778e14cc5c
You can test booting the BMC with both '-device loader' and '-drive
file'. This is necessary because of how the fb-openbmc boot sequence
works (jump to 0x20000000 after U-Boot SPL).
wget https://github.com/facebook/openbmc/releases/download/openbmc-e2294ff5d31d/fby35.mtd
qemu-system-arm -machine fby35 -nographic \
-device loader,file=fby35.mtd,addr=0,cpu-num=0 -drive file=fby35.mtd,format=raw,if=mtd
Signed-off-by: Peter Delevoryas <peter@pjd.dev>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20220705191400.41632-7-peter@pjd.dev>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
81 lines
2.3 KiB
C
81 lines
2.3 KiB
C
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates. (http://www.meta.com)
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*
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* This code is licensed under the GPL version 2 or later. See the COPYING
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* file in the top-level directory.
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*/
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#include "qemu/osdep.h"
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#include "qemu/units.h"
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#include "qapi/error.h"
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#include "sysemu/sysemu.h"
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#include "hw/boards.h"
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#include "hw/arm/aspeed_soc.h"
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#define TYPE_FBY35 MACHINE_TYPE_NAME("fby35")
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OBJECT_DECLARE_SIMPLE_TYPE(Fby35State, FBY35);
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struct Fby35State {
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MachineState parent_obj;
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MemoryRegion bmc_memory;
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MemoryRegion bmc_dram;
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MemoryRegion bmc_boot_rom;
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AspeedSoCState bmc;
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};
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#define FBY35_BMC_RAM_SIZE (2 * GiB)
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static void fby35_bmc_init(Fby35State *s)
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{
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memory_region_init(&s->bmc_memory, OBJECT(s), "bmc-memory", UINT64_MAX);
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memory_region_init_ram(&s->bmc_dram, OBJECT(s), "bmc-dram",
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FBY35_BMC_RAM_SIZE, &error_abort);
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object_initialize_child(OBJECT(s), "bmc", &s->bmc, "ast2600-a3");
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object_property_set_int(OBJECT(&s->bmc), "ram-size", FBY35_BMC_RAM_SIZE,
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&error_abort);
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object_property_set_link(OBJECT(&s->bmc), "memory", OBJECT(&s->bmc_memory),
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&error_abort);
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object_property_set_link(OBJECT(&s->bmc), "dram", OBJECT(&s->bmc_dram),
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&error_abort);
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object_property_set_int(OBJECT(&s->bmc), "hw-strap1", 0x000000C0,
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&error_abort);
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object_property_set_int(OBJECT(&s->bmc), "hw-strap2", 0x00000003,
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&error_abort);
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aspeed_soc_uart_set_chr(&s->bmc, ASPEED_DEV_UART5, serial_hd(0));
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qdev_realize(DEVICE(&s->bmc), NULL, &error_abort);
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aspeed_board_init_flashes(&s->bmc.fmc, "n25q00", 2, 0);
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}
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static void fby35_init(MachineState *machine)
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{
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Fby35State *s = FBY35(machine);
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fby35_bmc_init(s);
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}
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static void fby35_class_init(ObjectClass *oc, void *data)
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{
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MachineClass *mc = MACHINE_CLASS(oc);
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mc->desc = "Meta Platforms fby35";
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mc->init = fby35_init;
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mc->no_floppy = 1;
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mc->no_cdrom = 1;
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mc->min_cpus = mc->max_cpus = mc->default_cpus = 2;
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}
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static const TypeInfo fby35_types[] = {
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{
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.name = MACHINE_TYPE_NAME("fby35"),
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.parent = TYPE_MACHINE,
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.class_init = fby35_class_init,
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.instance_size = sizeof(Fby35State),
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},
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};
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DEFINE_TYPES(fby35_types);
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