Return to pci.h CVS log

Up to [Qemu by Fabrice Bellard] / qemu / roms / openbios / include / arch / ppc

Annotation of qemu/roms/openbios/include/arch/ppc/pci.h, revision 1.1

1.1     ! root        1: #ifndef PPC_PCI_H
        !             2: #define PPC_PCI_H
        !             3: 
        !             4: #include "asm/io.h"
        !             5: 
        !             6: #if !(defined(PCI_CONFIG_1) || defined(PCI_CONFIG_2))
        !             7: #define PCI_CONFIG_1 1 /* default */
        !             8: #endif
        !             9: 
        !            10: #ifdef PCI_CONFIG_1
        !            11: 
        !            12: /* PCI Configuration Mechanism #1 */
        !            13: 
        !            14: #define PCI_ADDR(bus, dev, fn) \
        !            15:     ((pci_addr) (arch->cfg_base \
        !            16:                | (uint32_t) (bus) << 16 \
        !            17:                | (uint32_t) (dev) << 11 \
        !            18:                | (uint32_t) (fn) << 8))
        !            19: 
        !            20: #define PCI_BUS(pcidev) ((uint8_t) ((pcidev) >> 16))
        !            21: #define PCI_DEV(pcidev) ((uint8_t) ((pcidev) >> 11) & 0x1f)
        !            22: #define PCI_FN(pcidev) ((uint8_t) ((pcidev) >> 8) & 7)
        !            23: 
        !            24: static inline uint8_t pci_config_read8(pci_addr dev, uint8_t reg)
        !            25: {
        !            26:        uint8_t res;
        !            27:        out_le32((unsigned *)arch->cfg_addr, dev | (reg & ~3));
        !            28:        res = in_8((unsigned char*)(arch->cfg_data + (reg & 3)));
        !            29:        return res;
        !            30: }
        !            31: 
        !            32: static inline uint16_t pci_config_read16(pci_addr dev, uint8_t reg)
        !            33: {
        !            34:        uint16_t res;
        !            35:        out_le32((unsigned *)arch->cfg_addr, dev | (reg & ~3));
        !            36:        res = in_le16((unsigned short*)(arch->cfg_data + (reg & 2)));
        !            37:        return res;
        !            38: }
        !            39: 
        !            40: static inline uint32_t pci_config_read32(pci_addr dev, uint8_t reg)
        !            41: {
        !            42:        uint32_t res;
        !            43:        out_le32((unsigned *)arch->cfg_addr, dev | reg);
        !            44:        res = in_le32((unsigned *)(arch->cfg_data + reg));
        !            45:        return res;
        !            46: }
        !            47: 
        !            48: static inline void pci_config_write8(pci_addr dev, uint8_t reg, uint8_t val)
        !            49: {
        !            50:        out_le32((unsigned *)arch->cfg_addr, dev | (reg & ~3));
        !            51:        out_8((unsigned char*)(arch->cfg_data + (reg & 3)), val);
        !            52: }
        !            53: 
        !            54: static inline void pci_config_write16(pci_addr dev, uint8_t reg, uint16_t val)
        !            55: {
        !            56:        out_le32((unsigned *)arch->cfg_addr, dev | (reg & ~3));
        !            57:        out_le16((unsigned short *)(arch->cfg_data + (reg & 2)), val);
        !            58: }
        !            59: 
        !            60: static inline void pci_config_write32(pci_addr dev, uint8_t reg, uint32_t val)
        !            61: {
        !            62:        out_le32((unsigned *)arch->cfg_addr, dev | reg);
        !            63:        out_le32((unsigned *)(arch->cfg_data + reg), val);
        !            64: }
        !            65: #else /* !PCI_CONFIG_1 */
        !            66: #error PCI Configuration Mechanism is not specified or implemented
        !            67: #endif
        !            68: 
        !            69: #endif /* PPC_PCI_H */

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.