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Diffstat (limited to 'rbutil/mkamsboot/dualboot/dualboot.S')
-rw-r--r--rbutil/mkamsboot/dualboot/dualboot.S6
1 files changed, 6 insertions, 0 deletions
diff --git a/rbutil/mkamsboot/dualboot/dualboot.S b/rbutil/mkamsboot/dualboot/dualboot.S
index 932e91a4a3..4e4dbe5505 100644
--- a/rbutil/mkamsboot/dualboot/dualboot.S
+++ b/rbutil/mkamsboot/dualboot/dualboot.S
@@ -29,6 +29,7 @@
.set CGU_PROC, 0xC80F0010
.set CGU_PERI, 0xC80F0014
.set CGU_DBOP, 0xC80F0038
+.set CCU_IO, 0xC810000C
.set DBOP, 0xC8120000
.set I2C_BASE, 0xC8070000
.set I2C_DATA, 0x00
@@ -111,6 +112,11 @@ uclcopy:
.set row, (1<<4) /* enable output on D4 */
.set col, (1<<0) /* read keyscan column D0 */
+ ldr r0, =CCU_IO
+ ldr r1, [r0]
+ bic r1, r1, #(3<<2) @ XPD works as general purpose IO
+ str r1, [r0]
+
ldr r0, =GPIOD
mov r1, #((1<<5)|(1<<4)|(1<<3)) /* all rows as output */
str r1, [r0, #0x400]