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qemu/hw/arm/aspeed_ast10x0_evb.c

109 lines
3.4 KiB
C

/*
* ASPEED AST10x0 EVB
*
* Copyright 2016 IBM Corp.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "hw/arm/boot.h"
#include "hw/arm/machines-qom.h"
#include "hw/arm/aspeed.h"
#include "hw/arm/aspeed_soc.h"
#include "hw/qdev-clock.h"
#include "system/system.h"
#include "hw/i2c/smbus_eeprom.h"
#define AST1030_INTERNAL_FLASH_SIZE (1024 * 1024)
/* Main SYSCLK frequency in Hz (200MHz) */
#define SYSCLK_FRQ 200000000ULL
static void aspeed_minibmc_machine_init(MachineState *machine)
{
AspeedMachineState *bmc = ASPEED_MACHINE(machine);
AspeedMachineClass *amc = ASPEED_MACHINE_GET_CLASS(machine);
Clock *sysclk;
sysclk = clock_new(OBJECT(machine), "SYSCLK");
clock_set_hz(sysclk, SYSCLK_FRQ);
bmc->soc = ASPEED_SOC(object_new(amc->soc_name));
object_property_add_child(OBJECT(machine), "soc", OBJECT(bmc->soc));
object_unref(OBJECT(bmc->soc));
qdev_connect_clock_in(DEVICE(bmc->soc), "sysclk", sysclk);
object_property_set_link(OBJECT(bmc->soc), "memory",
OBJECT(get_system_memory()), &error_abort);
aspeed_connect_serial_hds_to_uarts(bmc);
qdev_realize(DEVICE(bmc->soc), NULL, &error_abort);
if (defaults_enabled()) {
aspeed_board_init_flashes(&bmc->soc->fmc,
bmc->fmc_model ? bmc->fmc_model : amc->fmc_model,
amc->num_cs,
0);
aspeed_board_init_flashes(&bmc->soc->spi[0],
bmc->spi_model ? bmc->spi_model : amc->spi_model,
amc->num_cs, amc->num_cs);
aspeed_board_init_flashes(&bmc->soc->spi[1],
bmc->spi_model ? bmc->spi_model : amc->spi_model,
amc->num_cs, (amc->num_cs * 2));
}
if (amc->i2c_init) {
amc->i2c_init(bmc);
}
armv7m_load_kernel(ARM_CPU(first_cpu),
machine->kernel_filename,
0,
AST1030_INTERNAL_FLASH_SIZE);
}
static void ast1030_evb_i2c_init(AspeedMachineState *bmc)
{
AspeedSoCState *soc = bmc->soc;
/* U10 24C08 connects to SDA/SCL Group 1 by default */
uint8_t *eeprom_buf = g_malloc0(32 * 1024);
smbus_eeprom_init_one(aspeed_i2c_get_bus(&soc->i2c, 0), 0x50, eeprom_buf);
/* U11 LM75 connects to SDA/SCL Group 2 by default */
i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 1), "tmp105", 0x4d);
}
static void aspeed_minibmc_machine_ast1030_evb_class_init(ObjectClass *oc,
const void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);
mc->desc = "Aspeed AST1030 MiniBMC (Cortex-M4)";
amc->soc_name = "ast1030-a1";
amc->hw_strap1 = 0;
amc->hw_strap2 = 0;
mc->init = aspeed_minibmc_machine_init;
amc->i2c_init = ast1030_evb_i2c_init;
mc->default_ram_size = 0;
amc->fmc_model = "w25q80bl";
amc->spi_model = "w25q256";
amc->num_cs = 2;
amc->macs_mask = 0;
aspeed_machine_class_init_cpus_defaults(mc);
}
static const TypeInfo aspeed_ast10x0_evb_types[] = {
{
.name = MACHINE_TYPE_NAME("ast1030-evb"),
.parent = TYPE_ASPEED_MACHINE,
.class_init = aspeed_minibmc_machine_ast1030_evb_class_init,
.interfaces = arm_machine_interfaces,
}
};
DEFINE_TYPES(aspeed_ast10x0_evb_types)