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 __weak int spl_board_boot_device(enum boot_device boot_dev_spl)
26 #if defined(CONFIG_MX6)
27 /* determine boot device from SRC_SBMR1 (BOOT_CFG[4:1]) or SRC_GPR9 register */
28 u32 spl_boot_device(void)
30 unsigned int bmode = readl(&src_base->sbmr2);
31 u32 reg = imx6_src_get_boot_mode();
34 * Check for BMODE if serial downloader is enabled
35 * BOOT_MODE - see IMX6DQRM Table 8-1
37 if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */
38 return BOOT_DEVICE_BOARD;
41 * The above method does not detect that the boot ROM used
42 * serial downloader in case the boot ROM decided to use the
43 * serial downloader as a fall back (primary boot source failed).
45 * Infer that the boot ROM used the USB serial downloader by
46 * checking whether the USB PHY is currently active... This
47 * assumes that SPL did not (yet) initialize the USB PHY...
49 if (is_usbotg_phy_active())
50 return BOOT_DEVICE_BOARD;
52 /* BOOT_CFG1[7:4] - see IMX6DQRM Table 8-8 */
53 switch ((reg & IMX6_BMODE_MASK) >> IMX6_BMODE_SHIFT) {
54 /* EIM: See 8.5.1, Table 8-9 */
56 /* BOOT_CFG1[3]: NOR/OneNAND Selection */
57 switch ((reg & IMX6_BMODE_EMI_MASK) >> IMX6_BMODE_EMI_SHIFT) {
58 case IMX6_BMODE_ONENAND:
59 return BOOT_DEVICE_ONENAND;
61 return BOOT_DEVICE_NOR;
64 /* Reserved: Used to force Serial Downloader */
65 case IMX6_BMODE_RESERVED:
66 return BOOT_DEVICE_BOARD;
67 /* SATA: See 8.5.4, Table 8-20 */
68 #if !defined(CONFIG_MX6UL) && !defined(CONFIG_MX6ULL)
70 return BOOT_DEVICE_SATA;
72 /* Serial ROM: See 8.5.5.1, Table 8-22 */
73 case IMX6_BMODE_SERIAL_ROM:
75 switch ((reg & IMX6_BMODE_SERIAL_ROM_MASK) >>
76 IMX6_BMODE_SERIAL_ROM_SHIFT) {
77 case IMX6_BMODE_ECSPI1:
78 case IMX6_BMODE_ECSPI2:
79 case IMX6_BMODE_ECSPI3:
80 case IMX6_BMODE_ECSPI4:
81 case IMX6_BMODE_ECSPI5:
82 return BOOT_DEVICE_SPI;
86 return BOOT_DEVICE_I2C;
89 /* SD/eSD: 8.5.3, Table 8-15 */
92 return BOOT_DEVICE_MMC1;
96 return BOOT_DEVICE_MMC1;
97 /* NAND Flash: 8.5.2, Table 8-10 */
98 case IMX6_BMODE_NAND_MIN ... IMX6_BMODE_NAND_MAX:
99 return BOOT_DEVICE_NAND;
100 #if defined(CONFIG_MX6UL) || defined(CONFIG_MX6ULL)
102 case IMX6_BMODE_QSPI:
103 return BOOT_DEVICE_SPI;
106 return BOOT_DEVICE_NONE;
109 #elif defined(CONFIG_MX7) || defined(CONFIG_IMX8M) || defined(CONFIG_IMX8)
110 /* Translate iMX7/i.MX8M boot device to the SPL boot device enumeration */
111 u32 spl_boot_device(void)
113 #if defined(CONFIG_MX7)
114 unsigned int bmode = readl(&src_base->sbmr2);
117 * Check for BMODE if serial downloader is enabled
118 * BOOT_MODE - see IMX7DRM Table 6-24
120 if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */
121 return BOOT_DEVICE_BOARD;
124 * The above method does not detect that the boot ROM used
125 * serial downloader in case the boot ROM decided to use the
126 * serial downloader as a fall back (primary boot source failed).
128 * Infer that the boot ROM used the USB serial downloader by
129 * checking whether the USB PHY is currently active... This
130 * assumes that SPL did not (yet) initialize the USB PHY...
