| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * include/asm-ppc/platforms/prpmc750.h |
| 3 | * |
| 4 | * Definitions for Motorola PrPMC750 board support |
| 5 | * |
| 6 | * Author: Matt Porter <mporter@mvista.com> |
| 7 | * |
| 8 | * 2001-2004 (c) MontaVista, Software, Inc. This file is licensed under |
| 9 | * the terms of the GNU General Public License version 2. This program |
| 10 | * is licensed "as is" without any warranty of any kind, whether express |
| 11 | * or implied. |
| 12 | */ |
| 13 | |
| 14 | #ifdef __KERNEL__ |
| 15 | #ifndef __ASM_PRPMC750_H__ |
| 16 | #define __ASM_PRPMC750_H__ |
| 17 | |
| 18 | /* |
| 19 | * Due to limiations imposed by legacy hardware (primaryily IDE controllers), |
| 20 | * the PrPMC750 carrier board operates using a PReP address map. |
| 21 | * |
| 22 | * From Processor (physical) -> PCI: |
| 23 | * PCI Mem Space: 0xc0000000 - 0xfe000000 -> 0x00000000 - 0x3e000000 (768 MB) |
| 24 | * PCI I/O Space: 0x80000000 - 0x90000000 -> 0x00000000 - 0x10000000 (256 MB) |
| 25 | * Note: Must skip 0xfe000000-0xfe400000 for CONFIG_HIGHMEM/PKMAP area |
| 26 | * |
| 27 | * From PCI -> Processor (physical): |
| 28 | * System Memory: 0x80000000 -> 0x00000000 |
| 29 | */ |
| 30 | |
| 31 | #define PRPMC750_ISA_IO_BASE PREP_ISA_IO_BASE |
| 32 | #define PRPMC750_ISA_MEM_BASE PREP_ISA_MEM_BASE |
| 33 | |
| 34 | /* PCI Memory space mapping info */ |
| 35 | #define PRPMC750_PCI_MEM_SIZE 0x30000000U |
| 36 | #define PRPMC750_PROC_PCI_MEM_START PRPMC750_ISA_MEM_BASE |
| 37 | #define PRPMC750_PROC_PCI_MEM_END (PRPMC750_PROC_PCI_MEM_START + \ |
| 38 | PRPMC750_PCI_MEM_SIZE - 1) |
| 39 | #define PRPMC750_PCI_MEM_START 0x00000000U |
| 40 | #define PRPMC750_PCI_MEM_END (PRPMC750_PCI_MEM_START + \ |
| 41 | PRPMC750_PCI_MEM_SIZE - 1) |
| 42 | |
| 43 | /* PCI I/O space mapping info */ |
| 44 | #define PRPMC750_PCI_IO_SIZE 0x10000000U |
| 45 | #define PRPMC750_PROC_PCI_IO_START PRPMC750_ISA_IO_BASE |
| 46 | #define PRPMC750_PROC_PCI_IO_END (PRPMC750_PROC_PCI_IO_START + \ |
| 47 | PRPMC750_PCI_IO_SIZE - 1) |
| 48 | #define PRPMC750_PCI_IO_START 0x00000000U |
| 49 | #define PRPMC750_PCI_IO_END (PRPMC750_PCI_IO_START + \ |
| 50 | PRPMC750_PCI_IO_SIZE - 1) |
| 51 | |
| 52 | /* System memory mapping info */ |
| 53 | #define PRPMC750_PCI_DRAM_OFFSET PREP_PCI_DRAM_OFFSET |
| 54 | #define PRPMC750_PCI_PHY_MEM_OFFSET (PRPMC750_ISA_MEM_BASE-PRPMC750_PCI_MEM_START) |
| 55 | |
| 56 | /* Register address definitions */ |
| 57 | #define PRPMC750_HAWK_SMC_BASE 0xfef80000U |
| 58 | #define PRPMC750_HAWK_PPC_REG_BASE 0xfeff0000U |
| 59 | |
| 60 | #define PRPMC750_BASE_BAUD 1843200 |
| 61 | #define PRPMC750_SERIAL_0 0xfef88000 |
| 62 | #define PRPMC750_SERIAL_0_DLL (PRPMC750_SERIAL_0 + (UART_DLL << 4)) |
| 63 | #define PRPMC750_SERIAL_0_DLM (PRPMC750_SERIAL_0 + (UART_DLM << 4)) |
| 64 | #define PRPMC750_SERIAL_0_LCR (PRPMC750_SERIAL_0 + (UART_LCR << 4)) |
| 65 | |
| 66 | #define PRPMC750_STATUS_REG 0xfef88080 |
| 67 | #define PRPMC750_BAUDOUT_MASK 0x02 |
| 68 | #define PRPMC750_MONARCH_MASK 0x01 |
| 69 | |
| 70 | #define PRPMC750_MODRST_REG 0xfef880a0 |
| 71 | #define PRPMC750_MODRST_MASK 0x01 |
| 72 | |
| 73 | #define PRPMC750_PIRQ_REG 0xfef880b0 |
| 74 | #define PRPMC750_SEL1_MASK 0x02 |
| 75 | #define PRPMC750_SEL0_MASK 0x01 |
| 76 | |
| 77 | #define PRPMC750_TBEN_REG 0xfef880c0 |
| 78 | #define PRPMC750_TBEN_MASK 0x01 |
| 79 | |
| 80 | /* UART Defines. */ |
| 81 | #define RS_TABLE_SIZE 4 |
| 82 | |
| 83 | /* Rate for the 1.8432 Mhz clock for the onboard serial chip */ |
| 84 | #define BASE_BAUD (PRPMC750_BASE_BAUD / 16) |
| 85 | |
| 86 | #define STD_COM_FLAGS ASYNC_BOOT_AUTOCONF |
| 87 | |
| 88 | #define SERIAL_PORT_DFNS \ |
| 89 | { 0, BASE_BAUD, PRPMC750_SERIAL_0, 1, STD_COM_FLAGS, \ |
| 90 | iomem_base: (unsigned char *)PRPMC750_SERIAL_0, \ |
| 91 | iomem_reg_shift: 4, \ |
| 92 | io_type: SERIAL_IO_MEM } /* ttyS0 */ |
| 93 | |
| 94 | #endif /* __ASM_PRPMC750_H__ */ |
| 95 | #endif /* __KERNEL__ */ |