/* * Copyright (C) ADMtek Incorporated. * Copyright (C) 2005 Jeroen Vreeken (pe1rxq@amsat.org) */ #include #include #include #include #include volatile u32* pci_config_address_reg = (volatile u32*)KSEG1ADDR(0x115ffff0); volatile u32* pci_config_data_reg = (volatile u32*)KSEG1ADDR(0x115ffff8); #define PCI_ENABLE 0x80000000 static int pci_config_read(struct pci_bus *bus, unsigned int devfn, int where, int size, uint32_t *val) { *pci_config_address_reg = ((bus->number & 0xff) << 0x10) | ((devfn & 0xff) << 0x08) | (where & 0xfc) | PCI_ENABLE; switch (size) { case 1: *val = ((*pci_config_data_reg)>>((where&3)<<3))&0xff; break; case 2: *val = ((*pci_config_data_reg)>>((where&3)<<3))&0xffff; break; default: *val = (*pci_config_data_reg); } return PCIBIOS_SUCCESSFUL; } static int pci_config_write(struct pci_bus *bus, unsigned int devfn, int where, int size, uint32_t val) { *pci_config_address_reg = ((bus->number & 0xff) << 0x10) | ((devfn & 0xff) << 0x08) | (where & 0xfc) | PCI_ENABLE; switch (size) { case 1: *(volatile u8 *)(((int)pci_config_data_reg) + (where & 3)) = val; break; case 2: *(volatile u16 *)(((int)pci_config_data_reg) + (where & 2)) = (val); break; default: *pci_config_data_reg = (val); } return PCIBIOS_SUCCESSFUL; } struct pci_ops adm5120_pci_ops = { .read = pci_config_read, .write = pci_config_write, }; /leo/keymap.c?id=32952d8624f1228a865b9636ad546ea32822abda'>treecommit diff stats

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