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Diffstat (limited to 'arch/ppc/boot/include/mpc10x.h')
-rw-r--r--arch/ppc/boot/include/mpc10x.h65
1 files changed, 65 insertions, 0 deletions
diff --git a/arch/ppc/boot/include/mpc10x.h b/arch/ppc/boot/include/mpc10x.h
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+++ b/arch/ppc/boot/include/mpc10x.h
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+/*
+ * arch/ppc/boot/include/mpc10.h
+ *
+ * Common defines for the Motorola SPS MPC106/8240/107 Host bridge/Mem
+ * ctrl/EPIC/etc.
+ *
+ * Author: Tom Rini <trini@mvista.com>
+ *
+ * This is a heavily stripped down version of:
+ * include/asm-ppc/mpc10x.h
+ *
+ * Author: Mark A. Greer
+ * mgreer@mvista.com
+ *
+ * 2001-2002 (c) MontaVista, Software, Inc. 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 __BOOT_MPC10X_H__
+#define __BOOT_MPC10X_H__
+
+/*
+ * The values here don't completely map everything but should work in most
+ * cases.
+ *
+ * MAP A (PReP Map)
+ * Processor: 0x80000000 - 0x807fffff -> PCI I/O: 0x00000000 - 0x007fffff
+ * Processor: 0xc0000000 - 0xdfffffff -> PCI MEM: 0x00000000 - 0x1fffffff
+ * PCI MEM: 0x80000000 -> Processor System Memory: 0x00000000
+ * EUMB mapped to: ioremap_base - 0x00100000 (ioremap_base - 1 MB)
+ *
+ * MAP B (CHRP Map)
+ * Processor: 0xfe000000 - 0xfebfffff -> PCI I/O: 0x00000000 - 0x00bfffff
+ * Processor: 0x80000000 - 0xbfffffff -> PCI MEM: 0x80000000 - 0xbfffffff
+ * PCI MEM: 0x00000000 -> Processor System Memory: 0x00000000
+ * EUMB mapped to: ioremap_base - 0x00100000 (ioremap_base - 1 MB)
+ */
+
+/* Define the type of map to use */
+#define MPC10X_MEM_MAP_A 1
+#define MPC10X_MEM_MAP_B 2
+
+/* Map A (PReP Map) Defines */
+#define MPC10X_MAPA_CNFG_ADDR 0x80000cf8
+#define MPC10X_MAPA_CNFG_DATA 0x80000cfc
+
+/* Map B (CHRP Map) Defines */
+#define MPC10X_MAPB_CNFG_ADDR 0xfec00000
+#define MPC10X_MAPB_CNFG_DATA 0xfee00000
+
+/* Define offsets for the memory controller registers in the config space */
+#define MPC10X_MCTLR_MEM_START_1 0x80 /* Banks 0-3 */
+#define MPC10X_MCTLR_MEM_START_2 0x84 /* Banks 4-7 */
+#define MPC10X_MCTLR_EXT_MEM_START_1 0x88 /* Banks 0-3 */
+#define MPC10X_MCTLR_EXT_MEM_START_2 0x8c /* Banks 4-7 */
+
+#define MPC10X_MCTLR_MEM_END_1 0x90 /* Banks 0-3 */
+#define MPC10X_MCTLR_MEM_END_2 0x94 /* Banks 4-7 */
+#define MPC10X_MCTLR_EXT_MEM_END_1 0x98 /* Banks 0-3 */
+#define MPC10X_MCTLR_EXT_MEM_END_2 0x9c /* Banks 4-7 */
+
+#define MPC10X_MCTLR_MEM_BANK_ENABLES 0xa0
+
+#endif /* __BOOT_MPC10X_H__ */