diff options
Diffstat (limited to 'rbutil/mkamsboot/dualboot')
| -rw-r--r-- | rbutil/mkamsboot/dualboot/dualboot.S | 6 |
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] |