From patchwork Tue Jun 5 06:02:27 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [U-Boot,v3,4/7] tegra: Allow boards to perform early GPIO setup Date: Mon, 04 Jun 2012 20:02:27 -0000 From: Thierry Reding X-Patchwork-Id: 163018 Message-Id: <1338876150-8170-4-git-send-email-thierry.reding@avionic-design.de> To: u-boot@lists.denx.de Cc: Tom Warren 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 Acked-by: Stephen Warren --- Changes in v3: - none Changes in v2: - new patch required for TEC support board/nvidia/common/board.c | 7 +++++++ board/nvidia/common/board.h | 1 + 2 files changed, 8 insertions(+) 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 @@ 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 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); /*