feat(platforms/imx8mp-verdin): add platform

Signed-off-by: David Cerdeira <davidmcerdeira@gmail.com>

Author: DavidMCerdeira

README.md

@@ -44,6 +44,7 @@ platforms is presented below:
 - [x] Raspberry Pi 4
 - [x] QEMU virt
 - [x] Arm Fixed Virtual Platforms
+- [x] Toradex Verdin iMX8M Plus (w/ Dahlia Carrier Board)
 - [ ] BeagleBone AI-64
 - [ ] NXP MCIMX8M-EVK
 - [ ] 96Boards ROCK960

src/platform/imx8mp-verdin/desc.c

@@ -0,0 +1,32 @@
+/**
+ * SPDX-License-Identifier: Apache-2.0
+ * Copyright (c) Bao Project and Contributors. All rights reserved.
+ */
+
+#include <platform.h>
+
+struct platform platform = {
+    .cpu_num = 4,
+    .region_num = 1,
+    .regions =  (struct mem_region[]) {
+        {
+            .base = 0x40000000,
+            .size = 0x80000000, // 2 GiB
+        },
+    },
+
+    .console = {
+        .base = 0x30880000,
+    },
+
+    .arch = {
+        .gic = {
+	    .gicd_addr = 0x38800000,
+	    .gicr_addr = 0x38880000,
+	    .gicc_addr = 0x31000000,
+	    .gicv_addr = 0x31010000,
+	    .gich_addr = 0x31020000,
+            .maintenance_id = 25
+        },
+    }
+};

src/platform/imx8mp-verdin/inc/plat/platform.h

@@ -0,0 +1,11 @@
+/**
+ * SPDX-License-Identifier: Apache-2.0
+ * Copyright (c) Bao Project and Contributors. All rights reserved.
+ */
+
+#ifndef PLAT_PLATFORM_H
+#define PLAT_PLATFORM_H
+
+#include <drivers/imx_uart.h>
+
+#endif

src/platform/imx8mp-verdin/inc/plat/psci.h

@@ -0,0 +1,18 @@
+/**
+ * SPDX-License-Identifier: Apache-2.0
+ * Copyright (c) Bao Project and Contributors. All rights reserved.
+ */
+
+#ifndef PLAT_PSCI_H
+#define PLAT_PSCI_H
+
+#define PSCI_POWER_STATE_LVL_0            0x0000000
+#define PSCI_POWER_STATE_LVL_1            0x1000000
+#define PSCI_POWER_STATE_LVL_2            0x2000000
+#define PSCI_STATE_TYPE_STANDBY           0x00000
+#define PSCI_STATE_TYPE_BIT               (1UL << 16)
+#define PSCI_STATE_TYPE_POWERDOWN         PSCI_STATE_TYPE_BIT
+
+#define PLAT_PSCI_POWERDOWN_NOT_SUPPORTED 1
+
+#endif // PLAT_PSCI_H

src/platform/imx8mp-verdin/objects.mk

@@ -0,0 +1,4 @@
+## SPDX-License-Identifier: Apache-2.0
+## Copyright (c) Bao Project and Contributors. All rights reserved.
+
+boards-objs-y+=desc.o

src/platform/imx8mp-verdin/platform.mk

@@ -0,0 +1,18 @@
+## SPDX-License-Identifier: Apache-2.0
+## Copyright (c) Bao Project and Contributors. All rights reserved.
+
+# Architecture definition
+ARCH:=armv8
+# CPU definition
+CPU:=cortex-a53
+
+GIC_VERSION:=GICV3
+
+drivers = imx_uart
+
+platform_description:=desc.c
+
+platform-cppflags =
+platform-cflags = -mcpu=$(CPU)
+platform-asflags =
+platform-ldflags =