1 files changed, 57 insertions, 0 deletions
diff --git a/arch/arm/mach-owl/soc.c b/arch/arm/mach-owl/soc.c
new file mode 100644
index 0000000000..409cbd319f
--- /dev/null
+++ b/arch/arm/mach-owl/soc.c
@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Actions Semi Owl SoCs platform support.
+ *
+ * Copyright (C) 2018 Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+ */
+
+#include <cpu_func.h>
+#include <linux/arm-smccc.h>
+#include <linux/psci.h>
+#include <common.h>
+#include <asm/io.h>
+#include <asm/mach-types.h>
+#include <asm/psci.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * dram_init - sets uboots idea of sdram size
+ */
+int dram_init(void)
+{
+	gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
+	return 0;
+}
+
+/* This is called after dram_init() so use get_ram_size result */
+int dram_init_banksize(void)
+{
+	gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
+	gd->bd->bi_dram[0].size = gd->ram_size;
+
+	return 0;
+}
+
+static void show_psci_version(void)
+{
+	struct arm_smccc_res res;
+
+	arm_smccc_smc(ARM_PSCI_0_2_FN_PSCI_VERSION, 0, 0, 0, 0, 0, 0, 0, &res);
+
+	printf("PSCI:  v%ld.%ld\n",
+		PSCI_VERSION_MAJOR(res.a0),
+		PSCI_VERSION_MINOR(res.a0));
+}
+
+int board_init(void)
+{
+	show_psci_version();
+
+	return 0;
+}
+
+void reset_cpu(ulong addr)
+{
+	psci_system_reset();
+}