tegra: Allow boards to perform early GPIO setup
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>
diff --git a/board/nvidia/common/board.c b/board/nvidia/common/board.c
index 2e22133..a159deb 100644
--- a/board/nvidia/common/board.c
+++ b/board/nvidia/common/board.c
@@ -132,11 +132,18 @@
}
#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
diff --git a/board/nvidia/common/board.h b/board/nvidia/common/board.h
index 09fb158..dada4c4 100644
--- a/board/nvidia/common/board.h
+++ b/board/nvidia/common/board.h
@@ -25,6 +25,7 @@
#define _BOARD_H_
void gpio_config_uart(void);
+void gpio_early_init(void);
void gpio_early_init_uart(void);
/*