288 lines
7.8 KiB
C
288 lines
7.8 KiB
C
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// 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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#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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DECLARE_GLOBAL_DATA_PTR;
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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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* 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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* 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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/* 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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#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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* 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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* 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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enum boot_device boot_device_spl = get_boot_device();
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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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#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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return 0;
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}
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#endif
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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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#if defined(CONFIG_SECURE_BOOT)
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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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__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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image_entry_noargs_t image_entry =
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(image_entry_noargs_t)(unsigned long)spl_image->entry_point;
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debug("image entry point: 0x%lX\n", spl_image->entry_point);
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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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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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size = ALIGN(size, 0x1000);
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size += CONFIG_CSF_SIZE;
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return size;
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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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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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#endif
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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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return 0;
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}
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#endif
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