Merge remote-tracking branch 'remotes/philmd-gitlab/tags/renesas-20201027' into staging
[qemu.git] / hw / arm / npcm7xx_boards.c
1 /*
2 * Machine definitions for boards featuring an NPCM7xx SoC.
3 *
4 * Copyright 2020 Google LLC
5 *
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.
10 *
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
14 * for more details.
15 */
16
17 #include "qemu/osdep.h"
18
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/units.h"
27 #include "sysemu/sysemu.h"
28
29 #define NPCM750_EVB_POWER_ON_STRAPS 0x00001ff7
30 #define QUANTA_GSJ_POWER_ON_STRAPS 0x00001fff
31
32 static const char npcm7xx_default_bootrom[] = "npcm7xx_bootrom.bin";
33
34 static void npcm7xx_load_bootrom(MachineState *machine, NPCM7xxState *soc)
35 {
36 g_autofree char *filename = NULL;
37 int ret;
38
39 if (!bios_name) {
40 bios_name = npcm7xx_default_bootrom;
41 }
42
43 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
44 if (!filename) {
45 error_report("Could not find ROM image '%s'", bios_name);
46 if (!machine->kernel_filename) {
47 /* We can't boot without a bootrom or a kernel image. */
48 exit(1);
49 }
50 return;
51 }
52 ret = load_image_mr(filename, &soc->irom);
53 if (ret < 0) {
54 error_report("Failed to load ROM image '%s'", filename);
55 exit(1);
56 }
57 }
58
59 static void npcm7xx_connect_flash(NPCM7xxFIUState *fiu, int cs_no,
60 const char *flash_type, DriveInfo *dinfo)
61 {
62 DeviceState *flash;
63 qemu_irq flash_cs;
64
65 flash = qdev_new(flash_type);
66 if (dinfo) {
67 qdev_prop_set_drive(flash, "drive", blk_by_legacy_dinfo(dinfo));
68 }
69 qdev_realize_and_unref(flash, BUS(fiu->spi), &error_fatal);
70
71 flash_cs = qdev_get_gpio_in_named(flash, SSI_GPIO_CS, 0);
72 qdev_connect_gpio_out_named(DEVICE(fiu), "cs", cs_no, flash_cs);
73 }
74
75 static void npcm7xx_connect_dram(NPCM7xxState *soc, MemoryRegion *dram)
76 {
77 memory_region_add_subregion(get_system_memory(), NPCM7XX_DRAM_BA, dram);
78
79 object_property_set_link(OBJECT(soc), "dram-mr", OBJECT(dram),
80 &error_abort);
81 }
82
83 static NPCM7xxState *npcm7xx_create_soc(MachineState *machine,
84 uint32_t hw_straps)
85 {
86 NPCM7xxMachineClass *nmc = NPCM7XX_MACHINE_GET_CLASS(machine);
87 MachineClass *mc = &nmc->parent;
88 Object *obj;
89
90 if (strcmp(machine->cpu_type, mc->default_cpu_type) != 0) {
91 error_report("This board can only be used with %s",
92 mc->default_cpu_type);
93 exit(1);
94 }
95
96 obj = object_new_with_props(nmc->soc_type, OBJECT(machine), "soc",
97 &error_abort, NULL);
98 object_property_set_uint(obj, "power-on-straps", hw_straps, &error_abort);
99
100 return NPCM7XX(obj);
101 }
102
103 static void npcm750_evb_init(MachineState *machine)
104 {
105 NPCM7xxState *soc;
106
107 soc = npcm7xx_create_soc(machine, NPCM750_EVB_POWER_ON_STRAPS);
108 npcm7xx_connect_dram(soc, machine->ram);
109 qdev_realize(DEVICE(soc), NULL, &error_fatal);
110
111 npcm7xx_load_bootrom(machine, soc);
112 npcm7xx_connect_flash(&soc->fiu[0], 0, "w25q256", drive_get(IF_MTD, 0, 0));
113 npcm7xx_load_kernel(machine, soc);
114 }
115
116 static void quanta_gsj_init(MachineState *machine)
117 {
118 NPCM7xxState *soc;
119
120 soc = npcm7xx_create_soc(machine, QUANTA_GSJ_POWER_ON_STRAPS);
121 npcm7xx_connect_dram(soc, machine->ram);
122 qdev_realize(DEVICE(soc), NULL, &error_fatal);
123
124 npcm7xx_load_bootrom(machine, soc);
125 npcm7xx_connect_flash(&soc->fiu[0], 0, "mx25l25635e",
126 drive_get(IF_MTD, 0, 0));
127 npcm7xx_load_kernel(machine, soc);
128 }
129
130 static void npcm7xx_set_soc_type(NPCM7xxMachineClass *nmc, const char *type)
131 {
132 NPCM7xxClass *sc = NPCM7XX_CLASS(object_class_by_name(type));
133 MachineClass *mc = MACHINE_CLASS(nmc);
134
135 nmc->soc_type = type;
136 mc->default_cpus = mc->min_cpus = mc->max_cpus = sc->num_cpus;
137 }
138
139 static void npcm7xx_machine_class_init(ObjectClass *oc, void *data)
140 {
141 MachineClass *mc = MACHINE_CLASS(oc);
142
143 mc->no_floppy = 1;
144 mc->no_cdrom = 1;
145 mc->no_parallel = 1;
146 mc->default_ram_id = "ram";
147 mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a9");
148 }
149
150 /*
151 * Schematics:
152 * https://github.com/Nuvoton-Israel/nuvoton-info/blob/master/npcm7xx-poleg/evaluation-board/board_deliverables/NPCM750x_EB_ver.A1.1_COMPLETE.pdf
153 */
154 static void npcm750_evb_machine_class_init(ObjectClass *oc, void *data)
155 {
156 NPCM7xxMachineClass *nmc = NPCM7XX_MACHINE_CLASS(oc);
157 MachineClass *mc = MACHINE_CLASS(oc);
158
159 npcm7xx_set_soc_type(nmc, TYPE_NPCM750);
160
161 mc->desc = "Nuvoton NPCM750 Evaluation Board (Cortex A9)";
162 mc->init = npcm750_evb_init;
163 mc->default_ram_size = 512 * MiB;
164 };
165
166 static void gsj_machine_class_init(ObjectClass *oc, void *data)
167 {
168 NPCM7xxMachineClass *nmc = NPCM7XX_MACHINE_CLASS(oc);
169 MachineClass *mc = MACHINE_CLASS(oc);
170
171 npcm7xx_set_soc_type(nmc, TYPE_NPCM730);
172
173 mc->desc = "Quanta GSJ (Cortex A9)";
174 mc->init = quanta_gsj_init;
175 mc->default_ram_size = 512 * MiB;
176 };
177
178 static const TypeInfo npcm7xx_machine_types[] = {
179 {
180 .name = TYPE_NPCM7XX_MACHINE,
181 .parent = TYPE_MACHINE,
182 .instance_size = sizeof(NPCM7xxMachine),
183 .class_size = sizeof(NPCM7xxMachineClass),
184 .class_init = npcm7xx_machine_class_init,
185 .abstract = true,
186 }, {
187 .name = MACHINE_TYPE_NAME("npcm750-evb"),
188 .parent = TYPE_NPCM7XX_MACHINE,
189 .class_init = npcm750_evb_machine_class_init,
190 }, {
191 .name = MACHINE_TYPE_NAME("quanta-gsj"),
192 .parent = TYPE_NPCM7XX_MACHINE,
193 .class_init = gsj_machine_class_init,
194 },
195 };
196
197 DEFINE_TYPES(npcm7xx_machine_types)