)/decompress_MCM.bin $(obj)/piggy.gz > $(obj)/vmlinux_MCM + cat $(obj)/decompress_416.bin $(obj)/piggy.gz > $(obj)/vmlinux_416 + cat $(obj)/decompress_816.bin $(obj)/piggy.gz > $(obj)/vmlinux_816 + cat $(obj)/decompress_832.bin $(obj)/piggy.gz > $(obj)/vmlinux_832 $(obj)/piggy.gz: $(obj)/../Image FORCE $(call if_changed,gzip) diff -urN linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/dram_init.S linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/dram_init.S --- linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/dram_init.S 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/dram_init.S 2007-05-28 16:42:15.000000000 +0200 @@ -0,0 +1,207 @@ +/* $Id: dram_init.S,v 1.5 2006/10/13 12:43:11 starvik Exp $ + * + * DRAM/SDRAM initialization - alter with care + * This file is intended to be included from other assembler files + * + * Note: This file may not modify r9 because r9 is used to carry + * information from the decompresser to the kernel + * + * Copyright (C) 2000, 2001 Axis Communications AB + * + * Authors: Mikael Starvik (starvik@axis.com) + * + * $Log: dram_init.S,v $ + * Revision 1.5 2006/10/13 12:43:11 starvik + * Merge of 2.6.18 + * + * Revision 1.4 2003/09/22 09:21:59 starvik + * Decompresser is linked to 0x407xxxxx and sdram commands are at 0x000xxxxx + * so we need to mask off 12 bits. + * + * Revision 1.3 2003/03/31 09:38:37 starvik + * Corrected calculation of end of sdram init commands + * + * Revision 1.2 2002/11/19 13:33:29 starvik + * Changes from Linux 2.4 + * + * Revision 1.13 2002/10/30 07:42:28 starvik + * Always read SDRAM command sequence from flash + * + * Revision 1.12 2002/08/09 11:37:37 orjanf + * Added double initialization work-around for Samsung SDRAMs. + * + * Revision 1.11 2002/06/04 11:43:21 starvik + * Check if mrs_data is specified in kernelconfig (necessary for MCM) + * + * Revision 1.10 2001/10/04 12:00:21 martinnn + * Added missing underscores. + * + * Revision 1.9 2001/10/01 14:47:35 bjornw + * Added register prefixes and removed underscores + * + * Revision 1.8 2001/05/15 07:12:45 hp + * Copy warning from head.S about r8 and r9 + * + * Revision 1.7 2001/04/18 12:05:39 bjornw + * Fixed comments, and explicitely include config.h to be sure its there + * + * Revision 1.6 2001/04/10 06:20:16 starvik + * Delay should be 200us, not 200ns + * + * Revision 1.5 2001/04/09 06:01:13 starvik + * Added support for 100 MHz SDRAMs + * + * Revision 1.4 2001/03/26 14:24:01 bjornw + * Namechange of some config options + * + * Revision 1.3 2001/03/23 08:29:41 starvik + * Corrected calculation of mrs_data + * + * Revision 1.2 2001/02/08 15:20:00 starvik + * Corrected SDRAM initialization + * Should now be included as inline + * + * Revision 1.1 2001/01/29 13:08:02 starvik + * Initial version + * This file should be included from all assembler files that needs to + * initialize DRAM/SDRAM. + * + */ + +/* Just to be certain the config file is included, we include it here + * explicitely instead of depending on it being included in the file that + * uses this code. + */ + + + ;; WARNING! The registers r8 and r9 are used as parameters carrying + ;; information from the decompressor (if the kernel was compressed). + ;; They should not be used in the code below. + +#ifndef CONFIG_SVINTO_SIM + move.d CONFIG_ETRAX_DEF_R_WAITSTATES, $r0 + move.d $r0, [R_WAITSTATES] + + move.d CONFIG_ETRAX_DEF_R_BUS_CONFIG, $r0 + move.d $r0, [R_BUS_CONFIG] + +#ifndef CONFIG_ETRAX_SDRAM + move.d CONFIG_ETRAX_DEF_R_DRAM_CONFIG, $r0 + move.d $r0, [R_DRAM_CONFIG] + + move.d CONFIG_ETRAX_DEF_R_DRAM_TIMING, $r0 + move.d $r0, [R_DRAM_TIMING] +#else + ;; Samsung SDRAMs seem to require to be initialized twice to work properly. + moveq 2, $r6 +_sdram_init: + + ; Refer to ETRAX 100LX Designers Reference for a description of SDRAM initialization + + ; Bank configuration + move.d CONFIG_ETRAX_DEF_R_SDRAM_CONFIG, $r0 + move.d $r0, [R_SDRAM_CONFIG] + + ; Calculate value of mrs_data + ; CAS latency = 2 && bus_width = 32 => 0x40 + ; CAS latency = 3 && bus_width = 32 => 0x60 + ; CAS latency = 2 && bus_width = 16 => 0x20 + ; CAS latency = 3 && bus_width = 16 => 0x30 + + ; Check if value is already supplied in kernel config + move.d CONFIG_ETRAX_DEF_R_SDRAM_TIMING, $r2 + and.d 0x00ff0000, $r2 + bne _set_timing + lsrq 16, $r2 + + move.d 0x40, $r2 ; Assume 32 bits and CAS latency = 2 + move.d CONFIG_ETRAX_DEF_R_SDRAM_TIMING, $r1 + move.d $r1, $r3 + and.d 0x03, $r1 ; Get CAS latency + and.d 0x1000, $r3 ; 50 or 100 MHz? + beq _speed_50 + nop +_speed_100: + cmp.d 0x00, $r1 ; CAS latency = 2? + beq _bw_check + nop + or.d 0x20, $r2 ; CAS latency = 3 + ba _bw_check + nop +_speed_50: + cmp.d 0x01, $r1 ; CAS latency = 2? + beq _bw_check + nop + or.d 0x20, $r2 ; CAS latency = 3 +_bw_check: + move.d CONFIG_ETRAX_DEF_R_SDRAM_CONFIG, $r1 + and.d 0x800000, $r1 ; DRAM width is bit 23 + bne _set_timing + nop + lsrq 1, $r2 ; 16 bits. Shift down value. + + ; Set timing parameters. Starts master clock +_set_timing: + move.d CONFIG_ETRAX_DEF_R_SDRAM_TIMING, $r1 + and.d 0x8000f9ff, $r1 ; Make sure mrs data and command is 0 + or.d 0x80000000, $r1 ; Make sure sdram enable bit is set + move.d $r1, $r5 + or.d 0x0000c000, $r1 ; ref = disable + lslq 16, $r2 ; mrs data starts at bit 16 + or.d $r2, $r1 + move.d $r1, [R_SDRAM_TIMING] + + ; Wait 200us + move.d 10000, $r2 +1: bne 1b + subq 1, $r2 + + ; Issue initialization command sequence + move.d _sdram_commands_start, $r2 + and.d 0x000fffff, $r2 ; Make sure commands are read from flash + move.d _sdram_commands_end, $r3 + and.d 0x000fffff, $r3 +1: clear.d $r4 + move.b [$r2+], $r4 + lslq 9, $r4 ; Command starts at bit 9 + or.d $r1, $r4 + move.d $r4, [R_SDRAM_TIMING] + nop ; Wait five nop cycles between each command + nop + nop + nop + nop + cmp.d $r2, $r3 + bne 1b + nop + move.d $r5, [R_SDRAM_TIMING] + subq 1, $r6 + bne _sdram_init + nop + ba _sdram_commands_end + nop + +_sdram_commands_start: + .byte 3 ; Precharge + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 1 ; mrs + .byte 0 ; nop +_sdram_commands_end: +#endif +#endif diff -urN linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/dram_init_416.S linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/dram_init_416.S --- linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/dram_init_416.S 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/dram_init_416.S 2007-05-28 20:02:25.000000000 +0200 @@ -0,0 +1,207 @@ +/* $Id: dram_init.S,v 1.5 2006/10/13 12:43:11 starvik Exp $ + * + * DRAM/SDRAM initialization - alter with care + * This file is intended to be included from other assembler files + * + * Note: This file may not modify r9 because r9 is used to carry + * information from the decompresser to the kernel + * + * Copyright (C) 2000, 2001 Axis Communications AB + * + * Authors: Mikael Starvik (starvik@axis.com) + * + * $Log: dram_init.S,v $ + * Revision 1.5 2006/10/13 12:43:11 starvik + * Merge of 2.6.18 + * + * Revision 1.4 2003/09/22 09:21:59 starvik + * Decompresser is linked to 0x407xxxxx and sdram commands are at 0x000xxxxx + * so we need to mask off 12 bits. + * + * Revision 1.3 2003/03/31 09:38:37 starvik + * Corrected calculation of end of sdram init commands + * + * Revision 1.2 2002/11/19 13:33:29 starvik + * Changes from Linux 2.4 + * + * Revision 1.13 2002/10/30 07:42:28 starvik + * Always read SDRAM command sequence from flash + * + * Revision 1.12 2002/08/09 11:37:37 orjanf + * Added double initialization work-around for Samsung SDRAMs. + * + * Revision 1.11 2002/06/04 11:43:21 starvik + * Check if mrs_data is specified in kernelconfig (necessary for MCM) + * + * Revision 1.10 2001/10/04 12:00:21 martinnn + * Added missing underscores. + * + * Revision 1.9 2001/10/01 14:47:35 bjornw + * Added register prefixes and removed underscores + * + * Revision 1.8 2001/05/15 07:12:45 hp + * Copy warning from head.S about r8 and r9 + * + * Revision 1.7 2001/04/18 12:05:39 bjornw + * Fixed comments, and explicitely include config.h to be sure its there + * + * Revision 1.6 2001/04/10 06:20:16 starvik + * Delay should be 200us, not 200ns + * + * Revision 1.5 2001/04/09 06:01:13 starvik + * Added support for 100 MHz SDRAMs + * + * Revision 1.4 2001/03/26 14:24:01 bjornw + * Namechange of some config options + * + * Revision 1.3 2001/03/23 08:29:41 starvik + * Corrected calculation of mrs_data + * + * Revision 1.2 2001/02/08 15:20:00 starvik + * Corrected SDRAM initialization + * Should now be included as inline + * + * Revision 1.1 2001/01/29 13:08:02 starvik + * Initial version + * This file should be included from all assembler files that needs to + * initialize DRAM/SDRAM. + * + */ + +/* Just to be certain the config file is included, we include it here + * explicitely instead of depending on it being included in the file that + * uses this code. + */ + + + ;; WARNING! The registers r8 and r9 are used as parameters carrying + ;; information from the decompressor (if the kernel was compressed). + ;; They should not be used in the code below. + +#ifndef CONFIG_SVINTO_SIM + move.d CONFIG_ETRAX_DEF_R_WAITSTATES, $r0 + move.d $r0, [R_WAITSTATES] + + move.d CONFIG_ETRAX_DEF_R_BUS_CONFIG, $r0 + move.d $r0, [R_BUS_CONFIG] + +#ifndef CONFIG_ETRAX_SDRAM + move.d CONFIG_ETRAX_DEF_R_DRAM_CONFIG, $r0 + move.d $r0, [R_DRAM_CONFIG] + + move.d CONFIG_ETRAX_DEF_R_DRAM_TIMING, $r0 + move.d $r0, [R_DRAM_TIMING] +#else + ;; Samsung SDRAMs seem to require to be initialized twice to work properly. + moveq 2, $r6 +_sdram_init: + + ; Refer to ETRAX 100LX Designers Reference for a description of SDRAM initialization + + ; Bank configuration + move.d 0x09603636, $r0 + move.d $r0, [R_SDRAM_CONFIG] + + ; Calculate value of mrs_data + ; CAS latency = 2 && bus_width = 32 => 0x40 + ; CAS latency = 3 && bus_width = 32 => 0x60 + ; CAS latency = 2 && bus_width = 16 => 0x20 + ; CAS latency = 3 && bus_width = 16 => 0x30 + + ; Check if value is already supplied in kernel config + move.d 0x80008002, $r2 + and.d 0x00ff0000, $r2 + bne _set_timing + lsrq 16, $r2 + + move.d 0x40, $r2 ; Assume 32 bits and CAS latency = 2 + move.d 0x80008002, $r1 + move.d $r1, $r3 + and.d 0x03, $r1 ; Get CAS latency + and.d 0x1000, $r3 ; 50 or 100 MHz? + beq _speed_50 + nop +_speed_100: + cmp.d 0x00, $r1 ; CAS latency = 2? + beq _bw_check + nop + or.d 0x20, $r2 ; CAS latency = 3 + ba _bw_check + nop +_speed_50: + cmp.d 0x01, $r1 ; CAS latency = 2? + beq _bw_check + nop + or.d 0x20, $r2 ; CAS latency = 3 +_bw_check: + move.d 0x09603636, $r1 + and.d 0x800000, $r1 ; DRAM width is bit 23 + bne _set_timing + nop + lsrq 1, $r2 ; 16 bits. Shift down value. + + ; Set timing parameters. Starts master clock +_set_timing: + move.d 0x80008002, $r1 + and.d 0x8000f9ff, $r1 ; Make sure mrs data and command is 0 + or.d 0x80000000, $r1 ; Make sure sdram enable bit is set + move.d $r1, $r5 + or.d 0x0000c000, $r1 ; ref = disable + lslq 16, $r2 ; mrs data starts at bit 16 + or.d $r2, $r1 + move.d $r1, [R_SDRAM_TIMING] + + ; Wait 200us + move.d 10000, $r2 +1: bne 1b + subq 1, $r2 + + ; Issue initialization command sequence + move.d _sdram_commands_start, $r2 + and.d 0x000fffff, $r2 ; Make sure commands are read from flash + move.d _sdram_commands_end, $r3 + and.d 0x000fffff, $r3 +1: clear.d $r4 + move.b [$r2+], $r4 + lslq 9, $r4 ; Command starts at bit 9 + or.d $r1, $r4 + move.d $r4, [R_SDRAM_TIMING] + nop ; Wait five nop cycles between each command + nop + nop + nop + nop + cmp.d $r2, $r3 + bne 1b + nop + move.d $r5, [R_SDRAM_TIMING] + subq 1, $r6 + bne _sdram_init + nop + ba _sdram_commands_end + nop + +_sdram_commands_start: + .byte 3 ; Precharge + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 1 ; mrs + .byte 0 ; nop +_sdram_commands_end: +#endif +#endif diff -urN linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/dram_init_816.S linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/dram_init_816.S --- linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/dram_init_816.S 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/dram_init_816.S 2007-05-28 20:04:05.000000000 +0200 @@ -0,0 +1,207 @@ +/* $Id: dram_init.S,v 1.5 2006/10/13 12:43:11 starvik Exp $ + * + * DRAM/SDRAM initialization - alter with care + * This file is intended to be included from other assembler files + * + * Note: This file may not modify r9 because r9 is used to carry + * information from the decompresser to the kernel + * + * Copyright (C) 2000, 2001 Axis Communications AB + * + * Authors: Mikael Starvik (starvik@axis.com) + * + * $Log: dram_init.S,v $ + * Revision 1.5 2006/10/13 12:43:11 starvik + * Merge of 2.6.18 + * + * Revision 1.4 2003/09/22 09:21:59 starvik + * Decompresser is linked to 0x407xxxxx and sdram commands are at 0x000xxxxx + * so we need to mask off 12 bits. + * + * Revision 1.3 2003/03/31 09:38:37 starvik + * Corrected calculation of end of sdram init commands + * + * Revision 1.2 2002/11/19 13:33:29 starvik + * Changes from Linux 2.4 + * + * Revision 1.13 2002/10/30 07:42:28 starvik + * Always read SDRAM command sequence from flash + * + * Revision 1.12 2002/08/09 11:37:37 orjanf + * Added double initialization work-around for Samsung SDRAMs. + * + * Revision 1.11 2002/06/04 11:43:21 starvik + * Check if mrs_data is specified in kernelconfig (necessary for MCM) + * + * Revision 1.10 2001/10/04 12:00:21 martinnn + * Added missing underscores. + * + * Revision 1.9 2001/10/01 14:47:35 bjornw + * Added register prefixes and removed underscores + * + * Revision 1.8 2001/05/15 07:12:45 hp + * Copy warning from head.S about r8 and r9 + * + * Revision 1.7 2001/04/18 12:05:39 bjornw + * Fixed comments, and explicitely include config.h to be sure its there + * + * Revision 1.6 2001/04/10 06:20:16 starvik + * Delay should be 200us, not 200ns + * + * Revision 1.5 2001/04/09 06:01:13 starvik + * Added support for 100 MHz SDRAMs + * + * Revision 1.4 2001/03/26 14:24:01 bjornw + * Namechange of some config options + * + * Revision 1.3 2001/03/23 08:29:41 starvik + * Corrected calculation of mrs_data + * + * Revision 1.2 2001/02/08 15:20:00 starvik + * Corrected SDRAM initialization + * Should now be included as inline + * + * Revision 1.1 2001/01/29 13:08:02 starvik + * Initial version + * This file should be included from all assembler files that needs to + * initialize DRAM/SDRAM. + * + */ + +/* Just to be certain the config file is included, we include it here + * explicitely instead of depending on it being included in the file that + * uses this code. + */ + + + ;; WARNING! The registers r8 and r9 are used as parameters carrying + ;; information from the decompressor (if the kernel was compressed). + ;; They should not be used in the code below. + +#ifndef CONFIG_SVINTO_SIM + move.d CONFIG_ETRAX_DEF_R_WAITSTATES, $r0 + move.d $r0, [R_WAITSTATES] + + move.d CONFIG_ETRAX_DEF_R_BUS_CONFIG, $r0 + move.d $r0, [R_BUS_CONFIG] + +#ifndef CONFIG_ETRAX_SDRAM + move.d CONFIG_ETRAX_DEF_R_DRAM_CONFIG, $r0 + move.d $r0, [R_DRAM_CONFIG] + + move.d CONFIG_ETRAX_DEF_R_DRAM_TIMING, $r0 + move.d $r0, [R_DRAM_TIMING] +#else + ;; Samsung SDRAMs seem to require to be initialized twice to work properly. + moveq 2, $r6 +_sdram_init: + + ; Refer to ETRAX 100LX Designers Reference for a description of SDRAM initialization + + ; Bank configuration + move.d 0x09603636, $r0 + move.d $r0, [R_SDRAM_CONFIG] + + ; Calculate value of mrs_data + ; CAS latency = 2 && bus_width = 32 => 0x40 + ; CAS latency = 3 && bus_width = 32 => 0x60 + ; CAS latency = 2 && bus_width = 16 => 0x20 + ; CAS latency = 3 && bus_width = 16 => 0x30 + + ; Check if value is already supplied in kernel config + move.d 0x80008002, $r2 + and.d 0x00ff0000, $r2 + bne _set_timing + lsrq 16, $r2 + + move.d 0x40, $r2 ; Assume 32 bits and CAS latency = 2 + move.d 0x80008002, $r1 + move.d $r1, $r3 + and.d 0x03, $r1 ; Get CAS latency + and.d 0x1000, $r3 ; 50 or 100 MHz? + beq _speed_50 + nop +_speed_100: + cmp.d 0x00, $r1 ; CAS latency = 2? + beq _bw_check + nop + or.d 0x20, $r2 ; CAS latency = 3 + ba _bw_check + nop +_speed_50: + cmp.d 0x01, $r1 ; CAS latency = 2? + beq _bw_check + nop + or.d 0x20, $r2 ; CAS latency = 3 +_bw_check: + move.d 0x09603636, $r1 + and.d 0x800000, $r1 ; DRAM width is bit 23 + bne _set_timing + nop + lsrq 1, $r2 ; 16 bits. Shift down value. + + ; Set timing parameters. Starts master clock +_set_timing: + move.d 0x80008002, $r1 + and.d 0x8000f9ff, $r1 ; Make sure mrs data and command is 0 + or.d 0x80000000, $r1 ; Make sure sdram enable bit is set + move.d $r1, $r5 + or.d 0x0000c000, $r1 ; ref = disable + lslq 16, $r2 ; mrs data starts at bit 16 + or.d $r2, $r1 + move.d $r1, [R_SDRAM_TIMING] + + ; Wait 200us + move.d 10000, $r2 +1: bne 1b + subq 1, $r2 + + ; Issue initialization command sequence + move.d _sdram_commands_start, $r2 + and.d 0x000fffff, $r2 ; Make sure commands are read from flash + move.d _sdram_commands_end, $r3 + and.d 0x000fffff, $r3 +1: clear.d $r4 + move.b [$r2+], $r4 + lslq 9, $r4 ; Command starts at bit 9 + or.d $r1, $r4 + move.d $r4, [R_SDRAM_TIMING] + nop ; Wait five nop cycles between each command + nop + nop + nop + nop + cmp.d $r2, $r3 + bne 1b + nop + move.d $r5, [R_SDRAM_TIMING] + subq 1, $r6 + bne _sdram_init + nop + ba _sdram_commands_end + nop + +_sdram_commands_start: + .byte 3 ; Precharge + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 1 ; mrs + .byte 0 ; nop +_sdram_commands_end: +#endif +#endif diff -urN linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/dram_init_832.S linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/dram_init_832.S --- linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/dram_init_832.S 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/dram_init_832.S 2007-05-28 20:04:57.000000000 +0200 @@ -0,0 +1,207 @@ +/* $Id: dram_init.S,v 1.5 2006/10/13 12:43:11 starvik Exp $ + * + * DRAM/SDRAM initialization - alter with care + * This file is intended to be included from other assembler files + * + * Note: This file may not modify r9 because r9 is used to carry + * information from the decompresser to the kernel + * + * Copyright (C) 2000, 2001 Axis Communications AB + * + * Authors: Mikael Starvik (starvik@axis.com) + * + * $Log: dram_init.S,v $ + * Revision 1.5 2006/10/13 12:43:11 starvik + * Merge of 2.6.18 + * + * Revision 1.4 2003/09/22 09:21:59 starvik + * Decompresser is linked to 0x407xxxxx and sdram commands are at 0x000xxxxx + * so we need to mask off 12 bits. + * + * Revision 1.3 2003/03/31 09:38:37 starvik + * Corrected calculation of end of sdram init commands + * + * Revision 1.2 2002/11/19 13:33:29 starvik + * Changes from Linux 2.4 + * + * Revision 1.13 2002/10/30 07:42:28 starvik + * Always read SDRAM command sequence from flash + * + * Revision 1.12 2002/08/09 11:37:37 orjanf + * Added double initialization work-around for Samsung SDRAMs. + * + * Revision 1.11 2002/06/04 11:43:21 starvik + * Check if mrs_data is specified in kernelconfig (necessary for MCM) + * + * Revision 1.10 2001/10/04 12:00:21 martinnn + * Added missing underscores. + * + * Revision 1.9 2001/10/01 14:47:35 bjornw + * Added register prefixes and removed underscores + * + * Revision 1.8 2001/05/15 07:12:45 hp + * Copy warning from head.S about r8 and r9 + * + * Revision 1.7 2001/04/18 12:05:39 bjornw + * Fixed comments, and explicitely include config.h to be sure its there + * + * Revision 1.6 2001/04/10 06:20:16 starvik + * Delay should be 200us, not 200ns + * + * Revision 1.5 2001/04/09 06:01:13 starvik + * Added support for 100 MHz SDRAMs + * + * Revision 1.4 2001/03/26 14:24:01 bjornw + * Namechange of some config options + * + * Revision 1.3 2001/03/23 08:29:41 starvik + * Corrected calculation of mrs_data + * + * Revision 1.2 2001/02/08 15:20:00 starvik + * Corrected SDRAM initialization + * Should now be included as inline + * + * Revision 1.1 2001/01/29 13:08:02 starvik + * Initial version + * This file should be included from all assembler files that needs to + * initialize DRAM/SDRAM. + * + */ + +/* Just to be certain the config file is included, we include it here + * explicitely instead of depending on it being included in the file that + * uses this code. + */ + + + ;; WARNING! The registers r8 and r9 are used as parameters carrying + ;; information from the decompressor (if the kernel was compressed). + ;; They should not be used in the code below. + +#ifndef CONFIG_SVINTO_SIM + move.d CONFIG_ETRAX_DEF_R_WAITSTATES, $r0 + move.d $r0, [R_WAITSTATES] + + move.d CONFIG_ETRAX_DEF_R_BUS_CONFIG, $r0 + move.d $r0, [R_BUS_CONFIG] + +#ifndef CONFIG_ETRAX_SDRAM + move.d CONFIG_ETRAX_DEF_R_DRAM_CONFIG, $r0 + move.d $r0, [R_DRAM_CONFIG] + + move.d CONFIG_ETRAX_DEF_R_DRAM_TIMING, $r0 + move.d $r0, [R_DRAM_TIMING] +#else + ;; Samsung SDRAMs seem to require to be initialized twice to work properly. + moveq 2, $r6 +_sdram_init: + + ; Refer to ETRAX 100LX Designers Reference for a description of SDRAM initialization + + ; Bank configuration + move.d 0x09603737, $r0 + move.d $r0, [R_SDRAM_CONFIG] + + ; Calculate value of mrs_data + ; CAS latency = 2 && bus_width = 32 => 0x40 + ; CAS latency = 3 && bus_width = 32 => 0x60 + ; CAS latency = 2 && bus_width = 16 => 0x20 + ; CAS latency = 3 && bus_width = 16 => 0x30 + + ; Check if value is already supplied in kernel config + move.d 0x80008002, $r2 + and.d 0x00ff0000, $r2 + bne _set_timing + lsrq 16, $r2 + + move.d 0x40, $r2 ; Assume 32 bits and CAS latency = 2 + move.d 0x80008002, $r1 + move.d $r1, $r3 + and.d 0x03, $r1 ; Get CAS latency + and.d 0x1000, $r3 ; 50 or 100 MHz? + beq _speed_50 + nop +_speed_100: + cmp.d 0x00, $r1 ; CAS latency = 2? + beq _bw_check + nop + or.d 0x20, $r2 ; CAS latency = 3 + ba _bw_check + nop +_speed_50: + cmp.d 0x01, $r1 ; CAS latency = 2? + beq _bw_check + nop + or.d 0x20, $r2 ; CAS latency = 3 +_bw_check: + move.d 0x09603737, $r1 + and.d 0x800000, $r1 ; DRAM width is bit 23 + bne _set_timing + nop + lsrq 1, $r2 ; 16 bits. Shift down value. + + ; Set timing parameters. Starts master clock +_set_timing: + move.d 0x80008002, $r1 + and.d 0x8000f9ff, $r1 ; Make sure mrs data and command is 0 + or.d 0x80000000, $r1 ; Make sure sdram enable bit is set + move.d $r1, $r5 + or.d 0x0000c000, $r1 ; ref = disable + lslq 16, $r2 ; mrs data starts at bit 16 + or.d $r2, $r1 + move.d $r1, [R_SDRAM_TIMING] + + ; Wait 200us + move.d 10000, $r2 +1: bne 1b + subq 1, $r2 + + ; Issue initialization command sequence + move.d _sdram_commands_start, $r2 + and.d 0x000fffff, $r2 ; Make sure commands are read from flash + move.d _sdram_commands_end, $r3 + and.d 0x000fffff, $r3 +1: clear.d $r4 + move.b [$r2+], $r4 + lslq 9, $r4 ; Command starts at bit 9 + or.d $r1, $r4 + move.d $r4, [R_SDRAM_TIMING] + nop ; Wait five nop cycles between each command + nop + nop + nop + nop + cmp.d $r2, $r3 + bne 1b + nop + move.d $r5, [R_SDRAM_TIMING] + subq 1, $r6 + bne _sdram_init + nop + ba _sdram_commands_end + nop + +_sdram_commands_start: + .byte 3 ; Precharge + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 1 ; mrs + .byte 0 ; nop +_sdram_commands_end: +#endif +#endif diff -urN linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/dram_init_MCM.S linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/dram_init_MCM.S --- linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/dram_init_MCM.S 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/dram_init_MCM.S 2007-05-28 20:03:13.000000000 +0200 @@ -0,0 +1,207 @@ +/* $Id: dram_init.S,v 1.5 2006/10/13 12:43:11 starvik Exp $ + * + * DRAM/SDRAM initialization - alter with care + * This file is intended to be included from other assembler files + * + * Note: This file may not modify r9 because r9 is used to carry + * information from the decompresser to the kernel + * + * Copyright (C) 2000, 2001 Axis Communications AB + * + * Authors: Mikael Starvik (starvik@axis.com) + * + * $Log: dram_init.S,v $ + * Revision 1.5 2006/10/13 12:43:11 starvik + * Merge of 2.6.18 + * + * Revision 1.4 2003/09/22 09:21:59 starvik + * Decompresser is linked to 0x407xxxxx and sdram commands are at 0x000xxxxx + * so we need to mask off 12 bits. + * + * Revision 1.3 2003/03/31 09:38:37 starvik + * Corrected calculation of end of sdram init commands + * + * Revision 1.2 2002/11/19 13:33:29 starvik + * Changes from Linux 2.4 + * + * Revision 1.13 2002/10/30 07:42:28 starvik + * Always read SDRAM command sequence from flash + * + * Revision 1.12 2002/08/09 11:37:37 orjanf + * Added double initialization work-around for Samsung SDRAMs. + * + * Revision 1.11 2002/06/04 11:43:21 starvik + * Check if mrs_data is specified in kernelconfig (necessary for MCM) + * + * Revision 1.10 2001/10/04 12:00:21 martinnn + * Added missing underscores. + * + * Revision 1.9 2001/10/01 14:47:35 bjornw + * Added register prefixes and removed underscores + * + * Revision 1.8 2001/05/15 07:12:45 hp + * Copy warning from head.S about r8 and r9 + * + * Revision 1.7 2001/04/18 12:05:39 bjornw + * Fixed comments, and explicitely include config.h to be sure its there + * + * Revision 1.6 2001/04/10 06:20:16 starvik + * Delay should be 200us, not 200ns + * + * Revision 1.5 2001/04/09 06:01:13 starvik + * Added support for 100 MHz SDRAMs + * + * Revision 1.4 2001/03/26 14:24:01 bjornw + * Namechange of some config options + * + * Revision 1.3 2001/03/23 08:29:41 starvik + * Corrected calculation of mrs_data + * + * Revision 1.2 2001/02/08 15:20:00 starvik + * Corrected SDRAM initialization + * Should now be included as inline + * + * Revision 1.1 2001/01/29 13:08:02 starvik + * Initial version + * This file should be included from all assembler files that needs to + * initialize