[U-Boot] [PATCH 1/2] ARM: tegra: Initialize timer earlier

[Thierry Reding]

From: Thierry Reding <treding at nvidia.com>

A subsequent patch will enable the use of the architected timer on
ARMv8. Doing so implies that udelay() will be backed by this timer
implementation, and hence the architected timer must be ready when
udelay() is first called. The first time udelay() is used is while
resetting the debug UART, which happens very early. Make sure that
arch_timer_init() is called before that.

Signed-off-by: Thierry Reding <treding at nvidia.com>
---
 arch/arm/mach-tegra/board2.c | 6 ++++++
 arch/arm/mach-tegra/clock.c  | 6 ------
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/arm/mach-tegra/board2.c b/arch/arm/mach-tegra/board2.c
index 82a8a3c08959..f76fcbec5a7d 100644
--- a/arch/arm/mach-tegra/board2.c
+++ b/arch/arm/mach-tegra/board2.c
@@ -218,6 +218,12 @@ void gpio_early_init(void) __attribute__((weak, alias("__gpio_early_init")));
 
 int board_early_init_f(void)
 {
+	/* Do any special system timer/TSC setup */
+#if defined(CONFIG_TEGRA_SUPPORT_NON_SECURE)
+	if (!tegra_cpu_is_non_secure())
+#endif
+		arch_timer_init();
+
 	pinmux_init();
 	board_init_uart_f();
 
diff --git a/arch/arm/mach-tegra/clock.c b/arch/arm/mach-tegra/clock.c
index 0e0f7431b2fb..551ce88960e3 100644
--- a/arch/arm/mach-tegra/clock.c
+++ b/arch/arm/mach-tegra/clock.c
@@ -618,12 +618,6 @@ void clock_init(void)
 	debug("PLLC = %d\n", pll_rate[CLOCK_ID_CGENERAL]);
 	debug("PLLD = %d\n", pll_rate[CLOCK_ID_DISPLAY]);
 	debug("PLLX = %d\n", pll_rate[CLOCK_ID_XCPU]);
-
-	/* Do any special system timer/TSC setup */
-#if defined(CONFIG_TEGRA_SUPPORT_NON_SECURE)
-	if (!tegra_cpu_is_non_secure())
-#endif
-		arch_timer_init();
 }
 
 static void set_avp_clock_source(u32 src)
-- 
2.4.5