| /* |
| * Machine definitions for boards featuring an NPCM7xx SoC. |
| * |
| * Copyright 2020 Google LLC |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the |
| * Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that 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. |
| */ |
| |
| #include "qemu/osdep.h" |
| |
| #include "hw/arm/npcm7xx.h" |
| #include "hw/core/cpu.h" |
| #include "hw/i2c/smbus_eeprom.h" |
| #include "hw/loader.h" |
| #include "hw/qdev-core.h" |
| #include "hw/qdev-properties.h" |
| #include "qapi/error.h" |
| #include "qemu-common.h" |
| #include "qemu/datadir.h" |
| #include "qemu/units.h" |
| |
| #define NPCM750_EVB_POWER_ON_STRAPS 0x00001ff7 |
| #define QUANTA_GSJ_POWER_ON_STRAPS 0x00001fff |
| |
| static const char npcm7xx_default_bootrom[] = "npcm7xx_bootrom.bin"; |
| |
| static void npcm7xx_load_bootrom(MachineState *machine, NPCM7xxState *soc) |
| { |
| const char *bios_name = machine->firmware ?: npcm7xx_default_bootrom; |
| g_autofree char *filename = NULL; |
| int ret; |
| |
| filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); |
| if (!filename) { |
| error_report("Could not find ROM image '%s'", bios_name); |
| if (!machine->kernel_filename) { |
| /* We can't boot without a bootrom or a kernel image. */ |
| exit(1); |
| } |
| return; |
| } |
| ret = load_image_mr(filename, &soc->irom); |
| if (ret < 0) { |
| error_report("Failed to load ROM image '%s'", filename); |
| exit(1); |
| } |
| } |
| |
| static void npcm7xx_connect_flash(NPCM7xxFIUState *fiu, int cs_no, |
| const char *flash_type, DriveInfo *dinfo) |
| { |
| DeviceState *flash; |
| qemu_irq flash_cs; |
| |
| flash = qdev_new(flash_type); |
| if (dinfo) { |
| qdev_prop_set_drive(flash, "drive", blk_by_legacy_dinfo(dinfo)); |
| } |
| qdev_realize_and_unref(flash, BUS(fiu->spi), &error_fatal); |
| |
| flash_cs = qdev_get_gpio_in_named(flash, SSI_GPIO_CS, 0); |
| qdev_connect_gpio_out_named(DEVICE(fiu), "cs", cs_no, flash_cs); |
| } |
| |
| static void npcm7xx_connect_dram(NPCM7xxState *soc, MemoryRegion *dram) |
| { |
| memory_region_add_subregion(get_system_memory(), NPCM7XX_DRAM_BA, dram); |
| |
| object_property_set_link(OBJECT(soc), "dram-mr", OBJECT(dram), |
| &error_abort); |
| } |
| |
| static NPCM7xxState *npcm7xx_create_soc(MachineState *machine, |
| uint32_t hw_straps) |
| { |
| NPCM7xxMachineClass *nmc = NPCM7XX_MACHINE_GET_CLASS(machine); |
| MachineClass *mc = MACHINE_CLASS(nmc); |
| Object *obj; |
| |
| if (strcmp(machine->cpu_type, mc->default_cpu_type) != 0) { |
| error_report("This board can only be used with %s", |
| mc->default_cpu_type); |
| exit(1); |
| } |
| |
| obj = object_new_with_props(nmc->soc_type, OBJECT(machine), "soc", |
| &error_abort, NULL); |
| object_property_set_uint(obj, "power-on-straps", hw_straps, &error_abort); |
| |
| return NPCM7XX(obj); |
| } |
| |
