| /* |
| * RX62N Microcontroller |
| * |
| * Datasheet: RX62N Group, RX621 Group User's Manual: Hardware |
| * (Rev.1.40 R01UH0033EJ0140) |
| * |
| * Copyright (c) 2019 Yoshinori Sato |
| * Copyright (c) 2020 Philippe Mathieu-Daudé |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms and conditions of the GNU General Public License, |
| * version 2 or later, as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| * You should have received a copy of the GNU General Public License along with |
| * this program. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #include "qemu/osdep.h" |
| #include "qapi/error.h" |
| #include "qemu/error-report.h" |
| #include "hw/rx/rx62n.h" |
| #include "hw/loader.h" |
| #include "hw/sysbus.h" |
| #include "hw/qdev-properties.h" |
| #include "sysemu/sysemu.h" |
| #include "qom/object.h" |
| |
| /* |
| * RX62N Internal Memory |
| */ |
| #define RX62N_IRAM_BASE 0x00000000 |
| #define RX62N_DFLASH_BASE 0x00100000 |
| #define RX62N_CFLASH_BASE 0xfff80000 |
| |
| /* |
| * RX62N Peripheral Address |
| * See users manual section 5 |
| */ |
| #define RX62N_ICU_BASE 0x00087000 |
| #define RX62N_TMR_BASE 0x00088200 |
| #define RX62N_CMT_BASE 0x00088000 |
| #define RX62N_SCI_BASE 0x00088240 |
| |
| /* |
| * RX62N Peripheral IRQ |
| * See users manual section 11 |
| */ |
| #define RX62N_TMR_IRQ 174 |
| #define RX62N_CMT_IRQ 28 |
| #define RX62N_SCI_IRQ 214 |
| |
| #define RX62N_XTAL_MIN_HZ (8 * 1000 * 1000) |
| #define RX62N_XTAL_MAX_HZ (14 * 1000 * 1000) |
| #define RX62N_PCLK_MAX_HZ (50 * 1000 * 1000) |
| |
| struct RX62NClass { |
| /*< private >*/ |
| DeviceClass parent_class; |
| /*< public >*/ |
| const char *name; |
| uint64_t ram_size; |
| uint64_t rom_flash_size; |
| uint64_t data_flash_size; |
| }; |
| typedef struct RX62NClass RX62NClass; |
| |
| DECLARE_CLASS_CHECKERS(RX62NClass, RX62N_MCU, |
| TYPE_RX62N_MCU) |
| |
| /* |
| * IRQ -> IPR mapping table |
| * 0x00 - 0x91: IPR no (IPR00 to IPR91) |
| * 0xff: IPR not assigned |
| * See "11.3.1 Interrupt Vector Table" in hardware manual. |
| */ |
| static const uint8_t ipr_table[NR_IRQS] = { |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 15 */ |
| 0x00, 0xff, 0xff, 0xff, 0xff, 0x01, 0xff, 0x02, |
| 0xff, 0xff, 0xff, 0x03, 0x04, 0x05, 0x06, 0x07, /* 31 */ |
| 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, |
| 0x10, 0x11, 0x12, 0x13, 0x14, 0x14, 0x14, 0x14, /* 47 */ |
| 0x15, 0x15, 0x15, 0x15, 0xff, 0xff, 0xff, 0xff, |
| 0x18, 0x18, 0x18, 0x18, 0x18, 0x1d, 0x1e, 0x1f, /* 63 */ |
| 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, |
| 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, /* 79 */ |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 0xff, 0xff, 0x3a, 0x3b, 0x3c, 0xff, 0xff, 0xff, /* 95 */ |
| 0x40, 0xff, 0x44, 0x45, 0xff, 0xff, 0x48, 0xff, |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 111 */ |
| 0xff, 0xff, 0x51, 0x51, 0x51, 0x51, 0x52, 0x52, |
| 0x52, 0x53, 0x53, 0x54, 0x54, 0x55, 0x55, 0x56, /* 127 */ |
| 0x56, 0x57, 0x57, 0x57, 0x57, 0x58, 0x59, 0x59, |
| 0x59, 0x59, 0x5a, 0x5b, 0x5b, 0x5b, 0x5c, 0x5c, /* 143 */ |
| 0x5c, 0x5c, 0x5d, 0x5d, 0x5d, 0x5e, 0x5e, 0x5f, |
| 0x5f, 0x60, 0x60, 0x61, 0x61, 0x62, 0x62, 0x62, /* 159 */ |
| 0x62, 0x63, 0x64, 0x64, 0x64, 0x64, 0x65, 0x66, |
| 0x66, 0x66, 0x67, 0x67, 0x67, 0x67, 0x68, 0x68, /* 175 */ |
| 0x68, 0x69, 0x69, 0x69, 0x6a, 0x6a, 0x6a, 0x6b, |
