hw/arm/aspeed_ast2600_fby35.c

/*
 * Facebook fby35
 *
 * Copyright 2016 IBM Corp.
 *
 * SPDX-License-Identifier: GPL-2.0-or-later
 */

#include "qemu/osdep.h"
#include "qapi/error.h"
#include "hw/arm/machines-qom.h"
#include "hw/arm/aspeed.h"
#include "hw/arm/aspeed_soc.h"
#include "hw/nvram/eeprom_at24c.h"
#include "hw/sensor/tmp105.h"
#include "system/reset.h"

#define TYPE_LM75 TYPE_TMP105
#define TYPE_TMP421 "tmp421"
#define FBY35_BMC_RAM_SIZE ASPEED_RAM_SIZE(2 * GiB)

static const uint8_t fby35_nic_fruid[] = {
    0x01, 0x00, 0x00, 0x01, 0x0f, 0x20, 0x00, 0xcf, 0x01, 0x0e, 0x19, 0xd7,
    0x5e, 0xcf, 0xc8, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xdd,
    0x4d, 0x65, 0x6c, 0x6c, 0x61, 0x6e, 0x6f, 0x78, 0x20, 0x43, 0x6f, 0x6e,
    0x6e, 0x65, 0x63, 0x74, 0x58, 0x2d, 0x36, 0x20, 0x44, 0x58, 0x20, 0x4f,
    0x43, 0x50, 0x33, 0x2e, 0x30, 0xd8, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
    0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
    0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xd5, 0x58, 0x58, 0x58, 0x58, 0x58,
    0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
    0x58, 0x58, 0x58, 0x58, 0xcc, 0x46, 0x52, 0x55, 0x20, 0x56, 0x65, 0x72,
    0x20, 0x30, 0x2e, 0x30, 0x32, 0xc0, 0xc0, 0xc0, 0xc1, 0x00, 0x00, 0x2f,
    0x01, 0x11, 0x19, 0xc8, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
    0xdd, 0x4d, 0x65, 0x6c, 0x6c, 0x61, 0x6e, 0x6f, 0x78, 0x20, 0x43, 0x6f,
    0x6e, 0x6e, 0x65, 0x63, 0x74, 0x58, 0x2d, 0x36, 0x20, 0x44, 0x58, 0x20,
    0x4f, 0x43, 0x50, 0x33, 0x2e, 0x30, 0xd5, 0x58, 0x58, 0x58, 0x58, 0x58,
    0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
    0x58, 0x58, 0x58, 0x58, 0xd3, 0x41, 0x39, 0x20, 0x20, 0x20, 0x20, 0x20,
    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
    0xd8, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
    0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
    0x58, 0xc0, 0xc0, 0xc0, 0xc0, 0xcd, 0x43, 0x6f, 0x6e, 0x6e, 0x65, 0x63,
    0x74, 0x58, 0x2d, 0x36, 0x20, 0x44, 0x58, 0xc1, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0xdb, 0xc0, 0x82, 0x30, 0x15, 0x79, 0x7f, 0xa6, 0x00,
    0x01, 0x18, 0x0b, 0xff, 0x08, 0x00, 0xff, 0xff, 0x64, 0x00, 0x00, 0x00,
    0x00, 0x03, 0x20, 0x01, 0xff, 0xff, 0x04, 0x46, 0x00, 0xff, 0xff, 0xff,
    0xff, 0xff, 0xff, 0xff, 0x01, 0x81, 0x09, 0x15, 0xb3, 0x10, 0x1d, 0x00,
    0x24, 0x15, 0xb3, 0x00, 0x02, 0xeb, 0x8a, 0x95, 0x5c,
};
static const size_t fby35_nic_fruid_len = sizeof(fby35_nic_fruid);

static const uint8_t fby35_bb_fruid[] = {
    0x01, 0x00, 0x01, 0x03, 0x10, 0x00, 0x00, 0xeb, 0x01, 0x02, 0x17, 0xc3,
    0x4e, 0x2f, 0x41, 0xc3, 0x4e, 0x2f, 0x41, 0xc1, 0x00, 0x00, 0x00, 0x23,
    0x01, 0x0d, 0x00, 0xb6, 0xd2, 0xd0, 0xc6, 0x58, 0x58, 0x58, 0x58, 0x58,
    0x58, 0xd5, 0x4d, 0x61, 0x6e, 0x61, 0x67, 0x65, 0x6d, 0x65, 0x6e, 0x74,
    0x20, 0x42, 0x6f, 0x61, 0x72, 0x64, 0x20, 0x77, 0x42, 0x4d, 0x43, 0xcd,
    0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
    0x58, 0xce, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
    0x58, 0x58, 0x58, 0x58, 0xc3, 0x31, 0x2e, 0x30, 0xc9, 0x58, 0x58, 0x58,
    0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xd2, 0x58, 0x58, 0x58, 0x58, 0x58,
    0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
    0x58, 0xc1, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa8, 0x01, 0x0c, 0x00, 0xc6,
    0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xd2, 0x59, 0x6f, 0x73, 0x65, 0x6d,
    0x69, 0x74, 0x65, 0x20, 0x56, 0x33, 0x2e, 0x35, 0x20, 0x45, 0x56, 0x54,
    0x32, 0xce, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
    0x58, 0x58, 0x58, 0x58, 0xc4, 0x45, 0x56, 0x54, 0x32, 0xcd, 0x58, 0x58,
    0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc7,
    0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc3, 0x31, 0x2e, 0x30, 0xc9,
    0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc3, 0x4e, 0x2f,
    0x41, 0xc1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x43,
};
static const size_t fby35_bb_fruid_len = sizeof(fby35_bb_fruid);

