2 * RX62N Microcontroller
4 * Datasheet: RX62N Group, RX621 Group User's Manual: Hardware
5 * (Rev.1.40 R01UH0033EJ0140)
7 * Copyright (c) 2019 Yoshinori Sato
8 * Copyright (c) 2020 Philippe Mathieu-Daudé
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms and conditions of the GNU General Public License,
12 * version 2 or later, as published by the Free Software Foundation.
14 * This program is distributed in the hope it will be useful, but WITHOUT
15 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
16 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
19 * You should have received a copy of the GNU General Public License along with
20 * this program. If not, see <http://www.gnu.org/licenses/>.
23 #include "qemu/osdep.h"
24 #include "qapi/error.h"
25 #include "qemu/error-report.h"
27 #include "hw/rx/rx62n.h"
28 #include "hw/loader.h"
29 #include "hw/sysbus.h"
30 #include "hw/qdev-properties.h"
31 #include "sysemu/sysemu.h"
32 #include "sysemu/qtest.h"
36 * RX62N Internal Memory
38 #define RX62N_IRAM_BASE 0x00000000
39 #define RX62N_DFLASH_BASE 0x00100000
40 #define RX62N_CFLASH_BASE 0xfff80000
43 * RX62N Peripheral Address
44 * See users manual section 5
46 #define RX62N_ICU_BASE 0x00087000
47 #define RX62N_TMR_BASE 0x00088200
48 #define RX62N_CMT_BASE 0x00088000
49 #define RX62N_SCI_BASE 0x00088240
52 * RX62N Peripheral IRQ
53 * See users manual section 11
55 #define RX62N_TMR_IRQ 174
56 #define RX62N_CMT_IRQ 28
57 #define RX62N_SCI_IRQ 214
59 #define RX62N_XTAL_MIN_HZ (8 * 1000 * 1000)
60 #define RX62N_XTAL_MAX_HZ (14 * 1000 * 1000)
61 #define RX62N_PCLK_MAX_HZ (50 * 1000 * 1000)
63 typedef struct RX62NClass
{
65 DeviceClass parent_class
;
69 uint64_t rom_flash_size
;
70 uint64_t data_flash_size
;
73 #define RX62N_MCU_CLASS(klass) \
74 OBJECT_CLASS_CHECK(RX62NClass, (klass), TYPE_RX62N_MCU)
75 #define RX62N_MCU_GET_CLASS(obj) \
76 OBJECT_GET_CLASS(RX62NClass, (obj), TYPE_RX62N_MCU)
79 * IRQ -> IPR mapping table
80 * 0x00 - 0x91: IPR no (IPR00 to IPR91)
81 * 0xff: IPR not assigned
82 * See "11.3.1 Interrupt Vector Table" in hardware manual.
84 static const uint8_t ipr_table
[NR_IRQS
] = {
85 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
86 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 15 */
87 0x00, 0xff, 0xff, 0xff, 0xff, 0x01, 0xff, 0x02,
88 0xff, 0xff, 0xff, 0x03, 0x04, 0x05, 0x06, 0x07, /* 31 */
89 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
90 0x10, 0x11, 0x12, 0x13, 0x14, 0x14, 0x14, 0x14, /* 47 */
91 0x15, 0x15, 0x15, 0x15, 0xff, 0xff, 0xff, 0xff,
92 0x18, 0x18, 0x18, 0x18, 0x18, 0x1d, 0x1e, 0x1f, /* 63 */
93 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
94 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, /* 79 */
95 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
96 0xff, 0xff, 0x3a, 0x3b, 0x3c, 0xff, 0xff, 0xff, /* 95 */
97 0x40, 0xff, 0x44, 0x45, 0xff, 0xff, 0x48, 0xff,
98 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 111 */
99 0xff, 0xff, 0x51, 0x51, 0x51, 0x51, 0x52, 0x52,
100 0x52, 0x53, 0x53, 0x54, 0x54, 0x55, 0x55, 0x56, /* 127 */
101 0x56, 0x57, 0x57, 0x57, 0x57, 0x58, 0x59, 0x59,
102 0x59, 0x59, 0x5a, 0x5b, 0x5b, 0x5b, 0x5c, 0x5c, /* 143 */
103 0x5c, 0x5c, 0x5d, 0x5d, 0x5d, 0x5e, 0x5e, 0x5f,
104 0x5f, 0x60, 0x60, 0x61, 0x61, 0x62, 0x62, 0x62, /* 159 */
105 0x62, 0x63, 0x64, 0x64, 0x64, 0x64, 0x65, 0x66,
106 0x66, 0x66, 0x67, 0x67, 0x67, 0x67, 0x68, 0x68, /* 175 */
107 0x68, 0x69, 0x69, 0x69, 0x6a, 0x6a, 0x6a, 0x6b,
108 0x6b, 0x6b, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 191 */
109 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x70, 0x71,
110 0x72, 0x73, 0x74, 0x75, 0xff, 0xff, 0xff, 0xff, /* 207 */
111 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80, 0x80,
112 0x80, 0x80, 0x81, 0x81, 0x81, 0x81, 0x82, 0x82, /* 223 */
113 0x82, 0x82, 0x83, 0x83, 0x83, 0x83, 0xff, 0xff,
114 0xff, 0xff, 0x85, 0x85, 0x85, 0x85, 0x86, 0x86, /* 239 */
115 0x86, 0x86, 0xff, 0xff, 0xff, 0xff, 0x88, 0x89,
116 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90, 0x91, /* 255 */
120 * Level triggerd IRQ list
121 * Not listed IRQ is Edge trigger.
