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Implement support for i.MX7 Sabre board 

Implement code needed to set up emulation of MCIMX7SABRE board from
NXP. For more info about the HW see:

https://www.nxp.com/support/developer-resources/hardware-development-tools/sabre-development-system/sabre-board-for-smart-devices-based-on-the-i.mx-7dual-applications-processors:MCIMX7SABRE

Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: Marcel Apfelbaum <marcel.apfelbaum@zoho.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org
Cc: yurovsky@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Andrey Smirnov 2018-03-09 17:09:43 +00:00 committed by Peter Maydell
parent 757282ada8
commit 843361ed04
2 changed files with 91 additions and 1 deletions
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2
hw/arm/Makefile.objs
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@ -22,4 +22,4 @@ obj-$(CONFIG_MPS2) += mps2.o
obj-$(CONFIG_MPS2) += mps2-tz.o
obj-$(CONFIG_MSF2) += msf2-soc.o msf2-som.o
obj-$(CONFIG_IOTKIT) += iotkit.o
obj-$(CONFIG_FSL_IMX7) += fsl-imx7.o
obj-$(CONFIG_FSL_IMX7) += fsl-imx7.o mcimx7d-sabre.o

90
hw/arm/mcimx7d-sabre.c Normal file
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@ -0,0 +1,90 @@
/*
* Copyright (c) 2018, Impinj, Inc.
*
* MCIMX7D_SABRE Board System emulation.
*
* Author: Andrey Smirnov <andrew.smirnov@gmail.com>
*
* This code is licensed under the GPL, version 2 or later.
* See the file `COPYING' in the top level directory.
*
* It (partially) emulates a mcimx7d_sabre board, with a Freescale
* i.MX7 SoC
*/
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "qemu-common.h"
#include "hw/arm/fsl-imx7.h"
#include "hw/boards.h"
#include "sysemu/sysemu.h"
#include "sysemu/device_tree.h"
#include "qemu/error-report.h"
#include "sysemu/qtest.h"
#include "net/net.h"
typedef struct {
FslIMX7State soc;
MemoryRegion ram;
} MCIMX7Sabre;
static void mcimx7d_sabre_init(MachineState *machine)
{
static struct arm_boot_info boot_info;
MCIMX7Sabre *s = g_new0(MCIMX7Sabre, 1);
Object *soc;
int i;
if (machine->ram_size > FSL_IMX7_MMDC_SIZE) {
error_report("RAM size " RAM_ADDR_FMT " above max supported (%08x)",
machine->ram_size, FSL_IMX7_MMDC_SIZE);
exit(1);
}
boot_info = (struct arm_boot_info) {
.loader_start = FSL_IMX7_MMDC_ADDR,
.board_id = -1,
.ram_size = machine->ram_size,
.kernel_filename = machine->kernel_filename,
.kernel_cmdline = machine->kernel_cmdline,
.initrd_filename = machine->initrd_filename,
.nb_cpus = smp_cpus,
};
object_initialize(&s->soc, sizeof(s->soc), TYPE_FSL_IMX7);
soc = OBJECT(&s->soc);
object_property_add_child(OBJECT(machine), "soc", soc, &error_fatal);
object_property_set_bool(soc, true, "realized", &error_fatal);
memory_region_allocate_system_memory(&s->ram, NULL, "mcimx7d-sabre.ram",
machine->ram_size);
memory_region_add_subregion(get_system_memory(),
FSL_IMX7_MMDC_ADDR, &s->ram);
for (i = 0; i < FSL_IMX7_NUM_USDHCS; i++) {
BusState *bus;
DeviceState *carddev;
DriveInfo *di;
BlockBackend *blk;
di = drive_get_next(IF_SD);
blk = di ? blk_by_legacy_dinfo(di) : NULL;
bus = qdev_get_child_bus(DEVICE(&s->soc.usdhc[i]), "sd-bus");
carddev = qdev_create(bus, TYPE_SD_CARD);
qdev_prop_set_drive(carddev, "drive", blk, &error_fatal);
object_property_set_bool(OBJECT(carddev), true,
"realized", &error_fatal);
}
if (!qtest_enabled()) {
arm_load_kernel(&s->soc.cpu[0], &boot_info);
}
}
static void mcimx7d_sabre_machine_init(MachineClass *mc)
{
mc->desc = "Freescale i.MX7 DUAL SABRE (Cortex A7)";
mc->init = mcimx7d_sabre_init;
mc->max_cpus = FSL_IMX7_NUM_CPUS;
}
DEFINE_MACHINE("mcimx7d-sabre", mcimx7d_sabre_machine_init)