11 files changed, 918 insertions, 0 deletions

diff --git a/qemu/roms/u-boot/common/spl/Makefile b/qemu/roms/u-boot/common/spl/Makefile
new file mode 100644
index 000000000..64569c2cc
--- /dev/null
+++ b/qemu/roms/u-boot/common/spl/Makefile
@@ -0,0 +1,22 @@
+#
+# (C) Copyright 2012
+# Texas Instruments Incorporated - http://www.ti.com/
+# Aneesh V <aneesh@ti.com>
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+# Based on common/Makefile.
+#
+
+ifdef CONFIG_SPL_BUILD
+obj-$(CONFIG_SPL_FRAMEWORK) += spl.o
+obj-$(CONFIG_SPL_NOR_SUPPORT) += spl_nor.o
+obj-$(CONFIG_SPL_YMODEM_SUPPORT) += spl_ymodem.o
+obj-$(CONFIG_SPL_NAND_SUPPORT) += spl_nand.o
+obj-$(CONFIG_SPL_ONENAND_SUPPORT) += spl_onenand.o
+obj-$(CONFIG_SPL_NET_SUPPORT) += spl_net.o
+obj-$(CONFIG_SPL_MMC_SUPPORT) += spl_mmc.o
+obj-$(CONFIG_SPL_USB_SUPPORT) += spl_usb.o
+obj-$(CONFIG_SPL_FAT_SUPPORT) += spl_fat.o
+obj-$(CONFIG_SPL_SATA_SUPPORT) += spl_sata.o
+endif
diff --git a/qemu/roms/u-boot/common/spl/spl.c b/qemu/roms/u-boot/common/spl/spl.c
new file mode 100644
index 000000000..774fdad25
--- /dev/null
+++ b/qemu/roms/u-boot/common/spl/spl.c
@@ -0,0 +1,257 @@
+/*
+ * (C) Copyright 2010
+ * Texas Instruments, <www.ti.com>
+ *
+ * Aneesh V <aneesh@ti.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#include <common.h>
+#include <spl.h>
+#include <asm/u-boot.h>
+#include <nand.h>
+#include <fat.h>
+#include <version.h>
+#include <i2c.h>
+#include <image.h>
+#include <malloc.h>
+#include <linux/compiler.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifndef CONFIG_SYS_UBOOT_START
+#define CONFIG_SYS_UBOOT_START	CONFIG_SYS_TEXT_BASE
+#endif
+#ifndef CONFIG_SYS_MONITOR_LEN
+#define CONFIG_SYS_MONITOR_LEN	(200 * 1024)
+#endif
+
+u32 *boot_params_ptr = NULL;
+struct spl_image_info spl_image;
+
+/* Define board data structure */
+static bd_t bdata __attribute__ ((section(".data")));
+
+/*
+ * Default function to determine if u-boot or the OS should
+ * be started. This implementation always returns 1.
+ *
+ * Please implement your own board specific funcion to do this.
+ *
+ * RETURN
+ * 0 to not start u-boot
+ * positive if u-boot should start
+ */
+#ifdef CONFIG_SPL_OS_BOOT
+__weak int spl_start_uboot(void)
+{
+	puts("SPL: Please implement spl_start_uboot() for your board\n");
+	puts("SPL: Direct Linux boot not active!\n");
+	return 1;
+}
+#endif
+
+/*
+ * Weak default function for board specific cleanup/preparation before
+ * Linux boot. Some boards/platforms might not need it, so just provide
+ * an empty stub here.
+ */
+__weak void spl_board_prepare_for_linux(void)
+{
+	/* Nothing to do! */
+}
+
+void spl_parse_image_header(const struct image_header *header)
+{
+	u32 header_size = sizeof(struct image_header);
+
+	if (image_get_magic(header) == IH_MAGIC) {
+		if (spl_image.flags & SPL_COPY_PAYLOAD_ONLY) {
+			/*
+			 * On some system (e.g. powerpc), the load-address and
+			 * entry-point is located at address 0. We can't load
+			 * to 0-0x40. So skip header in this case.
