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Diffstat (limited to 'arch/arm/mach-k3/j721e_init.c')
-rw-r--r--arch/arm/mach-k3/j721e_init.c53
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 14b4881527..80e88dd185 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