static const uint8_t fby35_bmc_fruid[] = {
    0x01, 0x00, 0x00, 0x01, 0x0d, 0x00, 0x00, 0xf1, 0x01, 0x0c, 0x00, 0x36,
    0xe6, 0xd0, 0xc6, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xd2, 0x42, 0x4d,
    0x43, 0x20, 0x53, 0x74, 0x6f, 0x72, 0x61, 0x67, 0x65, 0x20, 0x4d, 0x6f,
    0x64, 0x75, 0x6c, 0x65, 0xcd, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
    0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xce, 0x58, 0x58, 0x58, 0x58, 0x58,
    0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc3, 0x31, 0x2e,
    0x30, 0xc9, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xd2,
    0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
    0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc1, 0x39, 0x01, 0x0c, 0x00, 0xc6,
    0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xd2, 0x59, 0x6f, 0x73, 0x65, 0x6d,
    0x69, 0x74, 0x65, 0x20, 0x56, 0x33, 0x2e, 0x35, 0x20, 0x45, 0x56, 0x54,
    0x32, 0xce, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
    0x58, 0x58, 0x58, 0x58, 0xc4, 0x45, 0x56, 0x54, 0x32, 0xcd, 0x58, 0x58,
    0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc7,
    0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc3, 0x31, 0x2e, 0x30, 0xc9,
    0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0xc8, 0x43, 0x6f,
    0x6e, 0x66, 0x69, 0x67, 0x20, 0x41, 0xc1, 0x45,
};
static const size_t fby35_bmc_fruid_len = sizeof(fby35_bmc_fruid);

static void fby35_i2c_init(AspeedMachineState *bmc)
{
    AspeedSoCState *soc = bmc->soc;
    I2CBus *i2c[16];

    for (int i = 0; i < 16; i++) {
        i2c[i] = aspeed_i2c_get_bus(&soc->i2c, i);
    }

    i2c_slave_create_simple(i2c[2], TYPE_LM75, 0x4f);
    i2c_slave_create_simple(i2c[8], TYPE_TMP421, 0x1f);
    /* Hotswap controller is actually supposed to be mp5920 or ltc4282. */
    i2c_slave_create_simple(i2c[11], "adm1272", 0x44);
    i2c_slave_create_simple(i2c[12], TYPE_LM75, 0x4e);
    i2c_slave_create_simple(i2c[12], TYPE_LM75, 0x4f);

    at24c_eeprom_init(i2c[4], 0x51, 128 * KiB);
    at24c_eeprom_init(i2c[6], 0x51, 128 * KiB);
    at24c_eeprom_init_rom(i2c[8], 0x50, 32 * KiB, fby35_nic_fruid,
                          fby35_nic_fruid_len);
    at24c_eeprom_init_rom(i2c[11], 0x51, 128 * KiB, fby35_bb_fruid,
                          fby35_bb_fruid_len);
    at24c_eeprom_init_rom(i2c[11], 0x54, 128 * KiB, fby35_bmc_fruid,
                          fby35_bmc_fruid_len);

    /*
     * TODO: There is a multi-master i2c connection to an AST1030 MiniBMC on
     * buses 0, 1, 2, 3, and 9. Source address 0x10, target address 0x20 on
     * each.
     */
}

static void fby35_reset(MachineState *state, ResetType type)
{
    AspeedMachineState *bmc = ASPEED_MACHINE(state);
    AspeedGPIOState *gpio = &bmc->soc->gpio;

    qemu_devices_reset(type);

    /* Board ID: 7 (Class-1, 4 slots) */
    object_property_set_bool(OBJECT(gpio), "gpioV4", true, &error_fatal);
    object_property_set_bool(OBJECT(gpio), "gpioV5", true, &error_fatal);
    object_property_set_bool(OBJECT(gpio), "gpioV6", true, &error_fatal);
    object_property_set_bool(OBJECT(gpio), "gpioV7", false, &error_fatal);

    /* Slot presence pins, inverse polarity. (False means present) */
    object_property_set_bool(OBJECT(gpio), "gpioH4", false, &error_fatal);
    object_property_set_bool(OBJECT(gpio), "gpioH5", true, &error_fatal);
    object_property_set_bool(OBJECT(gpio), "gpioH6", true, &error_fatal);
    object_property_set_bool(OBJECT(gpio), "gpioH7", true, &error_fatal);

    /* Slot 12v power pins, normal polarity. (True means powered-on) */
    object_property_set_bool(OBJECT(gpio), "gpioB2", true, &error_fatal);
    object_property_set_bool(OBJECT(gpio), "gpioB3", false, &error_fatal);
    object_property_set_bool(OBJECT(gpio), "gpioB4", false, &error_fatal);
    object_property_set_bool(OBJECT(gpio), "gpioB5", false, &error_fatal);
}

static void aspeed_machine_fby35_class_init(ObjectClass *oc, const void *data)
{
    MachineClass *mc = MACHINE_CLASS(oc);
    AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);

    mc->desc       = "Facebook fby35 BMC (Cortex-A7)";
    mc->reset      = fby35_reset;
    amc->fmc_model = "mx66l1g45g";
    amc->num_cs    = 2;
    amc->macs_mask = ASPEED_MAC3_ON;
    amc->i2c_init  = fby35_i2c_init;
    mc->default_ram_size = FBY35_BMC_RAM_SIZE;
    aspeed_machine_class_init_cpus_defaults(mc);
}

static const TypeInfo aspeed_ast2600_fby35_types[] = {
    {
        .name          = MACHINE_TYPE_NAME("fby35-bmc"),
        .parent        = MACHINE_TYPE_NAME("ast2600-evb"),
        .class_init    = aspeed_machine_fby35_class_init,
        .interfaces    = arm_machine_interfaces,
    }
};

DEFINE_TYPES(aspeed_ast2600_fby35_types)