+			 */
+			spl_image.load_addr = image_get_load(header);
+			spl_image.entry_point = image_get_ep(header);
+			spl_image.size = image_get_data_size(header);
+		} else {
+			spl_image.entry_point = image_get_load(header);
+			/* Load including the header */
+			spl_image.load_addr = spl_image.entry_point -
+				header_size;
+			spl_image.size = image_get_data_size(header) +
+				header_size;
+		}
+		spl_image.os = image_get_os(header);
+		spl_image.name = image_get_name(header);
+		debug("spl: payload image: %.*s load addr: 0x%x size: %d\n",
+			sizeof(spl_image.name), spl_image.name,
+			spl_image.load_addr, spl_image.size);
+	} else {
+		/* Signature not found - assume u-boot.bin */
+		debug("mkimage signature not found - ih_magic = %x\n",
+			header->ih_magic);
+		/* Let's assume U-Boot will not be more than 200 KB */
+		spl_image.size = CONFIG_SYS_MONITOR_LEN;
+		spl_image.entry_point = CONFIG_SYS_UBOOT_START;
+		spl_image.load_addr = CONFIG_SYS_TEXT_BASE;
+		spl_image.os = IH_OS_U_BOOT;
+		spl_image.name = "U-Boot";
+	}
+}
+
+__weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
+{
+	typedef void __noreturn (*image_entry_noargs_t)(void);
+
+	image_entry_noargs_t image_entry =
+			(image_entry_noargs_t) spl_image->entry_point;
+
+	debug("image entry point: 0x%X\n", spl_image->entry_point);
+	image_entry();
+}
+
+#ifdef CONFIG_SPL_RAM_DEVICE
+static void spl_ram_load_image(void)
+{
+	const struct image_header *header;
+
+	/*
+	 * Get the header.  It will point to an address defined by handoff
+	 * which will tell where the image located inside the flash. For
+	 * now, it will temporary fixed to address pointed by U-Boot.
+	 */
+	header = (struct image_header *)
+		(CONFIG_SYS_TEXT_BASE -	sizeof(struct image_header));
+
+	spl_parse_image_header(header);
+}
+#endif
+
+void board_init_r(gd_t *dummy1, ulong dummy2)
+{
+	u32 boot_device;
+	debug(">>spl:board_init_r()\n");
+
+#ifdef CONFIG_SYS_SPL_MALLOC_START
+	mem_malloc_init(CONFIG_SYS_SPL_MALLOC_START,
+			CONFIG_SYS_SPL_MALLOC_SIZE);
+#endif
+
+#ifndef CONFIG_PPC
+	/*
+	 * timer_init() does not exist on PPC systems. The timer is initialized
+	 * and enabled (decrementer) in interrupt_init() here.
+	 */
+	timer_init();
+#endif
+
+#ifdef CONFIG_SPL_BOARD_INIT
+	spl_board_init();
+#endif
+
+	boot_device = spl_boot_device();
+	debug("boot device - %d\n", boot_device);
+	switch (boot_device) {
+#ifdef CONFIG_SPL_RAM_DEVICE
+	case BOOT_DEVICE_RAM:
+		spl_ram_load_image();
+		break;
+#endif
+#ifdef CONFIG_SPL_MMC_SUPPORT
+	case BOOT_DEVICE_MMC1:
+	case BOOT_DEVICE_MMC2:
+	case BOOT_DEVICE_MMC2_2:
+		spl_mmc_load_image();
+		break;
+#endif
+#ifdef CONFIG_SPL_NAND_SUPPORT
+	case BOOT_DEVICE_NAND:
+		spl_nand_load_image();
+		break;
+#endif
+#ifdef CONFIG_SPL_ONENAND_SUPPORT
+	case BOOT_DEVICE_ONENAND:
+		spl_onenand_load_image();
+		break;
+#endif
+#ifdef CONFIG_SPL_NOR_SUPPORT
+	case BOOT_DEVICE_NOR:
+		spl_nor_load_image();
+		break;
+#endif
+#ifdef CONFIG_SPL_YMODEM_SUPPORT
+	case BOOT_DEVICE_UART:
+		spl_ymodem_load_image();
+		break;
+#endif
+#ifdef CONFIG_SPL_SPI_SUPPORT
+	case BOOT_DEVICE_SPI:
+		spl_spi_load_image();
+		break;
+#endif
+#ifdef CONFIG_SPL_ETH_SUPPORT