| static I2CBus *npcm7xx_i2c_get_bus(NPCM7xxState *soc, uint32_t num) |
| { |
| g_assert(num < ARRAY_SIZE(soc->smbus)); |
| return I2C_BUS(qdev_get_child_bus(DEVICE(&soc->smbus[num]), "i2c-bus")); |
| } |
| |
| static void at24c_eeprom_init(NPCM7xxState *soc, int bus, uint8_t addr, |
| uint32_t rsize) |
| { |
| I2CBus *i2c_bus = npcm7xx_i2c_get_bus(soc, bus); |
| I2CSlave *i2c_dev = i2c_slave_new("at24c-eeprom", addr); |
| DeviceState *dev = DEVICE(i2c_dev); |
| |
| qdev_prop_set_uint32(dev, "rom-size", rsize); |
| i2c_slave_realize_and_unref(i2c_dev, i2c_bus, &error_abort); |
| } |
| |
| static void npcm7xx_init_pwm_splitter(NPCM7xxMachine *machine, |
| NPCM7xxState *soc, const int *fan_counts) |
| { |
| SplitIRQ *splitters = machine->fan_splitter; |
| |
| /* |
| * PWM 0~3 belong to module 0 output 0~3. |
| * PWM 4~7 belong to module 1 output 0~3. |
| */ |
| for (int i = 0; i < NPCM7XX_NR_PWM_MODULES; ++i) { |
| for (int j = 0; j < NPCM7XX_PWM_PER_MODULE; ++j) { |
| int splitter_no = i * NPCM7XX_PWM_PER_MODULE + j; |
| DeviceState *splitter; |
| |
| if (fan_counts[splitter_no] < 1) { |
| continue; |
| } |
| object_initialize_child(OBJECT(machine), "fan-splitter[*]", |
| &splitters[splitter_no], TYPE_SPLIT_IRQ); |
| splitter = DEVICE(&splitters[splitter_no]); |
| qdev_prop_set_uint16(splitter, "num-lines", |
| fan_counts[splitter_no]); |
| qdev_realize(splitter, NULL, &error_abort); |
| qdev_connect_gpio_out_named(DEVICE(&soc->pwm[i]), "duty-gpio-out", |
| j, qdev_get_gpio_in(splitter, 0)); |
| } |
| } |
| } |
| |
| static void npcm7xx_connect_pwm_fan(NPCM7xxState *soc, SplitIRQ *splitter, |
| int fan_no, int output_no) |
| { |
| DeviceState *fan; |
| int fan_input; |
| qemu_irq fan_duty_gpio; |
| |
| g_assert(fan_no >= 0 && fan_no <= NPCM7XX_MFT_MAX_FAN_INPUT); |
| /* |
| * Fan 0~1 belong to module 0 input 0~1. |
| * Fan 2~3 belong to module 1 input 0~1. |
| * ... |
| * Fan 14~15 belong to module 7 input 0~1. |
| * Fan 16~17 belong to module 0 input 2~3. |
| * Fan 18~19 belong to module 1 input 2~3. |
| */ |
| if (fan_no < 16) { |
| fan = DEVICE(&soc->mft[fan_no / 2]); |
| fan_input = fan_no % 2; |
| } else { |
| fan = DEVICE(&soc->mft[(fan_no - 16) / 2]); |
| fan_input = fan_no % 2 + 2; |
| } |
| |
| /* Connect the Fan to PWM module */ |
| fan_duty_gpio = qdev_get_gpio_in_named(fan, "duty", fan_input); |
| qdev_connect_gpio_out(DEVICE(splitter), output_no, fan_duty_gpio); |
| } |
| |
| static void npcm750_evb_i2c_init(NPCM7xxState *soc) |
| { |
| /* lm75 temperature sensor on SVB, tmp105 is compatible */ |
| i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc, 0), "tmp105", 0x48); |
| /* lm75 temperature sensor on EB, tmp105 is compatible */ |
| i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc, 1), "tmp105", 0x48); |
| /* tmp100 temperature sensor on EB, tmp105 is compatible */ |
| i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc, 2), "tmp105", 0x48); |
