#include <image.h>
#include <linux/compiler.h>
+#ifndef CONFIG_SPL_DM
/* Pointer to as well as the global data structure for SPL */
DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * WARNING: This is going away very soon. Don't use it and don't submit
+ * pafches that rely on it. The global_data area is set up in crt0.S.
+ */
gd_t gdata __attribute__ ((section(".data")));
+#endif
/*
- * In the context of SPL, board_init_f must ensure that any clocks/etc for
- * DDR are enabled, ensure that the stack pointer is valid, clear the BSS
- * and call board_init_f. We provide this version by default but mark it
- * as __weak to allow for platforms to do this in their own way if needed.
+ * In the context of SPL, board_init_f() prepares the hardware for execution
+ * from system RAM (DRAM, DDR...). As system RAM may not be available yet,
+ * board_init_f() must use the current GD to store any data which must be
+ * passed on to later stages. These data include the relocation destination,
+ * the future stack, and the future GD location. BSS is cleared after this
+ * function (and therefore must be accessible).
+ *
+ * We provide this version by default but mark it as __weak to allow for
+ * platforms to do this in their own way if needed. Please see the top
+ * level U-Boot README "Board Initialization Flow" section for info on what
+ * to put in this function.
*/
void __weak board_init_f(ulong dummy)
{
- /* Clear the BSS. */
- memset(__bss_start, 0, __bss_end - __bss_start);
-
- board_init_r(NULL, 0);
}
/*
* arg: Pointer to paramter image in RAM
*/
#ifdef CONFIG_SPL_OS_BOOT
-void __noreturn jump_to_image_linux(void *arg)
+void __noreturn jump_to_image_linux(struct spl_image_info *spl_image, void *arg)
{
unsigned long machid = 0xffffffff;
#ifdef CONFIG_MACH_TYPE
typedef void (*image_entry_arg_t)(int, int, void *)
__attribute__ ((noreturn));
image_entry_arg_t image_entry =
- (image_entry_arg_t) spl_image.entry_point;
+ (image_entry_arg_t)(uintptr_t) spl_image->entry_point;
cleanup_before_linux();
image_entry(0, machid, arg);
}