122 * See "11.3.1 Interrupt Vector Table" in hardware manual.
124 static const uint8_t levelirq
[] = {
125 16, 21, 32, 44, 47, 48, 51, 64, 65, 66,
126 67, 68, 69, 70, 71, 72, 73, 74, 75, 76,
127 77, 78, 79, 90, 91, 170, 171, 172, 173, 214,
128 217, 218, 221, 222, 225, 226, 229, 234, 237, 238,
129 241, 246, 249, 250, 253,
132 static void register_icu(RX62NState
*s
)
137 object_initialize_child(OBJECT(s
), "icu", &s
->icu
, TYPE_RX_ICU
);
138 icu
= SYS_BUS_DEVICE(&s
->icu
);
139 qdev_prop_set_uint32(DEVICE(icu
), "len-ipr-map", NR_IRQS
);
140 for (i
= 0; i
< NR_IRQS
; i
++) {
142 snprintf(propname
, sizeof(propname
), "ipr-map[%d]", i
);
143 qdev_prop_set_uint32(DEVICE(icu
), propname
, ipr_table
[i
]);
145 qdev_prop_set_uint32(DEVICE(icu
), "len-trigger-level",
146 ARRAY_SIZE(levelirq
));
147 for (i
= 0; i
< ARRAY_SIZE(levelirq
); i
++) {
149 snprintf(propname
, sizeof(propname
), "trigger-level[%d]", i
);
150 qdev_prop_set_uint32(DEVICE(icu
), propname
, levelirq
[i
]);
153 for (i
= 0; i
< NR_IRQS
; i
++) {
154 s
->irq
[i
] = qdev_get_gpio_in(DEVICE(icu
), i
);
156 sysbus_realize(icu
, &error_abort
);
157 sysbus_connect_irq(icu
, 0, qdev_get_gpio_in(DEVICE(&s
->cpu
), RX_CPU_IRQ
));
158 sysbus_connect_irq(icu
, 1, qdev_get_gpio_in(DEVICE(&s
->cpu
), RX_CPU_FIR
));
159 sysbus_connect_irq(icu
, 2, s
->irq
[SWI
]);
160 sysbus_mmio_map(SYS_BUS_DEVICE(icu
), 0, RX62N_ICU_BASE
);
163 static void register_tmr(RX62NState
*s
, int unit
)
168 object_initialize_child(OBJECT(s
), "tmr[*]",
169 &s
->tmr
[unit
], TYPE_RENESAS_TMR
);
170 tmr
= SYS_BUS_DEVICE(&s
->tmr
[unit
]);
171 qdev_prop_set_uint64(DEVICE(tmr
), "input-freq", s
->pclk_freq_hz
);
172 sysbus_realize(tmr
, &error_abort
);
174 irqbase
= RX62N_TMR_IRQ
+ TMR_NR_IRQ
* unit
;
175 for (i
= 0; i
< TMR_NR_IRQ
; i
++) {
176 sysbus_connect_irq(tmr
, i
, s
->irq
[irqbase
+ i
]);
178 sysbus_mmio_map(tmr
, 0, RX62N_TMR_BASE
+ unit
* 0x10);
181 static void register_cmt(RX62NState
*s
, int unit
)
186 object_initialize_child(OBJECT(s
), "cmt[*]",
187 &s
->cmt
[unit
], TYPE_RENESAS_CMT
);
188 cmt
= SYS_BUS_DEVICE(&s
->cmt
[unit
]);
189 qdev_prop_set_uint64(DEVICE(cmt
), "input-freq", s
->pclk_freq_hz
);
190 sysbus_realize(cmt
, &error_abort
);
192 irqbase
= RX62N_CMT_IRQ
+ CMT_NR_IRQ
* unit
;
193 for (i
= 0; i
< CMT_NR_IRQ
; i
++) {
194 sysbus_connect_irq(cmt
, i
, s
->irq
[irqbase
+ i
]);
196 sysbus_mmio_map(cmt
, 0, RX62N_CMT_BASE
+ unit
* 0x10);
199 static void register_sci(RX62NState
*s
, int unit
)
204 object_initialize_child(OBJECT(s
), "sci[*]",
205 &s
->sci
[unit
], TYPE_RENESAS_SCI
);
206 sci
= SYS_BUS_DEVICE(&s
->sci
[unit
]);
207 qdev_prop_set_chr(DEVICE(sci
), "chardev", serial_hd(unit
));
208 qdev_prop_set_uint64(DEVICE(sci
), "input-freq", s
->pclk_freq_hz
);
209 sysbus_realize(sci
, &error_abort
);
211 irqbase
= RX62N_SCI_IRQ
+ SCI_NR_IRQ
* unit
;
212 for (i
= 0; i
< SCI_NR_IRQ
; i
++) {
213 sysbus_connect_irq(sci
, i
, s
->irq
[irqbase
+ i
]);
215 sysbus_mmio_map(sci
