diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/pci/hotplug/pciehp.h | 7 | ||||
-rw-r--r-- | drivers/pci/hotplug/pciehp_pci.c | 132 |
2 files changed, 1 insertions, 138 deletions
diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h index 86cdfd71ed27..36faa9a8e18f 100644 --- a/drivers/pci/hotplug/pciehp.h +++ b/drivers/pci/hotplug/pciehp.h @@ -237,15 +237,8 @@ static inline int pciehp_get_hp_hw_control_from_firmware(struct pci_dev *dev) return retval; return pciehp_acpi_slot_detection_check(dev); } - -static inline int pciehp_get_hp_params_from_firmware(struct pci_dev *dev, - struct hotplug_params *hpp) -{ - return acpi_get_hp_params_from_firmware(dev, hpp); -} #else #define pciehp_firmware_init() do {} while (0) #define pciehp_get_hp_hw_control_from_firmware(dev) 0 -#define pciehp_get_hp_params_from_firmware(dev, hpp) (-ENODEV) #endif /* CONFIG_ACPI */ #endif /* _PCIEHP_H */ diff --git a/drivers/pci/hotplug/pciehp_pci.c b/drivers/pci/hotplug/pciehp_pci.c index af295d080a00..02e24d63b3ee 100644 --- a/drivers/pci/hotplug/pciehp_pci.c +++ b/drivers/pci/hotplug/pciehp_pci.c @@ -34,136 +34,6 @@ #include "../pci.h" #include "pciehp.h" -static void program_hpp_type0(struct pci_dev *dev, struct hpp_type0 *hpp) -{ - u16 pci_cmd, pci_bctl; - - if (hpp->revision > 1) { - warn("Rev.%d type0 record not supported\n", hpp->revision); - return; - } - - pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, hpp->cache_line_size); - pci_write_config_byte(dev, PCI_LATENCY_TIMER, hpp->latency_timer); - pci_read_config_word(dev, PCI_COMMAND, &pci_cmd); - if (hpp->enable_serr) - pci_cmd |= PCI_COMMAND_SERR; - else - pci_cmd &= ~PCI_COMMAND_SERR; - if (hpp->enable_perr) - pci_cmd |= PCI_COMMAND_PARITY; - else - pci_cmd &= ~PCI_COMMAND_PARITY; - pci_write_config_word(dev, PCI_COMMAND, pci_cmd); - - /* Program bridge control value */ - if ((dev->class >> 8) == PCI_CLASS_BRIDGE_PCI) { - pci_write_config_byte(dev, PCI_SEC_LATENCY_TIMER, - hpp->latency_timer); - pci_read_config_word(dev, PCI_BRIDGE_CONTROL, &pci_bctl); - if (hpp->enable_serr) - pci_bctl |= PCI_BRIDGE_CTL_SERR; - else - pci_bctl &= ~PCI_BRIDGE_CTL_SERR; - if (hpp->enable_perr) - pci_bctl |= PCI_BRIDGE_CTL_PARITY; - else - pci_bctl &= ~PCI_BRIDGE_CTL_PARITY; - pci_write_config_word(dev, PCI_BRIDGE_CONTROL, pci_bctl); - } -} - -static void program_hpp_type2(struct pci_dev *dev, struct hpp_type2 *hpp) -{ - int pos; - u16 reg16; - u32 reg32; - - if (hpp->revision > 1) { - warn("Rev.%d type2 record not supported\n", hpp->revision); - return; - } - - /* Find PCI Express capability */ - pos = pci_find_capability(dev, PCI_CAP_ID_EXP); - if (!pos) - return; - - /* Initialize Device Control Register */ - pci_read_config_word(dev, pos + PCI_EXP_DEVCTL, ®16); - reg16 = (reg16 & hpp->pci_exp_devctl_and) | hpp->pci_exp_devctl_or; - pci_write_config_word(dev, pos + PCI_EXP_DEVCTL, reg16); - - /* Initialize Link Control Register */ - if (dev->subordinate) { - pci_read_config_word(dev, pos + PCI_EXP_LNKCTL, ®16); - reg16 = (reg16 & hpp->pci_exp_lnkctl_and) - | hpp->pci_exp_lnkctl_or; - pci_write_config_word(dev, pos + PCI_EXP_LNKCTL, reg16); - } - - /* Find Advanced Error Reporting Enhanced Capability */ - pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR); - if (!pos) - return; - - /* Initialize Uncorrectable Error Mask Register */ - pci_read_config_dword(dev, pos + PCI_ERR_UNCOR_MASK, ®32); - reg32 = (reg32 & hpp->unc_err_mask_and) | hpp->unc_err_mask_or; - pci_write_config_dword(dev, pos + PCI_ERR_UNCOR_MASK, reg32); - - /* Initialize Uncorrectable Error Severity Register */ - pci_read_config_dword(dev, pos + PCI_ERR_UNCOR_SEVER, ®32); - reg32 = (reg32 & hpp->unc_err_sever_and) | hpp->unc_err_sever_or; - pci_write_config_dword(dev, pos + PCI_ERR_UNCOR_SEVER, reg32); - - /* Initialize Correctable Error Mask Register */ - pci_read_config_dword(dev, pos + PCI_ERR_COR_MASK, ®32); - reg32 = (reg32 & hpp->cor_err_mask_and) | hpp->cor_err_mask_or; - pci_write_config_dword(dev, pos + PCI_ERR_COR_MASK, reg32); - - /* Initialize Advanced Error Capabilities and Control Register */ - pci_read_config_dword(dev, pos + PCI_ERR_CAP, ®32); - reg32 = (reg32 & hpp->adv_err_cap_and) | hpp->adv_err_cap_or; - pci_write_config_dword(dev, pos + PCI_ERR_CAP, reg32); - - /* - * FIXME: The following two registers are not supported yet. - * - * o Secondary Uncorrectable Error Severity Register - * o Secondary Uncorrectable Error Mask Register - */ -} - -static void program_fw_provided_values(struct pci_dev *dev) -{ - struct pci_dev *cdev; - struct hotplug_params hpp; - - /* Program hpp values for this device */ - if (!(dev->hdr_type == PCI_HEADER_TYPE_NORMAL || - (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE && - (dev->class >> 8) == PCI_CLASS_BRIDGE_PCI))) - return; - - if (pciehp_get_hp_params_from_firmware(dev, &hpp)) { - warn("Could not get hotplug parameters\n"); - return; - } - - if (hpp.t2) - program_hpp_type2(dev, hpp.t2); - if (hpp.t0) - program_hpp_type0(dev, hpp.t0); - - /* Program child devices */ - if (dev->subordinate) { - list_for_each_entry(cdev, &dev->subordinate->devices, - bus_list) - program_fw_provided_values(cdev); - } -} - static int __ref pciehp_add_bridge(struct pci_dev *dev) { struct pci_bus *parent = dev->bus; @@ -226,7 +96,7 @@ int pciehp_configure_device(struct slot *p_slot) (dev->hdr_type == PCI_HEADER_TYPE_CARDBUS)) { pciehp_add_bridge(dev); } - program_fw_provided_values(dev); + pci_configure_slot(dev); pci_dev_put(dev); } |