| /* |
| * (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. */ |
| #define CONFIG_SYS_TEXT_BASE 0x27000000 /* 16MB available */ |
| |
| /* 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_BOOTP_BOOTPATH |
| #define CONFIG_BOOTP_GATEWAY |
| #define CONFIG_BOOTP_HOSTNAME |
| #define CONFIG_SYS_AUTOLOAD "n" |
| #endif |
| |
| /* File systems */ |
| #define CONFIG_MTD_DEVICE |
| #define CONFIG_MTD_PARTITIONS |
| #if defined(CONFIG_CMD_MTDPARTS) || defined(CONFIG_CMD_NAND) |
| #define MTDIDS_DEFAULT "nand0=atmel_nand" |
| #define MTDPARTS_DEFAULT "mtdparts=atmel_nand:-(root)" |
| #endif |
| |
| /* 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 */ |
| #define CONFIG_SYS_CBSIZE 256 |
| #define CONFIG_SYS_MAXARGS 16 |
| #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + 16 \ |
| + sizeof(CONFIG_SYS_PROMPT)) |
| #define CONFIG_SYS_LONGHELP |
| #define CONFIG_CMDLINE_EDITING |
| |
| #endif |