[U-Boot] [PATCHv3 07/17] arm: socfpga: spl: add sdram init and calibration

dinguyen at opensource.altera.com
2015-03-30T22:01:08Z

From: Dinh Nguyen <dinguyen@opensource.altera.com>

Add a call to checkboard along with sdram intilialization and calibration.

Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
---
v3: Use debug instead of puts and add a newline for visual separation
v2: Add a fail message
---
arch/arm/cpu/armv7/socfpga/spl.c | 13 +++++++++++++
1 file changed, 13 insertions(+)

diff --git a/arch/arm/cpu/armv7/socfpga/spl.c b/arch/arm/cpu/armv7/socfpga/spl.c
index 787ad7f..128fe7c 100644
--- a/arch/arm/cpu/armv7/socfpga/spl.c
+++ b/arch/arm/cpu/armv7/socfpga/spl.c
@@ -15,6 +15,7 @@
#include <asm/arch/freeze_controller.h>
#include <asm/arch/clock_manager.h>
#include <asm/arch/scan_manager.h>
+#include <asm/arch/sdram.h>

DECLARE_GLOBAL_DATA_PTR;

@@ -174,4 +175,16 @@ void spl_board_init(void)

/* enable console uart printing */
preloader_console_init();
+
+ if (sdram_mmr_init_full(0xffffffff) != 0) {
+ puts("SDRAM init failed\n");
+ hang();
+ }
+
+ debug("SDRAM: Calibrating PHY\n");
+ /* SDRAM calibration */
+ if (sdram_calibration_full() == 0) {
+ puts("SDRAM calibration failed!\n");
+ hang();
+ }
}
--
2.2.1