67 lines
		
	
	
	
		
			1.7 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			67 lines
		
	
	
	
		
			1.7 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /*
 | ||
|  |  * 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; | ||
|  | } |