| /* 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 AT91SAM9RLEK board. |
| */ |
| |
| #ifndef __CONFIG_H |
| #define __CONFIG_H |
| |
| #include <asm/hardware.h> |
| |
| /* ARM asynchronous clock */ |
| #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ |
| #define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* main clock xtal */ |
| |
| #define CONFIG_SKIP_LOWLEVEL_INIT |
| |
| #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ |
| #define CONFIG_SETUP_MEMORY_TAGS 1 |
| #define CONFIG_INITRD_TAG 1 |
| |
| #define CONFIG_ATMEL_LEGACY |
| |
| /* |
| * Hardware drivers |
| */ |
| |
| /* LCD */ |
| #define LCD_BPP LCD_COLOR8 |
| #define CONFIG_LCD_LOGO 1 |
| #undef LCD_TEST_PATTERN |
| #define CONFIG_LCD_INFO 1 |
| #define CONFIG_LCD_INFO_BELOW_LOGO 1 |
| #define CONFIG_ATMEL_LCD 1 |
| #define CONFIG_ATMEL_LCD_RGB565 1 |
| /* Let board_init_f handle the framebuffer allocation */ |
| #undef CONFIG_FB_ADDR |
| |
| /* SDRAM */ |
| #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 |
| #define CONFIG_SYS_SDRAM_SIZE 0x04000000 |
| |
| #define CONFIG_SYS_INIT_SP_ADDR \ |
| (ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE) |
| |
| /* 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 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_PB6 |
| #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PD17 |
| |
| #endif |
| |
| /* Ethernet - not present */ |
| |
| /* USB - not supported */ |
| |
| #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ |
| |
| #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE |
| #define CONFIG_SYS_MEMTEST_END 0x23e00000 |
| |
| #ifdef CONFIG_SYS_USE_DATAFLASH |
| |
| /* bootstrap + u-boot + env + linux in dataflash on CS0 */ |
| #define CONFIG_ENV_OFFSET 0x4200 |
| #define CONFIG_ENV_SIZE 0x4200 |
| #define CONFIG_ENV_SECT_SIZE 0x210 |
| #define CONFIG_BOOTCOMMAND "sf probe 0; " \ |
| "sf read 0x22000000 0x84000 0x294000; " \ |
| "bootm 0x22000000" |
| |
| #elif CONFIG_SYS_USE_NANDFLASH |
| |
| /* bootstrap + u-boot + env + linux in nandflash */ |
| #define CONFIG_ENV_OFFSET 0x140000 |
| #define CONFIG_ENV_OFFSET_REDUND 0x100000 |
| #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ |
| #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x600000; " \ |
| "nand read 0x21000000 0x180000 0x80000; " \ |
| "bootz 0x22000000 - 0x21000000" |
| |
| #else /* CONFIG_SYS_USE_MMC */ |
| |
| /* bootstrap + u-boot + env + linux in mmc */ |
| #define CONFIG_ENV_SIZE 0x4000 |
| #define CONFIG_BOOTCOMMAND "fatload mmc 0:1 0x21000000 at91sam9rlek.dtb; " \ |
| "fatload mmc 0:1 0x22000000 zImage; " \ |
| "bootz 0x22000000 - 0x21000000" |
| #endif |
| |
| /* |
| * Size of malloc() pool |
| */ |
| #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) |
| |
| #endif |