| 0x6b, 0x6b, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 191 */ |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x70, 0x71, |
| 0x72, 0x73, 0x74, 0x75, 0xff, 0xff, 0xff, 0xff, /* 207 */ |
| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80, 0x80, |
| 0x80, 0x80, 0x81, 0x81, 0x81, 0x81, 0x82, 0x82, /* 223 */ |
| 0x82, 0x82, 0x83, 0x83, 0x83, 0x83, 0xff, 0xff, |
| 0xff, 0xff, 0x85, 0x85, 0x85, 0x85, 0x86, 0x86, /* 239 */ |
| 0x86, 0x86, 0xff, 0xff, 0xff, 0xff, 0x88, 0x89, |
| 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90, 0x91, /* 255 */ |
| }; |
| |
| /* |
| * Level triggered IRQ list |
| * Not listed IRQ is Edge trigger. |
| * See "11.3.1 Interrupt Vector Table" in hardware manual. |
| */ |
| static const uint8_t levelirq[] = { |
| 16, 21, 32, 44, 47, 48, 51, 64, 65, 66, |
| 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, |
| 77, 78, 79, 90, 91, 170, 171, 172, 173, 214, |
| 217, 218, 221, 222, 225, 226, 229, 234, 237, 238, |
| 241, 246, 249, 250, 253, |
| }; |
| |
| static void register_icu(RX62NState *s) |
| { |
| int i; |
| SysBusDevice *icu; |
| |
| object_initialize_child(OBJECT(s), "icu", &s->icu, TYPE_RX_ICU); |
| icu = SYS_BUS_DEVICE(&s->icu); |
| qdev_prop_set_uint32(DEVICE(icu), "len-ipr-map", NR_IRQS); |
| for (i = 0; i < NR_IRQS; i++) { |
| char propname[32]; |
| snprintf(propname, sizeof(propname), "ipr-map[%d]", i); |
| qdev_prop_set_uint32(DEVICE(icu), propname, ipr_table[i]); |
| } |
| qdev_prop_set_uint32(DEVICE(icu), "len-trigger-level", |
| ARRAY_SIZE(levelirq)); |
| for (i = 0; i < ARRAY_SIZE(levelirq); i++) { |
| char propname[32]; |
| snprintf(propname, sizeof(propname), "trigger-level[%d]", i); |
| qdev_prop_set_uint32(DEVICE(icu), propname, levelirq[i]); |
| } |
| |
| for (i = 0; i < NR_IRQS; i++) { |
| s->irq[i] = qdev_get_gpio_in(DEVICE(icu), i); |
| } |
| sysbus_realize(icu, &error_abort); |
| sysbus_connect_irq(icu, 0, qdev_get_gpio_in(DEVICE(&s->cpu), RX_CPU_IRQ)); |
| sysbus_connect_irq(icu, 1, qdev_get_gpio_in(DEVICE(&s->cpu), RX_CPU_FIR)); |
| sysbus_connect_irq(icu, 2, s->irq[SWI]); |
| sysbus_mmio_map(icu, 0, RX62N_ICU_BASE); |
| } |
| |
| static void register_tmr(RX62NState *s, int unit) |
| { |
| SysBusDevice *tmr; |
| int i, irqbase; |
| |
| object_initialize_child(OBJECT(s), "tmr[*]", |
| &s->tmr[unit], TYPE_RENESAS_TMR); |
| tmr = SYS_BUS_DEVICE(&s->tmr[unit]); |
| qdev_prop_set_uint64(DEVICE(tmr), "input-freq", s->pclk_freq_hz); |
| sysbus_realize(tmr, &error_abort); |
| |
| irqbase = RX62N_TMR_IRQ + TMR_NR_IRQ * unit; |
| for (i = 0; i < TMR_NR_IRQ; i++) { |
| sysbus_connect_irq(tmr, i, s->irq[irqbase + i]); |
| } |
| sysbus_mmio_map(tmr, 0, RX62N_TMR_BASE + unit * 0x10); |
| } |
| |
| static void register_cmt(RX62NState *s, int unit) |
| { |
| SysBusDevice *cmt; |
| int i, irqbase; |
| |
| object_initialize_child(OBJECT(s), "cmt[*]", |
| &s->cmt[unit], TYPE_RENESAS_CMT); |
| cmt = SYS_BUS_DEVICE(&s->cmt[unit]); |
| qdev_prop_set_uint64(DEVICE(cmt), "input-freq", s->pclk_freq_hz); |
| sysbus_realize(cmt, &error_abort); |
| |
| irqbase = RX62N_CMT_IRQ + CMT_NR_IRQ * unit; |
| for (i = 0; i < CMT_NR_IRQ; i++) { |
| sysbus_connect_irq(cmt, i, s->irq[irqbase + i]); |
| } |
| sysbus_mmio_map(cmt, 0, RX62N_CMT_BASE + unit * 0x10); |
| } |
| |
| static void register_sci(RX62NState *s, int unit) |
| { |
| SysBusDevice *sci; |
| int i, irqbase; |
| |
| object_initialize_child(OBJECT(s), "sci[*]", |
| &s->sci[unit], TYPE_RENESAS_SCI); |
| sci = SYS_BUS_DEVICE(&s->sci[unit]); |
