2 * arch/ppc/kernel/mpc10x.h
4 * Common routines for the Motorola SPS MPC106/8240/107 Host bridge/Mem
7 * Author: Mark A. Greer
10 * 2001 (c) MontaVista, Software, Inc. This file is licensed under
11 * the terms of the GNU General Public License version 2. This program
12 * is licensed "as is" without any warranty of any kind, whether express
15 #ifndef __PPC_KERNEL_MPC10X_H
16 #define __PPC_KERNEL_MPC10X_H
18 #include <linux/pci_ids.h>
19 #include <asm/pci-bridge.h>
22 * The values here don't completely map everything but should work in most
26 * Processor: 0x80000000 - 0x807fffff -> PCI I/O: 0x00000000 - 0x007fffff
27 * Processor: 0xc0000000 - 0xdfffffff -> PCI MEM: 0x00000000 - 0x1fffffff
28 * PCI MEM: 0x80000000 -> Processor System Memory: 0x00000000
29 * EUMB mapped to: ioremap_base - 0x00100000 (ioremap_base - 1 MB)
32 * Processor: 0xfe000000 - 0xfebfffff -> PCI I/O: 0x00000000 - 0x00bfffff
33 * Processor: 0x80000000 - 0xbfffffff -> PCI MEM: 0x80000000 - 0xbfffffff
34 * PCI MEM: 0x00000000 -> Processor System Memory: 0x00000000
35 * EUMB mapped to: ioremap_base - 0x00100000 (ioremap_base - 1 MB)
39 * Define the vendor/device IDs for the various bridges--should be added to
42 #define MPC10X_BRIDGE_106 ((PCI_DEVICE_ID_MOTOROLA_MPC106 << 16) | \
43 PCI_VENDOR_ID_MOTOROLA)
44 #define MPC10X_BRIDGE_8240 ((0x0003 << 16) | PCI_VENDOR_ID_MOTOROLA)
45 #define MPC10X_BRIDGE_107 ((0x0004 << 16) | PCI_VENDOR_ID_MOTOROLA)
46 #define MPC10X_BRIDGE_8245 ((0x0006 << 16) | PCI_VENDOR_ID_MOTOROLA)
48 /* Define the type of map to use */
49 #define MPC10X_MEM_MAP_A 1
50 #define MPC10X_MEM_MAP_B 2
52 /* Map A (PReP Map) Defines */
53 #define MPC10X_MAPA_CNFG_ADDR 0x80000cf8
54 #define MPC10X_MAPA_CNFG_DATA 0x80000cfc
56 #define MPC10X_MAPA_ISA_IO_BASE 0x80000000
57 #define MPC10X_MAPA_ISA_MEM_BASE 0xc0000000
58 #define MPC10X_MAPA_DRAM_OFFSET 0x80000000
60 #define MPC10X_MAPA_PCI_INTACK_ADDR 0xbffffff0
61 #define MPC10X_MAPA_PCI_IO_START 0x00000000
62 #define MPC10X_MAPA_PCI_IO_END (0x00800000 - 1)
63 #define MPC10X_MAPA_PCI_MEM_START 0x00000000
64 #define MPC10X_MAPA_PCI_MEM_END (0x20000000 - 1)
66 #define MPC10X_MAPA_PCI_MEM_OFFSET (MPC10X_MAPA_ISA_MEM_BASE - \
67 MPC10X_MAPA_PCI_MEM_START)
69 /* Map B (CHRP Map) Defines */
70 #define MPC10X_MAPB_CNFG_ADDR 0xfec00000
71 #define MPC10X_MAPB_CNFG_DATA 0xfee00000
73 #define MPC10X_MAPB_ISA_IO_BASE 0xfe000000
74 #define MPC10X_MAPB_ISA_MEM_BASE 0x80000000
75 #define MPC10X_MAPB_DRAM_OFFSET 0x00000000
77 #define MPC10X_MAPB_PCI_INTACK_ADDR 0xfef00000
78 #define MPC10X_MAPB_PCI_IO_START 0x00000000
79 #define MPC10X_MAPB_PCI_IO_END (0x00c00000 - 1)
80 #define MPC10X_MAPB_PCI_MEM_START 0x80000000
81 #define MPC10X_MAPB_PCI_MEM_END (0xc0000000 - 1)
83 #define MPC10X_MAPB_PCI_MEM_OFFSET (MPC10X_MAPB_ISA_MEM_BASE - \
84 MPC10X_MAPB_PCI_MEM_START)
86 /* Set hose members to values appropriate for the mem map used */
87 #define MPC10X_SETUP_HOSE(hose, map) { \
88 (hose)->pci_mem_offset = MPC10X_MAP##map##_PCI_MEM_OFFSET; \
89 (hose)->io_space.start = MPC10X_MAP##map##_PCI_IO_START; \
90 (hose)->io_space.end = MPC10X_MAP##map##_PCI_IO_END; \
91 (hose)->mem_space.start = MPC10X_MAP##map##_PCI_MEM_START; \
92 (hose)->mem_space.end = MPC10X_MAP##map##_PCI_MEM_END; \
93 (hose)->io_base_virt = (void *)MPC10X_MAP##map##_ISA_IO_BASE; \
97 /* Miscellaneous Configuration register offsets */
98 #define MPC10X_CFG_PIR_REG 0x09
99 #define MPC10X_CFG_PIR_HOST_BRIDGE 0x00
100 #define MPC10X_CFG_PIR_AGENT 0x01
