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Blackfin: bf518f-ezbrd: setup portmux for async flash

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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>
This commit is contained in:
Graf Yang 2009-05-24 02:34:34 -04:00 • committed by Mike Frysinger
parent f40f6db278
commit ab68790798
2 changed files with 17 additions and 0 deletions
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16
board/bf518f-ezbrd/bf518f-ezbrd.c
View file

@ -146,3 +146,19 @@ int misc_init_r(void)
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;
}

1
include/configs/bf518f-ezbrd.h
View file

@ -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