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-rw-r--r--board/freescale/imx51/imx51.c98
-rw-r--r--board/freescale/mx51_3stack/mx51_3stack.c108
2 files changed, 205 insertions, 1 deletions
diff --git a/board/freescale/imx51/imx51.c b/board/freescale/imx51/imx51.c
index c8efa0f..364f224 100644
--- a/board/freescale/imx51/imx51.c
+++ b/board/freescale/imx51/imx51.c
@@ -29,6 +29,8 @@
#include <asm/arch/iomux.h>
#include <asm/errno.h>
#include <i2c.h>
+#include <mxc_keyb.h>
+#include <asm/arch/keypad.h>
#include "board-imx51.h"
#include <asm/arch/imx_spi.h>
#include <asm/arch/imx_spi_pmic.h>
@@ -457,6 +459,24 @@ int sdhc_init(void)
#endif
+#if defined(CONFIG_MXC_KPD)
+int setup_mxc_kpd()
+{
+ mxc_request_iomux(MX51_PIN_KEY_COL0, IOMUX_CONFIG_ALT0);
+ mxc_request_iomux(MX51_PIN_KEY_COL1, IOMUX_CONFIG_ALT0);
+ mxc_request_iomux(MX51_PIN_KEY_COL2, IOMUX_CONFIG_ALT0);
+ mxc_request_iomux(MX51_PIN_KEY_COL3, IOMUX_CONFIG_ALT0);
+ mxc_request_iomux(MX51_PIN_KEY_COL4, IOMUX_CONFIG_ALT0);
+ mxc_request_iomux(MX51_PIN_KEY_COL5, IOMUX_CONFIG_ALT0);
+ mxc_request_iomux(MX51_PIN_KEY_ROW0, IOMUX_CONFIG_ALT0);
+ mxc_request_iomux(MX51_PIN_KEY_ROW1, IOMUX_CONFIG_ALT0);
+ mxc_request_iomux(MX51_PIN_KEY_ROW2, IOMUX_CONFIG_ALT0);
+ mxc_request_iomux(MX51_PIN_KEY_ROW3, IOMUX_CONFIG_ALT0);
+
+ return 0;
+}
+#endif
+
int board_init(void)
{
setup_soc_rev();
@@ -474,7 +494,85 @@ int board_init(void)
#ifdef BOARD_LATE_INIT
int board_late_init(void)
{
+#if defined(CONFIG_FSL_ANDROID) && defined(CONFIG_MXC_KPD)
+ struct kpp_key_info key_info = {0, 0};
+ int switch_delay = CONFIG_ANDROID_BOOTMOD_DELAY;
+ int state = 0, boot_mode_switch = 0;
+#endif
+
power_init();
+
+#if defined(CONFIG_FSL_ANDROID) && defined(CONFIG_MXC_KPD)
+ mxc_kpp_init();
+
+ puts("Press home + power to enter recovery mode ...\n");
+
+ while ((switch_delay > 0) && (!boot_mode_switch)) {
+ int i;
+
+ --switch_delay;
+ /* delay 100 * 10ms */
+ for (i = 0; !boot_mode_switch && i < 100; ++i) {
+ /* A state machine to scan home + power key */
+ /* Check for home + power */
+ if (mxc_kpp_getc(&key_info)) {
+ switch (state) {
+ case 0:
+ /* First press */
+ if (TEST_HOME_KEY_DEPRESS(key_info.val, key_info.evt)) {
+ /* Press Home */
+ state = 1;
+ } else if (TEST_POWER_KEY_DEPRESS(key_info.val, key_info.evt)) {
+ state = 2;
+ } else {
+ state = 0;
+ }
+ break;
+ case 1:
+ /* Home is already pressed, try to detect Power */
+ if (TEST_POWER_KEY_DEPRESS(key_info.val,
+ key_info.evt)) {
+ boot_mode_switch = 1;
+ } else {
+ if (TEST_HOME_KEY_DEPRESS(key_info.val,
+ key_info.evt))
+ state = 1;
+ else
+ state = 0;
+ }
+ break;
+ case 2:
+ /* Power is already pressed, try to detect Home */
+ if (TEST_HOME_KEY_DEPRESS(key_info.val,
+ key_info.evt)) {
+ boot_mode_switch = 1;
+ } else {
+ if (TEST_POWER_KEY_DEPRESS(key_info.val,
+ key_info.evt))
+ state = 2;
+ else
+ state = 0;
+ }
+ break;
+ default:
+ break;
+ }
+
+ if (1 == boot_mode_switch) {
+ printf("Boot mode switched to recovery mode!\n");
+ /* Set env to recovery mode */
+ setenv("bootargs_android", CONFIG_ANDROID_RECOVERY_BOOTARGS);
+ setenv("bootcmd_android", CONFIG_ANDROID_RECOVERY_BOOTCMD);
+ setenv("bootcmd", "run bootcmd_android");
+ break;
+ }
+ }
+ }
+ for (i = 0; i < 100; ++i)
+ udelay(10000);
+ }
+#endif
+
return 0;
}
#endif
diff --git a/board/freescale/mx51_3stack/mx51_3stack.c b/board/freescale/mx51_3stack/mx51_3stack.c
index 9ddee40..3d8756e 100644
--- a/board/freescale/mx51_3stack/mx51_3stack.c
