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			66 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			66 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
| From a4d005c91d403d9f3d0272db6cc46202c06ec774 Mon Sep 17 00:00:00 2001
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| From: Axel Gembe <ago@bastart.eu.org>
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| Date: Mon, 12 May 2008 18:54:09 +0200
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| Subject: [PATCH] bcm963xx: flashmap support
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| 
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| Signed-off-by: Axel Gembe <ago@bastart.eu.org>
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| ---
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|  arch/mips/bcm63xx/boards/board_bcm963xx.c |   19 +----------------
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|  drivers/mtd/maps/bcm963xx-flash.c         |   32 ++++++++++++++++++++++++----
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|  drivers/mtd/redboot.c                     |   13 +++++++++--
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|  3 files changed, 38 insertions(+), 26 deletions(-)
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| 
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| --- a/arch/mips/bcm63xx/dev-flash.c
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| +++ b/arch/mips/bcm63xx/dev-flash.c
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| @@ -30,7 +30,7 @@ static struct mtd_partition mtd_partitio
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|  	}
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|  };
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|  
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| -static const char *bcm63xx_part_types[] = { "bcm63xxpart", NULL };
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| +static const char *bcm63xx_part_types[] = { "bcm63xxpart", "RedBoot", NULL };
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|  
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|  static struct physmap_flash_data flash_data = {
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|  	.width			= 2,
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| --- a/drivers/mtd/redboot.c
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| +++ b/drivers/mtd/redboot.c
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| @@ -72,6 +72,7 @@ static int parse_redboot_partitions(stru
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|  	int nulllen = 0;
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|  	int numslots;
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|  	unsigned long offset;
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| +	unsigned long fis_origin = 0;
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|  #ifdef CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED
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|  	static char nullstring[] = "unallocated";
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|  #endif
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| @@ -176,6 +177,16 @@ static int parse_redboot_partitions(stru
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|  		goto out;
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|  	}
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|  
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| +	if (data && data->origin) {
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| +		fis_origin = data->origin;
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| +	} else {
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| +		for (i = 0; i < numslots; i++) {
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| +			if (!strncmp(buf[i].name, "RedBoot", 8)) {
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| +				fis_origin = (buf[i].flash_base & (master->size << 1) - 1);
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| +			}
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| +		}
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| +	}
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| +
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|  	for (i = 0; i < numslots; i++) {
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|  		struct fis_list *new_fl, **prev;
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|  
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| @@ -196,10 +207,10 @@ static int parse_redboot_partitions(stru
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|  			goto out;
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|  		}
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|  		new_fl->img = &buf[i];
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| -		if (data && data->origin)
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| -			buf[i].flash_base -= data->origin;
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| -		else
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| -			buf[i].flash_base &= master->size-1;
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| +		if (fis_origin)
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| +			buf[i].flash_base -= fis_origin;
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| +
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| +		buf[i].flash_base &= (master->size << 1) - 1;
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|  
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|  		/* I'm sure the JFFS2 code has done me permanent damage.
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|  		 * I now think the following is _normal_
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