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Re: Building the kernel for a Broadcom SB1

To: "Jonathan Day" <>
Subject: Re: Building the kernel for a Broadcom SB1
From: "Mark Mason" <>
Date: Thu, 15 Sep 2005 14:52:36 -0700
In-reply-to: <>
Original-recipient: rfc822;
References: <>
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Jonathan Day wrote:


I'm having a few issues building the current
2.6.14-rc1 for a Broadcom SB1 MIPS64 processor. (No
huge surprise there, building anything for that
processor is a pain.)

Anyway, there are a few symbols undefined, which is
causing problems. First off the bat is TO_PHYS_MASK.
There is no set of definitions in
include/asm-mips/addrspace.h for the SB1 processor.
(For that matter, there's no set of definitions for
the MIPS64_R2, so I'm guessing those using _R2 chips
probably have the same problem.)
Here's the patch for that particular problem. There's also a few other patches for the SB1 floating around (check the email archives), but there appears to be a backlog with getting them committed to the CVS repository.


Index: include/asm-mips/addrspace.h
RCS file: /home/cvs/linux/include/asm-mips/addrspace.h,v
retrieving revision 1.18
diff -u -p -r1.18 addrspace.h
--- include/asm-mips/addrspace.h    14 Jul 2005 12:05:08 -0000    1.18
+++ include/asm-mips/addrspace.h    15 Sep 2005 21:46:56 -0000
@@ -131,6 +131,8 @@
    || defined (CONFIG_CPU_R5000)                    \
    || defined (CONFIG_CPU_NEVADA)                    \
    || defined (CONFIG_CPU_TX49XX)                    \
+    || defined (CONFIG_CPU_SB1)                        \
+    || defined (CONFIG_CPU_SB1A)                    \
    || defined (CONFIG_CPU_MIPS64_R1)
#define KUSIZE        _LLCONST_(0x0000010000000000)    /* 2^^40 */
#define KUSIZE_64    _LLCONST_(0x0000010000000000)    /* 2^^40 */

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