mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-24 19:08:50 +09:00
a00eccfebc
This patch adds fdt (flattened device tree) support to all remaining AMCC eval boards. Most newer boards already support device tree. With this patch, all AMCC boards now enable device tree passing from U-Boot to Linux arch/powerpc kernels. Signed-off-by: Stefan Roese <sr@denx.de>
442 lines
17 KiB
C
442 lines
17 KiB
C
/*
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* (C) Copyright 2000-2005
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* (C) Copyright 2005-2007
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* Beijing UD Technology Co., Ltd., taihusupport@amcc.com
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef __CONFIG_H
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#define __CONFIG_H
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#define CONFIG_405EP 1 /* this is a PPC405 CPU */
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#define CONFIG_4xx 1 /* member of PPC4xx family */
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#define CONFIG_TAIHU 1 /* on a taihu board */
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#define CONFIG_BOARD_EARLY_INIT_F 1 /* call board_early_init_f */
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#define CONFIG_SYS_CLK_FREQ 33000000 /* external frequency to pll */
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#define CONFIG_NO_SERIAL_EEPROM
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/*----------------------------------------------------------------------------*/
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#ifdef CONFIG_NO_SERIAL_EEPROM
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/*
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!-------------------------------------------------------------------------------
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! PLL settings for 333MHz CPU, 111MHz PLB/SDRAM, 55MHz EBC, 33MHz PCI,
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! assuming a 33MHz input clock to the 405EP from the C9531.
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!-------------------------------------------------------------------------------
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*/
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#define PLLMR0_333_111_55_37 (PLL_CPUDIV_1 | PLL_PLBDIV_3 | \
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PLL_OPBDIV_2 | PLL_EXTBUSDIV_2 | \
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PLL_MALDIV_1 | PLL_PCIDIV_3)
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#define PLLMR1_333_111_55_37 (PLL_FBKDIV_10 | \
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PLL_FWDDIVA_3 | PLL_FWDDIVB_3 | \
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PLL_TUNE_15_M_40 | PLL_TUNE_VCO_HI)
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#define PLLMR0_333_111_55_111 (PLL_CPUDIV_1 | PLL_PLBDIV_3 | \
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PLL_OPBDIV_2 | PLL_EXTBUSDIV_2 | \
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PLL_MALDIV_1 | PLL_PCIDIV_1)
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#define PLLMR1_333_111_55_111 (PLL_FBKDIV_10 | \
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PLL_FWDDIVA_3 | PLL_FWDDIVB_3 | \
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PLL_TUNE_15_M_40 | PLL_TUNE_VCO_HI)
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#define PLLMR0_DEFAULT PLLMR0_333_111_55_37
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#define PLLMR1_DEFAULT PLLMR1_333_111_55_37
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#define PLLMR0_DEFAULT_PCI66 PLLMR0_333_111_55_111
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#define PLLMR1_DEFAULT_PCI66 PLLMR1_333_111_55_111
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#endif
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/*----------------------------------------------------------------------------*/
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#define CFG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */
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#define CONFIG_ENV_OVERWRITE 1
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#define CONFIG_PREBOOT "echo;" \
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"echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \
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"echo"
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#undef CONFIG_BOOTARGS
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#define CONFIG_EXTRA_ENV_SETTINGS \
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"bootfile=/tftpboot/taihu/uImage\0" \
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"rootpath=/opt/eldk/ppc_4xx\0" \
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"netdev=eth0\0" \
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"hostname=taihu\0" \
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"nfsargs=setenv bootargs root=/dev/nfs rw " \
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"nfsroot=${serverip}:${rootpath}\0" \
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"ramargs=setenv bootargs root=/dev/ram rw\0" \
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"addip=setenv bootargs ${bootargs} " \
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"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
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":${hostname}:${netdev}:off panic=1\0" \
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"addtty=setenv bootargs ${bootargs} console=ttyS0,${baudrate}\0"\
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"flash_nfs=run nfsargs addip addtty;" \
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"bootm ${kernel_addr}\0" \
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"flash_self=run ramargs addip addtty;" \
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"bootm ${kernel_addr} ${ramdisk_addr}\0" \
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"net_nfs=tftp 200000 ${bootfile};run nfsargs addip addtty;" \
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"bootm\0" \
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"kernel_addr=FC000000\0" \
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"ramdisk_addr=FC180000\0" \
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"load=tftp 200000 /tftpboot/taihu/u-boot.bin\0" \
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"update=protect off FFFC0000 FFFFFFFF;era FFFC0000 FFFFFFFF;" \
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"cp.b 200000 FFFC0000 40000\0" \