132 if (is_boot_from_usb())
133 return BOOT_DEVICE_BOARD;
136 enum boot_device boot_device_spl = get_boot_device();
138 if (IS_ENABLED(CONFIG_IMX8MM))
139 return spl_board_boot_device(boot_device_spl);
141 switch (boot_device_spl) {
142 #if defined(CONFIG_MX7)
149 return BOOT_DEVICE_MMC1;
150 #elif defined(CONFIG_IMX8)
152 return BOOT_DEVICE_MMC1;
154 return BOOT_DEVICE_MMC2_2;
156 return BOOT_DEVICE_MMC1;
158 return BOOT_DEVICE_SPI;
159 #elif defined(CONFIG_IMX8M)
162 return BOOT_DEVICE_MMC1;
165 return BOOT_DEVICE_MMC2;
168 return BOOT_DEVICE_NAND;
170 return BOOT_DEVICE_SPI;
172 return BOOT_DEVICE_USB;
174 return BOOT_DEVICE_NONE;
177 #endif /* CONFIG_MX7 || CONFIG_IMX8M || CONFIG_IMX8 */
179 #ifdef CONFIG_SPL_USB_GADGET
180 int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
182 put_unaligned(CONFIG_USB_GADGET_PRODUCT_NUM + 0xfff, &dev->idProduct);
188 #if defined(CONFIG_SPL_MMC_SUPPORT)
189 /* called from spl_mmc to see type of boot mode for storage (RAW or FAT) */
190 u32 spl_boot_mode(const u32 boot_device)
193 * When CONFIG_SPL_FORCE_MMC_BOOT is defined the 'boot_device' is used
194 * unconditionally to decide about device to use for booting.
195 * This is crucial for falcon boot mode, when board boots up (i.e. ROM
196 * loads SPL) from slow SPI-NOR memory and afterwards the SPL's 'falcon' boot
197 * mode is used to load Linux OS from eMMC partition.
199 #ifdef CONFIG_SPL_FORCE_MMC_BOOT
200 switch (boot_device) {
202 switch (spl_boot_device()) {
204 /* for MMC return either RAW or FAT mode */
205 case BOOT_DEVICE_MMC1:
206 case BOOT_DEVICE_MMC2:
207 case BOOT_DEVICE_MMC2_2:
208 #if defined(CONFIG_SPL_FS_FAT)
209 return MMCSD_MODE_FS;
210 #elif defined(CONFIG_SUPPORT_EMMC_BOOT)
211 return MMCSD_MODE_EMMCBOOT;
213 return MMCSD_MODE_RAW;
217 puts("spl: ERROR: unsupported device\n");
223 #if defined(CONFIG_IMX_HAB)
226 * +------------+ 0x0 (DDR_UIMAGE_START) -
228 * +------------+ 0x40 |
235 * . | > Stuff to be authenticated ----+
243 * +------------+ Align to ALIGN_SIZE | |
245 * +------------+ + IVT_SIZE - |
247 * | CSF DATA | <---------------------------------------------------------+
253 * +------------+ + CSF_PAD_SIZE
256 __weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
258 typedef void __noreturn (*image_entry_noargs_t)(void);
261 image_entry_noargs_t image_entry =
262 (image_entry_noargs_t)(unsigned long)spl_image->entry_point;
264 debug("image entry point: 0x%lX\n", spl_image->entry_point);
266 if (spl_image->flags & SPL_FIT_FOUND) {
270 * HAB looks for the CSF at the end of the authenticated
271 * data therefore, we need to subtract the size of the
272 * CSF from the actual filesize
274 offset = spl_image->size - CONFIG_CSF_SIZE;
275 if (!imx_hab_authenticate_image(spl_image->load_addr,
277 CSF_PAD_SIZE, offset)) {
280 puts("spl: ERROR: image authentication fail\n");
286 #if !defined(CONFIG_SPL_FIT_SIGNATURE)
287 ulong board_spl_fit_size_align(ulong size)
290 * HAB authenticate_image requests the IVT offset is
294 size = ALIGN(size, 0x1000);
295 size += CONFIG_CSF_SIZE;
300 void board_spl_fit_post_load(ulong load_addr, size_t length)
302 u32 offset = length - CONFIG_CSF_SIZE;
304 if (imx_hab_authenticate_image(load_addr,
305 offset + IVT_SIZE + CSF_PAD_SIZE,
307 puts("spl: ERROR: image authentication unsuccessful\n");
315 #if defined(CONFIG_MX6) && defined(CONFIG_SPL_OS_BOOT)
316 int dram_init_banksize(void)
318 gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
319 gd->bd->bi_dram[0].size = imx_ddr_size();