2 * Machine definitions for boards featuring an NPCM7xx SoC.
4 * Copyright 2020 Google LLC
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 #include "qemu/osdep.h"
19 #include "exec/address-spaces.h"
20 #include "hw/arm/npcm7xx.h"
21 #include "hw/core/cpu.h"
22 #include "hw/i2c/smbus_eeprom.h"
23 #include "hw/loader.h"
24 #include "hw/qdev-properties.h"
25 #include "qapi/error.h"
26 #include "qemu-common.h"
27 #include "qemu/datadir.h"
28 #include "qemu/units.h"
29 #include "sysemu/sysemu.h"
31 #define NPCM750_EVB_POWER_ON_STRAPS 0x00001ff7
32 #define QUANTA_GSJ_POWER_ON_STRAPS 0x00001fff
34 static const char npcm7xx_default_bootrom
[] = "npcm7xx_bootrom.bin";
36 static void npcm7xx_load_bootrom(MachineState
*machine
, NPCM7xxState
*soc
)
38 const char *bios_name
= machine
->firmware
?: npcm7xx_default_bootrom
;
39 g_autofree
char *filename
= NULL
;
42 filename
= qemu_find_file(QEMU_FILE_TYPE_BIOS
, bios_name
);
44 error_report("Could not find ROM image '%s'", bios_name
);
45 if (!machine
->kernel_filename
) {
46 /* We can't boot without a bootrom or a kernel image. */
51 ret
= load_image_mr(filename
, &soc
->irom
);
53 error_report("Failed to load ROM image '%s'", filename
);
58 static void npcm7xx_connect_flash(NPCM7xxFIUState
*fiu
, int cs_no
,
59 const char *flash_type
, DriveInfo
*dinfo
)
64 flash
= qdev_new(flash_type
);
66 qdev_prop_set_drive(flash
, "drive", blk_by_legacy_dinfo(dinfo
));
68 qdev_realize_and_unref(flash
, BUS(fiu
->spi
), &error_fatal
);
70 flash_cs
= qdev_get_gpio_in_named(flash
, SSI_GPIO_CS
, 0);
71 qdev_connect_gpio_out_named(DEVICE(fiu
), "cs", cs_no
, flash_cs
);
74 static void npcm7xx_connect_dram(NPCM7xxState
*soc
, MemoryRegion
*dram
)
76 memory_region_add_subregion(get_system_memory(), NPCM7XX_DRAM_BA
, dram
);
78 object_property_set_link(OBJECT(soc
), "dram-mr", OBJECT(dram
),
82 static NPCM7xxState
*npcm7xx_create_soc(MachineState
*machine
,
85 NPCM7xxMachineClass
*nmc
= NPCM7XX_MACHINE_GET_CLASS(machine
);
86 MachineClass
*mc
= MACHINE_CLASS(nmc
);
89 if (strcmp(machine
->cpu_type
, mc
->default_cpu_type
) != 0) {
90 error_report("This board can only be used with %s",
91 mc
->default_cpu_type
);
95 obj
= object_new_with_props(nmc
->soc_type
, OBJECT(machine
), "soc",
97 object_property_set_uint(obj
, "power-on-straps", hw_straps
, &error_abort
);
102 static I2CBus
*npcm7xx_i2c_get_bus(NPCM7xxState
*soc
, uint32_t num
)
104 g_assert(num
< ARRAY_SIZE(soc
->smbus
));
105 return I2C_BUS(qdev_get_child_bus(DEVICE(&soc
->smbus
[num
]), "i2c-bus"));
108 static void at24c_eeprom_init(NPCM7xxState
*soc
, int bus
, uint8_t addr
,
111 I2CBus
*i2c_bus
= npcm7xx_i2c_get_bus(soc
, bus
);
112 I2CSlave
*i2c_dev
= i2c_slave_new("at24c-eeprom", addr
);
113 DeviceState
*dev
= DEVICE(i2c_dev
);
115 qdev_prop_set_uint32(dev
, "rom-size", rsize
);
116 i2c_slave_realize_and_unref(i2c_dev
, i2c_bus
, &error_abort
);
119 static void npcm750_evb_i2c_init(NPCM7xxState
*soc
)
121 /* lm75 temperature sensor on SVB, tmp105 is compatible */
122 i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc
, 0), "tmp105", 0x48);
123 /* lm75 temperature sensor on EB, tmp105 is compatible */
124 i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc
, 1), "tmp105", 0x48);
125 /* tmp100 temperature sensor on EB, tmp105 is compatible */
126 i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc
, 2), "tmp105", 0x48);
127 /* tmp100 temperature sensor on SVB, tmp105 is compatible */
