353 lines
9.4 KiB
C
353 lines
9.4 KiB
C
|
// SPDX-License-Identifier: GPL-2.0+
|
||
|
|
/*
|
||
|
|
* Copyright (C) 2014 Gateworks Corporation
|
||
|
|
* Copyright (C) 2011-2012 Freescale Semiconductor, Inc.
|
||
|
|
*
|
||
|
|
* Author: Tim Harvey <tharvey@gateworks.com>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <common.h>
|
||
|
|
#include <asm/io.h>
|
||
|
|
#include <asm/arch/imx-regs.h>
|
||
|
|
#include <asm/arch/sys_proto.h>
|
||
|
|
#include <asm/spl.h>
|
||
|
|
#include <spl.h>
|
||
|
|
#include <asm/mach-imx/hab.h>
|
||
|
|
#include <asm/mach-imx/boot_mode.h>
|
||
|
|
#include <g_dnl.h>
|
||
|
|
|
||
|
|
DECLARE_GLOBAL_DATA_PTR;
|
||
|
|
|
||
|
|
__weak int spl_board_boot_device(enum boot_device boot_dev_spl)
|
||
|
|
{
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
#if defined(CONFIG_MX6)
|
||
|
|
/* determine boot device from SRC_SBMR1 (BOOT_CFG[4:1]) or SRC_GPR9 register */
|
||
|
|
u32 spl_boot_device(void)
|
||
|
|
{
|
||
|
|
unsigned int bmode = readl(&src_base->sbmr2);
|
||
|
|
u32 reg = imx6_src_get_boot_mode();
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Check for BMODE if serial downloader is enabled
|
||
|
|
* BOOT_MODE - see IMX6DQRM Table 8-1
|
||
|
|
*/
|
||
|
|
if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */
|
||
|
|
return BOOT_DEVICE_BOARD;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* The above method does not detect that the boot ROM used
|
||
|
|
* serial downloader in case the boot ROM decided to use the
|
||
|
|
* serial downloader as a fall back (primary boot source failed).
|
||
|
|
*
|
||
|
|
* Infer that the boot ROM used the USB serial downloader by
|
||
|
|
* checking whether the USB PHY is currently active... This
|
||
|
|
* assumes that SPL did not (yet) initialize the USB PHY...
|
||
|
|
*/
|
||
|
|
if (is_usbotg_phy_active())
|
||
|
|
return BOOT_DEVICE_BOARD;
|
||
|
|
|
||
|
|
/* BOOT_CFG1[7:4] - see IMX6DQRM Table 8-8 */
|
||
|
|
switch ((reg & IMX6_BMODE_MASK) >> IMX6_BMODE_SHIFT) {
|
||
|
|
/* EIM: See 8.5.1, Table 8-9 */
|
||
|
|
case IMX6_BMODE_EMI:
|
||
|
|
/* BOOT_CFG1[3]: NOR/OneNAND Selection */
|
||
|
|
switch ((reg & IMX6_BMODE_EMI_MASK) >> IMX6_BMODE_EMI_SHIFT) {
|
||
|
|
case IMX6_BMODE_ONENAND:
|
||
|
|
return BOOT_DEVICE_ONENAND;
|
||
|
|
case IMX6_BMODE_NOR:
|
||
|
|
return BOOT_DEVICE_NOR;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
/* Reserved: Used to force Serial Downloader */
|
||
|
|
case IMX6_BMODE_RESERVED:
|
||
|
|
return BOOT_DEVICE_BOARD;
|
||
|
|
/* SATA: See 8.5.4, Table 8-20 */
|
||
|
|
#if !defined(CONFIG_MX6UL) && !defined(CONFIG_MX6ULL)
|
||
|
|
case IMX6_BMODE_SATA:
|
||
|
|
return BOOT_DEVICE_SATA;
|
||
|
|
