1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Configuation settings for the BuS EB+CPU5283 boards (aka EB+MCF-EV123) 4 * 5 * (C) Copyright 2005-2009 BuS Elektronik GmbH & Co.KG <esw@bus-elektonik.de> 6 */ 7 8 #ifndef _CONFIG_EB_CPU5282_H_ 9 #define _CONFIG_EB_CPU5282_H_ 10 11 /*----------------------------------------------------------------------* 12 * High Level Configuration Options (easy to change) * 13 *----------------------------------------------------------------------*/ 14 15 #define CFG_SYS_UART_PORT (0) 16 17 /*----------------------------------------------------------------------* 18 * Options * 19 *----------------------------------------------------------------------*/ 20 21 #define STATUS_LED_ACTIVE 0 22 23 /*----------------------------------------------------------------------* 24 * Configuration for environment * 25 * Environment is in the second sector of the first 256k of flash * 26 *----------------------------------------------------------------------*/ 27 28 /*#define CFG_SYS_DRAM_TEST 1 */ 29 #undef CFG_SYS_DRAM_TEST 30 31 /*----------------------------------------------------------------------* 32 * Clock and PLL Configuration * 33 *----------------------------------------------------------------------*/ 34 #define CFG_SYS_CLK 80000000 /* 8MHz * 8 */ 35 36 /* PLL Configuration: Ext Clock * 8 (see table 9-4 of MCF user manual) */ 37 38 #define CFG_SYS_MFD 0x02 /* PLL Multiplication Factor Devider */ 39 #define CFG_SYS_RFD 0x00 /* PLL Reduce Frecuency Devider */ 40 41 /*----------------------------------------------------------------------* 42 * Network * 43 *----------------------------------------------------------------------*/ 44 45 /*------------------------------------------------------------------------- 46 * Low Level Configuration Settings 47 * (address mappings, register initial values, etc.) 48 * You should know what you are doing if you make changes here. 49 *-----------------------------------------------------------------------*/ 50 51 #define CFG_SYS_MBAR 0x40000000 52 53 /*----------------------------------------------------------------------- 54 * Definitions for initial stack pointer and data area (in DPRAM) 55 *-----------------------------------------------------------------------*/ 56 57 #define CFG_SYS_INIT_RAM_ADDR 0x20000000 58 #define CFG_SYS_INIT_RAM_SIZE 0x10000 59 60 /*----------------------------------------------------------------------- 61 * Start addresses for the final memory configuration 62 * (Set up by the startup code) 63 * Please note that CFG_SYS_SDRAM_BASE _must_ start at 0 64 */ 65 #define CFG_SYS_SDRAM_BASE0 0x00000000 66 #define CFG_SYS_SDRAM_SIZE0 16 /* SDRAM size in MB */ 67 68 #define CFG_SYS_SDRAM_BASE CFG_SYS_SDRAM_BASE0 69 #define CFG_SYS_SDRAM_SIZE CFG_SYS_SDRAM_SIZE0 70 71 /* 72 * For booting Linux, the board info and command line data 73 * have to be in the first 8 MB of memory, since this is 74 * the maximum mapped by the Linux kernel during initialization ?? 75 */ 76 #define CFG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ 77 78 /*----------------------------------------------------------------------- 79 * FLASH organization 80 */ 81 82 #define CFG_SYS_FLASH_BASE CFG_SYS_CS0_BASE 83 #define CFG_SYS_INT_FLASH_BASE 0xF0000000 84 #define CFG_SYS_INT_FLASH_ENABLE 0x21 85 86 #define CFG_SYS_FLASH_SIZE 16*1024*1024 87 88 #define CFG_SYS_FLASH_BANKS_LIST { CFG_SYS_FLASH_BASE } 89 90 /*----------------------------------------------------------------------- 91 * Cache Configuration 92 */ 93 94 #define ICACHE_STATUS (CFG_SYS_INIT_RAM_ADDR + \ 95 CFG_SYS_INIT_RAM_SIZE - 8) 96 #define DCACHE_STATUS (CFG_SYS_INIT_RAM_ADDR + \ 97 CFG_SYS_INIT_RAM_SIZE - 4) 98 #define CFG_SYS_ICACHE_INV (CF_CACR_CINV + CF_CACR_DCM) 99 #define CFG_SYS_CACHE_ACR0 (CFG_SYS_SDRAM_BASE | \ 100 CF_ADDRMASK(CFG_SYS_SDRAM_SIZE) | \ 101 CF_ACR_EN | CF_ACR_SM_ALL) 102 #define CFG_SYS_CACHE_ICACR (CF_CACR_CENB | CF_CACR_DISD | \ 103 CF_CACR_CEIB | CF_CACR_DBWE | \ 104 CF_CACR_EUSP) 105 106 /*----------------------------------------------------------------------- 107 * Memory bank definitions 108 */ 109 110 #define CFG_SYS_CS0_BASE 0xFF000000 111 #define CFG_SYS_CS0_CTRL 0x00001980 112 #define CFG_SYS_CS0_MASK 0x00FF0001 113 114 #define CFG_SYS_CS2_BASE 0xE0000000 115 #define CFG_SYS_CS2_CTRL 0x00001980 116 #define CFG_SYS_CS2_MASK 0x000F0001 117 118 #define CFG_SYS_CS3_BASE 0xE0100000 119 #define CFG_SYS_CS3_CTRL 0x00001980 120 #define CFG_SYS_CS3_MASK 0x000F0001 121 122 /*----------------------------------------------------------------------- 123 * Port configuration 124 */ 125 #define CFG_SYS_PACNT 0x0000000 /* Port A D[31:24] */ 126 #define CFG_SYS_PADDR 0x0000000 127 #define CFG_SYS_PADAT 0x0000000 128 129 #define CFG_SYS_PBCNT 0x0000000 /* Port B D[23:16] */ 130 #define CFG_SYS_PBDDR 0x0000000 131 #define CFG_SYS_PBDAT 0x0000000 132 133 #define CFG_SYS_PDCNT 0x0000000 /* Port D D[07:00] */ 134 135 #define CFG_SYS_PASPAR 0x0F0F 136 #define CFG_SYS_PEHLPAR 0xC0 137 #define CFG_SYS_PUAPAR 0x0F 138 #define CFG_SYS_DDRUA 0x05 139 #define CFG_SYS_PJPAR 0xFF 140 141 142 #endif /* _CONFIG_M5282EVB_H */ 143 /*---------------------------------------------------------------------*/ 144