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: &io); |
30 | } |
31 | |
32 | static void __exit ipmi_parisc_remove(struct parisc_device *dev) |
33 | { |
34 | ipmi_si_remove_by_dev(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 | |