void __cpuinit set_firmware_width_unlocked(void) { int ret; ret = mem_pdc_call(PDC_MODEL, PDC_MODEL_CAPABILITIES, __pa(pdc_result), 0); convert_to_wide(pdc_result); if (pdc_result[0] != NARROW_FIRMWARE) parisc_narrow_firmware = 0; }
/** * pdc_model_info - Return model information about the processor. * @model: The return buffer. * * Returns the version numbers, identifiers, and capabilities from the processor module. */ int pdc_model_info(struct pdc_model *model) { int retval; spin_lock_irq(&pdc_lock); retval = mem_pdc_call(PDC_MODEL, PDC_MODEL_INFO, __pa(pdc_result), 0); convert_to_wide(pdc_result); memcpy(model, pdc_result, sizeof(*model)); spin_unlock_irq(&pdc_lock); return retval; }
/** * pdc_cache_info - Return cache and TLB information. * @cache_info: The return buffer. * * Returns information about the processor's cache and TLB. */ int pdc_cache_info(struct pdc_cache_info *cache_info) { int retval; spin_lock_irq(&pdc_lock); retval = mem_pdc_call(PDC_CACHE, PDC_CACHE_INFO, __pa(pdc_result), 0); convert_to_wide(pdc_result); memcpy(cache_info, pdc_result, sizeof(*cache_info)); spin_unlock_irq(&pdc_lock); return retval; }
/** * pdc_tod_read - Read the Time-Of-Day clock. * @tod: The return buffer: * * Read the Time-Of-Day clock */ int pdc_tod_read(struct pdc_tod *tod) { int retval; spin_lock_irq(&pdc_lock); retval = mem_pdc_call(PDC_TOD, PDC_TOD_READ, __pa(pdc_result), 0); convert_to_wide(pdc_result); memcpy(tod, pdc_result, sizeof(*tod)); spin_unlock_irq(&pdc_lock); return retval; }
/** * pdc_model_versions - Identify the version number of each processor. * @cpu_id: The return buffer. * @id: The id of the processor to check. * * Returns the version number for each processor component. * * This comment was here before, but I do not know what it means :( -RB * id: 0 = cpu revision, 1 = boot-rom-version */ int pdc_model_versions(unsigned long *versions, int id) { int retval; spin_lock_irq(&pdc_lock); retval = mem_pdc_call(PDC_MODEL, PDC_MODEL_VERSIONS, __pa(pdc_result), id); convert_to_wide(pdc_result); *versions = pdc_result[0]; spin_unlock_irq(&pdc_lock); return retval; }
/** * pdc_stable_write - Write data to Stable Storage. * @staddr: Stable Storage address to access. * @memaddr: The memory address where Stable Storage data shall be read from. * @count: number of bytes to transfert. count is multiple of 4. * * This PDC call reads count bytes from the supplied memaddr address, * and copies count bytes to the Stable Storage address staddr. * The call will fail if staddr+count > PDC_STABLE size. */ int pdc_stable_write(unsigned long staddr, void *memaddr, unsigned long count) { int retval; spin_lock_irq(&pdc_lock); memcpy(pdc_result, memaddr, count); convert_to_wide(pdc_result); retval = mem_pdc_call(PDC_STABLE, PDC_STABLE_WRITE, staddr, __pa(pdc_result), count); spin_unlock_irq(&pdc_lock); return retval; }
/** * pdc_tod_read - Read the Time-Of-Day clock. * @tod: The return buffer: * * Read the Time-Of-Day clock */ int pdc_tod_read(struct pdc_tod *tod) { int retval; unsigned long flags; spin_lock_irqsave(&pdc_lock, flags); retval = mem_pdc_call(PDC_TOD, PDC_TOD_READ, __pa(pdc_result), 0); convert_to_wide(pdc_result); memcpy(tod, pdc_result, sizeof(*tod)); spin_unlock_irqrestore(&pdc_lock, flags); return retval; }