| /* tmp100 temperature sensor on SVB, tmp105 is compatible */ |
| i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc, 6), "tmp105", 0x48); |
| } |
| |
| static void npcm750_evb_fan_init(NPCM7xxMachine *machine, NPCM7xxState *soc) |
| { |
| SplitIRQ *splitter = machine->fan_splitter; |
| static const int fan_counts[] = {2, 2, 2, 2, 2, 2, 2, 2}; |
| |
| npcm7xx_init_pwm_splitter(machine, soc, fan_counts); |
| npcm7xx_connect_pwm_fan(soc, &splitter[0], 0x00, 0); |
| npcm7xx_connect_pwm_fan(soc, &splitter[0], 0x01, 1); |
| npcm7xx_connect_pwm_fan(soc, &splitter[1], 0x02, 0); |
| npcm7xx_connect_pwm_fan(soc, &splitter[1], 0x03, 1); |
| npcm7xx_connect_pwm_fan(soc, &splitter[2], 0x04, 0); |
| npcm7xx_connect_pwm_fan(soc, &splitter[2], 0x05, 1); |
| npcm7xx_connect_pwm_fan(soc, &splitter[3], 0x06, 0); |
| npcm7xx_connect_pwm_fan(soc, &splitter[3], 0x07, 1); |
| npcm7xx_connect_pwm_fan(soc, &splitter[4], 0x08, 0); |
| npcm7xx_connect_pwm_fan(soc, &splitter[4], 0x09, 1); |
| npcm7xx_connect_pwm_fan(soc, &splitter[5], 0x0a, 0); |
| npcm7xx_connect_pwm_fan(soc, &splitter[5], 0x0b, 1); |
| npcm7xx_connect_pwm_fan(soc, &splitter[6], 0x0c, 0); |
| npcm7xx_connect_pwm_fan(soc, &splitter[6], 0x0d, 1); |
| npcm7xx_connect_pwm_fan(soc, &splitter[7], 0x0e, 0); |
| npcm7xx_connect_pwm_fan(soc, &splitter[7], 0x0f, 1); |
| } |
| |
| static void quanta_gsj_i2c_init(NPCM7xxState *soc) |
| { |
| /* GSJ machine have 4 max31725 temperature sensors, tmp105 is compatible. */ |
| i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc, 1), "tmp105", 0x5c); |
| i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc, 2), "tmp105", 0x5c); |
| i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc, 3), "tmp105", 0x5c); |
| i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc, 4), "tmp105", 0x5c); |
| |
| at24c_eeprom_init(soc, 9, 0x55, 8192); |
| at24c_eeprom_init(soc, 10, 0x55, 8192); |
| |
| /* TODO: Add additional i2c devices. */ |
| } |
| |
| static void quanta_gsj_fan_init(NPCM7xxMachine *machine, NPCM7xxState *soc) |
| { |
| SplitIRQ *splitter = machine->fan_splitter; |
| static const int fan_counts[] = {2, 2, 2, 0, 0, 0, 0, 0}; |
| |
| npcm7xx_init_pwm_splitter(machine, soc, fan_counts); |
| npcm7xx_connect_pwm_fan(soc, &splitter[0], 0x00, 0); |
| npcm7xx_connect_pwm_fan(soc, &splitter[0], 0x01, 1); |
| npcm7xx_connect_pwm_fan(soc, &splitter[1], 0x02, 0); |
| npcm7xx_connect_pwm_fan(soc, &splitter[1], 0x03, 1); |
| npcm7xx_connect_pwm_fan(soc, &splitter[2], 0x04, 0); |
| npcm7xx_connect_pwm_fan(soc, &splitter[2], 0x05, 1); |
| } |
| |
| static void npcm750_evb_init(MachineState *machine) |
| { |
| NPCM7xxState *soc; |
| |
| soc = npcm7xx_create_soc(machine, NPCM750_EVB_POWER_ON_STRAPS); |
| npcm7xx_connect_dram(soc, machine->ram); |
| qdev_realize(DEVICE(soc), NULL, &error_fatal); |
| |
| npcm7xx_load_bootrom(machine, soc); |
