diff options
Diffstat (limited to 'arch/i386/kernel/reboot_fixups.c')
| -rw-r--r-- | arch/i386/kernel/reboot_fixups.c | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/arch/i386/kernel/reboot_fixups.c b/arch/i386/kernel/reboot_fixups.c deleted file mode 100644 index 03e1cce58f4..00000000000 --- a/arch/i386/kernel/reboot_fixups.c +++ /dev/null @@ -1,68 +0,0 @@ -/* - * linux/arch/i386/kernel/reboot_fixups.c - * - * This is a good place to put board specific reboot fixups. - * - * List of supported fixups: - * geode-gx1/cs5530a - Jaya Kumar <jayalk@intworks.biz> - * geode-gx/lx/cs5536 - Andres Salomon <dilinger@debian.org> - * - */ - -#include <asm/delay.h> -#include <linux/pci.h> -#include <asm/reboot_fixups.h> -#include <asm/msr.h> - -static void cs5530a_warm_reset(struct pci_dev *dev) -{ - /* writing 1 to the reset control register, 0x44 causes the - cs5530a to perform a system warm reset */ - pci_write_config_byte(dev, 0x44, 0x1); - udelay(50); /* shouldn't get here but be safe and spin-a-while */ - return; -} - -static void cs5536_warm_reset(struct pci_dev *dev) -{ - /* - * 6.6.2.12 Soft Reset (DIVIL_SOFT_RESET) - * writing 1 to the LSB of this MSR causes a hard reset. - */ - wrmsrl(0x51400017, 1ULL); - udelay(50); /* shouldn't get here but be safe and spin a while */ -} - -struct device_fixup { - unsigned int vendor; - unsigned int device; - void (*reboot_fixup)(struct pci_dev *); -}; - -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 }, -}; - -/* - * we see if any fixup is available for our current hardware. if there - * is a fixup, we call it and we expect to never return from it. if we - * do return, we keep looking and then eventually fall back to the - * standard mach_reboot on return. - */ -void mach_reboot_fixups(void) -{ - struct device_fixup *cur; - struct pci_dev *dev; - int i; - - for (i=0; i < ARRAY_SIZE(fixups_table); i++) { - cur = &(fixups_table[i]); - dev = pci_get_device(cur->vendor, cur->device, NULL); - if (!dev) - continue; - - cur->reboot_fixup(dev); - } -} - |