amcc-common.h
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/*
* (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_GENERIC_BOARD
#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
#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
*/
#include <config_cmd_default.h>
#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_ELF
#define CONFIG_CMD_GREPENV
#define CONFIG_CMD_I2C
#define CONFIG_CMD_IRQ
#define CONFIG_CMD_MII
#define CONFIG_CMD_NET
#define CONFIG_CMD_NFS
#define CONFIG_CMD_PING
#define CONFIG_CMD_REGINFO
#define CONFIG_CMD_SETEXPR
/*
* Miscellaneous configurable options
*/
#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
#define CONFIG_SYS_LONGHELP /* undef to save memory */
#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 */
#define CONFIG_REGEX /* Enable regular expression support */
/*
* 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 */