1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2010-2012 4 * NVIDIA Corporation <www.nvidia.com> 5 */ 6 7 #ifndef _TEGRA_COMMON_H_ 8 #define _TEGRA_COMMON_H_ 9 #include <linux/sizes.h> 10 #include <linux/stringify.h> 11 12 /* 13 * High Level Configuration Options 14 */ 15 #define CONFIG_SYS_L2CACHE_OFF /* No L2 cache */ 16 17 #include <asm/arch/tegra.h> /* get chip and board defs */ 18 19 /* Use the Tegra US timer on ARMv7, but the architected timer on ARMv8. */ 20 #ifndef CONFIG_ARM64 21 #define CONFIG_SYS_TIMER_RATE 1000000 22 #define CONFIG_SYS_TIMER_COUNTER NV_PA_TMRUS_BASE 23 #endif 24 25 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 26 27 /* Environment */ 28 29 /* 30 * NS16550 Configuration 31 */ 32 #define CONFIG_SYS_NS16550_CLK V_NS16550_CLK 33 34 /* 35 * Common HW configuration. 36 * If this varies between SoCs later, move to tegraNN-common.h 37 * Note: This is number of devices, not max device ID. 38 */ 39 #define CONFIG_SYS_MMC_MAX_DEVICE 4 40 41 /* 42 * Increasing the size of the IO buffer as default nfsargs size is more 43 * than 256 and so it is not possible to edit it 44 */ 45 #define CONFIG_SYS_CBSIZE (1024 * 2) /* Console I/O Buffer Size */ 46 /* Print Buffer Size */ 47 #define CONFIG_SYS_MAXARGS 64 /* max number of command args */ 48 49 /* Boot Argument Buffer Size */ 50 #define CONFIG_SYS_BARGSIZE (CONFIG_SYS_CBSIZE) 51 52 #ifdef CONFIG_ARM64 53 #define FDTFILE "nvidia/" CONFIG_DEFAULT_DEVICE_TREE ".dtb" 54 #else 55 #define FDTFILE CONFIG_DEFAULT_DEVICE_TREE ".dtb" 56 #endif 57 58 /*----------------------------------------------------------------------- 59 * Physical Memory Map 60 */ 61 #define PHYS_SDRAM_1 NV_PA_SDRC_CS0 62 #define PHYS_SDRAM_1_SIZE 0x20000000 /* 512M */ 63 64 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 65 66 #define CONFIG_SYS_BOOTMAPSZ (256 << 20) /* 256M */ 67 68 #ifndef CONFIG_ARM64 69 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_STACKBASE 70 #define CONFIG_SYS_INIT_RAM_SIZE CONFIG_SYS_MALLOC_LEN 71 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \ 72 CONFIG_SYS_INIT_RAM_SIZE - \ 73 GENERATED_GBL_DATA_SIZE) 74 #endif 75 76 #ifndef CONFIG_ARM64 77 /* Defines for SPL */ 78 #define CONFIG_SPL_MAX_FOOTPRINT (CONFIG_SYS_TEXT_BASE - \ 79 CONFIG_SPL_TEXT_BASE) 80 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x00010000 81 #endif 82 83 #endif /* _TEGRA_COMMON_H_ */ 84