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"upd=run load update\0" \
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""
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#define CONFIG_BOOTCOMMAND "run flash_self"
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#if 0
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#define CONFIG_BOOTDELAY -1 /* autoboot disabled */
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#else
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#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
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#endif
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#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
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#define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
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#define CONFIG_MII 1 /* MII PHY management */
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#define CONFIG_PHY_ADDR 0x14 /* PHY address */
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#define CONFIG_HAS_ETH0
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#define CONFIG_HAS_ETH1
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#define CONFIG_PHY1_ADDR 0x10 /* EMAC1 PHY address */
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#define CONFIG_NET_MULTI 1
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#define CFG_RX_ETH_BUFFER 16 /* Number of ethernet rx buffers & descriptors */
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#define CONFIG_PHY_RESET 1
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/*
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* BOOTP options
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*/
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#define CONFIG_BOOTP_BOOTFILESIZE
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#define CONFIG_BOOTP_BOOTPATH
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#define CONFIG_BOOTP_GATEWAY
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#define CONFIG_BOOTP_HOSTNAME
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/*
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* Command line configuration.
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*/
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#include <config_cmd_default.h>
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#define CONFIG_CMD_ASKENV
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#define CONFIG_CMD_CACHE
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#define CONFIG_CMD_DHCP
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#define CONFIG_CMD_EEPROM
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#define CONFIG_CMD_ELF
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#define CONFIG_CMD_I2C
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#define CONFIG_CMD_IRQ
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#define CONFIG_CMD_MII
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#define CONFIG_CMD_NET
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#define CONFIG_CMD_PCI
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#define CONFIG_CMD_PING
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#define CONFIG_CMD_REGINFO
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#define CONFIG_CMD_SDRAM
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#define CONFIG_CMD_SPI
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#undef CONFIG_WATCHDOG /* watchdog disabled */
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#undef CONFIG_SPD_EEPROM /* use SPD EEPROM for setup */
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#define CFG_SDRAM_SIZE_PER_BANK 0x04000000 /* 64MB */
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#define CFG_SDRAM_BANKS 2
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/*
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* SDRAM configuration (please see cpu/ppc/sdram.[ch])
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*/
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#define CONFIG_SDRAM_BANK0 1 /* init onboard SDRAM bank 0 */
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#define CONFIG_SDRAM_BANK1 1 /* init onboard SDRAM bank 1 */
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/* SDRAM timings used in datasheet */
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#define CFG_SDRAM_CL 3 /* CAS latency */
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#define CFG_SDRAM_tRP 20 /* PRECHARGE command period */
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#define CFG_SDRAM_tRC 66 /* ACTIVE-to-ACTIVE command period */
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#define CFG_SDRAM_tRCD 20 /* ACTIVE-to-READ delay */
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#define CFG_SDRAM_tRFC 66 /* Auto refresh period */
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/*
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* Miscellaneous configurable options
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*/
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#define CFG_LONGHELP /* undef to save memory */
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#define CFG_PROMPT "=> " /* Monitor Command Prompt */
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#if defined(CONFIG_CMD_KGDB)
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#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
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#else
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#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
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#endif
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#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* print buffer Size */
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#define CFG_MAXARGS 16 /* max number of command args */
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#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
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#define CFG_MEMTEST_START 0x0400000 /* memtest works on */
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#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
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/*
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* If CFG_EXT_SERIAL_CLOCK, then the UART divisor is 1.
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* If CFG_405_UART_ERRATA_59, then UART divisor is 31.
