diff options
| -rw-r--r-- | board/ti/beagle/beagle.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/board/ti/beagle/beagle.c b/board/ti/beagle/beagle.c index 8757876..c09c833 100644 --- a/board/ti/beagle/beagle.c +++ b/board/ti/beagle/beagle.c @@ -252,6 +252,38 @@ void beagle_display_init(void) } /* + * Enable DVI power + */ +static void beagle_dvi_pup() { + uchar val; + + switch (get_board_revision()) { + case REVISION_AXBX: + case REVISION_CX: + case REVISION_C4: + case REVISION_XM_A: + gpio_request(170, ""); + gpio_direction_output(170, 0); + gpio_set_value(170, 1); + break; + case REVISION_XM_B: + case REVISION_XM_C: + default: + #define GPIODATADIR1 (TWL4030_BASEADD_GPIO+3) + #define GPIODATAOUT1 (TWL4030_BASEADD_GPIO+6) + + i2c_read(TWL4030_CHIP_GPIO, GPIODATADIR1, 1, &val, 1); + val |= 4; + i2c_write(TWL4030_CHIP_GPIO, GPIODATADIR1, 1, &val, 1); + + i2c_read(TWL4030_CHIP_GPIO, GPIODATAOUT1, 1, &val, 1); + val |= 4; + i2c_write(TWL4030_CHIP_GPIO, GPIODATAOUT1, 1, &val, 1); + break; + } +} + +/* * Routine: misc_init_r * Description: Configure board specific parts */ @@ -422,6 +454,8 @@ int misc_init_r(void) GPIO15 | GPIO14 | GPIO13 | GPIO12), &gpio5_base->oe); dieid_num_r(); + + beagle_dvi_pup(); beagle_display_init(); omap3_dss_enable(); |