Commit 7858f747 authored by Kumar Gala's avatar Kumar Gala
Browse files

[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: default avatarKumar Gala <galak@kernel.crashing.org>
parent b3bea15d

arch/powerpc/boot/Makefile

+4 −1
Original line number Diff line number Diff line
@@ -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

arch/powerpc/boot/cuboot-85xx-cpm2.c

0 → 100644
+66 −0
Original line number Diff line number Diff line 
/*

 * 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;

}