128 i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc
, 6), "tmp105", 0x48);
131 static void quanta_gsj_i2c_init(NPCM7xxState
*soc
)
133 /* GSJ machine have 4 max31725 temperature sensors, tmp105 is compatible. */
134 i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc
, 1), "tmp105", 0x5c);
135 i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc
, 2), "tmp105", 0x5c);
136 i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc
, 3), "tmp105", 0x5c);
137 i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc
, 4), "tmp105", 0x5c);
139 at24c_eeprom_init(soc
, 9, 0x55, 8192);
140 at24c_eeprom_init(soc
, 10, 0x55, 8192);
142 /* TODO: Add additional i2c devices. */
145 static void npcm750_evb_init(MachineState
*machine
)
149 soc
= npcm7xx_create_soc(machine
, NPCM750_EVB_POWER_ON_STRAPS
);
150 npcm7xx_connect_dram(soc
, machine
->ram
);
151 qdev_realize(DEVICE(soc
), NULL
, &error_fatal
);
153 npcm7xx_load_bootrom(machine
, soc
);
154 npcm7xx_connect_flash(&soc
->fiu
[0], 0, "w25q256", drive_get(IF_MTD
, 0, 0));
155 npcm750_evb_i2c_init(soc
);
156 npcm7xx_load_kernel(machine
, soc
);
159 static void quanta_gsj_init(MachineState
*machine
)
163 soc
= npcm7xx_create_soc(machine
, QUANTA_GSJ_POWER_ON_STRAPS
);
164 npcm7xx_connect_dram(soc
, machine
->ram
);
165 qdev_realize(DEVICE(soc
), NULL
, &error_fatal
);
167 npcm7xx_load_bootrom(machine
, soc
);
168 npcm7xx_connect_flash(&soc
->fiu
[0], 0, "mx25l25635e",
169 drive_get(IF_MTD
, 0, 0));
170 quanta_gsj_i2c_init(soc
);
171 npcm7xx_load_kernel(machine
, soc
);
174 static void npcm7xx_set_soc_type(NPCM7xxMachineClass
*nmc
, const char *type
)
176 NPCM7xxClass
*sc
= NPCM7XX_CLASS(object_class_by_name(type
));
177 MachineClass
*mc
= MACHINE_CLASS(nmc
);
179 nmc
->soc_type
= type
;
180 mc
->default_cpus
= mc
->min_cpus
= mc
->max_cpus
= sc
->num_cpus
;
183 static void npcm7xx_machine_class_init(ObjectClass
*oc
, void *data
)
185 MachineClass
*mc
= MACHINE_CLASS(oc
);
190 mc
->default_ram_id
= "ram";
191 mc
->default_cpu_type
= ARM_CPU_TYPE_NAME("cortex-a9");
196 * https://github.com/Nuvoton-Israel/nuvoton-info/blob/master/npcm7xx-poleg/evaluation-board/board_deliverables/NPCM750x_EB_ver.A1.1_COMPLETE.pdf
198 static void npcm750_evb_machine_class_init(ObjectClass
*oc
, void *data
)
200 NPCM7xxMachineClass
*nmc
= NPCM7XX_MACHINE_CLASS(oc
);
201 MachineClass
*mc
= MACHINE_CLASS(oc
);
203 npcm7xx_set_soc_type(nmc
, TYPE_NPCM750
);
205 mc
->desc
= "Nuvoton NPCM750 Evaluation Board (Cortex A9)";
206 mc
->init
= npcm750_evb_init
;
207 mc
->default_ram_size
= 512 * MiB
;
210 static void gsj_machine_class_init(ObjectClass
*oc
, void *data
)
212 NPCM7xxMachineClass
*nmc
= NPCM7XX_MACHINE_CLASS(oc
);
213 MachineClass
*mc
= MACHINE_CLASS(oc
);
215 npcm7xx_set_soc_type(nmc
, TYPE_NPCM730
);
217 mc
->desc
= "Quanta GSJ (Cortex A9)";
218 mc
->init
= quanta_gsj_init
;
219 mc
->default_ram_size
= 512 * MiB
;
222 static const TypeInfo npcm7xx_machine_types
[] = {
224 .name
= TYPE_NPCM7XX_MACHINE
,
225 .parent
= TYPE_MACHINE
,
226 .instance_size
= sizeof(NPCM7xxMachine
),
227 .class_size
= sizeof(NPCM7xxMachineClass
),
228 .class_init
= npcm7xx_machine_class_init
,
231 .name
= MACHINE_TYPE_NAME("npcm750-evb"),
232 .parent
= TYPE_NPCM7XX_MACHINE
,
233 .class_init
= npcm750_evb_machine_class_init
,
235 .name
= MACHINE_TYPE_NAME("quanta-gsj"),
236 .parent
= TYPE_NPCM7XX_MACHINE
,
237 .class_init
= gsj_machine_class_init
,
241 DEFINE_TYPES(npcm7xx_machine_types
)