56 lines
		
	
	
	
		
			1.2 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			56 lines
		
	
	
	
		
			1.2 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /*
 | ||
|  |  * Embedded Planet EP8248E with PlanetCore firmware | ||
|  |  * | ||
|  |  * 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 "planetcore.h"
 | ||
|  | #include "pq2.h"
 | ||
|  | 
 | ||
|  | static char *table; | ||
|  | static u64 mem_size; | ||
|  | 
 | ||
|  | #include <io.h>
 | ||
|  | 
 | ||
|  | static void platform_fixups(void) | ||
|  | { | ||
|  | 	u64 val; | ||
|  | 
 | ||
|  | 	dt_fixup_memory(0, mem_size); | ||
|  | 	planetcore_set_mac_addrs(table); | ||
|  | 
 | ||
|  | 	if (!planetcore_get_decimal(table, PLANETCORE_KEY_CRYSTAL_HZ, &val)) { | ||
|  | 		printf("No PlanetCore crystal frequency key.\r\n"); | ||
|  | 		return; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	pq2_fixup_clocks(val); | ||
|  | } | ||
|  | 
 | ||
|  | void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, | ||
|  |                    unsigned long r6, unsigned long r7) | ||
|  | { | ||
|  | 	table = (char *)r3; | ||
|  | 	planetcore_prepare_table(table); | ||
|  | 
 | ||
|  | 	if (!planetcore_get_decimal(table, PLANETCORE_KEY_MB_RAM, &mem_size)) | ||
|  | 		return; | ||
|  | 
 | ||
|  | 	mem_size *= 1024 * 1024; | ||
|  | 	simple_alloc_init(_end, mem_size - (unsigned long)_end, 32, 64); | ||
|  | 
 | ||
|  | 	fdt_init(_dtb_start); | ||
|  | 
 | ||
|  | 	planetcore_set_stdout_path(table); | ||
|  | 	serial_console_init(); | ||
|  | 	platform_ops.fixups = platform_fixups; | ||
|  | } |