mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-04 18:41:03 +00:00
86cf1c8285
We have the following cases: - CONFIG_NR_DRAM_BANKS was defined, migrate normally - CONFIG_NR_DRAM_BANKS_MAX was defined and then used for CONFIG_NR_DRAM_BANKS after a check, just migrate it over now. - CONFIG_NR_DRAM_BANKS was very oddly defined on p2771-0000-* (to 1024 + 2), set this to 8. Signed-off-by: Tom Rini <trini@konsulko.com>
97 lines
3.5 KiB
C
97 lines
3.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
|
|
/*
|
|
* bur_am335x_common.h
|
|
*
|
|
* common parts used by B&R AM335x based boards
|
|
*
|
|
* Copyright (C) 2016 Hannes Schmelzer <oe5hpm@oevsv.at> -
|
|
* Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
|
|
*/
|
|
|
|
#ifndef __BUR_AM335X_COMMON_H__
|
|
#define __BUR_AM335X_COMMON_H__
|
|
/* ------------------------------------------------------------------------- */
|
|
|
|
/* legacy #defines for non DM bur-board */
|
|
#ifndef CONFIG_DM
|
|
#define CONFIG_SYS_NS16550_SERIAL
|
|
#define CONFIG_SYS_NS16550_REG_SIZE (-4)
|
|
#define CONFIG_SYS_NS16550_CLK (48000000)
|
|
#define CONFIG_SYS_NS16550_COM1 0x44e09000
|
|
|
|
#define CONFIG_I2C
|
|
#define CONFIG_SYS_I2C
|
|
|
|
#endif /* CONFIG_DM */
|
|
|
|
#define CONFIG_MAX_RAM_BANK_SIZE (1024 << 20) /* 1GB */
|
|
|
|
/* Timer information */
|
|
#define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */
|
|
#define CONFIG_SYS_TIMERBASE 0x48040000 /* Use Timer2 */
|
|
#define CONFIG_POWER_TPS65217
|
|
|
|
#include <asm/arch/omap.h>
|
|
|
|
/*
|
|
* SPL related defines. The Public RAM memory map the ROM defines the
|
|
* area between 0x402F0400 and 0x4030B800 as a download area and
|
|
* 0x4030B800 to 0x4030CE00 as a public stack area. The ROM also
|
|
* supports X-MODEM loading via UART, and we leverage this and then use
|
|
* Y-MODEM to load u-boot.img, when booted over UART. We must also include
|
|
* the scratch space that U-Boot uses in SRAM.
|
|
*/
|
|
#define CONFIG_SPL_TEXT_BASE 0x402F0400
|
|
#define CONFIG_SPL_MAX_SIZE (SRAM_SCRATCH_SPACE_ADDR - \
|
|
CONFIG_SPL_TEXT_BASE)
|
|
|
|
/*
|
|
* Since SPL did pll and ddr initialization for us,
|
|
* we don't need to do it twice.
|
|
*/
|
|
#if !defined(CONFIG_SPL_BUILD) && !defined(CONFIG_NOR_BOOT)
|
|
#define CONFIG_SKIP_LOWLEVEL_INIT
|
|
#endif /* !CONFIG_SPL_BUILD, ... */
|
|
/*
|
|
* Our DDR memory always starts at 0x80000000 and U-Boot shall have
|
|
* relocated itself to higher in memory by the time this value is used.
|
|
*/
|
|
#define CONFIG_SYS_LOAD_ADDR 0x80000000
|
|
/*
|
|
* ----------------------------------------------------------------------------
|
|
* DDR information. We say (for simplicity) that we have 1 bank,
|
|
* always, even when we have more. We always start at 0x80000000,
|
|
* and we place the initial stack pointer in our SRAM.
|
|
*/
|
|
#define CONFIG_SYS_SDRAM_BASE 0x80000000
|
|
#define CONFIG_SYS_INIT_SP_ADDR (NON_SECURE_SRAM_END - \
|
|
GENERATED_GBL_DATA_SIZE)
|
|
|
|
/*
|
|
* Our platforms make use of SPL to initalize the hardware (primarily
|
|
* memory) enough for full U-Boot to be loaded. We also support Falcon
|
|
* Mode so that the Linux kernel can be booted directly from SPL
|
|
* instead, if desired. We make use of the general SPL framework found
|
|
* under common/spl/. Given our generally common memory map, we set a
|
|
* number of related defaults and sizes here.
|
|
*/
|
|
/*
|
|
* Place the image at the start of the ROM defined image space.
|
|
* We limit our size to the ROM-defined downloaded image area, and use the
|
|
* rest of the space for stack. We load U-Boot itself into memory at
|
|
* 0x80800000 for legacy reasons (to not conflict with older SPLs). We
|
|
* have our BSS be placed 1MiB after this, to allow for the default
|
|
* Linux kernel address of 0x80008000 to work, in the Falcon Mode case.
|
|
* We have the SPL malloc pool at the end of the BSS area.
|
|
*
|
|
* ----------------------------------------------------------------------------
|
|
*/
|
|
#define CONFIG_SPL_BSS_START_ADDR 0x80A00000
|
|
#define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */
|
|
#define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SPL_BSS_START_ADDR + \
|
|
CONFIG_SPL_BSS_MAX_SIZE)
|
|
#define CONFIG_SYS_SPL_MALLOC_SIZE CONFIG_SYS_MALLOC_LEN
|
|
|
|
/* General parts of the framework, required. */
|
|
|
|
#endif /* ! __BUR_AM335X_COMMON_H__ */
|