4 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/include/asm/u-boot-arm.h b/arch/arm/include/asm/u-boot-arm.h
index 414042d..305a302 100644
--- a/arch/arm/include/asm/u-boot-arm.h
+++ b/arch/arm/include/asm/u-boot-arm.h
@@ -37,6 +37,7 @@ int	arch_early_init_r(void);
 /* board/.../... */
 int	board_init(void);
 void	dram_init_banksize (void);
+void	board_quiesce_devices(void);
 
 /* cpu/.../interrupt.c */
 int	arch_interrupt_init	(void);
diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c
index 53c3141..dedcd1e 100644
--- a/arch/arm/lib/bootm.c
+++ b/arch/arm/lib/bootm.c
@@ -64,6 +64,10 @@ void arch_lmb_reserve(struct lmb *lmb)
 		    gd->bd->bi_dram[0].start + gd->bd->bi_dram[0].size - sp);
 }
 
+__weak void board_quiesce_devices(void)
+{
+}
+
 /**
  * announce_and_cleanup() - Print message and prepare for kernel boot
  *
@@ -84,6 +88,9 @@ static void announce_and_cleanup(int fake)
 #ifdef CONFIG_USB_DEVICE
 	udc_disconnect();
 #endif
+
+	board_quiesce_devices();
+
 	cleanup_before_linux();
 }
 
diff --git a/arch/x86/include/asm/u-boot-x86.h b/arch/x86/include/asm/u-boot-x86.h
index 031740b..4f901f9 100644
--- a/arch/x86/include/asm/u-boot-x86.h
+++ b/arch/x86/include/asm/u-boot-x86.h
@@ -74,6 +74,7 @@ static inline __attribute__((no_instrument_function)) uint64_t rdtsc(void)
 /* board/... */
 void timer_set_tsc_base(uint64_t new_base);
 uint64_t timer_get_tsc(void);
+void board_quiesce_devices(void);
 
 void quick_ram_check(void);
 
diff --git a/arch/x86/lib/bootm.c b/arch/x86/lib/bootm.c
index 7cf9de4..80fadef 100644
--- a/arch/x86/lib/bootm.c
+++ b/arch/x86/lib/bootm.c
@@ -26,6 +26,10 @@ DECLARE_GLOBAL_DATA_PTR;
 
 #define COMMAND_LINE_OFFSET 0x9000
 
+__weak void board_quiesce_devices(void)
+{
+}
+
 void bootm_announce_and_cleanup(void)
 {
 	printf("\nStarting kernel ...\n\n");