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=-0.8 required=3.0 tests=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 943A0C433DF for ; Thu, 21 May 2020 17:03:04 +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 4F666207F7 for ; Thu, 21 May 2020 17:03:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4F666207F7 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=csgroup.eu Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 49SbXj1tgHzDqlQ for ; Fri, 22 May 2020 03:03:01 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=csgroup.eu (client-ip=93.17.236.30; helo=pegase1.c-s.fr; envelope-from=christophe.leroy@csgroup.eu; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=csgroup.eu 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 49SbPJ6SckzDqfr for ; Fri, 22 May 2020 02:56:01 +1000 (AEST) Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 49SbNP3xptz9tyFq; Thu, 21 May 2020 18:55:49 +0200 (CEST) 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 t1vK45dStyxb; Thu, 21 May 2020 18:55:49 +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 49SbNP33vLz9v125; Thu, 21 May 2020 18:55:49 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id BBF548B7DB; Thu, 21 May 2020 18:55:51 +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 OyFS_cgZ7i-a; Thu, 21 May 2020 18:55:51 +0200 (CEST) Received: from pc16570vm.idsi0.si.c-s.fr (unknown [192.168.4.90]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 705198B778; Thu, 21 May 2020 18:55:51 +0200 (CEST) Received: by pc16570vm.idsi0.si.c-s.fr (Postfix, from userid 0) id 3959665A53; Thu, 21 May 2020 16:55:51 +0000 (UTC) Message-Id: From: Christophe Leroy Subject: [PATCH v5 00/13] Modernise powerpc 40x To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , michal.simek@xilinx.com, arnd@arndb.de Date: Thu, 21 May 2020 16:55:51 +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. v4: - Fixing a build failure with patch 2 due to a missing ; - There was in patch 5 some stuff belonging to patch 6. Moved them. - Rebased to today's powerpc/merge v5: - Rebase on top of 35a26089dd1c Automatic merge of 'next-test' into merge-test (2020-05-22 00:14) 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 | 16 - arch/powerpc/include/asm/nohash/32/pte-40x.h | 23 +- 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 +- 62 files changed, 83 insertions(+), 3386 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