diff options
Diffstat (limited to 'roms/u-boot-sam460ex/include/configs/csb637.h')
| -rw-r--r-- | roms/u-boot-sam460ex/include/configs/csb637.h | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/roms/u-boot-sam460ex/include/configs/csb637.h b/roms/u-boot-sam460ex/include/configs/csb637.h new file mode 100644 index 000000000..efa278099 --- /dev/null +++ b/roms/u-boot-sam460ex/include/configs/csb637.h @@ -0,0 +1,199 @@ +/* + * (C) Copyright 2005 REA Elektronik GmbH <www.rea.de> + * Anders Larsen <alarsen@rea.de> + * + * Configuation settings for the Cogent CSB637 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_AT91_LEGACY + +/* ARM asynchronous clock */ +#define AT91C_MAIN_CLOCK 184320000 /* from 3.6864 MHz crystal (3686400 * 50) */ +#define AT91C_MASTER_CLOCK 46080000 /* (AT91C_MAIN_CLOCK/4) peripheral clock */ + +#define AT91_SLOW_CLOCK 32768 /* slow clock */ + +#define CONFIG_ARM920T 1 /* This is an ARM920T Core */ +#define CONFIG_AT91RM9200 1 /* It's an Atmel AT91RM9200 SoC */ +#define CONFIG_CSB637 1 /* on a CSB637 board */ +#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ +#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 + +#ifndef CONFIG_SKIP_LOWLEVEL_INIT +#define CONFIG_SYS_USE_MAIN_OSCILLATOR 1 +/* flash */ +#define CONFIG_SYS_EBI_CFGR_VAL 0x00000000 +#define CONFIG_SYS_SMC_CSR0_VAL 0x00003284 /* 16bit, 2 TDF, 4 WS */ + +/* clocks */ +#define CONFIG_SYS_PLLAR_VAL 0x2031BE01 /* 184.320000 MHz for PCK */ +#define CONFIG_SYS_PLLBR_VAL 0x128A3E19 /* 47.996928 MHz (divider by 2 for USB) */ +#define CONFIG_SYS_MCKR_VAL 0x00000302 /* PCK/4 = MCK Master Clock = 46.080000 MHz from PLLA */ + +/* sdram */ +#define CONFIG_SYS_PIOC_ASR_VAL 0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */ +#define CONFIG_SYS_PIOC_BSR_VAL 0x00000000 +#define CONFIG_SYS_PIOC_PDR_VAL 0xFFFF0000 +#define CONFIG_SYS_EBI_CSA_VAL 0x00000002 /* CS1=CONFIG_SYS_SDRAM */ +#define CONFIG_SYS_SDRC_CR_VAL 0x21914159 /* set up the CONFIG_SYS_SDRAM */ +#define CONFIG_SYS_SDRAM 0x20000000 /* address of the CONFIG_SYS_SDRAM */ +#define CONFIG_SYS_SDRAM1 0x20000080 /* address of the CONFIG_SYS_SDRAM */ +#define CONFIG_SYS_SDRAM_VAL 0x00000000 /* value written to CONFIG_SYS_SDRAM */ +#define CONFIG_SYS_SDRC_MR_VAL 0x00000002 /* Precharge All */ +#define CONFIG_SYS_SDRC_MR_VAL1 0x00000004 /* refresh */ +#define CONFIG_SYS_SDRC_MR_VAL2 0x00000003 /* Load Mode Register */ +#define CONFIG_SYS_SDRC_MR_VAL3 0x00000000 /* Normal Mode */ +#define CONFIG_SYS_SDRC_TR_VAL 0x000002E0 /* Write refresh rate */ +#else +#define CONFIG_SKIP_RELOCATE_UBOOT +#endif /* CONFIG_SKIP_LOWLEVEL_INIT */ +/* + * Size of malloc() pool + */ +#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128*1024) +#define CONFIG_SYS_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ + +#define CONFIG_BAUDRATE 115200 + +#define CONFIG_SYS_AT91C_BRGR_DIVISOR 75 /* hardcode so no __divsi3 : AT91C_MASTER_CLOCK / baudrate / 16 */ + +/* + * Hardware drivers + */ + +/* define one of these to choose the DBGU, USART0 or USART1 as console */ +#define CONFIG_AT91RM9200_USART +#define CONFIG_DBGU +#undef 