mirror of
https://github.com/smaeul/u-boot.git
synced 2025-09-15 14:36:03 +01:00
5c54452042
Introduce get_boot_device() to obtain the booting device. Make it also available for non SPL builds so u-boot can also know the device it is booting from. Signed-off-by: Garrett Giordano <ggiordano@phytec.com> Reviewed-by: Bryan Brattlof <bb@ti.com> Reviewed-by: Andrew Davis <afd@ti.com>
107 lines
2.5 KiB
C
107 lines
2.5 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
#include <asm/io.h>
|
|
#include <asm/arch/hardware.h>
|
|
#include <asm/arch/am62a_spl.h>
|
|
|
|
static u32 __get_backup_bootmedia(u32 devstat)
|
|
{
|
|
u32 bkup_bootmode = (devstat & MAIN_DEVSTAT_BACKUP_BOOTMODE_MASK) >>
|
|
MAIN_DEVSTAT_BACKUP_BOOTMODE_SHIFT;
|
|
u32 bkup_bootmode_cfg =
|
|
(devstat & MAIN_DEVSTAT_BACKUP_BOOTMODE_CFG_MASK) >>
|
|
MAIN_DEVSTAT_BACKUP_BOOTMODE_CFG_SHIFT;
|
|
|
|
switch (bkup_bootmode) {
|
|
case BACKUP_BOOT_DEVICE_UART:
|
|
return BOOT_DEVICE_UART;
|
|
|
|
case BACKUP_BOOT_DEVICE_USB:
|
|
return BOOT_DEVICE_USB;
|
|
|
|
case BACKUP_BOOT_DEVICE_ETHERNET:
|
|
return BOOT_DEVICE_ETHERNET;
|
|
|
|
case BACKUP_BOOT_DEVICE_MMC:
|
|
if (bkup_bootmode_cfg)
|
|
return BOOT_DEVICE_MMC2;
|
|
return BOOT_DEVICE_MMC1;
|
|
|
|
case BACKUP_BOOT_DEVICE_SPI:
|
|
return BOOT_DEVICE_SPI;
|
|
|
|
case BACKUP_BOOT_DEVICE_I2C:
|
|
return BOOT_DEVICE_I2C;
|
|
|
|
case BACKUP_BOOT_DEVICE_DFU:
|
|
if (bkup_bootmode_cfg & MAIN_DEVSTAT_BACKUP_USB_MODE_MASK)
|
|
return BOOT_DEVICE_USB;
|
|
return BOOT_DEVICE_DFU;
|
|
};
|
|
|
|
return BOOT_DEVICE_RAM;
|
|
}
|
|
|
|
static u32 __get_primary_bootmedia(u32 devstat)
|
|
{
|
|
u32 bootmode = (devstat & MAIN_DEVSTAT_PRIMARY_BOOTMODE_MASK) >>
|
|
MAIN_DEVSTAT_PRIMARY_BOOTMODE_SHIFT;
|
|
u32 bootmode_cfg = (devstat & MAIN_DEVSTAT_PRIMARY_BOOTMODE_CFG_MASK) >>
|
|
MAIN_DEVSTAT_PRIMARY_BOOTMODE_CFG_SHIFT;
|
|
|
|
switch (bootmode) {
|
|
case BOOT_DEVICE_OSPI:
|
|
fallthrough;
|
|
case BOOT_DEVICE_QSPI:
|
|
fallthrough;
|
|
case BOOT_DEVICE_XSPI:
|
|
fallthrough;
|
|
case BOOT_DEVICE_SPI:
|
|
return BOOT_DEVICE_SPI;
|
|
|
|
case BOOT_DEVICE_ETHERNET_RGMII:
|
|
fallthrough;
|
|
case BOOT_DEVICE_ETHERNET_RMII:
|
|
return BOOT_DEVICE_ETHERNET;
|
|
|
|
case BOOT_DEVICE_EMMC:
|
|
return BOOT_DEVICE_MMC1;
|
|
|
|
case BOOT_DEVICE_SPI_NAND:
|
|
return BOOT_DEVICE_SPINAND;
|
|
|
|
case BOOT_DEVICE_MMC:
|
|
if ((bootmode_cfg & MAIN_DEVSTAT_PRIMARY_MMC_PORT_MASK) >>
|
|
MAIN_DEVSTAT_PRIMARY_MMC_PORT_SHIFT)
|
|
return BOOT_DEVICE_MMC2;
|
|
return BOOT_DEVICE_MMC1;
|
|
|
|
case BOOT_DEVICE_DFU:
|
|
if ((bootmode_cfg & MAIN_DEVSTAT_PRIMARY_USB_MODE_MASK) >>
|
|
MAIN_DEVSTAT_PRIMARY_USB_MODE_SHIFT)
|
|
return BOOT_DEVICE_USB;
|
|
return BOOT_DEVICE_DFU;
|
|
|
|
case BOOT_DEVICE_NOBOOT:
|
|
return BOOT_DEVICE_RAM;
|
|
}
|
|
|
|
return bootmode;
|
|
}
|
|
|
|
u32 get_boot_device(void)
|
|
{
|
|
u32 devstat = readl(CTRLMMR_MAIN_DEVSTAT);
|
|
u32 bootmode = *(u32 *)(K3_BOOT_PARAM_TABLE_INDEX_OCRAM);
|
|
u32 bootmedia;
|
|
|
|
if (bootmode == K3_PRIMARY_BOOTMODE)
|
|
bootmedia = __get_primary_bootmedia(devstat);
|
|
else
|
|
bootmedia = __get_backup_bootmedia(devstat);
|
|
|
|
debug("%s: devstat = 0x%x bootmedia = 0x%x bootmode = %d\n",
|
|
__func__, devstat, bootmedia, bootmode);
|
|
|
|
return bootmedia;
|
|
}
|