| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * (C) Copyright 2007-2008 |
| * Stelian Pop <stelian@popies.net> |
| * Lead Tech Design <www.leadtechdesign.com> |
| * |
| * Configuation settings for the AT91SAM9260EK & AT91SAM9G20EK boards. |
| */ |
| |
| #ifndef __CONFIG_H |
| #define __CONFIG_H |
| |
| /* |
| * SoC must be defined first, before hardware.h is included. |
| * In this case SoC is defined in boards.cfg. |
| */ |
| #include <asm/hardware.h> |
| |
| /* |
| * 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! |
| */ |
| |
| /* ARM asynchronous clock */ |
| #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ |
| #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */ |
| |
| /* Define actual evaluation board type from used processor type */ |
| #ifdef CONFIG_AT91SAM9G20 |
| # define CONFIG_AT91SAM9G20EK /* It's an Atmel AT91SAM9G20 EK */ |
| #else |
| # define CONFIG_AT91SAM9260EK /* It's an Atmel AT91SAM9260 EK */ |
| #endif |
| |
| /* Misc CPU related */ |
| |
| /* general purpose I/O */ |
| #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */ |
| |
| /* |
| * BOOTP options |
| */ |
| #define CONFIG_BOOTP_BOOTFILESIZE 1 |
| |
| /* |
| * SDRAM: 1 bank, min 32, max 128 MB |
| * Initialized before u-boot gets started. |
| */ |
| #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 + 16 * 1024 - GENERATED_GBL_DATA_SIZE) |
| #else |
| # define CONFIG_SYS_INIT_SP_ADDR \ |
| (ATMEL_BASE_SRAM1 + 16 * 1024 - GENERATED_GBL_DATA_SIZE) |
| #endif |
| |
| /* NAND flash */ |
| #ifdef CONFIG_CMD_NAND |
| #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 |
| |
| /* USB */ |
| #define CONFIG_USB_ATMEL |
| #define CONFIG_USB_ATMEL_CLK_SEL_PLLB |
| #define CONFIG_USB_OHCI_NEW 1 |
| #define CONFIG_SYS_USB_OHCI_CPU_INIT 1 |
| #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */ |
| #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" |
| #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 |
| |
| #ifdef CONFIG_SYS_USE_DATAFLASH_CS0 |
| |
| /* bootstrap + u-boot + env + linux in dataflash on CS0 */ |
| #elif defined(CONFIG_SYS_USE_NANDFLASH) |
| |
| /* bootstrap + u-boot + env + linux in nandflash */ |
| |
| #else /* CONFIG_SYS_USE_MMC */ |
| /* bootstrap + u-boot + env + linux in mmc */ |
| /* For FAT system, most cases it should be in the reserved sector */ |
| #endif |
| |
| #endif |