mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-06-09 23:36:03 +09:00
83d290c56f
When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
247 lines
7.1 KiB
C
247 lines
7.1 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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#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_MX8M)
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/* Translate iMX7/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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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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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_MX6 || CONFIG_MX7 || CONFIG_MX8M */
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#ifdef CONFIG_SPL_USB_GADGET_SUPPORT
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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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/* HAB looks for the CSF at the end of the authenticated data therefore,
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* we need to subtract the size of the CSF from the actual filesize */
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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 + CSF_PAD_SIZE,
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offset)) {
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image_entry();
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} else {
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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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