, 0, RX62N_SCI_BASE
+ unit
* 0x08);
218 static void rx62n_realize(DeviceState
*dev
, Error
**errp
)
220 RX62NState
*s
= RX62N_MCU(dev
);
221 RX62NClass
*rxc
= RX62N_MCU_GET_CLASS(dev
);
223 if (s
->xtal_freq_hz
== 0) {
224 error_setg(errp
, "\"xtal-frequency-hz\" property must be provided.");
227 /* XTAL range: 8-14 MHz */
228 if (s
->xtal_freq_hz
< RX62N_XTAL_MIN_HZ
229 || s
->xtal_freq_hz
> RX62N_XTAL_MAX_HZ
) {
230 error_setg(errp
, "\"xtal-frequency-hz\" property in incorrect range.");
233 /* Use a 4x fixed multiplier */
234 s
->pclk_freq_hz
= 4 * s
->xtal_freq_hz
;
235 /* PCLK range: 8-50 MHz */
236 assert(s
->pclk_freq_hz
<= RX62N_PCLK_MAX_HZ
);
238 memory_region_init_ram(&s
->iram
, OBJECT(dev
), "iram",
239 rxc
->ram_size
, &error_abort
);
240 memory_region_add_subregion(s
->sysmem
, RX62N_IRAM_BASE
, &s
->iram
);
241 memory_region_init_rom(&s
->d_flash
, OBJECT(dev
), "flash-data",
242 rxc
->data_flash_size
, &error_abort
);
243 memory_region_add_subregion(s
->sysmem
, RX62N_DFLASH_BASE
, &s
->d_flash
);
244 memory_region_init_rom(&s
->c_flash
, OBJECT(dev
), "flash-code",
245 rxc
->rom_flash_size
, &error_abort
);
246 memory_region_add_subregion(s
->sysmem
, RX62N_CFLASH_BASE
, &s
->c_flash
);
250 rom_add_file_fixed(bios_name
, RX62N_CFLASH_BASE
, 0);
251 } else if (!qtest_enabled()) {
252 error_report("No bios or kernel specified");
258 object_initialize_child(OBJECT(s
), "cpu", &s
->cpu
, TYPE_RX62N_CPU
);
259 qdev_realize(DEVICE(&s
->cpu
), NULL
, &error_abort
);
262 s
->cpu
.env
.ack
= qdev_get_gpio_in_named(DEVICE(&s
->icu
), "ack", 0);
270 static Property rx62n_properties
[] = {
271 DEFINE_PROP_LINK("main-bus", RX62NState
, sysmem
, TYPE_MEMORY_REGION
,
273 DEFINE_PROP_BOOL("load-kernel", RX62NState
, kernel
, false),
274 DEFINE_PROP_UINT32("xtal-frequency-hz", RX62NState
, xtal_freq_hz
, 0),
275 DEFINE_PROP_END_OF_LIST(),
278 static void rx62n_class_init(ObjectClass
*klass
, void *data
)
280 DeviceClass
*dc
= DEVICE_CLASS(klass
);
282 dc
->realize
= rx62n_realize
;
283 device_class_set_props(dc
, rx62n_properties
);
286 static void r5f562n7_class_init(ObjectClass
*oc
, void *data
)
288 RX62NClass
*rxc
= RX62N_MCU_CLASS(oc
);
290 rxc
->ram_size
= 64 * KiB
;
291 rxc
->rom_flash_size
= 384 * KiB
;
292 rxc
->data_flash_size
= 32 * KiB
;
295 static void r5f562n8_class_init(ObjectClass
*oc
, void *data
)
297 RX62NClass
*rxc
= RX62N_MCU_CLASS(oc
);
299 rxc
->ram_size
= 96 * KiB
;
300 rxc
->rom_flash_size
= 512 * KiB
;
301 rxc
->data_flash_size
= 32 * KiB
;
304 static const TypeInfo rx62n_types
[] = {
306 .name
= TYPE_R5F562N7_MCU
,
307 .parent
= TYPE_RX62N_MCU
,
308 .class_init
= r5f562n7_class_init
,
310 .name
= TYPE_R5F562N8_MCU
,
311 .parent
= TYPE_RX62N_MCU
,
312 .class_init
= r5f562n8_class_init
,
314 .name
= TYPE_RX62N_MCU
,
315 .parent
= TYPE_DEVICE
,
316 .instance_size
= sizeof(RX62NState
),
317 .class_size
= sizeof(RX62NClass
),
318 .class_init
= rx62n_class_init
,
323 DEFINE_TYPES(rx62n_types
)