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GET /api/patches/428131/?format=api
{ "id": 428131, "url": "http://patchwork.ozlabs.org/api/patches/428131/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/1421096236-27820-1-git-send-email-arnab_basu@rocketmail.com/", "project": { "id": 18, "url": "http://patchwork.ozlabs.org/api/projects/18/?format=api", "name": "U-Boot", "link_name": "uboot", "list_id": "u-boot.lists.denx.de", "list_email": "u-boot@lists.denx.de", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<1421096236-27820-1-git-send-email-arnab_basu@rocketmail.com>", "list_archive_url": null, "date": "2015-01-12T20:57:16", "name": "[U-Boot,v2,8/9] ARMv8: PSCI: Setup ARMv8 PSCI", "commit_ref": null, "pull_url": null, "state": "changes-requested", "archived": false, "hash": "22867b66277259e052f668b50385f424b841be82", "submitter": { "id": 65465, "url": "http://patchwork.ozlabs.org/api/people/65465/?format=api", "name": "Arnab Basu", "email": "arnab_basu@rocketmail.com" }, "delegate": { "id": 1694, "url": "http://patchwork.ozlabs.org/api/users/1694/?format=api", "username": "aaribaud", "first_name": "Albert", "last_name": "ARIBAUD", "email": "albert.aribaud@free.fr" }, "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/1421096236-27820-1-git-send-email-arnab_basu@rocketmail.com/mbox/", "series": [], "comments": "http://patchwork.ozlabs.org/api/patches/428131/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/428131/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<u-boot-bounces@lists.denx.de>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Received": [ "from theia.denx.de (theia.denx.de [85.214.87.163])\n\tby ozlabs.org (Postfix) with ESMTP id 155881401DA\n\tfor <incoming@patchwork.ozlabs.org>;\n\tTue, 13 Jan 2015 08:02:34 +1100 (AEDT)", "from localhost (localhost [127.0.0.1])\n\tby theia.denx.de (Postfix) with ESMTP id 3EADE4B6A7;\n\tMon, 12 Jan 2015 22:02:01 +0100 (CET)", "from theia.denx.de ([127.0.0.1])\n\tby localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id eeXtcmyff4m3; 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a=rsa-sha256; c=relaxed/relaxed; d=rocketmail.com;\n\ts=s2048; \n\tt=1421096423; bh=3Bbwv3vAP2k+t27IAVtcqNPVnXCXpeZtI10/fVbxMFY=;\n\th=From:To:Cc:Subject:Date:From:Subject;\n\tb=rcSznZx2MtR5r8Z9ZArlb7LAspiCPHNLoHyAEMA8yBtGcCHxF6gpPjJSgi86hoHDblF9PnB1/gWBjTiLFcJ0q7opFKWzFJY1uct/rpv21TMoRLk5dLIsUCq9GPh62WZHwLLdQ1LdBM+keuxuU5YNu0YNG+KbvihEHolk6DJVTC5PiGO0N9D6+I6AdTuS1DBaKcIBVmuX1hgfsk0SrLAtv+23KE3mHVltm8W6sQoGYcHtDMDT0AVOb0+3O46qyzZhYsMGUsZQYOhFBb5iMCnQ8YhMdIGY7ODAdxwI5U8yE7mpIzhBp/gnLk37a0pLm4sI6DprKtDLkbxZPPMXR+aBSA==", "DomainKey-Signature": "a=rsa-sha1; q=dns; c=nofws; s=s2048; d=rocketmail.com; \n\tb=sdpdYZq7JLuHoxB6CmfEomDEQib4ai9ngVb7FXDCOOu8N/WWZoqXEUDkjhCgTumJAU5enw9sjUzjIxV5KwKGjQ9KNlBSQGh6qw55oQx2U8qs/9WeNswc8PhSyRzLO9N3u5QWaHVzky7FUNXD/wKaDJB/gsUy+Xx2KNnGS80d40isHjp7fvg5BqxB8KqNj/LQjB4XRcMfr6xlXMLjvezaZfLSBz9SvXdBW4NFTWKv4JDQZY8zHDMRrwsp3usBO6ilclpdO6oUMH3IXjvBxu35Z9tTTVS5Iiu/rPbIzuQcQeLgjiFpL8EcvGyLrmXRDtXNl7iH+uxdTUcHMyjdt+XMig==;", "X-Yahoo-Newman-Id": "861551.25373.bm@smtp103.mail.sg3.yahoo.com", "X-Yahoo-Newman-Property": "ymail-4", "X-YMail-OSG": "st7V2ycVM1kpJxpASKWdlELd2q118RcefOHYdbufXfnlyoS\n\tFSDcS_4M8AkRK4D_GFBz5V_g48GqTmdaKfMQchpqjJRFGGV3SFBkWeCC.mdd\n\tx4yh8AEqaBb.gGi2ohWfAgN5r3sF.r74Mst8nc12GPAjPFH3xWMEbkTQr2BA\n\te09TjdgO3s2hiXpeY4sphs2hTgpcR96HP3XO6idVVR7uWAGsMikdnwoATDww\n\tz57QpoSNwSAtWl7HLOwwta5TArJM4j1BD6bGw9j94Y8VIQy54dFNN3eRAlUq\n\t1mdBZZ3WNw6jbD6jn7My_Y19tSQNv4w6euABrnk5UzgEXe5VJDdrdsOQDbpZ\n\t4Bo9YuFS1yi_zx1M9CijwDkIBo9SIXCvPThp0UKhCcGqa3kKxreXq.pjZJay\n\tT53J3XSHxEejmbTBtMzkui5.ElIn1U1tyNQGBoVFnVxfYu7fAFJWeG1WIjN3\n\t3KD8XtRo0s1MsZHLAAk310.LH8QFkeFi9T6kRIHaczbB7CKrZyJIDTeLIClb\n\tAuA.AuAkuKciDJ9sX.GwlrXMkytc2KTGJ2ST3IbvLF_ypy8xx_RBspsW3wSW\n\tQ.mTUH1EPlzlHkKxk", "X-Yahoo-SMTP": "crLrLjSswBAdKO_oWys7UTWLvPXPfbdd3XtEOYM5nEof1j3oy80-", "From": "Arnab Basu <arnab_basu@rocketmail.com>", "To": "u-boot@lists.denx.de,\n\tAlbert Aribaud <albert.u.boot@aribaud.net>", "Date": "Tue, 13 Jan 2015 02:27:16 +0530", "Message-Id": "<1421096236-27820-1-git-send-email-arnab_basu@rocketmail.com>", "X-Mailer": "git-send-email 1.9.1", "X-Mailman-Approved-At": "Mon, 12 Jan 2015 22:01:16 +0100", "Cc": "stuart.yoder@freescale.com, Marc Zyngier <marc.zyngier@arm.com>,\n\tyorksun@freescale.com", "Subject": "[U-Boot] [PATCH v2 8/9] ARMv8: PSCI: Setup ARMv8 PSCI", "X-BeenThere": "u-boot@lists.denx.de", "X-Mailman-Version": "2.1.13", "Precedence": "list", "List-Id": "U-Boot discussion <u-boot.lists.denx.de>", "List-Unsubscribe": "<http://lists.denx.de/mailman/options/u-boot>,\n\t<mailto:u-boot-request@lists.denx.de?subject=unsubscribe>", "List-Archive": "<http://lists.denx.de/pipermail/u-boot>", "List-Post": "<mailto:u-boot@lists.denx.de>", "List-Help": "<mailto:u-boot-request@lists.denx.de?subject=help>", "List-Subscribe": "<http://lists.denx.de/mailman/listinfo/u-boot>,\n\t<mailto:u-boot-request@lists.denx.de?subject=subscribe>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Sender": "u-boot-bounces@lists.denx.de", "Errors-To": "u-boot-bounces@lists.denx.de" }, "content": "Setup the ARMv8 PSCI code just before switching to EL2 and jumping\nto the kernel.