Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 168 insertions, 0 deletions

diff --git a/roms/u-boot/arch/arm/mach-omap2/fdt-common.c b/roms/u-boot/arch/arm/mach-omap2/fdt-common.c
new file mode 100644
index 000000000..5eb044731
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-omap2/fdt-common.c
@@ -0,0 +1,168 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2016-2017 Texas Instruments, Inc.
+ */
+
+#include <common.h>
+#include <log.h>
+#include <linux/libfdt.h>
+#include <fdt_support.h>
+
+#include <asm/omap_common.h>
+#include <asm/omap_sec_common.h>
+
+#ifdef CONFIG_TI_SECURE_DEVICE
+
+/* Give zero values if not already defined */
+#ifndef TI_OMAP5_SECURE_BOOT_RESV_SRAM_SZ
+#define TI_OMAP5_SECURE_BOOT_RESV_SRAM_SZ (0)
+#endif
+#ifndef CONFIG_SECURE_RUNTIME_RESV_SRAM_SZ
+#define CONFIG_SECURE_RUNTIME_RESV_SRAM_SZ (0)
+#endif
+
+int ft_hs_disable_rng(void *fdt, struct bd_info *bd)
+{
+	const char *path;
+	int offs;
+	int ret;
+
+	/* Make HW RNG reserved for secure world use */
+	path = "/ocp/rng";
+	offs = fdt_path_offset(fdt, path);
+	if (offs < 0) {
+		debug("Node %s not found.\n", path);
+		return 0;
+	}
+	ret = fdt_setprop_string(fdt, offs,
+				 "status", "disabled");
+	if (ret < 0) {
+		printf("Could not add status property to node %s: %s\n",
+		       path, fdt_strerror(ret));
+		return ret;
+	}
+	return 0;
+}
+
+#if (CONFIG_TI_SECURE_EMIF_TOTAL_REGION_SIZE != 0)
+/*
+ * fdt_pack_reg - pack address and size array into the "reg"-suitable stream
+ */
+static int fdt_pack_reg(const void *fdt, void *buf, u64 address, u64 size)
+{
+	int address_cells = fdt_address_cells(fdt, 0);
+	int size_cells = fdt_size_cells(fdt, 0);
+	char *p = buf;
+
+	if (address_cells == 2)
+		*(fdt64_t *)p = cpu_to_fdt64(address);
+	else
+		*(fdt32_t *)p = cpu_to_fdt32(address);
+	p += 4 * address_cells;
+
+	if (size_cells == 2)
+		*(fdt64_t *)p = cpu_to_fdt64(size);
+	else
+		*(fdt32_t *)p = cpu_to_fdt32(size);
+	p += 4 * size_cells;
+
+	return p - (char *)buf;
+}
+
+int ft_hs_fixup_dram(void *fdt, struct bd_info *bd)
+{
+	const char *path, *subpath;
+	int offs, len;
+	u32 sec_mem_start = get_sec_mem_start();
+	u32 sec_mem_size = CONFIG_TI_SECURE_EMIF_TOTAL_REGION_SIZE;
+	fdt32_t address_cells = cpu_to_fdt32(fdt_address_cells(fdt, 0));
+	fdt32_t size_cells = cpu_to_fdt32(fdt_size_cells(fdt, 0));
+	u8 temp[16]; /* Up to 64-bit address + 64-bit size */
+
+	/* Delete any original secure_reserved node */
+	path = "/reserved-memory/secure_reserved";
+	offs = fdt_path_offset(fdt, path);
+	if (offs >= 0)
+		fdt_del_node(fdt, offs);
+
+	/* Add new secure_reserved node */
+	path = "/reserved-memory";
+	offs = fdt_path_offset(fdt, path);
+	if (offs < 0) {
+		debug("Node %s not found\n", path);
+		path = "/";
+		subpath = "reserved-memory";
+		offs = fdt_path_offset(fdt, path);
+		offs = fdt_add_subnode(fdt, offs, subpath);
+		if (offs < 0) {
+			printf("Could not create %s%s node.\n", path, subpath);
+			return 1;
+		}
+		path = "/reserved-memory";
+		offs = fdt_path_offset(fdt, path);
+
+		fdt_setprop(fdt, offs, "#address-cells", &address_cells, sizeof(address_cells));
+		fdt_setprop(fdt, offs, "#size-cells", &size_cells, sizeof(size_cells));
+		fdt_setprop(fdt, offs, "ranges", NULL, 0);
+	}
+
+	subpath = "secure_reserved";
+	offs = fdt_add_subnode(fdt, offs, subpath);
+	if (offs < 0) {
+		printf("Could not create %s%s node.\n", path, subpath);
+		return 1;
+	}
+
+	fdt_setprop_string(fdt, offs, "compatible", "ti,secure-memory");
+	fdt_setprop_string(fdt, offs, "status", "okay");
+	fdt_setprop(fdt, offs, "no-map", NULL, 0);
+	len = fdt_pack_reg(fdt, temp, sec_mem_start, sec_mem_size);
+	fdt_setprop(fdt, offs, "reg", temp, len);
+
+	return 0;
+}
+#else
+int ft_hs_fixup_dram(void *fdt, struct bd_info *bd) { return 0; }
+#endif
+
+int ft_hs_add_tee(void *fdt, struct bd_info *bd)
+{
+	const char *path, *subpath;
+	int offs;
+
+	extern int tee_loaded;
+	if (!tee_loaded)
+		return 0;
+
+	path = "/firmware";
+	offs = fdt_path_offset(fdt, path);
+	if (offs < 0) {
+		path = "/";
+		offs = fdt_path_offset(fdt, path);
+		if (offs < 0) {
+			printf("Could not find root node.\n");
+			return 1;
+		}
+
+		subpath = "firmware";
+		offs = fdt_add_subnode(fdt, offs, subpath);
+		if (offs < 0) {
+			printf("Could not create %s node.\n", subpath);
+			return 1;
+		}
+	}
+
+	subpath = "optee";
+	offs = fdt_add_subnode(fdt, offs, subpath);
+	if (offs < 0) {
+		printf("Could not create %s node.\n", subpath);
+		return 1;
+	}
+
+	fdt_setprop_string(fdt, offs, "compatible", "linaro,optee-tz");
+	fdt_setprop_string(fdt, offs, "method", "smc");
+
+	return 0;
+}
+
+#endif