[U-Boot] [PATCH] SPEAr: Add ARM relocation support

Amit Virdi amit.virdi at st.com
Fri Feb 17 05:06:27 CET 2012


On 2/17/2012 1:13 AM, Marek Vasut wrote:
>> Signed-off-by: Amit Virdi<amit.virdi at st.com>
>
> Uh, are you sure the Subject correlates with the patch ?
>
> M
>

Yeah. The fix is a part of the Relocation feature. For relocation, it is 
essential that dram_init stores RAM size and do nothing more i.e. no 
access to bss etc.

~Amit Virdi

>> ---
>>   board/spear/common/spr_misc.c |   20 +-------------------
>>   1 files changed, 1 insertions(+), 19 deletions(-)
>>
>> diff --git a/board/spear/common/spr_misc.c b/board/spear/common/spr_misc.c
>> index 0812c20..3ab278f 100644
>> --- a/board/spear/common/spr_misc.c
>> +++ b/board/spear/common/spr_misc.c
>> @@ -40,27 +40,9 @@ static struct chip_data chip_data;
>>
>>   int dram_init(void)
>>   {
>> -	struct xloader_table *xloader_tb =
>> -	    (struct xloader_table *)XLOADER_TABLE_ADDRESS;
>> -	struct xloader_table_1_1 *table_1_1;
>> -	struct xloader_table_1_2 *table_1_2;
>> -	struct chip_data *chip =&chip_data;
>> -
>> +	/* Store complete RAM size and return */
>>   	gd->ram_size = get_ram_size(PHYS_SDRAM_1, PHYS_SDRAM_1_MAXSIZE);
>>
>> -	if (XLOADER_TABLE_VERSION_1_1 == xloader_tb->table_version) {
>> -		table_1_1 =&xloader_tb->table.table_1_1;
>> -		chip->dramfreq = table_1_1->ddrfreq;
>> -		chip->dramtype = table_1_1->ddrtype;
>> -
>> -	} else if (XLOADER_TABLE_VERSION_1_2 == xloader_tb->table_version) {
>> -		table_1_2 =&xloader_tb->table.table_1_2;
>> -		chip->dramfreq = table_1_2->ddrfreq;
>> -		chip->dramtype = table_1_2->ddrtype;
>> -	} else {
>> -		chip->dramfreq = -1;
>> -	}
>> -
>>   	return 0;
>>   }
> .
>


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