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1 /*
2 * Facebook fby35
3 *
4 * Copyright 2016 IBM Corp.
5 *
6 * SPDX-License-Identifier: GPL-2.0-or-later
7 */
8
9 #include "qemu/osdep.h"
10 #include "qapi/error.h"
11 #include "hw/arm/machines-qom.h"
12 #include "hw/arm/aspeed.h"
13 #include "hw/arm/aspeed_soc.h"
14 #include "hw/nvram/eeprom_at24c.h"
15 #include "hw/sensor/tmp105.h"
16 #include "system/reset.h"
17
18 #define TYPE_LM75 TYPE_TMP105
19 #define TYPE_TMP421 "tmp421"
20 #define FBY35_BMC_RAM_SIZE ASPEED_RAM_SIZE(2 * GiB)
21
22 static const uint8_t fby35_nic_fruid[] = {
23 0x01, 0x00, 0x00, 0x01, 0x0f, 0x20, 0x00, 0xcf, 0x01, 0x0e, 0x19, 0xd7,
24 0x5e, 0xcf, 0xc8, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xdd,
25 0x4d, 0x65, 0x6c, 0x6c, 0x61, 0x6e, 0x6f, 0x78, 0x20, 0x43, 0x6f, 0x6e,
26 0x6e, 0x65, 0x63, 0x74, 0x58, 0x2d, 0x36, 0x20, 0x44, 0x58, 0x20, 0x4f,
27 0x43, 0x50, 0x33, 0x2e, 0x30, 0xd8, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
28 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
29 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xd5, 0x58, 0x58, 0x58, 0x58, 0x58,
30 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
31 0x58, 0x58, 0x58, 0x58, 0xcc, 0x46, 0x52, 0x55, 0x20, 0x56, 0x65, 0x72,
32 0x20, 0x30, 0x2e, 0x30, 0x32, 0xc0, 0xc0, 0xc0, 0xc1, 0x00, 0x00, 0x2f,
33 0x01, 0x11, 0x19, 0xc8, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
34 0xdd, 0x4d, 0x65, 0x6c, 0x6c, 0x61, 0x6e, 0x6f, 0x78, 0x20, 0x43, 0x6f,
35 0x6e, 0x6e, 0x65, 0x63, 0x74, 0x58, 0x2d, 0x36, 0x20, 0x44, 0x58, 0x20,
36 0x4f, 0x43, 0x50, 0x33, 0x2e, 0x30, 0xd5, 0x58, 0x58, 0x58, 0x58, 0x58,
37 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
38 0x58, 0x58, 0x58, 0x58, 0xd3, 0x41, 0x39, 0x20, 0x20, 0x20, 0x20, 0x20,
39 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
40 0xd8, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
41 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
42 0x58, 0xc0, 0xc0, 0xc0, 0xc0, 0xcd, 0x43, 0x6f, 0x6e, 0x6e, 0x65, 0x63,
43 0x74, 0x58, 0x2d, 0x36, 0x20, 0x44, 0x58, 0xc1, 0x00, 0x00, 0x00, 0x00,
44 0x00, 0x00, 0x00, 0xdb, 0xc0, 0x82, 0x30, 0x15, 0x79, 0x7f, 0xa6, 0x00,
45 0x01, 0x18, 0x0b, 0xff, 0x08, 0x00, 0xff, 0xff, 0x64, 0x00, 0x00, 0x00,
46 0x00, 0x03, 0x20, 0x01, 0xff, 0xff, 0x04, 0x46, 0x00, 0xff, 0xff, 0xff,
47 0xff, 0xff, 0xff, 0xff, 0x01, 0x81, 0x09, 0x15, 0xb3, 0x10, 0x1d, 0x00,
48 0x24, 0x15, 0xb3, 0x00, 0x02, 0xeb, 0x8a, 0x95, 0x5c,
49 };
50 static const size_t fby35_nic_fruid_len = sizeof(fby35_nic_fruid);
51
52 static const uint8_t fby35_bb_fruid[] = {
53 0x01, 0x00, 0x01, 0x03, 0x10, 0x00, 0x00, 0xeb, 0x01, 0x02, 0x17, 0xc3,
54 0x4e, 0x2f, 0x41, 0xc3, 0x4e, 0x2f, 0x41, 0xc1, 0x00, 0x00, 0x00, 0x23,
55 0x01, 0x0d, 0x00, 0xb6, 0xd2, 0xd0, 0xc6, 0x58, 0x58, 0x58, 0x58, 0x58,
56 0x58, 0xd5, 0x4d, 0x61, 0x6e, 0x61, 0x67, 0x65, 0x6d, 0x65, 0x6e, 0x74,