+	case BOOT_DEVICE_CPGMAC:
+#ifdef CONFIG_SPL_ETH_DEVICE
+		spl_net_load_image(CONFIG_SPL_ETH_DEVICE);
+#else
+		spl_net_load_image(NULL);
+#endif
+		break;
+#endif
+#ifdef CONFIG_SPL_USBETH_SUPPORT
+	case BOOT_DEVICE_USBETH:
+		spl_net_load_image("usb_ether");
+		break;
+#endif
+#ifdef CONFIG_SPL_USB_SUPPORT
+	case BOOT_DEVICE_USB:
+		spl_usb_load_image();
+		break;
+#endif
+#ifdef CONFIG_SPL_SATA_SUPPORT
+	case BOOT_DEVICE_SATA:
+		spl_sata_load_image();
+		break;
+#endif
+	default:
+		debug("SPL: Un-supported Boot Device\n");
+		hang();
+	}
+
+	switch (spl_image.os) {
+	case IH_OS_U_BOOT:
+		debug("Jumping to U-Boot\n");
+		break;
+#ifdef CONFIG_SPL_OS_BOOT
+	case IH_OS_LINUX:
+		debug("Jumping to Linux\n");
+		spl_board_prepare_for_linux();
+		jump_to_image_linux((void *)CONFIG_SYS_SPL_ARGS_ADDR);
+#endif
+	default:
+		debug("Unsupported OS image.. Jumping nevertheless..\n");
+	}
+	jump_to_image_no_args(&spl_image);
+}
+
+/*
+ * This requires UART clocks to be enabled.  In order for this to work the
+ * caller must ensure that the gd pointer is valid.
+ */
+void preloader_console_init(void)
+{
+	gd->bd = &bdata;
+	gd->baudrate = CONFIG_BAUDRATE;
+
+	serial_init();		/* serial communications setup */
+
+	gd->have_console = 1;
+
+	puts("\nU-Boot SPL " PLAIN_VERSION " (" U_BOOT_DATE " - " \
+			U_BOOT_TIME ")\n");
+#ifdef CONFIG_SPL_DISPLAY_PRINT
+	spl_display_print();
+#endif
+}
diff --git a/qemu/roms/u-boot/common/spl/spl_fat.c b/qemu/roms/u-boot/common/spl/spl_fat.c
new file mode 100644
index 000000000..56be94388
--- /dev/null
+++ b/qemu/roms/u-boot/common/spl/spl_fat.c
@@ -0,0 +1,123 @@
+/*
+ * (C) Copyright 2014
+ * Texas Instruments, <www.ti.com>
+ *
+ * Dan Murphy <dmurphy@ti.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ *
+ * FAT Image Functions copied from spl_mmc.c
+ */
+
+#include <common.h>
+#include <spl.h>
+#include <asm/u-boot.h>
+#include <fat.h>
+#include <image.h>
+
+static int fat_registered;
+
+#ifdef CONFIG_SPL_FAT_SUPPORT
+static int spl_register_fat_device(block_dev_desc_t *block_dev, int partition)
+{
+	int err = 0;
+
+	if (fat_registered)
+		return err;
+
+	err = fat_register_device(block_dev, partition);
+	if (err) {
+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
+		printf("%s: fat register err - %d\n", __func__, err);
+#endif
+		hang();
+	}
+
+	fat_registered = 1;
+
+	return err;
+}
+
+int spl_load_image_fat(block_dev_desc_t *block_dev,
+						int partition,
+						const char *filename)
+{
+	int err;
+	struct image_header *header;
+
+	err = spl_register_fat_device(block_dev, partition);
+	if (err)
+		goto end;
+
+	header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
+						sizeof(struct image_header));
+
+	err = file_fat_read(filename, header, sizeof(struct image_header));
+	if (err <= 0)
+		goto end;
+
+	spl_parse_image_header(header);
+
+	err = file_fat_read(filename, (u8 *)spl_image.load_addr, 0);
+
+end:
+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
+	if (err <= 0)
+		printf("%s: error reading image %s, err - %d\n",
+		       __func__, filename, err);
+#endif
+
+	return (err <= 0);
+}
+
+#ifdef CONFIG_SPL_OS_BOOT
+int spl_load_image_fat_os(block_dev_desc_t *block_dev, int partition)
