diff options
Diffstat (limited to 'board/amcc/canyonlands/canyonlands.c')
| -rw-r--r-- | board/amcc/canyonlands/canyonlands.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/board/amcc/canyonlands/canyonlands.c b/board/amcc/canyonlands/canyonlands.c index 3551429..36779f5 100644 --- a/board/amcc/canyonlands/canyonlands.c +++ b/board/amcc/canyonlands/canyonlands.c @@ -26,6 +26,7 @@ #include <asm/io.h> #include <asm/mmu.h> #include <asm/4xx_pcie.h> +#include <asm/gpio.h> extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ @@ -100,6 +101,19 @@ int board_early_init_f(void) mtsdr(SDR0_SRST1, 0); /* Pull AHB out of reset default=1 */ + /* Setup PLB4-AHB bridge based on the system address map */ + mtdcr(AHB_TOP, 0x8000004B); + mtdcr(AHB_BOT, 0x8000004B); + + /* + * Configure USB-STP pins as alternate and not GPIO + * It seems to be neccessary to configure the STP pins as GPIO + * input at powerup (perhaps while USB reset is asserted). So + * we configure those pins to their "real" function now. + */ + gpio_config(16, GPIO_OUT, GPIO_ALT1, GPIO_OUT_1); + gpio_config(19, GPIO_OUT, GPIO_ALT1, GPIO_OUT_1); + return 0; } |