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/*
* 2004-2005 Gary Jennejohn <garyj@denx.de>
*
* Configuration settings for the CMC PU2 board.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef __CONFIG_H
#define __CONFIG_H
/*
* If we are developing, we might want to start armboot from ram
* so we MUST NOT initialize critical regs like mem-timing ...
*/
#define CONFIG_INIT_CRITICAL
/* ARM asynchronous clock */
#define AT91C_MAIN_CLOCK 207360000 /* from 18.432 MHz crystal (18432000 / 4 * 45) */
#define AT91C_MASTER_CLOCK 69120000 /* peripheral clock (AT91C_MASTER_CLOCK / 3) */
#define AT91_SLOW_CLOCK 32768 /* slow clock */
#define CONFIG_AT91RM9200DK 1 /* on an AT91RM9200DK Board */
#define CONFIG_CMC_PU2 1 /* on an CMC_PU2 Board */
#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
#define CONFIG_SETUP_MEMORY_TAGS 1
#define CONFIG_INITRD_TAG 1
#ifdef CONFIG_INIT_CRITICAL
#define CFG_USE_MAIN_OSCILLATOR 1
/* flash */
#define MC_PUIA_VAL 0x00000000
#define MC_PUP_VAL 0x00000000
#define MC_PUER_VAL 0x00000000
#define MC_ASR_VAL 0x00000000
#define MC_AASR_VAL 0x00000000
#define EBI_CFGR_VAL 0x00000000
#define SMC2_CSR_VAL 0x100032ad /* 16bit, 2 TDF, 4 WS */
/* clocks */
#define PLLAR_VAL 0x202CBE04 /* 207.360 MHz for PCK */
#define PLLBR_VAL 0x10483E0E /* 48.054857 MHz (divider by 2 for USB) */
#define MCKR_VAL 0x00000202 /* PCK/3 = MCK Master Clock = 69.120MHz from PLLA */
/* sdram */
#define PIOC_ASR_VAL 0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */
#define PIOC_BSR_VAL 0x00000000
#define PIOC_PDR_VAL 0xFFFF0000
#define EBI_CSA_VAL 0x00000002 /* CS1=SDRAM */
#define SDRC_CR_VAL 0x3399c1d4 /* set up the SDRAM */
#define SDRAM 0x20000000 /* address of the SDRAM */
#define SDRAM1 0x20000080 /* address of the SDRAM */
#define SDRAM_VAL 0x00000000 /* value written to SDRAM */
#define SDRC_MR_VAL 0x00000002 /* Precharge All */
#define SDRC_MR_VAL1 0x00000004 /* refresh */
#define SDRC_MR_VAL2 0x00000003 /* Load Mode Register */
#define SDRC_MR_VAL3 0x00000000 /* Normal Mode */
#define SDRC_TR_VAL 0x000002E0 /* Write refresh rate */
#endif /* CONFIG_INIT_CRITICAL */
/*
* Size of malloc() pool
*/
#define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024)
#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
#define CONFIG_BAUDRATE 9600
#define CFG_AT91C_BRGR_DIVISOR 450 /* hardcode so no __divsi3 : AT91C_MASTER_CLOCK /(baudrate * 16) */
/*
* Hardware drivers
*/
/* define one of these to choose the DBGU, USART0 or USART1 as console */
#undef CONFIG_DBGU
#define CONFIG_USART0
#undef CONFIG_USART1
#undef CONFIG_HWFLOW /* don't include RTS/CTS flow control support */
#undef CONFIG_MODEM_SUPPORT /* disable modem initialization stuff */
#define CONFIG_HARD_I2C
#ifdef CONFIG_HARD_I2C
#define CFG_I2C_SPEED 0 /* not used */
#define CFG_I2C_SLAVE 0 /* not used */
#define CONFIG_RTC_RS5C372A /* RICOH I2C RTC */
#define CFG_I2C_RTC_ADDR 0x32
#define CFG_I2C_EEPROM_ADDR 0x50
#define CFG_I2C_EEPROM_ADDR_LEN 1
#define CFG_I2C_EEPROM_ADDR_OVERFLOW
#endif
/* still about 20 kB free with this defined */
