238 lines
6.0 KiB
C
238 lines
6.0 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* boot-common.c
|
|
*
|
|
* Common bootmode functions for omap based boards
|
|
*
|
|
* Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <ahci.h>
|
|
#include <spl.h>
|
|
#include <asm/omap_common.h>
|
|
#include <asm/arch/omap.h>
|
|
#include <asm/arch/mmc_host_def.h>
|
|
#include <asm/arch/sys_proto.h>
|
|
#include <watchdog.h>
|
|
#include <scsi.h>
|
|
#include <i2c.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
__weak u32 omap_sys_boot_device(void)
|
|
{
|
|
return BOOT_DEVICE_NONE;
|
|
}
|
|
|
|
void save_omap_boot_params(void)
|
|
{
|
|
u32 boot_params = *((u32 *)OMAP_SRAM_SCRATCH_BOOT_PARAMS);
|
|
struct omap_boot_parameters *omap_boot_params;
|
|
int sys_boot_device = 0;
|
|
u32 boot_device;
|
|
u32 boot_mode;
|
|
|
|
if ((boot_params < NON_SECURE_SRAM_START) ||
|
|
(boot_params > NON_SECURE_SRAM_END))
|
|
return;
|
|
|
|
omap_boot_params = (struct omap_boot_parameters *)boot_params;
|
|
|
|
boot_device = omap_boot_params->boot_device;
|
|
boot_mode = MMCSD_MODE_UNDEFINED;
|
|
|
|
/* Boot device */
|
|
|
|
#ifdef BOOT_DEVICE_NAND_I2C
|
|
/*
|
|
* Re-map NAND&I2C boot-device to the "normal" NAND boot-device.
|
|
* Otherwise the SPL boot IF can't handle this device correctly.
|
|
* Somehow booting with Hynix 4GBit NAND H27U4G8 on Siemens
|
|
* Draco leads to this boot-device passed to SPL from the BootROM.
|
|
*/
|
|
if (boot_device == BOOT_DEVICE_NAND_I2C)
|
|
boot_device = BOOT_DEVICE_NAND;
|
|
#endif
|
|
#ifdef BOOT_DEVICE_QSPI_4
|
|
/*
|
|
* We get different values for QSPI_1 and QSPI_4 being used, but
|
|
* don't actually care about this difference. Rather than
|
|
* mangle the later code, if we're coming in as QSPI_4 just
|
|
* change to the QSPI_1 value.
|
|
*/
|
|
if (boot_device == BOOT_DEVICE_QSPI_4)
|
|
boot_device = BOOT_DEVICE_SPI;
|
|
#endif
|
|
#ifdef CONFIG_TI816X
|
|
/*
|
|
* On PG2.0 and later TI816x the values we get when booting are not the
|
|
* same as on PG1.0, which is what the defines are based on. Update
|
|
* them as needed.
|
|
*/
|
|
if (get_cpu_rev() != 1) {
|
|
if (boot_device == 0x05) {
|
|
omap_boot_params->boot_device = BOOT_DEVICE_NAND;
|
|
boot_device = BOOT_DEVICE_NAND;
|
|
}
|
|
if (boot_device == 0x08) {
|
|
omap_boot_params->boot_device = BOOT_DEVICE_MMC1;
|
|
boot_device = BOOT_DEVICE_MMC1;
|
|
}
|
|
}
|
|
#endif
|
|
/*
|
|
* When booting from peripheral booting, the boot device is not usable
|
|
* as-is (unless there is support for it), so the boot device is instead
|
|
* figured out using the SYS_BOOT pins.
|
|
*/
|
|
switch (boot_device) {
|
|
#if defined(BOOT_DEVICE_UART) && !defined(CONFIG_SPL_YMODEM_SUPPORT)
|
|
case BOOT_DEVICE_UART:
|
|
sys_boot_device = 1;
|
|
break;
|
|
#endif
|
|
#if defined(BOOT_DEVICE_USB) && !defined(CONFIG_SPL_USB_STORAGE)
|
|
case BOOT_DEVICE_USB:
|
|
sys_boot_device = 1;
|
|
break;
|
|
#endif
|
|
#if defined(BOOT_DEVICE_USBETH) && !defined(CONFIG_SPL_USB_ETHER)
|
|
case BOOT_DEVICE_USBETH:
|
|
sys_boot_device = 1;
|
|
break;
|
|
#endif
|
|
#if defined(BOOT_DEVICE_CPGMAC) && !defined(CONFIG_SPL_ETH_SUPPORT)
|
|
case BOOT_DEVICE_CPGMAC:
|
|
sys_boot_device = 1;
|
|
break;
|
|
#endif
|
|
#if defined(BOOT_DEVICE_DFU) && !defined(CONFIG_SPL_DFU)
|
|
case BOOT_DEVICE_DFU:
|
|
sys_boot_device = 1;
|
|
break;
|
|
#endif
|
|
}
|
|
|
|
if (sys_boot_device) {
|
|
boot_device = omap_sys_boot_device();
|
|
|
|
/* MMC raw mode will fallback to FS mode. */
|
|
if ((boot_device >= MMC_BOOT_DEVICES_START) &&
|
|
(boot_device <= MMC_BOOT_DEVICES_END))
|
|
boot_mode = MMCSD_MODE_RAW;
|
|
}
|
|
|
|
gd->arch.omap_boot_device = boot_device;
|
|
|
|
/* Boot mode */
|
|
|
|
#ifdef CONFIG_OMAP34XX
|
|
if ((boot_device >= MMC_BOOT_DEVICES_START) &&
|
|
(boot_device <= MMC_BOOT_DEVICES_END)) {
|
|
switch (boot_device) {
|
|
case BOOT_DEVICE_MMC1:
|
|
boot_mode = MMCSD_MODE_FS;
|
|
break;
|
|
case BOOT_DEVICE_MMC2:
|
|
boot_mode = MMCSD_MODE_RAW;
|
|
break;
|
|
}
|
|
}
|
|
#else
|
|
/*
|
|
* If the boot device was dynamically changed and doesn't match what
|
|
* the bootrom initially booted, we cannot use the boot device
|
|
* descriptor to figure out the boot mode.