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* Otherwise, UART divisor is determined by CPU Clock and CFG_BASE_BAUD value.
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* The Linux BASE_BAUD define should match this configuration.
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* baseBaud = cpuClock/(uartDivisor*16)
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* If CFG_405_UART_ERRATA_59 and 200MHz CPU clock,
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* set Linux BASE_BAUD to 403200.
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*/
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#undef CONFIG_SERIAL_SOFTWARE_FIFO
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#undef CFG_EXT_SERIAL_CLOCK /* external serial clock */
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#undef CFG_405_UART_ERRATA_59 /* 405GP/CR Rev. D silicon */
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#define CFG_BASE_BAUD 691200
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#define CONFIG_BAUDRATE 115200
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#define CONFIG_UART1_CONSOLE 1
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/* The following table includes the supported baudrates */
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#define CFG_BAUDRATE_TABLE \
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{300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
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#define CFG_LOAD_ADDR 0x100000 /* default load address */
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#define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */
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#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
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#define CONFIG_CMDLINE_EDITING 1 /* add command line history */
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#define CONFIG_LOOPW 1 /* enable loopw command */
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#define CONFIG_MX_CYCLIC 1 /* enable mdc/mwc commands */
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#define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */
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#define CONFIG_VERSION_VARIABLE 1 /* include version env variable */
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#define CFG_CONSOLE_INFO_QUIET 1 /* don't print console @ startup*/
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/*-----------------------------------------------------------------------
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* I2C stuff
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*-----------------------------------------------------------------------
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*/
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#define CONFIG_HARD_I2C 1 /* I2C with hardware support */
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#undef CONFIG_SOFT_I2C /* I2C bit-banged */
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#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
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#define CFG_I2C_SLAVE 0x7F
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#define CFG_I2C_NOPROBES { 0x69 } /* avoid iprobe hangup (why?) */
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#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 6 /* 24C02 requires 5ms delay */
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#define CFG_I2C_EEPROM_ADDR 0x50 /* I2C boot EEPROM (24C02W) */
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#define CFG_I2C_EEPROM_ADDR_LEN 1 /* Bytes of address */
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#define CONFIG_SOFT_SPI
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#define SPI_SCL spi_scl
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#define SPI_SDA spi_sda
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#define SPI_READ spi_read()
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#define SPI_DELAY udelay(2)
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#ifndef __ASSEMBLY__
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void spi_scl(int);
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void spi_sda(int);
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unsigned char spi_read(void);
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#endif
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/* standard dtt sensor configuration */
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#define CONFIG_DTT_DS1775 1
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#define CONFIG_DTT_SENSORS { 0 }
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#define CFG_I2C_DTT_ADDR 0x49
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/*-----------------------------------------------------------------------
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* PCI stuff
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*-----------------------------------------------------------------------
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*/
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#define PCI_HOST_ADAPTER 0 /* configure ar pci adapter */
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#define PCI_HOST_FORCE 1 /* configure as pci host */
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#define PCI_HOST_AUTO 2 /* detected via arbiter enable */
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#define CONFIG_PCI /* include pci support */
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#define CONFIG_PCI_HOST PCI_HOST_FORCE /* select pci host function */
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#define CONFIG_PCI_PNP /* do pci plug-and-play */
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/* resource configuration */
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#define CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */
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#define CFG_PCI_SUBSYS_VENDORID 0x10e8 /* AMCC */
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#define CFG_PCI_SUBSYS_DEVICEID 0xcafe /* Whatever */
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#define CFG_PCI_CLASSCODE 0x0600 /* PCI Class Code: bridge/host */
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#define CFG_PCI_PTM1LA 0x00000000 /* point to sdram */
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#define CFG_PCI_PTM1MS 0x80000001 /* 2GB, enable hard-wired to 1 */
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#define CFG_PCI_PTM1PCI 0x00000000 /* Host: use this pci address */
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#define CFG_PCI_PTM2LA 0x00000000 /* disabled */
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#define CFG_PCI_PTM2MS 0x00000000 /* disabled */
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#define CFG_PCI_PTM2PCI 0x04000000 /* Host: use this pci address */
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#define CONFIG_EEPRO100 1
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/*-----------------------------------------------------------------------
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* Start addresses for the final memory configuration
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* (Set up by the startup code)
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* Please note that CFG_SDRAM_BASE _must_ start at 0
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*/
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#define CFG_SDRAM_BASE 0x00000000
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#define CFG_FLASH_BASE 0xFFE00000
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#define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Monitor */
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#define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */
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#define CFG_MONITOR_BASE (-CFG_MONITOR_LEN)
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/*
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* For booting Linux, the board info and command line data
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* have to be in the first 8 MB of memory, since this is
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* the maximum mapped by the Linux kernel during initialization.
