| // SPDX-License-Identifier: GPL-2.0+ |
| #include <asm/io.h> |
| #include <asm/arch/hardware.h> |
| #include <asm/arch/am62_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_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; |
| } |