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
ipmi_parisc_probe(struct parisc_device * dev)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
ipmi_parisc_remove(struct parisc_device * dev)32 static void __exit ipmi_parisc_remove(struct parisc_device *dev)
33 {
34 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
ipmi_si_parisc_init(void)51 void ipmi_si_parisc_init(void)
52 {
53 register_parisc_driver(&ipmi_parisc_driver);
54 parisc_registered = true;
55 }
56
ipmi_si_parisc_shutdown(void)57 void ipmi_si_parisc_shutdown(void)
58 {
59 if (parisc_registered)
60 unregister_parisc_driver(&ipmi_parisc_driver);
61 }
62