diff options
Diffstat (limited to 'arch/arm/mach-k3/j721e_init.c')
| -rw-r--r-- | arch/arm/mach-k3/j721e_init.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/arch/arm/mach-k3/j721e_init.c b/arch/arm/mach-k3/j721e_init.c index 14b4881..80e88dd 100644 --- a/arch/arm/mach-k3/j721e_init.c +++ b/arch/arm/mach-k3/j721e_init.c @@ -10,6 +10,7 @@ #include <spl.h> #include <asm/io.h> #include <asm/armv7_mpu.h> +#include <asm/arch/hardware.h> #include "common.h" #ifdef CONFIG_SPL_BUILD @@ -31,4 +32,56 @@ void board_init_f(ulong dummy) /* Prepare console output */ preloader_console_init(); } + +u32 spl_boot_mode(const u32 boot_device) +{ + switch (boot_device) { + case BOOT_DEVICE_MMC1: + return MMCSD_MODE_EMMCBOOT; + case BOOT_DEVICE_MMC2: + return MMCSD_MODE_FS; + default: + return MMCSD_MODE_RAW; + } +} + +static u32 __get_primary_bootmedia(u32 main_devstat, u32 wkup_devstat) +{ + + u32 bootmode = (wkup_devstat & WKUP_DEVSTAT_PRIMARY_BOOTMODE_MASK) >> + WKUP_DEVSTAT_PRIMARY_BOOTMODE_SHIFT; + + bootmode |= (main_devstat & MAIN_DEVSTAT_BOOT_MODE_B_MASK) << + BOOT_MODE_B_SHIFT; + + if (bootmode == BOOT_DEVICE_OSPI || bootmode == BOOT_DEVICE_QSPI) + bootmode = BOOT_DEVICE_SPI; + + if (bootmode == BOOT_DEVICE_MMC2) { + u32 port = (main_devstat & + MAIN_DEVSTAT_PRIM_BOOTMODE_MMC_PORT_MASK) >> + MAIN_DEVSTAT_PRIM_BOOTMODE_PORT_SHIFT; + if (port == 0x0) + bootmode = BOOT_DEVICE_MMC1; + } + + return bootmode; +} + +u32 spl_boot_device(void) +{ + u32 wkup_devstat = readl(CTRLMMR_WKUP_DEVSTAT); + u32 main_devstat; + + if (wkup_devstat & WKUP_DEVSTAT_MCU_OMLY_MASK) { + printf("ERROR: MCU only boot is not yet supported\n"); + return BOOT_DEVICE_RAM; + } + + /* MAIN CTRL MMR can only be read if MCU ONLY is 0 */ + main_devstat = readl(CTRLMMR_MAIN_DEVSTAT); + + /* ToDo: Add support for backup boot media */ + return __get_primary_bootmedia(main_devstat, wkup_devstat); +} #endif |