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

Marek Vasut marek.vasut at gmail.com
Fri Feb 17 09:58:19 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.

Then name it "fix dram size reporting?". Also, you don't need dram_init at all 
if you only call get_dram_size() if I recall correctly, check 
arch/arm/lib/board.c, I might be mistaken. And maybe explain why you removed all 
the code in the changelog, it's not clear at all.

Thanks!

> 
> ~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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