mirror of
https://github.com/AsahiLinux/u-boot
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a2ac2b964b
This converts the following to Kconfig: CONFIG_SKIP_LOWLEVEL_INIT CONFIG_SKIP_LOWLEVEL_INIT_ONLY In order to do this, we need to introduce SPL and TPL variants of these options so that we can clearly disable these options only in SPL in some cases, and both instances in other cases. Signed-off-by: Tom Rini <trini@konsulko.com>
85 lines
3.1 KiB
C
85 lines
3.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* bur_am335x_common.h
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*
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* common parts used by B&R AM335x based boards
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*
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* Copyright (C) 2016 Hannes Schmelzer <oe5hpm@oevsv.at> -
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* Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
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*/
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#ifndef __BUR_AM335X_COMMON_H__
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#define __BUR_AM335X_COMMON_H__
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/* ------------------------------------------------------------------------- */
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/* legacy #defines for non DM bur-board */
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#ifndef CONFIG_DM
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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
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#endif /* CONFIG_DM */
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#define CONFIG_MAX_RAM_BANK_SIZE (1024 << 20) /* 1GB */
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/* Timer information */
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#define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */
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#define CONFIG_SYS_TIMERBASE 0x48040000 /* Use Timer2 */
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#define CONFIG_POWER_TPS65217
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#include <asm/arch/omap.h>
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/*
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* SPL related defines. The Public RAM memory map the ROM defines the
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* area between 0x402F0400 and 0x4030B800 as a download area and
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* 0x4030B800 to 0x4030CE00 as a public stack area. The ROM also
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* supports X-MODEM loading via UART, and we leverage this and then use
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* Y-MODEM to load u-boot.img, when booted over UART. We must also include
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* the scratch space that U-Boot uses in SRAM.
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*/
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#define CONFIG_SPL_MAX_SIZE (SRAM_SCRATCH_SPACE_ADDR - \
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CONFIG_SPL_TEXT_BASE)
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/*
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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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/*
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* ----------------------------------------------------------------------------
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* DDR information. We say (for simplicity) that we have 1 bank,
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* always, even when we have more. We always start at 0x80000000,
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* and we place the initial stack pointer in our SRAM.
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*/
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#define CONFIG_SYS_SDRAM_BASE 0x80000000
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#define CONFIG_SYS_INIT_SP_ADDR (NON_SECURE_SRAM_END - \
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GENERATED_GBL_DATA_SIZE)
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/*
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* Our platforms make use of SPL to initalize the hardware (primarily
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* memory) enough for full U-Boot to be loaded. We also support Falcon
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* Mode so that the Linux kernel can be booted directly from SPL
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* instead, if desired. We make use of the general SPL framework found
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* under common/spl/. Given our generally common memory map, we set a
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* number of related defaults and sizes here.
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*/
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/*
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* Place the image at the start of the ROM defined image space.
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* We limit our size to the ROM-defined downloaded image area, and use the
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* rest of the space for stack. We load U-Boot itself into memory at
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* 0x80800000 for legacy reasons (to not conflict with older SPLs). We
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* have our BSS be placed 1MiB after this, to allow for the default
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* Linux kernel address of 0x80008000 to work, in the Falcon Mode case.
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* We have the SPL malloc pool at the end of the BSS area.
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*
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* ----------------------------------------------------------------------------
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*/
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#define CONFIG_SPL_BSS_START_ADDR 0x80A00000
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#define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */
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#define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SPL_BSS_START_ADDR + \
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CONFIG_SPL_BSS_MAX_SIZE)
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#define CONFIG_SYS_SPL_MALLOC_SIZE CONFIG_SYS_MALLOC_LEN
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/* General parts of the framework, required. */
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#endif /* ! __BUR_AM335X_COMMON_H__ */
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