kumquat-buildroot/target/device/Atmel/at91rm9200df/u-boot/at91rm9200df.h
2007-07-17 12:19:56 +00:00

361 lines
11 KiB
C

/*
* Ulf Samuelsson<ulf@atmel.com>
* Configuation settings for the AT91RM9200DF 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
#define CONFIG_HOSTNAME at91rm9200df
/* ARM asynchronous clock */
#define AT91C_MAIN_CLOCK 179712000 /* from 18.432 MHz crystal (18432000 / 4 * 39) */
#define AT91C_MASTER_CLOCK 59904000 /* peripheral clock (AT91C_MASTER_CLOCK / 3) */
/* #define AT91C_MASTER_CLOCK 44928000 */ /* peripheral clock (AT91C_MASTER_CLOCK / 4) */
#define AT91_SLOW_CLOCK 32768 /* slow clock */
#define CFG_HZ 1000
#define CONFIG_AT91 1
#define CONFIG_ARM920T 1 /* This is an ARM920T Core */
#define CONFIG_AT91RM9200 1 /* It's an Atmel AT91RM9200 SoC */
#define CONFIG_AT91RM9200DF 1 /* on an AT91RM9200DK Board */
#define CONFIG_MACHID_IN_ENV 1 /* allow dynamic Machine Id */
#define USE_920T_MMU 1
#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
#define CONFIG_SETUP_MEMORY_TAGS 1
#define CONFIG_INITRD_TAG 1
#define CONFIG_USE_IRQ 1
/* define this to include the functionality of boot.bin in u-boot */
#define CONFIG_SKIP_LOWLEVEL_INIT
#define CONFIG_SKIP_RELOCATE_UBOOT /* Is this really wise on the AT91RM9200DF */
#define BOARD_LATE_INIT 1 /* Don't know what this means for now */
/*
* 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 */
/*
* Hardware drivers
*/
#define CONFIG_BOOTDELAY 3
#undef CONFIG_ENV_OVERWRITE
#define CONFIG_COMMANDS \
((CONFIG_CMD_DFL | \
CFG_CMD_NET | \
CFG_CMD_PING | \
CFG_CMD_ENV | \
CFG_CMD_USB | \
CFG_CMD_FLASH | \
CFG_CMD_MII | \
CFG_CMD_MUX | \
CFG_CMD_MMC | \
CFG_CMD_AUTOSCRIPT | \
CFG_CMD_DHCP | \
CFG_CMD_FAT ) & \
~(CFG_CMD_BDI | \
CFG_CMD_IMLS | \
CFG_CMD_IMI | \
CFG_CMD_FPGA | \
CFG_CMD_MISC | \
CFG_CMD_LOADS))
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
#include <cmd_confdefs.h>
/* UART Configuration */
#define CONFIG_BAUDRATE 115200
#define CFG_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 }
#define CFG_AT91C_BRGR_DIVISOR 33 /* hardcode so no __divsi3 : AT91C_MASTER_CLOCK / baudrate / 16 */
#undef CONFIG_HWFLOW /* don't include RTS/CTS flow control support */
#undef CONFIG_MODEM_SUPPORT /* disable modem initialization stuff */
/* Console Configuration */
#define CFG_CONSOLE_IS_SERIAL
#undef CFG_CONSOLE_IS_LCD
#define CONFIG_AUTO_COMPLETE
#define CFG_LONGHELP
/* define one of these to choose the DBGU, USART0 or USART1 as console */
#define CONFIG_DBGU 1
#undef CONFIG_USART0
#undef CONFIG_USART1
#undef CONFIG_USART2
#define CFG_PROMPT "U-Boot> " /* Monitor Command Prompt */
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
#define CFG_MAXARGS 16 /* max number of command args */
#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
/* Ethernet Configuration */
#define CONFIG_DRIVER_ETHER 1
#define CONFIG_NET_RETRY_COUNT 5000
#define CONFIG_TFTP_TIMEOUT 2500 /*250*/
#define CONFIG_ETHINIT 1
#define CONFIG_OVERWRITE_ETHADDR_ONCE
#define CONFIG_AT91C_USE_RMII 1
#define AT91C_PHY_ADDR 0
