ARM: introduce arch_early_init_r()

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@freescale.com>

diff --git a/arch/arm/include/asm/u-boot-arm.h b/arch/arm/include/asm/u-boot-arm.h
index 4ca75f9f93d4b13b6a3c1437448ca459e51019b5..9f3cae5ece49dda74466f840a1792f4930b978b2 100644 (file)
--- 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 024646cae5a7e8f8d459c620fe595e19e7484a4d..f21591dc6ab64ef8dc38d1b5aaeb130d7de34518 100644 (file)
--- 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: ");