[RFC PATCH 23/23] hw/arm: add RT595-EVK board

[Octavian Purdila <tavip@google.com>]

Add basic support for the RT595-EVK board, enough to be able to run
the NXP's microXpresso SDK hello world example.

Signed-off-by: Octavian Purdila <tavip@google.com>
---
 hw/arm/Kconfig     |  5 ++++
 hw/arm/meson.build |  1 +
 hw/arm/rt595-evk.c | 64 ++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 70 insertions(+)
 create mode 100644 hw/arm/rt595-evk.c

diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig
index 7ffece3dec..26ec3d391a 100644
--- a/hw/arm/Kconfig
+++ b/hw/arm/Kconfig
@@ -720,3 +720,8 @@ config RT500
     select RT500_CLKCTL1
     select FLEXSPI
     select RT500_RSTCTL
+
+config RT595_EVK
+    bool
+    default y
+    select RT500
diff --git a/hw/arm/meson.build b/hw/arm/meson.build
index 7d827d512c..9792c93142 100644
--- a/hw/arm/meson.build
+++ b/hw/arm/meson.build
@@ -60,6 +60,7 @@ arm_ss.add(when: 'CONFIG_FSL_IMX6UL', if_true: files('fsl-imx6ul.c', 'mcimx6ul-e
 arm_ss.add(when: 'CONFIG_NRF51_SOC', if_true: files('nrf51_soc.c'))
 arm_ss.add(when: 'CONFIG_XEN', if_true: files('xen_arm.c'))
 arm_ss.add(when: 'CONFIG_RT500', if_true: files('rt500.c'))
+arm_ss.add(when: 'CONFIG_RT595_EVK', if_true: files('rt595-evk.c'))
 
 system_ss.add(when: 'CONFIG_ARM_SMMUV3', if_true: files('smmu-common.c'))
 system_ss.add(when: 'CONFIG_CHEETAH', if_true: files('palm.c'))
diff --git a/hw/arm/rt595-evk.c b/hw/arm/rt595-evk.c
new file mode 100644
index 0000000000..fff3004195
--- /dev/null
+++ b/hw/arm/rt595-evk.c
@@ -0,0 +1,64 @@
+/*
+ * i.MX RT595 EVK
+ *
+ * Copyright (c) 2024 Google LLC
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include "qemu/osdep.h"
+#include "elf.h"
+#include "exec/address-spaces.h"
+#include "hw/loader.h"
+#include "hw/sysbus.h"
+#include "hw/boards.h"
+#include "qemu/log.h"
+#include "hw/arm/armv7m.h"
+#include "hw/misc/unimp.h"
+#include "hw/arm/rt500.h"
+#include "hw/qdev-clock.h"
+#include "sysemu/reset.h"
+
+static void rt595_evk_reset(MachineState *ms, ShutdownCause reason)
+{
+    /*
+     * CPU reset is not done by default, we need to do it manually when the
+     * machine is reset.
+     */
+    cpu_reset(first_cpu);
+
+    qemu_devices_reset(reason);
+}
+
+static void rt595_evk_init(MachineState *ms)
+{
+    RT500State *s;
+    Clock *sysclk;
+
+    sysclk = clock_new(OBJECT(ms), "SYSCLK");
+    clock_set_hz(sysclk, 200000000);
+
+    s = RT500(object_new(TYPE_RT500));
+    qdev_connect_clock_in(DEVICE(s), "sysclk", sysclk);
+    object_property_add_child(OBJECT(ms), "soc", OBJECT(s));
+    sysbus_realize_and_unref(SYS_BUS_DEVICE(s), &error_fatal);
+
+    if (ms->kernel_filename) {
+        armv7m_load_kernel(ARM_CPU(first_cpu), ms->kernel_filename, 0, 0);
+    }
+}
+
+static void rt595_evk_machine_init(MachineClass *mc)
+{
+    mc->desc  = "RT595 EVK Machine (ARM Cortex-M33)";
+    mc->init  = rt595_evk_init;
+    mc->reset = rt595_evk_reset;
+
+    mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-m33");
+    mc->ignore_memory_transaction_failures = true;
+}
+
+DEFINE_MACHINE("rt595-evk", rt595_evk_machine_init);
-- 
2.46.0.rc2.264.g509ed76dc8-goog