summaryrefslogtreecommitdiffstats
path: root/kernel/arch/arm/mach-ks8695/include/mach/regs-mem.h
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/arch/arm/mach-ks8695/include/mach/regs-mem.h')
-rw-r--r--kernel/arch/arm/mach-ks8695/include/mach/regs-mem.h89
1 files changed, 89 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-ks8695/include/mach/regs-mem.h b/kernel/arch/arm/mach-ks8695/include/mach/regs-mem.h
new file mode 100644
index 000000000..55806bc68
--- /dev/null
+++ b/kernel/arch/arm/mach-ks8695/include/mach/regs-mem.h
@@ -0,0 +1,89 @@
+/*
+ * arch/arm/mach-ks8695/include/mach/regs-mem.h
+ *
+ * Copyright (C) 2006 Andrew Victor
+ *
+ * KS8695 - Memory Controller registers and bit definitions
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef KS8695_MEM_H
+#define KS8695_MEM_H
+
+#define KS8695_MEM_OFFSET (0xF0000 + 0x4000)
+#define KS8695_MEM_VA (KS8695_IO_VA + KS8695_MEM_OFFSET)
+#define KS8695_MEM_PA (KS8695_IO_PA + KS8695_MEM_OFFSET)
+
+
+/*
+ * Memory Controller Registers
+ */
+#define KS8695_EXTACON0 (0x00) /* External I/O 0 Access Control */
+#define KS8695_EXTACON1 (0x04) /* External I/O 1 Access Control */
+#define KS8695_EXTACON2 (0x08) /* External I/O 2 Access Control */
+#define KS8695_ROMCON0 (0x10) /* ROM/SRAM/Flash 1 Control Register */
+#define KS8695_ROMCON1 (0x14) /* ROM/SRAM/Flash 2 Control Register */
+#define KS8695_ERGCON (0x20) /* External I/O and ROM/SRAM/Flash General Register */
+#define KS8695_SDCON0 (0x30) /* SDRAM Control Register 0 */
+#define KS8695_SDCON1 (0x34) /* SDRAM Control Register 1 */
+#define KS8695_SDGCON (0x38) /* SDRAM General Control */
+#define KS8695_SDBCON (0x3c) /* SDRAM Buffer Control */
+#define KS8695_REFTIM (0x40) /* SDRAM Refresh Timer */
+
+
+/* External I/O Access Control Registers */
+#define EXTACON_EBNPTR (0x3ff << 22) /* Last Address Pointer */
+#define EXTACON_EBBPTR (0x3ff << 12) /* Base Pointer */
+#define EXTACON_EBTACT (7 << 9) /* Write Enable/Output Enable Active Time */
+#define EXTACON_EBTCOH (7 << 6) /* Chip Select Hold Time */
+#define EXTACON_EBTACS (7 << 3) /* Address Setup Time before ECSN */
+#define EXTACON_EBTCOS (7 << 0) /* Chip Select Time before OEN */
+
+/* ROM/SRAM/Flash Control Register */
+#define ROMCON_RBNPTR (0x3ff << 22) /* Next Pointer */
+#define ROMCON_RBBPTR (0x3ff << 12) /* Base Pointer */
+#define ROMCON_RBTACC (7 << 4) /* Access Cycle Time */
+#define ROMCON_RBTPA (3 << 2) /* Page Address Access Time */
+#define ROMCON_PMC (3 << 0) /* Page Mode Configuration */
+#define PMC_NORMAL (0 << 0)
+#define PMC_4WORD (1 << 0)
+#define PMC_8WORD (2 << 0)
+#define PMC_16WORD (3 << 0)
+
+/* External I/O and ROM/SRAM/Flash General Register */
+#define ERGCON_TMULT (3 << 28) /* Time Multiplier */
+#define ERGCON_DSX2 (3 << 20) /* Data Width (External I/O Bank 2) */
+#define ERGCON_DSX1 (3 << 18) /* Data Width (External I/O Bank 1) */
+#define ERGCON_DSX0 (3 << 16) /* Data Width (External I/O Bank 0) */
+#define ERGCON_DSR1 (3 << 2) /* Data Width (ROM/SRAM/Flash Bank 1) */
+#define ERGCON_DSR0 (3 << 0) /* Data Width (ROM/SRAM/Flash Bank 0) */
+
+/* SDRAM Control Register */
+#define SDCON_DBNPTR (0x3ff << 22) /* Last Address Pointer */
+#define SDCON_DBBPTR (0x3ff << 12) /* Base Pointer */
+#define SDCON_DBCAB (3 << 8) /* Column Address Bits */
+#define SDCON_DBBNUM (1 << 3) /* Number of Banks */
+#define SDCON_DBDBW (3 << 1) /* Data Bus Width */
+
+/* SDRAM General Control Register */
+#define SDGCON_SDTRC (3 << 2) /* RAS to CAS latency */
+#define SDGCON_SDCAS (3 << 0) /* CAS latency */
+
+/* SDRAM Buffer Control Register */
+#define SDBCON_SDESTA (1 << 31) /* SDRAM Engine Status */
+#define SDBCON_RBUFBDIS (1 << 24) /* Read Buffer Burst Enable */
+#define SDBCON_WFIFOEN (1 << 23) /* Write FIFO Enable */
+#define SDBCON_RBUFEN (1 << 22) /* Read Buffer Enable */
+#define SDBCON_FLUSHWFIFO (1 << 21) /* Flush Write FIFO */
+#define SDBCON_RBUFINV (1 << 20) /* Read Buffer Invalidate */
+#define SDBCON_SDINI (3 << 16) /* SDRAM Initialization Control */
+#define SDBCON_SDMODE (0x3fff << 0) /* SDRAM Mode Register Value Program */
+
+/* SDRAM Refresh Timer Register */
+#define REFTIM_REFTIM (0xffff << 0) /* Refresh Timer Value */
+
+
+#endif