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	The SPL option for USB gadget should be named after the option for u-boot (CONFIG_USB_GADGET) Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
		
			
				
	
	
		
			288 lines
		
	
	
		
			7.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			288 lines
		
	
	
		
			7.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0+
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| /*
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|  * Copyright (C) 2014 Gateworks Corporation
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|  * Copyright (C) 2011-2012 Freescale Semiconductor, Inc.
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|  *
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|  * Author: Tim Harvey <tharvey@gateworks.com>
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|  */
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| 
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| #include <common.h>
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| #include <asm/io.h>
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| #include <asm/arch/imx-regs.h>
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| #include <asm/arch/sys_proto.h>
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| #include <asm/spl.h>
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| #include <spl.h>
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| #include <asm/mach-imx/hab.h>
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| #include <asm/mach-imx/boot_mode.h>
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| #include <g_dnl.h>
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| 
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| DECLARE_GLOBAL_DATA_PTR;
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| 
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| #if defined(CONFIG_MX6)
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| /* determine boot device from SRC_SBMR1 (BOOT_CFG[4:1]) or SRC_GPR9 register */
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| u32 spl_boot_device(void)
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| {
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| 	unsigned int bmode = readl(&src_base->sbmr2);
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| 	u32 reg = imx6_src_get_boot_mode();
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| 
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| 	/*
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| 	 * Check for BMODE if serial downloader is enabled
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| 	 * BOOT_MODE - see IMX6DQRM Table 8-1
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| 	 */
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| 	if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */
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| 		return BOOT_DEVICE_BOARD;
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| 
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| 	/*
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| 	 * The above method does not detect that the boot ROM used
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| 	 * serial downloader in case the boot ROM decided to use the
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| 	 * serial downloader as a fall back (primary boot source failed).
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| 	 *
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| 	 * Infer that the boot ROM used the USB serial downloader by
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| 	 * checking whether the USB PHY is currently active... This
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| 	 * assumes that SPL did not (yet) initialize the USB PHY...
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| 	 */
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| 	if (is_usbotg_phy_active())
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| 		return BOOT_DEVICE_BOARD;
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| 
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| 	/* BOOT_CFG1[7:4] - see IMX6DQRM Table 8-8 */
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| 	switch ((reg & IMX6_BMODE_MASK) >> IMX6_BMODE_SHIFT) {
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| 	 /* EIM: See 8.5.1, Table 8-9 */
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| 	case IMX6_BMODE_EMI:
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| 		/* BOOT_CFG1[3]: NOR/OneNAND Selection */
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| 		switch ((reg & IMX6_BMODE_EMI_MASK) >> IMX6_BMODE_EMI_SHIFT) {
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| 		case IMX6_BMODE_ONENAND:
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| 			return BOOT_DEVICE_ONENAND;
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| 		case IMX6_BMODE_NOR:
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| 			return BOOT_DEVICE_NOR;
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| 		break;
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| 		}
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| 	/* Reserved: Used to force Serial Downloader */
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| 	case IMX6_BMODE_RESERVED:
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| 		return BOOT_DEVICE_BOARD;
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| 	/* SATA: See 8.5.4, Table 8-20 */
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| #if !defined(CONFIG_MX6UL) && !defined(CONFIG_MX6ULL)
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| 	case IMX6_BMODE_SATA:
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| 		return BOOT_DEVICE_SATA;
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| #endif
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| 	/* Serial ROM: See 8.5.5.1, Table 8-22 */
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| 	case IMX6_BMODE_SERIAL_ROM:
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| 		/* BOOT_CFG4[2:0] */
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| 		switch ((reg & IMX6_BMODE_SERIAL_ROM_MASK) >>
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| 			IMX6_BMODE_SERIAL_ROM_SHIFT) {
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| 		case IMX6_BMODE_ECSPI1:
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| 		case IMX6_BMODE_ECSPI2:
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| 		case IMX6_BMODE_ECSPI3:
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| 		case IMX6_BMODE_ECSPI4:
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| 		case IMX6_BMODE_ECSPI5:
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| 			return BOOT_DEVICE_SPI;
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| 		case IMX6_BMODE_I2C1:
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| 		case IMX6_BMODE_I2C2:
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| 		case IMX6_BMODE_I2C3:
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| 			return BOOT_DEVICE_I2C;
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| 		}
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| 		break;
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| 	/* SD/eSD: 8.5.3, Table 8-15  */
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| 	case IMX6_BMODE_SD:
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| 	case IMX6_BMODE_ESD:
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| 		return BOOT_DEVICE_MMC1;
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| 	/* MMC/eMMC: 8.5.3 */
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| 	case IMX6_BMODE_MMC:
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| 	case IMX6_BMODE_EMMC:
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| 		return BOOT_DEVICE_MMC1;
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| 	/* NAND Flash: 8.5.2, Table 8-10 */
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| 	case IMX6_BMODE_NAND_MIN ... IMX6_BMODE_NAND_MAX:
