| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * Configuation settings for the Motorola MC5272C3 board. |
| * |
| * (C) Copyright 2003 Josef Baumgartner <josef.baumgartner@telex.de> |
| */ |
| |
| /* |
| * board/config.h - configuration options, board specific |
| */ |
| |
| #ifndef _M5272C3_H |
| #define _M5272C3_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 66000000 |
| |
| /* |
| * 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 0x10000000 /* Register Base Addrs */ |
| #define CFG_SYS_SCR 0x0003 |
| #define CFG_SYS_SPR 0xffff |
| |
| /*----------------------------------------------------------------------- |
| * Definitions for initial stack pointer and data area (in DPRAM) |
| */ |
| #define CFG_SYS_INIT_RAM_ADDR 0x20000000 |
| #define CFG_SYS_INIT_RAM_SIZE 0x1000 /* 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 4 /* SDRAM size in MB */ |
| #define CFG_SYS_FLASH_BASE 0xffe00000 |
| |
| /* |
| * 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 0x800000 /* Max size that the board might have */ |
| #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_INVI) |
| #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_CINV | \ |
| CF_CACR_DISD | CF_CACR_INVI | \ |
| CF_CACR_CEIB | CF_CACR_DCM | \ |
| CF_CACR_EUSP) |
| |
| /*----------------------------------------------------------------------- |
| * Port configuration |
| */ |
| #define CFG_SYS_PACNT 0x00000000 |
| #define CFG_SYS_PADDR 0x0000 |
| #define CFG_SYS_PADAT 0x0000 |
| #define CFG_SYS_PBCNT 0x55554155 /* Ethernet/UART configuration */ |
| #define CFG_SYS_PBDDR 0x0000 |
| #define CFG_SYS_PBDAT 0x0000 |
| #define CFG_SYS_PDCNT 0x00000000 |
| #endif /* _M5272C3_H */ |