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