#define AT91C_ETH_TIMEOUT 30000
/* USB Configuration */
#define CONFIG_USB_OHCI 1
#define CONFIG_USB_STORAGE 1
#define CONFIG_DOS_PARTITION 1
#define LITTLEENDIAN 1
/* MMC/SD Card Configuration */
#define CONFIG_DOS_PARTITION 1
#define CONFIG_MMC 1
#define CONFIG_SUPPORT_VFAT 1
#define CFG_MMC_BASE 0xFFFB4000 /* From AT91RM9200.h*/
#define CFG_MMC_BLOCKSIZE 512
/* Memory Configuration */
#define CFG_ENV_OVERWRITE 1
#define CONFIG_HAS_DATAFLASH 1
#undef CFG_NO_PARALLEL_FLASH
#undef CFG_NO_FLASH
#undef CFG_ENV_IS_IN_FLASH
#define CFG_ENV_IS_IN_DATAFLASH 1
#undef CFG_ENV_IS_IN_NAND
#define UBOOT_NPCS0
#undef UBOOT_NPCS1
#undef UBOOT_NPCS3
#define SPI_MODE 3
/* SDRAMC */
#define CONFIG_NR_DRAM_BANKS 1
#define PHYS_SDRAM 0x20000000
#define PHYS_SDRAM_SIZE 0x2000000 /* 32 megs */
#define CFG_MEMTEST_START PHYS_SDRAM
#define CFG_MEMTEST_END CFG_MEMTEST_START + PHYS_SDRAM_SIZE - 262144
/* DataFlash */
#define CFG_SPI_WRITE_TOUT (5*CFG_HZ)
/* AC Characteristics */
/* DLYBS = tCSS = 250ns min and DLYBCT = tCSH = 250ns */
#define DATAFLASH_TCSS (0xC << 16)
#define DATAFLASH_TCHS (0x1 << 24)
#define CFG_MAX_DATAFLASH_BANKS 2
#define CFG_MAX_DATAFLASH_PAGES 16384
#define CFG_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* Logical adress for CS0 */
#undef CFG_DATAFLASH_LOGIC_ADDR_CS1 /* 0xC0000000 */ /* Logical adress for CS1 */
#define CFG_DATAFLASH_LOGIC_ADDR_CS3 0xD0000000 /* Logical adress for CS3 */
#define CFG_SUPPORT_BLOCK_ERASE 1
#define CONFIG_NEW_PARTITION 1
#define DATAFLASH_MMC_SELECT AT91C_PIO_PB22
/* Parallel Flash Configuration */
#define PHYS_FLASH_1 0x10000000
#define PHYS_FLASH_SIZE 0x800000 /* 8 megs main flash */
#define CFG_FLASH_BASE PHYS_FLASH_1
#define CFG_MAX_FLASH_BANKS 1
#define CFG_MAX_FLASH_SECT 256
#define CFG_FLASH_ERASE_TOUT (2*CFG_HZ) /* Timeout for Flash Erase */
#define CFG_FLASH_WRITE_TOUT (2*CFG_HZ) /* Timeout for Flash Write */
/* NAND Flash Configuration */
#define NAND_MAX_CHIPS 1 /* Max number of NAND devices */
#define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */
#define SECTORSIZE 512
#define CFG_NAND_BASE 0x40000000
#define CONFIG_NEW_NAND_CODE
#define ADDR_COLUMN 1
#define ADDR_PAGE 2
#define ADDR_COLUMN_PAGE 3
#define NAND_ChipID_UNKNOWN 0x00
#define NAND_MAX_FLOORS 1
#undef CFG_NAND_WP
/* Old NAND commands */
#define AT91_SMART_MEDIA_ALE (1 << 22) /* our ALE is AD22 */
#define AT91_SMART_MEDIA_CLE (1 << 21) /* our CLE is AD21 */
#define NAND_DISABLE_CE(nand) do { *AT91C_PIOC_SODR = AT91C_PIO_PC0;} while(0)
#define NAND_ENABLE_CE(nand) do { *AT91C_PIOC_CODR = AT91C_PIO_PC0;} while(0)
#define NAND_WAIT_READY(nand) while (!(*AT91C_PIOC_PDSR & AT91C_PIO_PC2))
#define WRITE_NAND_COMMAND(d, adr) do{ *(volatile __u8 *)((unsigned long)adr | AT91_SMART_MEDIA_CLE) = (__u8)(d); } while(0)
#define WRITE_NAND_ADDRESS(d, adr) do{ *(volatile __u8 *)((unsigned long)adr | AT91_SMART_MEDIA_ALE) = (__u8)(d); } while(0)
#define WRITE_NAND(d, adr) do{ *(volatile __u8 *)((unsigned long)adr) = (__u8)d; } while(0)
