mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-05 19:10:13 +00:00
53040bc4d9
Heap base address is computed based on SYS_INIT_SP_ADDR by subtracting the SYS_MALLOC_F_LEN value in board_init_f_init_reserve(). Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
86 lines
2.4 KiB
C
86 lines
2.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
|
|
/*
|
|
* Configuation settings for the SAM9X60EK board.
|
|
*
|
|
* Copyright (C) 2018 Microchip Technology Inc. and its subsidiaries
|
|
*
|
|
* Author: Sandeep Sheriker M <sandeep.sheriker@microchip.com>
|
|
*/
|
|
|
|
#ifndef __CONFIG_H__
|
|
#define __CONFIG_H__
|
|
|
|
/* ARM asynchronous clock */
|
|
#define CONFIG_SYS_AT91_SLOW_CLOCK 32768
|
|
#define CONFIG_SYS_AT91_MAIN_CLOCK 24000000 /* 24 MHz crystal */
|
|
|
|
#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
|
|
#define CONFIG_SETUP_MEMORY_TAGS
|
|
#define CONFIG_INITRD_TAG
|
|
#define CONFIG_SKIP_LOWLEVEL_INIT
|
|
|
|
#define CONFIG_USART_BASE ATMEL_BASE_DBGU
|
|
#define CONFIG_USART_ID 0 /* ignored in arm */
|
|
|
|
/* general purpose I/O */
|
|
#define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
|
|
|
|
/*
|
|
* BOOTP options
|
|
*/
|
|
#define CONFIG_BOOTP_BOOTFILESIZE
|
|
|
|
/*
|
|
* define CONFIG_USB_EHCI_HCD to enable USB Hi-Speed (aka 2.0)
|
|
* NB: in this case, USB 1.1 devices won't be recognized.
|
|
*/
|
|
|
|
/* SDRAM */
|
|
#define CONFIG_SYS_SDRAM_BASE 0x20000000
|
|
#define CONFIG_SYS_SDRAM_SIZE 0x10000000 /* 256 megs */
|
|
|
|
#define CONFIG_SYS_INIT_SP_ADDR \
|
|
(CONFIG_SYS_SDRAM_BASE + 16 * 1024 + CONFIG_SYS_MALLOC_F_LEN - \
|
|
GENERATED_GBL_DATA_SIZE)
|
|
|
|
/* NAND flash */
|
|
#ifdef CONFIG_CMD_NAND
|
|
#define CONFIG_SYS_MAX_NAND_DEVICE 1
|
|
#define CONFIG_SYS_NAND_BASE 0x40000000
|
|
#define CONFIG_SYS_NAND_MASK_ALE BIT(21)
|
|
#define CONFIG_SYS_NAND_MASK_CLE BIT(22)
|
|
#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PD4
|
|
#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PD5
|
|
#define CONFIG_SYS_NAND_ONFI_DETECTION
|
|
#endif
|
|
|
|
#define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
|
|
|
|
#ifdef CONFIG_SD_BOOT
|
|
/* bootstrap + u-boot + env + linux in sd card */
|
|
#define CONFIG_BOOTCOMMAND \
|
|
"fatload mmc 0:1 0x21000000 at91-sam9x60ek.dtb;" \
|
|
"fatload mmc 0:1 0x22000000 zImage;" \
|
|
"bootz 0x22000000 - 0x21000000"
|
|
|
|
#elif defined(CONFIG_NAND_BOOT)
|
|
/* bootstrap + u-boot + env + linux in nandflash */
|
|
#define CONFIG_BOOTCOMMAND "nand read " \
|
|
"0x22000000 0x200000 0x600000; " \
|
|
"nand read 0x21000000 0x180000 0x20000; " \
|
|
"bootz 0x22000000 - 0x21000000"
|
|
|
|
#elif defined(CONFIG_QSPI_BOOT)
|
|
/* bootstrap + u-boot + env + linux in SPI NOR flash */
|
|
#define CONFIG_BOOTCOMMAND "sf probe 0; " \
|
|
"sf read 0x21000000 0x180000 0x80000; " \
|
|
"sf read 0x22000000 0x200000 0x600000; " \
|
|
"bootz 0x22000000 - 0x21000000"
|
|
#endif
|
|
|
|
/*
|
|
* Size of malloc() pool
|
|
*/
|
|
#define CONFIG_SYS_MALLOC_LEN (512 * 1024 + 0x1000)
|
|
|
|
#endif
|