+{
+	int err;
+	__maybe_unused char *file;
+
+	err = spl_register_fat_device(block_dev, partition);
+	if (err)
+		return err;
+
+#if defined(CONFIG_SPL_ENV_SUPPORT) && defined(CONFIG_SPL_OS_BOOT)
+	file = getenv("falcon_args_file");
+	if (file) {
+		err = file_fat_read(file, (void *)CONFIG_SYS_SPL_ARGS_ADDR, 0);
+		if (err <= 0) {
+			printf("spl: error reading image %s, err - %d, falling back to default\n",
+			       file, err);
+			goto defaults;
+		}
+		file = getenv("falcon_image_file");
+		if (file) {
+			err = spl_load_image_fat(block_dev, partition, file);
+			if (err != 0) {
+				puts("spl: falling back to default\n");
+				goto defaults;
+			}
+
+			return 0;
+		} else
+			puts("spl: falcon_image_file not set in environment, falling back to default\n");
+	} else
+		puts("spl: falcon_args_file not set in environment, falling back to default\n");
+
+defaults:
+#endif
+
+	err = file_fat_read(CONFIG_SPL_FAT_LOAD_ARGS_NAME,
+			    (void *)CONFIG_SYS_SPL_ARGS_ADDR, 0);
+	if (err <= 0) {
+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
+		printf("%s: error reading image %s, err - %d\n",
+		       __func__, CONFIG_SPL_FAT_LOAD_ARGS_NAME, err);
+#endif
+		return -1;
+	}
+
+	return spl_load_image_fat(block_dev, partition,
+			CONFIG_SPL_FAT_LOAD_KERNEL_NAME);
+}
+#endif
+#endif
diff --git a/qemu/roms/u-boot/common/spl/spl_mmc.c b/qemu/roms/u-boot/common/spl/spl_mmc.c
new file mode 100644
index 000000000..fa6f891bc
--- /dev/null
+++ b/qemu/roms/u-boot/common/spl/spl_mmc.c
@@ -0,0 +1,147 @@
+/*
+ * (C) Copyright 2010
+ * Texas Instruments, <www.ti.com>
+ *
+ * Aneesh V <aneesh@ti.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#include <common.h>
+#include <spl.h>
+#include <asm/u-boot.h>
+#include <mmc.h>
+#include <version.h>
+#include <image.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static int mmc_load_image_raw(struct mmc *mmc, unsigned long sector)
+{
+	unsigned long err;
+	u32 image_size_sectors;
+	struct image_header *header;
+
+	header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
+						sizeof(struct image_header));
+
+	/* read image header to find the image size & load address */
+	err = mmc->block_dev.block_read(0, sector, 1, header);
+	if (err == 0)
+		goto end;
+
+	if (image_get_magic(header) != IH_MAGIC)
+		return -1;
+
+	spl_parse_image_header(header);
+
+	/* convert size to sectors - round up */
+	image_size_sectors = (spl_image.size + mmc->read_bl_len - 1) /
+				mmc->read_bl_len;
+
+	/* Read the header too to avoid extra memcpy */
+	err = mmc->block_dev.block_read(0, sector, image_size_sectors,
+					(void *)spl_image.load_addr);
+
+end:
+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
+	if (err == 0)
+		printf("spl: mmc blk read err - %lu\n", err);
+#endif
+
+	return (err == 0);
+}
+
+#ifdef CONFIG_SPL_OS_BOOT
+static int mmc_load_image_raw_os(struct mmc *mmc)
+{
+	if (!mmc->block_dev.block_read(0,
+				       CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR,
+				       CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS,
+				       (void *)CONFIG_SYS_SPL_ARGS_ADDR)) {
+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
+		printf("mmc args blk read error\n");