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*/
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#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
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/*-----------------------------------------------------------------------
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* FLASH organization
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*/
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#define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
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#define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
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#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
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#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
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#define CFG_FLASH_ADDR0 0x555
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#define CFG_FLASH_ADDR1 0x2aa
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#define CFG_FLASH_WORD_SIZE unsigned short
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#ifdef CFG_ENV_IS_IN_FLASH
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#define CFG_ENV_SECT_SIZE 0x10000 /* size of one complete sector */
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#define CFG_ENV_ADDR (CFG_MONITOR_BASE-CFG_ENV_SECT_SIZE)
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#define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
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/* Address and size of Redundant Environment Sector */
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#define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR-CFG_ENV_SECT_SIZE)
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#define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
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#endif /* CFG_ENV_IS_IN_FLASH */
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/*-----------------------------------------------------------------------
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* NVRAM organization
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*/
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#define CFG_NVRAM_BASE_ADDR 0xf0000000 /* NVRAM base address */
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#define CFG_NVRAM_SIZE 0x1ff8 /* NVRAM size */
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#ifdef CFG_ENV_IS_IN_NVRAM
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#define CFG_ENV_SIZE 0x0ff8 /* Size of Environment vars */
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#define CFG_ENV_ADDR \
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(CFG_NVRAM_BASE_ADDR+CFG_NVRAM_SIZE-CFG_ENV_SIZE) /* Env*/
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#endif
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/*-----------------------------------------------------------------------
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* PPC405 GPIO Configuration
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*/
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#define CFG_4xx_GPIO_TABLE { /* GPIO Alternate1 */ \
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{ \
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/* GPIO Core 0 */ \
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{ GPIO_BASE, GPIO_OUT, GPIO_SEL, GPIO_OUT_NO_CHG }, /* GPIO0 PerBLast SPI CS */ \
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{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO1 TS1E */ \
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{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO2 TS2E */ \
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{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO3 TS1O */ \
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{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO4 TS2O */ \
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{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO5 TS3 */ \
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{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO6 TS4 */ \
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{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO7 TS5 */ \
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{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO8 TS6 */ \
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{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO9 TrcClk */ \
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{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO10 PerCS1 */ \
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{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO11 PerCS2 */ \
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{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO12 PerCS3 */ \
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{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO13 PerCS4 */ \
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{ GPIO_BASE, GPIO_OUT, GPIO_SEL, GPIO_OUT_NO_CHG }, /* GPIO14 PerAddr03 SPI SCLK */ \
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{ GPIO_BASE, GPIO_IN, GPIO_SEL, GPIO_OUT_NO_CHG }, /* GPIO15 PerAddr04 SPI DI */ \
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{ GPIO_BASE, GPIO_OUT, GPIO_SEL, GPIO_OUT_NO_CHG }, /* GPIO16 PerAddr05 SPI DO */ \
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{ GPIO_BASE, GPIO_IN, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO17 IRQ0 PCI INTA */ \
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{ GPIO_BASE, GPIO_IN, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO18 IRQ1 PCI INTB */ \
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{ GPIO_BASE, GPIO_IN, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO19 IRQ2 PCI INTC */ \
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{ GPIO_BASE, GPIO_IN, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO20 IRQ3 PCI INTD */ \
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{ GPIO_BASE, GPIO_IN, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO21 IRQ4 USB */ \
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{ GPIO_BASE, GPIO_IN, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO22 IRQ5 EBC */ \
