/*
 * Facebook Tiogapass
 *
 * 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"

/* value: 0xF100C2E6 */
#define TIOGAPASS_BMC_HW_STRAP1 ((                                        \
        AST2500_HW_STRAP1_DEFAULTS |                                    \
        SCU_AST2500_HW_STRAP_SPI_AUTOFETCH_ENABLE |                     \
        SCU_AST2500_HW_STRAP_GPIO_STRAP_ENABLE |                        \
        SCU_AST2500_HW_STRAP_UART_DEBUG |                               \
        SCU_AST2500_HW_STRAP_DDR4_ENABLE |                              \
        SCU_HW_STRAP_MAC1_RGMII |                                       \
        SCU_HW_STRAP_MAC0_RGMII) &                                      \
        ~SCU_HW_STRAP_2ND_BOOT_WDT)

/* Tiogapass BMC FRU */
static const uint8_t tiogapass_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, 0x54, 0x69, 0x6f, 0x67, 0x61,
    0x20, 0x50, 0x61, 0x73, 0x73, 0x20, 0x53, 0x69, 0x6e, 0x67, 0x6c, 0x65,
    0x32, 0xce, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58, 0x58,
    0x58, 0x58, 0x58, 0x58, 0xc4, 0x58, 0x58, 0x58, 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 tiogapass_bmc_fruid_len = sizeof(tiogapass_bmc_fruid);

static void tiogapass_bmc_i2c_init(AspeedMachineState *bmc)
{
    AspeedSoCState *soc = bmc->soc;

    at24c_eeprom_init(aspeed_i2c_get_bus(&soc->i2c, 4), 0x54, 128 * KiB);
    at24c_eeprom_init_rom(aspeed_i2c_get_bus(&soc->i2c, 6), 0x54, 128 * KiB,
                          tiogapass_bmc_fruid, tiogapass_bmc_fruid_len);
    /* TMP421 */
    i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 8), "tmp421", 0x1f);
    i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 6), "tmp421", 0x4f);
    i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 6), "tmp421", 0x4e);
}

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

    mc->desc       = "Facebook Tiogapass BMC (ARM1176)";
    amc->soc_name  = "ast2500-a1";
    amc->hw_strap1 = TIOGAPASS_BMC_HW_STRAP1;
    amc->hw_strap2 = 0;
    amc->fmc_model = "n25q256a";
    amc->spi_model = "mx25l25635e";
    amc->num_cs    = 2;
    amc->i2c_init  = tiogapass_bmc_i2c_init;
    mc->default_ram_size       = 1 * GiB;
    aspeed_machine_class_init_cpus_defaults(mc);
};

static const TypeInfo aspeed_ast2500_tiogapass_types[] = {
    {
        .name          = MACHINE_TYPE_NAME("tiogapass-bmc"),
        .parent        = TYPE_ASPEED_MACHINE,
        .class_init    = aspeed_machine_tiogapass_class_init,
        .interfaces    = arm_machine_interfaces,
    }
};

DEFINE_TYPES(aspeed_ast2500_tiogapass_types)
