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Tom Rini83d290c2018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Tim Harvey887717d2014-06-02 16:13:20 -07002/*
3 * Copyright (C) 2014 Gateworks Corporation
4 * Copyright (C) 2011-2012 Freescale Semiconductor, Inc.
5 *
6 * Author: Tim Harvey <tharvey@gateworks.com>
Tim Harvey887717d2014-06-02 16:13:20 -07007 */
8
9#include <common.h>
10#include <asm/io.h>
11#include <asm/arch/imx-regs.h>
Jagan Tekicba586b2017-02-24 15:45:12 +053012#include <asm/arch/sys_proto.h>
Tim Harvey887717d2014-06-02 16:13:20 -070013#include <asm/spl.h>
14#include <spl.h>
Stefano Babic552a8482017-06-29 10:16:06 +020015#include <asm/mach-imx/hab.h>
Uri Mashiachc5c6f372017-09-24 09:00:24 +030016#include <asm/mach-imx/boot_mode.h>
Fabio Estevam511db3b2017-09-05 20:46:39 -030017#include <g_dnl.h>
Tim Harvey887717d2014-06-02 16:13:20 -070018
Jagan Teki46668df2017-08-28 16:45:47 +053019DECLARE_GLOBAL_DATA_PTR;
20
Tim Harvey887717d2014-06-02 16:13:20 -070021#if defined(CONFIG_MX6)
Nikita Kiryanovf2863ff2014-10-29 19:28:33 +020022/* determine boot device from SRC_SBMR1 (BOOT_CFG[4:1]) or SRC_GPR9 register */
Tim Harvey887717d2014-06-02 16:13:20 -070023u32 spl_boot_device(void)
24{
Jagan Teki7b54f5a2017-02-24 15:45:15 +053025 unsigned int bmode = readl(&src_base->sbmr2);
Jagan Tekicba586b2017-02-24 15:45:12 +053026 u32 reg = imx6_src_get_boot_mode();
Tim Harvey887717d2014-06-02 16:13:20 -070027
Stefano Babic40f48392015-12-11 17:30:42 +010028 /*
29 * Check for BMODE if serial downloader is enabled
30 * BOOT_MODE - see IMX6DQRM Table 8-1
31 */
Stefan Agnerac0a93f2016-12-27 17:01:42 +010032 if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */
Stefan Agner962c78b2017-08-15 17:49:43 -070033 return BOOT_DEVICE_BOARD;
Jagan Teki96aac842017-02-24 15:45:14 +053034
Stefan Agnere203dcf2017-09-13 14:29:45 -070035 /*
36 * The above method does not detect that the boot ROM used
37 * serial downloader in case the boot ROM decided to use the
38 * serial downloader as a fall back (primary boot source failed).
39 *
40 * Infer that the boot ROM used the USB serial downloader by
41 * checking whether the USB PHY is currently active... This
42 * assumes that SPL did not (yet) initialize the USB PHY...
43 */
44 if (is_usbotg_phy_active())
45 return BOOT_DEVICE_BOARD;
46
Tim Harvey887717d2014-06-02 16:13:20 -070047 /* BOOT_CFG1[7:4] - see IMX6DQRM Table 8-8 */
Jagan Teki96aac842017-02-24 15:45:14 +053048 switch ((reg & IMX6_BMODE_MASK) >> IMX6_BMODE_SHIFT) {
Tim Harvey887717d2014-06-02 16:13:20 -070049 /* EIM: See 8.5.1, Table 8-9 */
Jagan Teki96aac842017-02-24 15:45:14 +053050 case IMX6_BMODE_EMI:
Tim Harvey887717d2014-06-02 16:13:20 -070051 /* BOOT_CFG1[3]: NOR/OneNAND Selection */
Jagan Teki96aac842017-02-24 15:45:14 +053052 switch ((reg & IMX6_BMODE_EMI_MASK) >> IMX6_BMODE_EMI_SHIFT) {
53 case IMX6_BMODE_ONENAND:
Tim Harvey887717d2014-06-02 16:13:20 -070054 return BOOT_DEVICE_ONENAND;
Jagan Teki96aac842017-02-24 15:45:14 +053055 case IMX6_BMODE_NOR:
Tim Harvey887717d2014-06-02 16:13:20 -070056 return BOOT_DEVICE_NOR;
57 break;
Jagan Teki96aac842017-02-24 15:45:14 +053058 }
