#include <malloc.h>
#include <dm/root.h>
#include <linux/compiler.h>
+#include <fdt_support.h>
DECLARE_GLOBAL_DATA_PTR;
return 1;
}
+/* weak default platform specific function to initialize
+ * dram banks
+ */
+__weak int dram_init_banksize(void)
+{
+ return 0;
+}
+
/*
* Weak default function for arch specific zImage check. Return zero
* and fill start and end address if image is recognized.
}
#endif
+void spl_fixup_fdt(void)
+{
+#if defined(CONFIG_SPL_OF_LIBFDT) && defined(CONFIG_SYS_SPL_ARGS_ADDR)
+ void *fdt_blob = (void *)CONFIG_SYS_SPL_ARGS_ADDR;
+ int err;
+
+ err = fdt_check_header(fdt_blob);
+ if (err < 0) {
+ printf("fdt_root: %s\n", fdt_strerror(err));
+ return;
+ }
+
+ /* fixup the memory dt node */
+ err = fdt_shrink_to_minimum(fdt_blob, 0);
+ if (err == 0) {
+ printf("spl: fdt_shrink_to_minimum err - %d\n", err);
+ return;
+ }
+
+ err = arch_fixup_fdt(fdt_blob);
+ if (err) {
+ printf("spl: arch_fixup_fdt err - %d\n", err);
+ return;
+ }
+#endif
+}
+
/*
* Weak default function for board specific cleanup/preparation before
* Linux boot. Some boards/platforms might not need it, so just provide
struct spl_image_info spl_image;
debug(">>spl:board_init_r()\n");
+ gd->bd = &bdata;
+#ifdef CONFIG_SPL_OS_BOOT
+ dram_init_banksize();
+#endif
#if defined(CONFIG_SYS_SPL_MALLOC_START)
mem_malloc_init(CONFIG_SYS_SPL_MALLOC_START,
#endif
memset(&spl_image, '\0', sizeof(spl_image));
+#ifdef CONFIG_SYS_SPL_ARGS_ADDR
+ spl_image.arg = (void *)CONFIG_SYS_SPL_ARGS_ADDR;
+#endif
board_boot_order(spl_boot_list);
if (boot_from_devices(&spl_image, spl_boot_list,
#ifdef CONFIG_SPL_OS_BOOT
case IH_OS_LINUX:
debug("Jumping to Linux\n");
+ spl_fixup_fdt();
spl_board_prepare_for_linux();
- jump_to_image_linux(&spl_image,
- (void *)CONFIG_SYS_SPL_ARGS_ADDR);
+ jump_to_image_linux(&spl_image);
#endif
default:
debug("Unsupported OS image.. Jumping nevertheless..\n");
gd->malloc_ptr / 1024);
#endif
+ if (IS_ENABLED(CONFIG_SPL_ATF_SUPPORT)) {
+ debug("loaded - jumping to U-Boot via ATF BL31.\n");
+ bl31_entry();
+ }
+
debug("loaded - jumping to U-Boot...\n");
spl_board_prepare_for_boot();
jump_to_image_no_args(&spl_image);
*/
void preloader_console_init(void)
{
- gd->bd = &bdata;
gd->baudrate = CONFIG_BAUDRATE;
serial_init(); /* serial communications setup */