/* * Copyright (C) 2010 Andreas Bießmann <biessmann.devel@googlemail.com> * * based on previous work by * * Ulf Samuelsson <ulf@atmel.com> * Rick Bronson <rick@efn.org> * * Configuration settings for the AT91RM9200EK board. * * SPDX-License-Identifier: GPL-2.0+ */ #ifndef __AT91RM9200EK_CONFIG_H__ #define __AT91RM9200EK_CONFIG_H__ #include <linux/sizes.h> /* * set some initial configurations depending on configure target * * at91rm9200ek_config -> boot from 0x0 in NOR Flash at CS0 * at91rm9200ek_ram_config -> continue booting from 0x20100000 in RAM; lowlevel * initialisation was done by some preloader */ #ifdef CONFIG_RAMBOOT #define CONFIG_SKIP_LOWLEVEL_INIT #define CONFIG_SYS_TEXT_BASE 0x20100000 #else #define CONFIG_SYS_TEXT_BASE 0x10000000 #endif /* * AT91C_XTAL_CLOCK is the frequency of external xtal in hertz * AT91C_MAIN_CLOCK is the frequency of PLLA output * AT91C_MASTER_CLOCK is the peripherial clock * CONFIG_SYS_HZ_CLOCK is the value for CCR in tc0 (divider 2 is implicitely * set in arch/arm/cpu/arm920t/at91/timer.c) * CONFIG_SYS_HZ is the tick rate for timer tc0 */ #define AT91C_XTAL_CLOCK 18432000 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 #define AT91C_MAIN_CLOCK ((AT91C_XTAL_CLOCK / 4) * 39) #define AT91C_MASTER_CLOCK (AT91C_MAIN_CLOCK / 3 ) #define CONFIG_SYS_HZ_CLOCK (AT91C_MASTER_CLOCK / 2) /* CPU configuration */ #define CONFIG_AT91RM9200 #define CONFIG_AT91RM9200EK #define CONFIG_CPUAT91 #define USE_920T_MMU #include <asm/hardware.h> /* needed for port definitions */ #define CONFIG_CMDLINE_TAG #define CONFIG_SETUP_MEMORY_TAGS #define CONFIG_INITRD_TAG #define CONFIG_BOARD_EARLY_INIT_F #define CONFIG_CMD_BOOTZ #define CONFIG_OF_LIBFDT #define CONFIG_SYS_GENERIC_BOARD /* * Memory Configuration */ #define CONFIG_NR_DRAM_BANKS 1 #define CONFIG_SYS_SDRAM_BASE 0x20000000 #define CONFIG_SYS_SDRAM_SIZE SZ_32M #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE #define CONFIG_SYS_MEMTEST_END \ (CONFIG_SYS_MEMTEST_START + CONFIG_SYS_SDRAM_SIZE - SZ_256K) /* * LowLevel Init */ #ifndef CONFIG_SKIP_LOWLEVEL_INIT #define CONFIG_SYS_USE_MAIN_OSCILLATOR /* 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 0x20263E04 /* 179.712000 MHz for PCK */ #define CONFIG_SYS_PLLBR_VAL 0x10483E0E /* 48.054857 MHz (divider by 2 for USB) */ /* PCK/3 = MCK Master Clock = 59.904000MHz from PLLA */ #define CONFIG_SYS_MCKR_VAL 0x00000202 /* 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 0x2188c155 /* set up the CONFIG_SYS_SDRAM */ #define CONFIG_SYS_SDRAM CONFIG_SYS_SDRAM_BASE /* address of the SDRAM */ #define CONFIG_SYS_SDRAM1 (CONFIG_SYS_SDRAM_BASE+0x80) #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 */ #endif /* CONFIG_SKIP_LOWLEVEL_INIT */ /* * Hardware drivers */ /* * Choose a USART for serial console * CONFIG_DBGU is DBGU unit on J10 * CONFIG_USART1 is USART1 on J14 */ #define CONFIG_ATMEL_USART #define CONFIG_USART_BASE ATMEL_BASE_DBGU #define CONFIG_USART_ID 0/* ignored in arm */ #define CONFIG_BAUDRATE 115200 /* * Command line configuration. */ #include <config_cmd_default.h> #define CONFIG_CMD_DHCP #define CONFIG_CMD_FAT #define CONFIG_CMD_MII #define CONFIG_CMD_PING #define CONFIG_CMD_USB #undef CONFIG_CMD_FPGA /* * Network Driver Setting */ #define CONFIG_DRIVER_AT91EMAC #define CONFIG_SYS_RX_ETH_BUFFER 16 #define CONFIG_RMII #define CONFIG_MII /* * NOR Flash */ #define CONFIG_FLASH_CFI_DRIVER #define CONFIG_SYS_FLASH_CFI #define CONFIG_SYS_FLASH_BASE 0x10000000 #define PHYS_FLASH_1 CONFIG_SYS_FLASH_BASE #define PHYS_FLASH_SIZE SZ_8M #define CONFIG_SYS_MAX_FLASH_BANKS 1 #define CONFIG_SYS_MAX_FLASH_SECT 256 #define CONFIG_SYS_FLASH_PROTECTION /* * USB Config */ #define CONFIG_USB_ATMEL 1 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB #define CONFIG_USB_OHCI_NEW 1 #define CONFIG_USB_KEYBOARD 1 #define CONFIG_USB_STORAGE 1 #define CONFIG_DOS_PARTITION 1 #define CONFIG_SYS_USB_OHCI_CPU_INIT 1 #define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_USB_HOST_BASE #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91rm9200" #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 15 /* * Environment Settings */ #define CONFIG_ENV_IS_IN_FLASH /* * after u-boot.bin */ #define CONFIG_ENV_ADDR \ (CONFIG_SYS_FLASH_BASE + CONFIG_SYS_MONITOR_LEN) #define CONFIG_ENV_SIZE SZ_64K /* sectors are 64K here */ /* The following #defines are needed to get flash environment right */ #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE #define CONFIG_SYS_MONITOR_LEN SZ_256K /* * Boot option */ #define CONFIG_BOOTDELAY 3 /* default load address */ #define CONFIG_SYS_LOAD_ADDR CONFIG_SYS_SDRAM_BASE + SZ_16M #define CONFIG_ENV_OVERWRITE /* * Shell Settings */ #define CONFIG_CMDLINE_EDITING #define CONFIG_SYS_LONGHELP #define CONFIG_AUTO_COMPLETE #define CONFIG_SYS_HUSH_PARSER #define CONFIG_SYS_PROMPT "U-Boot> " #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ #define CONFIG_SYS_MAXARGS 16 /* max number of command args */ /* Print Buffer Size */ #define CONFIG_SYS_PBSIZE \ (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) /* * Size of malloc() pool */ #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + SZ_128K, \ SZ_4K) #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + SZ_4K \ - GENERATED_GBL_DATA_SIZE) #endif /* __AT91RM9200EK_CONFIG_H__ */