Note that the reboot code depends on an EC implementation for power_cycle.
---
arch/arm/mach-mmp/olpc-xo-1-75.c | 19 +++++++++++++++++++
include/linux/olpc-ec-1-75.h | 3 +++
2 files changed, 22 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-mmp/olpc-xo-1-75.c b/arch/arm/mach-mmp/olpc-xo-1-75.c
index 431a7fd..7a8f518 100644
--- a/arch/arm/mach-mmp/olpc-xo-1-75.c
+++ b/arch/arm/mach-mmp/olpc-xo-1-75.c
@@ -181,8 +181,27 @@ static struct i2c_board_info olpc_xo_1_75_twsi4_info[] = {
},
};
+void olpc_xo_1_75_poweroff(void)
+{
+ u8 ec_cmd[8] = {0};
+ ec_cmd[0] = OLPC_EC_1_75_CMD_POWER_OFF;
+
+ olpc_xo_1_75_ec_cmd(ec_cmd, NULL, 0);
+}
+
+void olpc_xo_1_75_restart(char mode, const char *cmd)
+{
+ u8 ec_cmd[8] = {0};
+ ec_cmd[0] = OLPC_EC_1_75_CMD_POWER_CYCLE;
+
+ olpc_xo_1_75_ec_cmd(ec_cmd, NULL, 0);
+}
+
static void __init olpc_xo_1_75_init(void)
{
+ pm_power_off = olpc_xo_1_75_poweroff;
+ arm_pm_restart = olpc_xo_1_75_restart;
+
/* on-chip devices */
mmp2_add_uart(1);
mmp2_add_uart(3);
diff --git a/include/linux/olpc-ec-1-75.h b/include/linux/olpc-ec-1-75.h
index c7926de..527f60b 100644
--- a/include/linux/olpc-ec-1-75.h
+++ b/include/linux/olpc-ec-1-75.h
@@ -9,6 +9,9 @@
#ifndef __OLPC_EC_1_75_H
#define __OLPC_EC_1_75_H
+#define OLPC_EC_1_75_CMD_POWER_CYCLE 0x4b
+#define OLPC_EC_1_75_CMD_POWER_OFF 0x4c
+
struct olpc_ec_1_75_platform_data {
int gpio_ack;
int gpio_cmd;
--
1.7.0.1
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