[U-Boot] [PATCH 1/2] ARM: introduce arch_early_init_r()

[Fabio Estevam]

Introduce arch_early_init_r() function, which can be useful for doing
early initialization after relocation has happened.

Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>
---
 arch/arm/include/asm/u-boot-arm.h |    1 +
 arch/arm/lib/board.c              |    4 ++++
 2 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/arch/arm/include/asm/u-boot-arm.h b/arch/arm/include/asm/u-boot-arm.h
index 4ca75f9..9f3cae5 100644
--- a/arch/arm/include/asm/u-boot-arm.h
+++ b/arch/arm/include/asm/u-boot-arm.h
@@ -52,6 +52,7 @@ void	cpu_init_cp15(void);
 /* cpu/.../arch/cpu.c */
 int	arch_cpu_init(void);
 int	arch_misc_init(void);
+int	arch_early_init_r(void);
 
 /* board/.../... */
 int	board_init(void);
diff --git a/arch/arm/lib/board.c b/arch/arm/lib/board.c
index 5270c11..025d6ca 100644
--- a/arch/arm/lib/board.c
+++ b/arch/arm/lib/board.c
@@ -500,6 +500,10 @@ void board_init_r(gd_t *id, ulong dest_addr)
 	malloc_start = dest_addr - TOTAL_MALLOC_LEN;
 	mem_malloc_init (malloc_start, TOTAL_MALLOC_LEN);
 
+#ifdef CONFIG_ARCH_EARLY_INIT_R
+	arch_early_init_r();
+#endif
+
 #if !defined(CONFIG_SYS_NO_FLASH)
 	puts("Flash: ");
 
-- 
1.7.1