diff options
Diffstat (limited to 'include/configs/at91sam9260ek.h')
| -rw-r--r-- | include/configs/at91sam9260ek.h | 107 |
1 files changed, 66 insertions, 41 deletions
diff --git a/include/configs/at91sam9260ek.h b/include/configs/at91sam9260ek.h index 5e7dee5..88578c6 100644 --- a/include/configs/at91sam9260ek.h +++ b/include/configs/at91sam9260ek.h @@ -27,38 +27,53 @@ #ifndef __CONFIG_H #define __CONFIG_H -#define CONFIG_AT91_LEGACY +/* + * SoC must be defined first, before hardware.h is included. + * In this case SoC is defined in boards.cfg. + */ +#include <asm/hardware.h> -/* ARM asynchronous clock */ -#define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* 18.432 MHz crystal */ -#define CONFIG_SYS_HZ 1000 +/* + * Warning: changing CONFIG_SYS_TEXT_BASE requires + * adapting the initial boot program. + * Since the linker has to swallow that define, we must use a pure + * hex number here! + */ +#define CONFIG_SYS_TEXT_BASE 0x21f00000 -#define CONFIG_ARM926EJS 1 /* This is an ARM926EJS Core */ +/* ARM asynchronous clock */ +#define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ +#define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */ +#define CONFIG_SYS_HZ 1000 -#ifdef CONFIG_AT91SAM9G20EK -#define CONFIG_AT91SAM9G20 1 /* It's an Atmel AT91SAM9G20 SoC*/ +/* Define actual evaluation board type from used processor type */ +#ifdef CONFIG_AT91SAM9G20 +# define CONFIG_AT91SAM9G20EK /* It's an Atmel AT91SAM9G20 EK */ #else -#define CONFIG_AT91SAM9260 1 /* It's an Atmel AT91SAM9260 SoC*/ +# define CONFIG_AT91SAM9260EK /* It's an Atmel AT91SAM9260 EK */ #endif +/* Misc CPU related */ #define CONFIG_ARCH_CPU_INIT -#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 - +#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ +#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ +#define CONFIG_SETUP_MEMORY_TAGS +#define CONFIG_INITRD_TAG #define CONFIG_SKIP_LOWLEVEL_INIT - -/* - * Hardware drivers - */ -#define CONFIG_AT91_GPIO 1 -#define CONFIG_ATMEL_USART 1 -#undef CONFIG_USART0 -#undef CONFIG_USART1 -#undef CONFIG_USART2 -#define CONFIG_USART3 1 /* USART 3 is DBGU */ +#define CONFIG_BOARD_EARLY_INIT_F +#define CONFIG_DISPLAY_CPUINFO + +/* general purpose I/O */ +#define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */ +#define CONFIG_AT91_GPIO +#define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */ + +/* serial console */ +#define CONFIG_ATMEL_USART +#define CONFIG_USART_BASE ATMEL_BASE_DBGU +#define CONFIG_USART_ID ATMEL_ID_SYS +#define CONFIG_BAUDRATE 115200 +#define CONFIG_SYS_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 } /* LED */ #define CONFIG_AT91_LED @@ -91,10 +106,26 @@ #define CONFIG_CMD_NAND 1 #define CONFIG_CMD_USB 1 -/* SDRAM */ +/* + * SDRAM: 1 bank, min 32, max 128 MB + * Initialized before u-boot gets started. + */ #define CONFIG_NR_DRAM_BANKS 1 -#define PHYS_SDRAM 0x20000000 -#define PHYS_SDRAM_SIZE 0x04000000 /* 64 megs */ +#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 +#define CONFIG_SYS_SDRAM_SIZE 0x04000000 + +/* + * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, + * leaving the correct space for initial global data structure above + * that address while providing maximum stack area below. + */ +#ifdef CONFIG_AT91SAM9XE +# define CONFIG_SYS_INIT_SP_ADDR \ + (ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE) +#else +# define CONFIG_SYS_INIT_SP_ADDR \ + (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE) +#endif /* DataFlash */ #define CONFIG_ATMEL_DATAFLASH_SPI @@ -115,16 +146,13 @@ /* NAND flash */ #ifdef CONFIG_CMD_NAND #define CONFIG_NAND_ATMEL -#define CONFIG_SYS_MAX_NAND_DEVICE 1 -#define CONFIG_SYS_NAND_BASE 0x40000000 -#define CONFIG_SYS_NAND_DBW_8 1 -/* our ALE is AD21 */ -#define CONFIG_SYS_NAND_MASK_ALE (1 << 21) -/* our CLE is AD22 */ -#define CONFIG_SYS_NAND_MASK_CLE (1 << 22) -#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 -#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 - +#define CONFIG_SYS_MAX_NAND_DEVICE 1 +#define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 +#define CONFIG_SYS_NAND_DBW_8 +#define CONFIG_SYS_NAND_MASK_ALE (1 << 21) +#define CONFIG_SYS_NAND_MASK_CLE (1 << 22) +#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 +#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 #endif /* NOR flash - no real flash on this board */ @@ -150,7 +178,7 @@ #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ -#define CONFIG_SYS_MEMTEST_START PHYS_SDRAM +#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE #define CONFIG_SYS_MEMTEST_END 0x23e00000 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0 @@ -198,9 +226,6 @@ #endif -#define CONFIG_BAUDRATE 115200 -#define CONFIG_SYS_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 } - #define CONFIG_SYS_PROMPT "U-Boot> " #define CONFIG_SYS_CBSIZE 256 #define CONFIG_SYS_MAXARGS 16 |