#endif
|
||
|
|
/* Serial ROM: See 8.5.5.1, Table 8-22 */
|
||
|
|
case IMX6_BMODE_SERIAL_ROM:
|
||
|
|
/* BOOT_CFG4[2:0] */
|
||
|
|
switch ((reg & IMX6_BMODE_SERIAL_ROM_MASK) >>
|
||
|
|
IMX6_BMODE_SERIAL_ROM_SHIFT) {
|
||
|
|
case IMX6_BMODE_ECSPI1:
|
||
|
|
case IMX6_BMODE_ECSPI2:
|
||
|
|
case IMX6_BMODE_ECSPI3:
|
||
|
|
case IMX6_BMODE_ECSPI4:
|
||
|
|
case IMX6_BMODE_ECSPI5:
|
||
|
|
return BOOT_DEVICE_SPI;
|
||
|
|
case IMX6_BMODE_I2C1:
|
||
|
|
case IMX6_BMODE_I2C2:
|
||
|
|
case IMX6_BMODE_I2C3:
|
||
|
|
return BOOT_DEVICE_I2C;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
/* SD/eSD: 8.5.3, Table 8-15 */
|
||
|
|
case IMX6_BMODE_SD:
|
||
|
|
case IMX6_BMODE_ESD:
|
||
|
|
return BOOT_DEVICE_MMC1;
|
||
|
|
/* MMC/eMMC: 8.5.3 */
|
||
|
|
case IMX6_BMODE_MMC:
|
||
|
|
case IMX6_BMODE_EMMC:
|
||
|
|
return BOOT_DEVICE_MMC1;
|
||
|
|
/* NAND Flash: 8.5.2, Table 8-10 */
|
||
|
|
case IMX6_BMODE_NAND_MIN ... IMX6_BMODE_NAND_MAX:
|
||
|
|
return BOOT_DEVICE_NAND;
|
||
|
|
#if defined(CONFIG_MX6UL) || defined(CONFIG_MX6ULL)
|
||
|
|
/* QSPI boot */
|
||
|
|
case IMX6_BMODE_QSPI:
|
||
|
|
return BOOT_DEVICE_SPI;
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
return BOOT_DEVICE_NONE;
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(CONFIG_MX7) || defined(CONFIG_IMX8M) || defined(CONFIG_IMX8)
|
||
|
|
/* Translate iMX7/i.MX8M boot device to the SPL boot device enumeration */
|
||
|
|
u32 spl_boot_device(void)
|
||
|
|
{
|
||
|
|
#if defined(CONFIG_MX7)
|
||
|
|
unsigned int bmode = readl(&src_base->sbmr2);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Check for BMODE if serial downloader is enabled
|
||
|
|
* BOOT_MODE - see IMX7DRM Table 6-24
|
||
|
|
*/
|
||
|
|
if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */
|
||
|
|
return BOOT_DEVICE_BOARD;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* The above method does not detect that the boot ROM used
|
||
|
|
* serial downloader in case the boot ROM decided to use the
|
||
|
|
* serial downloader as a fall back (primary boot source failed).
|
||
|
|
*
|
||
|
|
* Infer that the boot ROM used the USB serial downloader by
|
||
|
|
* checking whether the USB PHY is currently active... This
|
||
|
|
* assumes that SPL did not (yet) initialize the USB PHY...
|
||
|
|
*/
|
||
|
|
if (is_boot_from_usb())
|
||
|
|
return BOOT_DEVICE_BOARD;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
enum boot_device boot_device_spl = get_boot_device();
|
||
|
|
|
||
|
|
if (IS_ENABLED(CONFIG_IMX8MM) || IS_ENABLED(CONFIG_IMX8MN))
|
||
|
|
return spl_board_boot_device(boot_device_spl);
|
||
|
|
|
||
|
|
switch (boot_device_spl) {
|
||
|
|
#if defined(CONFIG_MX7)
|
||
|