|
|
*/
|
|
if ((boot_device == omap_boot_params->boot_device) &&
|
|
(boot_device >= MMC_BOOT_DEVICES_START) &&
|
|
(boot_device <= MMC_BOOT_DEVICES_END)) {
|
|
boot_params = omap_boot_params->boot_device_descriptor;
|
|
if ((boot_params < NON_SECURE_SRAM_START) ||
|
|
(boot_params > NON_SECURE_SRAM_END))
|
|
return;
|
|
|
|
boot_params = *((u32 *)(boot_params + DEVICE_DATA_OFFSET));
|
|
if ((boot_params < NON_SECURE_SRAM_START) ||
|
|
(boot_params > NON_SECURE_SRAM_END))
|
|
return;
|
|
|
|
boot_mode = *((u32 *)(boot_params + BOOT_MODE_OFFSET));
|
|
|
|
if (boot_mode != MMCSD_MODE_FS &&
|
|
boot_mode != MMCSD_MODE_RAW)
|
|
#ifdef CONFIG_SUPPORT_EMMC_BOOT
|
|
boot_mode = MMCSD_MODE_EMMCBOOT;
|
|
#else
|
|
boot_mode = MMCSD_MODE_UNDEFINED;
|
|
#endif
|
|
}
|
|
#endif
|
|
|
|
gd->arch.omap_boot_mode = boot_mode;
|
|
|
|
#if !defined(CONFIG_TI814X) && !defined(CONFIG_TI816X) && \
|
|
!defined(CONFIG_AM33XX) && !defined(CONFIG_AM43XX)
|
|
|
|
/* CH flags */
|
|
|
|
gd->arch.omap_ch_flags = omap_boot_params->ch_flags;
|
|
#endif
|
|
}
|
|
|
|
#ifdef CONFIG_SPL_BUILD
|
|
u32 spl_boot_device(void)
|
|
{
|
|
return gd->arch.omap_boot_device;
|
|
}
|
|
|
|
u32 spl_boot_mode(const u32 boot_device)
|
|
{
|
|
return gd->arch.omap_boot_mode;
|
|
}
|
|
|
|
void spl_board_init(void)
|
|
{
|
|
#ifdef CONFIG_SPL_SERIAL_SUPPORT
|
|
/* Prepare console output */
|
|
preloader_console_init();
|
|
#endif
|
|
#if defined(CONFIG_SPL_NAND_SUPPORT) || defined(CONFIG_SPL_ONENAND_SUPPORT)
|
|
gpmc_init();
|
|
#endif
|
|
#if defined(CONFIG_SPL_I2C_SUPPORT) && !defined(CONFIG_DM_I2C)
|
|
i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
|
|
#endif
|
|
#if defined(CONFIG_AM33XX) && defined(CONFIG_SPL_MUSB_NEW_SUPPORT)
|
|
arch_misc_init();
|
|
#endif
|
|
#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
|
|
hw_watchdog_init();
|
|
#endif
|
|
#ifdef CONFIG_AM33XX
|
|
am33xx_spl_board_init();
|
|
#endif
|
|
}
|
|
|
|
void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
|
|
{
|
|
typedef void __noreturn (*image_entry_noargs_t)(u32 *);
|
|
image_entry_noargs_t image_entry =
|
|
(image_entry_noargs_t) spl_image->entry_point;
|
|
|
|
u32 boot_params = *((u32 *)OMAP_SRAM_SCRATCH_BOOT_PARAMS);
|
|
|
|
debug("image entry point: 0x%lX\n", spl_image->entry_point);
|
|
/* Pass the saved boot_params from rom code */
|
|
image_entry((u32 *)boot_params);
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_SCSI_AHCI_PLAT
|
|
void arch_preboot_os(void)
|
|
{
|
|
ahci_reset((void __iomem *)DWC_AHSATA_BASE);
|
|
}
|
|
#endif
|