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Stefan Roesea71e2f92019-04-02 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 Glasscd93d622020-05-10 11:40:13 -060012#ifndef __ASSEMBLY__
13#include <linux/bitops.h>
14#endif
15
Stefan Roesea71e2f92019-04-02 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 Roesea71e2f92019-04-02 10:57:27 +020020/* SDRAM */
21#define CONFIG_SYS_SDRAM_BASE 0x20000000
22#define CONFIG_SYS_SDRAM_SIZE 0x08000000 /* 128 megs */
23
Stefan Roesea71e2f92019-04-02 10:57:27 +020024/* NAND flash */
Tom Rini4e590942022-11-12 17:36:51 -050025#define CFG_SYS_NAND_BASE 0x40000000
Stefan Roesea71e2f92019-04-02 10:57:27 +020026/* our ALE is AD21 */
Tom Rini4e590942022-11-12 17:36:51 -050027#define CFG_SYS_NAND_MASK_ALE BIT(21)
Stefan Roesea71e2f92019-04-02 10:57:27 +020028/* our CLE is AD22 */
Tom Rini4e590942022-11-12 17:36:51 -050029#define CFG_SYS_NAND_MASK_CLE BIT(22)
30#define CFG_SYS_NAND_ENABLE_PIN AT91_PIN_PD4
31#define CFG_SYS_NAND_READY_PIN AT91_PIN_PD5
Stefan Roesea71e2f92019-04-02 10:57:27 +020032
Stefan Roesea71e2f92019-04-02 10:57:27 +020033/* SPL */
Stefan Roesea71e2f92019-04-02 10:57:27 +020034
Stefan Roesea71e2f92019-04-02 10:57:27 +020035#define CONFIG_SYS_MASTER_CLOCK 132096000
36#define CONFIG_SYS_AT91_PLLA 0x20c73f03
37#define CONFIG_SYS_MCKR 0x1301
38#define CONFIG_SYS_MCKR_CSS 0x1302
39
Tom Rini4e590942022-11-12 17:36:51 -050040#define CFG_SYS_NAND_U_BOOT_SIZE 0xa0000
41#define CFG_SYS_NAND_U_BOOT_START CONFIG_TEXT_BASE
42#define CFG_SYS_NAND_U_BOOT_DST CONFIG_TEXT_BASE
Stefan Roesea71e2f92019-04-02 10:57:27 +020043
Stefan Roesea71e2f92019-04-02 10:57:27 +020044#endif