|
case SD1_BOOT:
|
||
|
|
case MMC1_BOOT:
|
||
|
|
case SD2_BOOT:
|
||
|
|
case MMC2_BOOT:
|
||
|
|
case SD3_BOOT:
|
||
|
|
case MMC3_BOOT:
|
||
|
|
return BOOT_DEVICE_MMC1;
|
||
|
|
#elif defined(CONFIG_IMX8)
|
||
|
|
case MMC1_BOOT:
|
||
|
|
return BOOT_DEVICE_MMC1;
|
||
|
|
case SD2_BOOT:
|
||
|
|
return BOOT_DEVICE_MMC2_2;
|
||
|
|
case SD3_BOOT:
|
||
|
|
return BOOT_DEVICE_MMC1;
|
||
|
|
case FLEXSPI_BOOT:
|
||
|
|
return BOOT_DEVICE_SPI;
|
||
|
|
#elif defined(CONFIG_IMX8M)
|
||
|
|
case SD1_BOOT:
|
||
|
|
case MMC1_BOOT:
|
||
|
|
return BOOT_DEVICE_MMC1;
|
||
|
|
case SD2_BOOT:
|
||
|
|
case MMC2_BOOT:
|
||
|
|
return BOOT_DEVICE_MMC2;
|
||
|
|
#endif
|
||
|
|
case NAND_BOOT:
|
||
|
|
return BOOT_DEVICE_NAND;
|
||
|
|
case SPI_NOR_BOOT:
|
||
|
|
return BOOT_DEVICE_SPI;
|
||
|
|
case USB_BOOT:
|
||
|
|
return BOOT_DEVICE_USB;
|
||
|
|
default:
|
||
|
|
return BOOT_DEVICE_NONE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endif /* CONFIG_MX7 || CONFIG_IMX8M || CONFIG_IMX8 */
|
||
|
|
|
||
|
|
#ifdef CONFIG_SPL_USB_GADGET
|
||
|
|
int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
|
||
|
|
{
|
||
|
|
put_unaligned(CONFIG_USB_GADGET_PRODUCT_NUM + 0xfff, &dev->idProduct);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if defined(CONFIG_SPL_MMC_SUPPORT)
|
||
|
|
/* called from spl_mmc to see type of boot mode for storage (RAW or FAT) */
|
||
|
|
u32 spl_boot_mode(const u32 boot_device)
|
||
|
|
{
|
||
|
|
#if defined(CONFIG_MX7) || defined(CONFIG_IMX8M) || defined(CONFIG_IMX8)
|
||
|
|
switch (get_boot_device()) {
|
||
|
|
/* for MMC return either RAW or FAT mode */
|
||
|
|
case SD1_BOOT:
|
||
|
|
case SD2_BOOT:
|
||
|
|
case SD3_BOOT:
|
||
|
|
#if defined(CONFIG_SPL_FAT_SUPPORT)
|
||
|
|
return MMCSD_MODE_FS;
|
||
|
|
#else
|
||
|
|
return MMCSD_MODE_RAW;
|
||
|
|
#endif
|
||
|
|
break;
|
||
|
|
case MMC1_BOOT:
|
||
|
|
case MMC2_BOOT:
|
||
|
|
case MMC3_BOOT:
|
||
|
|
#if defined(CONFIG_SPL_FAT_SUPPORT)
|
||
|
|
return MMCSD_MODE_FS;
|
||
|
|
#elif defined(CONFIG_SUPPORT_EMMC_BOOT)
|
||
|
|
return MMCSD_MODE_EMMCBOOT;
|
||
|
|
#else
|
||
|
|
return MMCSD_MODE_RAW;
|
||
|
|
#endif
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
puts("spl: ERROR: unsupported device\n");
|
||
|
|
hang();
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
/*
|
||
|
|
* When CONFIG_SPL_FORCE_MMC_BOOT is defined the 'boot_device' is used
|
||
|
|
* unconditionally to decide about device to use for booting.
|
||
|
|
* This is crucial for falcon boot mode, when board boots up (i.e. ROM
|
||
|
|
* loads SPL) from slow SPI-NOR memory and afterwards the SPL's 'falcon' boot
|
||
|
|
* mode is used to load Linux OS from eMMC partition.
