driver/ifc: replace __ilog2 with LOG2 macro

Replaces __ilog2 function call with LOG2 macro, required to
use macros in global variables.

Also, corrects the value passed in LOG2 for some PowerPC
platforms. Minimum value that can be configured is is 64K
for IFC IP.

Signed-off-by: Pankit Garg <pankit.garg@nxp.com>
Signed-off-by: Rajesh Bhagat <rajesh.bhagat@nxp.com>
[YS: fix white space around operator]
Reviewed-by: York Sun <york.sun@nxp.com>
diff --git a/include/configs/B4860QDS.h b/include/configs/B4860QDS.h
index f758ea7..252e127 100644
--- a/include/configs/B4860QDS.h
+++ b/include/configs/B4860QDS.h
@@ -276,7 +276,7 @@
 				| CSPR_PORT_SIZE_8 \
 				| CSPR_MSEL_GPCM \
 				| CSPR_V)
-#define CONFIG_SYS_AMASK3	IFC_AMASK(4 * 1024)
+#define CONFIG_SYS_AMASK3	IFC_AMASK(64 * 1024)
 #define CONFIG_SYS_CSOR3	0x0
 /* QIXIS Timing parameters for IFC CS3 */
 #define CONFIG_SYS_CS3_FTIM0		(FTIM0_GPCM_TACSE(0x0e) | \
diff --git a/include/configs/T102xQDS.h b/include/configs/T102xQDS.h
index 42bfd07..f3b0fe0 100644
--- a/include/configs/T102xQDS.h
+++ b/include/configs/T102xQDS.h
@@ -290,7 +290,7 @@
 				| CSPR_PORT_SIZE_8 \
 				| CSPR_MSEL_GPCM \
 				| CSPR_V)
-#define CONFIG_SYS_AMASK3	IFC_AMASK(4*1024)
+#define CONFIG_SYS_AMASK3	IFC_AMASK(64 * 1024)
 #define CONFIG_SYS_CSOR3	0x0
 /* QIXIS Timing parameters for IFC CS3 */
 #define CONFIG_SYS_CS3_FTIM0		(FTIM0_GPCM_TACSE(0x0e) | \
diff --git a/include/configs/T1040QDS.h b/include/configs/T1040QDS.h
index 7d90797..2d5c96f 100644
--- a/include/configs/T1040QDS.h
+++ b/include/configs/T1040QDS.h
@@ -215,7 +215,7 @@
 				| CSPR_PORT_SIZE_8 \
 				| CSPR_MSEL_GPCM \
 				| CSPR_V)
-#define CONFIG_SYS_AMASK3	IFC_AMASK(4*1024)
+#define CONFIG_SYS_AMASK3	IFC_AMASK(64 * 1024)
 #define CONFIG_SYS_CSOR3	0x0
 /* QIXIS Timing parameters for IFC CS3 */
 #define CONFIG_SYS_CS3_FTIM0		(FTIM0_GPCM_TACSE(0x0e) | \
diff --git a/include/configs/T208xQDS.h b/include/configs/T208xQDS.h
index 833a060..1dcf277 100644
--- a/include/configs/T208xQDS.h
+++ b/include/configs/T208xQDS.h
@@ -266,7 +266,7 @@
 				| CSPR_PORT_SIZE_8 \
 				| CSPR_MSEL_GPCM \
 				| CSPR_V)
-#define CONFIG_SYS_AMASK3	IFC_AMASK(4*1024)
+#define CONFIG_SYS_AMASK3	IFC_AMASK(64 * 1024)
 #define CONFIG_SYS_CSOR3	0x0
 /* QIXIS Timing parameters for IFC CS3 */
 #define CONFIG_SYS_CS3_FTIM0		(FTIM0_GPCM_TACSE(0x0e) | \
diff --git a/include/configs/T4240QDS.h b/include/configs/T4240QDS.h
index 34b3b05..0693901 100644
--- a/include/configs/T4240QDS.h
+++ b/include/configs/T4240QDS.h
@@ -191,7 +191,7 @@
 				| CSPR_PORT_SIZE_8 \
 				| CSPR_MSEL_GPCM \
 				| CSPR_V)
-#define CONFIG_SYS_AMASK3	IFC_AMASK(4*1024)
+#define CONFIG_SYS_AMASK3	IFC_AMASK(64 * 1024)
 #define CONFIG_SYS_CSOR3	0x0
 /* QIXIS Timing parameters for IFC CS3 */
 #define CONFIG_SYS_CS3_FTIM0		(FTIM0_GPCM_TACSE(0x0e) | \
diff --git a/include/configs/T4240RDB.h b/include/configs/T4240RDB.h
index f5eed09..42252c7 100644
--- a/include/configs/T4240RDB.h
+++ b/include/configs/T4240RDB.h
@@ -460,7 +460,7 @@
 				| CSPR_MSEL_GPCM \
 				| CSPR_V)
 
