| Stefan Roese | a71e2f9 | 2019-04-02 10:57:27 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
| 2 | /* |
| 3 | * Copyright (C) 2012 Atmel Corporation |
| 4 | * Copyright (C) 2019 Stefan Roese <sr@denx.de> |
| 5 | * |
| 6 | * Configuation settings for the GARDENA smart Gateway (AT91SAM9G25) |
| 7 | */ |
| 8 | |
| 9 | #ifndef __CONFIG_H__ |
| 10 | #define __CONFIG_H__ |
| 11 | |
| Simon Glass | cd93d62 | 2020-05-10 11:40:13 -0600 | [diff] [blame] | 12 | #ifndef __ASSEMBLY__ |
| 13 | #include <linux/bitops.h> |
| 14 | #endif |
| 15 | |
| Stefan Roese | a71e2f9 | 2019-04-02 10:57:27 +0200 | [diff] [blame] | 16 | /* ARM asynchronous clock */ |
| 17 | #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 |
| 18 | #define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* 12 MHz crystal */ |
| 19 | |
| 20 | #ifndef CONFIG_SPL_BUILD |
| 21 | #define CONFIG_SKIP_LOWLEVEL_INIT |
| 22 | #endif |
| 23 | #define CONFIG_SKIP_LOWLEVEL_INIT_ONLY |
| 24 | |
| 25 | /* general purpose I/O */ |
| 26 | #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */ |
| 27 | |
| 28 | /* SDRAM */ |
| 29 | #define CONFIG_SYS_SDRAM_BASE 0x20000000 |
| 30 | #define CONFIG_SYS_SDRAM_SIZE 0x08000000 /* 128 megs */ |
| 31 | |
| 32 | #define CONFIG_SYS_INIT_SP_ADDR \ |
| 33 | (CONFIG_SYS_SDRAM_BASE + 16 * 1024 - GENERATED_GBL_DATA_SIZE) |
| 34 | |
| 35 | #define CONFIG_SYS_MALLOC_LEN (16 * 1024 * 1024) |
| 36 | |
| 37 | /* NAND flash */ |
| 38 | #define CONFIG_SYS_MAX_NAND_DEVICE 1 |
| 39 | #define CONFIG_SYS_NAND_BASE 0x40000000 |
| 40 | #define CONFIG_SYS_NAND_DBW_8 1 |
| 41 | /* our ALE is AD21 */ |
| 42 | #define CONFIG_SYS_NAND_MASK_ALE BIT(21) |
| 43 | /* our CLE is AD22 */ |
| 44 | #define CONFIG_SYS_NAND_MASK_CLE BIT(22) |
| 45 | #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PD4 |
| 46 | #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PD5 |
| 47 | |
| 48 | #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ |
| 49 | |
| Stefan Roese | a71e2f9 | 2019-04-02 10:57:27 +0200 | [diff] [blame] | 50 | /* SPL */ |
| Stefan Roese | a71e2f9 | 2019-04-02 10:57:27 +0200 | [diff] [blame] | 51 | #define CONFIG_SPL_MAX_SIZE 0x7000 |
| 52 | #define CONFIG_SPL_STACK 0x308000 |
| 53 | |
| 54 | #define CONFIG_SPL_BSS_START_ADDR 0x20000000 |
| 55 | #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 |
| 56 | #define CONFIG_SYS_SPL_MALLOC_START 0x20080000 |
| 57 | #define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000 |
| 58 | |
| 59 | #define CONFIG_SYS_MONITOR_LEN (512 << 10) |
| 60 | |
| 61 | #define CONFIG_SYS_MASTER_CLOCK 132096000 |
| 62 | #define CONFIG_SYS_AT91_PLLA 0x20c73f03 |
| 63 | #define CONFIG_SYS_MCKR 0x1301 |
| 64 | #define CONFIG_SYS_MCKR_CSS 0x1302 |
| 65 | |
| Stefan Roese | a71e2f9 | 2019-04-02 10:57:27 +0200 | [diff] [blame] | 66 | #define CONFIG_SPL_NAND_RAW_ONLY |
| 67 | #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x40000 |
| 68 | #define CONFIG_SYS_NAND_U_BOOT_SIZE 0xa0000 |
| Stefan Roese | a71e2f9 | 2019-04-02 10:57:27 +0200 | [diff] [blame] | 69 | #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE |
| 70 | #define CONFIG_SYS_NAND_U_BOOT_DST CONFIG_SYS_TEXT_BASE |
| 71 | |
| 72 | #define CONFIG_SYS_NAND_5_ADDR_CYCLE |
| 73 | #define CONFIG_SYS_NAND_PAGE_SIZE 0x800 |
| 74 | #define CONFIG_SYS_NAND_PAGE_COUNT 64 |
| 75 | #define CONFIG_SYS_NAND_OOBSIZE 64 |
| 76 | #define CONFIG_SYS_NAND_BLOCK_SIZE 0x20000 |
| 77 | #define CONFIG_SYS_NAND_BAD_BLOCK_POS 0x0 |
| 78 | |
| 79 | #define CONFIG_SPL_PAD_TO CONFIG_SYS_NAND_U_BOOT_OFFS |
| 80 | #define CONFIG_SYS_SPL_LEN CONFIG_SPL_PAD_TO |
| 81 | |
| 82 | #endif |