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pci: Add helper functions to enable mem mapped registers

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This will be useful to enable memory mapped registers for PCI based
drivers that requires it. Removing redundant setting as well.

Change-Id: I52e47d01263a2de31c0c9f52ff65cc7e2734cf08
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
This commit is contained in:
Tomasz Bursztyka 2015-08-21 12:53:40 +03:00 • committed by Anas Nashif
commit 7b34e0dcfa
2 changed files with 42 additions and 5 deletions
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14
include/drivers/pci/pci.h
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@ -53,16 +53,22 @@ struct pci_dev_info {
uint32_t addr; /* I/O or memory region address */
uint32_t size; /* memory region size */
int irq;
uint16_t mem_type:1; /* memory type: BAR_SPACE_MEM/BAR_SPACE_IO */
uint16_t class:8;
uint16_t function:4;
uint16_t bar:3;
uint32_t bus:8;
uint32_t dev:5;
uint32_t function:4;
uint32_t mem_type:1; /* memory type: BAR_SPACE_MEM/BAR_SPACE_IO */
uint32_t class:8;
uint32_t bar:3;
uint32_t _reserved:3;
uint16_t vendor_id;
uint16_t device_id;
};
extern void pci_bus_scan_init(void);
extern int pci_bus_scan(struct pci_dev_info *dev_info);
void pci_enable_regs(struct pci_dev_info *dev_info);
#ifdef CONFIG_PCI_DEBUG
extern void pci_show(struct pci_dev_info *dev_info);