|
||
|
|
*/
|
||
|
|
#ifdef CONFIG_SPL_FORCE_MMC_BOOT
|
||
|
|
switch (boot_device) {
|
||
|
|
#else
|
||
|
|
switch (spl_boot_device()) {
|
||
|
|
#endif
|
||
|
|
/* for MMC return either RAW or FAT mode */
|
||
|
|
case BOOT_DEVICE_MMC1:
|
||
|
|
case BOOT_DEVICE_MMC2:
|
||
|
|
case BOOT_DEVICE_MMC2_2:
|
||
|
|
#if defined(CONFIG_SPL_FS_FAT)
|
||
|
|
return MMCSD_MODE_FS;
|
||
|
|
#elif defined(CONFIG_SUPPORT_EMMC_BOOT)
|
||
|
|
return MMCSD_MODE_EMMCBOOT;
|
||
|
|
#else
|
||
|
|
return MMCSD_MODE_RAW;
|
||
|
|
#endif
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
puts("spl: ERROR: unsupported device\n");
|
||
|
|
hang();
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if defined(CONFIG_IMX_HAB)
|
||
|
|
|
||
|
|
/*
|
||
|
|
* +------------+ 0x0 (DDR_UIMAGE_START) -
|
||
|
|
* | Header | |
|
||
|
|
* +------------+ 0x40 |
|
||
|
|
* | | |
|
||
|
|
* | | |
|
||
|
|
* | | |
|
||
|
|
* | | |
|
||
|
|
* | Image Data | |
|
||
|
|
* . | |
|
||
|
|
* . | > Stuff to be authenticated ----+
|
||
|
|
* . | | |
|
||
|
|
* | | | |
|
||
|
|
* | | | |
|
||
|
|
* +------------+ | |
|
||
|
|
* | | | |
|
||
|
|
* | Fill Data | | |
|
||
|
|
* | | | |
|
||
|
|
* +------------+ Align to ALIGN_SIZE | |
|
||
|
|
* | IVT | | |
|
||
|
|
* +------------+ + IVT_SIZE - |
|
||
|
|
* | | |
|
||
|
|
* | CSF DATA | <---------------------------------------------------------+
|
||
|
|
* | |
|
||
|
|
* +------------+
|
||
|
|
* | |
|
||
|
|
* | Fill Data |
|
||
|
|
* | |
|
||
|
|
* +------------+ + CSF_PAD_SIZE
|
||
|
|
*/
|
||
|
|
|
||
|
|
__weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
|
||
|
|
{
|
||
|
|
typedef void __noreturn (*image_entry_noargs_t)(void);
|
||
|
|
uint32_t offset;
|
||
|
|
|
||
|
|
image_entry_noargs_t image_entry =
|
||
|
|
(image_entry_noargs_t)(unsigned long)spl_image->entry_point;
|
||
|
|
|
||
|
|
debug("image entry point: 0x%lX\n", spl_image->entry_point);
|
||
|
|
|
||
|
|
if (spl_image->flags & SPL_FIT_FOUND) {
|
||
|
|
image_entry();
|
||
|
|
} else {
|
||
|
|
/*
|
||
|
|
* HAB looks for the CSF at the end of the authenticated
|
||
|
|
* data therefore, we need to subtract the size of the
|
||
|
|
* CSF from the actual filesize
|
||
|
|
*/
|
||
|
|
offset = spl_image->size - CONFIG_CSF_SIZE;
|
||
|
|
if (!imx_hab_authenticate_image(spl_image->load_addr,
|
||
|
|
offset + IVT_SIZE +
|
||
|
|
CSF_PAD_SIZE, offset)) {
|
||
|
|
image_entry();
|
||
|
|
} else {
|
||
|
|
puts("spl: ERROR: image authentication fail\n");
|
||
|
|
hang();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#if !defined(CONFIG_SPL_FIT_SIGNATURE)
|
||
|
|
ulong board_spl_fit_size_align(ulong size)
|
||
|
|
{
|
||
|
|
/*
|
||
|
|
* HAB authenticate_image requests the IVT offset is
|
||
|
|
* aligned to 0x1000
|
||
|
|
*/
|
||
|
|
|
||
|
|
size = ALIGN(size, 0x1000);
|
||
|
|
size += CONFIG_CSF_SIZE;
|
||
|
|
|
||
|
|
return size;
|
||
|
|
}
|
||
|
|
|
||
|
|
void board_spl_fit_post_load(ulong load_addr, size_t length)
|
||
|
|
{
|
||
|
|
u32 offset = length - CONFIG_CSF_SIZE;
|
||
|
|
|
||
|
|
if (imx_hab_authenticate_image(load_addr,
|
||
|
|
offset + IVT_SIZE + CSF_PAD_SIZE,
|
||
|
|
offset)) {
|
||
|
|
puts("spl: ERROR: image authentication unsuccessful\n");
|
||
|
|
hang();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if defined(CONFIG_MX6) && defined(CONFIG_SPL_OS_BOOT)
|
||
|
|
int dram_init_banksize(void)
|
||
|
|
{
|
||
|
|
gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
|
||
|
|
gd->bd->bi_dram[0].size = imx_ddr_size();
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|