+#endif
+		return -1;
+	}
+
+	return mmc_load_image_raw(mmc, CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR);
+}
+#endif
+
+void spl_mmc_load_image(void)
+{
+	struct mmc *mmc;
+	int err;
+	u32 boot_mode;
+
+	mmc_initialize(gd->bd);
+	/* We register only one device. So, the dev id is always 0 */
+	mmc = find_mmc_device(0);
+	if (!mmc) {
+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
+		puts("spl: mmc device not found!!\n");
+#endif
+		hang();
+	}
+
+	err = mmc_init(mmc);
+	if (err) {
+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
+		printf("spl: mmc init failed: err - %d\n", err);
+#endif
+		hang();
+	}
+
+	boot_mode = spl_boot_mode();
+	if (boot_mode == MMCSD_MODE_RAW) {
+		debug("boot mode - RAW\n");
+#ifdef CONFIG_SPL_OS_BOOT
+		if (spl_start_uboot() || mmc_load_image_raw_os(mmc))
+#endif
+		err = mmc_load_image_raw(mmc,
+			CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
+#ifdef CONFIG_SPL_FAT_SUPPORT
+	} else if (boot_mode == MMCSD_MODE_FAT) {
+		debug("boot mode - FAT\n");
+#ifdef CONFIG_SPL_OS_BOOT
+		if (spl_start_uboot() || spl_load_image_fat_os(&mmc->block_dev,
+								CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION))
+#endif
+		err = spl_load_image_fat(&mmc->block_dev,
+					CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION,
+					CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME);
+#endif
+#ifdef CONFIG_SUPPORT_EMMC_BOOT
+	} else if (boot_mode == MMCSD_MODE_EMMCBOOT) {
+		/*
+		 * We need to check what the partition is configured to.
+		 * 1 and 2 match up to boot0 / boot1 and 7 is user data
+		 * which is the first physical partition (0).
+		 */
+		int part = (mmc->part_config >> 3) & PART_ACCESS_MASK;
+
+		if (part == 7)
+			part = 0;
+
+		if (mmc_switch_part(0, part)) {
+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
+			puts("MMC partition switch failed\n");
+#endif
+			hang();
+		}
+#ifdef CONFIG_SPL_OS_BOOT
+		if (spl_start_uboot() || mmc_load_image_raw_os(mmc))
+#endif
+		err = mmc_load_image_raw(mmc,
+			CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
+#endif
+	} else {
+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
+		puts("spl: wrong MMC boot mode\n");
+#endif
+		hang();
+	}
+
+	if (err)
+		hang();
+}
diff --git a/qemu/roms/u-boot/common/spl/spl_nand.c b/qemu/roms/u-boot/common/spl/spl_nand.c
new file mode 100644
index 000000000..9da021862
--- /dev/null
+++ b/qemu/roms/u-boot/common/spl/spl_nand.c
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2011
+ * Corscience GmbH & Co. KG - Simon Schwarz <schwarz@corscience.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#include <common.h>
+#include <config.h>
+#include <spl.h>
+#include <asm/io.h>
+#include <nand.h>
+
+void spl_nand_load_image(void)
+{
+	struct image_header *header;
+	int *src __attribute__((unused));
+	int *dst __attribute__((unused));
+
+	debug("spl: nand - using hw ecc\n");
+	nand_init();
+
+	/*use CONFIG_SYS_TEXT_BASE as temporary storage area */
+	header = (struct image_header *)(CONFIG_SYS_TEXT_BASE);
+#ifdef CONFIG_SPL_OS_BOOT
+	if (!spl_start_uboot()) {
+		/*
+		 * load parameter image
+		 * load to temp position since nand_spl_load_image reads
