{"id":640713,"url":"http://patchwork.ozlabs.org/api/patches/640713/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/4863e2f8235.599ebfcf@auth.smtp.1and1.co.uk/","project":{"id":2,"url":"http://patchwork.ozlabs.org/api/projects/2/?format=json","name":"Linux PPC development","link_name":"linuxppc-dev","list_id":"linuxppc-dev.lists.ozlabs.org","list_email":"linuxppc-dev@lists.ozlabs.org","web_url":"https://github.com/linuxppc/wiki/wiki","scm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git","webscm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/","list_archive_url":"https://lore.kernel.org/linuxppc-dev/","list_archive_url_format":"https://lore.kernel.org/linuxppc-dev/{}/","commit_url_format":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id={}"},"msgid":"<4863e2f8235.599ebfcf@auth.smtp.1and1.co.uk>","list_archive_url":"https://lore.kernel.org/linuxppc-dev/4863e2f8235.599ebfcf@auth.smtp.1and1.co.uk/","date":"2016-06-26T17:42:11","name":"Proposed: Patch to fix boot on PA6T","commit_ref":null,"pull_url":null,"state":"superseded","archived":true,"hash":"94e6b18b37147ef9eb8b718c4b75e486403a2686","submitter":{"id":69199,"url":"http://patchwork.ozlabs.org/api/people/69199/?format=json","name":"Darren Stevens","email":"darren@stevens-zone.net"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/4863e2f8235.599ebfcf@auth.smtp.1and1.co.uk/mbox/","series":[],"comments":"http://patchwork.ozlabs.org/api/patches/640713/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/640713/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":["patchwork-incoming@ozlabs.org","linuxppc-dev@lists.ozlabs.org"],"Delivered-To":["patchwork-incoming@ozlabs.org","linuxppc-dev@lists.ozlabs.org"],"Received":["from lists.ozlabs.org (lists.ozlabs.org [103.22.144.68])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3rd1H01thwz9sRZ\n\tfor ;\n\tMon, 27 Jun 2016 04:45:48 +1000 (AEST)","from ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 3rd1H015ZzzDqrK\n\tfor ;\n\tMon, 27 Jun 2016 04:45:48 +1000 (AEST)","from mout.kundenserver.de (mout.kundenserver.de [212.227.126.135])\n\t(using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby lists.ozlabs.org (Postfix) with ESMTPS id 3rd1Fm2zyczDqm9\n\tfor ;\n\tMon, 27 Jun 2016 04:44:42 +1000 (AEST)","from mintppc.lan ([86.169.226.157]) by mrelayeu.kundenserver.de\n\t(mreue001) with ESMTPA (Nemesis) id 0LmiNA-1bpVV12fOu-00h66r;\n\tSun, 26 Jun 2016 20:42:19 +0200"],"From":"Darren Stevens ","To":"linuxppc-dev@lists.ozlabs.org","Date":"Sun, 26 Jun 2016 18:42:11 +0100 (BST)","Message-ID":"<4863e2f8235.599ebfcf@auth.smtp.1and1.co.uk>","User-Agent":"YAM/2.9p1 (AmigaOS4; PPC; rv:20140418r7798)","Subject":"Proposed: Patch to fix boot on