diff options
| author | Juergen Beisert <jbe@pengutronix.de> | 2010-12-13 11:53:28 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2010-12-14 15:15:06 +0100 |
| commit | 814f17253c96fb4acfd7df7277bb2af7cb23dce1 (patch) | |
| tree | 533ff2c96ad94f974b03dc229f322c008f70bfa0 | |
| parent | e4f17bd3941fad3ebd687c65260d096f1f2020f8 (diff) | |
| download | barebox-814f17253c96fb4acfd7df7277bb2af7cb23dce1.tar.gz barebox-814f17253c96fb4acfd7df7277bb2af7cb23dce1.tar.xz | |
STM378x: Parameterize the max. possible GPIO number
This is for easier integration of the i.MX28 architecture (to share the code
later on).
Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | arch/arm/mach-stm/iomux-imx23.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/arm/mach-stm/iomux-imx23.c b/arch/arm/mach-stm/iomux-imx23.c index b0f4046e..5d4465e0 100644 --- a/arch/arm/mach-stm/iomux-imx23.c +++ b/arch/arm/mach-stm/iomux-imx23.c @@ -31,6 +31,8 @@ #define HW_PINCTRL_DIN0 0x600 #define HW_PINCTRL_DOE0 0x700 +#define MAX_GPIO_NO 95 + static uint32_t calc_mux_reg(uint32_t no) { /* each register controls 16 pads */ @@ -77,7 +79,7 @@ void imx_gpio_mode(unsigned m) writel(reg, IMX_IOMUXC_BASE + reg_offset); /* some pins are disabled when configured for GPIO */ - if ((gpio_pin > 95) && (GET_FUNC(m) == IS_GPIO)) { + if ((gpio_pin > MAX_GPIO_NO) && (GET_FUNC(m) == IS_GPIO)) { printf("Cannot configure pad %d to GPIO\n", gpio_pin); return; } |