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();
32 u32 mmc_index = ((reg >> 11) & 0x03);
35 * Check for BMODE if serial downloader is enabled
36 * BOOT_MODE - see IMX6DQRM Table 8-1
38 if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */
39 return BOOT_DEVICE_BOARD;
42 * The above method does not detect that the boot ROM used
43 * serial downloader in case the boot ROM decided to use the
44 * serial downloader as a fall back (primary boot source failed).
46 * Infer that the boot ROM used the USB serial downloader by
47 * checking whether the USB PHY is currently active... This
48 * assumes that SPL did not (yet) initialize the USB PHY...
50 if (is_usbotg_phy_active())
51 return BOOT_DEVICE_BOARD;
53 /* BOOT_CFG1[7:4] - see IMX6DQRM Table 8-8 */
54 switch ((reg & IMX6_BMODE_MASK) >> IMX6_BMODE_SHIFT) {
55 /* EIM: See 8.5.1, Table 8-9 */
57 /* BOOT_CFG1[3]: NOR/OneNAND Selection */
58 switch ((reg & IMX6_BMODE_EMI_MASK) >> IMX6_BMODE_EMI_SHIFT) {
59 case IMX6_BMODE_ONENAND:
60 return BOOT_DEVICE_ONENAND;
62 return BOOT_DEVICE_NOR;
65 /* Reserved: Used to force Serial Downloader */
66 case IMX6_BMODE_RESERVED:
67 return BOOT_DEVICE_BOARD;
68 /* SATA: See 8.5.4, Table 8-20 */
69 #if !defined(CONFIG_MX6UL) && !defined(CONFIG_MX6ULL)
71 return BOOT_DEVICE_SATA;
73 /* Serial ROM: See 8.5.5.1, Table 8-22 */
74 case IMX6_BMODE_SERIAL_ROM:
76 switch ((reg & IMX6_BMODE_SERIAL_ROM_MASK) >>
77 IMX6_BMODE_SERIAL_ROM_SHIFT) {
78 case IMX6_BMODE_ECSPI1:
79 case IMX6_BMODE_ECSPI2:
80 case IMX6_BMODE_ECSPI3:
81 case IMX6_BMODE_ECSPI4:
82 case IMX6_BMODE_ECSPI5:
83 return BOOT_DEVICE_SPI;
87 return BOOT_DEVICE_I2C;
90 /* SD/eSD: 8.5.3, Table 8-15 */
96 return BOOT_DEVICE_MMC2;
98 return BOOT_DEVICE_MMC1;
99 /* NAND Flash: 8.5.2, Table 8-10 */
100 case IMX6_BMODE_NAND_MIN ... IMX6_BMODE_NAND_MAX:
101 return BOOT_DEVICE_NAND;
102 #if defined(CONFIG_MX6UL) || defined(CONFIG_MX6ULL)
104 case IMX6_BMODE_QSPI:
105 return BOOT_DEVICE_SPI;
108 return BOOT_DEVICE_NONE;
111 #elif defined(CONFIG_MX7) || defined(CONFIG_IMX8M) || defined(CONFIG_IMX8)
112 /* Translate iMX7/i.MX8M boot device to the SPL boot device enumeration */
113 u32 spl_boot_device(void)
115 #if defined(CONFIG_MX7)
116 unsigned int bmode = readl(&src_base->sbmr2);
119 * Check for BMODE if serial downloader is enabled
120 * BOOT_MODE - see IMX7DRM Table 6-24
122 if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */
123 return BOOT_DEVICE_BOARD;
126 * The above method does not detect that the boot ROM used
127 * serial downloader in case the boot ROM decided to use the
128 * serial downloader as a fall back (primary boot source failed).
130 * Infer that the boot ROM used the USB serial downloader by
131 * checking whether the USB PHY is currently active... This
132 * assumes that SPL did not (yet) initialize the USB PHY...
