diff options
| author | Igor Grinberg <grinberg@compulab.co.il> | 2014-11-03 11:32:19 +0200 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2014-11-06 11:04:40 -0500 |
| commit | 959bc1d5fa83eab057f12cb5ef79bd37ec98eb83 (patch) | |
| tree | f8480d45105bb2910684ffb7cb019457e4bd32ec /board | |
| parent | a937fd1682625b1f87b555e2af9117fcb2999d7c (diff) | |
| download | u-boot-imx-959bc1d5fa83eab057f12cb5ef79bd37ec98eb83.zip u-boot-imx-959bc1d5fa83eab057f12cb5ef79bd37ec98eb83.tar.gz u-boot-imx-959bc1d5fa83eab057f12cb5ef79bd37ec98eb83.tar.bz2 | |
omap3: cm-t35: move the USB hub reset code
Extract the USB hub reset code to a common location where it can be
reused by other compulab boards.
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Reviewed-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'board')
| -rw-r--r-- | board/compulab/cm_t35/cm_t35.c | 14 | ||||
| -rw-r--r-- | board/compulab/common/common.c | 22 | ||||
| -rw-r--r-- | board/compulab/common/common.h | 13 |
3 files changed, 38 insertions, 11 deletions
diff --git a/board/compulab/cm_t35/cm_t35.c b/board/compulab/cm_t35/cm_t35.c index 5453942..aca41c8 100644 --- a/board/compulab/cm_t35/cm_t35.c +++ b/board/compulab/cm_t35/cm_t35.c @@ -568,21 +568,12 @@ struct omap_usbhs_board_data usbhs_bdata = { #define SB_T35_USB_HUB_RESET_GPIO 167 int ehci_hcd_init(int index, enum usb_init_type init, - struct ehci_hccr **hccr, struct ehci_hcor **hcor) + struct ehci_hccr **hccr, struct ehci_hcor **hcor) { u8 val; int offset; - if (gpio_request(SB_T35_USB_HUB_RESET_GPIO, "SB-T35 usb hub reset")) { - printf("Error: can't obtain GPIO %d for SB-T35 usb hub reset", - SB_T35_USB_HUB_RESET_GPIO); - return -1; - } - - gpio_direction_output(SB_T35_USB_HUB_RESET_GPIO, 0); - udelay(10); - gpio_set_value(SB_T35_USB_HUB_RESET_GPIO, 1); - udelay(1000); + cl_usb_hub_init(SB_T35_USB_HUB_RESET_GPIO, "sb-t35 hub rst"); offset = TWL4030_BASEADD_GPIO + TWL4030_GPIO_GPIODATADIR1; twl4030_i2c_read_u8(TWL4030_CHIP_GPIO, offset, &val); @@ -599,6 +590,7 @@ int ehci_hcd_init(int index, enum usb_init_type init, int ehci_hcd_stop(void) { + cl_usb_hub_deinit(SB_T35_USB_HUB_RESET_GPIO); return omap_ehci_hcd_stop(); } #endif /* CONFIG_USB_EHCI_OMAP */ diff --git a/board/compulab/common/common.c b/board/compulab/common/common.c index 6d2d7b0..f2ce522 100644 --- a/board/compulab/common/common.c +++ b/board/compulab/common/common.c @@ -8,6 +8,7 @@ #include <common.h> #include <asm/bootm.h> +#include <asm/gpio.h> #include "common.h" #include "eeprom.h" @@ -23,3 +24,24 @@ void cl_print_pcb_info(void) printf("PCB: %u.%u\n", rev_major, rev_minor); } + +#ifdef CONFIG_CMD_USB +int cl_usb_hub_init(int gpio, const char *label) +{ + if (gpio_request(gpio, label)) { + printf("Error: can't obtain GPIO%d for %s", gpio, label); + return -1; + } + + gpio_direction_output(gpio, 0); + udelay(10); + gpio_set_value(gpio, 1); + udelay(1000); + return 0; +} + +void cl_usb_hub_deinit(int gpio) +{ + gpio_free(gpio); +} +#endif diff --git a/board/compulab/common/common.h b/board/compulab/common/common.h index 316ee4c..ffe1ef8 100644 --- a/board/compulab/common/common.h +++ b/board/compulab/common/common.h @@ -9,6 +9,19 @@ #ifndef _CL_COMMON_ #define _CL_COMMON_ +#include <asm/errno.h> + void cl_print_pcb_info(void); +#ifdef CONFIG_CMD_USB +int cl_usb_hub_init(int gpio, const char *label); +void cl_usb_hub_deinit(int gpio); +#else /* !CONFIG_CMD_USB */ +static inline int cl_usb_hub_init(int gpio, const char *label) +{ + return -ENOSYS; +} +static inline void cl_usb_hub_deinit(int gpio) {} +#endif /* CONFIG_CMD_USB */ + #endif /* _CL_COMMON_ */ |