mirror of
https://github.com/AsahiLinux/u-boot
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65cc0e2a65
The rest of the unmigrated CONFIG symbols in the CONFIG_SYS namespace do not easily transition to Kconfig. In many cases they likely should come from the device tree instead. Move these out of CONFIG namespace and in to CFG namespace. Signed-off-by: Tom Rini <trini@konsulko.com> Reviewed-by: Simon Glass <sjg@chromium.org>
93 lines
2.3 KiB
C
93 lines
2.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* (C) Copyright 2011
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* egnite GmbH <info@egnite.de>
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*
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* Configuation settings for Ethernut 5 with AT91SAM9XE.
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*/
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#ifndef __CONFIG_H
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#define __CONFIG_H
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#include <asm/hardware.h>
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/* The first stage boot loader expects u-boot running at this address. */
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/* The first stage boot loader takes care of low level initialization. */
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/* CPU information */
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/* ARM asynchronous clock */
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#define CFG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
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#define CFG_SYS_AT91_MAIN_CLOCK 18432000 /* 18.432 MHz crystal */
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/* 32kB internal SRAM */
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#define CFG_SYS_INIT_RAM_ADDR 0x00300000 /*AT91SAM9XE_SRAM_BASE */
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#define CFG_SYS_INIT_RAM_SIZE (32 << 10)
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/* 128MB SDRAM in 1 bank */
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#define CFG_SYS_SDRAM_BASE 0x20000000
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#define CFG_SYS_SDRAM_SIZE (128 << 20)
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/* 512kB on-chip NOR flash */
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# define CFG_SYS_FLASH_BASE 0x00200000 /* AT91SAM9XE_FLASH_BASE */
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/* bootstrap + u-boot + env + linux in dataflash on CS0 */
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/* NAND flash */
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#ifdef CONFIG_CMD_NAND
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#define CFG_SYS_NAND_BASE 0x40000000
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/* our ALE is AD21 */
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#define CFG_SYS_NAND_MASK_ALE (1 << 21)
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/* our CLE is AD22 */
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#define CFG_SYS_NAND_MASK_CLE (1 << 22)
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#define CFG_SYS_NAND_ENABLE_PIN GPIO_PIN_PC(14)
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#endif
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/* JFFS2 */
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/* Ethernet */
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#define CONFIG_PHY_ID 0
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#define CONFIG_MACB_SEARCH_PHY
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/* MMC */
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#ifdef CONFIG_CMD_MMC
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#define CFG_SYS_MMC_CD_PIN AT91_PIO_PORTC, 8
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#endif
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/* RTC */
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#if defined(CONFIG_CMD_DATE) || defined(CONFIG_CMD_SNTP)
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#define CFG_SYS_I2C_RTC_ADDR 0x51
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#endif
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/* I2C */
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#define CFG_SYS_MAX_I2C_BUS 1
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#define I2C_SOFT_DECLARATIONS
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#define GPIO_I2C_SCL AT91_PIO_PORTA, 24
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#define GPIO_I2C_SDA AT91_PIO_PORTA, 23
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#define I2C_INIT { \
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at91_set_pio_periph(AT91_PIO_PORTA, 23, 0); \
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at91_set_pio_multi_drive(AT91_PIO_PORTA, 23, 1); \
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at91_set_pio_periph(AT91_PIO_PORTA, 24, 0); \
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at91_set_pio_output(AT91_PIO_PORTA, 24, 0); \
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at91_set_pio_multi_drive(AT91_PIO_PORTA, 24, 1); \
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}
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#define I2C_ACTIVE at91_set_pio_output(AT91_PIO_PORTA, 23, 0)
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#define I2C_TRISTATE at91_set_pio_input(AT91_PIO_PORTA, 23, 0)
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#define I2C_SCL(bit) at91_set_pio_value(AT91_PIO_PORTA, 24, bit)
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#define I2C_SDA(bit) at91_set_pio_value(AT91_PIO_PORTA, 23, bit)
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#define I2C_DELAY udelay(100)
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#define I2C_READ at91_get_pio_value(AT91_PIO_PORTA, 23)
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/* File systems */
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/* Boot command */
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/* Misc. u-boot settings */
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#endif
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