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25c1b1353c
This patch adds SDRAM support for stm32f746 discovery board. This patch depends on previous patch. This patch is based on STM32F4 and emcraft's[1]. [1]: https://github.com/EmcraftSystems/u-boot Signed-off-by: Toshifumi NISHINAGA <tnishinaga.dev@gmail.com>
83 lines
2.1 KiB
C
83 lines
2.1 KiB
C
/*
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* (C) Copyright 2016
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* Vikas Manocha, <vikas.manocha@st.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __CONFIG_H
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#define __CONFIG_H
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#define CONFIG_SYS_THUMB_BUILD
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/*#define CONFIG_SYS_NO_FLASH*/
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#define CONFIG_BOARD_EARLY_INIT_F
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#define CONFIG_SYS_FLASH_BASE 0x08000000
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#define CONFIG_SYS_INIT_SP_ADDR 0x20050000
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#define CONFIG_SYS_TEXT_BASE 0x08000000
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#define CONFIG_SYS_ICACHE_OFF
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#define CONFIG_SYS_DCACHE_OFF
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/*
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* Configuration of the external SDRAM memory
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*/
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#define CONFIG_NR_DRAM_BANKS 1
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#define CONFIG_SYS_RAM_SIZE (8 * 1024 * 1024)
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#define CONFIG_SYS_RAM_CS 1
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#define CONFIG_SYS_RAM_FREQ_DIV 2
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#define CONFIG_SYS_RAM_BASE 0xC0000000
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#define CONFIG_SYS_SDRAM_BASE CONFIG_SYS_RAM_BASE
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#define CONFIG_SYS_LOAD_ADDR 0xC0400000
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#define CONFIG_LOADADDR 0xC0400000
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#define CONFIG_SYS_MAX_FLASH_SECT 8
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#define CONFIG_SYS_MAX_FLASH_BANKS 1
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#define CONFIG_ENV_IS_NOWHERE
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#define CONFIG_ENV_SIZE (8 << 10)
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#define CONFIG_STM32_GPIO
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#define CONFIG_STM32_FLASH
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#define CONFIG_STM32X7_SERIAL
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#define CONFIG_STM32_HSE_HZ 25000000
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#define CONFIG_SYS_CLK_FREQ 200000000 /* 200 MHz */
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#define CONFIG_SYS_HZ_CLOCK 1000000 /* Timer is clocked at 1MHz */
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#define CONFIG_CMDLINE_TAG
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#define CONFIG_SETUP_MEMORY_TAGS
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#define CONFIG_INITRD_TAG
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#define CONFIG_REVISION_TAG
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#define CONFIG_SYS_CBSIZE 1024
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#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \
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+ sizeof(CONFIG_SYS_PROMPT) + 16)
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#define CONFIG_SYS_MAXARGS 16
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#define CONFIG_SYS_MALLOC_LEN (16 * 1024)
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#define CONFIG_STACKSIZE (64 << 10)
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#define CONFIG_BAUDRATE 115200
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#define CONFIG_BOOTARGS \
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"console=ttyS0,115200 earlyprintk consoleblank=0 ignore_loglevel"
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#define CONFIG_BOOTCOMMAND \
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"run bootcmd_romfs"
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#define CONFIG_EXTRA_ENV_SETTINGS \
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"bootargs_romfs=uclinux.physaddr=0x08180000 root=/dev/mtdblock0\0" \
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"bootcmd_romfs=setenv bootargs ${bootargs} ${bootargs_romfs};" \
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"bootm 0x08044000 - 0x08042000\0"
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/*
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* Command line configuration.
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*/
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#define CONFIG_SYS_LONGHELP
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#define CONFIG_AUTO_COMPLETE
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#define CONFIG_CMDLINE_EDITING
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#define CONFIG_CMD_MEM
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#endif /* __CONFIG_H */
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