@samitouri / QOSamiQemu
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1 /*
2 * ASPEED AST10x0 EVB
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/boot.h"
12 #include "hw/arm/machines-qom.h"
13 #include "hw/arm/aspeed.h"
14 #include "hw/arm/aspeed_soc.h"
15 #include "hw/core/qdev-clock.h"
16 #include "system/system.h"
17 #include "hw/i2c/smbus_eeprom.h"
18
19 #define AST1030_INTERNAL_FLASH_SIZE (1024 * 1024)
20 /* Main SYSCLK frequency in Hz (200MHz) */
21 #define SYSCLK_FRQ 200000000ULL
22
23 static void aspeed_minibmc_machine_init(MachineState *machine)
24 {
25 AspeedMachineState *bmc = ASPEED_MACHINE(machine);
26 AspeedMachineClass *amc = ASPEED_MACHINE_GET_CLASS(machine);
27 Clock *sysclk;
28
29 sysclk = clock_new(OBJECT(machine), "SYSCLK");
30 clock_set_hz(sysclk, SYSCLK_FRQ);
31
32 bmc->soc = ASPEED_SOC(object_new(amc->soc_name));
33 object_property_add_child(OBJECT(machine), "soc", OBJECT(bmc->soc));
34 object_unref(OBJECT(bmc->soc));
35 qdev_connect_clock_in(DEVICE(bmc->soc), "sysclk", sysclk);
36
37 object_property_set_link(OBJECT(bmc->soc), "memory",
38 OBJECT(get_system_memory()), &error_abort);
39 aspeed_connect_serial_hds_to_uarts(bmc);
40 qdev_realize(DEVICE(bmc->soc), NULL, &error_abort);
41
42 if (defaults_enabled()) {
43 aspeed_board_init_flashes(&bmc->soc->fmc,
44 bmc->fmc_model ? bmc->fmc_model : amc->fmc_model,
45 amc->num_cs,
46 0);
47
48 aspeed_board_init_flashes(&bmc->soc->spi[0],
49 bmc->spi_model ? bmc->spi_model : amc->spi_model,
50 amc->num_cs, amc->num_cs);
51
52 aspeed_board_init_flashes(&bmc->soc->spi[1],
53 bmc->spi_model ? bmc->spi_model : amc->spi_model,
54 amc->num_cs, (amc->num_cs * 2));
55 }
56
57 if (amc->i2c_init) {
58 amc->i2c_init(bmc);
59 }
60
61 armv7m_load_kernel(ARM_CPU(first_cpu),
62 machine->kernel_filename,
63 0,
64 AST1030_INTERNAL_FLASH_SIZE);
65 }
66
67 static void ast1030_evb_i2c_init(AspeedMachineState *bmc)
68 {
69 AspeedSoCState *soc = bmc->soc;
70
71 /* U10 24C08 connects to SDA/SCL Group 1 by default */
72 uint8_t *eeprom_buf = g_malloc0(32 * 1024);
73 smbus_eeprom_init_one(aspeed_i2c_get_bus(&soc->i2c, 0), 0x50, eeprom_buf);
74
75 /* U11 LM75 connects to SDA/SCL Group 2 by default */
76 i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 1), "tmp105", 0x4d);
77 }
78
79 static void aspeed_minibmc_machine_ast1030_evb_class_init(ObjectClass *oc,
80 const void *data)
81 {
82 MachineClass *mc = MACHINE_CLASS(oc);
83 AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);
84
85 mc->desc = "Aspeed AST1030 MiniBMC (Cortex-M4)";
86 amc->soc_name = "ast1030-a1";
87 amc->hw_strap1 = 0;
88 amc->hw_strap2 = 0;
89 mc->init = aspeed_minibmc_machine_init;
90 amc->i2c_init = ast1030_evb_i2c_init;
91 mc->default_ram_size = 0;
92 amc->fmc_model = "w25q80bl";
93 amc->spi_model = "w25q256";
94 amc->num_cs = 2;
95 amc->macs_mask = 0;
96 aspeed_machine_class_init_cpus_defaults(mc);
97 }
98
99 static void aspeed_minibmc_machine_ast1060_evb_class_init(ObjectClass *oc,
100 const void *data)
101 {
102 MachineClass *mc = MACHINE_CLASS(oc);
103 AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);
104
105 mc->desc = "Aspeed AST1060 Platform Root of Trust (Cortex-M4)";
106 amc->soc_name = "ast1060-a2";
107 amc->hw_strap1 = 0;
108 amc->hw_strap2 = 0;
109 mc->init = aspeed_minibmc_machine_init;
110 amc->fmc_model = "w25q80bl";
111 amc->spi_model = "w25q02jvm";
112 amc->num_cs = 2;
113 amc->macs_mask = 0;
114 aspeed_machine_class_init_cpus_defaults(mc);
115 }
116
117 static const TypeInfo aspeed_ast10x0_evb_types[] = {
118 {
119 .name = MACHINE_TYPE_NAME("ast1030-evb"),
120 .parent = TYPE_ASPEED_MACHINE,
121 .class_init = aspeed_minibmc_machine_ast1030_evb_class_init,
122 .interfaces = arm_machine_interfaces,
123 }, {
124 .name = MACHINE_TYPE_NAME("ast1060-evb"),
125 .parent = TYPE_ASPEED_MACHINE,
126 .class_init = aspeed_minibmc_machine_ast1060_evb_class_init,
127 .interfaces = arm_machine_interfaces,
128 }
129 };
130
131 DEFINE_TYPES(aspeed_ast10x0_evb_types)