1 /* Copyright 2017 IBM Corp.
2  * Copyright 2018-2019 Raptor Engineering, LLC
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
13  * implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 
18 #include <skiboot.h>
19 #include <device.h>
20 #include <console.h>
21 #include <chip.h>
22 #include <ipmi.h>
23 #include <psi.h>
24 #include <npu-regs.h>
25 
26 #include "astbmc.h"
27 
28 ST_PLUGGABLE(talos_cpu1_slot1, "CPU1 Slot1 (8x)");
29 ST_PLUGGABLE(talos_cpu1_slot2, "CPU1 Slot2 (16x)");
30 
31 ST_PLUGGABLE(talos_cpu2_slot1, "CPU2 Slot1 (16x)");
32 ST_PLUGGABLE(talos_cpu2_slot2, "CPU2 Slot2 (16x)");
33 ST_PLUGGABLE(talos_cpu2_slot3, "CPU2 Slot3 (8x)");
34 
35 ST_BUILTIN_DEV(talos_builtin_raid, "Builtin SAS");
36 ST_BUILTIN_DEV(talos_builtin_usb, "Builtin USB");
37 ST_BUILTIN_DEV(talos_builtin_ethernet, "Builtin Ethernet");
38 ST_BUILTIN_DEV(talos_builtin_bmc, "BMC");
39 
40 static const struct slot_table_entry talos_phb_table[] = {
41 	ST_PHB_ENTRY(0, 0, talos_cpu1_slot2),
42 	ST_PHB_ENTRY(0, 1, talos_cpu1_slot1),
43 
44 	ST_PHB_ENTRY(0, 2, talos_builtin_raid),
45 	ST_PHB_ENTRY(0, 3, talos_builtin_usb),
46 	ST_PHB_ENTRY(0, 4, talos_builtin_ethernet),
47 	ST_PHB_ENTRY(0, 5, talos_builtin_bmc),
48 
49 	ST_PHB_ENTRY(8, 0, talos_cpu2_slot2), // might be swapped with 3
50 	ST_PHB_ENTRY(8, 1, talos_cpu2_slot3), // might be PHB1 or 2
51 	ST_PHB_ENTRY(8, 3, talos_cpu2_slot1),
52 
53 	{ .etype = st_end },
54 };
55 
talos_probe(void)56 static bool talos_probe(void)
57 {
58 	if (!dt_node_is_compatible(dt_root, "rcs,talos"))
59 		return false;
60 
61 	/* Lot of common early inits here */
62 	astbmc_early_init();
63 
64 	/* Setup UART for use by OPAL (Linux hvc) */
65 	uart_set_console_policy(UART_CONSOLE_OPAL);
66 
67 	slot_table_init(talos_phb_table);
68 
69 	return true;
70 }
71 
72 DECLARE_PLATFORM(talos) = {
73 	.name			= "Talos",
74 	.probe			= talos_probe,
75 	.init			= astbmc_init,
76 	.start_preload_resource	= flash_start_preload_resource,
77 	.resource_loaded	= flash_resource_loaded,
78 	.bmc			= &bmc_plat_ast2500_openbmc,
79 	.pci_get_slot_info	= slot_table_get_slot_info,
80 	.pci_probe_complete	= check_all_slot_table,
81 	.cec_power_down         = astbmc_ipmi_power_down,
82 	.cec_reboot             = astbmc_ipmi_reboot,
83 	.elog_commit		= ipmi_elog_commit,
84 	.exit			= astbmc_exit,
85 	.terminate		= ipmi_terminate,
86 	.op_display		= op_display_lpc,
87 };
88