PA6T","MIME-Version":"1.0","Content-type":"multipart/mixed; boundary=\"--=_BOUNDARY.6d401b301879572c.5f\"","X-Provags-ID":"V03:K0:ts9caAAeT1jpDEu2UJbFtbThBF6jrQUFOwLOg1Fat2NiJ/YA/BR\n\tx1qgNNiGnB6PbQw4C6SETCNGWlG+N9O7+9g8F9wFCqZhhjLrcSEJnPkSt7sm2Pzjtajd2db\n\tvgSHAvAs3MkBe1zG1ed/R40d0SgDwrYh9u8uqu5wfd4NERcFzqMi7isTaGo/eZWcGR2+e3l\n\tS85fZ6jF1ZjOnibg1rJPQ==","X-UI-Out-Filterresults":"notjunk:1; V01:K0:ZtGNsAvB3Uw=:t0ZRb6o/l33XhtMINqH6M+\n\tRRBrtsffagk7JzXEr2Z6BVZFZ6sHxzWw5N8xmxm36fz0vy3SPsM3wubft9WaZzZAFkL+xDAr+\n\tbjtGiw71crG1a4faPWMjxh5PEHwpsfSJ0Khu4p4B9ikLzMxm+1hXiBH6dVWjYjxMP4fXoGY7r\n\tZvkLI8gXEAYhuZCepeMCAlwbCZnj1Aog0lsl9vWgdUyjVPjwl5zlPGcMwvnZGOcdQLAak7fGz\n\tLNob17+fZJ/eaXpZdcc36uC08KPsU4R6s34qlYxNhl/uHl+R6UksEhIzCbtP3hhyMVcM3o/RD\n\tEjKcp8kP8oPDz1N3UPv7YlFbab9Cgd1cVS8xfkQyGqB6G+Xva9UKYG4nyqokhpfIrmTLNP4dN\n\tV2mi8BaZ/mvNaxp4N6OcEnLvYT5UsJd2jI/XRxTK06LyV60mRUr5lbjIeqK6+Y1/mmvGstwFM\n\tK3GJ20XJj9x9CvGvdKfWCGEgeaBQHXfOuWXbs5hE7t6CgC0L/XodCOkfFJt9uEsU5SBxB21Of\n\tF0n6Z4ZJdiNUXa/LmyoNjEmKEsqUc6qZvWezlhG1et5KwBizw0Z47w+7aO3NhGGqDN1cYuGue\n\t9vI4fx6DK71zSmSxlUQnc7XW0KPMiX8z5VtwTzjRUMKmgjapsoC6og7v/NZn19XT6XzvbnqDU\n\tI5u4c/8gfZbhl6r3qeHcXBAIIShBYyLZI1qTZHkharRXyZK6IlHO2BzYYSJe1xk++34g=","X-BeenThere":"linuxppc-dev@lists.ozlabs.org","X-Mailman-Version":"2.1.22","Precedence":"list","List-Id":"Linux on PowerPC Developers Mail List\n\t","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Cc":"Pat Wall , matthew@a-eon.com, aperez@alexperez.com,\n\t\"R.T.Dickinson\" ,\n\tChristian Zigotzky ","Errors-To":"linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org","Sender":"\"Linuxppc-dev\"\n\t"},"content":"Hello All,\n\n commit d6a9996e84ac4beb7713e9485f4563e100a9b03e\n powerpc/mm: vmalloc abstraction in preparation for radix\n\n This commit introduced variables for some linux kernel addresses that had\nbefore\n been constants, unfortunately this stopped PaSemi PA6T systems(*) from\nbooting as\n they call ioremap to map SoC registers before the mmu is initialised. The\nattached\n patch adds a hard-coded init of pci_io_base to the pas_init_early()\nfunction which\n which allows the kernel to boot normally.\n\n The value will be harmlessly set again once pci starts up.\n\n (*) At the moment this has only been tested on an AmigaOneX1000, but I\nexpect PaSemi\n reference systems to have been affected in the same way.\n\nKind regards\nDarren","diff":"diff --git a/arch/powerpc/platforms/pasemi/setup.c b/arch/powerpc/platforms/pasemi/setup.c\nindex d71b2c7..6b8d2ab 100644\n--- a/arch/powerpc/platforms/pasemi/setup.c\n+++ b/arch/powerpc/platforms/pasemi/setup.c\n@@ -61,6 +61,7 @@ static struct mce_regs mce_regs[MAX_MCE_REGS];\n static int num_mce_regs;\n static int nmi_virq = NO_IRQ;\n \n+extern unsigned long pci_io_base;\n \n static void pas_restart(char *cmd)\n {\n@@ -341,6 +342,10 @@ out:\n \n static void __init pas_init_early(void)\n {\n+\t/* Initialise the IO pointer so we don't crash on boot */\n+\n+\tpci_io_base = (H_KERN_VIRT_START + (H_KERN_VIRT_SIZE >> 1));\n+\n \tiommu_init_early_pasemi();\n }\n \n","prefixes":[]}