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[POWERPC] Add a cuboot wrapper for 85xx with CPM2 

The bd info struct changes if we have CPM2 enabled in u-boot.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Kumar Gala 2008-01-24 16:04:58 -06:00
parent b3bea15d29
commit 7858f7477e
2 changed files with 70 additions and 1 deletions
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5
arch/powerpc/boot/Makefile
View File

@ -63,7 +63,7 @@ src-plat := of.c cuboot-52xx.c cuboot-824x.c cuboot-83xx.c cuboot-85xx.c holly.c
cuboot-pq2.c cuboot-sequoia.c treeboot-walnut.c cuboot-bamboo.c \
fixed-head.S ep88xc.c cuboot-hpc2.c ep405.c cuboot-taishan.c \
cuboot-katmai.c cuboot-rainier.c redboot-8xx.c ep8248e.c \
cuboot-warp.c
cuboot-warp.c cuboot-85xx-cpm2.c
src-boot := $(src-wlib) $(src-plat) empty.c
src-boot := $(addprefix $(obj)/, $(src-boot))
@ -201,6 +201,9 @@ image-$(CONFIG_PPC_MPC52xx) += cuImage.52xx
image-$(CONFIG_STORCENTER) += cuImage.824x
image-$(CONFIG_PPC_83xx) += cuImage.83xx
image-$(CONFIG_PPC_85xx) += cuImage.85xx
ifeq ($(CONFIG_CPM2),y)
image-$(CONFIG_PPC_85xx) += cuImage.85xx-cpm2
endif
image-$(CONFIG_MPC7448HPC2) += cuImage.hpc2
image-$(CONFIG_EBONY) += treeImage.ebony cuImage.ebony
image-$(CONFIG_BAMBOO) += treeImage.bamboo cuImage.bamboo

66
arch/powerpc/boot/cuboot-85xx-cpm2.c Normal file
View File

@ -0,0 +1,66 @@
/*
* Old U-boot compatibility for 85xx
*
* Author: Scott Wood <scottwood@freescale.com>
*
* 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 "cuboot.h"
#define TARGET_85xx
#define TARGET_CPM2
#include "ppcboot.h"
static bd_t bd;
static void platform_fixups(void)
{
void *devp;
dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
dt_fixup_mac_address_by_alias("ethernet2", bd.bi_enet2addr);
dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 8, bd.bi_busfreq);
/* Unfortunately, the specific model number is encoded in the
* soc node name in existing dts files -- once that is fixed,
* this can do a simple path lookup.
*/
devp = find_node_by_devtype(NULL, "soc");
if (devp) {
void *serial = NULL;
setprop(devp, "bus-frequency", &bd.bi_busfreq,
sizeof(bd.bi_busfreq));
while ((serial = find_node_by_devtype(serial, "serial"))) {
if (get_parent(serial) != devp)
continue;
setprop(serial, "clock-frequency", &bd.bi_busfreq,
sizeof(bd.bi_busfreq));
}
}
devp = find_node_by_compatible(NULL, "fsl,cpm2-brg");
if (devp)
setprop(devp, "clock-frequency", &bd.bi_brgfreq,
sizeof(bd.bi_brgfreq));
}
void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
unsigned long r6, unsigned long r7)
{
CUBOOT_INIT();
fdt_init(_dtb_start);
serial_console_init();
platform_ops.fixups = platform_fixups;
}