diff options
Diffstat (limited to 'arch/x86_64/kernel/vsmp_64.c')
| -rw-r--r-- | arch/x86_64/kernel/vsmp_64.c | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/arch/x86_64/kernel/vsmp_64.c b/arch/x86_64/kernel/vsmp_64.c deleted file mode 100644 index 414caf0c5f9..00000000000 --- a/arch/x86_64/kernel/vsmp_64.c +++ /dev/null @@ -1,49 +0,0 @@ -/* - * vSMPowered(tm) systems specific initialization - * Copyright (C) 2005 ScaleMP Inc. - * - * Use of this code is subject to the terms and conditions of the - * GNU general public license version 2. See "COPYING" or - * http://www.gnu.org/licenses/gpl.html - * - * Ravikiran Thirumalai <kiran@scalemp.com>, - * Shai Fultheim <shai@scalemp.com> - */ - -#include <linux/init.h> -#include <linux/pci_ids.h> -#include <linux/pci_regs.h> -#include <asm/pci-direct.h> -#include <asm/io.h> - -static int __init vsmp_init(void) -{ - void *address; - unsigned int cap, ctl; - - if (!early_pci_allowed()) - return 0; - - /* Check if we are running on a ScaleMP vSMP box */ - if ((read_pci_config_16(0, 0x1f, 0, PCI_VENDOR_ID) != PCI_VENDOR_ID_SCALEMP) || - (read_pci_config_16(0, 0x1f, 0, PCI_DEVICE_ID) != PCI_DEVICE_ID_SCALEMP_VSMP_CTL)) - return 0; - - /* set vSMP magic bits to indicate vSMP capable kernel */ - address = ioremap(read_pci_config(0, 0x1f, 0, PCI_BASE_ADDRESS_0), 8); - cap = readl(address); - ctl = readl(address + 4); - printk("vSMP CTL: capabilities:0x%08x control:0x%08x\n", cap, ctl); - if (cap & ctl & (1 << 4)) { - /* Turn on vSMP IRQ fastpath handling (see system.h) */ - ctl &= ~(1 << 4); - writel(ctl, address + 4); - ctl = readl(address + 4); - printk("vSMP CTL: control set to:0x%08x\n", ctl); - } - - iounmap(address); - return 0; -} - -core_initcall(vsmp_init); |