134 if (is_boot_from_usb())
135 return BOOT_DEVICE_BOARD;
138 enum boot_device boot_device_spl = get_boot_device();
140 if (IS_ENABLED(CONFIG_IMX8MM))
141 return spl_board_boot_device(boot_device_spl);
143 switch (boot_device_spl) {
144 #if defined(CONFIG_MX7)
151 return BOOT_DEVICE_MMC1;
152 #elif defined(CONFIG_IMX8)
154 return BOOT_DEVICE_MMC1;
156 return BOOT_DEVICE_MMC2_2;
158 return BOOT_DEVICE_MMC1;
160 return BOOT_DEVICE_SPI;
161 #elif defined(CONFIG_IMX8M)
164 return BOOT_DEVICE_MMC1;
167 return BOOT_DEVICE_MMC2;
170 return BOOT_DEVICE_NAND;
172 return BOOT_DEVICE_SPI;
174 return BOOT_DEVICE_USB;
176 return BOOT_DEVICE_NONE;
179 #endif /* CONFIG_MX7 || CONFIG_IMX8M || CONFIG_IMX8 */
181 #ifdef CONFIG_SPL_USB_GADGET
182 int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
184 put_unaligned(CONFIG_USB_GADGET_PRODUCT_NUM + 0xfff, &dev->idProduct);
190 #if defined(CONFIG_SPL_MMC_SUPPORT)
191 /* called from spl_mmc to see type of boot mode for storage (RAW or FAT) */
192 u32 spl_boot_mode(const u32 boot_device)
195 * When CONFIG_SPL_FORCE_MMC_BOOT is defined the 'boot_device' is used
196 * unconditionally to decide about device to use for booting.
197 * This is crucial for falcon boot mode, when board boots up (i.e. ROM
198 * loads SPL) from slow SPI-NOR memory and afterwards the SPL's 'falcon' boot
199 * mode is used to load Linux OS from eMMC partition.
201 #ifdef CONFIG_SPL_FORCE_MMC_BOOT
202 switch (boot_device) {
204 switch (spl_boot_device()) {
206 /* for MMC return either RAW or FAT mode */
207 case BOOT_DEVICE_MMC1:
208 case BOOT_DEVICE_MMC2:
209 case BOOT_DEVICE_MMC2_2:
210 #if defined(CONFIG_SPL_FS_FAT)
211 return MMCSD_MODE_FS;
212 #elif defined(CONFIG_SUPPORT_EMMC_BOOT)
213 return MMCSD_MODE_EMMCBOOT;
215 return MMCSD_MODE_RAW;
219 puts("spl: ERROR: unsupported device\n");
225 #if defined(CONFIG_IMX_HAB)
228 * +------------+ 0x0 (DDR_UIMAGE_START) -
230 * +------------+ 0x40 |
237 * . | > Stuff to be authenticated ----+
245 * +------------+ Align to ALIGN_SIZE | |
247 * +------------+ + IVT_SIZE - |
249 * | CSF DATA | <---------------------------------------------------------+
255 * +------------+ + CSF_PAD_SIZE
258 __weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
260 typedef void __noreturn (*image_entry_noargs_t)(void);
263 image_entry_noargs_t image_entry =
264 (image_entry_noargs_t)(unsigned long)spl_image->entry_point;
266 debug("image entry point: 0x%lX\n", spl_image->entry_point);
268 if (spl_image->flags & SPL_FIT_FOUND) {
272 * HAB looks for the CSF at the end of the authenticated
273 * data therefore, we need to subtract the size of the
274 * CSF from the actual filesize
276 offset = spl_image->size - CONFIG_CSF_SIZE;
277 if (!imx_hab_authenticate_image(spl_image->load_addr,
279 CSF_PAD_SIZE, offset)) {
282 puts("spl: ERROR: image authentication fail\n");
288 #if !defined(CONFIG_SPL_FIT_SIGNATURE)
289 ulong board_spl_fit_size_align(ulong size)
292 * HAB authenticate_image requests the IVT offset is
296 size = ALIGN(size, 0x1000);
297 size += CONFIG_CSF_SIZE;
302 void board_spl_fit_post_load(ulong load_addr, size_t length)
304 u32 offset = length - CONFIG_CSF_SIZE;
306 if (imx_hab_authenticate_image(load_addr,
307 offset + IVT_SIZE + CSF_PAD_SIZE,
309 puts("spl: ERROR: image authentication unsuccessful\n");
317 #if defined(CONFIG_MX6) && defined(CONFIG_SPL_OS_BOOT)
318 int dram_init_banksize(void)
320 gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
321 gd->bd->bi_dram[0].size = imx_ddr_size();