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{ GPIO_BASE, GPIO_OUT, GPIO_SEL, GPIO_OUT_NO_CHG }, /* GPIO23 IRQ6 unused */ \
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{ GPIO_BASE, GPIO_IN, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO24 UART0_DCD UART1 */ \
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{ GPIO_BASE, GPIO_IN, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO25 UART0_DSR */ \
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{ GPIO_BASE, GPIO_IN, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO26 UART0_RI */ \
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{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO27 UART0_DTR */ \
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{ GPIO_BASE, GPIO_IN, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO28 UART1_Rx UART0 */ \
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{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO29 UART1_Tx */ \
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{ GPIO_BASE, GPIO_OUT, GPIO_SEL, GPIO_OUT_NO_CHG }, /* GPIO30 RejectPkt0 User LED1 */ \
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{ GPIO_BASE, GPIO_OUT, GPIO_SEL, GPIO_OUT_NO_CHG }, /* GPIO31 RejectPkt1 User LED2 */ \
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} \
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}
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/*
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* Init Memory Controller:
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*
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* BR0/1 and OR0/1 (FLASH)
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*/
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#define FLASH_BASE0_PRELIM CFG_FLASH_BASE /* FLASH bank #0 */
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#define FLASH_BASE1_PRELIM 0xFC000000 /* FLASH bank #1 */
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/*-----------------------------------------------------------------------
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* Definitions for initial stack pointer and data area (in data cache)
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*/
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/* use on chip memory (OCM) for temperary stack until sdram is tested */
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#define CFG_TEMP_STACK_OCM 1
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/* On Chip Memory location */
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#define CFG_OCM_DATA_ADDR 0xF8000000
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#define CFG_OCM_DATA_SIZE 0x1000
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#define CFG_INIT_RAM_ADDR CFG_OCM_DATA_ADDR /* inside of SDRAM */
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#define CFG_INIT_RAM_END CFG_OCM_DATA_SIZE /* End of used area in RAM */
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#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
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#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
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#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
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/*-----------------------------------------------------------------------
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* External Bus Controller (EBC) Setup
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*/
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/* Memory Bank 0 (Flash/SRAM) initialization */
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#define CFG_EBC_PB0AP 0x03815600
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#define CFG_EBC_PB0CR 0xFFE3A000 /* BAS=0xFFE,BS=2MB,BU=R/W,BW=16bit */
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/* Memory Bank 1 (NVRAM/RTC) initialization */
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#define CFG_EBC_PB1AP 0x05815600
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#define CFG_EBC_PB1CR 0xFC0BA000 /* BAS=0xFc0,BS=32MB,BU=R/W,BW=16bit */
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/* Memory Bank 2 (USB device) initialization */
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#define CFG_EBC_PB2AP 0x03016600
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#define CFG_EBC_PB2CR 0x50018000 /* BAS=0x500,BS=1MB,BU=R/W,BW=8bit */
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/* Memory Bank 3 (LCM and D-flip-flop) initialization */
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#define CFG_EBC_PB3AP 0x158FF600
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#define CFG_EBC_PB3CR 0x50118000 /* BAS=0x501,BS=1MB,BU=R/W,BW=8bit */
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/* Memory Bank 4 (not install) initialization */
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#define CFG_EBC_PB4AP 0x158FF600
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#define CFG_EBC_PB4CR 0x5021A000
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#define CPLD_REG0_ADDR 0x50100000
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#define CPLD_REG1_ADDR 0x50100001
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/*
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* Internal Definitions
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*
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* Boot Flags
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*/
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#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
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#define BOOTFLAG_WARM 0x02 /* Software reboot */
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#if defined(CONFIG_CMD_KGDB)
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#define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
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#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
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#endif
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/* pass open firmware flat tree */
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#define CONFIG_OF_LIBFDT 1
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#define CONFIG_OF_BOARD_SETUP 1
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#endif /* __CONFIG_H */
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