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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 3e204427c8369d6c34c2beaac29a539a55c7be4f / . / include / configs / ethernut5.h
blob: 182369def910c1a530060f9acf3de927e15876e5 [file] [log] [blame]
Tom Rini83d290c2018-05-06 17:58:06 -0400[diff] [blame]1/* SPDX-License-Identifier: GPL-2.0+ */
Tim Schendekehl14c32612011-11-01 23:55:01 +0000[diff] [blame]2/*
3 * (C) Copyright 2011
4 * egnite GmbH <info@egnite.de>
5 *
6 * Configuation settings for Ethernut 5 with AT91SAM9XE.
Tim Schendekehl14c32612011-11-01 23:55:01 +0000[diff] [blame]7 */
8
9#ifndef __CONFIG_H
10#define __CONFIG_H
11
12#include <asm/hardware.h>
13
14/* The first stage boot loader expects u-boot running at this address. */
Tim Schendekehl14c32612011-11-01 23:55:01 +0000[diff] [blame]15
16/* The first stage boot loader takes care of low level initialization. */
Tim Schendekehl14c32612011-11-01 23:55:01 +0000[diff] [blame]17
Tim Schendekehl14c32612011-11-01 23:55:01 +0000[diff] [blame]18/* CPU information */
Tim Schendekehl14c32612011-11-01 23:55:01 +0000[diff] [blame]19
20/* ARM asynchronous clock */
Tom Rini65cc0e22022-11-16 13:10:41 -0500[diff] [blame]21#define CFG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
22#define CFG_SYS_AT91_MAIN_CLOCK 18432000 /* 18.432 MHz crystal */
Tim Schendekehl14c32612011-11-01 23:55:01 +0000[diff] [blame]23
24/* 32kB internal SRAM */
Tom Rini65cc0e22022-11-16 13:10:41 -0500[diff] [blame]25#define CFG_SYS_INIT_RAM_ADDR 0x00300000 /*AT91SAM9XE_SRAM_BASE */
26#define CFG_SYS_INIT_RAM_SIZE (32 << 10)
Tim Schendekehl14c32612011-11-01 23:55:01 +0000[diff] [blame]27
28/* 128MB SDRAM in 1 bank */
Tom Riniaa6e94d2022-11-16 13:10:37 -0500[diff] [blame]29#define CFG_SYS_SDRAM_BASE 0x20000000
30#define CFG_SYS_SDRAM_SIZE (128 << 20)
Tim Schendekehl14c32612011-11-01 23:55:01 +0000[diff] [blame]31
32/* 512kB on-chip NOR flash */
Tom Rini65cc0e22022-11-16 13:10:41 -0500[diff] [blame]33# define CFG_SYS_FLASH_BASE 0x00200000 /* AT91SAM9XE_FLASH_BASE */
Tim Schendekehl14c32612011-11-01 23:55:01 +0000[diff] [blame]34
Tim Schendekehl14c32612011-11-01 23:55:01 +0000[diff] [blame]35
Wenyou.Yang@microchip.com94db5122017-07-21 14:30:57 +0800[diff] [blame]36/* bootstrap + u-boot + env + linux in dataflash on CS0 */
Tim Schendekehl14c32612011-11-01 23:55:01 +0000[diff] [blame]37
Tim Schendekehl14c32612011-11-01 23:55:01 +0000[diff] [blame]38/* NAND flash */
39#ifdef CONFIG_CMD_NAND
Tom Rini4e590942022-11-12 17:36:51 -0500[diff] [blame]40#define CFG_SYS_NAND_BASE 0x40000000
Tim Schendekehl14c32612011-11-01 23:55:01 +0000[diff] [blame]41/* our ALE is AD21 */
Tom Rini4e590942022-11-12 17:36:51 -0500[diff] [blame]42#define CFG_SYS_NAND_MASK_ALE (1 << 21)
Tim Schendekehl14c32612011-11-01 23:55:01 +0000[diff] [blame]43/* our CLE is AD22 */
Tom Rini4e590942022-11-12 17:36:51 -0500[diff] [blame]44#define CFG_SYS_NAND_MASK_CLE (1 << 22)
45#define CFG_SYS_NAND_ENABLE_PIN GPIO_PIN_PC(14)
Tim Schendekehl14c32612011-11-01 23:55:01 +0000[diff] [blame]46#endif
47
48/* JFFS2 */
Tim Schendekehl14c32612011-11-01 23:55:01 +0000[diff] [blame]49
50/* Ethernet */
Tom Rini52d596e2022-12-04 10:13:28 -0500[diff] [blame]51#define CFG_PHY_ID 0
Tim Schendekehl14c32612011-11-01 23:55:01 +0000[diff] [blame]52
53/* MMC */
54#ifdef CONFIG_CMD_MMC
Tom Rini65cc0e22022-11-16 13:10:41 -0500[diff] [blame]55#define CFG_SYS_MMC_CD_PIN AT91_PIO_PORTC, 8
Tim Schendekehl14c32612011-11-01 23:55:01 +0000[diff] [blame]56#endif
57
Tim Schendekehl14c32612011-11-01 23:55:01 +0000[diff] [blame]58/* RTC */
59#if defined(CONFIG_CMD_DATE) || defined(CONFIG_CMD_SNTP)
Tom Rini65cc0e22022-11-16 13:10:41 -0500[diff] [blame]60#define CFG_SYS_I2C_RTC_ADDR 0x51
Tim Schendekehl14c32612011-11-01 23:55:01 +0000[diff] [blame]61#endif
62
63/* I2C */
Tom Rini65cc0e22022-11-16 13:10:41 -0500[diff] [blame]64#define CFG_SYS_MAX_I2C_BUS 1
Tim Schendekehl14c32612011-11-01 23:55:01 +0000[diff] [blame]65
Tim Schendekehl14c32612011-11-01 23:55:01 +0000[diff] [blame]66#define I2C_SOFT_DECLARATIONS
67
68#define GPIO_I2C_SCL AT91_PIO_PORTA, 24
69#define GPIO_I2C_SDA AT91_PIO_PORTA, 23
70
71#define I2C_INIT { \
72 at91_set_pio_periph(AT91_PIO_PORTA, 23, 0); \
73 at91_set_pio_multi_drive(AT91_PIO_PORTA, 23, 1); \
74 at91_set_pio_periph(AT91_PIO_PORTA, 24, 0); \
75 at91_set_pio_output(AT91_PIO_PORTA, 24, 0); \
76 at91_set_pio_multi_drive(AT91_PIO_PORTA, 24, 1); \
77}
78
79#define I2C_ACTIVE at91_set_pio_output(AT91_PIO_PORTA, 23, 0)
80#define I2C_TRISTATE at91_set_pio_input(AT91_PIO_PORTA, 23, 0)
81#define I2C_SCL(bit) at91_set_pio_value(AT91_PIO_PORTA, 24, bit)
82#define I2C_SDA(bit) at91_set_pio_value(AT91_PIO_PORTA, 23, bit)
83#define I2C_DELAY udelay(100)
84#define I2C_READ at91_get_pio_value(AT91_PIO_PORTA, 23)
85
Tim Schendekehl14c32612011-11-01 23:55:01 +0000[diff] [blame]86/* File systems */
Tim Schendekehl14c32612011-11-01 23:55:01 +0000[diff] [blame]87
88/* Boot command */
Tim Schendekehl14c32612011-11-01 23:55:01 +0000[diff] [blame]89
90/* Misc. u-boot settings */
Tim Schendekehl14c32612011-11-01 23:55:01 +0000[diff] [blame]91
92#endif