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| 		return BOOT_DEVICE_NAND;
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| 	}
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| 	return BOOT_DEVICE_NONE;
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| }
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| 
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| #elif defined(CONFIG_MX7) || defined(CONFIG_IMX8M)
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| /* Translate iMX7/i.MX8M boot device to the SPL boot device enumeration */
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| u32 spl_boot_device(void)
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| {
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| #if defined(CONFIG_MX7)
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| 	unsigned int bmode = readl(&src_base->sbmr2);
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| 
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| 	/*
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| 	 * Check for BMODE if serial downloader is enabled
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| 	 * BOOT_MODE - see IMX7DRM Table 6-24
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| 	 */
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| 	if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */
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| 		return BOOT_DEVICE_BOARD;
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| 
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| 	/*
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| 	 * The above method does not detect that the boot ROM used
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| 	 * serial downloader in case the boot ROM decided to use the
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| 	 * serial downloader as a fall back (primary boot source failed).
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| 	 *
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| 	 * Infer that the boot ROM used the USB serial downloader by
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| 	 * checking whether the USB PHY is currently active... This
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| 	 * assumes that SPL did not (yet) initialize the USB PHY...
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| 	 */
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| 	if (is_boot_from_usb())
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| 		return BOOT_DEVICE_BOARD;
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| #endif
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| 
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| 	enum boot_device boot_device_spl = get_boot_device();
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| 
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| 	switch (boot_device_spl) {
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| #if defined(CONFIG_MX7)
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| 	case SD1_BOOT:
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| 	case MMC1_BOOT:
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| 	case SD2_BOOT:
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| 	case MMC2_BOOT:
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| 	case SD3_BOOT:
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| 	case MMC3_BOOT:
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| 		return BOOT_DEVICE_MMC1;
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| #elif defined(CONFIG_IMX8M)
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| 	case SD1_BOOT:
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| 	case MMC1_BOOT:
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| 		return BOOT_DEVICE_MMC1;
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| 	case SD2_BOOT:
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| 	case MMC2_BOOT:
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| 		return BOOT_DEVICE_MMC2;
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| #endif
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| 	case NAND_BOOT:
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| 		return BOOT_DEVICE_NAND;
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| 	case SPI_NOR_BOOT:
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| 		return BOOT_DEVICE_SPI;
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| 	case USB_BOOT:
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| 		return BOOT_DEVICE_USB;
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| 	default:
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| 		return BOOT_DEVICE_NONE;
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| 	}
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| }
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| #endif /* CONFIG_MX7 || CONFIG_IMX8M */
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| 
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| #ifdef CONFIG_SPL_USB_GADGET
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| int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
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| {
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| 	put_unaligned(CONFIG_USB_GADGET_PRODUCT_NUM + 0xfff, &dev->idProduct);
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| 
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| 	return 0;
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| }
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| #endif
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| 
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| #if defined(CONFIG_SPL_MMC_SUPPORT)
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| /* called from spl_mmc to see type of boot mode for storage (RAW or FAT) */
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| u32 spl_boot_mode(const u32 boot_device)
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| {
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| 	switch (spl_boot_device()) {
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| 	/* for MMC return either RAW or FAT mode */
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| 	case BOOT_DEVICE_MMC1:
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| 	case BOOT_DEVICE_MMC2:
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| #if defined(CONFIG_SPL_FAT_SUPPORT)
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| 		return MMCSD_MODE_FS;
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| #elif defined(CONFIG_SUPPORT_EMMC_BOOT)
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| 		return MMCSD_MODE_EMMCBOOT;
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| #else
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| 		return MMCSD_MODE_RAW;
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| #endif
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| 		break;
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| 	default:
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| 		puts("spl: ERROR:  unsupported device\n");
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| 		hang();
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| 	}
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| }
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| #endif
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| 
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| #if defined(CONFIG_SECURE_BOOT)
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| 
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| /*
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|  * +------------+  0x0 (DDR_UIMAGE_START) -
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|  * |   Header   |                          |
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|  * +------------+  0x40                    |