+		 * a whole block which is typically larger than
+		 * CONFIG_CMD_SPL_WRITE_SIZE therefore may overwrite
+		 * following sections like BSS
+		 */
+		nand_spl_load_image(CONFIG_CMD_SPL_NAND_OFS,
+			CONFIG_CMD_SPL_WRITE_SIZE,
+			(void *)CONFIG_SYS_TEXT_BASE);
+		/* copy to destintion */
+		for (dst = (int *)CONFIG_SYS_SPL_ARGS_ADDR,
+				src = (int *)CONFIG_SYS_TEXT_BASE;
+				src < (int *)(CONFIG_SYS_TEXT_BASE +
+				CONFIG_CMD_SPL_WRITE_SIZE);
+				src++, dst++) {
+			writel(readl(src), dst);
+		}
+
+		/* load linux */
+		nand_spl_load_image(CONFIG_SYS_NAND_SPL_KERNEL_OFFS,
+			CONFIG_SYS_NAND_PAGE_SIZE, (void *)header);
+		spl_parse_image_header(header);
+		if (header->ih_os == IH_OS_LINUX) {
+			/* happy - was a linux */
+			nand_spl_load_image(CONFIG_SYS_NAND_SPL_KERNEL_OFFS,
+				spl_image.size, (void *)spl_image.load_addr);
+			nand_deselect();
+			return;
+		} else {
+			puts("The Expected Linux image was not "
+				"found. Please check your NAND "
+				"configuration.\n");
+			puts("Trying to start u-boot now...\n");
+		}
+	}
+#endif
+#ifdef CONFIG_NAND_ENV_DST
+	nand_spl_load_image(CONFIG_ENV_OFFSET,
+		CONFIG_SYS_NAND_PAGE_SIZE, (void *)header);
+	spl_parse_image_header(header);
+	nand_spl_load_image(CONFIG_ENV_OFFSET, spl_image.size,
+		(void *)spl_image.load_addr);
+#ifdef CONFIG_ENV_OFFSET_REDUND
+	nand_spl_load_image(CONFIG_ENV_OFFSET_REDUND,
+		CONFIG_SYS_NAND_PAGE_SIZE, (void *)header);
+	spl_parse_image_header(header);
+	nand_spl_load_image(CONFIG_ENV_OFFSET_REDUND, spl_image.size,
+		(void *)spl_image.load_addr);
+#endif
+#endif
+	/* Load u-boot */
+	nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS,
+		CONFIG_SYS_NAND_PAGE_SIZE, (void *)header);
+	spl_parse_image_header(header);
+	nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS,
+		spl_image.size, (void *)spl_image.load_addr);
+	nand_deselect();
+}
diff --git a/qemu/roms/u-boot/common/spl/spl_net.c b/qemu/roms/u-boot/common/spl/spl_net.c
new file mode 100644
index 000000000..ff5370592
--- /dev/null
+++ b/qemu/roms/u-boot/common/spl/spl_net.c
@@ -0,0 +1,37 @@
+/*
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2012
+ * Ilya Yanok <ilya.yanok@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#include <common.h>
+#include <spl.h>
+#include <net.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void spl_net_load_image(const char *device)
+{
+	int rv;
+
+	env_init();
+	env_relocate();
+	setenv("autoload", "yes");
+	load_addr = CONFIG_SYS_TEXT_BASE - sizeof(struct image_header);
+	rv = eth_initialize(gd->bd);
+	if (rv == 0) {
+		printf("No Ethernet devices found\n");
+		hang();
+	}
+	if (device)
+		setenv("ethact", device);
+	rv = NetLoop(BOOTP);
+	if (rv < 0) {
+		printf("Problem booting with BOOTP\n");
+		hang();
+	}
+	spl_parse_image_header((struct image_header *)load_addr);
+}
diff --git a/qemu/roms/u-boot/common/spl/spl_nor.c b/qemu/roms/u-boot/common/spl/spl_nor.c
new file mode 100644
index 000000000..b444a3ea2
--- /dev/null
+++ b/qemu/roms/u-boot/common/spl/spl_nor.c
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2012 Stefan Roese <sr@denx.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <spl.h>
+
+void spl_nor_load_image(void)
+{
+	/*
