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>
13 #include <asm/global_data.h>
15 #include <asm/arch/imx-regs.h>
16 #include <asm/arch/sys_proto.h>
19 #include <asm/mach-imx/hab.h>
20 #include <asm/mach-imx/boot_mode.h>
22 #include <linux/libfdt.h>
24 DECLARE_GLOBAL_DATA_PTR;
26 __weak int spl_board_boot_device(enum boot_device boot_dev_spl)
28 switch (boot_dev_spl) {
29 #if defined(CONFIG_MX7)
36 return BOOT_DEVICE_MMC1;
37 #elif defined(CONFIG_IMX8)
39 return BOOT_DEVICE_MMC1;
41 return BOOT_DEVICE_MMC2_2;
43 return BOOT_DEVICE_MMC1;
45 return BOOT_DEVICE_SPI;
46 #elif defined(CONFIG_IMX8M)
49 return BOOT_DEVICE_MMC1;
52 return BOOT_DEVICE_MMC2;
55 return BOOT_DEVICE_NAND;
57 return BOOT_DEVICE_SPI;
59 return BOOT_DEVICE_NOR;
61 return BOOT_DEVICE_BOARD;
63 return BOOT_DEVICE_NONE;
67 #if defined(CONFIG_MX6)
68 /* determine boot device from SRC_SBMR1 (BOOT_CFG[4:1]) or SRC_GPR9 register */
69 u32 spl_boot_device(void)
71 unsigned int bmode = readl(&src_base->sbmr2);
72 u32 reg = imx6_src_get_boot_mode();
75 * Check for BMODE if serial downloader is enabled
76 * BOOT_MODE - see IMX6DQRM Table 8-1
78 if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */
79 return BOOT_DEVICE_BOARD;
82 * The above method does not detect that the boot ROM used
83 * serial downloader in case the boot ROM decided to use the
84 * serial downloader as a fall back (primary boot source failed).
86 * Infer that the boot ROM used the USB serial downloader by
87 * checking whether the USB PHY is currently active... This
88 * assumes that SPL did not (yet) initialize the USB PHY...
90 if (is_usbotg_phy_active())
91 return BOOT_DEVICE_BOARD;
93 /* BOOT_CFG1[7:4] - see IMX6DQRM Table 8-8 */
94 switch ((reg & IMX6_BMODE_MASK) >> IMX6_BMODE_SHIFT) {
95 /* EIM: See 8.5.1, Table 8-9 */
97 /* BOOT_CFG1[3]: NOR/OneNAND Selection */
98 switch ((reg & IMX6_BMODE_EIM_MASK) >> IMX6_BMODE_EIM_SHIFT) {
99 case IMX6_BMODE_ONENAND:
100 return BOOT_DEVICE_ONENAND;
102 return BOOT_DEVICE_NOR;
105 /* Reserved: Used to force Serial Downloader */
106 case IMX6_BMODE_RESERVED:
107 return BOOT_DEVICE_BOARD;
108 /* SATA: See 8.5.4, Table 8-20 */
109 #if !defined(CONFIG_MX6UL) && !defined(CONFIG_MX6ULL)
110 case IMX6_BMODE_SATA:
111 return BOOT_DEVICE_SATA;
113 /* Serial ROM: See 8.5.5.1, Table 8-22 */
114 case IMX6_BMODE_SERIAL_ROM:
116 switch ((reg & IMX6_BMODE_SERIAL_ROM_MASK) >>
117 IMX6_BMODE_SERIAL_ROM_SHIFT) {
118 case IMX6_BMODE_ECSPI1:
119 case IMX6_BMODE_ECSPI2:
120 case IMX6_BMODE_ECSPI3:
121 case IMX6_BMODE_ECSPI4:
122 case IMX6_BMODE_ECSPI5:
123 return BOOT_DEVICE_SPI;
124 case IMX6_BMODE_I2C1:
125 case IMX6_BMODE_I2C2:
126 case IMX6_BMODE_I2C3:
127 return BOOT_DEVICE_I2C;
130 /* SD/eSD: 8.5.3, Table 8-15 */
133 return BOOT_DEVICE_MMC1;
134 /* MMC/eMMC: 8.5.3 */
136 case IMX6_BMODE_EMMC:
137 return BOOT_DEVICE_MMC1;
138 /* NAND Flash: 8.5.2, Table 8-10 */
139 case IMX6_BMODE_NAND_MIN ... IMX6_BMODE_NAND_MAX:
140 return BOOT_DEVICE_NAND;
141 #if defined(CONFIG_MX6UL) || defined(CONFIG_MX6ULL)
143 case IMX6_BMODE_QSPI:
144 return BOOT_DEVICE_SPI;
147 return BOOT_DEVICE_NONE;
150 #elif defined(CONFIG_MX7) || defined(CONFIG_IMX8M) || defined(CONFIG_IMX8) || defined(CONFIG_IMX9)
151 /* Translate iMX7/i.MX8M boot device to the SPL boot device enumeration */
152 u32 spl_boot_device(void)
154 #if defined(CONFIG_MX7)
155 unsigned int bmode = readl(&src_base->sbmr2);
158 * Check for BMODE if serial downloader is enabled
159 * BOOT_MODE - see IMX7DRM Table 6-24
161 if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */
162 return BOOT_DEVICE_BOARD;
165 * The above method does not detect that the boot ROM used
166 * serial downloader in case the boot ROM decided to use the
167 * serial downloader as a fall back (primary boot source failed).
169 * Infer that the boot ROM used the USB serial downloader by
170 * checking whether the USB PHY is currently active... This
171 * assumes that SPL did not (yet) initialize the USB PHY...