| npcm7xx_connect_flash(&soc->fiu[0], 0, "w25q256", drive_get(IF_MTD, 0, 0)); |
| npcm750_evb_i2c_init(soc); |
| npcm750_evb_fan_init(NPCM7XX_MACHINE(machine), soc); |
| npcm7xx_load_kernel(machine, soc); |
| } |
| |
| static void quanta_gsj_init(MachineState *machine) |
| { |
| NPCM7xxState *soc; |
| |
| soc = npcm7xx_create_soc(machine, QUANTA_GSJ_POWER_ON_STRAPS); |
| npcm7xx_connect_dram(soc, machine->ram); |
| qdev_realize(DEVICE(soc), NULL, &error_fatal); |
| |
| npcm7xx_load_bootrom(machine, soc); |
| npcm7xx_connect_flash(&soc->fiu[0], 0, "mx25l25635e", |
| drive_get(IF_MTD, 0, 0)); |
| quanta_gsj_i2c_init(soc); |
| quanta_gsj_fan_init(NPCM7XX_MACHINE(machine), soc); |
| npcm7xx_load_kernel(machine, soc); |
| } |
| |
| static void npcm7xx_set_soc_type(NPCM7xxMachineClass *nmc, const char *type) |
| { |
| NPCM7xxClass *sc = NPCM7XX_CLASS(object_class_by_name(type)); |
| MachineClass *mc = MACHINE_CLASS(nmc); |
| |
| nmc->soc_type = type; |
| mc->default_cpus = mc->min_cpus = mc->max_cpus = sc->num_cpus; |
| } |
| |
| static void npcm7xx_machine_class_init(ObjectClass *oc, void *data) |
| { |
| MachineClass *mc = MACHINE_CLASS(oc); |
| |
| mc->no_floppy = 1; |
| mc->no_cdrom = 1; |
| mc->no_parallel = 1; |
| mc->default_ram_id = "ram"; |
| mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a9"); |
| } |
| |
| /* |
| * Schematics: |
| * https://github.com/Nuvoton-Israel/nuvoton-info/blob/master/npcm7xx-poleg/evaluation-board/board_deliverables/NPCM750x_EB_ver.A1.1_COMPLETE.pdf |
| */ |
| static void npcm750_evb_machine_class_init(ObjectClass *oc, void *data) |
| { |
| NPCM7xxMachineClass *nmc = NPCM7XX_MACHINE_CLASS(oc); |
| MachineClass *mc = MACHINE_CLASS(oc); |
| |
| npcm7xx_set_soc_type(nmc, TYPE_NPCM750); |
| |
| mc->desc = "Nuvoton NPCM750 Evaluation Board (Cortex A9)"; |
| mc->init = npcm750_evb_init; |
| mc->default_ram_size = 512 * MiB; |
| }; |
| |
| static void gsj_machine_class_init(ObjectClass *oc, void *data) |
| { |
| NPCM7xxMachineClass *nmc = NPCM7XX_MACHINE_CLASS(oc); |
| MachineClass *mc = MACHINE_CLASS(oc); |
| |
| npcm7xx_set_soc_type(nmc, TYPE_NPCM730); |
| |
| mc->desc = "Quanta GSJ (Cortex A9)"; |
| mc->init = quanta_gsj_init; |
| mc->default_ram_size = 512 * MiB; |
| }; |
| |
| static const TypeInfo npcm7xx_machine_types[] = { |
| { |
| .name = TYPE_NPCM7XX_MACHINE, |
| .parent = TYPE_MACHINE, |
| .instance_size = sizeof(NPCM7xxMachine), |
| .class_size = sizeof(NPCM7xxMachineClass), |
| .class_init = npcm7xx_machine_class_init, |
| .abstract = true, |
| }, { |
| .name = MACHINE_TYPE_NAME("npcm750-evb"), |
| .parent = TYPE_NPCM7XX_MACHINE, |
| .class_init = npcm750_evb_machine_class_init, |
| }, { |
| .name = MACHINE_TYPE_NAME("quanta-gsj"), |
| .parent = TYPE_NPCM7XX_MACHINE, |
| .class_init = gsj_machine_class_init, |
| }, |
| }; |
| |
| DEFINE_TYPES(npcm7xx_machine_types) |