1 /* Copyright 2013-2014 IBM Corp.
2 *
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
12 * implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <skiboot.h>
18 #include <console.h>
19 #include <device.h>
20 #include <ipmi.h>
21
22 #include <platforms/astbmc/astbmc.h>
23
24 static bool bt_device_present;
25
qemu_probe_common(const char * compat)26 static bool qemu_probe_common(const char *compat)
27 {
28 struct dt_node *n;
29
30 if (!dt_node_is_compatible(dt_root, compat))
31 return false;
32
33 astbmc_early_init();
34
35 /* check if the BT device was defined by QEMU */
36 dt_for_each_compatible(dt_root, n, "bt") {
37 bt_device_present = true;
38 }
39
40 return true;
41 }
42
qemu_probe(void)43 static bool qemu_probe(void)
44 {
45 return qemu_probe_common("qemu,powernv");
46 }
47
qemu_probe_powernv8(void)48 static bool qemu_probe_powernv8(void)
49 {
50 return qemu_probe_common("qemu,powernv8");
51 }
52
qemu_probe_powernv9(void)53 static bool qemu_probe_powernv9(void)
54 {
55 return qemu_probe_common("qemu,powernv9");
56 }
57
qemu_init(void)58 static void qemu_init(void)
59 {
60 if (!bt_device_present) {
61 set_opal_console(&uart_opal_con);
62 } else {
63 astbmc_init();
64 }
65 }
66
67 DECLARE_PLATFORM(qemu) = {
68 .name = "QEMU",
69 .probe = qemu_probe,
70 .init = qemu_init,
71 .external_irq = astbmc_ext_irq_serirq_cpld,
72 .cec_power_down = astbmc_ipmi_power_down,
73 .cec_reboot = astbmc_ipmi_reboot,
74 .start_preload_resource = flash_start_preload_resource,
75 .resource_loaded = flash_resource_loaded,
76 .terminate = ipmi_terminate,
77 };
78
79 /*
80 * For a QEMU PowerNV machine using POWER8 CPUs (Palmetto)
81 */
82 DECLARE_PLATFORM(qemu_powernv8) = {
83 .name = "QEMU POWER8",
84 .probe = qemu_probe_powernv8,
85 .bmc = &bmc_plat_ast2400_ami,
86 .init = qemu_init,
87 .external_irq = astbmc_ext_irq_serirq_cpld,
88 .cec_power_down = astbmc_ipmi_power_down,
89 .cec_reboot = astbmc_ipmi_reboot,
90 .start_preload_resource = flash_start_preload_resource,
91 .resource_loaded = flash_resource_loaded,
92 .exit = astbmc_exit,
93 .terminate = ipmi_terminate,
94 };
95
96 /*
97 * For a QEMU PowerNV machine using POWER9 CPUs (Witherspoon)
98 */
99 DECLARE_PLATFORM(qemu_powernv9) = {
100 .name = "QEMU POWER9",
101 .probe = qemu_probe_powernv9,
102 .bmc = &bmc_plat_ast2500_openbmc,
103 .init = qemu_init,
104 .external_irq = astbmc_ext_irq_serirq_cpld,
105 .cec_power_down = astbmc_ipmi_power_down,
106 .cec_reboot = astbmc_ipmi_reboot,
107 .start_preload_resource = flash_start_preload_resource,
108 .resource_loaded = flash_resource_loaded,
109 .exit = astbmc_exit,
110 .terminate = ipmi_terminate,
111 };
112