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authorAndrey Smirnov <andrew.smirnov@gmail.com>2018-03-09 17:09:43 +0000
committerPeter Maydell <peter.maydell@linaro.org>2018-03-09 17:09:43 +0000
commit843361ed04017da5f15c3b7a98b2e8849e39a984 (patch)
tree81780bc5f8f10036c705520e46b85a1bb414a57d /hw
parent757282ada8c64e233825d7e2ef1d8841fdf590fc (diff)
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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>
Diffstat (limited to 'hw')
-rw-r--r--hw/arm/Makefile.objs2
-rw-r--r--hw/arm/mcimx7d-sabre.c90
2 files changed, 91 insertions, 1 deletions
diff --git a/hw/arm/Makefile.objs b/hw/arm/Makefile.objs
index fcf764f..48474c3 100644
--- a/hw/arm/Makefile.objs
+++ b/hw/arm/Makefile.objs
@@ -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
diff --git a/hw/arm/mcimx7d-sabre.c b/hw/arm/mcimx7d-sabre.c
new file mode 100644
index 0000000..95fb409
--- /dev/null
+++ b/hw/arm/mcimx7d-sabre.c
@@ -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)