| /* |
| * (C) Copyright 2008, 2009 |
| * Stefan Roese, DENX Software Engineering, sr@denx.de. |
| * |
| * Common configuration options for all AMCC boards |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #ifndef __AMCC_COMMON_H |
| #define __AMCC_COMMON_H |
| |
| |
| #define CONFIG_SYS_SDRAM_BASE 0x00000000 /* _must_ be 0 */ |
| #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE /* Start of U-Boot */ |
| #define CONFIG_SYS_MONITOR_LEN (0xFFFFFFFF - CONFIG_SYS_MONITOR_BASE + 1) |
| #define CONFIG_SYS_MALLOC_LEN (1 << 20) /* Reserved for malloc */ |
| |
| /* |
| * UART |
| */ |
| #define CONFIG_SYS_NS16550_SERIAL |
| #ifndef CONFIG_DM_SERIAL |
| #define CONFIG_SYS_NS16550_REG_SIZE 1 |
| #define CONFIG_SYS_NS16550_CLK get_serial_clock() |
| #endif |
| #define CONFIG_BAUDRATE 115200 |
| #define CONFIG_SYS_BAUDRATE_TABLE \ |
| {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400} |
| |
| /* |
| * I2C |
| */ |
| #define CONFIG_SYS_I2C |
| #define CONFIG_SYS_I2C_PPC4XX |
| #define CONFIG_SYS_I2C_PPC4XX_CH0 |
| #define CONFIG_SYS_I2C_PPC4XX_SLAVE_0 0x7F |
| |
| /* |
| * Ethernet/EMAC/PHY |
| */ |
| #define CONFIG_PPC4xx_EMAC |
| #define CONFIG_MII /* MII PHY management */ |
| #define CONFIG_NETCONSOLE /* include NetConsole support */ |
| #if defined(CONFIG_440) |
| #define CONFIG_SYS_RX_ETH_BUFFER 32 /* number of eth rx buffers */ |
| #else |
| #define CONFIG_SYS_RX_ETH_BUFFER 16 /* number of eth rx buffers */ |
| #endif |
| |
| /* |
| * Commands |
| */ |
| #define CONFIG_CMD_ASKENV |
| #if defined(CONFIG_440) |
| #define CONFIG_CMD_CACHE |
| #endif |
| #define CONFIG_CMD_DHCP |
| #define CONFIG_CMD_DIAG |
| #define CONFIG_CMD_EEPROM |
| #define CONFIG_CMD_GREPENV |
| #define CONFIG_CMD_I2C |
| #define CONFIG_CMD_IRQ |
| #define CONFIG_CMD_MII |
| #define CONFIG_CMD_PING |
| #define CONFIG_CMD_REGINFO |
| |
| /* |
| * Miscellaneous configurable options |
| */ |
| #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ |
| #if defined(CONFIG_CMD_KGDB) |
| #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ |
| #else |
| #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ |
| #endif |
| #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) |
| #define CONFIG_SYS_MAXARGS 16 /* max number of command args */ |
| #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */ |
| |
| #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */ |
| #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ |
| |
| #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */ |
| #define CONFIG_SYS_EXTBDINFO /* To use extended board_into (bd_t) */ |
| |
| #define CONFIG_CMDLINE_EDITING /* add command line history */ |
| #define CONFIG_AUTO_COMPLETE /* add autocompletion support */ |
| #define CONFIG_LOOPW /* enable loopw command */ |
| #define CONFIG_MX_CYCLIC /* enable mdc/mwc commands */ |
| #define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */ |
