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Clipv2: fix button reading on some models

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We neet to setup the XPD to work as GPIO
storage unaffected
Tested on working-already Clipv2 and on a 'brickable' clipv2

Change-Id: Idcbdfb6bd50d51b7f6f7e00b21df24fac9b3a6d8
This commit is contained in:
Rafaël Carré 2012-01-30 00:10:21 -05:00
parent e7892c9851
commit d1b47c2eeb
4 changed files with 15 additions and 7 deletions
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6
rbutil/mkamsboot/dualboot/dualboot.S
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@ -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]