DRAM/SDRAM. + * + */ + +/* Just to be certain the config file is included, we include it here + * explicitely instead of depending on it being included in the file that + * uses this code. + */ + + + ;; WARNING! The registers r8 and r9 are used as parameters carrying + ;; information from the decompressor (if the kernel was compressed). + ;; They should not be used in the code below. + +#ifndef CONFIG_SVINTO_SIM + move.d CONFIG_ETRAX_DEF_R_WAITSTATES, $r0 + move.d $r0, [R_WAITSTATES] + + move.d CONFIG_ETRAX_DEF_R_BUS_CONFIG, $r0 + move.d $r0, [R_BUS_CONFIG] + +#ifndef CONFIG_ETRAX_SDRAM + move.d CONFIG_ETRAX_DEF_R_DRAM_CONFIG, $r0 + move.d $r0, [R_DRAM_CONFIG] + + move.d CONFIG_ETRAX_DEF_R_DRAM_TIMING, $r0 + move.d $r0, [R_DRAM_TIMING] +#else + ;; Samsung SDRAMs seem to require to be initialized twice to work properly. + moveq 2, $r6 +_sdram_init: + + ; Refer to ETRAX 100LX Designers Reference for a description of SDRAM initialization + + ; Bank configuration + move.d 0x09603636, $r0 + move.d $r0, [R_SDRAM_CONFIG] + + ; Calculate value of mrs_data + ; CAS latency = 2 && bus_width = 32 => 0x40 + ; CAS latency = 3 && bus_width = 32 => 0x60 + ; CAS latency = 2 && bus_width = 16 => 0x20 + ; CAS latency = 3 && bus_width = 16 => 0x30 + + ; Check if value is already supplied in kernel config + move.d 0x80608002, $r2 + and.d 0x00ff0000, $r2 + bne _set_timing + lsrq 16, $r2 + + move.d 0x40, $r2 ; Assume 32 bits and CAS latency = 2 + move.d 0x80608002, $r1 + move.d $r1, $r3 + and.d 0x03, $r1 ; Get CAS latency + and.d 0x1000, $r3 ; 50 or 100 MHz? + beq _speed_50 + nop +_speed_100: + cmp.d 0x00, $r1 ; CAS latency = 2? + beq _bw_check + nop + or.d 0x20, $r2 ; CAS latency = 3 + ba _bw_check + nop +_speed_50: + cmp.d 0x01, $r1 ; CAS latency = 2? + beq _bw_check + nop + or.d 0x20, $r2 ; CAS latency = 3 +_bw_check: + move.d 0x09603636, $r1 + and.d 0x800000, $r1 ; DRAM width is bit 23 + bne _set_timing + nop + lsrq 1, $r2 ; 16 bits. Shift down value. + + ; Set timing parameters. Starts master clock +_set_timing: + move.d 0x80608002, $r1 + and.d 0x8000f9ff, $r1 ; Make sure mrs data and command is 0 + or.d 0x80000000, $r1 ; Make sure sdram enable bit is set + move.d $r1, $r5 + or.d 0x0000c000, $r1 ; ref = disable + lslq 16, $r2 ; mrs data starts at bit 16 + or.d $r2, $r1 + move.d $r1, [R_SDRAM_TIMING] + + ; Wait 200us + move.d 10000, $r2 +1: bne 1b + subq 1, $r2 + + ; Issue initialization command sequence + move.d _sdram_commands_start, $r2 + and.d 0x000fffff, $r2 ; Make sure commands are read from flash + move.d _sdram_commands_end, $r3 + and.d 0x000fffff, $r3 +1: clear.d $r4 + move.b [$r2+], $r4 + lslq 9, $r4 ; Command starts at bit 9 + or.d $r1, $r4 + move.d $r4, [R_SDRAM_TIMING] + nop ; Wait five nop cycles between each command + nop + nop + nop + nop + cmp.d $r2, $r3 + bne 1b + nop + move.d $r5, [R_SDRAM_TIMING] + subq 1, $r6 + bne _sdram_init + nop + ba _sdram_commands_end + nop + +_sdram_commands_start: + .byte 3 ; Precharge + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 2 ; refresh + .byte 0 ; nop + .byte 1 ; mrs + .byte 0 ; nop +_sdram_commands_end: +#endif +#endif diff -urN linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/head_416.S linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/head_416.S --- linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/head_416.S 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/head_416.S 2007-05-28 17:16:28.000000000 +0200 @@ -0,0 +1,126 @@ +/* + * arch/cris/boot/compressed/head.S + * + * Copyright (C) 1999, 2001 Axis Communications AB + * + * Code that sets up the DRAM registers, calls the + * decompressor to unpack the piggybacked kernel, and jumps. + * + */ + +#define ASSEMBLER_MACROS_ONLY +#include + +#define RAM_INIT_MAGIC 0x56902387 +#define COMMAND_LINE_MAGIC 0x87109563 + + ;; Exported symbols + + .globl _input_data + + + .text + + nop + di + +;; We need to initialze DRAM registers before we start using the DRAM + + cmp.d RAM_INIT_MAGIC, r8 ; Already initialized? + beq dram_init_finished + nop + +#include "dram_init_416.S" + +dram_init_finished: + + ;; Initiate the PA and PB ports + + move.b CONFIG_ETRAX_DEF_R_PORT_PA_DATA, r0 + move.b r0, [R_PORT_PA_DATA] + + move.b CONFIG_ETRAX_DEF_R_PORT_PA_DIR, r0 + move.b r0, [R_PORT_PA_DIR] + + move.b CONFIG_ETRAX_DEF_R_PORT_PB_DATA, r0 + move.b r0, [R_PORT_PB_DATA] + + move.b CONFIG_ETRAX_DEF_R_PORT_PB_DIR, r0 + move.b r0, [R_PORT_PB_DIR] + + ;; 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 + + ;; Figure out where the compressed piggyback image is + ;; in the flash (since we wont try to copy it to DRAM + ;; before unpacking). It is at _edata, but in flash. + ;; Use (_edata - basse) as offset to the current PC. + +basse: move.d pc, r5 + and.d 0x7fffffff, r5 ; strip any non-cache bit + subq 2, r5 ; compensate for the move.d pc instr + move.d r5, r0 ; save for later - flash address of 'basse' + add.d _edata, r5 + sub.d basse, r5 ; r5 = flash address of '_edata' + + ;; Copy text+data to DRAM + + move.d basse, r1 ; destination + move.d _edata, r2 ; end destination +1: move.w [r0+], r3 + move.w r3, [r1+] + cmp.d r2, r1 + bcs 1b + nop + + move.d r5, [_input_data] ; for the decompressor + + + ;; Clear the decompressors BSS (between _edata and _end) + + moveq 0, r0 + move.d _edata, r1 + move.d _end, r2 +1: move.w r0, [r1+] + cmp.d r2, r1 + bcs 1b + nop + + ;; Save command line magic and address. + move.d _cmd_line_magic, $r12 + move.d $r10, [$r12] + move.d _cmd_line_addr, $r12 + move.d $r11, [$r12] + + ;; Do the decompression and save compressed size in _inptr + + jsr _decompress_kernel + + ;; Put start address of root partition in r9 so the kernel can use it + ;; when mounting from flash + + move.d [_input_data], r9 ; flash address of compressed kernel + add.d [_inptr], r9 ; size of compressed kernel + + ;; Restore command line magic and address. + move.d _cmd_line_magic, $r10 + move.d [$r10], $r10 + move.d _cmd_line_addr, $r11 + move.d [$r11], $r11 + + ;; Enter the decompressed kernel + move.d RAM_INIT_MAGIC, r8 ; Tell kernel that DRAM is initialized + jump 0x40004000 ; kernel is linked to this address + + .data + +_input_data: + .dword 0 ; used by the decompressor +_cmd_line_magic: + .dword 0 +_cmd_line_addr: + .dword 0 +#include "hw_settings_416.S" diff -urN linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/head_816.S linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/head_816.S --- linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/head_816.S 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/head_816.S 2007-05-28 17:16:58.000000000 +0200 @@ -0,0 +1,126 @@ +/* + * arch/cris/boot/compressed/head.S + * + * Copyright (C) 1999, 2001 Axis Communications AB + * + * Code that sets up the DRAM registers, calls the + * decompressor to unpack the piggybacked kernel, and jumps. + * + */ + +#define ASSEMBLER_MACROS_ONLY +#include + +#define RAM_INIT_MAGIC 0x56902387 +#define COMMAND_LINE_MAGIC 0x87109563 + + ;; Exported symbols + + .globl _input_data + + + .text + + nop + di + +;; We need to initialze DRAM registers before we start using the DRAM + + cmp.d RAM_INIT_MAGIC, r8 ; Already initialized? + beq dram_init_finished + nop + +#include "dram_init_816.S" + +dram_init_finished: + + ;; Initiate the PA and PB ports + + move.b CONFIG_ETRAX_DEF_R_PORT_PA_DATA, r0 + move.b r0, [R_PORT_PA_DATA] + + move.b CONFIG_ETRAX_DEF_R_PORT_PA_DIR, r0 + move.b r0, [R_PORT_PA_DIR] + + move.b CONFIG_ETRAX_DEF_R_PORT_PB_DATA, r0 + move.b r0, [R_PORT_PB_DATA] + + move.b CONFIG_ETRAX_DEF_R_PORT_PB_DIR, r0 + move.b r0, [R_PORT_PB_DIR] + + ;; 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 + + ;; Figure out where the compressed piggyback image is + ;; in the flash (since we wont try to copy it to DRAM + ;; before unpacking). It is at _edata, but in flash. + ;; Use (_edata - basse) as offset to the current PC. + +basse: move.d pc, r5 + and.d 0x7fffffff, r5 ; strip any non-cache bit + subq 2, r5 ; compensate for the move.d pc instr + move.d r5, r0 ; save for later - flash address of 'basse' + add.d _edata, r5 + sub.d basse, r5 ; r5 = flash address of '_edata' + + ;; Copy text+data to DRAM + + move.d basse, r1 ; destination + move.d _edata, r2 ; end destination +1: move.w [r0+], r3 + move.w r3, [r1+] + cmp.d r2, r1 + bcs 1b + nop + + move.d r5, [_input_data] ; for the decompressor + + + ;; Clear the decompressors BSS (between _edata and _end) + + moveq 0, r0 + move.d _edata, r1 + move.d _end, r2 +1: move.w r0, [r1+] + cmp.d r2, r1 + bcs 1b + nop + + ;; Save command line magic and address. + move.d _cmd_line_magic, $r12 + move.d $r10, [$r12] + move.d _cmd_line_addr, $r12 + move.d $r11, [$r12] + + ;; Do the decompression and save compressed size in _inptr + + jsr _decompress_kernel + + ;; Put start address of root partition in r9 so the kernel can use it + ;; when mounting from flash + + move.d [_input_data], r9 ; flash address of compressed kernel + add.d [_inptr], r9 ; size of compressed kernel + + ;; Restore command line magic and address. + move.d _cmd_line_magic, $r10 + move.d [$r10], $r10 + move.d _cmd_line_addr, $r11 + move.d [$r11], $r11 + + ;; Enter the decompressed kernel + move.d RAM_INIT_MAGIC, r8 ; Tell kernel that DRAM is initialized + jump 0x40004000 ; kernel is linked to this address + + .data + +_input_data: + .dword 0 ; used by the decompressor +_cmd_line_magic: + .dword 0 +_cmd_line_addr: + .dword 0 +#include "hw_settings_816.S" diff -urN linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/head_832.S linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/head_832.S --- linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/head_832.S 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/head_832.S 2007-05-28 17:17:12.000000000 +0200 @@ -0,0 +1,126 @@ +/* + * arch/cris/boot/compressed/head.S + * + * Copyright (C) 1999, 2001 Axis Communications AB + * + * Code that sets up the DRAM registers, calls the + * decompressor to unpack the piggybacked kernel, and jumps. + * + */ + +#define ASSEMBLER_MACROS_ONLY +#include + +#define RAM_INIT_MAGIC 0x56902387 +#define COMMAND_LINE_MAGIC 0x87109563 + + ;; Exported symbols + + .globl _input_data + + + .text + + nop + di + +;; We need to initialze DRAM registers before we start using the DRAM + + cmp.d RAM_INIT_MAGIC, r8 ; Already initialized? + beq dram_init_finished + nop + +#include "dram_init_832.S" + +dram_init_finished: + + ;; Initiate the PA and PB ports + + move.b CONFIG_ETRAX_DEF_R_PORT_PA_DATA, r0 + move.b r0, [R_PORT_PA_DATA] + + move.b CONFIG_ETRAX_DEF_R_PORT_PA_DIR, r0 + move.b r0, [R_PORT_PA_DIR] + + move.b CONFIG_ETRAX_DEF_R_PORT_PB_DATA, r0 + move.b r0, [R_PORT_PB_DATA] + + move.b CONFIG_ETRAX_DEF_R_PORT_PB_DIR, r0 + move.b r0, [R_PORT_PB_DIR] + + ;; 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 + + ;; Figure out where the compressed piggyback image is + ;; in the flash (since we wont try to copy it to DRAM + ;; before unpacking). It is at _edata, but in flash. + ;; Use (_edata - basse) as offset to the current PC. + +basse: move.d pc, r5 + and.d 0x7fffffff, r5 ; strip any non-cache bit + subq 2, r5 ; compensate for the move.d pc instr + move.d r5, r0 ; save for later - flash address of 'basse' + add.d _edata, r5 + sub.d basse, r5 ; r5 = flash address of '_edata' + + ;; Copy text+data to DRAM + + move.d basse, r1 ; destination + move.d _edata, r2 ; end destination +1: move.w [r0+], r3 + move.w r3, [r1+] + cmp.d r2, r1 + bcs 1b + nop + + move.d r5, [_input_data] ; for the decompressor + + + ;; Clear the decompressors BSS (between _edata and _end) + + moveq 0, r0 + move.d _edata, r1 + move.d _end, r2 +1: move.w r0, [r1+] + cmp.d r2, r1 + bcs 1b + nop + + ;; Save command line magic and address. + move.d _cmd_line_magic, $r12 + move.d $r10, [$r12] + move.d _cmd_line_addr, $r12 + move.d $r11, [$r12] + + ;; Do the decompression and save compressed size in _inptr + + jsr _decompress_kernel + + ;; Put start address of root partition in r9 so the kernel can use it + ;; when mounting from flash + + move.d [_input_data], r9 ; flash address of compressed kernel + add.d [_inptr], r9 ; size of compressed kernel + + ;; Restore command line magic and address. + move.d _cmd_line_magic, $r10 + move.d [$r10], $r10 + move.d _cmd_line_addr, $r11 + move.d [$r11], $r11 + + ;; Enter the decompressed kernel + move.d RAM_INIT_MAGIC, r8 ; Tell kernel that DRAM is initialized + jump 0x40004000 ; kernel is linked to this address + + .data + +_input_data: + .dword 0 ; used by the decompressor +_cmd_line_magic: + .dword 0 +_cmd_line_addr: + .dword 0 +#include "hw_settings_832.S" diff -urN linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/head_MCM.S linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/head_MCM.S --- linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/head_MCM.S 