| #define CONFIG_VERSION_VARIABLE /* include version env variable */ |
| #define CONFIG_SYS_CONSOLE_INFO_QUIET /* don't print console @ startup*/ |
| |
| #define CONFIG_SYS_HUSH_PARSER /* Use the HUSH parser */ |
| |
| #define CONFIG_LOADS_ECHO /* echo on for serial download */ |
| #define CONFIG_SYS_LOADS_BAUD_CHANGE /* allow baudrate change */ |
| |
| /* |
| * BOOTP options |
| */ |
| #define CONFIG_BOOTP_BOOTFILESIZE |
| #define CONFIG_BOOTP_BOOTPATH |
| #define CONFIG_BOOTP_GATEWAY |
| #define CONFIG_BOOTP_HOSTNAME |
| #define CONFIG_BOOTP_SUBNETMASK |
| |
| /* |
| * For booting Linux, the board info and command line data |
| * have to be in the first 16 MB of memory, since this is |
| * the maximum mapped by the 40x Linux kernel during initialization. |
| */ |
| #define CONFIG_SYS_BOOTMAPSZ (16 << 20) /* Initial Memory map for Linux */ |
| #define CONFIG_SYS_BOOTM_LEN (16 << 20) /* Increase max gunzip size */ |
| |
| /* |
| * Internal Definitions |
| */ |
| #if defined(CONFIG_CMD_KGDB) |
| #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port*/ |
| #endif |
| |
| /* |
| * Pass open firmware flat tree |
| */ |
| #define CONFIG_OF_LIBFDT |
| #define CONFIG_OF_BOARD_SETUP |
| /* Update size in "reg" property of NOR FLASH device tree nodes */ |
| #define CONFIG_FDT_FIXUP_NOR_FLASH_SIZE |
| |
| /* |
| * Booting and default environment |
| */ |
| #define CONFIG_PREBOOT "echo;" \ |
| "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \ |
| "echo" |
| #define CONFIG_BOOTCOMMAND "run flash_self" |
| |
| /* |
| * Only very few boards have default console not on ttyS0 (like Taishan) |
| */ |
| #if !defined(CONFIG_USE_TTY) |
| #define CONFIG_USE_TTY ttyS0 |
| #endif |
| |
| /* |
| * Only very few boards have default netdev not set to eth0 (like Arches) |
| */ |
| #if !defined(CONFIG_USE_NETDEV) |
| #define CONFIG_USE_NETDEV eth0 |
| #endif |
| |
| /* |
| * Only some 4xx PPC's are equipped with an FPU |
| */ |
| #if defined(CONFIG_440EP) || defined(CONFIG_440EPX) || \ |
| defined(CONFIG_460EX) || defined(CONFIG_460GT) |
| #define CONFIG_AMCC_DEF_ENV_ROOTPATH "rootpath=/opt/eldk/ppc_4xxFP\0" |
| #else |
| #define CONFIG_AMCC_DEF_ENV_ROOTPATH "rootpath=/opt/eldk/ppc_4xx\0" |
| #endif |
| |
| /* |
| * Only some boards need to extend the bootargs by some additional |
| * parameters (like Makalu) |
| */ |
| #if !defined(CONFIG_ADDMISC) |
| #define CONFIG_ADDMISC "addmisc=setenv bootargs ${bootargs}\0" |
| #endif |
| |
| /* |
| * General common environment variables shared on all AMCC eval boards |
| */ |
| #define CONFIG_AMCC_DEF_ENV \ |
| "netdev=" __stringify(CONFIG_USE_NETDEV) "\0" \ |
| "nfsargs=setenv bootargs root=/dev/nfs rw " \ |
| "nfsroot=${serverip}:${rootpath}\0" \ |
| "ramargs=setenv bootargs root=/dev/ram rw\0" \ |
| "addip=setenv bootargs ${bootargs} " \ |
| "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \ |
