corvus.h
4.12 KB
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/*
* Common board functions for siemens AT91SAM9G45 based boards
* (C) Copyright 2013 Siemens AG
*
* Based on:
* U-Boot file: include/configs/at91sam9m10g45ek.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
#include <asm/hardware.h>
#include <linux/sizes.h>
/*
* 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!
*/
#define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
/* ARM asynchronous clock */
#define CONFIG_SYS_AT91_SLOW_CLOCK 32768
#define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* from 12 MHz crystal */
#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_USART_BASE ATMEL_BASE_DBGU
#define CONFIG_USART_ID ATMEL_ID_SYS
/* LED */
#define CONFIG_AT91_LED
#define CONFIG_RED_LED AT91_PIN_PD31 /* this is the user1 led */
#define CONFIG_GREEN_LED AT91_PIN_PD0 /* this is the user2 led */
/*
* BOOTP options
*/
#define CONFIG_BOOTP_BOOTFILESIZE
/* SDRAM */
#define CONFIG_NR_DRAM_BANKS 1
#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS6
#define CONFIG_SYS_SDRAM_SIZE 0x08000000
#define CONFIG_SYS_INIT_SP_ADDR \
(CONFIG_SYS_SDRAM_BASE + SZ_32K - 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
/* 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 AT91_PIN_PC14
#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC8
#endif
/* Ethernet */
#define CONFIG_MACB
#define CONFIG_RMII
#define CONFIG_NET_RETRY_COUNT 20
#define CONFIG_AT91_WANTS_COMMON_PHY
#define CONFIG_MTD_DEVICE
#define CONFIG_MTD_PARTITIONS
/* DFU class support */
#define CONFIG_SYS_DFU_DATA_BUF_SIZE (SZ_1M)
#define DFU_MANIFEST_POLL_TIMEOUT 25000
#define CONFIG_SYS_LOAD_ADDR ATMEL_BASE_CS6
/* bootstrap + u-boot + env in nandflash */
#define CONFIG_ENV_OFFSET 0x100000
#define CONFIG_ENV_OFFSET_REDUND 0x180000
#define CONFIG_ENV_SIZE SZ_128K
#define CONFIG_BOOTCOMMAND \
"nand read 0x70000000 0x200000 0x300000;" \
"bootm 0x70000000"
/*
* 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 0x300000
#define CONFIG_SPL_MAX_SIZE (12 * SZ_1K)
#define CONFIG_SPL_STACK (SZ_16K)
#define CONFIG_SPL_BSS_START_ADDR CONFIG_SPL_MAX_SIZE
#define CONFIG_SPL_BSS_MAX_SIZE (SZ_2K)
#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 0x80000
#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_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 0x20c73f03
#define CONFIG_SYS_MCKR 0x1301
#define CONFIG_SYS_MCKR_CSS 0x1302
#endif