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ARM: tegra: Initialize timer earlier

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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@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
This commit is contained in:
Thierry Reding 2015-07-28 11:35:53 +02:00 committed by Tom Warren
parent 6527268d6e
commit aa4418770e
2 changed files with 6 additions and 6 deletions
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6
arch/arm/mach-tegra/board2.c
View file

@ -196,6 +196,12 @@ 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();

6
arch/arm/mach-tegra/clock.c
View file

@ -608,12 +608,6 @@ 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)