[linux-2.6-block.git] / arch / powerpc / boot / cuboot-83xx.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Old U-boot compatibility for 83xx
 *
 * Author: Scott Wood <scottwood@freescale.com>
 *
 * Copyright (c) 2007 Freescale Semiconductor, Inc.
 */

#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
d2912cb1	1	// SPDX-License-Identifier: GPL-2.0-only
5cc5133a SW	2	/*
	3	* Old U-boot compatibility for 83xx
	4	*
	5	* Author: Scott Wood <scottwood@freescale.com>
	6	*
	7	* Copyright (c) 2007 Freescale Semiconductor, Inc.
5cc5133a SW	8	*/
	9
	10	#include "ops.h"
	11	#include "stdio.h"
85aecac8	12	#include "cuboot.h"
5cc5133a SW	13
	14	#define TARGET_83xx
	15	#include "ppcboot.h"
	16
	17	static bd_t bd;
5cc5133a SW	18
	19	static void platform_fixups(void)
	20	{
	21	void *soc;
	22
	23	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
3e6f4394 KG	24	dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
3e6f4394 KG	25	dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
5cc5133a SW	26	dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq);
	27
	28	/* Unfortunately, the specific model number is encoded in the
	29	* soc node name in existing dts files -- once that is fixed,
	30	* this can do a simple path lookup.
	31	*/
	32	soc = find_node_by_devtype(NULL, "soc");
	33	if (soc) {
	34	void *serial = NULL;
	35
	36	setprop(soc, "bus-frequency", &bd.bi_busfreq,
	37	sizeof(bd.bi_busfreq));
	38
	39	while ((serial = find_node_by_devtype(serial, "serial"))) {
	40	if (get_parent(serial) != soc)
	41	continue;
	42
	43	setprop(serial, "clock-frequency", &bd.bi_busfreq,
	44	sizeof(bd.bi_busfreq));
	45	}
	46	}
	47	}
	48
	49	void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
	50	unsigned long r6, unsigned long r7)
	51	{
85aecac8	52	CUBOOT_INIT();
2f0dfeaa	53	fdt_init(_dtb_start);
5cc5133a SW	54	serial_console_init();
	55	platform_ops.fixups = platform_fixups;
	56	}