1 // SPDX-License-Identifier: GPL-2.0+ 2 3 #include <linux/module.h> 4 #include <asm/hardware.h> /* for register_parisc_driver() stuff */ 5 #include <asm/parisc-device.h> 6 #include "ipmi_si.h" 7 8 static bool parisc_registered; 9 10 static int __init ipmi_parisc_probe(struct parisc_device *dev) 11 { 12 struct si_sm_io io; 13 14 memset(&io, 0, sizeof(io)); 15 16 io.si_type = SI_KCS; 17 io.addr_source = SI_DEVICETREE; 18 io.addr_space = IPMI_MEM_ADDR_SPACE; 19 io.addr_data = dev->hpa.start; 20 io.regsize = 1; 21 io.regspacing = 1; 22 io.regshift = 0; 23 io.irq = 0; /* no interrupt */ 24 io.irq_setup = NULL; 25 io.dev = &dev->dev; 26 27 dev_dbg(&dev->dev, "addr 0x%lx\n", io.addr_data); 28 29 return ipmi_si_add_smi(&io); 30 } 31 32 static int __exit ipmi_parisc_remove(struct parisc_device *dev) 33 { 34 return ipmi_si_remove_by_dev(&dev->dev); 35 } 36 37 static const struct parisc_device_id ipmi_parisc_tbl[] __initconst = { 38 { HPHW_MC, HVERSION_REV_ANY_ID, 0x004, 0xC0 }, 39 { 0, } 40 }; 41 42 MODULE_DEVICE_TABLE(parisc, ipmi_parisc_tbl); 43 44 static struct parisc_driver ipmi_parisc_driver __refdata = { 45 .name = "ipmi", 46 .id_table = ipmi_parisc_tbl, 47 .probe = ipmi_parisc_probe, 48 .remove = __exit_p(ipmi_parisc_remove), 49 }; 50 51 void ipmi_si_parisc_init(void) 52 { 53 register_parisc_driver(&ipmi_parisc_driver); 54 parisc_registered = true; 55 } 56 57 void ipmi_si_parisc_shutdown(void) 58 { 59 if (parisc_registered) 60 unregister_parisc_driver(&ipmi_parisc_driver); 61 } 62