[mirror_ubuntu-artful-kernel.git] / arch / powerpc / boot / cuboot-83xx.c

/*
 * Old U-boot compatibility for 83xx
 *
 * 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_83xx
#include "ppcboot.h"

static bd_t bd;

static void platform_fixups(void)
{
	void *soc;

	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_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, 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.
	 */
	soc = find_node_by_devtype(NULL, "soc");
	if (soc) {
		void *serial = NULL;

		setprop(soc, "bus-frequency", &bd.bi_busfreq,
		        sizeof(bd.bi_busfreq));

		while ((serial = find_node_by_devtype(serial, "serial"))) {
			if (get_parent(serial) != soc)
				continue;

			setprop(serial, "clock-frequency", &bd.bi_busfreq,
			        sizeof(bd.bi_busfreq));
		}
	}
}

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;
}
Commit	Line	Data
5cc5133a SW	1	/*
	2	* Old U-boot compatibility for 83xx
	3	*
	4	* Author: Scott Wood <scottwood@freescale.com>
	5	*
	6	* Copyright (c) 2007 Freescale Semiconductor, Inc.
	7	*
	8	* This program is free software; you can redistribute it and/or modify it
	9	* under the terms of the GNU General Public License version 2 as published
	10	* by the Free Software Foundation.
	11	*/
	12
	13	#include "ops.h"
	14	#include "stdio.h"
85aecac8	15	#include "cuboot.h"
5cc5133a SW	16
	17	#define TARGET_83xx
	18	#include "ppcboot.h"
	19
	20	static bd_t bd;
5cc5133a SW	21
	22	static void platform_fixups(void)
	23	{
	24	void *soc;
	25
	26	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
3e6f4394 KG	27	dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
3e6f4394 KG	28	dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
5cc5133a SW	29	dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq);
	30
	31	/* Unfortunately, the specific model number is encoded in the
	32	* soc node name in existing dts files -- once that is fixed,
	33	* this can do a simple path lookup.
	34	*/
	35	soc = find_node_by_devtype(NULL, "soc");
	36	if (soc) {
	37	void *serial = NULL;
	38
	39	setprop(soc, "bus-frequency", &bd.bi_busfreq,
	40	sizeof(bd.bi_busfreq));
	41
	42	while ((serial = find_node_by_devtype(serial, "serial"))) {
	43	if (get_parent(serial) != soc)
	44	continue;
	45
	46	setprop(serial, "clock-frequency", &bd.bi_busfreq,
	47	sizeof(bd.bi_busfreq));
	48	}
	49	}
	50	}
	51
	52	void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
	53	unsigned long r6, unsigned long r7)
	54	{
85aecac8	55	CUBOOT_INIT();
2f0dfeaa	56	fdt_init(_dtb_start);
5cc5133a SW	57	serial_console_init();
	58	platform_ops.fixups = platform_fixups;
	59	}