On Tue, Aug 14, 2007 at 10:53:55PM +0400, Valentine Barshak wrote: > Bootwrapper code for AMCC 440EPx Sequoia board. > The DDR2 Denali controller support has been moved to > arch/powerpc/boot/4xx.c > The code also uses 440EP clocking fixups > initially provided for 440EP Bamboo. > > Signed-off-by: Valentine Barshak <[EMAIL PROTECTED]>
[snip] > diff -ruN linux-2.6.orig/arch/powerpc/boot/cuboot-sequoia.c > linux-2.6/arch/powerpc/boot/cuboot-sequoia.c > --- linux-2.6.orig/arch/powerpc/boot/cuboot-sequoia.c 1970-01-01 > 03:00:00.000000000 +0300 > +++ linux-2.6/arch/powerpc/boot/cuboot-sequoia.c 2007-08-14 > 17:25:37.000000000 +0400 > @@ -0,0 +1,31 @@ > +/* > + * Old U-boot compatibility for Sequoia > + * > + * Based on Ebony code by David Gibson <[EMAIL PROTECTED]> > + * > + * Copyright 2007 David Gibson, IBM Corporatio. > + * Based on cuboot-83xx.c, which is: > + * Copyright (c) 2007 Freescale Semiconductor, Inc. > + * > + * This program is free software; you can redistribute it and/or modify it > + * under the terms of the GNU General Public License version 2 as published > + * by the Free Software Foundation. > + */ > + > +#include "ops.h" > +#include "stdio.h" > +#include "44x.h" > +#include "cuboot.h" > + > +#define TARGET_4xx > +#define TARGET_44x Surely you need to be more specific than that to select the correct bd_t structure? > +#include "ppcboot.h" > + > +static bd_t bd; > + > +void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, > + unsigned long r6, unsigned long r7) > +{ > + CUBOOT_INIT(); > + sequoia_init(&bd.bi_enetaddr, &bd.bi_enet1addr); > +} > diff -ruN linux-2.6.orig/arch/powerpc/boot/Makefile > linux-2.6/arch/powerpc/boot/Makefile > --- linux-2.6.orig/arch/powerpc/boot/Makefile 2007-08-14 17:11:16.000000000 > +0400 > +++ linux-2.6/arch/powerpc/boot/Makefile 2007-08-14 17:25:38.000000000 > +0400 > @@ -44,10 +44,11 @@ > src-wlib := string.S crt0.S stdio.c main.c flatdevtree.c flatdevtree_misc.c \ > ns16550.c serial.c simple_alloc.c div64.S util.S \ > gunzip_util.c elf_util.c $(zlib) devtree.c oflib.c ofconsole.c \ > - 4xx.c ebony.c mv64x60.c mpsc.c mv64x60_i2c.c cuboot.c bamboo.c > + 4xx.c ebony.c mv64x60.c mpsc.c mv64x60_i2c.c cuboot.c bamboo.c \ > + sequoia.c > src-plat := of.c cuboot-83xx.c cuboot-85xx.c holly.c \ > cuboot-ebony.c treeboot-ebony.c prpmc2800.c \ > - ps3-head.S ps3-hvcall.S ps3.c treeboot-bamboo.c > + ps3-head.S ps3-hvcall.S ps3.c treeboot-bamboo.c cuboot-sequoia.c > src-boot := $(src-wlib) $(src-plat) empty.c > > src-boot := $(addprefix $(obj)/, $(src-boot)) > @@ -143,6 +144,7 @@ > image-$(CONFIG_PPC_85xx) += cuImage.85xx > image-$(CONFIG_EBONY) += treeImage.ebony cuImage.ebony > image-$(CONFIG_BAMBOO) += treeImage.bamboo > +image-$(CONFIG_SEQUOIA) += cuImage.sequoia > endif > > # For 32-bit powermacs, build the COFF and miboot images > diff -ruN linux-2.6.orig/arch/powerpc/boot/sequoia.c > linux-2.6/arch/powerpc/boot/sequoia.c > --- linux-2.6.orig/arch/powerpc/boot/sequoia.c 1970-01-01 > 03:00:00.000000000 +0300 > +++ linux-2.6/arch/powerpc/boot/sequoia.c 2007-08-14 20:52:10.000000000 > +0400 Unless another bootloader is expected to come along for Sequoia, there's no reason to separate sequoia.c from cuboot-sequoia.c > @@ -0,0 +1,48 @@ > +/*;5A > + * Valentine Barshak <[EMAIL PROTECTED]> > + * Copyright 2007 MontaVista Software, Inc > + * > + * Based on Bamboo code by Josh Boyer <[EMAIL PROTECTED]> > + * Copyright IBM Corporation, 2007 > + * > + * 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; version 2 of the License > + */ > +#include <stdarg.h> > +#include <stddef.h> > +#include "types.h" > +#include "elf.h" > +#include "string.h" > +#include "stdio.h" > +#include "page.h" > +#include "ops.h" > +#include "dcr.h" > +#include "4xx.h" > +#include "44x.h" > + > +extern char _dtb_start[]; > +extern char _dtb_end[]; > + > +static u8 *sequoia_mac0, *sequoia_mac1; > + > + > +static void sequoia_fixups(void) > +{ > + unsigned long sysclk = 33333333; > + > + ibm440ep_fixup_clocks(sysclk, 11059200); > + ibm4xx_fixup_ebc_ranges("/plb/opb/ebc"); > + ibm4xx_denali_fixup_memsize(); > + dt_fixup_mac_addresses(sequoia_mac0, sequoia_mac1); > +} > + > +void sequoia_init(void *mac0, void *mac1) > +{ > + platform_ops.fixups = sequoia_fixups; > + platform_ops.exit = ibm44x_dbcr_reset; > + sequoia_mac0 = mac0; > + sequoia_mac1 = mac1; > + ft_init(_dtb_start, 0, 32); > + serial_console_init(); > +} > _______________________________________________ > Linuxppc-dev mailing list > Linuxppc-dev@ozlabs.org > https://ozlabs.org/mailman/listinfo/linuxppc-dev > -- David Gibson | I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_ | _way_ _around_! http://www.ozlabs.org/~dgibson _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev