| /* |
| * (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 |
| |
| /* 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 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 SMC_CSR0_VAL 0x00003284 /* 16bit, 2 TDF, 4 WS */ |
| |
| /* clocks */ |
| #define PLLAR_VAL 0x2031BE01 /* 184.320000 MHz for PCK */ |
| #define PLLBR_VAL 0x128A3E19 /* 47.996928 MHz (divider by 2 for USB) */ |
| #define MCKR_VAL 0x00000302 /* PCK/4 = MCK Master Clock = 46.080000 MHz 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 0x21914159 /* 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 */ |
| #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_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 |
| |
| #ifdef NAND_SUPPORT_HAS_BEEN_FIXED /* NAND support is broken / unimplemented */ |
| |
| #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND devices */ |
| #define SECTORSIZE 512 |
| |
| #define ADDR_COLUMN 1 |
| #define ADDR_PAGE 2 |
| #define ADDR_COLUMN_PAGE 3 |
| |
| #define NAND_ChipID_UNKNOWN 0x00 |
| #define NAND_MAX_FLOORS 1 |
| #define NAND_MAX_CHIPS 1 |
| |
| #define AT91_SMART_MEDIA_ALE (1 << 22) /* our ALE is AD22 */ |
| #define AT91_SMART_MEDIA_CLE (1 << 21) /* our CLE is AD21 */ |
| |
| #include <asm/arch/AT91RM9200.h> /* needed for port definitions */ |
| #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) |
| |
| #endif /* NAND_SUPPORT_HAS_BEEN_FIXED */ |
| |
| #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_DRIVER_ETHER |
| #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 |