163 lines
4.4 KiB
C
163 lines
4.4 KiB
C
/*
|
|
* (C) Copyright 2011
|
|
* egnite GmbH <info@egnite.de>
|
|
*
|
|
* Configuation settings for Ethernut 5 with AT91SAM9XE.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#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 */
|
|
#define CONFIG_ARCH_CPU_INIT
|
|
|
|
/* 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_NR_DRAM_BANKS 1
|
|
#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))
|
|
#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
|
|
#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_TEXT_BASE \
|
|
- CONFIG_SYS_MALLOC_LEN)
|
|
|
|
/* 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_SYS_FLASH_PROTECTION /* First stage loader in sector 0 */
|
|
# define CONFIG_EFLASH_PROTSECTORS 1
|
|
|
|
|
|
/* bootstrap + u-boot + env + linux in dataflash on CS0 */
|
|
#define CONFIG_ENV_OFFSET 0x3DE000
|
|
#define CONFIG_ENV_SIZE (132 << 10)
|
|
#define CONFIG_ENV_SECT_SIZE CONFIG_ENV_SIZE
|
|
#define CONFIG_ENV_SPI_MAX_HZ 15000000
|
|
|
|
#ifndef MINIMAL_LOADER
|
|
#endif
|
|
|
|
/* 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
|
|
#define CONFIG_NAND_ATMEL
|
|
/* 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_RTC_PCF8563
|
|
#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 */
|
|
#define CONFIG_MTD_DEVICE
|
|
#define CONFIG_MTD_PARTITIONS
|
|
|
|
/* 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
|