\n\nSigned-off-by: Arnab Basu <arnab_basu@rocketmail.com>\nCc: Bhupesh Sharma <bhupesh.sharma@freescale.com>\nCc: Marc Zyngier <marc.zyngier@arm.com>\n---\n arch/arm/cpu/armv8/cpu.c | 23 +++++++++++++++++++++++\n arch/arm/cpu/armv8/psci.S | 6 ++++++\n arch/arm/include/asm/system.h | 3 +++\n arch/arm/lib/bootm.c | 3 +++\n 4 files changed, 35 insertions(+)", "diff": "diff --git a/arch/arm/cpu/armv8/cpu.c b/arch/arm/cpu/armv8/cpu.c\nindex 2c8be1c..286ac05 100644\n--- a/arch/arm/cpu/armv8/cpu.c\n+++ b/arch/arm/cpu/armv8/cpu.c\n@@ -154,3 +154,26 @@ int cleanup_before_linux(void)\n \n \treturn 0;\n }\n+\n+#ifdef CONFIG_ARMV8_PSCI\n+\n+static void relocate_secure_section(void)\n+{\n+#ifdef CONFIG_ARMV8_SECURE_BASE\n+\tsize_t sz = __secure_end - __secure_start;\n+\n+\tmemcpy((void *)CONFIG_ARMV8_SECURE_BASE, __secure_start, sz);\n+\tflush_dcache_range(CONFIG_ARMV8_SECURE_BASE,\n+\t\t\t CONFIG_ARMV8_SECURE_BASE + sz + 1);\n+\tinvalidate_icache_all();\n+#endif\n+}\n+\n+void setup_psci(void)\n+{\n+\trelocate_secure_section();\n+\tfixup_vectors();\n+\tpsci_arch_init();\n+}\n+\n+#endif\ndiff --git a/arch/arm/cpu/armv8/psci.S b/arch/arm/cpu/armv8/psci.S\nindex 6028020..508e6eb 100644\n--- a/arch/arm/cpu/armv8/psci.S\n+++ b/arch/arm/cpu/armv8/psci.S\n@@ -160,3 +160,9 @@ psci_vectors:\n \tb\tunhandled_exception\t/* Lower EL Error (64b) */\n \n .popsection\n+\n+ENTRY(fixup_vectors)\n+ adr x0, psci_vectors\n+ msr vbar_el3, x0\n+ ret\n+ENDPROC(fixup_vectors)\ndiff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h\nindex f3f4ace..a2074a4 100644\n--- a/arch/arm/include/asm/system.h\n+++ b/arch/arm/include/asm/system.h\n@@ -78,6 +78,9 @@ void gic_send_sgi(unsigned long sgino);\n void wait_for_wakeup(void);\n void smp_kick_all_cpus(void);\n #ifdef CONFIG_ARMV8_PSCI\n+void setup_psci(void);\n+void fixup_vectors(void);\n+void psci_arch_init(void);\n extern char __secure_start[];\n extern char __secure_end[];\n #endif\ndiff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c\nindex 0c1298a..0430fa5 100644\n--- a/arch/arm/lib/bootm.c\n+++ b/arch/arm/lib/bootm.c\n@@ -275,6 +275,9 @@ static void boot_jump_linux(bootm_headers_t *images, int flag)\n \tannounce_and_cleanup(fake);\n \n \tif (!fake) {\n+#ifdef CONFIG_ARMV8_PSCI\n+\t\tsetup_psci();\n+#endif\n \t\tdo_nonsec_virt_switch();\n \t\tkernel_entry(images->ft_addr, NULL, NULL, NULL);\n \t}\n", "prefixes": [ "U-Boot", "v2", "8/9" ] }