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)
31 #if defined(CONFIG_MX6)
32 /* determine boot device from SRC_SBMR1 (BOOT_CFG[4:1]) or SRC_GPR9 register */
33 u32 spl_boot_device(void)
35 unsigned int bmode = readl(&src_base->sbmr2);
36 u32 reg = imx6_src_get_boot_mode();
39 * Check for BMODE if serial downloader is enabled
40 * BOOT_MODE - see IMX6DQRM Table 8-1
42 if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */
43 return BOOT_DEVICE_BOARD;
46 * The above method does not detect that the boot ROM used
47 * serial downloader in case the boot ROM decided to use the
48 * serial downloader as a fall back (primary boot source failed).
50 * Infer that the boot ROM used the USB serial downloader by
51 * checking whether the USB PHY is currently active... This
52 * assumes that SPL did not (yet) initialize the USB PHY...
54 if (is_usbotg_phy_active())
55 return BOOT_DEVICE_BOARD;
57 /* BOOT_CFG1[7:4] - see IMX6DQRM Table 8-8 */
58 switch ((reg & IMX6_BMODE_MASK) >> IMX6_BMODE_SHIFT) {
59 /* EIM: See 8.5.1, Table 8-9 */
61 /* BOOT_CFG1[3]: NOR/OneNAND Selection */
62 switch ((reg & IMX6_BMODE_EMI_MASK) >> IMX6_BMODE_EMI_SHIFT) {
63 case IMX6_BMODE_ONENAND:
64 return BOOT_DEVICE_ONENAND;
66 return BOOT_DEVICE_NOR;
69 /* Reserved: Used to force Serial Downloader */
70 case IMX6_BMODE_RESERVED:
71 return BOOT_DEVICE_BOARD;
72 /* SATA: See 8.5.4, Table 8-20 */
73 #if !defined(CONFIG_MX6UL) && !defined(CONFIG_MX6ULL)
75 return BOOT_DEVICE_SATA;
77 /* Serial ROM: See 8.5.5.1, Table 8-22 */
78 case IMX6_BMODE_SERIAL_ROM:
80 switch ((reg & IMX6_BMODE_SERIAL_ROM_MASK) >>
81 IMX6_BMODE_SERIAL_ROM_SHIFT) {
82 case IMX6_BMODE_ECSPI1:
83 case IMX6_BMODE_ECSPI2:
84 case IMX6_BMODE_ECSPI3:
85 case IMX6_BMODE_ECSPI4:
86 case IMX6_BMODE_ECSPI5:
87 return BOOT_DEVICE_SPI;
91 return BOOT_DEVICE_I2C;
94 /* SD/eSD: 8.5.3, Table 8-15 */
97 return BOOT_DEVICE_MMC1;
100 case IMX6_BMODE_EMMC:
101 return BOOT_DEVICE_MMC1;
102 /* NAND Flash: 8.5.2, Table 8-10 */
103 case IMX6_BMODE_NAND_MIN ... IMX6_BMODE_NAND_MAX:
104 return BOOT_DEVICE_NAND;
105 #if defined(CONFIG_MX6UL) || defined(CONFIG_MX6ULL)
107 case IMX6_BMODE_QSPI:
108 return BOOT_DEVICE_SPI;
111 return BOOT_DEVICE_NONE;
114 #elif defined(CONFIG_MX7) || defined(CONFIG_IMX8M) || defined(CONFIG_IMX8)
115 /* Translate iMX7/i.MX8M boot device to the SPL boot device enumeration */
116 u32 spl_boot_device(void)
118 #if defined(CONFIG_MX7)
119 unsigned int bmode = readl(&src_base->sbmr2);
122 * Check for BMODE if serial downloader is enabled
123 * BOOT_MODE - see IMX7DRM Table 6-24
125 if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */
126 return BOOT_DEVICE_BOARD;
129 * The above method does not detect that the boot ROM used
130 * serial downloader in case the boot ROM decided to use the
131 * serial downloader as a fall back (primary boot source failed).
133 * Infer that the boot ROM used the USB serial downloader by
134 * checking whether the USB PHY is currently active... This
135 * assumes that SPL did not (yet) initialize the USB PHY...
