1 /* 2 * (C) Copyright 2010-2012 3 * NVIDIA Corporation <www.nvidia.com> 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #ifndef _TEGRA_COMMON_H_ 9 #define _TEGRA_COMMON_H_ 10 #include <linux/sizes.h> 11 #include <linux/stringify.h> 12 13 /* 14 * High Level Configuration Options 15 */ 16 #define CONFIG_ARMCORTEXA9 /* This is an ARM V7 CPU core */ 17 #define CONFIG_SYS_L2CACHE_OFF /* No L2 cache */ 18 19 #include <asm/arch/tegra.h> /* get chip and board defs */ 20 21 /* Use the Tegra US timer on ARMv7, but the architected timer on ARMv8. */ 22 #ifndef CONFIG_ARM64 23 #define CONFIG_SYS_TIMER_RATE 1000000 24 #define CONFIG_SYS_TIMER_COUNTER NV_PA_TMRUS_BASE 25 #endif 26 27 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 28 29 /* Environment */ 30 #define CONFIG_ENV_VARS_UBOOT_CONFIG 31 #define CONFIG_ENV_SIZE 0x2000 /* Total Size Environment */ 32 33 /* 34 * NS16550 Configuration 35 */ 36 #define CONFIG_SYS_NS16550_CLK V_NS16550_CLK 37 38 /* 39 * Common HW configuration. 40 * If this varies between SoCs later, move to tegraNN-common.h 41 * Note: This is number of devices, not max device ID. 42 */ 43 #define CONFIG_SYS_MMC_MAX_DEVICE 4 44 45 /* 46 * select serial console configuration 47 */ 48 #define CONFIG_CONS_INDEX 1 49 50 /* allow to overwrite serial and ethaddr */ 51 #define CONFIG_ENV_OVERWRITE 52 53 /* turn on command-line edit/hist/auto */ 54 #define CONFIG_CMDLINE_EDITING 55 56 /* 57 * Increasing the size of the IO buffer as default nfsargs size is more 58 * than 256 and so it is not possible to edit it 59 */ 60 #define CONFIG_SYS_CBSIZE (1024 * 2) /* Console I/O Buffer Size */ 61 /* Print Buffer Size */ 62 #define CONFIG_SYS_MAXARGS 64 /* max number of command args */ 63 64 /* Boot Argument Buffer Size */ 65 #define CONFIG_SYS_BARGSIZE (CONFIG_SYS_CBSIZE) 66 67 #define CONFIG_SYS_MEMTEST_START (NV_PA_SDRC_CS0 + 0x600000) 68 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + 0x100000) 69 70 /*----------------------------------------------------------------------- 71 * Physical Memory Map 72 */ 73 #define CONFIG_NR_DRAM_BANKS 2 74 #define PHYS_SDRAM_1 NV_PA_SDRC_CS0 75 #define PHYS_SDRAM_1_SIZE 0x20000000 /* 512M */ 76 77 #define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE 78 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 79 80 #define CONFIG_SYS_BOOTMAPSZ (256 << 20) /* 256M */ 81 82 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_STACKBASE 83 #define CONFIG_SYS_INIT_RAM_SIZE CONFIG_SYS_MALLOC_LEN 84 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \ 85 CONFIG_SYS_INIT_RAM_SIZE - \ 86 GENERATED_GBL_DATA_SIZE) 87 88 /* Defines for SPL */ 89 #define CONFIG_SPL_FRAMEWORK 90 #define CONFIG_SPL_NAND_SIMPLE 91 #define CONFIG_SPL_MAX_FOOTPRINT (CONFIG_SYS_TEXT_BASE - \ 92 CONFIG_SPL_TEXT_BASE) 93 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x00010000 94 95 /* Misc utility code */ 96 #define CONFIG_BOUNCE_BUFFER 97 98 #ifndef CONFIG_SPL_BUILD 99 #include <config_distro_defaults.h> 100 #endif 101 102 #endif /* _TEGRA_COMMON_H_ */ 103