From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A75D3C2BA19 for ; Tue, 14 Apr 2020 08:30:36 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 56D6D206D5 for ; Tue, 14 Apr 2020 08:30:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=c-s.fr header.i=@c-s.fr header.b="s0amyLnl" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 56D6D206D5 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=c-s.fr Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 491dwS1QhvzDqVF for ; Tue, 14 Apr 2020 18:30:32 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=c-s.fr (client-ip=93.17.236.30; helo=pegase1.c-s.fr; envelope-from=christophe.leroy@c-s.fr; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=c-s.fr Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=c-s.fr header.i=@c-s.fr header.a=rsa-sha256 header.s=mail header.b=s0amyLnl; dkim-atps=neutral Received: from pegase1.c-s.fr (pegase1.c-s.fr [93.17.236.30]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 491dgc4vBvzDqd1 for ; Tue, 14 Apr 2020 18:19:23 +1000 (AEST) Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 491dgS2JJKz9tydL; Tue, 14 Apr 2020 10:19:16 +0200 (CEST) Authentication-Results: localhost; dkim=pass reason="1024-bit key; insecure key" header.d=c-s.fr header.i=@c-s.fr header.b=s0amyLnl; dkim-adsp=pass; dkim-atps=neutral X-Virus-Scanned: Debian amavisd-new at c-s.fr Received: from pegase1.c-s.fr ([192.168.12.234]) by localhost (pegase1.c-s.fr [192.168.12.234]) (amavisd-new, port 10024) with ESMTP id PaihnKQY4NHJ; Tue, 14 Apr 2020 10:19:16 +0200 (CEST) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase1.c-s.fr (Postfix) with ESMTP id 491dgS16YHz9tycJ; Tue, 14 Apr 2020 10:19:16 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=c-s.fr; s=mail; t=1586852356; bh=GMrCjNEWVR8Y/FEQ5WhfC37NQuAEPumqmo0nYt9WLpE=; h=From:Subject:To:Cc:Date:From; b=s0amyLnlMQABR6KuiAkBN7Qvv+oMmu29N90RlNa8Z1iCTlRwt5fd0+MuTmhctVZph 2xrDDnh63ZbKTyycUBgYDWhPpBY1TsKG4IDgRDID/C+FSjSC/SeTvMezp9ikZrqTJL It/r7wCgKWouoC5CUeJnZohgCfm1G74rinLWBaU4= Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 2952F8B797; Tue, 14 Apr 2020 10:19:17 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id rizMjqV5zcdu; Tue, 14 Apr 2020 10:19:17 +0200 (CEST) Received: from localhost.localdomain (unknown [192.168.4.90]) by messagerie.si.c-s.fr (Postfix) with ESMTP id BABCA8B796; Tue, 14 Apr 2020 10:19:16 +0200 (CEST) Received: by localhost.localdomain (Postfix, from userid 0) id 77D936578A; Tue, 14 Apr 2020 08:19:16 +0000 (UTC) Message-Id: From: Christophe Leroy Subject: [PATCH v3 00/13] Modernise powerpc 40x To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , michal.simek@xilinx.com, arnd@arndb.de Date: Tue, 14 Apr 2020 08:19:16 +0000 (UTC) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" v1 and v2 of this series were aiming at removing 40x entirely, but it led to protests. v3 is trying to start modernising powerpc 40x: - Rework TLB miss handlers to not use PTE_ATOMIC_UPDATES and _PAGE_HWWRITE - Remove old versions of 40x processors, namely 403 and 405GP and associated errata. - Last two patches are trivial changes in TLB miss handlers to reduce number of scratch registers. I would have liked to test it with QEMU, but I get the following error when trying to start QEMU for machine ref405ep. qemu-system-ppc: Could not load PowerPC BIOS 'ppc405_rom.bin' Can someone help with that ? Christophe Leroy (12): powerpc/40x: Rework 40x PTE access and TLB miss powerpc/pgtable: Drop PTE_ATOMIC_UPDATES powerpc/40x: Remove support for IBM 403GCX powerpc/40x: Remove STB03xxx powerpc/40x: Remove WALNUT powerpc/40x: Remove EP405 powerpc/40x: Remove support for ISS Simulator powerpc/40x: Remove support for IBM 405GP powerpc/40x: Remove IBM405 Erratum #51 powerpc: Remove IBM405 Erratum #77 powerpc/40x: Avoid using r12 in TLB miss handlers powerpc/40x: Don't save CR in SPRN_SPRG_SCRATCH6 Michal Simek (1): powerpc: Remove Xilinx PPC405/PPC440 support Documentation/devicetree/bindings/xilinx.txt | 143 ------ Documentation/powerpc/bootwrapper.rst | 28 +- arch/powerpc/Kconfig.debug | 2 +- arch/powerpc/boot/Makefile | 14 +- arch/powerpc/boot/dts/Makefile | 1 - arch/powerpc/boot/dts/ep405.dts | 230 --------- arch/powerpc/boot/dts/virtex440-ml507.dts | 406 ---------------- arch/powerpc/boot/dts/virtex440-ml510.dts | 466 ------------------- arch/powerpc/boot/dts/walnut.dts | 246 ---------- arch/powerpc/boot/ep405.c | 71 --- arch/powerpc/boot/ops.h | 1 - arch/powerpc/boot/serial.c | 5 - arch/powerpc/boot/treeboot-walnut.c | 81 ---- arch/powerpc/boot/uartlite.c | 79 ---- arch/powerpc/boot/virtex.c | 97 ---- arch/powerpc/boot/virtex405-head.S | 31 -- arch/powerpc/boot/wrapper | 8 - arch/powerpc/configs/40x/acadia_defconfig | 1 - arch/powerpc/configs/40x/ep405_defconfig | 62 --- arch/powerpc/configs/40x/kilauea_defconfig | 1 - arch/powerpc/configs/40x/klondike_defconfig | 1 - arch/powerpc/configs/40x/makalu_defconfig | 1 - arch/powerpc/configs/40x/obs600_defconfig | 1 - arch/powerpc/configs/40x/virtex_defconfig | 75 --- arch/powerpc/configs/44x/virtex5_defconfig | 74 --- arch/powerpc/configs/ppc40x_defconfig | 9 - arch/powerpc/configs/ppc44x_defconfig | 8 - arch/powerpc/include/asm/asm-405.h | 19 - arch/powerpc/include/asm/atomic.h | 11 - arch/powerpc/include/asm/bitops.h | 4 - arch/powerpc/include/asm/cache.h | 2 +- arch/powerpc/include/asm/cmpxchg.h | 11 - arch/powerpc/include/asm/futex.h | 3 - arch/powerpc/include/asm/nohash/32/pgtable.h | 33 -- arch/powerpc/include/asm/nohash/32/pte-40x.h | 23 +- arch/powerpc/include/asm/nohash/64/pgtable.h | 27 -- arch/powerpc/include/asm/nohash/pgtable.h | 2 - arch/powerpc/include/asm/reg_booke.h | 54 --- arch/powerpc/include/asm/spinlock.h | 4 - arch/powerpc/include/asm/time.h | 12 - arch/powerpc/include/asm/xilinx_intc.h | 16 - arch/powerpc/include/asm/xilinx_pci.h | 21 - arch/powerpc/kernel/cputable.c | 102 ---- arch/powerpc/kernel/entry_32.S | 11 - arch/powerpc/kernel/head_40x.S | 316 +++---------- arch/powerpc/kernel/misc_32.S | 9 - arch/powerpc/kernel/setup-common.c | 4 - arch/powerpc/mm/nohash/40x.c | 4 +- arch/powerpc/platforms/40x/Kconfig | 76 --- arch/powerpc/platforms/40x/Makefile | 3 - arch/powerpc/platforms/40x/ep405.c | 123 ----- arch/powerpc/platforms/40x/virtex.c | 54 --- arch/powerpc/platforms/40x/walnut.c | 65 --- arch/powerpc/platforms/44x/Kconfig | 40 +- arch/powerpc/platforms/44x/Makefile | 2 - arch/powerpc/platforms/44x/virtex.c | 60 --- arch/powerpc/platforms/44x/virtex_ml510.c | 30 -- arch/powerpc/platforms/Kconfig | 4 - arch/powerpc/sysdev/Makefile | 2 - arch/powerpc/sysdev/xilinx_intc.c | 88 ---- arch/powerpc/sysdev/xilinx_pci.c | 132 ------ drivers/char/Kconfig | 2 +- drivers/video/fbdev/Kconfig | 2 +- 63 files changed, 83 insertions(+), 3430 deletions(-) delete mode 100644 arch/powerpc/boot/dts/ep405.dts delete mode 100644 arch/powerpc/boot/dts/virtex440-ml507.dts delete mode 100644 arch/powerpc/boot/dts/virtex440-ml510.dts delete mode 100644 arch/powerpc/boot/dts/walnut.dts delete mode 100644 arch/powerpc/boot/ep405.c delete mode 100644 arch/powerpc/boot/treeboot-walnut.c delete mode 100644 arch/powerpc/boot/uartlite.c delete mode 100644 arch/powerpc/boot/virtex.c delete mode 100644 arch/powerpc/boot/virtex405-head.S delete mode 100644 arch/powerpc/configs/40x/ep405_defconfig delete mode 100644 arch/powerpc/configs/40x/virtex_defconfig delete mode 100644 arch/powerpc/configs/44x/virtex5_defconfig delete mode 100644 arch/powerpc/include/asm/asm-405.h delete mode 100644 arch/powerpc/include/asm/xilinx_intc.h delete mode 100644 arch/powerpc/include/asm/xilinx_pci.h delete mode 100644 arch/powerpc/platforms/40x/ep405.c delete mode 100644 arch/powerpc/platforms/40x/virtex.c delete mode 100644 arch/powerpc/platforms/40x/walnut.c delete mode 100644 arch/powerpc/platforms/44x/virtex.c delete mode 100644 arch/powerpc/platforms/44x/virtex_ml510.c delete mode 100644 arch/powerpc/sysdev/xilinx_intc.c delete mode 100644 arch/powerpc/sysdev/xilinx_pci.c -- 2.25.0