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-rw-r--r--board/freescale/common/vid.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/board/freescale/common/vid.c b/board/freescale/common/vid.c
index 921841f..8acadc4 100644
--- a/board/freescale/common/vid.c
+++ b/board/freescale/common/vid.c
@@ -41,6 +41,8 @@ int __weak board_adjust_vdd(int vdd)
return 0;
}
+#if defined(CONFIG_VOL_MONITOR_IR36021_SET) || \
+ defined(CONFIG_VOL_MONITOR_IR36021_READ)
/*
* Get the i2c address configuration for the IR regulator chip
*
@@ -73,6 +75,7 @@ static int find_ir_chip_on_i2c(void)
}
return -1;
}
+#endif
/* Maximum loop count waiting for new voltage to take effect */
#define MAX_LOOP_WAIT_NEW_VOL 100
@@ -184,6 +187,7 @@ static int read_voltage(int i2caddress)
return voltage_read;
}
+#ifdef CONFIG_VOL_MONITOR_IR36021_SET
/*
* We need to calculate how long before the voltage stops to drop
* or increase. It returns with the loop count. Each loop takes
@@ -243,7 +247,6 @@ static int wait_for_voltage_stable(int i2caddress)
return vdd_current;
}
-#ifdef CONFIG_VOL_MONITOR_IR36021_SET
/* Set the voltage to the IR chip */
static int set_voltage_to_IR(int i2caddress, int vdd)
{
@@ -298,7 +301,12 @@ int adjust_vdd(ulong vdd_override)
int re_enable = disable_interrupts();
struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
u32 fusesr;
+#if defined(CONFIG_VOL_MONITOR_IR36021_SET) || \
+ defined(CONFIG_VOL_MONITOR_IR36021_READ)
u8 vid, buf;
+#else
+ u8 vid;
+#endif
int vdd_target, vdd_current, vdd_last;
int ret, i2caddress;
unsigned long vdd_string_override;
@@ -369,6 +377,8 @@ int adjust_vdd(ulong vdd_override)
ret = -1;
goto exit;
}
+#if defined(CONFIG_VOL_MONITOR_IR36021_SET) || \
+ defined(CONFIG_VOL_MONITOR_IR36021_READ)
ret = find_ir_chip_on_i2c();
if (ret < 0) {
printf("VID: Could not find voltage regulator on I2C.\n");
@@ -393,6 +403,7 @@ int adjust_vdd(ulong vdd_override)
ret = -1;
goto exit;
}
+#endif
/* get the voltage ID from fuse status register */
fusesr = in_le32(&gur->dcfg_fusesr);
@@ -532,6 +543,8 @@ int adjust_vdd(ulong vdd_override)
ret = -1;
goto exit;
}
+#if defined(CONFIG_VOL_MONITOR_IR36021_SET) || \
+ defined(CONFIG_VOL_MONITOR_IR36021_READ)
ret = find_ir_chip_on_i2c();
if (ret < 0) {
printf("VID: Could not find voltage regulator on I2C.\n");
@@ -556,6 +569,7 @@ int adjust_vdd(ulong vdd_override)
ret = -1;
goto exit;
}
+#endif
/* get the voltage ID from fuse status register */
fusesr = in_be32(&gur->dcfg_fusesr);
@@ -666,6 +680,8 @@ static int print_vdd(void)
debug("VID : I2c failed to switch channel\n");
return -1;
}
+#if defined(CONFIG_VOL_MONITOR_IR36021_SET) || \
+ defined(CONFIG_VOL_MONITOR_IR36021_READ)
ret = find_ir_chip_on_i2c();
if (ret < 0) {
printf("VID: Could not find voltage regulator on I2C.\n");
@@ -674,6 +690,7 @@ static int print_vdd(void)
i2caddress = ret;
debug("VID: IR Chip found on I2C address 0x%02x\n", i2caddress);
}
+#endif
/*
* Read voltage monitor to check real voltage.