u-boot/include/configs/tegra-common.h
Peter Robinson 632fb978a5 arm: tegra: define fdtfile option for distro boot
For booting via UEFI we need to define the fdtfile option so
bootefi has the option to load a fdtfile from disk. For arm64
the kernel dtb is located in a vendor directory so we define
that as nvidia for that architecture.

Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
2020-12-04 13:30:16 -07:00

84 lines
2.1 KiB
C

/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2010-2012
* NVIDIA Corporation <www.nvidia.com>
*/
#ifndef _TEGRA_COMMON_H_
#define _TEGRA_COMMON_H_
#include <linux/sizes.h>
#include <linux/stringify.h>
/*
* High Level Configuration Options
*/
#define CONFIG_SYS_L2CACHE_OFF /* No L2 cache */
#include <asm/arch/tegra.h> /* get chip and board defs */
/* Use the Tegra US timer on ARMv7, but the architected timer on ARMv8. */
#ifndef CONFIG_ARM64
#define CONFIG_SYS_TIMER_RATE 1000000
#define CONFIG_SYS_TIMER_COUNTER NV_PA_TMRUS_BASE
#endif
#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
/* Environment */
/*
* NS16550 Configuration
*/
#define CONFIG_SYS_NS16550_CLK V_NS16550_CLK
/*
* Common HW configuration.
* If this varies between SoCs later, move to tegraNN-common.h
* Note: This is number of devices, not max device ID.
*/
#define CONFIG_SYS_MMC_MAX_DEVICE 4
/*
* Increasing the size of the IO buffer as default nfsargs size is more
* than 256 and so it is not possible to edit it
*/
#define CONFIG_SYS_CBSIZE (1024 * 2) /* Console I/O Buffer Size */
/* Print Buffer Size */
#define CONFIG_SYS_MAXARGS 64 /* max number of command args */
/* Boot Argument Buffer Size */
#define CONFIG_SYS_BARGSIZE (CONFIG_SYS_CBSIZE)
#ifdef CONFIG_ARM64
#define FDTFILE "nvidia/" CONFIG_DEFAULT_DEVICE_TREE ".dtb"
#else
#define FDTFILE CONFIG_DEFAULT_DEVICE_TREE ".dtb"
#endif
/*-----------------------------------------------------------------------
* Physical Memory Map
*/
#define PHYS_SDRAM_1 NV_PA_SDRC_CS0
#define PHYS_SDRAM_1_SIZE 0x20000000 /* 512M */
#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
#define CONFIG_SYS_BOOTMAPSZ (256 << 20) /* 256M */
#ifndef CONFIG_ARM64
#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_STACKBASE
#define CONFIG_SYS_INIT_RAM_SIZE CONFIG_SYS_MALLOC_LEN
#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \
CONFIG_SYS_INIT_RAM_SIZE - \
GENERATED_GBL_DATA_SIZE)
#endif
#ifndef CONFIG_ARM64
/* Defines for SPL */
#define CONFIG_SPL_MAX_FOOTPRINT (CONFIG_SYS_TEXT_BASE - \
CONFIG_SPL_TEXT_BASE)
#define CONFIG_SYS_SPL_MALLOC_SIZE 0x00010000
#endif
#endif /* _TEGRA_COMMON_H_ */