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- /* SPDX-License-Identifier: GPL-2.0+ */
- /*
- * (C) Copyright 2011
- * egnite GmbH <info@egnite.de>
- *
- * Configuation settings for Ethernut 5 with AT91SAM9XE.
- */
- #ifndef __CONFIG_H
- #define __CONFIG_H
- #include <asm/hardware.h>
- /* The first stage boot loader expects u-boot running at this address. */
- /* The first stage boot loader takes care of low level initialization. */
- #define CONFIG_SKIP_LOWLEVEL_INIT
- /* Set our official architecture number. */
- #define CONFIG_MACH_TYPE MACH_TYPE_ETHERNUT5
- /* CPU information */
- /* ARM asynchronous clock */
- #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
- #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* 18.432 MHz crystal */
- /* 32kB internal SRAM */
- #define CONFIG_SRAM_BASE 0x00300000 /*AT91SAM9XE_SRAM_BASE */
- #define CONFIG_SRAM_SIZE (32 << 10)
- #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SRAM_BASE + CONFIG_SRAM_SIZE - \
- GENERATED_GBL_DATA_SIZE)
- /* 128MB SDRAM in 1 bank */
- #define CONFIG_SYS_SDRAM_BASE 0x20000000
- #define CONFIG_SYS_SDRAM_SIZE (128 << 20)
- #define CONFIG_SYS_LOAD_ADDR CONFIG_SYS_SDRAM_BASE
- #define CONFIG_LOADADDR CONFIG_SYS_LOAD_ADDR
- #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (1 << 20))
- /* 512kB on-chip NOR flash */
- # define CONFIG_SYS_MAX_FLASH_BANKS 1
- # define CONFIG_SYS_FLASH_BASE 0x00200000 /* AT91SAM9XE_FLASH_BASE */
- # define CONFIG_AT91_EFLASH
- # define CONFIG_SYS_MAX_FLASH_SECT 32
- # define CONFIG_EFLASH_PROTSECTORS 1
- /* bootstrap + u-boot + env + linux in dataflash on CS0 */
- /* NAND flash */
- #ifdef CONFIG_CMD_NAND
- #define CONFIG_SYS_MAX_NAND_DEVICE 1
- #define CONFIG_SYS_NAND_BASE 0x40000000
- #define CONFIG_SYS_NAND_DBW_8
- /* our ALE is AD21 */
- #define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
- /* our CLE is AD22 */
- #define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
- #define CONFIG_SYS_NAND_ENABLE_PIN GPIO_PIN_PC(14)
- #endif
- /* JFFS2 */
- #ifdef CONFIG_CMD_JFFS2
- #define CONFIG_JFFS2_CMDLINE
- #define CONFIG_JFFS2_NAND
- #endif
- /* Ethernet */
- #define CONFIG_NET_RETRY_COUNT 20
- #define CONFIG_MACB
- #define CONFIG_RMII
- #define CONFIG_PHY_ID 0
- #define CONFIG_MACB_SEARCH_PHY
- /* MMC */
- #ifdef CONFIG_CMD_MMC
- #define CONFIG_GENERIC_ATMEL_MCI
- #define CONFIG_SYS_MMC_CD_PIN AT91_PIO_PORTC, 8
- #endif
- /* USB */
- #ifdef CONFIG_CMD_USB
- #define CONFIG_USB_ATMEL
- #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
- #define CONFIG_USB_OHCI_NEW
- #define CONFIG_SYS_USB_OHCI_CPU_INIT
- #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000
- #define CONFIG_SYS_USB_OHCI_SLOT_NAME "host"
- #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
- #endif
- /* RTC */
- #if defined(CONFIG_CMD_DATE) || defined(CONFIG_CMD_SNTP)
- #define CONFIG_SYS_I2C_RTC_ADDR 0x51
- #endif
- /* I2C */
- #define CONFIG_SYS_MAX_I2C_BUS 1
- #define CONFIG_SYS_I2C
- #define CONFIG_SYS_I2C_SOFT /* I2C bit-banged */
- #define CONFIG_SYS_I2C_SOFT_SPEED 100000
- #define CONFIG_SYS_I2C_SOFT_SLAVE 0
- #define I2C_SOFT_DECLARATIONS
- #define GPIO_I2C_SCL AT91_PIO_PORTA, 24
- #define GPIO_I2C_SDA AT91_PIO_PORTA, 23
- #define I2C_INIT { \
- at91_set_pio_periph(AT91_PIO_PORTA, 23, 0); \
- at91_set_pio_multi_drive(AT91_PIO_PORTA, 23, 1); \
- at91_set_pio_periph(AT91_PIO_PORTA, 24, 0); \
- at91_set_pio_output(AT91_PIO_PORTA, 24, 0); \
- at91_set_pio_multi_drive(AT91_PIO_PORTA, 24, 1); \
- }
- #define I2C_ACTIVE at91_set_pio_output(AT91_PIO_PORTA, 23, 0)
- #define I2C_TRISTATE at91_set_pio_input(AT91_PIO_PORTA, 23, 0)
- #define I2C_SCL(bit) at91_set_pio_value(AT91_PIO_PORTA, 24, bit)
- #define I2C_SDA(bit) at91_set_pio_value(AT91_PIO_PORTA, 23, bit)
- #define I2C_DELAY udelay(100)
- #define I2C_READ at91_get_pio_value(AT91_PIO_PORTA, 23)
- /* DHCP/BOOTP options */
- #ifdef CONFIG_CMD_DHCP
- #define CONFIG_BOOTP_BOOTFILESIZE
- #define CONFIG_SYS_AUTOLOAD "n"
- #endif
- /* File systems */
- /* Boot command */
- #define CONFIG_CMDLINE_TAG
- #define CONFIG_SETUP_MEMORY_TAGS
- #define CONFIG_INITRD_TAG
- #define CONFIG_BOOTCOMMAND "sf probe 0:0; " \
- "sf read 0x22000000 0xc6000 0x294000; " \
- "bootm 0x22000000"
- /* Misc. u-boot settings */
- #endif
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