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Suspend broadcom cards in order to stop their DMA.

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* grub-core/Makefile.am (KERNEL_HEADER_FILES): Add pci.h on x86 EFI.
	* grub-core/Makefile.core.def (kernel): Add pci.c on x86 EFI.
	(pci): Don't build on x86 EFI.
	* grub-core/bus/pci.c (grub_pci_find_capability): New function.
	* grub-core/kern/efi/mm.c (stop_broadcom) [__i386__ || __x86_64__]:
	New function.
	(grub_efi_finish_boot_services) [__i386__ || __x86_64__]: Call
	stop_broadcom if running on EFI.
	* include/grub/pci.h (GRUB_PCI_CLASS_NETWORK): New enum value.
	(GRUB_PCI_CAP_POWER_MANAGEMENT): Likewise.
	(GRUB_PCI_VENDOR_BROADCOM): Likewise.
	(grub_pci_find_capability): New proto.

	Also-By: Vladimir Serbinenko <phcoder@gmail.com>
This commit is contained in:
Matthew Garrett 2012-05-03 17:26:55 +02:00 • committed by Vladimir 'phcoder' Serbinenko
parent 01aab9978f
commit 9d34bb85da
6 changed files with 122 additions and 2 deletions
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15
include/grub/pci.h
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@ -81,6 +81,19 @@
#define GRUB_PCI_STATUS_DEVSEL_TIMING_SHIFT 9
#define GRUB_PCI_STATUS_DEVSEL_TIMING_MASK 0x0600
#define GRUB_PCI_CLASS_SUBCLASS_VGA 0x0300
enum
{
GRUB_PCI_CLASS_NETWORK = 0x02
};
enum
{
GRUB_PCI_CAP_POWER_MANAGEMENT = 0x01
};
enum
{
GRUB_PCI_VENDOR_BROADCOM = 0x14e4
};
#ifndef ASM_FILE
typedef grub_uint32_t grub_pci_id_t;
@ -146,6 +159,8 @@ grub_dma_virt2phys (volatile void *virt, struct grub_pci_dma_chunk *chunk)
+ grub_dma_get_phys (chunk));
}
grub_uint8_t
EXPORT_FUNC (grub_pci_find_capability) (grub_pci_device_t dev, grub_uint8_t cap);
#endif