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>
14 #include <asm/arch/imx-regs.h>
15 #include <asm/arch/sys_proto.h>
18 #include <asm/mach-imx/hab.h>
19 #include <asm/mach-imx/boot_mode.h>
22 DECLARE_GLOBAL_DATA_PTR;
24 __weak int spl_board_boot_device(enum boot_device boot_dev_spl)
29 #if defined(CONFIG_MX6)
30 /* determine boot device from SRC_SBMR1 (BOOT_CFG[4:1]) or SRC_GPR9 register */
31 u32 spl_boot_device(void)
33 unsigned int bmode = readl(&src_base->sbmr2);
34 u32 reg = imx6_src_get_boot_mode();
37 * Check for BMODE if serial downloader is enabled
38 * BOOT_MODE - see IMX6DQRM Table 8-1
40 if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */
41 return BOOT_DEVICE_BOARD;
44 * The above method does not detect that the boot ROM used
45 * serial downloader in case the boot ROM decided to use the
46 * serial downloader as a fall back (primary boot source failed).
48 * Infer that the boot ROM used the USB serial downloader by
49 * checking whether the USB PHY is currently active... This
50 * assumes that SPL did not (yet) initialize the USB PHY...
52 if (is_usbotg_phy_active())
53 return BOOT_DEVICE_BOARD;
55 /* BOOT_CFG1[7:4] - see IMX6DQRM Table 8-8 */
56 switch ((reg & IMX6_BMODE_MASK) >> IMX6_BMODE_SHIFT) {
57 /* EIM: See 8.5.1, Table 8-9 */
59 /* BOOT_CFG1[3]: NOR/OneNAND Selection */
60 switch ((reg & IMX6_BMODE_EMI_MASK) >> IMX6_BMODE_EMI_SHIFT) {
61 case IMX6_BMODE_ONENAND:
62 return BOOT_DEVICE_ONENAND;
64 return BOOT_DEVICE_NOR;
67 /* Reserved: Used to force Serial Downloader */
68 case IMX6_BMODE_RESERVED:
69 return BOOT_DEVICE_BOARD;
70 /* SATA: See 8.5.4, Table 8-20 */
71 #if !defined(CONFIG_MX6UL) && !defined(CONFIG_MX6ULL)
73 return BOOT_DEVICE_SATA;
75 /* Serial ROM: See 8.5.5.1, Table 8-22 */
76 case IMX6_BMODE_SERIAL_ROM:
78 switch ((reg & IMX6_BMODE_SERIAL_ROM_MASK) >>
79 IMX6_BMODE_SERIAL_ROM_SHIFT) {
80 case IMX6_BMODE_ECSPI1:
81 case IMX6_BMODE_ECSPI2:
82 case IMX6_BMODE_ECSPI3:
83 case IMX6_BMODE_ECSPI4:
84 case IMX6_BMODE_ECSPI5:
85 return BOOT_DEVICE_SPI;
89 return BOOT_DEVICE_I2C;
92 /* SD/eSD: 8.5.3, Table 8-15 */
95 return BOOT_DEVICE_MMC1;
99 return BOOT_DEVICE_MMC1;
100 /* NAND Flash: 8.5.2, Table 8-10 */
101 case IMX6_BMODE_NAND_MIN ... IMX6_BMODE_NAND_MAX:
102 return BOOT_DEVICE_NAND;
103 #if defined(CONFIG_MX6UL) || defined(CONFIG_MX6ULL)
105 case IMX6_BMODE_QSPI:
106 return BOOT_DEVICE_SPI;
109 return BOOT_DEVICE_NONE;
112 #elif defined(CONFIG_MX7) || defined(CONFIG_IMX8M) || defined(CONFIG_IMX8)
113 /* Translate iMX7/i.MX8M boot device to the SPL boot device enumeration */
114 u32 spl_boot_device(void)
116 #if defined(CONFIG_MX7)
117 unsigned int bmode = readl(&src_base->sbmr2);
120 * Check for BMODE if serial downloader is enabled
121 * BOOT_MODE - see IMX7DRM Table 6-24
123 if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */
124 return BOOT_DEVICE_BOARD;
127 * The above method does not detect that the boot ROM used
128 * serial downloader in case the boot ROM decided to use the
129 * serial downloader as a fall back (primary boot source failed).
131 * Infer that the boot ROM used the USB serial downloader by
132 * checking whether the USB PHY is currently active... This
133 * assumes that SPL did not (yet) initialize the USB PHY...
135 if (is_boot_from_usb())
136 return BOOT_DEVICE_BOARD;
139 enum boot_device boot_device_spl = get_boot_device();
141 if (IS_ENABLED(CONFIG_IMX8MM) || IS_ENABLED(CONFIG_IMX8MN) ||
142 IS_ENABLED(CONFIG_IMX8MP))
143 return spl_board_boot_device(boot_device_spl);
145 switch (boot_device_spl) {
146 #if defined(CONFIG_MX7)
153 return BOOT_DEVICE_MMC1;
154 #elif defined(CONFIG_IMX8)
156 return BOOT_DEVICE_MMC1;
158 return BOOT_DEVICE_MMC2_2;
160 return BOOT_DEVICE_MMC1;
162 return BOOT_DEVICE_SPI;
163 #elif defined(CONFIG_IMX8M)
166 return BOOT_DEVICE_MMC1;
169 return BOOT_DEVICE_MMC2;
172 return BOOT_DEVICE_NAND;
174 return BOOT_DEVICE_SPI;
176 return BOOT_DEVICE_USB;
178 return BOOT_DEVICE_NONE;
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_SUPPORT)
199 /* called from spl_mmc to see type of boot mode for storage (RAW or FAT) */
200 u32 spl_mmc_boot_mode(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(ulong load_addr, size_t length)
323 u32 offset = length - CONFIG_CSF_SIZE;
325 if (imx_hab_authenticate_image(load_addr,
326 offset + IVT_SIZE + CSF_PAD_SIZE,
328 panic("spl: ERROR: image authentication unsuccessful\n");
335 #if defined(CONFIG_MX6) && defined(CONFIG_SPL_OS_BOOT)
336 int dram_init_banksize(void)
338 gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
339 gd->bd->bi_dram[0].size = imx_ddr_size();