+	 * Loading of the payload to SDRAM is done with skipping of
+	 * the mkimage header in this SPL NOR driver
+	 */
+	spl_image.flags |= SPL_COPY_PAYLOAD_ONLY;
+
+	if (spl_start_uboot()) {
+		/*
+		 * Load real U-Boot from its location in NOR flash to its
+		 * defined location in SDRAM
+		 */
+		spl_parse_image_header(
+			(const struct image_header *)CONFIG_SYS_UBOOT_BASE);
+
+		memcpy((void *)spl_image.load_addr,
+		       (void *)(CONFIG_SYS_UBOOT_BASE +
+				sizeof(struct image_header)),
+		       spl_image.size);
+	} else {
+		/*
+		 * Load Linux from its location in NOR flash to its defined
+		 * location in SDRAM
+		 */
+		spl_parse_image_header(
+			(const struct image_header *)CONFIG_SYS_OS_BASE);
+
+		memcpy((void *)spl_image.load_addr,
+		       (void *)(CONFIG_SYS_OS_BASE +
+				sizeof(struct image_header)),
+		       spl_image.size);
+
+		/*
+		 * Copy DT blob (fdt) to SDRAM. Passing pointer to flash
+		 * doesn't work (16 KiB should be enough for DT)
+		 */
+		memcpy((void *)CONFIG_SYS_SPL_ARGS_ADDR,
+		       (void *)(CONFIG_SYS_FDT_BASE),
+		       (16 << 10));
+	}
+}
diff --git a/qemu/roms/u-boot/common/spl/spl_onenand.c b/qemu/roms/u-boot/common/spl/spl_onenand.c
new file mode 100644
index 000000000..d8d80974f
--- /dev/null
+++ b/qemu/roms/u-boot/common/spl/spl_onenand.c
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2013
+ * ISEE 2007 SL - Enric Balletbo i Serra <eballetbo@iseebcn.com>
+ *
+ * Based on common/spl/spl_nand.c
+ * Copyright (C) 2011
+ * Corscience GmbH & Co. KG - Simon Schwarz <schwarz@corscience.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#include <common.h>
+#include <config.h>
+#include <spl.h>
+#include <asm/io.h>
+#include <onenand_uboot.h>
+
+void spl_onenand_load_image(void)
+{
+	struct image_header *header;
+
+	debug("spl: onenand\n");
+
+	/*use CONFIG_SYS_TEXT_BASE as temporary storage area */
+	header = (struct image_header *)(CONFIG_SYS_TEXT_BASE);
+	/* Load u-boot */
+	onenand_spl_load_image(CONFIG_SYS_ONENAND_U_BOOT_OFFS,
+		CONFIG_SYS_ONENAND_PAGE_SIZE, (void *)header);
+	spl_parse_image_header(header);
+	onenand_spl_load_image(CONFIG_SYS_ONENAND_U_BOOT_OFFS,
+		spl_image.size, (void *)spl_image.load_addr);
+}
diff --git a/qemu/roms/u-boot/common/spl/spl_sata.c b/qemu/roms/u-boot/common/spl/spl_sata.c
new file mode 100644
index 000000000..2e7adca0c
--- /dev/null
+++ b/qemu/roms/u-boot/common/spl/spl_sata.c
@@ -0,0 +1,49 @@
+/*
+ * (C) Copyright 2013
+ * Texas Instruments, <www.ti.com>
+ *
+ * Dan Murphy <dmurphy@ti.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ *
+ * Derived work from spl_usb.c
+ */
+
+#include <common.h>
+#include <spl.h>
+#include <asm/u-boot.h>
+#include <sata.h>
+#include <fat.h>
+#include <version.h>
+#include <image.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void spl_sata_load_image(void)
+{
+	int err;
+	block_dev_desc_t *stor_dev;
+
+	err = init_sata(CONFIG_SPL_SATA_BOOT_DEVICE);
+	if (err) {
+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
+		printf("spl: sata init failed: err - %d\n", err);
+#endif
+		hang();
+	} else {
+		/* try to recognize storage devices immediately */
+		stor_dev = scsi_get_dev(0);
+	}
+
