2 * Copyright (C) 2014 Gateworks Corporation
3 * Copyright (C) 2011-2012 Freescale Semiconductor, Inc.
5 * Author: Tim Harvey <tharvey@gateworks.com>
7 * SPDX-License-Identifier: GPL-2.0+
12 #include <asm/arch/imx-regs.h>
13 #include <asm/arch/sys_proto.h>
16 #include <asm/mach-imx/hab.h>
17 #include <asm/mach-imx/boot_mode.h>
20 DECLARE_GLOBAL_DATA_PTR
;
22 #if defined(CONFIG_MX6)
23 /* determine boot device from SRC_SBMR1 (BOOT_CFG[4:1]) or SRC_GPR9 register */
24 u32
spl_boot_device(void)
26 unsigned int bmode
= readl(&src_base
->sbmr2
);
27 u32 reg
= imx6_src_get_boot_mode();
30 * Check for BMODE if serial downloader is enabled
31 * BOOT_MODE - see IMX6DQRM Table 8-1
33 if (((bmode
>> 24) & 0x03) == 0x01) /* Serial Downloader */
34 return BOOT_DEVICE_BOARD
;
37 * The above method does not detect that the boot ROM used
38 * serial downloader in case the boot ROM decided to use the
39 * serial downloader as a fall back (primary boot source failed).
41 * Infer that the boot ROM used the USB serial downloader by
42 * checking whether the USB PHY is currently active... This
43 * assumes that SPL did not (yet) initialize the USB PHY...
45 if (is_usbotg_phy_active())
46 return BOOT_DEVICE_BOARD
;
48 /* BOOT_CFG1[7:4] - see IMX6DQRM Table 8-8 */
49 switch ((reg
& IMX6_BMODE_MASK
) >> IMX6_BMODE_SHIFT
) {
50 /* EIM: See 8.5.1, Table 8-9 */
52 /* BOOT_CFG1[3]: NOR/OneNAND Selection */
53 switch ((reg
& IMX6_BMODE_EMI_MASK
) >> IMX6_BMODE_EMI_SHIFT
) {
54 case IMX6_BMODE_ONENAND
:
55 return BOOT_DEVICE_ONENAND
;
57 return BOOT_DEVICE_NOR
;
60 /* Reserved: Used to force Serial Downloader */
61 case IMX6_BMODE_RESERVED
:
62 return BOOT_DEVICE_BOARD
;
63 /* SATA: See 8.5.4, Table 8-20 */
64 #if !defined(CONFIG_MX6UL) && !defined(CONFIG_MX6ULL)
66 return BOOT_DEVICE_SATA
;
68 /* Serial ROM: See 8.5.5.1, Table 8-22 */
69 case IMX6_BMODE_SERIAL_ROM
:
71 switch ((reg
& IMX6_BMODE_SERIAL_ROM_MASK
) >>
72 IMX6_BMODE_SERIAL_ROM_SHIFT
) {
73 case IMX6_BMODE_ECSPI1
:
74 case IMX6_BMODE_ECSPI2
:
75 case IMX6_BMODE_ECSPI3
:
76 case IMX6_BMODE_ECSPI4
:
77 case IMX6_BMODE_ECSPI5
:
78 return BOOT_DEVICE_SPI
;
82 return BOOT_DEVICE_I2C
;
85 /* SD/eSD: 8.5.3, Table 8-15 */
88 return BOOT_DEVICE_MMC1
;
92 return BOOT_DEVICE_MMC1
;
93 /* NAND Flash: 8.5.2, Table 8-10 */
94 case IMX6_BMODE_NAND_MIN
... IMX6_BMODE_NAND_MAX
:
95 return BOOT_DEVICE_NAND
;
97 return BOOT_DEVICE_NONE
;
100 #elif defined(CONFIG_MX7)
101 /* Translate iMX7 boot device to the SPL boot device enumeration */
102 u32
spl_boot_device(void)
104 enum boot_device boot_device_spl
= get_boot_device();
106 switch (boot_device_spl
) {
109 return BOOT_DEVICE_MMC1
;
112 return BOOT_DEVICE_MMC2
;
114 return BOOT_DEVICE_SPI
;
116 return BOOT_DEVICE_NONE
;
119 #endif /* CONFIG_MX6 || CONFIG_MX7 */
121 #ifdef CONFIG_SPL_USB_GADGET_SUPPORT
122 int g_dnl_bind_fixup(struct usb_device_descriptor
*dev
, const char *name
)
124 put_unaligned(CONFIG_USB_GADGET_PRODUCT_NUM
+ 0xfff, &dev
->idProduct
);
130 #if defined(CONFIG_SPL_MMC_SUPPORT)
131 /* called from spl_mmc to see type of boot mode for storage (RAW or FAT) */
132 u32
spl_boot_mode(const u32 boot_device
)
134 switch (spl_boot_device()) {
135 /* for MMC return either RAW or FAT mode */
136 case BOOT_DEVICE_MMC1
:
137 case BOOT_DEVICE_MMC2
:
138 #if defined(CONFIG_SPL_FAT_SUPPORT)
139 return MMCSD_MODE_FS
;
140 #elif defined(CONFIG_SUPPORT_EMMC_BOOT)
141 return MMCSD_MODE_EMMCBOOT
;
143 return MMCSD_MODE_RAW
;
147 puts("spl: ERROR: unsupported device\n");
153 #if defined(CONFIG_SECURE_BOOT)
155 __weak
void __noreturn
jump_to_image_no_args(struct spl_image_info
*spl_image
)
157 typedef void __noreturn (*image_entry_noargs_t
)(void);
159 image_entry_noargs_t image_entry
=
160 (image_entry_noargs_t
)(unsigned long)spl_image
->entry_point
;
162 debug("image entry point: 0x%lX\n", spl_image
->entry_point
);
164 /* HAB looks for the CSF at the end of the authenticated data therefore,
165 * we need to subtract the size of the CSF from the actual filesize */
166 if (authenticate_image(spl_image
->load_addr
,
167 spl_image
->size
- CONFIG_CSF_SIZE
)) {
170 puts("spl: ERROR: image authentication unsuccessful\n");
177 #if defined(CONFIG_MX6) && defined(CONFIG_SPL_OS_BOOT)
178 int dram_init_banksize(void)
180 gd
->bd
->bi_dram
[0].start
= CONFIG_SYS_SDRAM_BASE
;
181 gd
->bd
->bi_dram
[0].size
= imx_ddr_size();