1d6d45e3c9
__ROMCC__ now means "Don't use prototypes, since romcc doesn't support them." __PRE_RAM__ means "Use simpler versions of functions, and no device tree." There are probably some places where both are tested, but only one is needed. Signed-off-by: Myles Watson <mylesgw@gmail.com> Acked-by: Peter Stuge <peter@stuge.se> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4921 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
43 lines
962 B
C
43 lines
962 B
C
#include <arch/io.h>
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#include <device/pci_def.h>
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#include <device/pci_ids.h>
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#if !defined (__ROMCC__) && !defined (__PRE_RAM__)
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#include <device/device.h>
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#include <device/pci.h>
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#include <device/pci_ops.h>
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#define PCI_ID(VENDOR_ID, DEVICE_ID) \
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((((DEVICE_ID) & 0xFFFF) << 16) | ((VENDOR_ID) & 0xFFFF))
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#define PCI_DEV_INVALID 0
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static inline device_t pci_locate_device(unsigned pci_id, device_t from)
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{
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return dev_find_device(pci_id >> 16, pci_id & 0xffff, from);
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}
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#endif
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void soft_reset(void)
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{
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outb(0x04, 0xcf9);
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}
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void hard_reset(void)
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{
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outb(0x02, 0xcf9);
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outb(0x06, 0xcf9);
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}
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void full_reset(void)
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{
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device_t dev;
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/* Enable power on after power fail... */
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dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801ER_LPC), 0);
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if (dev != PCI_DEV_INVALID) {
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unsigned byte;
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byte = pci_read_config8(dev, 0xa4);
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byte &= 0xfe;
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pci_write_config8(dev, 0xa4, byte);
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}
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outb(0x0e, 0xcf9);
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}
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