From: "Mark A. Greer" <mgreer@mvista.com>
To: akpm <akpm@osdl.org>
Cc: Nathaniel Case <ncase@xes-inc.com>,
Embedded PPC Linux list <linuxppc-embedded@ozlabs.org>
Subject: [PATCH][PPC32] Fix mv64x60 register relocation bug in bootwrapper
Date: Tue, 08 Feb 2005 13:59:33 -0700 [thread overview]
Message-ID: <42092835.1040701@mvista.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 308 bytes --]
The gt64260 looks at the highest 20 bits while the mv64[34]60 looks at
only the highest 16 bits when determining the base address for the
bridge's registers. This patch adds support for both.
Please apply.
Signed-off-by: Nate Case <ncase@xes-inc.com>
Signed-off-by: Mark A. Greer <mgreer@mvista.com>
--
[-- Attachment #2: misc-mv64x60.patch --]
[-- Type: text/plain, Size: 499 bytes --]
diff -Nru a/arch/ppc/boot/simple/misc-mv64x60.S b/arch/ppc/boot/simple/misc-mv64x60.S
--- a/arch/ppc/boot/simple/misc-mv64x60.S 2005-02-08 13:55:06 -07:00
+++ b/arch/ppc/boot/simple/misc-mv64x60.S 2005-02-08 13:55:06 -07:00
@@ -32,7 +32,11 @@
#if (CONFIG_MV64X60_NEW_BASE != CONFIG_MV64X60_BASE)
move_base:
li r20,0
+#ifdef CONFIG_GT64260
li r23,20
+#else /* Must be mv64[34]60 which uses top 16 bits */
+ li r23,16
+#endif
/* Relocate bridge's regs */
addis r25,0,CONFIG_MV64X60_BASE@h
reply other threads:[~2005-02-08 20:59 UTC|newest]
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