/* SPDX-License-Identifier: GPL-2.0+ */ /* * Configuation settings for the Motorola MC5282EVB board. * * (C) Copyright 2003 Josef Baumgartner */ /* * board/config.h - configuration options, board specific */ #ifndef _CONFIG_M5282EVB_H #define _CONFIG_M5282EVB_H /* * High Level Configuration Options * (easy to change) */ #define CFG_SYS_UART_PORT (0) /* Configuration for environment * Environment is embedded in u-boot in the second sector of the flash */ #define LDS_BOARD_TEXT \ . = DEFINED(env_offset) ? env_offset : .; \ env/embedded.o(.text*); #define CFG_EXTRA_ENV_SETTINGS \ "netdev=eth0\0" \ "loadaddr=10000\0" \ "u-boot=u-boot.bin\0" \ "load=tftp ${loadaddr) ${u-boot}\0" \ "upd=run load; run prog\0" \ "prog=prot off ffe00000 ffe3ffff;" \ "era ffe00000 ffe3ffff;" \ "cp.b ${loadaddr} ffe00000 ${filesize};"\ "save\0" \ "" #define CFG_SYS_CLK 64000000 /* PLL Configuration: Ext Clock * 6 (see table 9-4 of MCF user manual) */ #define CFG_SYS_MFD 0x02 /* PLL Multiplication Factor Devider */ #define CFG_SYS_RFD 0x00 /* PLL Reduce Frecuency Devider */ /* * Low Level Configuration Settings * (address mappings, register initial values, etc.) * You should know what you are doing if you make changes here. */ #define CFG_SYS_MBAR 0x40000000 /*----------------------------------------------------------------------- * Definitions for initial stack pointer and data area (in DPRAM) */ #define CFG_SYS_INIT_RAM_ADDR 0x20000000 #define CFG_SYS_INIT_RAM_SIZE 0x10000 /* Size of used area in internal SRAM */ /*----------------------------------------------------------------------- * Start addresses for the final memory configuration * (Set up by the startup code) * Please note that CFG_SYS_SDRAM_BASE _must_ start at 0 */ #define CFG_SYS_SDRAM_BASE 0x00000000 #define CFG_SYS_SDRAM_SIZE 16 /* SDRAM size in MB */ #define CFG_SYS_FLASH_BASE CFG_SYS_CS0_BASE #define CFG_SYS_INT_FLASH_BASE 0xf0000000 #define CFG_SYS_INT_FLASH_ENABLE 0x21 /* * For booting Linux, the board info and command line data * have to be in the first 8 MB of memory, since this is * the maximum mapped by the Linux kernel during initialization ?? */ #define CFG_SYS_BOOTMAPSZ (CFG_SYS_SDRAM_BASE + (CFG_SYS_SDRAM_SIZE << 20)) /*----------------------------------------------------------------------- * FLASH organization */ #ifdef CONFIG_SYS_FLASH_CFI # define CFG_SYS_FLASH_SIZE 0x1000000 /* Max size that the board might have */ # define CFG_SYS_FLASH_BANKS_LIST { CFG_SYS_FLASH_BASE } #endif /*----------------------------------------------------------------------- * Cache Configuration */ #define ICACHE_STATUS (CFG_SYS_INIT_RAM_ADDR + \ CFG_SYS_INIT_RAM_SIZE - 8) #define DCACHE_STATUS (CFG_SYS_INIT_RAM_ADDR + \ CFG_SYS_INIT_RAM_SIZE - 4) #define CFG_SYS_ICACHE_INV (CF_CACR_CINV + CF_CACR_DCM) #define CFG_SYS_CACHE_ACR0 (CFG_SYS_SDRAM_BASE | \ CF_ADDRMASK(CFG_SYS_SDRAM_SIZE) | \ CF_ACR_EN | CF_ACR_SM_ALL) #define CFG_SYS_CACHE_ICACR (CF_CACR_CENB | CF_CACR_DISD | \ CF_CACR_CEIB | CF_CACR_DBWE | \ CF_CACR_EUSP) /*----------------------------------------------------------------------- * Memory bank definitions */ #define CFG_SYS_CS0_BASE 0xFFE00000 #define CFG_SYS_CS0_CTRL 0x00001980 #define CFG_SYS_CS0_MASK 0x001F0001 /*----------------------------------------------------------------------- * Port configuration */ #define CFG_SYS_PACNT 0x0000000 /* Port A D[31:24] */ #define CFG_SYS_PADDR 0x0000000 #define CFG_SYS_PADAT 0x0000000 #define CFG_SYS_PBCNT 0x0000000 /* Port B D[23:16] */ #define CFG_SYS_PBDDR 0x0000000 #define CFG_SYS_PBDAT 0x0000000 #define CFG_SYS_PDCNT 0x0000000 /* Port D D[07:00] */ #define CFG_SYS_PEHLPAR 0xC0 #define CFG_SYS_PUAPAR 0x0F /* UA0..UA3 = Uart 0 +1 */ #define CFG_SYS_DDRUA 0x05 #define CFG_SYS_PJPAR 0xFF #endif /* _CONFIG_M5282EVB_H */