| ":${hostname}:${netdev}:off panic=1\0" \ |
| "addtty=setenv bootargs ${bootargs}" \ |
| " console=" __stringify(CONFIG_USE_TTY) ",${baudrate}\0" \ |
| CONFIG_ADDMISC \ |
| "initrd_high=30000000\0" \ |
| "kernel_addr_r=1000000\0" \ |
| "fdt_addr_r=1800000\0" \ |
| "ramdisk_addr_r=1900000\0" \ |
| "hostname=" __stringify(CONFIG_HOSTNAME) "\0" \ |
| "bootfile=" __stringify(CONFIG_HOSTNAME) "/uImage\0" \ |
| "ramdisk_file=" __stringify(CONFIG_HOSTNAME) "/uRamdisk\0" \ |
| CONFIG_AMCC_DEF_ENV_ROOTPATH |
| |
| /* |
| * Default environment for arch/powerpc booting |
| * for boards that are ported to arch/powerpc |
| */ |
| #define CONFIG_AMCC_DEF_ENV_POWERPC \ |
| "flash_self=run ramargs addip addtty addmisc;" \ |
| "bootm ${kernel_addr} ${ramdisk_addr} ${fdt_addr}\0" \ |
| "flash_nfs=run nfsargs addip addtty addmisc;" \ |
| "bootm ${kernel_addr} - ${fdt_addr}\0" \ |
| "net_nfs=tftp ${kernel_addr_r} ${bootfile}; " \ |
| "tftp ${fdt_addr_r} ${fdt_file}; " \ |
| "run nfsargs addip addtty addmisc;" \ |
| "bootm ${kernel_addr_r} - ${fdt_addr_r}\0" \ |
| "net_self_load=tftp ${kernel_addr_r} ${bootfile};" \ |
| "tftp ${fdt_addr_r} ${fdt_file};" \ |
| "tftp ${ramdisk_addr_r} ${ramdisk_file};\0" \ |
| "net_self=run net_self_load;" \ |
| "run ramargs addip addtty addmisc;" \ |
| "bootm ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}\0" \ |
| "fdt_file=" __stringify(CONFIG_HOSTNAME) "/" __stringify(CONFIG_HOSTNAME) ".dtb\0" |
| |
| /* |
| * Default environment for arch/ppc booting, |
| * for boards that are not ported to arch/powerpc yet |
| */ |
| #define CONFIG_AMCC_DEF_ENV_PPC \ |
| "flash_self=run ramargs addip addtty addmisc;" \ |
| "bootm ${kernel_addr} ${ramdisk_addr}\0" \ |
| "flash_nfs=run nfsargs addip addtty addmisc;" \ |
| "bootm ${kernel_addr}\0" \ |
| "net_nfs=tftp ${kernel_addr_r} ${bootfile};" \ |
| "run nfsargs addip addtty addmisc;" \ |
| "bootm ${kernel_addr_r}\0" |
| |
| /* |
| * Default environment for arch/ppc booting (old version), |
| * for boards that are ported to arch/ppc and arch/powerpc |
| */ |
| #define CONFIG_AMCC_DEF_ENV_PPC_OLD \ |
| "flash_self_old=run ramargs addip addtty addmisc;" \ |
| "bootm ${kernel_addr} ${ramdisk_addr}\0" \ |
| "flash_nfs_old=run nfsargs addip addtty addmisc;" \ |
| "bootm ${kernel_addr}\0" \ |
| "net_nfs_old=tftp ${kernel_addr_r} ${bootfile};" \ |
| "run nfsargs addip addtty addmisc;" \ |
| "bootm ${kernel_addr_r}\0" |
| |
| #define CONFIG_AMCC_DEF_ENV_NOR_UPD \ |
| "u-boot=" __stringify(CONFIG_HOSTNAME) "/u-boot.bin\0" \ |
| "load=tftp 200000 ${u-boot}\0" \ |
| "update=protect off " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;" \ |
| "era " __stringify(CONFIG_SYS_MONITOR_BASE) " FFFFFFFF;" \ |
| "cp.b ${fileaddr} " __stringify(CONFIG_SYS_MONITOR_BASE) " ${filesize}\0" \ |
| "upd=run load update\0" \ |
| |
| #endif /* __AMCC_COMMON_H */ |