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/*
* Common board functions for Siemens TAURUS (AT91SAM9G20) based boards
* (C) Copyright 2013 Siemens AG
*
* Based on:
* U-Boot file: include/configs/at91sam9260ek.h
*
* (C) Copyright 2007-2008
* Stelian Pop <stelian@popies.net>
* Lead Tech Design <www.leadtechdesign.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __CONFIG_H
#define __CONFIG_H
/*
* SoC must be defined first, before hardware.h is included.
* In this case SoC is defined in boards.cfg.
*/
#include <asm/hardware.h>
#include <linux/sizes.h>
#if defined(CONFIG_SPL_BUILD)
#define CONFIG_SYS_ICACHE_OFF
#define CONFIG_SYS_DCACHE_OFF
#endif
/*
* Warning: changing CONFIG_SYS_TEXT_BASE requires
* adapting the initial boot program.
* Since the linker has to swallow that define, we must use a pure
* hex number here!
*/
/* ARM asynchronous clock */
#define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
#define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */
/* Misc CPU related */
#define CONFIG_ARCH_CPU_INIT
#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_INITRD_TAG
#define CONFIG_SKIP_LOWLEVEL_INIT_ONLY
/* general purpose I/O */
#define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
#define CONFIG_AT91_GPIO
#define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */
/* serial console */
#define CONFIG_ATMEL_USART
#define CONFIG_USART_BASE ATMEL_BASE_DBGU
#define CONFIG_USART_ID ATMEL_ID_SYS
/*
* SDRAM: 1 bank, min 32, max 128 MB
* Initialized before u-boot gets started.
*/
#define CONFIG_NR_DRAM_BANKS 1
#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
#define CONFIG_SYS_SDRAM_SIZE (128 * SZ_1M)
/*
* Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
* leaving the correct space for initial global data structure above
* that address while providing maximum stack area below.
*/
#define CONFIG_SYS_INIT_SP_ADDR \
(ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
/* NAND flash */
#ifdef CONFIG_CMD_NAND
#define CONFIG_NAND_ATMEL
#define CONFIG_SYS_MAX_NAND_DEVICE 1
#define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
#define CONFIG_SYS_NAND_DBW_8
#define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
#define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
#endif
/* Ethernet */
#define CONFIG_MACB
#define CONFIG_RMII
#define CONFIG_AT91_WANTS_COMMON_PHY
#define CONFIG_AT91SAM9_WATCHDOG
#define CONFIG_AT91_HW_WDT_TIMEOUT 15
#if !defined(CONFIG_SPL_BUILD)
/* Enable the watchdog */
#define CONFIG_HW_WATCHDOG
#endif
/* USB */
#if defined(CONFIG_BOARD_TAURUS)
#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 "at91sam9260"
#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
/* USB DFU support */
#define CONFIG_MTD_DEVICE
#define CONFIG_MTD_PARTITIONS
#define CONFIG_USB_GADGET_AT91
/* DFU class support */
#define CONFIG_SYS_DFU_DATA_BUF_SIZE (SZ_1M)
#define DFU_MANIFEST_POLL_TIMEOUT 25000
#endif
/* SPI EEPROM */
#define CONFIG_SPI
#define CONFIG_ATMEL_SPI
#define TAURUS_SPI_MASK (1 << 4)
#define TAURUS_SPI_CS_PIN AT91_PIN_PA3
#if defined(CONFIG_SPL_BUILD)
/* SPL related */
#define CONFIG_SPL_SPI_LOAD
#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000
#define CONFIG_SF_DEFAULT_BUS 0
#define CONFIG_SF_DEFAULT_SPEED 1000000
#define CONFIG_SF_DEFAULT_MODE SPI_MODE_3
#endif
/* load address */
#define CONFIG_SYS_LOAD_ADDR 0x22000000
/* bootstrap in spi flash , u-boot + env + linux in nandflash */
#define CONFIG_ENV_OFFSET 0x100000
#define CONFIG_ENV_OFFSET_REDUND 0x180000
#define CONFIG_ENV_SIZE (SZ_128K) /* 1 sector = 128 kB */
#define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm"
/*
* Size of malloc() pool
*/
#define CONFIG_SYS_MALLOC_LEN \
ROUND(3 * CONFIG_ENV_SIZE + SZ_4M, 0x1000)
/* Defines for SPL */
#define CONFIG_SPL_TEXT_BASE 0x0
#define CONFIG_SPL_MAX_SIZE (31 * SZ_512)
#define CONFIG_SPL_STACK (ATMEL_BASE_SRAM1 + SZ_16K)
#define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SYS_TEXT_BASE - \
CONFIG_SYS_MALLOC_LEN)
#define CONFIG_SYS_SPL_MALLOC_SIZE CONFIG_SYS_MALLOC_LEN
#define CONFIG_SPL_BSS_START_ADDR CONFIG_SPL_MAX_SIZE
#define CONFIG_SPL_BSS_MAX_SIZE (3 * SZ_512)
#define CONFIG_SYS_NAND_ENABLE_PIN_SPL (2*32 + 14)
#define CONFIG_SYS_USE_NANDFLASH 1
#define CONFIG_SPL_NAND_DRIVERS
#define CONFIG_SPL_NAND_BASE
#define CONFIG_SPL_NAND_ECC
#define CONFIG_SPL_NAND_RAW_ONLY
#define CONFIG_SPL_NAND_SOFTECC
#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x20000
#define CONFIG_SYS_NAND_U_BOOT_SIZE SZ_512K
#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
#define CONFIG_SYS_NAND_U_BOOT_DST CONFIG_SYS_TEXT_BASE
#define CONFIG_SYS_NAND_5_ADDR_CYCLE
#define CONFIG_SYS_NAND_SIZE (256 * SZ_1M)
#define CONFIG_SYS_NAND_PAGE_SIZE SZ_2K
#define CONFIG_SYS_NAND_BLOCK_SIZE (SZ_128K)
#define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \
CONFIG_SYS_NAND_PAGE_SIZE)
#define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS
#define CONFIG_SYS_NAND_ECCSIZE 256
#define CONFIG_SYS_NAND_ECCBYTES 3
#define CONFIG_SYS_NAND_OOBSIZE 64
#define CONFIG_SYS_NAND_ECCPOS { 40, 41, 42, 43, 44, 45, 46, 47, \
48, 49, 50, 51, 52, 53, 54, 55, \
56, 57, 58, 59, 60, 61, 62, 63, }
#define CONFIG_SPL_ATMEL_SIZE
#define CONFIG_SYS_MASTER_CLOCK 132096000
#define AT91_PLL_LOCK_TIMEOUT 1000000
#define CONFIG_SYS_AT91_PLLA 0x202A3F01
#define CONFIG_SYS_MCKR 0x1300
#define CONFIG_SYS_MCKR_CSS (0x02 | CONFIG_SYS_MCKR)
#define CONFIG_SYS_AT91_PLLB 0x10193F05
#endif
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