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/head_MCM.S 2007-05-28 17:17:51.000000000 +0200 @@ -0,0 +1,126 @@ +/* + * arch/cris/boot/compressed/head.S + * + * Copyright (C) 1999, 2001 Axis Communications AB + * + * Code that sets up the DRAM registers, calls the + * decompressor to unpack the piggybacked kernel, and jumps. + * + */ + +#define ASSEMBLER_MACROS_ONLY +#include + +#define RAM_INIT_MAGIC 0x56902387 +#define COMMAND_LINE_MAGIC 0x87109563 + + ;; Exported symbols + + .globl _input_data + + + .text + + nop + di + +;; We need to initialze DRAM registers before we start using the DRAM + + cmp.d RAM_INIT_MAGIC, r8 ; Already initialized? + beq dram_init_finished + nop + +#include "dram_init_MCM.S" + +dram_init_finished: + + ;; Initiate the PA and PB ports + + move.b CONFIG_ETRAX_DEF_R_PORT_PA_DATA, r0 + move.b r0, [R_PORT_PA_DATA] + + move.b CONFIG_ETRAX_DEF_R_PORT_PA_DIR, r0 + move.b r0, [R_PORT_PA_DIR] + + move.b CONFIG_ETRAX_DEF_R_PORT_PB_DATA, r0 + move.b r0, [R_PORT_PB_DATA] + + move.b CONFIG_ETRAX_DEF_R_PORT_PB_DIR, r0 + move.b r0, [R_PORT_PB_DIR] + + ;; 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 + + ;; Figure out where the compressed piggyback image is + ;; in the flash (since we wont try to copy it to DRAM + ;; before unpacking). It is at _edata, but in flash. + ;; Use (_edata - basse) as offset to the current PC. + +basse: move.d pc, r5 + and.d 0x7fffffff, r5 ; strip any non-cache bit + subq 2, r5 ; compensate for the move.d pc instr + move.d r5, r0 ; save for later - flash address of 'basse' + add.d _edata, r5 + sub.d basse, r5 ; r5 = flash address of '_edata' + + ;; Copy text+data to DRAM + + move.d basse, r1 ; destination + move.d _edata, r2 ; end destination +1: move.w [r0+], r3 + move.w r3, [r1+] + cmp.d r2, r1 + bcs 1b + nop + + move.d r5, [_input_data] ; for the decompressor + + + ;; Clear the decompressors BSS (between _edata and _end) + + moveq 0, r0 + move.d _edata, r1 + move.d _end, r2 +1: move.w r0, [r1+] + cmp.d r2, r1 + bcs 1b + nop + + ;; Save command line magic and address. + move.d _cmd_line_magic, $r12 + move.d $r10, [$r12] + move.d _cmd_line_addr, $r12 + move.d $r11, [$r12] + + ;; Do the decompression and save compressed size in _inptr + + jsr _decompress_kernel + + ;; Put start address of root partition in r9 so the kernel can use it + ;; when mounting from flash + + move.d [_input_data], r9 ; flash address of compressed kernel + add.d [_inptr], r9 ; size of compressed kernel + + ;; Restore command line magic and address. + move.d _cmd_line_magic, $r10 + move.d [$r10], $r10 + move.d _cmd_line_addr, $r11 + move.d [$r11], $r11 + + ;; Enter the decompressed kernel + move.d RAM_INIT_MAGIC, r8 ; Tell kernel that DRAM is initialized + jump 0x40004000 ; kernel is linked to this address + + .data + +_input_data: + .dword 0 ; used by the decompressor +_cmd_line_magic: + .dword 0 +_cmd_line_addr: + .dword 0 +#include "hw_settings_MCM.S" diff -urN linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/hw_settings.S linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/hw_settings.S --- linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/hw_settings.S 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/hw_settings.S 2007-05-28 17:14:14.000000000 +0200 @@ -0,0 +1,62 @@ +/* + * $Id: hw_settings.S,v 1.1 2001/12/17 13:59:27 bjornw Exp $ + * + * This table is used by some tools to extract hardware parameters. + * The table should be included in the kernel and the decompressor. + * Don't forget to update the tools if you change this table. + * + * Copyright (C) 2001 Axis Communications AB + * + * Authors: Mikael Starvik (starvik@axis.com) + */ + +#define PA_SET_VALUE ((CONFIG_ETRAX_DEF_R_PORT_PA_DIR << 8) | \ + (CONFIG_ETRAX_DEF_R_PORT_PA_DATA)) +#define PB_SET_VALUE ((CONFIG_ETRAX_DEF_R_PORT_PB_CONFIG << 16) | \ + (CONFIG_ETRAX_DEF_R_PORT_PB_DIR << 8) | \ + (CONFIG_ETRAX_DEF_R_PORT_PB_DATA)) + + .ascii "HW_PARAM_MAGIC" ; Magic number + .dword 0xc0004000 ; Kernel start address + + ; Debug port +#ifdef CONFIG_ETRAX_DEBUG_PORT0 + .dword 0 +#elif defined(CONFIG_ETRAX_DEBUG_PORT1) + .dword 1 +#elif defined(CONFIG_ETRAX_DEBUG_PORT2) + .dword 2 +#elif defined(CONFIG_ETRAX_DEBUG_PORT3) + .dword 3 +#else + .dword 4 ; No debug +#endif + + ; SDRAM or EDO DRAM? +#ifdef CONFIG_ETRAX_SDRAM + .dword 1 +#else + .dword 0 +#endif + + ; Register values + .dword R_WAITSTATES + .dword CONFIG_ETRAX_DEF_R_WAITSTATES + .dword R_BUS_CONFIG + .dword CONFIG_ETRAX_DEF_R_BUS_CONFIG +#ifdef CONFIG_ETRAX_SDRAM + .dword R_SDRAM_CONFIG + .dword CONFIG_ETRAX_DEF_R_SDRAM_CONFIG + .dword R_SDRAM_TIMING + .dword CONFIG_ETRAX_DEF_R_SDRAM_TIMING +#else + .dword R_DRAM_CONFIG + .dword CONFIG_ETRAX_DEF_R_DRAM_CONFIG + .dword R_DRAM_TIMING + .dword CONFIG_ETRAX_DEF_R_DRAM_TIMING +#endif + .dword R_PORT_PA_SET + .dword PA_SET_VALUE + .dword R_PORT_PB_SET + .dword PB_SET_VALUE + .dword 0 ; No more register values diff -urN linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/hw_settings_416.S linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/hw_settings_416.S --- linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/hw_settings_416.S 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/hw_settings_416.S 2007-05-28 20:12:02.000000000 +0200 @@ -0,0 +1,62 @@ +/* + * $Id: hw_settings.S,v 1.1 2001/12/17 13:59:27 bjornw Exp $ + * + * This table is used by some tools to extract hardware parameters. + * The table should be included in the kernel and the decompressor. + * Don't forget to update the tools if you change this table. + * + * Copyright (C) 2001 Axis Communications AB + * + * Authors: Mikael Starvik (starvik@axis.com) + */ + +#define PA_SET_VALUE ((CONFIG_ETRAX_DEF_R_PORT_PA_DIR << 8) | \ + (CONFIG_ETRAX_DEF_R_PORT_PA_DATA)) +#define PB_SET_VALUE ((CONFIG_ETRAX_DEF_R_PORT_PB_CONFIG << 16) | \ + (CONFIG_ETRAX_DEF_R_PORT_PB_DIR << 8) | \ + (CONFIG_ETRAX_DEF_R_PORT_PB_DATA)) + + .ascii "HW_PARAM_MAGIC" ; Magic number + .dword 0xc0004000 ; Kernel start address + + ; Debug port +#ifdef CONFIG_ETRAX_DEBUG_PORT0 + .dword 0 +#elif defined(CONFIG_ETRAX_DEBUG_PORT1) + .dword 1 +#elif defined(CONFIG_ETRAX_DEBUG_PORT2) + .dword 2 +#elif defined(CONFIG_ETRAX_DEBUG_PORT3) + .dword 3 +#else + .dword 4 ; No debug +#endif + + ; SDRAM or EDO DRAM? +#ifdef CONFIG_ETRAX_SDRAM + .dword 1 +#else + .dword 0 +#endif + + ; Register values + .dword