| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * Copyright (C) 2012 Atmel Corporation |
| * Copyright (C) 2019 Stefan Roese <sr@denx.de> |
| * |
| * Configuation settings for the GARDENA smart Gateway (AT91SAM9G25) |
| */ |
| |
| #ifndef __CONFIG_H__ |
| #define __CONFIG_H__ |
| |
| #ifndef __ASSEMBLY__ |
| #include <linux/bitops.h> |
| #endif |
| |
| /* ARM asynchronous clock */ |
| #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 |
| #define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* 12 MHz crystal */ |
| |
| /* general purpose I/O */ |
| #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */ |
| |
| /* SDRAM */ |
| #define CONFIG_SYS_SDRAM_BASE 0x20000000 |
| #define CONFIG_SYS_SDRAM_SIZE 0x08000000 /* 128 megs */ |
| |
| #define CONFIG_SYS_INIT_SP_ADDR \ |
| (CONFIG_SYS_SDRAM_BASE + 16 * 1024 - GENERATED_GBL_DATA_SIZE) |
| |
| /* NAND flash */ |
| #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 BIT(21) |
| /* our CLE is AD22 */ |
| #define CONFIG_SYS_NAND_MASK_CLE BIT(22) |
| #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PD4 |
| #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PD5 |
| |
| /* SPL */ |
| #define CONFIG_SPL_MAX_SIZE 0x7000 |
| #define CONFIG_SPL_STACK 0x308000 |
| |
| #define CONFIG_SPL_BSS_START_ADDR 0x20000000 |
| #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 |
| #define CONFIG_SYS_SPL_MALLOC_START 0x20080000 |
| #define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000 |
| |
| #define CONFIG_SYS_MONITOR_LEN (512 << 10) |
| |
| #define CONFIG_SYS_MASTER_CLOCK 132096000 |
| #define CONFIG_SYS_AT91_PLLA 0x20c73f03 |
| #define CONFIG_SYS_MCKR 0x1301 |
| #define CONFIG_SYS_MCKR_CSS 0x1302 |
| |
| #define CONFIG_SPL_NAND_RAW_ONLY |
| #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x40000 |
| #define CONFIG_SYS_NAND_U_BOOT_SIZE 0xa0000 |
| #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE |
| #define CONFIG_SYS_NAND_U_BOOT_DST CONFIG_SYS_TEXT_BASE |
| |
| #define CONFIG_SYS_NAND_5_ADDR_CYCLE |
| #define CONFIG_SYS_NAND_PAGE_SIZE 0x800 |
| #define CONFIG_SYS_NAND_PAGE_COUNT 64 |
| #define CONFIG_SYS_NAND_OOBSIZE 64 |
| #define CONFIG_SYS_NAND_BLOCK_SIZE 0x20000 |
| #define CONFIG_SYS_NAND_BAD_BLOCK_POS 0x0 |
| |
| #define CONFIG_SPL_PAD_TO CONFIG_SYS_NAND_U_BOOT_OFFS |
| #define CONFIG_SYS_SPL_LEN CONFIG_SPL_PAD_TO |
| |
| #endif |