+#ifdef CONFIG_SPL_OS_BOOT
+	if (spl_start_uboot() || spl_load_image_fat_os(stor_dev,
+									CONFIG_SYS_SATA_FAT_BOOT_PARTITION))
+#endif
+	err = spl_load_image_fat(stor_dev,
+				CONFIG_SYS_SATA_FAT_BOOT_PARTITION,
+				CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME);
+	if (err) {
+		puts("Error loading sata device\n");
+		hang();
+	}
+}
diff --git a/qemu/roms/u-boot/common/spl/spl_usb.c b/qemu/roms/u-boot/common/spl/spl_usb.c
new file mode 100644
index 000000000..53a904379
--- /dev/null
+++ b/qemu/roms/u-boot/common/spl/spl_usb.c
@@ -0,0 +1,58 @@
+/*
+ * (C) Copyright 2014
+ * Texas Instruments, <www.ti.com>
+ *
+ * Dan Murphy <dmurphy@ti.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ *
+ * Derived work from spl_mmc.c
+ */
+
+#include <common.h>
+#include <spl.h>
+#include <asm/u-boot.h>
+#include <usb.h>
+#include <fat.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_USB_STORAGE
+static int usb_stor_curr_dev = -1; /* current device */
+#endif
+
+void spl_usb_load_image(void)
+{
+	int err;
+	block_dev_desc_t *stor_dev;
+
+	usb_stop();
+	err = usb_init();
+	if (err) {
+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
+		printf("%s: usb init failed: err - %d\n", __func__, err);
+#endif
+		hang();
+	}
+
+#ifdef CONFIG_USB_STORAGE
+	/* try to recognize storage devices immediately */
+	usb_stor_curr_dev = usb_stor_scan(1);
+	stor_dev = usb_stor_get_dev(usb_stor_curr_dev);
+#endif
+
+	debug("boot mode - FAT\n");
+
+#ifdef CONFIG_SPL_OS_BOOT
+		if (spl_start_uboot() || spl_load_image_fat_os(stor_dev,
+								CONFIG_SYS_USB_FAT_BOOT_PARTITION))
+#endif
+		err = spl_load_image_fat(stor_dev,
+				CONFIG_SYS_USB_FAT_BOOT_PARTITION,
+				CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME);
+
+		if (err) {
+			puts("Error loading USB device\n");
+			hang();
+		}
+}
diff --git a/qemu/roms/u-boot/common/spl/spl_ymodem.c b/qemu/roms/u-boot/common/spl/spl_ymodem.c
new file mode 100644
index 000000000..0f1e99707
--- /dev/null
+++ b/qemu/roms/u-boot/common/spl/spl_ymodem.c
@@ -0,0 +1,59 @@
+/*
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2011
+ * Texas Instruments, <www.ti.com>
+ *
+ * Matt Porter <mporter@ti.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#include <common.h>
+#include <spl.h>
+#include <xyzModem.h>
+#include <asm/u-boot.h>
+#include <asm/utils.h>
+
+#define BUF_SIZE 1024
+
+static int getcymodem(void) {
+	if (tstc())
+		return (getc());
+	return -1;
+}
+
+void spl_ymodem_load_image(void)
+{
+	int size = 0;
+	int err;
+	int res;
+	int ret;
+	connection_info_t info;
+	char buf[BUF_SIZE];
+	ulong store_addr = ~0;
+	ulong addr = 0;
+
+	info.mode = xyzModem_ymodem;
+	ret = xyzModem_stream_open(&info, &err);
+
+	if (!ret) {
+		while ((res =
+			xyzModem_stream_read(buf, BUF_SIZE, &err)) > 0) {
+			if (addr == 0)
+				spl_parse_image_header((struct image_header *)buf);
+			store_addr = addr + spl_image.load_addr;
+			size += res;
+			addr += res;
+			memcpy((char *)(store_addr), buf, res);
+		}
+	} else {
+		printf("spl: ymodem err - %s\n", xyzModem_error(err));
+		hang();
+	}
+
+	xyzModem_stream_close(&err);
+	xyzModem_stream_terminate(false, &getcymodem);
+
+	printf("Loaded %d bytes\n", size);
+}