#define CFG_LONGHELP
#define CONFIG_BOOTDELAY 3
#ifdef CONFIG_HARD_I2C
#define CONFIG_COMMANDS \
((CONFIG_CMD_DFL | \
CFG_CMD_DATE | \
CFG_CMD_DHCP | \
CFG_CMD_EEPROM | \
CFG_CMD_I2C | \
CFG_CMD_NFS | \
CFG_CMD_SNTP ) & \
~(CFG_CMD_FPGA | CFG_CMD_MISC) )
#else
#define CONFIG_COMMANDS \
((CONFIG_CMD_DFL | \
CFG_CMD_DHCP | \
CFG_CMD_NFS | \
CFG_CMD_SNTP ) & \
~(CFG_CMD_FPGA | CFG_CMD_MISC) )
#define CONFIG_TIMESTAMP
#endif
#define CFG_LONGHELP
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
#include <cmd_confdefs.h>
#define AT91_SMART_MEDIA_ALE (1 << 22) /* our ALE is AD22 */
#define AT91_SMART_MEDIA_CLE (1 << 21) /* our CLE is AD21 */
#define CONFIG_NR_DRAM_BANKS 1
#define PHYS_SDRAM 0x20000000
#define PHYS_SDRAM_SIZE 0x1000000 /* 16 megs */
#define CFG_MEMTEST_START PHYS_SDRAM
#define CFG_MEMTEST_END CFG_MEMTEST_START + PHYS_SDRAM_SIZE - 262144
#define CONFIG_DRIVER_ETHER
#define CONFIG_NET_RETRY_COUNT 20
#define CONFIG_AT91C_USE_RMII
#define CONFIG_HAS_DATAFLASH 1
#define CFG_SPI_WRITE_TOUT (5*CFG_HZ)
#define CFG_MAX_DATAFLASH_BANKS 2
#define CFG_MAX_DATAFLASH_PAGES 16384
#define CFG_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* Logical adress for CS0 */
#define CFG_DATAFLASH_LOGIC_ADDR_CS3 0xD0000000 /* Logical adress for CS3 */
#define PHYS_FLASH_1 0x10000000
#define PHYS_FLASH_SIZE 0x800000 /* 8 megs main flash */
#define CFG_FLASH_BASE PHYS_FLASH_1
#define CFG_MONITOR_BASE CFG_FLASH_BASE
#define CFG_MAX_FLASH_BANKS 1
#define CFG_MAX_FLASH_SECT 256
#define CFG_FLASH_ERASE_TOUT (11 * CFG_HZ) /* Timeout for Flash Erase */
#define CFG_FLASH_WRITE_TOUT ( 2 * CFG_HZ) /* Timeout for Flash Write */
#define CFG_ENV_IS_IN_FLASH 1
#define CFG_ENV_OFFSET 0x20000 /* after u-boot.bin */
#define CFG_ENV_SECT_SIZE (64 << 10) /* sectors are 64 kB */
#define CFG_ENV_SIZE (16 << 10) /* Use only 16 kB */
#define CFG_LOAD_ADDR 0x21000000 /* default load address */
#define CFG_BAUDRATE_TABLE { 115200, 57600, 38400, 19200, 9600 }
#define CFG_PROMPT "=> " /* Monitor Command Prompt */
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
#define CFG_MAXARGS 32 /* max number of command args */
#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
#ifndef __ASSEMBLY__
/*-----------------------------------------------------------------------
* Board specific extension for bd_info
*
* This structure is embedded in the global bd_info (bd_t) structure
* and can be used by the board specific code (eg board/...)
*/
struct bd_info_ext {
/* helper variable for board environment handling
*
* env_crc_valid == 0 => uninitialised
* env_crc_valid > 0 => environment crc in flash is valid
* env_crc_valid < 0 => environment crc in flash is invalid
*/
int env_crc_valid;
};
#endif /* __ASSEMBLY__ */
#define CFG_HZ 1000
#define CFG_HZ_CLOCK AT91C_MASTER_CLOCK/2 /* AT91C_TC0_CMR is implicitly set to */
/* AT91C_TC_TIMER_DIV1_CLOCK */
#define CONFIG_STACKSIZE (32*1024) /* regular stack */
#ifdef CONFIG_USE_IRQ
#error CONFIG_USE_IRQ not supported
#endif
#endif /* __CONFIG_H */
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