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_SYS_L2CACHE_OFF /* No L2 cache */ 17 18 #include <asm/arch/tegra.h> /* get chip and board defs */ 19 20 /* Use the Tegra US timer on ARMv7, but the architected timer on ARMv8. */ 21 #ifndef CONFIG_ARM64 22 #define CONFIG_SYS_TIMER_RATE 1000000 23 #define CONFIG_SYS_TIMER_COUNTER NV_PA_TMRUS_BASE 24 #endif 25 26 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 27 28 /* Environment */ 29 #define CONFIG_ENV_SIZE 0x2000 /* Total Size Environment */ 30 31 /* 32 * NS16550 Configuration 33 */ 34 #define CONFIG_SYS_NS16550_CLK V_NS16550_CLK 35 36 /* 37 * Common HW configuration. 38 * If this varies between SoCs later, move to tegraNN-common.h 39 * Note: This is number of devices, not max device ID. 40 */ 41 #define CONFIG_SYS_MMC_MAX_DEVICE 4 42 43 /* 44 * select serial console configuration 45 */ 46 47 /* allow to overwrite serial and ethaddr */ 48 #define CONFIG_ENV_OVERWRITE 49 50 /* turn on command-line edit/hist/auto */ 51 52 /* 53 * Increasing the size of the IO buffer as default nfsargs size is more 54 * than 256 and so it is not possible to edit it 55 */ 56 #define CONFIG_SYS_CBSIZE (1024 * 2) /* Console I/O Buffer Size */ 57 /* Print Buffer Size */ 58 #define CONFIG_SYS_MAXARGS 64 /* max number of command args */ 59 60 /* Boot Argument Buffer Size */ 61 #define CONFIG_SYS_BARGSIZE (CONFIG_SYS_CBSIZE) 62 63 #define CONFIG_SYS_MEMTEST_START (NV_PA_SDRC_CS0 + 0x600000) 64 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + 0x100000) 65 66 /*----------------------------------------------------------------------- 67 * Physical Memory Map 68 */ 69 #define CONFIG_NR_DRAM_BANKS 2 70 #define PHYS_SDRAM_1 NV_PA_SDRC_CS0 71 #define PHYS_SDRAM_1_SIZE 0x20000000 /* 512M */ 72 73 #define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE 74 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 75 76 #define CONFIG_SYS_BOOTMAPSZ (256 << 20) /* 256M */ 77 78 #ifndef CONFIG_ARM64 79 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_STACKBASE 80 #define CONFIG_SYS_INIT_RAM_SIZE CONFIG_SYS_MALLOC_LEN 81 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \ 82 CONFIG_SYS_INIT_RAM_SIZE - \ 83 GENERATED_GBL_DATA_SIZE) 84 #endif 85 86 #ifndef CONFIG_ARM64 87 /* Defines for SPL */ 88 #define CONFIG_SPL_MAX_FOOTPRINT (CONFIG_SYS_TEXT_BASE - \ 89 CONFIG_SPL_TEXT_BASE) 90 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x00010000 91 #endif 92 93 /* Misc utility code */ 94 #define CONFIG_BOUNCE_BUFFER 95 96 #endif /* _TEGRA_COMMON_H_ */ 97