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Better PCI IDE init with fallback to IO bars
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Kamil Kowalczyk
2026-03-10 21:56:48 +01:00
parent 3d9503260e
commit 37ec117abc
2 changed files with 56 additions and 32 deletions
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38
kernel/device/pci.h
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@@ -7,19 +7,31 @@
#define PCI_CONFIG_ADDR 0xCF8
#define PCI_CONFIG_DATA 0xCFC
#define PCI_VENDOR_ID 0x00
#define PCI_DEVICE_ID 0x02
#define PCI_COMMAND 0x04
#define PCI_STATUS 0x06
#define PCI_REVISION_ID 0x08
#define PCI_PROG_IF 0x09
#define PCI_SUBCLASS 0x0A
#define PCI_CLASS 0x0B
#define PCI_CACHELINE 0x0C
#define PCI_LATENCY 0x0D
#define PCI_HEADER_TYPE 0x0E
#define PCI_BIST 0x0F
#define PCI_BAR0 0x10
#define PCI_VENDOR_ID 0x00
#define PCI_DEVICE_ID 0x02
#define PCI_COMMAND 0x04
#define PCI_STATUS 0x06
#define PCI_REVISION_ID 0x08
#define PCI_PROG_IF 0x09
#define PCI_SUBCLASS 0x0A
#define PCI_CLASS 0x0B
#define PCI_CACHELINE 0x0C
#define PCI_LATENCY 0x0D
#define PCI_HEADER_TYPE 0x0E
#define PCI_BIST 0x0F
#define PCI_BAR0 0x10
#define PCI_BAR1 0x14
#define PCI_BAR2 0x18
#define PCI_BAR3 0x1C
#define PCI_BAR4 0x20
#define PCI_BAR5 0x24
#define PCI_INTERRUPT 0x3C
#define PCI_SECONDARY_BUS 0x09
#define PCI_BAR_IO 0x01
#define PCI_BAR_MEM32 0x02
#define PCI_BAR_MEM64 0x04
#define PCI_BAR_PREFETCH 0x08
struct pci_vendor {
uint16_t id;