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* [PATCH] powerpc/32s: Remove m8260_gorom()
@ 2021-05-06  9:10 Christophe Leroy
  2021-06-06 12:08 ` Michael Ellerman
  0 siblings, 1 reply; 2+ messages in thread
From: Christophe Leroy @ 2021-05-06  9:10 UTC (permalink / raw)
  To: Benjamin Herrenschmidt, Paul Mackerras, Michael Ellerman
  Cc: linux-kernel, linuxppc-dev

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


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] powerpc/32s: Remove m8260_gorom()
  2021-05-06  9:10 [PATCH] powerpc/32s: Remove m8260_gorom() Christophe Leroy
@ 2021-06-06 12:08 ` Michael Ellerman
  0 siblings, 0 replies; 2+ messages in thread
From: Michael Ellerman @ 2021-06-06 12:08 UTC (permalink / raw)
  To: Benjamin Herrenschmidt, Michael Ellerman, Christophe Leroy,
	Paul Mackerras
  Cc: linuxppc-dev, linux-kernel

On Thu, 6 May 2021 09:10:01 +0000 (UTC), Christophe Leroy wrote:
> 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/
> 
> [...]

Applied to powerpc/next.

[1/1] powerpc/32s: Remove m8260_gorom()
      https://git.kernel.org/powerpc/c/3a5988b884a33cb3e4ab427b08a020ce32f3b3ba

cheers

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2021-06-06 12:08 ` Michael Ellerman

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