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/loader.h"
23 #include "hw/qdev-properties.h"
24 #include "qapi/error.h"
25 #include "qemu-common.h"
26 #include "qemu/datadir.h"
27 #include "qemu/units.h"
28 #include "sysemu/sysemu.h"
30 #define NPCM750_EVB_POWER_ON_STRAPS 0x00001ff7
31 #define QUANTA_GSJ_POWER_ON_STRAPS 0x00001fff
33 static const char npcm7xx_default_bootrom
[] = "npcm7xx_bootrom.bin";
35 static void npcm7xx_load_bootrom(MachineState
*machine
, NPCM7xxState
*soc
)
37 const char *bios_name
= machine
->firmware
?: npcm7xx_default_bootrom
;
38 g_autofree
char *filename
= NULL
;
41 filename
= qemu_find_file(QEMU_FILE_TYPE_BIOS
, bios_name
);
43 error_report("Could not find ROM image '%s'", bios_name
);
44 if (!machine
->kernel_filename
) {
45 /* We can't boot without a bootrom or a kernel image. */
50 ret
= load_image_mr(filename
, &soc
->irom
);
52 error_report("Failed to load ROM image '%s'", filename
);
57 static void npcm7xx_connect_flash(NPCM7xxFIUState
*fiu
, int cs_no
,
58 const char *flash_type
, DriveInfo
*dinfo
)
63 flash
= qdev_new(flash_type
);
65 qdev_prop_set_drive(flash
, "drive", blk_by_legacy_dinfo(dinfo
));
67 qdev_realize_and_unref(flash
, BUS(fiu
->spi
), &error_fatal
);
69 flash_cs
= qdev_get_gpio_in_named(flash
, SSI_GPIO_CS
, 0);
70 qdev_connect_gpio_out_named(DEVICE(fiu
), "cs", cs_no
, flash_cs
);
73 static void npcm7xx_connect_dram(NPCM7xxState
*soc
, MemoryRegion
*dram
)
75 memory_region_add_subregion(get_system_memory(), NPCM7XX_DRAM_BA
, dram
);
77 object_property_set_link(OBJECT(soc
), "dram-mr", OBJECT(dram
),
81 static NPCM7xxState
*npcm7xx_create_soc(MachineState
*machine
,
84 NPCM7xxMachineClass
*nmc
= NPCM7XX_MACHINE_GET_CLASS(machine
);
85 MachineClass
*mc
= &nmc
->parent
;
88 if (strcmp(machine
->cpu_type
, mc
->default_cpu_type
) != 0) {
89 error_report("This board can only be used with %s",
90 mc
->default_cpu_type
);
94 obj
= object_new_with_props(nmc
->soc_type
, OBJECT(machine
), "soc",
96 object_property_set_uint(obj
, "power-on-straps", hw_straps
, &error_abort
);
101 static void npcm750_evb_init(MachineState
*machine
)
105 soc
= npcm7xx_create_soc(machine
, NPCM750_EVB_POWER_ON_STRAPS
);
106 npcm7xx_connect_dram(soc
, machine
->ram
);
107 qdev_realize(DEVICE(soc
), NULL
, &error_fatal
);
109 npcm7xx_load_bootrom(machine
, soc
);
110 npcm7xx_connect_flash(&soc
->fiu
[0], 0, "w25q256", drive_get(IF_MTD
, 0, 0));
111 npcm7xx_load_kernel(machine
, soc
);
114 static void quanta_gsj_init(MachineState
*machine
)
118 soc
= npcm7xx_create_soc(machine
, QUANTA_GSJ_POWER_ON_STRAPS
);
119 npcm7xx_connect_dram(soc
, machine
->ram
);
120 qdev_realize(DEVICE(soc
), NULL
, &error_fatal
);
122 npcm7xx_load_bootrom(machine
, soc
);
123 npcm7xx_connect_flash(&soc
->fiu
[0], 0, "mx25l25635e",
124 drive_get(IF_MTD
, 0, 0));
125 npcm7xx_load_kernel(machine
, soc
);
128 static void npcm7xx_set_soc_type(NPCM7xxMachineClass
*nmc
, const char *type
)
130 NPCM7xxClass
*sc
= NPCM7XX_CLASS(object_class_by_name(type
));
131 MachineClass
*mc
= MACHINE_CLASS(nmc
);
133 nmc
->soc_type
= type
;
134 mc
->default_cpus
= mc
->min_cpus
= mc
->max_cpus
= sc
->num_cpus
;
137 static void npcm7xx_machine_class_init(ObjectClass
*oc
, void *data
)
139 MachineClass
*mc
= MACHINE_CLASS(oc
);
144 mc
->default_ram_id
= "ram";
145 mc
->default_cpu_type
= ARM_CPU_TYPE_NAME("cortex-a9");
150 * https://github.com/Nuvoton-Israel/nuvoton-info/blob/master/npcm7xx-poleg/evaluation-board/board_deliverables/NPCM750x_EB_ver.A1.1_COMPLETE.pdf
152 static void npcm750_evb_machine_class_init(ObjectClass
*oc
, void *data
)
154 NPCM7xxMachineClass
*nmc
= NPCM7XX_MACHINE_CLASS(oc
);
155 MachineClass
*mc
= MACHINE_CLASS(oc
);
157 npcm7xx_set_soc_type(nmc
, TYPE_NPCM750
);
159 mc
->desc
= "Nuvoton NPCM750 Evaluation Board (Cortex A9)";
160 mc
->init
= npcm750_evb_init
;
161 mc
->default_ram_size
= 512 * MiB
;
164 static void gsj_machine_class_init(ObjectClass
*oc
, void *data
)
166 NPCM7xxMachineClass
*nmc
= NPCM7XX_MACHINE_CLASS(oc
);
167 MachineClass
*mc
= MACHINE_CLASS(oc
);
169 npcm7xx_set_soc_type(nmc
, TYPE_NPCM730
);
171 mc
->desc
= "Quanta GSJ (Cortex A9)";
172 mc
->init
= quanta_gsj_init
;
173 mc
->default_ram_size
= 512 * MiB
;
176 static const TypeInfo npcm7xx_machine_types
[] = {
178 .name
= TYPE_NPCM7XX_MACHINE
,
179 .parent
= TYPE_MACHINE
,
180 .instance_size
= sizeof(NPCM7xxMachine
),
181 .class_size
= sizeof(NPCM7xxMachineClass
),
182 .class_init
= npcm7xx_machine_class_init
,
185 .name
= MACHINE_TYPE_NAME("npcm750-evb"),
186 .parent
= TYPE_NPCM7XX_MACHINE
,
187 .class_init
= npcm750_evb_machine_class_init
,
189 .name
= MACHINE_TYPE_NAME("quanta-gsj"),
190 .parent
= TYPE_NPCM7XX_MACHINE
,
191 .class_init
= gsj_machine_class_init
,
195 DEFINE_TYPES(npcm7xx_machine_types
)