Stefan Agnerac0a93f2016-12-27 17:01:42 +010059 /* Reserved: Used to force Serial Downloader */
Stefan Agner3bd16422017-08-15 17:49:42 -070060 case IMX6_BMODE_RESERVED:
Stefan Agner962c78b2017-08-15 17:49:43 -070061 return BOOT_DEVICE_BOARD;
Tim Harvey887717d2014-06-02 16:13:20 -070062 /* SATA: See 8.5.4, Table 8-20 */
Stefan Agner624da532017-08-29 09:10:11 -070063#if !defined(CONFIG_MX6UL) && !defined(CONFIG_MX6ULL)
Jagan Teki96aac842017-02-24 15:45:14 +053064 case IMX6_BMODE_SATA:
Tim Harvey887717d2014-06-02 16:13:20 -070065 return BOOT_DEVICE_SATA;
Stefan Agner624da532017-08-29 09:10:11 -070066#endif
Tim Harvey887717d2014-06-02 16:13:20 -070067 /* Serial ROM: See 8.5.5.1, Table 8-22 */
Jagan Teki96aac842017-02-24 15:45:14 +053068 case IMX6_BMODE_SERIAL_ROM:
Tim Harvey887717d2014-06-02 16:13:20 -070069 /* BOOT_CFG4[2:0] */
Jagan Teki96aac842017-02-24 15:45:14 +053070 switch ((reg & IMX6_BMODE_SERIAL_ROM_MASK) >>
71 IMX6_BMODE_SERIAL_ROM_SHIFT) {
72 case IMX6_BMODE_ECSPI1:
73 case IMX6_BMODE_ECSPI2:
74 case IMX6_BMODE_ECSPI3:
75 case IMX6_BMODE_ECSPI4:
76 case IMX6_BMODE_ECSPI5:
Tim Harvey887717d2014-06-02 16:13:20 -070077 return BOOT_DEVICE_SPI;
Jagan Teki96aac842017-02-24 15:45:14 +053078 case IMX6_BMODE_I2C1:
79 case IMX6_BMODE_I2C2:
80 case IMX6_BMODE_I2C3:
Tim Harvey887717d2014-06-02 16:13:20 -070081 return BOOT_DEVICE_I2C;
82 }
83 break;
84 /* SD/eSD: 8.5.3, Table 8-15 */
Jagan Teki96aac842017-02-24 15:45:14 +053085 case IMX6_BMODE_SD:
86 case IMX6_BMODE_ESD:
Breno Lima51efaba2016-11-30 10:08:58 -020087 return BOOT_DEVICE_MMC1;
Tim Harvey887717d2014-06-02 16:13:20 -070088 /* MMC/eMMC: 8.5.3 */
Jagan Teki96aac842017-02-24 15:45:14 +053089 case IMX6_BMODE_MMC:
90 case IMX6_BMODE_EMMC:
Tim Harvey887717d2014-06-02 16:13:20 -070091 return BOOT_DEVICE_MMC1;
Jagan Teki20f14712017-02-24 15:45:13 +053092 /* NAND Flash: 8.5.2, Table 8-10 */
Eran Matityahuaf104ae2017-12-14 20:20:02 +020093 case IMX6_BMODE_NAND_MIN ... IMX6_BMODE_NAND_MAX:
Tim Harvey887717d2014-06-02 16:13:20 -070094 return BOOT_DEVICE_NAND;
95 }
96 return BOOT_DEVICE_NONE;
97}
Fabio Estevam511db3b2017-09-05 20:46:39 -030098
Peng Fand7cb10a2018-01-10 13:20:26 +080099#elif defined(CONFIG_MX7) || defined(CONFIG_MX8M)
100/* Translate iMX7/MX8M boot device to the SPL boot device enumeration */
Uri Mashiachc5c6f372017-09-24 09:00:24 +0300101u32 spl_boot_device(void)
102{
Eran Matityahu0fe69ad2018-03-06 16:38:00 +0200103#if defined(CONFIG_MX7)
104 unsigned int bmode = readl(&src_base->sbmr2);
105
106 /*
107 * Check for BMODE if serial downloader is enabled
108 * BOOT_MODE - see IMX7DRM Table 6-24
109 */
110 if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */
111 return BOOT_DEVICE_BOARD;
112
113 /*
114 * The above method does not detect that the boot ROM used
115 * serial downloader in case the boot ROM decided to use the
116 * serial downloader as a fall back (primary boot source failed).
117 *
118 * Infer that the boot ROM used the USB serial downloader by
119 * checking whether the USB PHY is currently active... This
120 * assumes that SPL did not (yet) initialize the USB PHY...