R_WAITSTATES + .dword CONFIG_ETRAX_DEF_R_WAITSTATES + .dword R_BUS_CONFIG + .dword CONFIG_ETRAX_DEF_R_BUS_CONFIG +#ifdef CONFIG_ETRAX_SDRAM + .dword R_SDRAM_CONFIG + .dword 0x09603636 + .dword R_SDRAM_TIMING + .dword 0x80008002 +#else + .dword R_DRAM_CONFIG + .dword CONFIG_ETRAX_DEF_R_DRAM_CONFIG + .dword R_DRAM_TIMING + .dword CONFIG_ETRAX_DEF_R_DRAM_TIMING +#endif + .dword R_PORT_PA_SET + .dword PA_SET_VALUE + .dword R_PORT_PB_SET + .dword PB_SET_VALUE + .dword 0 ; No more register values diff -urN linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/hw_settings_816.S linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/hw_settings_816.S --- linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/hw_settings_816.S 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/hw_settings_816.S 2007-05-28 20:12:29.000000000 +0200 @@ -0,0 +1,62 @@ +/* + * $Id: hw_settings.S,v 1.1 2001/12/17 13:59:27 bjornw Exp $ + * + * This table is used by some tools to extract hardware parameters. + * The table should be included in the kernel and the decompressor. + * Don't forget to update the tools if you change this table. + * + * Copyright (C) 2001 Axis Communications AB + * + * Authors: Mikael Starvik (starvik@axis.com) + */ + +#define PA_SET_VALUE ((CONFIG_ETRAX_DEF_R_PORT_PA_DIR << 8) | \ + (CONFIG_ETRAX_DEF_R_PORT_PA_DATA)) +#define PB_SET_VALUE ((CONFIG_ETRAX_DEF_R_PORT_PB_CONFIG << 16) | \ + (CONFIG_ETRAX_DEF_R_PORT_PB_DIR << 8) | \ + (CONFIG_ETRAX_DEF_R_PORT_PB_DATA)) + + .ascii "HW_PARAM_MAGIC" ; Magic number + .dword 0xc0004000 ; Kernel start address + + ; Debug port +#ifdef CONFIG_ETRAX_DEBUG_PORT0 + .dword 0 +#elif defined(CONFIG_ETRAX_DEBUG_PORT1) + .dword 1 +#elif defined(CONFIG_ETRAX_DEBUG_PORT2) + .dword 2 +#elif defined(CONFIG_ETRAX_DEBUG_PORT3) + .dword 3 +#else + .dword 4 ; No debug +#endif + + ; SDRAM or EDO DRAM? +#ifdef CONFIG_ETRAX_SDRAM + .dword 1 +#else + .dword 0 +#endif + + ; Register values + .dword R_WAITSTATES + .dword CONFIG_ETRAX_DEF_R_WAITSTATES + .dword R_BUS_CONFIG + .dword CONFIG_ETRAX_DEF_R_BUS_CONFIG +#ifdef CONFIG_ETRAX_SDRAM + .dword R_SDRAM_CONFIG + .dword 0x09603636 + .dword R_SDRAM_TIMING + .dword 0x80008002 +#else + .dword R_DRAM_CONFIG + .dword CONFIG_ETRAX_DEF_R_DRAM_CONFIG + .dword R_DRAM_TIMING + .dword CONFIG_ETRAX_DEF_R_DRAM_TIMING +#endif + .dword R_PORT_PA_SET + .dword PA_SET_VALUE + .dword R_PORT_PB_SET + .dword PB_SET_VALUE + .dword 0 ; No more register values diff -urN linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/hw_settings_832.S linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/hw_settings_832.S --- linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/hw_settings_832.S 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/hw_settings_832.S 2007-05-28 20:12:55.000000000 +0200 @@ -0,0 +1,62 @@ +/* + * $Id: hw_settings.S,v 1.1 2001/12/17 13:59:27 bjornw Exp $ + * + * This table is used by some tools to extract hardware parameters. + * The table should be included in the kernel and the decompressor. + * Don't forget to update the tools if you change this table. + * + * Copyright (C) 2001 Axis Communications AB + * + * Authors: Mikael Starvik (starvik@axis.com) + */ + +#define PA_SET_VALUE ((CONFIG_ETRAX_DEF_R_PORT_PA_DIR << 8) | \ + (CONFIG_ETRAX_DEF_R_PORT_PA_DATA)) +#define PB_SET_VALUE ((CONFIG_ETRAX_DEF_R_PORT_PB_CONFIG << 16) | \ + (CONFIG_ETRAX_DEF_R_PORT_PB_DIR << 8) | \ + (CONFIG_ETRAX_DEF_R_PORT_PB_DATA)) + + .ascii "HW_PARAM_MAGIC" ; Magic number + .dword 0xc0004000 ; Kernel start address + + ; Debug port +#ifdef CONFIG_ETRAX_DEBUG_PORT0 + .dword 0 +#elif defined(CONFIG_ETRAX_DEBUG_PORT1) + .dword 1 +#elif defined(CONFIG_ETRAX_DEBUG_PORT2) + .dword 2 +#elif defined(CONFIG_ETRAX_DEBUG_PORT3) + .dword 3 +#else + .dword 4 ; No debug +#endif + + ; SDRAM or EDO DRAM? +#ifdef CONFIG_ETRAX_SDRAM + .dword 1 +#else + .dword 0 +#endif + + ; Register values + .dword R_WAITSTATES + .dword CONFIG_ETRAX_DEF_R_WAITSTATES + .dword R_BUS_CONFIG + .dword CONFIG_ETRAX_DEF_R_BUS_CONFIG +#ifdef CONFIG_ETRAX_SDRAM + .dword R_SDRAM_CONFIG + .dword CONFIG_ETRAX_DEF_R_SDRAM_CONFIG + .dword R_SDRAM_TIMING + .dword CONFIG_ETRAX_DEF_R_SDRAM_TIMING +#else + .dword R_DRAM_CONFIG + .dword 0x09603737 + .dword R_DRAM_TIMING + .dword 0x80008002 +#endif + .dword R_PORT_PA_SET + .dword PA_SET_VALUE + .dword R_PORT_PB_SET + .dword PB_SET_VALUE + .dword 0 ; No more register values diff -urN linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/hw_settings_MCM.S linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/hw_settings_MCM.S --- linux-2.6.19.2.orig/arch/cris/arch-v10/boot/compressed/hw_settings_MCM.S 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.19.2/arch/cris/arch-v10/boot/compressed/hw_settings_MCM.S 2007-05-28 20:11:31.000000000 +0200 @@ -0,0 +1,62 @@ +/* + * $Id: hw_settings.S,v 1.1 2001/12/17 13:59:27 bjornw Exp $ + * + * This table is used by some tools to extract hardware parameters. + * The table should be included in the kernel and the decompressor. + * Don't forget to update the tools if you change this table. + * + * Copyright (C) 2001 Axis Communications AB + * + * Authors: Mikael Starvik (starvik@axis.com) + */ + +#define PA_SET_VALUE ((CONFIG_ETRAX_DEF_R_PORT_PA_DIR << 8) | \ + (CONFIG_ETRAX_DEF_R_PORT_PA_DATA)) +#define PB_SET_VALUE ((CONFIG_ETRAX_DEF_R_PORT_PB_CONFIG << 16) | \ + (CONFIG_ETRAX_DEF_R_PORT_PB_DIR << 8) | \ + (CONFIG_ETRAX_DEF_R_PORT_PB_DATA)) + + .ascii "HW_PARAM_MAGIC" ; Magic number + .dword 0xc0004000 ; Kernel start address + + ; Debug port +#ifdef CONFIG_ETRAX_DEBUG_PORT0 + .dword 0 +#elif defined(CONFIG_ETRAX_DEBUG_PORT1) + .dword 1 +#elif defined(CONFIG_ETRAX_DEBUG_PORT2) + .dword 2 +#elif defined(CONFIG_ETRAX_DEBUG_PORT3) + .dword 3 +#else + .dword 4 ; No debug +#endif + + ; SDRAM or EDO DRAM? +#ifdef CONFIG_ETRAX_SDRAM + .dword 1 +#else + .dword 0 +#endif + + ; Register values + .dword R_WAITSTATES + .dword CONFIG_ETRAX_DEF_R_WAITSTATES + .dword R_BUS_CONFIG + .dword CONFIG_ETRAX_DEF_R_BUS_CONFIG +#ifdef CONFIG_ETRAX_SDRAM + .dword R_SDRAM_CONFIG + .dword 0x09603636 + .dword R_SDRAM_TIMING + .dword 0x80608002 +#else + .dword R_DRAM_CONFIG + .dword CONFIG_ETRAX_DEF_R_DRAM_CONFIG + .dword R_DRAM_TIMING + .dword CONFIG_ETRAX_DEF_R_DRAM_TIMING +#endif + .dword R_PORT_PA_SET + .dword PA_SET_VALUE + .dword R_PORT_PB_SET + .dword PB_SET_VALUE + .dword 0 ; No more register values