+++ b/board/freescale/mx51_3stack/mx51_3stack.c
@@ -29,6 +29,8 @@
#include <asm/arch/mx51_pins.h>
#include <asm/arch/iomux.h>
#include <i2c.h>
+#include <mxc_keyb.h>
+#include <asm/arch/keypad.h>
#include "board-mx51_3stack.h"
DECLARE_GLOBAL_DATA_PTR;
@@ -175,6 +177,84 @@ int board_init(void)
#ifdef BOARD_LATE_INIT
int board_late_init(void)
{
+#if defined(CONFIG_FSL_ANDROID) && defined(CONFIG_MXC_KPD)
+ struct kpp_key_info key_info = {0, 0};
+ int switch_delay = CONFIG_ANDROID_BOOTMOD_DELAY;
+ int state = 0, boot_mode_switch = 0;
+#endif
+
+
+#if defined(CONFIG_FSL_ANDROID) && defined(CONFIG_MXC_KPD)
+ mxc_kpp_init();
+
+ puts("Press home + power to enter recovery mode ...\n");
+
+ while ((switch_delay > 0) && (!boot_mode_switch)) {
+ int i;
+
+ --switch_delay;
+ /* delay 100 * 10ms */
+ for (i = 0; !boot_mode_switch && i < 100; ++i) {
+ /* A state machine to scan home + power key */
+ /* Check for home + power */
+ if (mxc_kpp_getc(&key_info)) {
+ switch (state) {
+ case 0:
+ /* First press */
+ if (TEST_HOME_KEY_DEPRESS(key_info.val, key_info.evt)) {
+ /* Press Home */
+ state = 1;
+ } else if (TEST_POWER_KEY_DEPRESS(key_info.val, key_info.evt)) {
+ state = 2;
+ } else {
+ state = 0;
+ }
+ break;
+ case 1:
+ /* Home is already pressed, try to detect Power */
+ if (TEST_POWER_KEY_DEPRESS(key_info.val,
+ key_info.evt)) {
+ boot_mode_switch = 1;
+ } else {
+ if (TEST_HOME_KEY_DEPRESS(key_info.val,
+ key_info.evt))
+ state = 2;
+ else
+ state = 0;
+ }
+ break;
+ case 2:
+ /* Power is already pressed, try to detect Home */
+ if (TEST_HOME_KEY_DEPRESS(key_info.val,
+ key_info.evt)) {
+ boot_mode_switch = 1;
+ } else {
+ if (TEST_POWER_KEY_DEPRESS(key_info.val,
+ key_info.evt))
+ state = 1;
+ else
+ state = 0;
+ }
+ break;
+ default:
+ break;
+ }
+
+ if (1 == boot_mode_switch) {
+ printf("Boot mode switched to recovery mode!\n");
+ /* Set env to recovery mode */
+ setenv("bootargs_android", CONFIG_ANDROID_RECOVERY_BOOTARGS);
+ setenv("bootcmd_android", CONFIG_ANDROID_RECOVERY_BOOTCMD);
+ setenv("bootcmd", "run bootcmd_android");
+ break;
+ }
+ }
+ }
+ for (i = 0; i < 100; ++i)
+ udelay(10000);
+ }
+#endif
+
return 0;
}
#endif
@@ -182,6 +262,15 @@ int board_late_init(void)
int checkboard(void)
{
printf("Board: MX51 3STACK [");
+
+ if (system_rev & CHIP_REV_2_0) {
+ printf("2.0 [");
+ } else if (system_rev & CHIP_REV_1_1) {
+ printf("1.1 [");
+ } else {
+ printf("1.0 [");
+ }
+
switch (__REG(SRC_BASE_ADDR + 0x8)) {
case 0x0001:
printf("POR");
@@ -216,7 +305,6 @@ int board_eth_init(bd_t *bis)
int sdhc_init(void)
{
u32 interface_esdhc = 0;
- u32 pad_val = 0;
s32 status = 0;
interface_esdhc = (readl(SRC_BASE_ADDR + 0x4) & (0x00180000)) >> 19;
@@ -288,3 +376,21 @@ int sdhc_init(void)
}
#endif
+
+#if defined(CONFIG_MXC_KPD)
+int setup_mxc_kpd()
+{
+ mxc_request_iomux(MX51_PIN_KEY_COL0, IOMUX_CONFIG_ALT0);
+ mxc_request_iomux(MX51_PIN_KEY_COL1, IOMUX_CONFIG_ALT0);
+ mxc_request_iomux(MX51_PIN_KEY_COL2, IOMUX_CONFIG_ALT0);
+ mxc_request_iomux(MX51_PIN_KEY_COL3, IOMUX_CONFIG_ALT0);
+ mxc_request_iomux(MX51_PIN_KEY_COL4, IOMUX_CONFIG_ALT0);
+ mxc_request_iomux(MX51_PIN_KEY_COL5, IOMUX_CONFIG_ALT0);
+ mxc_request_iomux(MX51_PIN_KEY_ROW0, IOMUX_CONFIG_ALT0);
+ mxc_request_iomux(MX51_PIN_KEY_ROW1, IOMUX_CONFIG_ALT0);
+ mxc_request_iomux(MX51_PIN_KEY_ROW2, IOMUX_CONFIG_ALT0);
+ mxc_request_iomux(MX51_PIN_KEY_ROW3, IOMUX_CONFIG_ALT0);
+
+ return 0;
+}
+#endif
generated by cgit v1.1 at 2024-12-19 03:36:31 +0000