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|  * |            |                          |
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|  * |            |                          |
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|  * |            |                          |
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|  * |            |                          |
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|  * | Image Data |                          |
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|  * .            |                          |
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|  * .            |                           > Stuff to be authenticated ----+
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|  * .            |                          |                                |
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|  * |            |                          |                                |
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|  * |            |                          |                                |
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|  * +------------+                          |                                |
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|  * |            |                          |                                |
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|  * | Fill Data  |                          |                                |
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|  * |            |                          |                                |
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|  * +------------+ Align to ALIGN_SIZE      |                                |
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|  * |    IVT     |                          |                                |
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|  * +------------+ + IVT_SIZE              -                                 |
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|  * |            |                                                           |
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|  * |  CSF DATA  | <---------------------------------------------------------+
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|  * |            |
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|  * +------------+
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|  * |            |
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|  * | Fill Data  |
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|  * |            |
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|  * +------------+ + CSF_PAD_SIZE
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|  */
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| 
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| __weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
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| {
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| 	typedef void __noreturn (*image_entry_noargs_t)(void);
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| 	uint32_t offset;
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| 
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| 	image_entry_noargs_t image_entry =
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| 		(image_entry_noargs_t)(unsigned long)spl_image->entry_point;
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| 
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| 	debug("image entry point: 0x%lX\n", spl_image->entry_point);
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| 
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| 	if (spl_image->flags & SPL_FIT_FOUND) {
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| 		image_entry();
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| 	} else {
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| 		/*
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| 		 * HAB looks for the CSF at the end of the authenticated
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| 		 * data therefore, we need to subtract the size of the
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| 		 * CSF from the actual filesize
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| 		 */
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| 		offset = spl_image->size - CONFIG_CSF_SIZE;
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| 		if (!imx_hab_authenticate_image(spl_image->load_addr,
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| 						offset + IVT_SIZE +
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| 						CSF_PAD_SIZE, offset)) {
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| 			image_entry();
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| 		} else {
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| 			puts("spl: ERROR:  image authentication fail\n");
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| 			hang();
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| 		}
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| 	}
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| }
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| 
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| ulong board_spl_fit_size_align(ulong size)
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| {
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| 	/*
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| 	 * HAB authenticate_image requests the IVT offset is
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| 	 * aligned to 0x1000
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| 	 */
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| 
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| 	size = ALIGN(size, 0x1000);
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| 	size += CONFIG_CSF_SIZE;
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| 
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| 	return size;
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| }
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| 
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| void board_spl_fit_post_load(ulong load_addr, size_t length)
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| {
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| 	u32 offset = length - CONFIG_CSF_SIZE;
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| 
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| 	if (imx_hab_authenticate_image(load_addr,
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| 				       offset + IVT_SIZE + CSF_PAD_SIZE,
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| 				       offset)) {
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| 		puts("spl: ERROR:  image authentication unsuccessful\n");
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| 		hang();
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| 	}
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| }
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| 
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| #endif
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| 
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| #if defined(CONFIG_MX6) && defined(CONFIG_SPL_OS_BOOT)
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| int dram_init_banksize(void)
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| {
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| 	gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
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| 	gd->bd->bi_dram[0].size = imx_ddr_size();
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| 
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| 	return 0;
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| }
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| #endif
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