1 files changed, 94 insertions, 0 deletions
diff --git a/roms/u-boot/arch/sandbox/cpu/spl.c b/roms/u-boot/arch/sandbox/cpu/spl.c
new file mode 100644
index 000000000..f82b0d3de
--- /dev/null
+++ b/roms/u-boot/arch/sandbox/cpu/spl.c
@@ -0,0 +1,94 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2016 Google, Inc
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <hang.h>
+#include <init.h>
+#include <log.h>
+#include <os.h>
+#include <spl.h>
+#include <asm/global_data.h>
+#include <asm/spl.h>
+#include <asm/state.h>
+#include <test/ut.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* SPL / TPL init function */
+void board_init_f(ulong flag)
+{
+	struct sandbox_state *state = state_get_current();
+
+	gd->arch.ram_buf = state->ram_buf;
+	gd->ram_size = state->ram_size;
+}
+
+u32 spl_boot_device(void)
+{
+	return BOOT_DEVICE_BOARD;
+}
+
+static int spl_board_load_image(struct spl_image_info *spl_image,
+				struct spl_boot_device *bootdev)
+{
+	char fname[256];
+	int ret;
+
+	ret = os_find_u_boot(fname, sizeof(fname), false);
+	if (ret) {
+		printf("(%s not found, error %d)\n", fname, ret);
+		return ret;
+	}
+
+	/*
+	 * Set up spl_image to boot from jump_to_image_no_args(). Allocate this
+	 * outsdide the RAM buffer (i.e. don't use strdup()).
+	 */
+	spl_image->arg = os_malloc(strlen(fname) + 1);
+	if (!spl_image->arg)
+		return log_msg_ret("exec", -ENOMEM);
+	strcpy(spl_image->arg, fname);
+
+	return 0;
+}
+SPL_LOAD_IMAGE_METHOD("sandbox", 9, BOOT_DEVICE_BOARD, spl_board_load_image);
+
+void spl_board_init(void)
+{
+	struct sandbox_state *state = state_get_current();
+
+	preloader_console_init();
+
+	if (state->run_unittests) {
+		struct unit_test *tests = UNIT_TEST_ALL_START();
+		const int count = UNIT_TEST_ALL_COUNT();
+		int ret;
+
+		ret = ut_run_list("spl", NULL, tests, count,
+				  state->select_unittests);
+		/* continue execution into U-Boot */
+	}
+}
+
+void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
+{
+	const char *fname = spl_image->arg;
+
+	if (fname) {
+		os_fd_restore();
+		os_spl_to_uboot(fname);
+	} else {
+		printf("No filename provided for U-Boot\n");
+	}
+	hang();
+}
+
+int handoff_arch_save(struct spl_handoff *ho)
+{
+	ho->arch.magic = TEST_HANDOFF_MAGIC;
+
+	return 0;
+}