Blackfin: bf518f-ezbrd: setup portmux for async flash The pins for async memory where parallel flash lives are not enabled by default, so make sure we mux them as needed. Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/board/bf518f-ezbrd/bf518f-ezbrd.c b/board/bf518f-ezbrd/bf518f-ezbrd.c index ec5a7ed..63be7cf 100644 --- a/board/bf518f-ezbrd/bf518f-ezbrd.c +++ b/board/bf518f-ezbrd/bf518f-ezbrd.c
@@ -146,3 +146,19 @@ return 0; } + +int board_early_init_f(void) +{ +#if !defined(CONFIG_SYS_NO_FLASH) + /* setup BF518-EZBRD GPIO pin PG11 to AMS2. */ + bfin_write_PORTG_MUX((bfin_read_PORTG_MUX() & ~PORT_x_MUX_6_MASK) | PORT_x_MUX_6_FUNC_2); + bfin_write_PORTG_FER(bfin_read_PORTG_FER() | PG11); + +# if !defined(CONFIG_BFIN_SPI) + /* setup BF518-EZBRD GPIO pin PG15 to AMS3. */ + bfin_write_PORTG_MUX((bfin_read_PORTG_MUX() & ~PORT_x_MUX_7_MASK) | PORT_x_MUX_7_FUNC_3); + bfin_write_PORTG_FER(bfin_read_PORTG_FER() | PG15); +# endif +#endif + return 0; +}
diff --git a/include/configs/bf518f-ezbrd.h b/include/configs/bf518f-ezbrd.h index 77b94a8..06f2765 100644 --- a/include/configs/bf518f-ezbrd.h +++ b/include/configs/bf518f-ezbrd.h
@@ -132,6 +132,7 @@ /* * Misc Settings */ +#define CONFIG_BOARD_EARLY_INIT_F #define CONFIG_MISC_INIT_R #define CONFIG_RTC_BFIN #define CONFIG_UART_CONSOLE 0