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authorGraf Yang <graf.yang@analog.com>2009-05-24 02:34:34 -0400
committerMike Frysinger <vapier@gentoo.org>2009-05-25 22:38:42 -0400
commitab687907980fa28940a1a992d3f1c5d17cdbbf5d (patch)
tree2af1fce8f29719391802f2984e1391537268769c /board
parentf40f6db278f602b55820693634a7256b0b4e4b80 (diff)
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>
Diffstat (limited to 'board')
-rw-r--r--board/bf518f-ezbrd/bf518f-ezbrd.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/board/bf518f-ezbrd/bf518f-ezbrd.c b/board/bf518f-ezbrd/bf518f-ezbrd.c
index ec5a7ed0b1..63be7cf06c 100644
--- a/board/bf518f-ezbrd/bf518f-ezbrd.c
+++ b/board/bf518f-ezbrd/bf518f-ezbrd.c
@@ -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;
+}