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From: Sergei Shtylylov <sshtylyov@ru.mvista.com>
To: Linux MIPS Development <linux-mips@linux-mips.org>
Cc: Manish Lachwani <mlachwani@mvista.com>
Subject: Re: Misc. AMD DBAu1550 fixes
Date: Sun, 23 Oct 2005 00:23:14 +0400	[thread overview]
Message-ID: <435A9FB2.3070303@ru.mvista.com> (raw)
In-Reply-To: <4357F774.9010208@ru.mvista.com>

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Hello, I wrote:

>     Here's a couple of DBAu1550 fixes: the first one fixes BCSR accesses in
> the board setup/reset code (the registers are actually 16-bit, and their
> addresses are different between DBAu1550 and other DBAu1xx0 boards), the

    Here's an updated BCSR patch. Stupid typo. :-/

> second one just selects the proper machine type for DBAu1550.

   It was somewhat incomplete, more #ifdef's are needed to set the proper 
machine types for DB1100/DB1500...

> ------------------------------------------------------------------------
> 
> Index: linux/arch/mips/au1000/db1x00/board_setup.c
> ===================================================================
> --- linux.orig/arch/mips/au1000/db1x00/board_setup.c
> +++ linux/arch/mips/au1000/db1x00/board_setup.c
> @@ -45,13 +45,12 @@
>  #include <asm/mach-au1x00/au1000.h>
>  #include <asm/mach-db1x00/db1x00.h>
>  
> -/* not correct for db1550 */
> -static BCSR * const bcsr = (BCSR *)0xAE000000;
> +static BCSR * const bcsr = (BCSR *)BCSR_KSEG1_ADDR;
>  
>  void board_reset (void)
>  {
>  	/* Hit BCSR.SYSTEM_CONTROL[SW_RST] */
> -	au_writel(0x00000000, 0xAE00001C);
> +	bcsr->swreset = 0x0000);

   My bad. Really don't know how this paren got there. :-/

WBR, Sergei

[-- Attachment #2: db1550-bcsr-fix.patch --]
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Index: linux/arch/mips/au1000/db1x00/board_setup.c
===================================================================
--- linux.orig/arch/mips/au1000/db1x00/board_setup.c
+++ linux/arch/mips/au1000/db1x00/board_setup.c
@@ -45,13 +45,12 @@
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/mach-db1x00/db1x00.h>
 
-/* not correct for db1550 */
-static BCSR * const bcsr = (BCSR *)0xAE000000;
+static BCSR * const bcsr = (BCSR *)BCSR_KSEG1_ADDR;
 
 void board_reset (void)
 {
 	/* Hit BCSR.SYSTEM_CONTROL[SW_RST] */
-	au_writel(0x00000000, 0xAE00001C);
+	bcsr->swreset = 0x0000;
 }
 
 void __init board_setup(void)
@@ -75,7 +75,7 @@ void __init board_setup(void)
 	bcsr->resets |= BCSR_RESETS_IRDA_MODE_OFF;
 	au_sync();
 #endif
-	au_writel(0, 0xAE000010); /* turn off pcmcia power */
+	bcsr->pcmcia = 0x0000; /* turn off PCMCIA power */
 
 #ifdef CONFIG_MIPS_MIRAGE
 	/* enable GPIO[31:0] inputs */

  reply	other threads:[~2005-10-22 20:21 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-10-20 20:00 Misc. AMD DBAu1550 fixes Sergei Shtylylov
2005-10-22 20:23 ` Sergei Shtylylov [this message]
2005-10-31 21:06   ` [PATCH] Set proper machine type for DB1xx0 boards Sergei Shtylylov

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