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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* 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>
*/
#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>
/*
* Warning: changing CONFIG_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_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_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_RAM_SIZE 0x1000
#define CONFIG_SYS_INIT_RAM_ADDR ATMEL_BASE_SRAM1
/* NAND flash */
#ifdef CONFIG_CMD_NAND
#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
#if defined(CONFIG_BOARD_TAURUS)
/* USB DFU support */
#define CONFIG_USB_GADGET_AT91
/* DFU class support */
#define DFU_MANIFEST_POLL_TIMEOUT 25000
#endif
/* SPI EEPROM */
#define TAURUS_SPI_MASK (1 << 4)
/* bootstrap in spi flash , u-boot + env + linux in nandflash */
#if defined(CONFIG_BOARD_AXM)
#define CONFIG_EXTRA_ENV_SETTINGS \
"addip=setenv bootargs ${bootargs} ip=${ipaddr}:${serverip}:" \
"${gatewayip}:${netmask}:${hostname}:${netdev}::off\0" \
"addtest=setenv bootargs ${bootargs} loglevel=4 test\0" \
"boot_file=setenv bootfile /${project_dir}/kernel/uImage\0" \
"boot_retries=0\0" \
"ethact=macb0\0" \
"flash_nfs=run nand_kernel;run nfsargs;run addip;" \
"upgrade_available;bootm ${kernel_ram};reset\0" \
"flash_self=run nand_kernel;run setbootargs;upgrade_available;" \
"bootm ${kernel_ram};reset\0" \
"flash_self_test=run nand_kernel;run setbootargs addtest;" \
"upgrade_available;bootm ${kernel_ram};reset\0" \
"hostname=systemone\0" \
"kernel_Off=0x00200000\0" \
"kernel_Off_fallback=0x03800000\0" \
"kernel_ram=0x21500000\0" \
"kernel_size=0x00400000\0" \
"kernel_size_fallback=0x00400000\0" \
"loads_echo=1\0" \
"nand_kernel=nand read.e ${kernel_ram} ${kernel_Off} " \
"${kernel_size}\0" \
"net_nfs=run boot_file;tftp ${kernel_ram} ${bootfile};" \
"run nfsargs;run addip;upgrade_available;" \
"bootm ${kernel_ram};reset\0" \
"netdev=eth0\0" \
"nfsargs=run root_path;setenv bootargs ${bootargs} root=/dev/nfs " \
"rw nfsroot=${serverip}:${rootpath} " \
"at91sam9_wdt.wdt_timeout=16\0" \
"partitionset_active=A\0" \
"preboot=echo;echo Type 'run flash_self' to use kernel and root " \
"filesystem on memory;echo Type 'run flash_nfs' to use " \
"kernel from memory and root filesystem over NFS;echo Type " \
"'run net_nfs' to get Kernel over TFTP and mount root " \
"filesystem over NFS;echo\0" \
"project_dir=systemone\0" \
"root_path=setenv rootpath /home/projects/${project_dir}/rootfs\0" \
"rootfs=/dev/mtdblock5\0" \
"rootfs_fallback=/dev/mtdblock7\0" \
"setbootargs=setenv bootargs ${bootargs} console=ttyMTD,mtdoops " \
"root=${rootfs} rootfstype=jffs2 panic=7 " \
"at91sam9_wdt.wdt_timeout=16\0" \
"stderr=serial\0" \
"stdin=serial\0" \
"stdout=serial\0" \
"upgrade_available=0\0"
#endif
/* Defines for SPL */
#define CONFIG_SYS_NAND_ENABLE_PIN_SPL (2*32 + 14)
#define CONFIG_SYS_NAND_U_BOOT_SIZE SZ_512K
#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_TEXT_BASE
#define CONFIG_SYS_NAND_U_BOOT_DST CONFIG_TEXT_BASE
#define CONFIG_SYS_NAND_SIZE (256 * SZ_1M)
#define CONFIG_SYS_NAND_ECCSIZE 256
#define CONFIG_SYS_NAND_ECCBYTES 3
#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_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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