diff mbox

[U-Boot] arm: mvebu: Call timer_init early before PHY and DDR init

Message ID 1436967412-6567-1-git-send-email-sr@denx.de
State Superseded
Delegated to: Stefan Roese
Headers show

Commit Message

Stefan Roese July 15, 2015, 1:36 p.m. UTC 
Without calling timer_init(), the xdelay() functions return immediately.
We need to call timer_init() early, so that these functions work and
the PHY and DDR init code works correctly.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Anton Schubert <anton.schubert@gmx.de>
Cc: Luka Perkov <luka.perkov@sartura.hr>
---
 arch/arm/mach-mvebu/spl.c   | 2 ++
 arch/arm/mach-mvebu/timer.c | 7 +++++++
 2 files changed, 9 insertions(+)

Comments

Anton Schubert July 15, 2015, 3:05 p.m. UTC | #1 
Tested-by: Anton Schubert <anton.schubert@gmx.de>

Tested on custom mv78260 board.

Anton
diff mbox

Patch

diff --git a/arch/arm/mach-mvebu/spl.c b/arch/arm/mach-mvebu/spl.c
index 2df25aa..e65f6ca 100644
--- a/arch/arm/mach-mvebu/spl.c
+++ b/arch/arm/mach-mvebu/spl.c
@@ -35,6 +35,8 @@  void board_init_f(ulong dummy)
 
 	preloader_console_init();
 
+	timer_init();
+
 	/* First init the serdes PHY's */
 	serdes_phy_config();
 
diff --git a/arch/arm/mach-mvebu/timer.c b/arch/arm/mach-mvebu/timer.c
index 40c4bc2..c516c41 100644
--- a/arch/arm/mach-mvebu/timer.c
+++ b/arch/arm/mach-mvebu/timer.c
@@ -41,6 +41,8 @@ 
 #define timestamp			gd->arch.tbl
 #define lastdec				gd->arch.lastinc
 
+static int init_done;
+
 /* Timer reload and current value registers */
 struct kwtmr_val {
 	u32 reload;	/* Timer reload reg */
@@ -112,6 +114,11 @@  void __udelay(unsigned long usec)
  */
 int timer_init(void)
 {
+	/* Only init the timer once */
+	if (init_done)
+		return 0;
+	init_done = 1;
+
 	/* load value into timer */
 	writel(TIMER_LOAD_VAL, CNTMR_RELOAD_REG(UBOOT_CNTR));
 	writel(TIMER_LOAD_VAL, CNTMR_VAL_REG(UBOOT_CNTR));