Add i.MX8 SoCs support

This patch adds i.MX8 SoCs ATFW support, including below
basic features:

* LPUART
* SCFW RPC
* SMP boot up

Each SoC will have its own platform definition and driver
to support.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Bai Ping <ping.bai@nxp.com>

1 files changed, 95 insertions, 0 deletions

diff --git a/plat/freescale/common/plat_imx8_gic.c b/plat/freescale/common/plat_imx8_gic.c
new file mode 100644
index 00000000..245cf4c7
--- /dev/null
+++ b/plat/freescale/common/plat_imx8_gic.c
@@ -0,0 +1,95 @@
+/*
+ * Copyright 2017 NXP
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of NXP nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <bl_common.h>
+#include <gicv3.h>
+#include <plat_imx8.h>
+#include <platform.h>
+#include <platform_def.h>
+
+/* the GICv3 driver only needs to be initialized in EL3 */
+uintptr_t rdistif_base_addrs[PLATFORM_CORE_COUNT];
+
+/* array of Group1 secure interrupts to be configured by the gic driver */
+const unsigned int g1s_interrupt_array[] = {
+	6
+};
+
+/* array of Group0 interrupts to be configured by the gic driver */
+const unsigned int g0_interrupt_array[] = {
+	7
+};
+
+const gicv3_driver_data_t arm_gic_data = {
+	.gicd_base = PLAT_GICD_BASE,
+	.gicr_base = PLAT_GICR_BASE,
+	.g0_interrupt_num = ARRAY_SIZE(g0_interrupt_array),
+	.g1s_interrupt_num = ARRAY_SIZE(g1s_interrupt_array),
+	.g0_interrupt_array = g0_interrupt_array,
+	.g1s_interrupt_array = g1s_interrupt_array,
+	.rdistif_num = PLATFORM_CORE_COUNT,
+	.rdistif_base_addrs = rdistif_base_addrs,
+	.mpidr_to_core_pos = plat_calc_core_pos,
+};
+
+void plat_gic_driver_init(void)
+{
+	/*
+	 * the GICv3 driver is initialized in EL3 and does not need
+	 * to be initialized again in SEL1. This is because the S-EL1
+	 * can use GIC system registers to manage interrupts and does
+	 * not need GIC interface base addresses to be configured.
+	 */
+#if IMAGE_BL31
+	gicv3_driver_init(&arm_gic_data);
+#endif
+}
+
+void plat_gic_init(void)
+{
+	gicv3_distif_init();
+	gicv3_rdistif_init(plat_my_core_pos());
+	gicv3_cpuif_enable(plat_my_core_pos());
+}
+
+void plat_gic_cpuif_enable(void)
+{
+	gicv3_cpuif_enable(plat_my_core_pos());
+}
+
+void plat_gic_cpuif_disable(void)
+{
+	gicv3_cpuif_disable(plat_my_core_pos());
+}
+
+void plat_gic_pcpu_init(void)
+{
+	gicv3_rdistif_init(plat_my_core_pos());
+}