[AVR32] Add basic HMATRIX support
This adds register and clock definitions for the High-speed bus Matrix
(HMATRIX) as well as a function that can be used to configure special
EBI functionality like CompactFlash and NAND flash support.
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
diff --git a/arch/avr32/mach-at32ap/hmatrix.h b/arch/avr32/mach-at32ap/hmatrix.h
new file mode 100644
index 0000000..d10bfb6
--- /dev/null
+++ b/arch/avr32/mach-at32ap/hmatrix.h
@@ -0,0 +1,182 @@
+/*
+ * Register definitions for High-Speed Bus Matrix
+ */
+#ifndef __HMATRIX_H
+#define __HMATRIX_H
+
+/* HMATRIX register offsets */
+#define HMATRIX_MCFG0 0x0000
+#define HMATRIX_MCFG1 0x0004
+#define HMATRIX_MCFG2 0x0008
+#define HMATRIX_MCFG3 0x000c
+#define HMATRIX_MCFG4 0x0010
+#define HMATRIX_MCFG5 0x0014
+#define HMATRIX_MCFG6 0x0018
+#define HMATRIX_MCFG7 0x001c
+#define HMATRIX_MCFG8 0x0020
+#define HMATRIX_MCFG9 0x0024
+#define HMATRIX_MCFG10 0x0028
+#define HMATRIX_MCFG11 0x002c
+#define HMATRIX_MCFG12 0x0030
+#define HMATRIX_MCFG13 0x0034
+#define HMATRIX_MCFG14 0x0038
+#define HMATRIX_MCFG15 0x003c
+#define HMATRIX_SCFG0 0x0040
+#define HMATRIX_SCFG1 0x0044
+#define HMATRIX_SCFG2 0x0048
+#define HMATRIX_SCFG3 0x004c
+#define HMATRIX_SCFG4 0x0050
+#define HMATRIX_SCFG5 0x0054
+#define HMATRIX_SCFG6 0x0058
+#define HMATRIX_SCFG7 0x005c
+#define HMATRIX_SCFG8 0x0060
+#define HMATRIX_SCFG9 0x0064
+#define HMATRIX_SCFG10 0x0068
+#define HMATRIX_SCFG11 0x006c
+#define HMATRIX_SCFG12 0x0070
+#define HMATRIX_SCFG13 0x0074
+#define HMATRIX_SCFG14 0x0078
+#define HMATRIX_SCFG15 0x007c
+#define HMATRIX_PRAS0 0x0080
+#define HMATRIX_PRBS0 0x0084
+#define HMATRIX_PRAS1 0x0088
+#define HMATRIX_PRBS1 0x008c
+#define HMATRIX_PRAS2 0x0090
+#define HMATRIX_PRBS2 0x0094
+#define HMATRIX_PRAS3 0x0098
+#define HMATRIX_PRBS3 0x009c
+#define HMATRIX_PRAS4 0x00a0
+#define HMATRIX_PRBS4 0x00a4
+#define HMATRIX_PRAS5 0x00a8
+#define HMATRIX_PRBS5 0x00ac
+#define HMATRIX_PRAS6 0x00b0
+#define HMATRIX_PRBS6 0x00b4
+#define HMATRIX_PRAS7 0x00b8
+#define HMATRIX_PRBS7 0x00bc
+#define HMATRIX_PRAS8 0x00c0
+#define HMATRIX_PRBS8 0x00c4
+#define HMATRIX_PRAS9 0x00c8
+#define HMATRIX_PRBS9 0x00cc
+#define HMATRIX_PRAS10 0x00d0
+#define HMATRIX_PRBS10 0x00d4
+#define HMATRIX_PRAS11 0x00d8
+#define HMATRIX_PRBS11 0x00dc
+#define HMATRIX_PRAS12 0x00e0
+#define HMATRIX_PRBS12 0x00e4
+#define HMATRIX_PRAS13 0x00e8
+#define HMATRIX_PRBS13 0x00ec
+#define HMATRIX_PRAS14 0x00f0
+#define HMATRIX_PRBS14 0x00f4
+#define HMATRIX_PRAS15 0x00f8
+#define HMATRIX_PRBS15 0x00fc
+#define HMATRIX_MRCR 0x0100
+#define HMATRIX_SFR0 0x0110
+#define HMATRIX_SFR1 0x0114
+#define HMATRIX_SFR2 0x0118
+#define HMATRIX_SFR3 0x011c
+#define HMATRIX_SFR4 0x0120
+#define HMATRIX_SFR5 0x0124
+#define HMATRIX_SFR6 0x0128
+#define HMATRIX_SFR7 0x012c
+#define HMATRIX_SFR8 0x0130
+#define HMATRIX_SFR9 0x0134
+#define HMATRIX_SFR10 0x0138
