From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1765666AbXJROCT (ORCPT ); Thu, 18 Oct 2007 10:02:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757757AbXJROCM (ORCPT ); Thu, 18 Oct 2007 10:02:12 -0400 Received: from smtp1.int-evry.fr ([157.159.10.44]:57659 "EHLO smtp1.int-evry.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753534AbXJROCK convert rfc822-to-8bit (ORCPT ); Thu, 18 Oct 2007 10:02:10 -0400 From: Florian Fainelli To: linux-kernel@vger.kernel.org Subject: Re: [PATCH 4/4 resend] [x86] : Add the RDC machine specific reboot fixup Date: Thu, 18 Oct 2007 15:59:00 +0200 User-Agent: KMail/1.9.7 Cc: "H. Peter Anvin" , Thomas Gleixner References: <200710181551.39694.florian.fainelli@telecomint.eu> In-Reply-To: <200710181551.39694.florian.fainelli@telecomint.eu> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8BIT Content-Disposition: inline Message-Id: <200710181559.00957.florian.fainelli@telecomint.eu> X-int-MailScanner-Information: Please contact the ISP for more information X-int-MailScanner: Found to be clean X-int-MailScanner-SpamCheck: X-int-MailScanner-From: florian.fainelli@telecomint.eu Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org This one also had the attachment, sorry for the noise. The RDC R-321x SoC needs a reboot fixup which uses its internal hardware watchdog set to reset the CPU on next tick. Signed-off-by: Florian Fainelli ---  arch/x86/kernel/reboot_fixups_32.c |   14 ++++++++++++++  1 files changed, 14 insertions(+), 0 deletions(-) --- diff --git a/arch/x86/kernel/reboot_fixups_32.c b/arch/x86/kernel/reboot_fixups_32.c index 8b30b26..26e23fc 100644 --- a/arch/x86/kernel/reboot_fixups_32.c +++ b/arch/x86/kernel/reboot_fixups_32.c @@ -32,6 +32,19 @@ static void cs5536_warm_reset(struct pci_dev *dev) udelay(50); /* shouldn't get here but be safe and spin a while */ } +static void rdc321x_reset(struct pci_dev *dev) +{ + unsigned i; + /* Voluntary reset the watchdog timer */ + outl(0x80003840, 0xCF8); + /* Generate a CPU reset on next tick */ + i = inl(0xCFC); + /* Use the minimum timer resolution */ + i |= 0x1600; + outl(i, 0xCFC); + outb(1, 0x92); +} + struct device_fixup { unsigned int vendor; unsigned int device; @@ -41,6 +54,7 @@ struct device_fixup { static struct device_fixup fixups_table[] = { { PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5530_LEGACY, cs5530a_warm_reset }, { PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_ISA, cs5536_warm_reset }, +{ PCI_VENDOR_ID_RDC, PCI_DEVICE_ID_RDC_R6030, rdc321x_reset }, }; /*