int __cpuinit pdc_coproc_cfg_unlocked(struct pdc_coproc_cfg *pdc_coproc_info) { int ret; ret = mem_pdc_call(PDC_COPROC, PDC_COPROC_CFG, __pa(pdc_result)); convert_to_wide(pdc_result); pdc_coproc_info->ccr_functional = pdc_result[0]; pdc_coproc_info->ccr_present = pdc_result[1]; pdc_coproc_info->revision = pdc_result[17]; pdc_coproc_info->model = pdc_result[18]; return ret; }
/** * pdc_model_info - Return model information about the processor. * @model: The return buffer. * * Returns the version numbers, identifiers, and capabilities from the processor module. */ int pdc_model_info(struct pdc_model *model) { int retval; unsigned long flags; spin_lock_irqsave(&pdc_lock, flags); retval = mem_pdc_call(PDC_MODEL, PDC_MODEL_INFO, __pa(pdc_result), 0); convert_to_wide(pdc_result); memcpy(model, pdc_result, sizeof(*model)); spin_unlock_irqrestore(&pdc_lock, flags); return retval; }
/** * pdc_pci_irt_size - Get the number of entries in the interrupt routing table. * @num_entries: The return value. * @hpa: The HPA for the device. * * This PDC function returns the number of entries in the specified cell's * interrupt table. * Similar to PDC_PAT stuff - but added for Forte/Allegro boxes */ int pdc_pci_irt_size(unsigned long *num_entries, unsigned long hpa) { int retval; spin_lock_irq(&pdc_lock); retval = mem_pdc_call(PDC_PCI_INDEX, PDC_PCI_GET_INT_TBL_SIZE, __pa(pdc_result), hpa); convert_to_wide(pdc_result); *num_entries = pdc_result[0]; spin_unlock_irq(&pdc_lock); return retval; }
/** * pdc_spaceid_bits - Return whether Space ID hashing is turned on. * @space_bits: Should be 0, if not, bad mojo! * * Returns information about Space ID hashing. */ int pdc_spaceid_bits(unsigned long *space_bits) { int retval; spin_lock_irq(&pdc_lock); pdc_result[0] = 0; retval = mem_pdc_call(PDC_CACHE, PDC_CACHE_RET_SPID, __pa(pdc_result), 0); convert_to_wide(pdc_result); *space_bits = pdc_result[0]; spin_unlock_irq(&pdc_lock); return retval; }
/** * pdc_cache_info - Return cache and TLB information. * @cache_info: The return buffer. * * Returns information about the processor's cache and TLB. */ int pdc_cache_info(struct pdc_cache_info *cache_info) { int retval; unsigned long flags; spin_lock_irqsave(&pdc_lock, flags); retval = mem_pdc_call(PDC_CACHE, PDC_CACHE_INFO, __pa(pdc_result), 0); convert_to_wide(pdc_result); memcpy(cache_info, pdc_result, sizeof(*cache_info)); spin_unlock_irqrestore(&pdc_lock, flags); return retval; }
/** * pdc_model_capabilities - Returns the platform capabilities. * @capabilities: The return buffer. * * Returns information about platform support for 32- and/or 64-bit * OSes, IO-PDIR coherency, and virtual aliasing. */ int pdc_model_capabilities(unsigned long *capabilities) { int retval; spin_lock_irq(&pdc_lock); pdc_result[0] = 0; /* preset zero (call may not be implemented!) */ retval = mem_pdc_call(PDC_MODEL, PDC_MODEL_CAPABILITIES, __pa(pdc_result), 0); convert_to_wide(pdc_result); *capabilities = pdc_result[0]; spin_unlock_irq(&pdc_lock); return retval; }
/** * pdc_model_cpuid - Returns the CPU_ID. * @cpu_id: The return buffer. * * Returns the CPU_ID value which uniquely identifies the cpu portion of * the processor module. */ int pdc_model_cpuid(unsigned long *cpu_id) { int retval; spin_lock_irq(&pdc_lock); pdc_result[0] = 0; /* preset zero (call may not be implemented!) */ retval = mem_pdc_call(PDC_MODEL, PDC_MODEL_CPU_ID, __pa(pdc_result), 0); convert_to_wide(pdc_result); *cpu_id = pdc_result[0]; spin_unlock_irq(&pdc_lock); return retval; }
