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| author | Luotao Fu <l.fu@pengutronix.de> | 2009-06-25 16:21:10 +0200 |
|---|---|---|
| committer | Luotao Fu <l.fu@pengutronix.de> | 2009-06-25 16:21:16 +0200 |
| commit | e212343c40c06695726df4a6a44cac61c0b6d4ac (patch) | |
| tree | 20ecb82c5ac51d2ed3e5cab70981f8276d2893e5 /board | |
| parent | d5ec92129e1c67ac86e92c22d54bb090fb00d616 (diff) | |
| download | barebox-e212343c40c06695726df4a6a44cac61c0b6d4ac.tar.gz barebox-e212343c40c06695726df4a6a44cac61c0b6d4ac.tar.xz | |
pca100: deactive usb phy cs
this one pull up the gpio controlled cs lines of both usb phys to avoid phy
crash caused by dirty data sent by usb controller during initialisation
Signed-off-by: Luotao Fu <l.fu@pengutronix.de>
Diffstat (limited to 'board')
| -rw-r--r-- | board/phycard-i.MX27/pca100.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/board/phycard-i.MX27/pca100.c b/board/phycard-i.MX27/pca100.c index eec6dd761f..0468c3a0cb 100644 --- a/board/phycard-i.MX27/pca100.c +++ b/board/phycard-i.MX27/pca100.c @@ -36,6 +36,7 @@ #include <asm/io.h> #include <asm/arch/imx-nand.h> #include <asm/arch/imx-pll.h> +#include <gpio.h> static struct device_d sdram_dev = { .name = "ram", @@ -112,6 +113,12 @@ static int pca100_devices_init(void) for (i = 0; i < ARRAY_SIZE(mode); i++) imx_gpio_mode(mode[i]); + /* disable the usb phys */ + imx_gpio_mode((GPIO_PORTB | 23) | GPIO_GPIO | GPIO_IN); + imx_gpio_direction_output(GPIO_PORTB + 23, 1); + imx_gpio_mode((GPIO_PORTB | 24) | GPIO_GPIO | GPIO_IN); + imx_gpio_direction_output(GPIO_PORTB + 24, 1); + register_device(&nand_dev); register_device(&sdram_dev); register_device(&fec_dev); |