Re: [PATCH 2.5.70] NatSemi Geode out-of-order store enables

Hiroshi Miura (miura@da-cha.org)
Fri, 06 Jun 2003 06:54:59 +0900


Hello,

At Thu, 5 Jun 2003 10:06:34 -0400 (EDT),
Alan Cox wrote:
>
> > Most geode specific code already merged, but it need
> > a definition of CONFIG_OOSTORE to speedup geode.
>
> The OOSTORE shouldnt be needed according to the natsemi info,
> you can just drop the ifdef

Thanks.

This patch does it. And remove CONFIG_NOHIGHMEM because
Geode supports MEM up to 512MB from GX1 datasheet.

Please apply it.

/usr/src$ diff -u linux-2.5.70/arch/i386/kernel/cpu/cyrix.c.keep linux-2.5.70/arch/i386/kernel/cpu/cyrix.c
--- linux-2.5.70/arch/i386/kernel/cpu/cyrix.c.keep 2003-06-06 06:41:09.000000000 +0900
+++ linux-2.5.70/arch/i386/kernel/cpu/cyrix.c 2003-06-06 06:41:23.000000000 +0900
@@ -109,7 +109,6 @@

static void __init set_cx86_reorder(void)
{
-#ifdef CONFIG_OOSTORE
u8 ccr3;

printk(KERN_INFO "Enable Memory access reorder on Cyrix/NSC processor.\n");
@@ -118,12 +117,9 @@

/* Load/Store Serialize to mem access disable (=reorder it) */
setCx86(CX86_PCR0, getCx86(CX86_PCR0) & ~0x80);
-#ifdef CONFIG_NOHIGHMEM
/* set load/store serialize from 1GB to 4GB */
ccr3 |= 0xe0;
-#endif
setCx86(CX86_CCR3, ccr3);
-#endif
}

static void __init set_cx86_memwb(void)


-- 
Hiroshi Miura  --- http://www.da-cha.org/ 
NTTDATA Corp. Marketing & Business Strategy Planning Dept. --- miurahr@nttdata.co.jp 
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-- My hacking life is happy as the day is long

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