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include/pci_regs: add PCI_STD_NUM_BARS macro

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Signed-off-by: Bowen Wang <wangbowen6@xiaomi.com>
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Bowen Wang 2024-03-25 11:10:18 +08:00 committed by Xiang Xiao
parent 0f3feefa85
commit 97740fca2c
1 changed files with 1 additions and 0 deletions
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include/nuttx/pci/pci_regs.h
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@ -26,6 +26,7 @@
*/
#define PCI_STD_HEADER_SIZEOF 64
#define PCI_STD_NUM_BARS 6 /* Number of standard BARs */
#define PCI_VENDOR_ID 0x00 /* 16 bits */
#define PCI_DEVICE_ID 0x02 /* 16 bits */
#define PCI_COMMAND 0x04 /* 16 bits */