57 0x20, 0x42, 0x6f, 0x61, 0x72, 0x64, 0x20, 0x77, 0x42, 0x4d, 0x43, 0xcd,
58 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
59 0x58, 0xce, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
60 0x58, 0x58, 0x58, 0x58, 0xc3, 0x31, 0x2e, 0x30, 0xc9, 0x58, 0x58, 0x58,
61 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xd2, 0x58, 0x58, 0x58, 0x58, 0x58,
62 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
63 0x58, 0xc1, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa8, 0x01, 0x0c, 0x00, 0xc6,
64 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xd2, 0x59, 0x6f, 0x73, 0x65, 0x6d,
65 0x69, 0x74, 0x65, 0x20, 0x56, 0x33, 0x2e, 0x35, 0x20, 0x45, 0x56, 0x54,
66 0x32, 0xce, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
67 0x58, 0x58, 0x58, 0x58, 0xc4, 0x45, 0x56, 0x54, 0x32, 0xcd, 0x58, 0x58,
68 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc7,
69 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc3, 0x31, 0x2e, 0x30, 0xc9,
70 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc3, 0x4e, 0x2f,
71 0x41, 0xc1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x43,
72 };
73 static const size_t fby35_bb_fruid_len = sizeof(fby35_bb_fruid);
74
75 static const uint8_t fby35_bmc_fruid[] = {
76 0x01, 0x00, 0x00, 0x01, 0x0d, 0x00, 0x00, 0xf1, 0x01, 0x0c, 0x00, 0x36,
77 0xe6, 0xd0, 0xc6, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xd2, 0x42, 0x4d,
78 0x43, 0x20, 0x53, 0x74, 0x6f, 0x72, 0x61, 0x67, 0x65, 0x20, 0x4d, 0x6f,
79 0x64, 0x75, 0x6c, 0x65, 0xcd, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
80 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xce, 0x58, 0x58, 0x58, 0x58, 0x58,
81 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc3, 0x31, 0x2e,
82 0x30, 0xc9, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xd2,
83 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
84 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc1, 0x39, 0x01, 0x0c, 0x00, 0xc6,
85 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xd2, 0x59, 0x6f, 0x73, 0x65, 0x6d,
86 0x69, 0x74, 0x65, 0x20, 0x56, 0x33, 0x2e, 0x35, 0x20, 0x45, 0x56, 0x54,
87 0x32, 0xce, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
88 0x58, 0x58, 0x58, 0x58, 0xc4, 0x45, 0x56, 0x54, 0x32, 0xcd, 0x58, 0x58,
89 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc7,
90 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc3, 0x31, 0x2e, 0x30, 0xc9,
91 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc8, 0x43, 0x6f,
92 0x6e, 0x66, 0x69, 0x67, 0x20, 0x41, 0xc1, 0x45,
93 };
94 static const size_t fby35_bmc_fruid_len = sizeof(fby35_bmc_fruid);
95
96 static void fby35_i2c_init(AspeedMachineState *bmc)
97 {
98 AspeedSoCState *soc = bmc->soc;
99 I2CBus *i2c[16];
100
101 for (int i = 0; i < 16; i++) {
102 i2c[i] = aspeed_i2c_get_bus(&soc->i2c, i);
103 }
104
105 i2c_slave_create_simple(i2c[2], TYPE_LM75, 0x4f);
106 i2c_slave_create_simple(i2c[8], TYPE_TMP421, 0x1f);