137 if (is_boot_from_usb())
138 return BOOT_DEVICE_BOARD;
141 enum boot_device boot_device_spl = get_boot_device();
143 if (IS_ENABLED(CONFIG_IMX8MM) || IS_ENABLED(CONFIG_IMX8MN) ||
144 IS_ENABLED(CONFIG_IMX8MP))
145 return spl_board_boot_device(boot_device_spl);
147 switch (boot_device_spl) {
148 #if defined(CONFIG_MX7)
155 return BOOT_DEVICE_MMC1;
156 #elif defined(CONFIG_IMX8)
158 return BOOT_DEVICE_MMC1;
160 return BOOT_DEVICE_MMC2_2;
162 return BOOT_DEVICE_MMC1;
164 return BOOT_DEVICE_SPI;
165 #elif defined(CONFIG_IMX8M)
168 return BOOT_DEVICE_MMC1;
171 return BOOT_DEVICE_MMC2;
174 return BOOT_DEVICE_NAND;
176 return BOOT_DEVICE_SPI;
178 return BOOT_DEVICE_NOR;
180 return BOOT_DEVICE_USB;
182 return BOOT_DEVICE_NONE;
185 #endif /* CONFIG_MX7 || CONFIG_IMX8M || CONFIG_IMX8 */
187 #ifdef CONFIG_SPL_USB_GADGET
188 int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
190 put_unaligned(CONFIG_USB_GADGET_PRODUCT_NUM + 0xfff, &dev->idProduct);
195 #define SDPV_BCD_DEVICE 0x500
196 int g_dnl_get_board_bcd_device_number(int gcnum)
198 return SDPV_BCD_DEVICE;
202 #if defined(CONFIG_SPL_MMC)
203 /* called from spl_mmc to see type of boot mode for storage (RAW or FAT) */
204 u32 spl_mmc_boot_mode(const u32 boot_device)
206 #if defined(CONFIG_MX7) || defined(CONFIG_IMX8M) || defined(CONFIG_IMX8)
207 switch (get_boot_device()) {
208 /* for MMC return either RAW or FAT mode */
212 if (IS_ENABLED(CONFIG_SPL_FS_FAT))
213 return MMCSD_MODE_FS;
215 return MMCSD_MODE_RAW;
219 if (IS_ENABLED(CONFIG_SPL_FS_FAT))
220 return MMCSD_MODE_FS;
221 else if (IS_ENABLED(CONFIG_SUPPORT_EMMC_BOOT))
222 return MMCSD_MODE_EMMCBOOT;
224 return MMCSD_MODE_RAW;
226 puts("spl: ERROR: unsupported device\n");
230 switch (boot_device) {
231 /* for MMC return either RAW or FAT mode */
232 case BOOT_DEVICE_MMC1:
233 case BOOT_DEVICE_MMC2:
234 case BOOT_DEVICE_MMC2_2:
235 if (IS_ENABLED(CONFIG_SPL_FS_FAT))
236 return MMCSD_MODE_FS;
237 else if (IS_ENABLED(CONFIG_SUPPORT_EMMC_BOOT))
238 return MMCSD_MODE_EMMCBOOT;
240 return MMCSD_MODE_RAW;
242 puts("spl: ERROR: unsupported device\n");
249 #if defined(CONFIG_IMX_HAB)
252 * +------------+ 0x0 (DDR_UIMAGE_START) -
254 * +------------+ 0x40 |
261 * . | > Stuff to be authenticated ----+
269 * +------------+ Align to ALIGN_SIZE | |
271 * +------------+ + IVT_SIZE - |
273 * | CSF DATA | <---------------------------------------------------------+
279 * +------------+ + CSF_PAD_SIZE
282 __weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
284 typedef void __noreturn (*image_entry_noargs_t)(void);
287 image_entry_noargs_t image_entry =
288 (image_entry_noargs_t)(unsigned long)spl_image->entry_point;
290 debug("image entry point: 0x%lX\n", spl_image->entry_point);
292 if (spl_image->flags & SPL_FIT_FOUND) {
296 * HAB looks for the CSF at the end of the authenticated
297 * data therefore, we need to subtract the size of the
298 * CSF from the actual filesize
300 offset = spl_image->size - CONFIG_CSF_SIZE;
301 if (!imx_hab_authenticate_image(spl_image->load_addr,
303 CSF_PAD_SIZE, offset)) {
306 panic("spl: ERROR: image authentication fail\n");
311 #if !defined(CONFIG_SPL_FIT_SIGNATURE)
312 ulong board_spl_fit_size_align(ulong size)
315 * HAB authenticate_image requests the IVT offset is
319 size = ALIGN(size, 0x1000);
320 size += CONFIG_CSF_SIZE;
325 void board_spl_fit_post_load(const void *fit)
327 u32 offset = ALIGN(fdt_totalsize(fit), 0x1000);
329 if (imx_hab_authenticate_image((uintptr_t)fit,
330 offset + IVT_SIZE + CSF_PAD_SIZE,
332 panic("spl: ERROR: image authentication unsuccessful\n");
339 #if defined(CONFIG_MX6) && defined(CONFIG_SPL_OS_BOOT)
340 int dram_init_banksize(void)
342 gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
343 gd->bd->bi_dram[0].size = imx_ddr_size();