This is an attempt to get the EHCI port working on the BeagleBoard-xM, but it is not working for me. It hangs when I do 'usb start'.
Signed-off-by: Jason Kridner jkridner@beagleboard.org --- board/ti/beagle/beagle.c | 15 +++++++++++++++ drivers/misc/twl4030_led.c | 6 +++++- include/twl4030.h | 1 + 3 files changed, 21 insertions(+), 1 deletions(-)
diff --git a/board/ti/beagle/beagle.c b/board/ti/beagle/beagle.c index 69fe162..4a778b8 100644 --- a/board/ti/beagle/beagle.c +++ b/board/ti/beagle/beagle.c @@ -400,6 +400,21 @@ int ehci_hcd_init(void) { pr_debug("Initializing OMAP3 ECHI\n");
+ /* Enable power to the USB hub */ + switch (get_board_revision()) { + case REVISION_XM_A: + case REVISION_XM_B: + twl4030_led_set(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON); + break; + case REVISION_AXBX: + case REVISION_CX: + case REVISION_C4: + case REVISION_XM_C: + default: + twl4030_led_set(TWL4030_LED_LEDEN_LEDBON); + break; + } + /* Put the PHY in RESET */ omap_request_gpio(GPIO_PHY_RESET); omap_set_gpio_direction(GPIO_PHY_RESET, 0); diff --git a/drivers/misc/twl4030_led.c b/drivers/misc/twl4030_led.c index 33cea11..8a02e8b 100644 --- a/drivers/misc/twl4030_led.c +++ b/drivers/misc/twl4030_led.c @@ -42,7 +42,11 @@ void twl4030_led_init(unsigned char ledon_mask) if (ledon_mask & TWL4030_LED_LEDEN_LEDBON) ledon_mask |= TWL4030_LED_LEDEN_LEDBPWM;
+ twl4030_led_set(ledon_mask); +} + +void twl4030_led_set(unsigned char ledon_mask) +{ twl4030_i2c_write_u8(TWL4030_CHIP_LED, ledon_mask, TWL4030_LED_LEDEN); - } diff --git a/include/twl4030.h b/include/twl4030.h index 930c285..60d6d2b 100644 --- a/include/twl4030.h +++ b/include/twl4030.h @@ -523,6 +523,7 @@ void twl4030_power_mmc_init(void); * LED */ void twl4030_led_init(unsigned char ledon_mask); +void twl4030_led_set(unsigned char ledon_mask);
/* * USB