1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2014 Gateworks Corporation
4 * Copyright (C) 2011-2012 Freescale Semiconductor, Inc.
6 * Author: Tim Harvey <tharvey@gateworks.com>
11 #include <asm/arch/imx-regs.h>
12 #include <asm/arch/sys_proto.h>
15 #include <asm/mach-imx/hab.h>
16 #include <asm/mach-imx/boot_mode.h>
19 DECLARE_GLOBAL_DATA_PTR;
21 #if defined(CONFIG_MX6)
22 /* determine boot device from SRC_SBMR1 (BOOT_CFG[4:1]) or SRC_GPR9 register */
23 u32 spl_boot_device(void)
25 unsigned int bmode = readl(&src_base->sbmr2);
26 u32 reg = imx6_src_get_boot_mode();
27 u32 mmc_index = ((reg >> 11) & 0x03);
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 */
91 return BOOT_DEVICE_MMC2;
93 return BOOT_DEVICE_MMC1;
94 /* NAND Flash: 8.5.2, Table 8-10 */
95 case IMX6_BMODE_NAND_MIN ... IMX6_BMODE_NAND_MAX:
96 return BOOT_DEVICE_NAND;
97 #if defined(CONFIG_MX6UL) || defined(CONFIG_MX6ULL)
100 return BOOT_DEVICE_SPI;
103 return BOOT_DEVICE_NONE;
106 #elif defined(CONFIG_MX7) || defined(CONFIG_IMX8M) || defined(CONFIG_IMX8)
107 /* Translate iMX7/i.MX8M boot device to the SPL boot device enumeration */
108 u32 spl_boot_device(void)
110 #if defined(CONFIG_MX7)
111 unsigned int bmode = readl(&src_base->sbmr2);
114 * Check for BMODE if serial downloader is enabled
115 * BOOT_MODE - see IMX7DRM Table 6-24
117 if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */
118 return BOOT_DEVICE_BOARD;
121 * The above method does not detect that the boot ROM used
122 * serial downloader in case the boot ROM decided to use the
123 * serial downloader as a fall back (primary boot source failed).
125 * Infer that the boot ROM used the USB serial downloader by
126 * checking whether the USB PHY is currently active... This
127 * assumes that SPL did not (yet) initialize the USB PHY...
129 if (is_boot_from_usb())
130 return BOOT_DEVICE_BOARD;
133 enum boot_device boot_device_spl = get_boot_device();
135 switch (boot_device_spl) {
136 #if defined(CONFIG_MX7)
143 return BOOT_DEVICE_MMC1;
144 #elif defined(CONFIG_IMX8)
146 return BOOT_DEVICE_MMC1;
148 return BOOT_DEVICE_MMC2_2;
150 return BOOT_DEVICE_MMC1;
152 return BOOT_DEVICE_SPI;
153 #elif defined(CONFIG_IMX8M)
156 return BOOT_DEVICE_MMC1;
159 return BOOT_DEVICE_MMC2;
162 return BOOT_DEVICE_NAND;
164 return BOOT_DEVICE_SPI;
166 return BOOT_DEVICE_USB;
168 return BOOT_DEVICE_NONE;
171 #endif /* CONFIG_MX7 || CONFIG_IMX8M || CONFIG_IMX8 */
173 #ifdef CONFIG_SPL_USB_GADGET
174 int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
176 put_unaligned(CONFIG_USB_GADGET_PRODUCT_NUM + 0xfff, &dev->idProduct);
182 #if defined(CONFIG_SPL_MMC_SUPPORT)
183 /* called from spl_mmc to see type of boot mode for storage (RAW or FAT) */
184 u32 spl_boot_mode(const u32 boot_device)
187 * When CONFIG_SPL_FORCE_MMC_BOOT is defined the 'boot_device' is used
188 * unconditionally to decide about device to use for booting.
189 * This is crucial for falcon boot mode, when board boots up (i.e. ROM
190 * loads SPL) from slow SPI-NOR memory and afterwards the SPL's 'falcon' boot
191 * mode is used to load Linux OS from eMMC partition.
193 #ifdef CONFIG_SPL_FORCE_MMC_BOOT
194 switch (boot_device) {
196 switch (spl_boot_device()) {
198 /* for MMC return either RAW or FAT mode */
199 case BOOT_DEVICE_MMC1:
200 case BOOT_DEVICE_MMC2:
201 case BOOT_DEVICE_MMC2_2:
202 #if defined(CONFIG_SPL_FS_FAT)
203 return MMCSD_MODE_FS;
204 #elif defined(CONFIG_SUPPORT_EMMC_BOOT)
205 return MMCSD_MODE_EMMCBOOT;
207 return MMCSD_MODE_RAW;
211 puts("spl: ERROR: unsupported device\n");
217 #if defined(CONFIG_SECURE_BOOT)
220 * +------------+ 0x0 (DDR_UIMAGE_START) -
222 * +------------+ 0x40 |
229 * . | > Stuff to be authenticated ----+
237 * +------------+ Align to ALIGN_SIZE | |
239 * +------------+ + IVT_SIZE - |
241 * | CSF DATA | <---------------------------------------------------------+
247 * +------------+ + CSF_PAD_SIZE
250 __weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
252 typedef void __noreturn (*image_entry_noargs_t)(void);
255 image_entry_noargs_t image_entry =
256 (image_entry_noargs_t)(unsigned long)spl_image->entry_point;
258 debug("image entry point: 0x%lX\n", spl_image->entry_point);
260 if (spl_image->flags & SPL_FIT_FOUND) {
264 * HAB looks for the CSF at the end of the authenticated
265 * data therefore, we need to subtract the size of the
266 * CSF from the actual filesize
268 offset = spl_image->size - CONFIG_CSF_SIZE;
269 if (!imx_hab_authenticate_image(spl_image->load_addr,
271 CSF_PAD_SIZE, offset)) {
274 puts("spl: ERROR: image authentication fail\n");
280 #if !defined(CONFIG_SPL_FIT_SIGNATURE)
281 ulong board_spl_fit_size_align(ulong size)
284 * HAB authenticate_image requests the IVT offset is
288 size = ALIGN(size, 0x1000);
289 size += CONFIG_CSF_SIZE;
294 void board_spl_fit_post_load(ulong load_addr, size_t length)
296 u32 offset = length - CONFIG_CSF_SIZE;
298 if (imx_hab_authenticate_image(load_addr,
299 offset + IVT_SIZE + CSF_PAD_SIZE,
301 puts("spl: ERROR: image authentication unsuccessful\n");
309 #if defined(CONFIG_MX6) && defined(CONFIG_SPL_OS_BOOT)
310 int dram_init_banksize(void)
312 gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
313 gd->bd->bi_dram[0].size = imx_ddr_size();