4 files changed, 143 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/mach-owl/Kconfig b/roms/u-boot/arch/arm/mach-owl/Kconfig
new file mode 100644
index 000000000..cde2ade30
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-owl/Kconfig
@@ -0,0 +1,27 @@
+if ARCH_OWL
+
+choice
+        prompt "Actions Semi Owl SoC Variant"
+        optional
+
+config MACH_S900
+        bool "Actions Semi S900 SoC"
+        select ARM64
+
+config MACH_S700
+        bool "Actions Semi S700 SoC"
+        select ARM64
+
+endchoice
+
+config SYS_TEXT_BASE
+        default 0x11000000
+
+config SYS_CONFIG_NAME
+        default "owl-common"
+
+config SYS_SOC
+        default "s900" if MACH_S900
+        default "s700" if MACH_S700
+
+endif
diff --git a/roms/u-boot/arch/arm/mach-owl/Makefile b/roms/u-boot/arch/arm/mach-owl/Makefile
new file mode 100644
index 000000000..f3a69ebf1
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-owl/Makefile
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier:	GPL-2.0+
+
+obj-y += soc.o
+obj-$(CONFIG_ARM64) += sysmap-owl.o
diff --git a/roms/u-boot/arch/arm/mach-owl/soc.c b/roms/u-boot/arch/arm/mach-owl/soc.c
new file mode 100644
index 000000000..4baef2eed
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-owl/soc.c
@@ -0,0 +1,80 @@
+// 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 <init.h>
+#include <asm/cache.h>
+#include <asm/global_data.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>
+
+#define DMM_INTERLEAVE_PER_CH_CFG	0xe0290028
+
+DECLARE_GLOBAL_DATA_PTR;
+
+unsigned int owl_get_ddrcap(void)
+{
+	unsigned int val, cap;
+
+	/* ddr capacity register initialized by ddr driver
+	 * in early bootloader
+	 */
+#if defined(CONFIG_MACH_S700)
+	val = (readl(DMM_INTERLEAVE_PER_CH_CFG) >> 8) & 0x7;
+	cap =  (val + 1) * 256;
+#elif defined(CONFIG_MACH_S900)
+	val = (readl(DMM_INTERLEAVE_PER_CH_CFG) >> 8) & 0xf;
+	cap =  64 * (1 << val);
+#endif
+
+	return cap;
+}
+
+/*
+ * dram_init - sets uboots idea of sdram size
+ */
+int dram_init(void)
+{
+	gd->ram_size = owl_get_ddrcap() * 1024 * 1024;
+	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(void)
+{
+	psci_system_reset();
+}
diff --git a/roms/u-boot/arch/arm/mach-owl/sysmap-owl.c b/roms/u-boot/arch/arm/mach-owl/sysmap-owl.c
new file mode 100644
index 000000000..81f6ca2e4
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-owl/sysmap-owl.c
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Memory map for Actions Semi Owl series SoCs.
+ *
+ * Copyright (C) 2015 Actions Semi Co., Ltd.
+ * Copyright (C) 2018 Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+ */
+
+#include <common.h>
+#include <asm/armv8/mmu.h>
+
+static struct mm_region owl_mem_map[] = {
+	{
+		.virt = 0x0UL, /* DDR */
+		.phys = 0x0UL, /* DDR */
+		.size = 0x80000000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+			 PTE_BLOCK_INNER_SHARE
+	}, {
+		.virt = 0xE0000000UL, /* Peripheral block */
+		.phys = 0xE0000000UL, /* Peripheral block */
+		.size = 0x08000000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+			 PTE_BLOCK_NON_SHARE |
+			 PTE_BLOCK_PXN | PTE_BLOCK_UXN
+	}, {
+		/* List terminator */
+		0,
+	}
+};
+
+struct mm_region *mem_map = owl_mem_map;