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_BOOTDELAY 3 +/* #define CONFIG_ENV_OVERWRITE 1 */ + + +/* + * BOOTP options + */ +#define CONFIG_BOOTP_BOOTFILESIZE +#define CONFIG_BOOTP_BOOTPATH +#define CONFIG_BOOTP_GATEWAY +#define CONFIG_BOOTP_HOSTNAME + + +/* + * Command line configuration. + */ +#include <config_cmd_default.h> + +#define CONFIG_CMD_DHCP +#define CONFIG_CMD_JFFS2 +#define CONFIG_CMD_PING + + +#define CONFIG_NR_DRAM_BANKS 1 +#define PHYS_SDRAM 0x20000000 +#define PHYS_SDRAM_SIZE 0x4000000 /* 64 megs */ + +#define CONFIG_SYS_MEMTEST_START PHYS_SDRAM +#define CONFIG_SYS_MEMTEST_END CONFIG_SYS_MEMTEST_START + PHYS_SDRAM_SIZE - 512*1024 - 4 +#define CONFIG_SYS_ALT_MEMTEST 1 +#define CONFIG_SYS_MEMTEST_SCRATCH CONFIG_SYS_MEMTEST_START + PHYS_SDRAM_SIZE - 4 + +#define CONFIG_NET_MULTI 1 +#ifdef CONFIG_NET_MULTI +#define CONFIG_DRIVER_AT91EMAC 1 +#define CONFIG_SYS_RX_ETH_BUFFER 8 +#else +#define CONFIG_DRIVER_ETHER 1 +#endif +#define CONFIG_NET_RETRY_COUNT 20 +#undef CONFIG_AT91C_USE_RMII + +#undef CONFIG_HAS_DATAFLASH +#define CONFIG_SYS_SPI_WRITE_TOUT (5*CONFIG_SYS_HZ) +#define CONFIG_SYS_MAX_DATAFLASH_BANKS 0 +#define CONFIG_SYS_MAX_DATAFLASH_PAGES 16384 +#define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* Logical adress for CS0 */ +#define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS3 0xD0000000 /* Logical adress for CS3 */ + +/* + * FLASH Device configuration + */ +#define PHYS_FLASH_1 0x10000000 +#define PHYS_FLASH_SIZE 0x800000 /* 8 megs main flash */ +#define CONFIG_SYS_FLASH_BASE PHYS_FLASH_1 +#define CONFIG_SYS_FLASH_CFI 1 /* flash is CFI conformant */ +#define CONFIG_FLASH_CFI_DRIVER 1 /* use common cfi driver */ +#define CONFIG_SYS_FLASH_EMPTY_INFO +#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1 /* use buffered writes (20x faster) */ +#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max # of memory banks */ +#define CONFIG_SYS_FLASH_INCREMENT 0 /* there is only one bank */ +#define CONFIG_SYS_FLASH_PROTECTION 1 /* hardware flash protection */ +#define CONFIG_SYS_MAX_FLASH_SECT 64 + +#define CONFIG_SYS_JFFS2_FIRST_BANK 0 +#define CONFIG_SYS_JFFS2_FIRST_SECTOR 3 +#define CONFIG_SYS_JFFS2_NUM_BANKS 1 + +#undef CONFIG_ENV_IS_IN_DATAFLASH + +#ifdef CONFIG_ENV_IS_IN_DATAFLASH +#define CONFIG_ENV_OFFSET 0x20000 +#define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET) +#define CONFIG_ENV_SIZE 0x2000 /* 0x8000 */ +#else +#define CONFIG_ENV_IS_IN_FLASH 1 +#define CONFIG_ENV_ADDR (PHYS_FLASH_1 + 0x20000) /* after u-boot.bin */ +#define CONFIG_ENV_SIZE 0x20000 /* sectors are 128K here */ +#endif /* CONFIG_ENV_IS_IN_DATAFLASH */ + + +#define CONFIG_SYS_LOAD_ADDR 0x21000000 /* default load address */ + +#define CONFIG_SYS_BAUDRATE_TABLE { 115200, 57600, 38400, 19200, 9600 } + +#define CONFIG_SYS_PROMPT "U-Boot> " /* Monitor Command Prompt */ +#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ +#define CONFIG_SYS_MAXARGS 16 /* max number of command args */ +#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */ + +#define CONFIG_SYS_HZ 1000 +#define CONFIG_SYS_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 |