1/* SPDX-License-Identifier: GPL-2.0+ */ 2/* 3 * Configuation settings for the Motorola MC5282EVB board. 4 * 5 * (C) Copyright 2003 Josef Baumgartner <josef.baumgartner@telex.de> 6 */ 7 8/* 9 * board/config.h - configuration options, board specific 10 */ 11 12#ifndef _CONFIG_M5282EVB_H 13#define _CONFIG_M5282EVB_H 14 15/* 16 * High Level Configuration Options 17 * (easy to change) 18 */ 19 20#define CFG_SYS_UART_PORT (0) 21 22/* Configuration for environment 23 * Environment is embedded in u-boot in the second sector of the flash 24 */ 25 26#define LDS_BOARD_TEXT \ 27 . = DEFINED(env_offset) ? env_offset : .; \ 28 env/embedded.o(.text*); 29 30#define CFG_EXTRA_ENV_SETTINGS \ 31 "netdev=eth0\0" \ 32 "loadaddr=10000\0" \ 33 "u-boot=u-boot.bin\0" \ 34 "load=tftp ${loadaddr) ${u-boot}\0" \ 35 "upd=run load; run prog\0" \ 36 "prog=prot off ffe00000 ffe3ffff;" \ 37 "era ffe00000 ffe3ffff;" \ 38 "cp.b ${loadaddr} ffe00000 ${filesize};"\ 39 "save\0" \ 40 "" 41 42#define CFG_SYS_CLK 64000000 43 44/* PLL Configuration: Ext Clock * 6 (see table 9-4 of MCF user manual) */ 45 46#define CFG_SYS_MFD 0x02 /* PLL Multiplication Factor Devider */ 47#define CFG_SYS_RFD 0x00 /* PLL Reduce Frecuency Devider */ 48 49/* 50 * Low Level Configuration Settings 51 * (address mappings, register initial values, etc.) 52 * You should know what you are doing if you make changes here. 53 */ 54#define CFG_SYS_MBAR 0x40000000 55 56/*----------------------------------------------------------------------- 57 * Definitions for initial stack pointer and data area (in DPRAM) 58 */ 59#define CFG_SYS_INIT_RAM_ADDR 0x20000000 60#define CFG_SYS_INIT_RAM_SIZE 0x10000 /* Size of used area in internal SRAM */ 61 62/*----------------------------------------------------------------------- 63 * Start addresses for the final memory configuration 64 * (Set up by the startup code) 65 * Please note that CFG_SYS_SDRAM_BASE _must_ start at 0 66 */ 67#define CFG_SYS_SDRAM_BASE 0x00000000 68#define CFG_SYS_SDRAM_SIZE 16 /* SDRAM size in MB */ 69#define CFG_SYS_FLASH_BASE CFG_SYS_CS0_BASE 70#define CFG_SYS_INT_FLASH_BASE 0xf0000000 71#define CFG_SYS_INT_FLASH_ENABLE 0x21 72 73/* 74 * For booting Linux, the board info and command line data 75 * have to be in the first 8 MB of memory, since this is 76 * the maximum mapped by the Linux kernel during initialization ?? 77 */ 78#define CFG_SYS_BOOTMAPSZ (CFG_SYS_SDRAM_BASE + (CFG_SYS_SDRAM_SIZE << 20)) 79 80/*----------------------------------------------------------------------- 81 * FLASH organization 82 */ 83#ifdef CONFIG_SYS_FLASH_CFI 84 85# define CFG_SYS_FLASH_SIZE 0x1000000 /* Max size that the board might have */ 86# define CFG_SYS_FLASH_BANKS_LIST { CFG_SYS_FLASH_BASE } 87#endif 88 89/*----------------------------------------------------------------------- 90 * Cache Configuration 91 */ 92 93#define ICACHE_STATUS (CFG_SYS_INIT_RAM_ADDR + \ 94 CFG_SYS_INIT_RAM_SIZE - 8) 95#define DCACHE_STATUS (CFG_SYS_INIT_RAM_ADDR + \ 96 CFG_SYS_INIT_RAM_SIZE - 4) 97#define CFG_SYS_ICACHE_INV (CF_CACR_CINV + CF_CACR_DCM) 98#define CFG_SYS_CACHE_ACR0 (CFG_SYS_SDRAM_BASE | \ 99 CF_ADDRMASK(CFG_SYS_SDRAM_SIZE) | \ 100 CF_ACR_EN | CF_ACR_SM_ALL) 101#define CFG_SYS_CACHE_ICACR (CF_CACR_CENB | CF_CACR_DISD | \ 102 CF_CACR_CEIB | CF_CACR_DBWE | \ 103 CF_CACR_EUSP) 104 105/*----------------------------------------------------------------------- 106 * Memory bank definitions 107 */ 108#define CFG_SYS_CS0_BASE 0xFFE00000 109#define CFG_SYS_CS0_CTRL 0x00001980 110#define CFG_SYS_CS0_MASK 0x001F0001 111 112/*----------------------------------------------------------------------- 113 * Port configuration 114 */ 115#define CFG_SYS_PACNT 0x0000000 /* Port A D[31:24] */ 116#define CFG_SYS_PADDR 0x0000000 117#define CFG_SYS_PADAT 0x0000000 118 119#define CFG_SYS_PBCNT 0x0000000 /* Port B D[23:16] */ 120#define CFG_SYS_PBDDR 0x0000000 121#define CFG_SYS_PBDAT 0x0000000 122 123#define CFG_SYS_PDCNT 0x0000000 /* Port D D[07:00] */ 124 125#define CFG_SYS_PEHLPAR 0xC0 126#define CFG_SYS_PUAPAR 0x0F /* UA0..UA3 = Uart 0 +1 */ 127#define CFG_SYS_DDRUA 0x05 128#define CFG_SYS_PJPAR 0xFF 129 130#define CFG_MCFTMR 131 132#endif /* _CONFIG_M5282EVB_H */ 133