From: Christophe Leroy <christophe.leroy@csgroup.eu>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
Michael Ellerman <mpe@ellerman.id.au>
Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
Subject: [PATCH] powerpc/32s: Remove m8260_gorom()
Date: Thu, 6 May 2021 09:10:01 +0000 (UTC) [thread overview]
Message-ID: <13f7532f21df3196e8c78b4f82a9c8d5487aca35.1620292185.git.christophe.leroy@csgroup.eu> (raw)
Last user of m8260_gorom() was removed by
Commit 917f0af9e5a9 ("powerpc: Remove arch/ppc and include/asm-ppc")
removed last user of m8260_gorom().
In fact m8260_gorom() was ported to arch/powerpc/ but the
platform using it died with arch/ppc/
Remove it.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
---
arch/powerpc/kernel/head_book3s_32.S | 36 ----------------------------
1 file changed, 36 deletions(-)
diff --git a/arch/powerpc/kernel/head_book3s_32.S b/arch/powerpc/kernel/head_book3s_32.S
index c1d2f0d1d6b2..74296708b35e 100644
--- a/arch/powerpc/kernel/head_book3s_32.S
+++ b/arch/powerpc/kernel/head_book3s_32.S
@@ -1204,42 +1204,6 @@ setup_usbgecko_bat:
blr
#endif
-#ifdef CONFIG_8260
-/* Jump into the system reset for the rom.
- * We first disable the MMU, and then jump to the ROM reset address.
- *
- * r3 is the board info structure, r4 is the location for starting.
- * I use this for building a small kernel that can load other kernels,
- * rather than trying to write or rely on a rom monitor that can tftp load.
- */
- .globl m8260_gorom
-m8260_gorom:
- mfmsr r0
- rlwinm r0,r0,0,17,15 /* clear MSR_EE in r0 */
- sync
- mtmsr r0
- sync
- mfspr r11, SPRN_HID0
- lis r10, 0
- ori r10,r10,HID0_ICE|HID0_DCE
- andc r11, r11, r10
- mtspr SPRN_HID0, r11
- isync
- li r5, MSR_ME|MSR_RI
- lis r6,2f@h
- addis r6,r6,-KERNELBASE@h
- ori r6,r6,2f@l
- mtspr SPRN_SRR0,r6
- mtspr SPRN_SRR1,r5
- isync
- sync
- rfi
-2:
- mtlr r4
- blr
-#endif
-
-
/*
* We put a few things here that have to be page-aligned.
* This stuff goes at the beginning of the data segment,
--
2.25.0
next reply other threads:[~2021-05-06 9:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-06 9:10 Christophe Leroy [this message]
2021-06-06 12:08 ` [PATCH] powerpc/32s: Remove m8260_gorom() Michael Ellerman
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