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tegra: Allow boards to perform early GPIO setup

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The new gpio_early_init() function, which does nothing by default, can
be overridden by boards to configure GPIOs at an early stage.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
This commit is contained in:
Thierry Reding 2012-06-04 20:02:27 +00:00 committed by Albert ARIBAUD (U-Boot)
parent a7dafd7b1a
commit cb7a1cf36a
2 changed files with 8 additions and 0 deletions
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7
board/nvidia/common/board.c
View file

@ -132,11 +132,18 @@ int board_init(void)
}
#ifdef CONFIG_BOARD_EARLY_INIT_F
static void __gpio_early_init(void)
{
}
void gpio_early_init(void) __attribute__((weak, alias("__gpio_early_init")));
int board_early_init_f(void)
{
board_init_uart_f();
/* Initialize periph GPIOs */
gpio_early_init();
#ifdef CONFIG_SPI_UART_SWITCH
gpio_early_init_uart();
#else

1
board/nvidia/common/board.h
View file

@ -25,6 +25,7 @@
#define _BOARD_H_
void gpio_config_uart(void);
void gpio_early_init(void);
void gpio_early_init_uart(void);
/*