2 * Copyright (C) 2014 Gateworks Corporation
3 * Copyright (C) 2011-2012 Freescale Semiconductor, Inc.
5 * Author: Tim Harvey <tharvey@gateworks.com>
7 * SPDX-License-Identifier: GPL-2.0+
12 #include <asm/arch/imx-regs.h>
13 #include <asm/arch/sys_proto.h>
16 #include <asm/mach-imx/hab.h>
17 #include <asm/mach-imx/boot_mode.h>
20 DECLARE_GLOBAL_DATA_PTR;
22 #if defined(CONFIG_MX6)
23 /* determine boot device from SRC_SBMR1 (BOOT_CFG[4:1]) or SRC_GPR9 register */
24 u32 spl_boot_device(void)
26 unsigned int bmode = readl(&src_base->sbmr2);
27 u32 reg = imx6_src_get_boot_mode();
30 * Check for BMODE if serial downloader is enabled
31 * BOOT_MODE - see IMX6DQRM Table 8-1
33 if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */
34 return BOOT_DEVICE_BOARD;
37 * The above method does not detect that the boot ROM used
38 * serial downloader in case the boot ROM decided to use the
39 * serial downloader as a fall back (primary boot source failed).
41 * Infer that the boot ROM used the USB serial downloader by
42 * checking whether the USB PHY is currently active... This
43 * assumes that SPL did not (yet) initialize the USB PHY...
45 if (is_usbotg_phy_active())
46 return BOOT_DEVICE_BOARD;
48 /* BOOT_CFG1[7:4] - see IMX6DQRM Table 8-8 */
49 switch ((reg & IMX6_BMODE_MASK) >> IMX6_BMODE_SHIFT) {
50 /* EIM: See 8.5.1, Table 8-9 */
52 /* BOOT_CFG1[3]: NOR/OneNAND Selection */
53 switch ((reg & IMX6_BMODE_EMI_MASK) >> IMX6_BMODE_EMI_SHIFT) {
54 case IMX6_BMODE_ONENAND:
55 return BOOT_DEVICE_ONENAND;
57 return BOOT_DEVICE_NOR;
60 /* Reserved: Used to force Serial Downloader */
61 case IMX6_BMODE_RESERVED:
62 return BOOT_DEVICE_BOARD;
63 /* SATA: See 8.5.4, Table 8-20 */
64 #if !defined(CONFIG_MX6UL) && !defined(CONFIG_MX6ULL)
66 return BOOT_DEVICE_SATA;
68 /* Serial ROM: See 8.5.5.1, Table 8-22 */
69 case IMX6_BMODE_SERIAL_ROM:
71 switch ((reg & IMX6_BMODE_SERIAL_ROM_MASK) >>
72 IMX6_BMODE_SERIAL_ROM_SHIFT) {
73 case IMX6_BMODE_ECSPI1:
74 case IMX6_BMODE_ECSPI2:
75 case IMX6_BMODE_ECSPI3:
76 case IMX6_BMODE_ECSPI4:
77 case IMX6_BMODE_ECSPI5:
78 return BOOT_DEVICE_SPI;
82 return BOOT_DEVICE_I2C;
85 /* SD/eSD: 8.5.3, Table 8-15 */
88 return BOOT_DEVICE_MMC1;
92 return BOOT_DEVICE_MMC1;
93 /* NAND Flash: 8.5.2, Table 8-10 */
94 case IMX6_BMODE_NAND_MIN ... IMX6_BMODE_NAND_MAX:
95 return BOOT_DEVICE_NAND;
97 return BOOT_DEVICE_NONE;
100 #elif defined(CONFIG_MX7) || defined(CONFIG_MX8M)
101 /* Translate iMX7/MX8M boot device to the SPL boot device enumeration */
102 u32 spl_boot_device(void)
104 #if defined(CONFIG_MX7)
105 unsigned int bmode = readl(&src_base->sbmr2);
108 * Check for BMODE if serial downloader is enabled
109 * BOOT_MODE - see IMX7DRM Table 6-24
111 if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */
112 return BOOT_DEVICE_BOARD;
115 * The above method does not detect that the boot ROM used
116 * serial downloader in case the boot ROM decided to use the
117 * serial downloader as a fall back (primary boot source failed).
119 * Infer that the boot ROM used the USB serial downloader by
120 * checking whether the USB PHY is currently active... This
121 * assumes that SPL did not (yet) initialize the USB PHY...
123 if (is_boot_from_usb())
124 return BOOT_DEVICE_BOARD;
127 enum boot_device boot_device_spl = get_boot_device();
129 switch (boot_device_spl) {
136 return BOOT_DEVICE_MMC1;
138 return BOOT_DEVICE_NAND;
140 return BOOT_DEVICE_SPI;
142 return BOOT_DEVICE_USB;
144 return BOOT_DEVICE_NONE;
147 #endif /* CONFIG_MX6 || CONFIG_MX7 || CONFIG_MX8M */
149 #ifdef CONFIG_SPL_USB_GADGET_SUPPORT
150 int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
152 put_unaligned(CONFIG_USB_GADGET_PRODUCT_NUM + 0xfff, &dev->idProduct);
158 #if defined(CONFIG_SPL_MMC_SUPPORT)
159 /* called from spl_mmc to see type of boot mode for storage (RAW or FAT) */
160 u32 spl_boot_mode(const u32 boot_device)
162 switch (spl_boot_device()) {
163 /* for MMC return either RAW or FAT mode */
164 case BOOT_DEVICE_MMC1:
165 case BOOT_DEVICE_MMC2:
166 #if defined(CONFIG_SPL_FAT_SUPPORT)
167 return MMCSD_MODE_FS;
168 #elif defined(CONFIG_SUPPORT_EMMC_BOOT)
169 return MMCSD_MODE_EMMCBOOT;
171 return MMCSD_MODE_RAW;
175 puts("spl: ERROR: unsupported device\n");
181 #if defined(CONFIG_SECURE_BOOT)
184 * +------------+ 0x0 (DDR_UIMAGE_START) -
186 * +------------+ 0x40 |
193 * . | > Stuff to be authenticated ----+
201 * +------------+ Align to ALIGN_SIZE | |
203 * +------------+ + IVT_SIZE - |
205 * | CSF DATA | <---------------------------------------------------------+
211 * +------------+ + CSF_PAD_SIZE
214 __weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
216 typedef void __noreturn (*image_entry_noargs_t)(void);
219 image_entry_noargs_t image_entry =
220 (image_entry_noargs_t)(unsigned long)spl_image->entry_point;
222 debug("image entry point: 0x%lX\n", spl_image->entry_point);
224 /* HAB looks for the CSF at the end of the authenticated data therefore,
225 * we need to subtract the size of the CSF from the actual filesize */
226 offset = spl_image->size - CONFIG_CSF_SIZE;
227 if (!imx_hab_authenticate_image(spl_image->load_addr,
228 offset + IVT_SIZE + CSF_PAD_SIZE,
232 puts("spl: ERROR: image authentication unsuccessful\n");
239 #if defined(CONFIG_MX6) && defined(CONFIG_SPL_OS_BOOT)
240 int dram_init_banksize(void)
242 gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
243 gd->bd->bi_dram[0].size = imx_ddr_size();