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Diffstat (limited to 'arch/x86/cpu/x86_64/cpu.c')
-rw-r--r--arch/x86/cpu/x86_64/cpu.c28
1 files changed, 8 insertions, 20 deletions
diff --git a/arch/x86/cpu/x86_64/cpu.c b/arch/x86/cpu/x86_64/cpu.c
index 18b3e94e12..6c063e8200 100644
--- a/arch/x86/cpu/x86_64/cpu.c
+++ b/arch/x86/cpu/x86_64/cpu.c
@@ -7,30 +7,18 @@
#include <common.h>
#include <debug_uart.h>
-/* Global declaration of gd */
-struct global_data *global_data_ptr;
+/*
+ * Global declaration of gd.
+ *
+ * As we write to it before relocation we have to make sure it is not put into
+ * a .bss section which may overlap a .rela section. Initialization forces it
+ * into a .data section which cannot overlap any .rela section.
+ */
+struct global_data *global_data_ptr = (struct global_data *)~0;
void arch_setup_gd(gd_t *new_gd)
{
global_data_ptr = new_gd;
-
- /*
- * TODO(sjg@chromium.org): For some reason U-Boot does not boot
- * without this line. It fails to start up U-Boot proper and instead
- * restarts SPL. Need to figure out why:
- *
- * U-Boot SPL 2017.01
- *
- * U-Boot SPL 2017.01
- * CPU: Intel(R) Core(TM) i5-3427U CPU @ 1.80GHz
- * Trying to boot from SPIJumping to 64-bit U-Boot: Note many
- * features are missing
- *
- * U-Boot SPL 2017.01
- */
-#ifdef CONFIG_DEBUG_UART
- printch(' ');
-#endif
}
int cpu_has_64bit(void)