102 #define MPC10X_CFG_EUMBBAR 0x78
104 #define MPC10X_CFG_PICR1_REG 0xa8
105 #define MPC10X_CFG_PICR1_ADDR_MAP_MASK 0x00010000
106 #define MPC10X_CFG_PICR1_ADDR_MAP_A 0x00010000
107 #define MPC10X_CFG_PICR1_ADDR_MAP_B 0x00000000
108 #define MPC10X_CFG_PICR1_SPEC_PCI_RD 0x00000004
109 #define MPC10X_CFG_PICR1_ST_GATH_EN 0x00000040
111 #define MPC10X_CFG_PICR2_REG 0xac
112 #define MPC10X_CFG_PICR2_COPYBACK_OPT 0x00000001
114 #define MPC10X_CFG_MAPB_OPTIONS_REG 0xe0
115 #define MPC10X_CFG_MAPB_OPTIONS_CFAE 0x80 /* CPU_FD_ALIAS_EN */
116 #define MPC10X_CFG_MAPB_OPTIONS_PFAE 0x40 /* PCI_FD_ALIAS_EN */
117 #define MPC10X_CFG_MAPB_OPTIONS_DR 0x20 /* DLL_RESET */
118 #define MPC10X_CFG_MAPB_OPTIONS_PCICH 0x08 /* PCI_COMPATIBILITY_HOLE */
119 #define MPC10X_CFG_MAPB_OPTIONS_PROCCH 0x04 /* PROC_COMPATIBILITY_HOLE */
121 /* Define offsets for the memory controller registers in the config space */
122 #define MPC10X_MCTLR_MEM_START_1 0x80 /* Banks 0-3 */
123 #define MPC10X_MCTLR_MEM_START_2 0x84 /* Banks 4-7 */
124 #define MPC10X_MCTLR_EXT_MEM_START_1 0x88 /* Banks 0-3 */
125 #define MPC10X_MCTLR_EXT_MEM_START_2 0x8c /* Banks 4-7 */
127 #define MPC10X_MCTLR_MEM_END_1 0x90 /* Banks 0-3 */
128 #define MPC10X_MCTLR_MEM_END_2 0x94 /* Banks 4-7 */
129 #define MPC10X_MCTLR_EXT_MEM_END_1 0x98 /* Banks 0-3 */
130 #define MPC10X_MCTLR_EXT_MEM_END_2 0x9c /* Banks 4-7 */
132 #define MPC10X_MCTLR_MEM_BANK_ENABLES 0xa0
134 /* Define some offset in the EUMB */
135 #define MPC10X_EUMB_SIZE 0x00100000 /* Total EUMB size (1MB) */
137 #define MPC10X_EUMB_MU_OFFSET 0x00000000 /* Msg Unit reg offset */
138 #define MPC10X_EUMB_MU_SIZE 0x00001000 /* Msg Unit reg size */
139 #define MPC10X_EUMB_DMA_OFFSET 0x00001000 /* DMA Unit reg offset */
140 #define MPC10X_EUMB_DMA_SIZE 0x00001000 /* DMA Unit reg size */
141 #define MPC10X_EUMB_ATU_OFFSET 0x00002000 /* Addr xlate reg offset */
142 #define MPC10X_EUMB_ATU_SIZE 0x00001000 /* Addr xlate reg size */
143 #define MPC10X_EUMB_I2C_OFFSET 0x00003000 /* I2C Unit reg offset */
144 #define MPC10X_EUMB_I2C_SIZE 0x00001000 /* I2C Unit reg size */
145 #define MPC10X_EUMB_DUART_OFFSET 0x00004000 /* DUART Unit reg offset (8245) */
146 #define MPC10X_EUMB_DUART_SIZE 0x00001000 /* DUART Unit reg size (8245) */
147 #define MPC10X_EUMB_EPIC_OFFSET 0x00040000 /* EPIC offset in EUMB */
148 #define MPC10X_EUMB_EPIC_SIZE 0x00030000 /* EPIC size */
149 #define MPC10X_EUMB_PM_OFFSET 0x000fe000 /* Performance Monitor reg offset (8245) */
150 #define MPC10X_EUMB_PM_SIZE 0x00001000 /* Performance Monitor reg size (8245) */
151 #define MPC10X_EUMB_WP_OFFSET 0x000ff000 /* Data path diagnostic, watchpoint reg offset */
152 #define MPC10X_EUMB_WP_SIZE 0x00001000 /* Data path diagnostic, watchpoint reg size */
155 * Define some recommended places to put the EUMB regs.
156 * For both maps, recommend putting the EUMB from 0xeff00000 to 0xefffffff.
158 extern unsigned long ioremap_base;
159 #define MPC10X_MAPA_EUMB_BASE (ioremap_base - MPC10X_EUMB_SIZE)
160 #define MPC10X_MAPB_EUMB_BASE MPC10X_MAPA_EUMB_BASE
163 int mpc10x_bridge_init(struct pci_controller *hose,
166 uint phys_eumb_base);
167 unsigned long mpc10x_get_mem_size(uint mem_map);
168 int mpc10x_enable_store_gathering(struct pci_controller *hose);
169 int mpc10x_disable_store_gathering(struct pci_controller *hose);
171 /* For MPC107 boards that use the built-in openpic */
172 void mpc10x_set_openpic(void);
174 #endif /* __PPC_KERNEL_MPC10X_H */