/** * set_firmware_width - Determine if the firmware is wide or narrow. * * This function must be called before any pdc_* function that uses the convert_to_wide * function. */ void __init set_firmware_width(void) { #ifdef __LP64__ int retval; spin_lock_irq(&pdc_lock); retval = mem_pdc_call(PDC_MODEL, PDC_MODEL_CAPABILITIES, __pa(pdc_result), 0); convert_to_wide(pdc_result); if(pdc_result[0] != NARROW_FIRMWARE) parisc_narrow_firmware = 0; spin_unlock_irq(&pdc_lock); #endif }
int pdc_mem_mem_table(struct pdc_memory_table_raddr *r_addr, struct pdc_memory_table *tbl, unsigned long entries) { int retval; spin_lock_irq(&pdc_lock); retval = mem_pdc_call(PDC_MEM, PDC_MEM_TABLE, __pa(pdc_result), __pa(pdc_result2), entries); convert_to_wide(pdc_result); memcpy(r_addr, pdc_result, sizeof(*r_addr)); memcpy(tbl, pdc_result2, entries * sizeof(*tbl)); spin_unlock_irq(&pdc_lock); return retval; }
/** * pdc_stable_read - Read data from Stable Storage. * @staddr: Stable Storage address to access. * @memaddr: The memory address where Stable Storage data shall be copied. * @count: number of bytes to transfer. count is multiple of 4. * * This PDC call reads from the Stable Storage address supplied in staddr * and copies count bytes to the memory address memaddr. * The call will fail if staddr+count > PDC_STABLE size. */ int pdc_stable_read(unsigned long staddr, void *memaddr, unsigned long count) { int retval; unsigned long flags; spin_lock_irqsave(&pdc_lock, flags); retval = mem_pdc_call(PDC_STABLE, PDC_STABLE_READ, staddr, __pa(pdc_result), count); convert_to_wide(pdc_result); memcpy(memaddr, pdc_result, count); spin_unlock_irqrestore(&pdc_lock, flags); return retval; }
/** * pdc_system_map_find_addrs - Retrieve additional address ranges. * @pdc_addr_info: Return buffer address. * @mod_index: Fixed address module index. * @addr_index: Address range index. * * Retrieve additional information about subsequent address ranges for modules * with multiple address ranges. */ int pdc_system_map_find_addrs(struct pdc_system_map_addr_info *pdc_addr_info, long mod_index, long addr_index) { int retval; spin_lock_irq(&pdc_lock); retval = mem_pdc_call(PDC_SYSTEM_MAP, PDC_FIND_ADDRESS, __pa(pdc_result), mod_index, addr_index); convert_to_wide(pdc_result); memcpy(pdc_addr_info, pdc_result, sizeof(*pdc_addr_info)); spin_unlock_irq(&pdc_lock); pdc_addr_info->mod_addr = f_extend(pdc_addr_info->mod_addr); return retval; }
/** * pdc_coproc_cfg - To identify coprocessors attached to the processor. * @pdc_coproc_info: Return buffer address. * * This PDC call returns the presence and status of all the coprocessors * attached to the processor. */ int __init pdc_coproc_cfg(struct pdc_coproc_cfg *pdc_coproc_info) { int retval; spin_lock_irq(&pdc_lock); retval = mem_pdc_call(PDC_COPROC, PDC_COPROC_CFG, __pa(pdc_result)); convert_to_wide(pdc_result); pdc_coproc_info->ccr_functional = pdc_result[0]; pdc_coproc_info->ccr_present = pdc_result[1]; pdc_coproc_info->revision = pdc_result[17]; pdc_coproc_info->model = pdc_result[18]; spin_unlock_irq(&pdc_lock); return retval; }
