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Stefan Roesedadede52019-04-02 10:57:27 +02001/* 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 Glass4dcacfc2020-05-10 11:40:13 -060012#ifndef __ASSEMBLY__
13#include <linux/bitops.h>
14#endif
15
Stefan Roesedadede52019-04-02 10:57:27 +020016/* ARM asynchronous clock */
17#define CONFIG_SYS_AT91_SLOW_CLOCK 32768
18#define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* 12 MHz crystal */
19
Stefan Roesedadede52019-04-02 10:57:27 +020020/* SDRAM */
21#define CONFIG_SYS_SDRAM_BASE 0x20000000
22#define CONFIG_SYS_SDRAM_SIZE 0x08000000 /* 128 megs */
23
Stefan Roesedadede52019-04-02 10:57:27 +020024/* NAND flash */
Stefan Roesedadede52019-04-02 10:57:27 +020025#define CONFIG_SYS_NAND_BASE 0x40000000
26#define CONFIG_SYS_NAND_DBW_8 1
27/* our ALE is AD21 */
28#define CONFIG_SYS_NAND_MASK_ALE BIT(21)
29/* our CLE is AD22 */
30#define CONFIG_SYS_NAND_MASK_CLE BIT(22)
31#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PD4
32#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PD5
33
Stefan Roesedadede52019-04-02 10:57:27 +020034/* SPL */
Stefan Roesedadede52019-04-02 10:57:27 +020035
Stefan Roesedadede52019-04-02 10:57:27 +020036#define CONFIG_SYS_MASTER_CLOCK 132096000
37#define CONFIG_SYS_AT91_PLLA 0x20c73f03
38#define CONFIG_SYS_MCKR 0x1301
39#define CONFIG_SYS_MCKR_CSS 0x1302
40
Stefan Roesedadede52019-04-02 10:57:27 +020041#define CONFIG_SYS_NAND_U_BOOT_SIZE 0xa0000
Simon Glass72cc5382022-10-20 18:22:39 -060042#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_TEXT_BASE
43#define CONFIG_SYS_NAND_U_BOOT_DST CONFIG_TEXT_BASE
Stefan Roesedadede52019-04-02 10:57:27 +020044
Stefan Roesedadede52019-04-02 10:57:27 +020045#endif