/* * 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/i2c_mux_pca954x.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/datadir.h" #include "qemu/units.h" #include "sysemu/blockdev.h" #include "sysemu/sysemu.h" #include "sysemu/block-backend.h" #define NPCM750_EVB_POWER_ON_STRAPS 0x00001ff7 #define QUANTA_GSJ_POWER_ON_STRAPS 0x00001fff #define QUANTA_GBS_POWER_ON_STRAPS 0x000017ff #define KUDO_BMC_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 void sdhci_attach_drive(SDHCIState *sdhci, int unit) { DriveInfo *di = drive_get(IF_SD, 0, unit); BlockBackend *blk = di ? blk_by_legacy_dinfo(di) : NULL; BusState *bus = qdev_get_child_bus(DEVICE(sdhci), "sd-bus"); if (bus == NULL) { error_report("No SD bus found in SOC object"); exit(1); } DeviceState *carddev = qdev_new(TYPE_SD_CARD); qdev_prop_set_drive_err(carddev, "drive", blk, &error_fatal); qdev_realize_and_unref(carddev, bus, &error_fatal); } 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); /* * i2c-11: * - power-brick@36: delta,dps800 * - hotswap@15: ti,lm5066i */ /* * i2c-12: * - ucd90160@6b */ i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc, 15), "pca9548", 0x75); } 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 quanta_gbs_i2c_init(NPCM7xxState *soc) { /* * i2c-0: * pca9546@71 * * i2c-1: * pca9535@24 * pca9535@20 * pca9535@21 * pca9535@22 * pca9535@23 * pca9535@25 * pca9535@26 * * i2c-2: * sbtsi@4c * * i2c-5: * atmel,24c64@50 mb_fru * pca9546@71 * - channel 0: max31725@54 * - channel 1: max31725@55 * - channel 2: max31725@5d * atmel,24c64@51 fan_fru * - channel 3: atmel,24c64@52 hsbp_fru * * i2c-6: * pca9545@73 * * i2c-7: * pca9545@72 * * i2c-8: * adi,adm1272@10 * * i2c-9: * pca9546@71 * - channel 0: isil,isl68137@60 * - channel 1: isil,isl68137@61 * - channel 2: isil,isl68137@63 * - channel 3: isil,isl68137@45 * * i2c-10: * pca9545@71 * * i2c-11: * pca9545@76 * * i2c-12: * maxim,max34451@4e * isil,isl68137@5d * isil,isl68137@5e * * i2c-14: * pca9545@70 */ } 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 quanta_gbs_init(MachineState *machine) { NPCM7xxState *soc; soc = npcm7xx_create_soc(machine, QUANTA_GBS_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, "mx66u51235f", drive_get(IF_MTD, 0, 0)); quanta_gbs_i2c_init(soc); sdhci_attach_drive(&soc->mmc.sdhci, 0); npcm7xx_load_kernel(machine, soc); } static void kudo_bmc_init(MachineState *machine) { NPCM7xxState *soc; soc = npcm7xx_create_soc(machine, KUDO_BMC_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, "mx66u51235f", drive_get(IF_MTD, 0, 0)); npcm7xx_connect_flash(&soc->fiu[1], 0, "mx66u51235f", drive_get(IF_MTD, 3, 0)); 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 void gbs_bmc_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 GBS (Cortex-A9)"; mc->init = quanta_gbs_init; mc->default_ram_size = 1 * GiB; } static void kudo_bmc_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 = "Kudo BMC (Cortex-A9)"; mc->init = kudo_bmc_init; mc->default_ram_size = 1 * GiB; }; 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, }, { .name = MACHINE_TYPE_NAME("quanta-gbs-bmc"), .parent = TYPE_NPCM7XX_MACHINE, .class_init = gbs_bmc_machine_class_init, }, { .name = MACHINE_TYPE_NAME("kudo-bmc"), .parent = TYPE_NPCM7XX_MACHINE, .class_init = kudo_bmc_machine_class_init, }, }; DEFINE_TYPES(npcm7xx_machine_types)