173 if (is_boot_from_usb())
174 return BOOT_DEVICE_BOARD;
177 enum boot_device boot_device_spl = get_boot_device();
179 return spl_board_boot_device(boot_device_spl);
181 #endif /* CONFIG_MX7 || CONFIG_IMX8M || CONFIG_IMX8 */
183 #ifdef CONFIG_SPL_USB_GADGET
184 int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
186 put_unaligned(CONFIG_USB_GADGET_PRODUCT_NUM + 0xfff, &dev->idProduct);
191 #define SDPV_BCD_DEVICE 0x500
192 int g_dnl_get_board_bcd_device_number(int gcnum)
194 return SDPV_BCD_DEVICE;
198 #if defined(CONFIG_SPL_MMC)
199 /* called from spl_mmc to see type of boot mode for storage (RAW or FAT) */
200 u32 spl_mmc_boot_mode(struct mmc *mmc, const u32 boot_device)
202 #if defined(CONFIG_MX7) || defined(CONFIG_IMX8M) || defined(CONFIG_IMX8)
203 switch (get_boot_device()) {
204 /* for MMC return either RAW or FAT mode */
208 if (IS_ENABLED(CONFIG_SPL_FS_FAT))
209 return MMCSD_MODE_FS;
211 return MMCSD_MODE_RAW;
215 if (IS_ENABLED(CONFIG_SPL_FS_FAT))
216 return MMCSD_MODE_FS;
217 else if (IS_ENABLED(CONFIG_SUPPORT_EMMC_BOOT))
218 return MMCSD_MODE_EMMCBOOT;
220 return MMCSD_MODE_RAW;
222 puts("spl: ERROR: unsupported device\n");
226 switch (boot_device) {
227 /* for MMC return either RAW or FAT mode */
228 case BOOT_DEVICE_MMC1:
229 case BOOT_DEVICE_MMC2:
230 case BOOT_DEVICE_MMC2_2:
231 if (IS_ENABLED(CONFIG_SPL_FS_FAT))
232 return MMCSD_MODE_FS;
233 else if (IS_ENABLED(CONFIG_SUPPORT_EMMC_BOOT))
234 return MMCSD_MODE_EMMCBOOT;
236 return MMCSD_MODE_RAW;
238 puts("spl: ERROR: unsupported device\n");
245 #if defined(CONFIG_IMX_HAB)
248 * +------------+ 0x0 (DDR_UIMAGE_START) -
250 * +------------+ 0x40 |
257 * . | > Stuff to be authenticated ----+
265 * +------------+ Align to ALIGN_SIZE | |
267 * +------------+ + IVT_SIZE - |
269 * | CSF DATA | <---------------------------------------------------------+
275 * +------------+ + CSF_PAD_SIZE
278 __weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
280 typedef void __noreturn (*image_entry_noargs_t)(void);
283 image_entry_noargs_t image_entry =
284 (image_entry_noargs_t)(unsigned long)spl_image->entry_point;
286 debug("image entry point: 0x%lX\n", spl_image->entry_point);
288 if (spl_image->flags & SPL_FIT_FOUND) {
292 * HAB looks for the CSF at the end of the authenticated
293 * data therefore, we need to subtract the size of the
294 * CSF from the actual filesize
296 offset = spl_image->size - CONFIG_CSF_SIZE;
297 if (!imx_hab_authenticate_image(spl_image->load_addr,
299 CSF_PAD_SIZE, offset)) {
302 panic("spl: ERROR: image authentication fail\n");
307 #if !defined(CONFIG_SPL_FIT_SIGNATURE)
308 ulong board_spl_fit_size_align(ulong size)
311 * HAB authenticate_image requests the IVT offset is
315 size = ALIGN(size, 0x1000);
316 size += CONFIG_CSF_SIZE;
321 void board_spl_fit_post_load(const void *fit)
323 u32 offset = ALIGN(fdt_totalsize(fit), 0x1000);
325 if (imx_hab_authenticate_image((uintptr_t)fit,
326 offset + IVT_SIZE + CSF_PAD_SIZE,
328 panic("spl: ERROR: image authentication unsuccessful\n");
333 void *board_spl_fit_buffer_addr(ulong fit_size, int sectors, int bl_len)
335 int align_len = ARCH_DMA_MINALIGN - 1;
337 /* Some devices like SDP, NOR, NAND, SPI are using bl_len =1, so their fit address
338 * is different with SD/MMC, this cause mismatch with signed address. Thus, adjust
339 * the bl_len to align with SD/MMC.
344 return (void *)((CONFIG_TEXT_BASE - fit_size - bl_len -
345 align_len) & ~align_len);
349 #if defined(CONFIG_MX6) && defined(CONFIG_SPL_OS_BOOT)
350 int dram_init_banksize(void)
352 gd->bd->bi_dram[0].start = CFG_SYS_SDRAM_BASE;
353 gd->bd->bi_dram[0].size = imx_ddr_size();
360 * read the address where the IVT header must sit
361 * from IVT image header, loaded from SPL into
362 * an malloced buffer and copy the IVT header
365 void *spl_load_simple_fit_fix_load(const void *fit)
369 unsigned long offset;
373 offset = ALIGN(fdt_totalsize(fit), 0x1000);
374 size = ALIGN(fdt_totalsize(fit), 4);
375 size = board_spl_fit_size_align(size);
377 ivt = (struct ivt *)tmp;
378 if (ivt->hdr.magic != IVT_HEADER_MAGIC) {
379 debug("no IVT header found\n");
382 debug("%s: ivt: %p offset: %lx size: %lx\n", __func__, ivt, offset, size);
383 debug("%s: ivt self: %x\n", __func__, ivt->self);
386 debug("%s: new %lx\n", __func__, new);
387 memcpy((void *)new, fit, size);