-#define CONFIG_SYS_AMASK3	IFC_AMASK(4*1024)
+#define CONFIG_SYS_AMASK3	IFC_AMASK(64 * 1024)
 #define CONFIG_SYS_CSOR3	0x0
 
 /* CPLD Timing parameters for IFC CS3 */
diff --git a/include/fsl_ifc.h b/include/fsl_ifc.h
index 8120ca0..17697c7 100644
--- a/include/fsl_ifc.h
+++ b/include/fsl_ifc.h
@@ -70,7 +70,7 @@
 #define IFC_AMASK_MASK			0xFFFF0000
 #define IFC_AMASK_SHIFT			16
 #define IFC_AMASK(n)			(IFC_AMASK_MASK << \
-					(__ilog2(n) - IFC_AMASK_SHIFT))
+					(LOG2(n) - IFC_AMASK_SHIFT))
 
 /*
  * Chip Select Option Register IFC_NAND Machine
@@ -111,7 +111,7 @@
 /* Pages Per Block */
 #define CSOR_NAND_PB_MASK		0x00000700
 #define CSOR_NAND_PB_SHIFT		8
-#define CSOR_NAND_PB(n)		((__ilog2(n) - 5) << CSOR_NAND_PB_SHIFT)
+#define CSOR_NAND_PB(n)		((LOG2(n) - 5) << CSOR_NAND_PB_SHIFT)
 /* Time for Read Enable High to Output High Impedance */
 #define CSOR_NAND_TRHZ_MASK		0x0000001C
 #define CSOR_NAND_TRHZ_SHIFT		2
@@ -164,7 +164,7 @@
 /* GPCM Timeout Count */
 #define CSOR_GPCM_GPTO_MASK		0x0F000000
 #define CSOR_GPCM_GPTO_SHIFT		24
-#define CSOR_GPCM_GPTO(n)	((__ilog2(n) - 8) << CSOR_GPCM_GPTO_SHIFT)
+#define CSOR_GPCM_GPTO(n)	((LOG2(n) - 8) << CSOR_GPCM_GPTO_SHIFT)
 /* GPCM External Access Termination mode for read access */
 #define CSOR_GPCM_RGETA_EXT		0x00080000
 /* GPCM External Access Termination mode for write access */
@@ -644,7 +644,7 @@
  */
 #define IFC_NAND_NCR_FTOCNT_MASK	0x1E000000
 #define IFC_NAND_NCR_FTOCNT_SHIFT	25
-#define IFC_NAND_NCR_FTOCNT(n)	((_ilog2(n) - 8)  << IFC_NAND_NCR_FTOCNT_SHIFT)
+#define IFC_NAND_NCR_FTOCNT(n)	((LOG2(n) - 8)  << IFC_NAND_NCR_FTOCNT_SHIFT)
 
 /*
  * NAND_AUTOBOOT_TRGR
@@ -727,7 +727,7 @@
 /* Sequence Timeout Count */
 #define IFC_NORCR_STOCNT_MASK		0x000F0000
 #define IFC_NORCR_STOCNT_SHIFT		16
-#define IFC_NORCR_STOCNT(n)	((__ilog2(n) - 8) << IFC_NORCR_STOCNT_SHIFT)
+#define IFC_NORCR_STOCNT(n)	((LOG2(n) - 8) << IFC_NORCR_STOCNT_SHIFT)
 
 /*
  * GPCM Machine specific registers