diff options
Diffstat (limited to 'arch/parisc/kernel/firmware.c')
| -rw-r--r-- | arch/parisc/kernel/firmware.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/parisc/kernel/firmware.c b/arch/parisc/kernel/firmware.c index 526ed90ca56f..f622a311d04a 100644 --- a/arch/parisc/kernel/firmware.c +++ b/arch/parisc/kernel/firmware.c @@ -1498,6 +1498,31 @@ int pdc_pat_mem_read_pd_pdt(struct pdc_pat_mem_read_pd_retinfo *pret, return retval; } + +/** + * pdc_pat_mem_get_dimm_phys_location - Get physical DIMM slot via PAT firmware + * @pret: ptr to hold returned information + * @phys_addr: physical address to examine + * + */ +int pdc_pat_mem_get_dimm_phys_location( + struct pdc_pat_mem_phys_mem_location *pret, + unsigned long phys_addr) +{ + int retval; + unsigned long flags; + + spin_lock_irqsave(&pdc_lock, flags); + retval = mem_pdc_call(PDC_PAT_MEM, PDC_PAT_MEM_ADDRESS, + __pa(&pdc_result), phys_addr); + + if (retval == PDC_OK) + memcpy(pret, &pdc_result, sizeof(*pret)); + + spin_unlock_irqrestore(&pdc_lock, flags); + + return retval; +} #endif /* CONFIG_64BIT */ |