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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 Fancd357ad2018-11-20 10:19:25 +000099#elif defined(CONFIG_MX7) || defined(CONFIG_IMX8M)
100/* Translate iMX7/i.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) {
Peng Fan278f2732018-11-20 10:19:29 +0000129#if defined(CONFIG_MX7)
Uri Mashiachc5c6f372017-09-24 09:00:24 +0300130 case SD1_BOOT:
131 case MMC1_BOOT:
Uri Mashiachc5c6f372017-09-24 09:00:24 +0300132 case SD2_BOOT:
133 case MMC2_BOOT:
Eran Matityahue7528a32018-01-03 12:56:24 +0200134 case SD3_BOOT:
135 case MMC3_BOOT:
Eran Matityahucd9f3ff2018-01-03 12:53:08 +0200136 return BOOT_DEVICE_MMC1;
Peng Fan278f2732018-11-20 10:19:29 +0000137#elif defined(CONFIG_IMX8M)
138 case SD1_BOOT:
139 case MMC1_BOOT:
140 return BOOT_DEVICE_MMC1;
141 case SD2_BOOT:
142 case MMC2_BOOT:
143 return BOOT_DEVICE_MMC2;
144#endif
Eran Matityahue7528a32018-01-03 12:56:24 +0200145 case NAND_BOOT:
146 return BOOT_DEVICE_NAND;
Uri Mashiachc5c6f372017-09-24 09:00:24 +0300147 case SPI_NOR_BOOT:
148 return BOOT_DEVICE_SPI;
Peng Fand7cb10a2018-01-10 13:20:26 +0800149 case USB_BOOT:
150 return BOOT_DEVICE_USB;
Uri Mashiachc5c6f372017-09-24 09:00:24 +0300151 default:
152 return BOOT_DEVICE_NONE;
153 }
154}
Peng Fan278f2732018-11-20 10:19:29 +0000155#endif /* CONFIG_MX7 || CONFIG_IMX8M */
Uri Mashiachc5c6f372017-09-24 09:00:24 +0300156
Fabio Estevam511db3b2017-09-05 20:46:39 -0300157#ifdef CONFIG_SPL_USB_GADGET_SUPPORT
158int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
159{
Maxime Riparda95aee62017-09-07 08:58:08 +0200160 put_unaligned(CONFIG_USB_GADGET_PRODUCT_NUM + 0xfff, &dev->idProduct);
Fabio Estevam511db3b2017-09-05 20:46:39 -0300161
162 return 0;
163}
164#endif
Tim Harvey887717d2014-06-02 16:13:20 -0700165
Fabio Estevam03390862018-02-15 12:41:40 -0200166#if defined(CONFIG_SPL_MMC_SUPPORT)
167/* called from spl_mmc to see type of boot mode for storage (RAW or FAT) */
168u32 spl_boot_mode(const u32 boot_device)
169{
170 switch (spl_boot_device()) {
171 /* for MMC return either RAW or FAT mode */
172 case BOOT_DEVICE_MMC1:
173 case BOOT_DEVICE_MMC2:
174#if defined(CONFIG_SPL_FAT_SUPPORT)
175 return MMCSD_MODE_FS;
176#elif defined(CONFIG_SUPPORT_EMMC_BOOT)
177 return MMCSD_MODE_EMMCBOOT;
178#else
179 return MMCSD_MODE_RAW;
180#endif
181 break;
182 default:
183 puts("spl: ERROR: unsupported device\n");
184 hang();
185 }
186}
187#endif
188
Sven Ebenfeld15b505b2016-11-06 16:37:55 +0100189#if defined(CONFIG_SECURE_BOOT)
190
Bryan O'Donoghuec5800b22018-01-12 12:40:01 +0000191/*
192 * +------------+ 0x0 (DDR_UIMAGE_START) -
193 * | Header | |
194 * +------------+ 0x40 |
195 * | | |
196 * | | |
197 * | | |
198 * | | |
199 * | Image Data | |
200 * . | |
201 * . | > Stuff to be authenticated ----+
202 * . | | |
203 * | | | |
204 * | | | |
205 * +------------+ | |
206 * | | | |
207 * | Fill Data | | |
208 * | | | |
209 * +------------+ Align to ALIGN_SIZE | |
210 * | IVT | | |
211 * +------------+ + IVT_SIZE - |
212 * | | |
213 * | CSF DATA | <---------------------------------------------------------+
214 * | |
215 * +------------+
216 * | |
217 * | Fill Data |
218 * | |
219 * +------------+ + CSF_PAD_SIZE
220 */
221
Sven Ebenfeld15b505b2016-11-06 16:37:55 +0100222__weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
223{
224 typedef void __noreturn (*image_entry_noargs_t)(void);
Bryan O'Donoghuec5800b22018-01-12 12:40:01 +0000225 uint32_t offset;
Sven Ebenfeld15b505b2016-11-06 16:37:55 +0100226
227 image_entry_noargs_t image_entry =
228 (image_entry_noargs_t)(unsigned long)spl_image->entry_point;
229
Tom Rini4386feb2017-01-11 10:45:48 -0500230 debug("image entry point: 0x%lX\n", spl_image->entry_point);
Sven Ebenfeld15b505b2016-11-06 16:37:55 +0100231
Ye Lie246bfc2018-11-17 09:10:25 +0000232 if (spl_image->flags & SPL_FIT_FOUND) {
Sven Ebenfeld15b505b2016-11-06 16:37:55 +0100233 image_entry();
234 } else {
Ye Lie246bfc2018-11-17 09:10:25 +0000235 /*
236 * HAB looks for the CSF at the end of the authenticated
237 * data therefore, we need to subtract the size of the
238 * CSF from the actual filesize
239 */
240 offset = spl_image->size - CONFIG_CSF_SIZE;
241 if (!imx_hab_authenticate_image(spl_image->load_addr,
242 offset + IVT_SIZE +
243 CSF_PAD_SIZE, offset)) {
244 image_entry();
245 } else {
246 puts("spl: ERROR: image authentication fail\n");
247 hang();
248 }
249 }
250}
251
252ulong board_spl_fit_size_align(ulong size)
253{
254 /*
255 * HAB authenticate_image requests the IVT offset is
256 * aligned to 0x1000
257 */
258
259 size = ALIGN(size, 0x1000);
260 size += CONFIG_CSF_SIZE;
261
262 return size;
263}
264
265void board_spl_fit_post_load(ulong load_addr, size_t length)
266{
267 u32 offset = length - CONFIG_CSF_SIZE;
268
269 if (imx_hab_authenticate_image(load_addr,
270 offset + IVT_SIZE + CSF_PAD_SIZE,
271 offset)) {
Sven Ebenfeld15b505b2016-11-06 16:37:55 +0100272 puts("spl: ERROR: image authentication unsuccessful\n");
273 hang();
274 }
275}
276
277#endif
Jagan Teki46668df2017-08-28 16:45:47 +0530278
279#if defined(CONFIG_MX6) && defined(CONFIG_SPL_OS_BOOT)
280int dram_init_banksize(void)
281{
282 gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
283 gd->bd->bi_dram[0].size = imx_ddr_size();
284
285 return 0;
286}
287#endif