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https://gitlab.com/qemu-project/openbios.git
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04a412a7f5
files from include/$ARCH to include/arch/$ARCH. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@siriusit.co.uk> git-svn-id: svn://coreboot.org/openbios/trunk/openbios-devel@687 f158a5a8-5612-0410-a976-696ce0be7e32
68 lines
1.8 KiB
C
68 lines
1.8 KiB
C
#ifndef SPARC64_PCI_H
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#define SPARC64_PCI_H
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#include "asm/io.h"
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#if !(defined(PCI_CONFIG_1) || defined(PCI_CONFIG_2))
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#define PCI_CONFIG_1 1 /* default */
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#endif
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#ifdef PCI_CONFIG_1
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/* PCI Configuration Mechanism #1 */
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#define PCI_ADDR(bus, dev, fn) \
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(((pci_addr) (uint32_t) (bus) << 16 \
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| (uint32_t) (dev) << 11 \
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| (uint32_t) (fn) << 8))
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#define PCI_BUS(pcidev) ((uint8_t) ((pcidev) >> 16) & 0xff)
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#define PCI_DEV(pcidev) ((uint8_t) ((pcidev) >> 11) & 0x1f)
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#define PCI_FN(pcidev) ((uint8_t) ((pcidev) >> 8) & 7)
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#define PCI_CONFIG(dev) (arch->cfg_addr \
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+ (unsigned long)PCI_ADDR(PCI_BUS(dev), \
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PCI_DEV(dev), \
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PCI_FN(dev)))
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static inline uint8_t pci_config_read8(pci_addr dev, uint8_t reg)
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{
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uint8_t res;
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res = in_8((unsigned char*)(PCI_CONFIG(dev) + reg));
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return res;
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}
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static inline uint16_t pci_config_read16(pci_addr dev, uint8_t reg)
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{
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uint16_t res;
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res = in_be16((uint16_t *)(PCI_CONFIG(dev) + reg));
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return res;
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}
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static inline uint32_t pci_config_read32(pci_addr dev, uint8_t reg)
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{
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uint32_t res;
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res = in_be32((uint32_t *)(PCI_CONFIG(dev) + reg));
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return res;
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}
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static inline void pci_config_write8(pci_addr dev, uint8_t reg, uint8_t val)
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{
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out_8((unsigned char*)(PCI_CONFIG(dev) + reg), val);
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}
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static inline void pci_config_write16(pci_addr dev, uint8_t reg, uint16_t val)
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{
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out_be16((uint16_t *)(PCI_CONFIG(dev) + reg), val);
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}
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static inline void pci_config_write32(pci_addr dev, uint8_t reg, uint32_t val)
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{
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out_be32((uint32_t *)(PCI_CONFIG(dev) + reg), val);
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}
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#else /* !PCI_CONFIG_1 */
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#error PCI Configuration Mechanism is not specified or implemented
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#endif
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#endif /* SPARC64_PCI_H */
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