#define READ_NAND(adr) ((volatile unsigned char)(*(volatile __u8 *)(unsigned long)adr))
/* the following are NOP's in our implementation */
#define NAND_CTL_CLRALE(nandptr)
#define NAND_CTL_SETALE(nandptr)
#define NAND_CTL_CLRCLE(nandptr)
#define NAND_CTL_SETCLE(nandptr)
/* New NAND commands */
#define AT91C_SM_NWE_SETUP (0 << 0)
#define AT91C_SM_NCS_WR_SETUP (0 << 8)
#define AT91C_SM_NRD_SETUP (0 << 16)
#define AT91C_SM_NCS_RD_SETUP (0 << 24)
#define AT91C_SM_NWE_PULSE (4 << 0)
#define AT91C_SM_NCS_WR_PULSE (6 << 8)
#define AT91C_SM_NRD_PULSE (3 << 16)
#define AT91C_SM_NCS_RD_PULSE (5 << 24)
#define AT91C_SM_NWE_CYCLE (6 << 0)
#define AT91C_SM_NRD_CYCLE (5 << 16)
#define AT91C_SM_TDF (1 << 16)
/*#define CONFIG_MTD_DEBUG 1
#define CONFIG_MTD_DEBUG_VERBOSE MTD_DEBUG_LEVEL3
*/
/* Environment */
#ifdef CFG_ENV_IS_IN_NAND
#define CFG_ENV_OFFSET 0x60000 /* environment starts here */
#define CFG_ENV_SIZE 0x20000 /* 1 sector = 128kB */
#endif
#ifdef CFG_ENV_IS_IN_DATAFLASH
# if defined(UBOOT_NPCS0)
# define UBOOT_NPCS CFG_DATAFLASH_LOGIC_ADDR_CS0
# elif defined(UBOOT_NPCS1)
# define UBOOT_NPCS CFG_DATAFLASH_LOGIC_ADDR_CS1
# elif defined(UBOOT_NPCS3)
# define UBOOT_NPCS CFG_DATAFLASH_LOGIC_ADDR_CS3
# endif
# define CFG_ENV_OFFSET 0x4200
# define CFG_ENV_ADDR (UBOOT_NPCS + CFG_ENV_OFFSET)
# define CFG_ENV_SIZE 0x2000 /* 0x8000 */
#endif
#ifdef CFG_ENV_IS_IN_FLASH
# ifdef CONFIG_SKIP_LOWLEVEL_INIT
# define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x60000) /* after u-boot.bin */
# define CFG_ENV_SIZE 0x10000 /* sectors are 64K here */
# else
# define CFG_ENV_ADDR (PHYS_FLASH_1 + 0xe000) /* between boot.bin and u-boot.bin.gz */
# define CFG_ENV_SIZE 0x2000 /* 0x8000 */
# endif /* CONFIG_SKIP_LOWLEVEL_INIT */
#endif /* CFG_ENV_IS_IN_DATAFLASH */
#if CFG_ENV_IS_IN_DATAFLASH | CFG_ENV_IS_IN_FLASH | CFG_ENV_IS_IN_NAND
#else
#error "No Environment Defined"
#endif
#define KERNEL_1_5_MB
#define CFG_LOAD_ADDR 0x21000000 /* default load address */
#ifdef CONFIG_SKIP_LOWLEVEL_INIT
#define CFG_BOOT_SIZE 0x00 /* 0 KBytes */
#define CFG_U_BOOT_BASE PHYS_FLASH_1
#define CFG_U_BOOT_SIZE 0x60000 /* 384 KBytes */
#else
#define CFG_BOOT_SIZE 0x6000 /* 24 KBytes */
#define CFG_U_BOOT_BASE (PHYS_FLASH_1 + 0x10000)
#define CFG_U_BOOT_SIZE 0x10000 /* 64 KBytes */
#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 0x00003284 /* 16bit, 2 TDF, 4 WS */
/* clocks */
#define PLLAR_VAL 0x20263E04 /* 179.712000 MHz for PCK */
#define PLLBR_VAL 0x10483E0E /* 48.054857 MHz (divider by 2 for USB) */
#define MCKR_VAL 0x00000202 /* PCK/3 = MCK Master Clock = 59.904000MHz 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 0x2188c155 /* 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_SKIP_LOWLEVEL_INIT */
#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
#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 */
#define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */
#define CONFIG_STACKSIZE_FIQ (4*1024)
/*
#ifdef CONFIG_USE_IRQ
#error CONFIG_USE_IRQ not supported
#endif
*/
#endif