mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-12 22:26:16 +09:00
8a8f084e4f
This patch is added to support SPL feature on AM335X platform. In this patch, MMC1 is configured as boot device for SPL and support for other devices will be added in the next patch series. Signed-off-by: Chandan Nath <chandan.nath@ti.com> Signed-off-by: Tom Rini <trini@ti.com> Acked-by: Igor Grinberg <grinberg@compulab.co.il>
162 lines
4.8 KiB
C
162 lines
4.8 KiB
C
/*
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* am335x_evm.h
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*
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* Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation version 2.
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*
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* This program is distributed "as is" WITHOUT ANY WARRANTY of any
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* kind, whether express or implied; without even the implied warranty
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __CONFIG_AM335X_EVM_H
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#define __CONFIG_AM335X_EVM_H
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#define CONFIG_AM33XX
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#define CONFIG_CMD_MEMORY /* for mtest */
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#undef CONFIG_GZIP
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#undef CONFIG_ZLIB
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#undef CONFIG_SYS_HUSH_PARSER
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#undef CONFIG_CMD_NET
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#include <asm/arch/cpu.h>
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#include <asm/arch/hardware.h>
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#define CONFIG_ENV_SIZE 0x400
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#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (8 * 1024))
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#define CONFIG_SYS_PROMPT "U-Boot# "
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#define CONFIG_SYS_NO_FLASH
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#define MACH_TYPE_TIAM335EVM 3589 /* Until the next sync */
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#define CONFIG_MACH_TYPE MACH_TYPE_TIAM335EVM
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#define CONFIG_CMD_ASKENV
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#define CONFIG_VERSION_VARIABLE
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/* set to negative value for no autoboot */
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#define CONFIG_BOOTDELAY 3
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#define CONFIG_SYS_AUTOLOAD "no"
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#define CONFIG_BOOTFILE "uImage"
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#define CONFIG_EXTRA_ENV_SETTINGS \
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"verify=yes\0" \
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"ramdisk_file=ramdisk.gz\0" \
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/* Clock Defines */
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#define V_OSCK 24000000 /* Clock output from T2 */
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#define V_SCLK (V_OSCK)
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#define CONFIG_CMD_ECHO
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/* max number of command args */
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#define CONFIG_SYS_MAXARGS 16
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/* Console I/O Buffer Size */
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#define CONFIG_SYS_CBSIZE 512
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/* Print Buffer Size */
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#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \
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+ sizeof(CONFIG_SYS_PROMPT) + 16)
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/* Boot Argument Buffer Size */
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#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
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/*
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* memtest works on 8 MB in DRAM after skipping 32MB from
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* start addr of ram disk
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*/
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#define CONFIG_SYS_MEMTEST_START (PHYS_DRAM_1 + (64 * 1024 * 1024))
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#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START \
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+ (8 * 1024 * 1024))
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#define CONFIG_SYS_LOAD_ADDR 0x81000000 /* Default load address */
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#define CONFIG_SYS_HZ 1000 /* 1ms clock */
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#define CONFIG_MMC
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#define CONFIG_GENERIC_MMC
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#define CONFIG_OMAP_HSMMC
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#define CONFIG_CMD_MMC
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#define CONFIG_DOS_PARTITION
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#define CONFIG_CMD_FAT
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#define CONFIG_CMD_EXT2
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/* Physical Memory Map */
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#define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */
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#define PHYS_DRAM_1 0x80000000 /* DRAM Bank #1 */
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#define PHYS_DRAM_1_SIZE 0x10000000 /*(0x80000000 / 8) 256 MB */
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#define CONFIG_MAX_RAM_BANK_SIZE (1024 << 20) /* 1GB */
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#define CONFIG_SYS_SDRAM_BASE PHYS_DRAM_1
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#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x1000 - \
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GENERATED_GBL_DATA_SIZE)
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/* Platform/Board specific defs */
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#define CONFIG_SYS_TIMERBASE 0x48040000 /* Use Timer2 */
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#define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */
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#define CONFIG_SYS_HZ 1000
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/* NS16550 Configuration */
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#define CONFIG_SYS_NS16550
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#define CONFIG_SYS_NS16550_SERIAL
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#define CONFIG_SYS_NS16550_REG_SIZE (-4)
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#define CONFIG_SYS_NS16550_CLK (48000000)
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#define CONFIG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */
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#define CONFIG_BAUDRATE 115200
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#define CONFIG_SYS_BAUDRATE_TABLE { 110, 300, 600, 1200, 2400, \
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4800, 9600, 14400, 19200, 28800, 38400, 56000, 57600, 115200 }
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/*
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* select serial console configuration
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*/
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#define CONFIG_SERIAL1 1
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#define CONFIG_CONS_INDEX 1
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#define CONFIG_SYS_CONSOLE_INFO_QUIET
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#define CONFIG_ENV_IS_NOWHERE
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/* Defines for SPL */
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#define CONFIG_SPL
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#define CONFIG_SPL_TEXT_BASE 0x402F0400
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#define CONFIG_SPL_MAX_SIZE (46 * 1024)
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#define CONFIG_SPL_STACK LOW_LEVEL_SRAM_STACK
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#define CONFIG_SPL_BSS_START_ADDR 0x80000000
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#define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */
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#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */
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#define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x200 /* 256 KB */
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#define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION 1
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#define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME "u-boot.img"
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#define CONFIG_SPL_MMC_SUPPORT
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#define CONFIG_SPL_FAT_SUPPORT
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#define CONFIG_SPL_LIBCOMMON_SUPPORT
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#define CONFIG_SPL_LIBDISK_SUPPORT
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#define CONFIG_SPL_LIBGENERIC_SUPPORT
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#define CONFIG_SPL_SERIAL_SUPPORT
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#define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/omap-common/u-boot-spl.lds"
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/*
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* 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
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* 64 bytes before this address should be set aside for u-boot.img's
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* header. That is 0x800FFFC0--0x80100000 should not be used for any
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* other needs.
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*/
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#define CONFIG_SYS_TEXT_BASE 0x80800000
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#define CONFIG_SYS_SPL_MALLOC_START 0x80208000
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#define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000
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/* Since SPL did pll and ddr initialization for us,
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* we don't need to do it twice.
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*/
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#ifndef CONFIG_SPL_BUILD
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#define CONFIG_SKIP_LOWLEVEL_INIT
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#endif
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/* Unsupported features */
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#undef CONFIG_USE_IRQ
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#endif /* ! __CONFIG_AM335X_EVM_H */
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