| qdev_prop_set_chr(DEVICE(sci), "chardev", serial_hd(unit)); |
| qdev_prop_set_uint64(DEVICE(sci), "input-freq", s->pclk_freq_hz); |
| sysbus_realize(sci, &error_abort); |
| |
| irqbase = RX62N_SCI_IRQ + SCI_NR_IRQ * unit; |
| for (i = 0; i < SCI_NR_IRQ; i++) { |
| sysbus_connect_irq(sci, i, s->irq[irqbase + i]); |
| } |
| sysbus_mmio_map(sci, 0, RX62N_SCI_BASE + unit * 0x08); |
| } |
| |
| static void rx62n_realize(DeviceState *dev, Error **errp) |
| { |
| RX62NState *s = RX62N_MCU(dev); |
| RX62NClass *rxc = RX62N_MCU_GET_CLASS(dev); |
| |
| if (s->xtal_freq_hz == 0) { |
| error_setg(errp, "\"xtal-frequency-hz\" property must be provided."); |
| return; |
| } |
| /* XTAL range: 8-14 MHz */ |
| if (s->xtal_freq_hz < RX62N_XTAL_MIN_HZ |
| || s->xtal_freq_hz > RX62N_XTAL_MAX_HZ) { |
| error_setg(errp, "\"xtal-frequency-hz\" property in incorrect range."); |
| return; |
| } |
| /* Use a 4x fixed multiplier */ |
| s->pclk_freq_hz = 4 * s->xtal_freq_hz; |
| /* PCLK range: 8-50 MHz */ |
| assert(s->pclk_freq_hz <= RX62N_PCLK_MAX_HZ); |
| |
| memory_region_init_ram(&s->iram, OBJECT(dev), "iram", |
| rxc->ram_size, &error_abort); |
| memory_region_add_subregion(s->sysmem, RX62N_IRAM_BASE, &s->iram); |
| memory_region_init_rom(&s->d_flash, OBJECT(dev), "flash-data", |
| rxc->data_flash_size, &error_abort); |
| memory_region_add_subregion(s->sysmem, RX62N_DFLASH_BASE, &s->d_flash); |
| memory_region_init_rom(&s->c_flash, OBJECT(dev), "flash-code", |
| rxc->rom_flash_size, &error_abort); |
| memory_region_add_subregion(s->sysmem, RX62N_CFLASH_BASE, &s->c_flash); |
| |
| /* Initialize CPU */ |
| object_initialize_child(OBJECT(s), "cpu", &s->cpu, TYPE_RX62N_CPU); |
| qdev_realize(DEVICE(&s->cpu), NULL, &error_abort); |
| |
| register_icu(s); |
| s->cpu.env.ack = qdev_get_gpio_in_named(DEVICE(&s->icu), "ack", 0); |
| register_tmr(s, 0); |
| register_tmr(s, 1); |
| register_cmt(s, 0); |
| register_cmt(s, 1); |
| register_sci(s, 0); |
| } |
| |
| static Property rx62n_properties[] = { |
| DEFINE_PROP_LINK("main-bus", RX62NState, sysmem, TYPE_MEMORY_REGION, |
| MemoryRegion *), |
| DEFINE_PROP_BOOL("load-kernel", RX62NState, kernel, false), |
| DEFINE_PROP_UINT32("xtal-frequency-hz", RX62NState, xtal_freq_hz, 0), |
| DEFINE_PROP_END_OF_LIST(), |
| }; |
| |
| static void rx62n_class_init(ObjectClass *klass, void *data) |
| { |
| DeviceClass *dc = DEVICE_CLASS(klass); |
| |
| dc->realize = rx62n_realize; |
| device_class_set_props(dc, rx62n_properties); |
| } |
| |
| static void r5f562n7_class_init(ObjectClass *oc, void *data) |
| { |
| RX62NClass *rxc = RX62N_MCU_CLASS(oc); |
| |
| rxc->ram_size = 64 * KiB; |
| rxc->rom_flash_size = 384 * KiB; |
| rxc->data_flash_size = 32 * KiB; |
| }; |
| |
| static void r5f562n8_class_init(ObjectClass *oc, void *data) |
| { |
| RX62NClass *rxc = RX62N_MCU_CLASS(oc); |
| |
| rxc->ram_size = 96 * KiB; |
| rxc->rom_flash_size = 512 * KiB; |
| rxc->data_flash_size = 32 * KiB; |
| }; |
| |
| static const TypeInfo rx62n_types[] = { |
| { |
| .name = TYPE_R5F562N7_MCU, |
| .parent = TYPE_RX62N_MCU, |
| .class_init = r5f562n7_class_init, |
| }, { |
| .name = TYPE_R5F562N8_MCU, |
| .parent = TYPE_RX62N_MCU, |
| .class_init = r5f562n8_class_init, |
| }, { |
| .name = TYPE_RX62N_MCU, |
| .parent = TYPE_DEVICE, |
| .instance_size = sizeof(RX62NState), |
| .class_size = sizeof(RX62NClass), |
| .class_init = rx62n_class_init, |
| .abstract = true, |
| } |
| }; |
| |
| DEFINE_TYPES(rx62n_types) |
