2 * arch/ppc/platforms/mcpn765.h
4 * Definitions for Motorola MCG MCPN765 cPCI Board.
6 * Author: Mark A. Greer
9 * 2001-2004 (c) MontaVista, Software, Inc. This file is licensed under
10 * the terms of the GNU General Public License version 2. This program
11 * is licensed "as is" without any warranty of any kind, whether express
16 * From Processor to PCI:
17 * PCI Mem Space: 0x80000000 - 0xc0000000 -> 0x80000000 - 0xc0000000 (1 GB)
18 * PCI I/O Space: 0xfd800000 - 0xfe000000 -> 0x00000000 - 0x00800000 (8 MB)
19 * Note: Must skip 0xfe000000-0xfe400000 for CONFIG_HIGHMEM/PKMAP area
20 * MPIC in PCI Mem Space: 0xfe800000 - 0xfe830000 (not all used by MPIC)
22 * From PCI to Processor:
23 * System Memory: 0x00000000 -> 0x00000000
26 #ifndef __PPC_PLATFORMS_MCPN765_H
27 #define __PPC_PLATFORMS_MCPN765_H
28 #include <linux/config.h>
30 /* PCI Memory space mapping info */
31 #define MCPN765_PCI_MEM_SIZE 0x40000000U
32 #define MCPN765_PROC_PCI_MEM_START 0x80000000U
33 #define MCPN765_PROC_PCI_MEM_END (MCPN765_PROC_PCI_MEM_START + \
34 MCPN765_PCI_MEM_SIZE - 1)
35 #define MCPN765_PCI_MEM_START 0x80000000U
36 #define MCPN765_PCI_MEM_END (MCPN765_PCI_MEM_START + \
37 MCPN765_PCI_MEM_SIZE - 1)
39 /* PCI I/O space mapping info */
40 #define MCPN765_PCI_IO_SIZE 0x00800000U
41 #define MCPN765_PROC_PCI_IO_START 0xfd800000U
42 #define MCPN765_PROC_PCI_IO_END (MCPN765_PROC_PCI_IO_START + \
43 MCPN765_PCI_IO_SIZE - 1)
44 #define MCPN765_PCI_IO_START 0x00000000U
45 #define MCPN765_PCI_IO_END (MCPN765_PCI_IO_START + \
46 MCPN765_PCI_IO_SIZE - 1)
48 /* System memory mapping info */
49 #define MCPN765_PCI_DRAM_OFFSET 0x00000000U
50 #define MCPN765_PCI_PHY_MEM_OFFSET 0x00000000U
52 #define MCPN765_ISA_MEM_BASE 0x00000000U
53 #define MCPN765_ISA_IO_BASE MCPN765_PROC_PCI_IO_START
55 /* Define base addresses for important sets of registers */
56 #define MCPN765_HAWK_MPIC_BASE 0xfe800000U
57 #define MCPN765_HAWK_SMC_BASE 0xfef80000U
58 #define MCPN765_HAWK_PPC_REG_BASE 0xfeff0000U
60 /* Define MCPN765 board register addresses. */
61 #define MCPN765_BOARD_STATUS_REG 0xfef88080U
62 #define MCPN765_BOARD_MODFAIL_REG 0xfef88090U
63 #define MCPN765_BOARD_MODRST_REG 0xfef880a0U
64 #define MCPN765_BOARD_TBEN_REG 0xfef880c0U
65 #define MCPN765_BOARD_GEOGRAPHICAL_REG 0xfef880e8U
66 #define MCPN765_BOARD_EXT_FEATURE_REG 0xfef880f0U
67 #define MCPN765_BOARD_LAST_RESET_REG 0xfef880f8U
69 /* Defines for UART */
71 /* Define the UART base addresses */
72 #define MCPN765_SERIAL_1 0xfef88000
73 #define MCPN765_SERIAL_2 0xfef88200
74 #define MCPN765_SERIAL_3 0xfef88400
75 #define MCPN765_SERIAL_4 0xfef88600
77 #ifdef CONFIG_SERIAL_MANY_PORTS
78 #define RS_TABLE_SIZE 64
80 #define RS_TABLE_SIZE 4
83 /* Rate for the 1.8432 Mhz clock for the onboard serial chip */
84 #define BASE_BAUD ( 1843200 / 16 )
85 #define UART_CLK 1843200
87 #ifdef CONFIG_SERIAL_DETECT_IRQ
88 #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF|ASYNC_SKIP_TEST|ASYNC_AUTO_IRQ)
90 #define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF|ASYNC_SKIP_TEST)
93 /* All UART IRQ's are wire-OR'd to IRQ 17 */
94 #define STD_SERIAL_PORT_DFNS \
95 { 0, BASE_BAUD, MCPN765_SERIAL_1, 17, STD_COM_FLAGS, /* ttyS0 */\
96 iomem_base: (u8 *)MCPN765_SERIAL_1, \
98 io_type: SERIAL_IO_MEM }, \
99 { 0, BASE_BAUD, MCPN765_SERIAL_2, 17, STD_COM_FLAGS, /* ttyS1 */\
100 iomem_base: (u8 *)MCPN765_SERIAL_2, \
101 iomem_reg_shift: 4, \
102 io_type: SERIAL_IO_MEM }, \
103 { 0, BASE_BAUD, MCPN765_SERIAL_3, 17, STD_COM_FLAGS, /* ttyS2 */\
104 iomem_base: (u8 *)MCPN765_SERIAL_3, \
105 iomem_reg_shift: 4, \
106 io_type: SERIAL_IO_MEM }, \
107 { 0, BASE_BAUD, MCPN765_SERIAL_4, 17, STD_COM_FLAGS, /* ttyS3 */\
108 iomem_base: (u8 *)MCPN765_SERIAL_4, \
109 iomem_reg_shift: 4, \
110 io_type: SERIAL_IO_MEM },
112 #define SERIAL_PORT_DFNS \
115 /* Define the NVRAM/RTC address strobe & data registers */
116 #define MCPN765_PHYS_NVRAM_AS0 0xfef880c8U
117 #define MCPN765_PHYS_NVRAM_AS1 0xfef880d0U
118 #define MCPN765_PHYS_NVRAM_DATA 0xfef880d8U
120 extern void mcpn765_find_bridges(void);
122 #endif /* __PPC_PLATFORMS_MCPN765_H */