107 /* Hotswap controller is actually supposed to be mp5920 or ltc4282. */
108 i2c_slave_create_simple(i2c[11], "adm1272", 0x44);
109 i2c_slave_create_simple(i2c[12], TYPE_LM75, 0x4e);
110 i2c_slave_create_simple(i2c[12], TYPE_LM75, 0x4f);
111
112 at24c_eeprom_init(i2c[4], 0x51, 128 * KiB);
113 at24c_eeprom_init(i2c[6], 0x51, 128 * KiB);
114 at24c_eeprom_init_rom(i2c[8], 0x50, 32 * KiB, fby35_nic_fruid,
115 fby35_nic_fruid_len);
116 at24c_eeprom_init_rom(i2c[11], 0x51, 128 * KiB, fby35_bb_fruid,
117 fby35_bb_fruid_len);
118 at24c_eeprom_init_rom(i2c[11], 0x54, 128 * KiB, fby35_bmc_fruid,
119 fby35_bmc_fruid_len);
120
121 /*
122 * TODO: There is a multi-master i2c connection to an AST1030 MiniBMC on
123 * buses 0, 1, 2, 3, and 9. Source address 0x10, target address 0x20 on
124 * each.
125 */
126 }
127
128 static void fby35_reset(MachineState *state, ResetType type)
129 {
130 AspeedMachineState *bmc = ASPEED_MACHINE(state);
131 AspeedGPIOState *gpio = &bmc->soc->gpio;
132
133 qemu_devices_reset(type);
134
135 /* Board ID: 7 (Class-1, 4 slots) */
136 object_property_set_bool(OBJECT(gpio), "gpioV4", true, &error_fatal);
137 object_property_set_bool(OBJECT(gpio), "gpioV5", true, &error_fatal);
138 object_property_set_bool(OBJECT(gpio), "gpioV6", true, &error_fatal);
139 object_property_set_bool(OBJECT(gpio), "gpioV7", false, &error_fatal);
140
141 /* Slot presence pins, inverse polarity. (False means present) */
142 object_property_set_bool(OBJECT(gpio), "gpioH4", false, &error_fatal);
143 object_property_set_bool(OBJECT(gpio), "gpioH5", true, &error_fatal);
144 object_property_set_bool(OBJECT(gpio), "gpioH6", true, &error_fatal);
145 object_property_set_bool(OBJECT(gpio), "gpioH7", true, &error_fatal);
146
147 /* Slot 12v power pins, normal polarity. (True means powered-on) */
148 object_property_set_bool(OBJECT(gpio), "gpioB2", true, &error_fatal);
149 object_property_set_bool(OBJECT(gpio), "gpioB3", false, &error_fatal);
150 object_property_set_bool(OBJECT(gpio), "gpioB4", false, &error_fatal);
151 object_property_set_bool(OBJECT(gpio), "gpioB5", false, &error_fatal);
152 }
153
154 static void aspeed_machine_fby35_class_init(ObjectClass *oc, const void *data)
155 {
156 MachineClass *mc = MACHINE_CLASS(oc);
157 AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);
158
159 mc->desc = "Facebook fby35 BMC (Cortex-A7)";
160 mc->reset = fby35_reset;
161 amc->fmc_model = "mx66l1g45g";
162 amc->num_cs = 2;
163 amc->macs_mask = ASPEED_MAC3_ON;
164 amc->i2c_init = fby35_i2c_init;
165 mc->default_ram_size = FBY35_BMC_RAM_SIZE;
166 aspeed_machine_class_init_cpus_defaults(mc);
167 }
168
169 static const TypeInfo aspeed_ast2600_fby35_types[] = {
170 {
171 .name = MACHINE_TYPE_NAME("fby35-bmc"),
172 .parent = MACHINE_TYPE_NAME("ast2600-evb"),
173 .class_init = aspeed_machine_fby35_class_init,
174 .interfaces = arm_machine_interfaces,
175 }
176 };
177
178 DEFINE_TYPES(aspeed_ast2600_fby35_types)