+#define HMATRIX_SFR11 0x013c
+#define HMATRIX_SFR12 0x0140
+#define HMATRIX_SFR13 0x0144
+#define HMATRIX_SFR14 0x0148
+#define HMATRIX_SFR15 0x014c
+
+/* Bitfields in MCFGx */
+#define HMATRIX_ULBT_OFFSET 0
+#define HMATRIX_ULBT_SIZE 3
+
+/* Bitfields in SCFGx */
+#define HMATRIX_SLOT_CYCLE_OFFSET 0
+#define HMATRIX_SLOT_CYCLE_SIZE 8
+#define HMATRIX_DEFMSTR_TYPE_OFFSET 16
+#define HMATRIX_DEFMSTR_TYPE_SIZE 2
+#define HMATRIX_FIXED_DEFMSTR_OFFSET 18
+#define HMATRIX_FIXED_DEFMSTR_SIZE 4
+#define HMATRIX_ARBT_OFFSET 24
+#define HMATRIX_ARBT_SIZE 2
+
+/* Bitfields in PRASx */
+#define HMATRIX_M0PR_OFFSET 0
+#define HMATRIX_M0PR_SIZE 4
+#define HMATRIX_M1PR_OFFSET 4
+#define HMATRIX_M1PR_SIZE 4
+#define HMATRIX_M2PR_OFFSET 8
+#define HMATRIX_M2PR_SIZE 4
+#define HMATRIX_M3PR_OFFSET 12
+#define HMATRIX_M3PR_SIZE 4
+#define HMATRIX_M4PR_OFFSET 16
+#define HMATRIX_M4PR_SIZE 4
+#define HMATRIX_M5PR_OFFSET 20
+#define HMATRIX_M5PR_SIZE 4
+#define HMATRIX_M6PR_OFFSET 24
+#define HMATRIX_M6PR_SIZE 4
+#define HMATRIX_M7PR_OFFSET 28
+#define HMATRIX_M7PR_SIZE 4
+
+/* Bitfields in PRBSx */
+#define HMATRIX_M8PR_OFFSET 0
+#define HMATRIX_M8PR_SIZE 4
+#define HMATRIX_M9PR_OFFSET 4
+#define HMATRIX_M9PR_SIZE 4
+#define HMATRIX_M10PR_OFFSET 8
+#define HMATRIX_M10PR_SIZE 4
+#define HMATRIX_M11PR_OFFSET 12
+#define HMATRIX_M11PR_SIZE 4
+#define HMATRIX_M12PR_OFFSET 16
+#define HMATRIX_M12PR_SIZE 4
+#define HMATRIX_M13PR_OFFSET 20
+#define HMATRIX_M13PR_SIZE 4
+#define HMATRIX_M14PR_OFFSET 24
+#define HMATRIX_M14PR_SIZE 4
+#define HMATRIX_M15PR_OFFSET 28
+#define HMATRIX_M15PR_SIZE 4
+
+/* Bitfields in SFR4 */
+#define HMATRIX_CS1A_OFFSET 1
+#define HMATRIX_CS1A_SIZE 1
+#define HMATRIX_CS3A_OFFSET 3
+#define HMATRIX_CS3A_SIZE 1
+#define HMATRIX_CS4A_OFFSET 4
+#define HMATRIX_CS4A_SIZE 1
+#define HMATRIX_CS5A_OFFSET 5
+#define HMATRIX_CS5A_SIZE 1
+#define HMATRIX_DBPUC_OFFSET 8
+#define HMATRIX_DBPUC_SIZE 1
+
+/* Constants for ULBT */
+#define HMATRIX_ULBT_INFINITE 0
+#define HMATRIX_ULBT_SINGLE 1
+#define HMATRIX_ULBT_FOUR_BEAT 2
+#define HMATRIX_ULBT_EIGHT_BEAT 3
+#define HMATRIX_ULBT_SIXTEEN_BEAT 4
+
+/* Constants for DEFMSTR_TYPE */
+#define HMATRIX_DEFMSTR_TYPE_NO_DEFAULT 0
+#define HMATRIX_DEFMSTR_TYPE_LAST_DEFAULT 1
+#define HMATRIX_DEFMSTR_TYPE_FIXED_DEFAULT 2
+
+/* Constants for ARBT */
+#define HMATRIX_ARBT_ROUND_ROBIN 0
+#define HMATRIX_ARBT_FIXED_PRIORITY 1
+
+/* Bit manipulation macros */
+#define HMATRIX_BIT(name) \
+ (1 << HMATRIX_##name##_OFFSET)
+#define HMATRIX_BF(name,value) \
+ (((value) & ((1 << HMATRIX_##name##_SIZE) - 1)) \
+ << HMATRIX_##name##_OFFSET)
+#define HMATRIX_BFEXT(name,value) \
+ (((value) >> HMATRIX_##name##_OFFSET) \
+ & ((1 << HMATRIX_##name##_SIZE) - 1))
+#define HMATRIX_BFINS(name,value,old) \
+ (((old) & ~(((1 << HMATRIX_##name##_SIZE) - 1) \
+ << HMATRIX_##name##_OFFSET)) \
+ | HMATRIX_BF(name,value))
+
+#endif /* __HMATRIX_H */