/** * pdc_iodc_read - Read data from the modules IODC. * @actcnt: The actual number of bytes. * @hpa: The HPA of the module for the iodc read. * @index: The iodc entry point. * @iodc_data: A buffer memory for the iodc options. * @iodc_data_size: Size of the memory buffer. * * This PDC call reads from the IODC of the module specified by the hpa * argument. */ int pdc_iodc_read(unsigned long *actcnt, unsigned long hpa, unsigned int index, void *iodc_data, unsigned int iodc_data_size) { int retval; spin_lock_irq(&pdc_lock); retval = mem_pdc_call(PDC_IODC, PDC_IODC_READ, __pa(pdc_result), hpa, index, __pa(pdc_result2), iodc_data_size); convert_to_wide(pdc_result); *actcnt = pdc_result[0]; memcpy(iodc_data, pdc_result2, iodc_data_size); spin_unlock_irq(&pdc_lock); return retval; }
/** * pdc_system_map_find_mods - Locate unarchitected modules. * @pdc_mod_info: Return buffer address. * @mod_path: pointer to dev path structure. * @mod_index: fixed address module index. * * To locate and identify modules which reside at fixed I/O addresses, which * do not self-identify via architected bus walks. */ int pdc_system_map_find_mods(struct pdc_system_map_mod_info *pdc_mod_info, struct pdc_module_path *mod_path, long mod_index) { int retval; spin_lock_irq(&pdc_lock); retval = mem_pdc_call(PDC_SYSTEM_MAP, PDC_FIND_MODULE, __pa(pdc_result), __pa(pdc_result2), mod_index); convert_to_wide(pdc_result); memcpy(pdc_mod_info, pdc_result, sizeof(*pdc_mod_info)); memcpy(mod_path, pdc_result2, sizeof(*mod_path)); spin_unlock_irq(&pdc_lock); pdc_mod_info->mod_addr = f_extend(pdc_mod_info->mod_addr); return retval; }
/* * pdc_soft_power_info - Enable soft power switch. * @power_reg: address of soft power register * * Return the absolute address of the soft power switch register */ int __init pdc_soft_power_info(unsigned long *power_reg) { int retval; *power_reg = (unsigned long) (-1); spin_lock_irq(&pdc_lock); retval = mem_pdc_call(PDC_SOFT_POWER, PDC_SOFT_POWER_INFO, __pa(pdc_result), 0); if (retval == PDC_OK) { convert_to_wide(pdc_result); *power_reg = f_extend(pdc_result[0]); } spin_unlock_irq(&pdc_lock); return retval; }
/** * pdc_model_sysmodel - Get the system model name. * @name: A char array of at least 81 characters. * * Get system model name from PDC ROM (e.g. 9000/715 or 9000/778/B160L). * Using OS_ID_HPUX will return the equivalent of the 'modelname' command * on HP/UX. */ int pdc_model_sysmodel(char *name) { int retval; spin_lock_irq(&pdc_lock); retval = mem_pdc_call(PDC_MODEL, PDC_MODEL_SYSMODEL, __pa(pdc_result), OS_ID_HPUX, __pa(name)); convert_to_wide(pdc_result); if (retval == PDC_OK) { name[pdc_result[0]] = '\0'; /* add trailing '\0' */ } else { name[0] = 0; } spin_unlock_irq(&pdc_lock); return retval; }
/** * pdc_model_capabilities - Returns the platform capabilities. * @capabilities: The return buffer. * * Returns information about platform support for 32- and/or 64-bit * OSes, IO-PDIR coherency, and virtual aliasing. */ int pdc_model_capabilities(unsigned long *capabilities) { int retval; unsigned long flags; spin_lock_irqsave(&pdc_lock, flags); pdc_result[0] = 0; /* preset zero (call may not be implemented!) */ retval = mem_pdc_call(PDC_MODEL, PDC_MODEL_CAPABILITIES, __pa(pdc_result), 0); convert_to_wide(pdc_result); if (retval == PDC_OK) { *capabilities = pdc_result[0]; } else { *capabilities = PDC_MODEL_OS32; } spin_unlock_irqrestore(&pdc_lock, flags); return retval; }