[Sabrina] GPIO input function [2/2]

PD#SWPL-10039

Problem:
Modify the following pins to GPIO input

1. GPIOZ_3 (HW_ID_2)
2. GPIOZ_7 (HW_ID_0)
3. GPIOZ_8 (HW_ID_1)
4. GPIOAO_10 (FDR_L)

Solution:
GPIO

Verify:
sabrina

Change-Id: I12dd82d5b12630aeecfdfcebc7b29b9b6be40240
Signed-off-by: Edward Ho <edward.ho@amlogic.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/board/amlogic/sm1_sabrina_v1/firmware/timing.c b/board/amlogic/sm1_sabrina_v1/firmware/timing.c
index 56ec691..5fbed33 100755
--- a/board/amlogic/sm1_sabrina_v1/firmware/timing.c
+++ b/board/amlogic/sm1_sabrina_v1/firmware/timing.c
@@ -664,4 +664,16 @@ bl2_reg_t __bl2_reg[] = {
 	/* Init sys led*/
 	{AO_GPIO_O_EN_N,      (0 << 11),               (1 << 11),    0, BL2_INIT_STAGE_1, 0},
 	{AO_GPIO_O,           (1 << 11),               (1 << 11),    0, BL2_INIT_STAGE_1, 0},
+
+	/* GPIO inputs */
+	/* Disable Pull_UP_EN */
+	{PAD_PULL_UP_EN_REG4,      0,                 ((1<< 8)| (1 << 7)| (1 << 3)),   0, BL2_INIT_STAGE_1, 0},    /* [3] GPIOZ_3; [7] GPIOZ_7; [8] GPIOZ_8 */
+	{AO_RTI_PULL_UP_EN_REG,    0,                 (1<< 10),      0, BL2_INIT_STAGE_1, 0},     /* [10] GPIOAO_10 */
+	/* Set the GPIO direction to Input */
+	{PREG_PAD_GPIO4_EN_N,      ((1<< 8)| (1 << 7)| (1 << 3)), ((1<< 8)| (1 << 7)| (1 << 3)),   0, BL2_INIT_STAGE_1, 0},    /* [3] GPIOZ_3; [7] GPIOZ_7; [8] GPIOZ_8 */
+	{AO_GPIO_O_EN_N,           (1 << 10),                     (1 << 10),     0, BL2_INIT_STAGE_1, 0},     /* [10] GPIOAO_10 */
+	/* Set the pinmux to GPIO */
+	{PERIPHS_PIN_MUX_6,        0,                 ((0xf<< 12)| (0xf <<28)),        0, BL2_INIT_STAGE_1, 0},    /* [15:12] GPIOZ_3; [31:28] GPIOZ_7 */
+	{PERIPHS_PIN_MUX_7,        0,                 0xf,           0, BL2_INIT_STAGE_1, 0},     /* [3:0] GPIOAO_10 */
+	{AO_RTI_PINMUX_REG1,       0,                 (0xf << 8),    0, BL2_INIT_STAGE_1, 0},     /* [11:8] GPIOAO_10 */
 };