121 */
122 if (is_boot_from_usb())
123 return BOOT_DEVICE_BOARD;
124#endif
125
Uri Mashiachc5c6f372017-09-24 09:00:24 +0300126 enum boot_device boot_device_spl = get_boot_device();
127
128 switch (boot_device_spl) {
129 case SD1_BOOT:
130 case MMC1_BOOT:
Uri Mashiachc5c6f372017-09-24 09:00:24 +0300131 case SD2_BOOT:
132 case MMC2_BOOT:
Eran Matityahue7528a32018-01-03 12:56:24 +0200133 case SD3_BOOT:
134 case MMC3_BOOT:
Eran Matityahucd9f3ff2018-01-03 12:53:08 +0200135 return BOOT_DEVICE_MMC1;
Eran Matityahue7528a32018-01-03 12:56:24 +0200136 case NAND_BOOT:
137 return BOOT_DEVICE_NAND;
Uri Mashiachc5c6f372017-09-24 09:00:24 +0300138 case SPI_NOR_BOOT:
139 return BOOT_DEVICE_SPI;
Peng Fand7cb10a2018-01-10 13:20:26 +0800140 case USB_BOOT:
141 return BOOT_DEVICE_USB;
Uri Mashiachc5c6f372017-09-24 09:00:24 +0300142 default:
143 return BOOT_DEVICE_NONE;
144 }
145}
Peng Fand7cb10a2018-01-10 13:20:26 +0800146#endif /* CONFIG_MX6 || CONFIG_MX7 || CONFIG_MX8M */
Uri Mashiachc5c6f372017-09-24 09:00:24 +0300147
Fabio Estevam511db3b2017-09-05 20:46:39 -0300148#ifdef CONFIG_SPL_USB_GADGET_SUPPORT
149int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
150{
Maxime Riparda95aee62017-09-07 08:58:08 +0200151 put_unaligned(CONFIG_USB_GADGET_PRODUCT_NUM + 0xfff, &dev->idProduct);
Fabio Estevam511db3b2017-09-05 20:46:39 -0300152
153 return 0;
154}
155#endif
Tim Harvey887717d2014-06-02 16:13:20 -0700156
Fabio Estevam03390862018-02-15 12:41:40 -0200157#if defined(CONFIG_SPL_MMC_SUPPORT)
158/* called from spl_mmc to see type of boot mode for storage (RAW or FAT) */
159u32 spl_boot_mode(const u32 boot_device)
160{
161 switch (spl_boot_device()) {
162 /* for MMC return either RAW or FAT mode */
163 case BOOT_DEVICE_MMC1:
164 case BOOT_DEVICE_MMC2:
165#if defined(CONFIG_SPL_FAT_SUPPORT)
166 return MMCSD_MODE_FS;
167#elif defined(CONFIG_SUPPORT_EMMC_BOOT)
168 return MMCSD_MODE_EMMCBOOT;
169#else
170 return MMCSD_MODE_RAW;
171#endif
172 break;
173 default:
174 puts("spl: ERROR: unsupported device\n");
175 hang();
176 }
177}
178#endif
179
Sven Ebenfeld15b505b2016-11-06 16:37:55 +0100180#if defined(CONFIG_SECURE_BOOT)
181
Bryan O'Donoghuec5800b22018-01-12 12:40:01 +0000182/*
183 * +------------+ 0x0 (DDR_UIMAGE_START) -
184 * | Header | |
185 * +------------+ 0x40 |
186 * | | |
187 * | | |
188 * | | |
189 * | | |
190 * | Image Data | |
191 * . | |
192 * . | > Stuff to be authenticated ----+
193 * . | | |
194 * | | | |
195 * | | | |
196 * +------------+ | |
197 * | | | |
198 * | Fill Data | | |
199 * | | | |
200 * +------------+ Align to ALIGN_SIZE | |
201 * | IVT | | |
202 * +------------+ + IVT_SIZE - |
203 * | | |
204 * | CSF DATA | <---------------------------------------------------------+
205 * | |
206 * +------------+
207 * | |
208 * | Fill Data |
209 * | |
210 * +------------+ + CSF_PAD_SIZE
211 */
212
Sven Ebenfeld15b505b2016-11-06 16:37:55 +0100213__weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
214{
215 typedef void __noreturn (*image_entry_noargs_t)(void);
Bryan O'Donoghuec5800b22018-01-12 12:40:01 +0000216 uint32_t offset;
Sven Ebenfeld15b505b2016-11-06 16:37:55 +0100217
218 image_entry_noargs_t image_entry =
219 (image_entry_noargs_t)(unsigned long)spl_image->entry_point;
220
Tom Rini4386feb2017-01-11 10:45:48 -0500221 debug("image entry point: 0x%lX\n", spl_image->entry_point);
Sven Ebenfeld15b505b2016-11-06 16:37:55 +0100222
223 /* HAB looks for the CSF at the end of the authenticated data therefore,
224 * we need to subtract the size of the CSF from the actual filesize */
Bryan O'Donoghuec5800b22018-01-12 12:40:01 +0000225 offset = spl_image->size - CONFIG_CSF_SIZE;
Bryan O'Donoghue57f65482018-01-12 12:40:13 +0000226 if (!imx_hab_authenticate_image(spl_image->load_addr,
227 offset + IVT_SIZE + CSF_PAD_SIZE,
228 offset)) {
Sven Ebenfeld15b505b2016-11-06 16:37:55 +0100229 image_entry();
230 } else {
231 puts("spl: ERROR: image authentication unsuccessful\n");
232 hang();
233 }
234}
235
236#endif
Jagan Teki46668df2017-08-28 16:45:47 +0530237
238#if defined(CONFIG_MX6) && defined(CONFIG_SPL_OS_BOOT)
239int dram_init_banksize(void)
240{
241 gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
242 gd->bd->bi_dram[0].size = imx_ddr_size();
243
244 return 0;
245}
246#endif