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 #define CONFIG_ENV_SIZE 0x2000 /* Total Size Environment */ 29 30 /* 31 * NS16550 Configuration 32 */ 33 #define CONFIG_SYS_NS16550_CLK V_NS16550_CLK 34 35 /* 36 * Common HW configuration. 37 * If this varies between SoCs later, move to tegraNN-common.h 38 * Note: This is number of devices, not max device ID. 39 */ 40 #define CONFIG_SYS_MMC_MAX_DEVICE 4 41 42 /* allow to overwrite serial and ethaddr */ 43 #define CONFIG_ENV_OVERWRITE 44 45 /* 46 * Increasing the size of the IO buffer as default nfsargs size is more 47 * than 256 and so it is not possible to edit it 48 */ 49 #define CONFIG_SYS_CBSIZE (1024 * 2) /* Console I/O Buffer Size */ 50 /* Print Buffer Size */ 51 #define CONFIG_SYS_MAXARGS 64 /* max number of command args */ 52 53 /* Boot Argument Buffer Size */ 54 #define CONFIG_SYS_BARGSIZE (CONFIG_SYS_CBSIZE) 55 56 #define CONFIG_SYS_MEMTEST_START (NV_PA_SDRC_CS0 + 0x600000) 57 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + 0x100000) 58 59 /*----------------------------------------------------------------------- 60 * Physical Memory Map 61 */ 62 #define PHYS_SDRAM_1 NV_PA_SDRC_CS0 63 #define PHYS_SDRAM_1_SIZE 0x20000000 /* 512M */ 64 65 #define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE 66 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 67 68 #define CONFIG_SYS_BOOTMAPSZ (256 << 20) /* 256M */ 69 70 #ifndef CONFIG_ARM64 71 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_STACKBASE 72 #define CONFIG_SYS_INIT_RAM_SIZE CONFIG_SYS_MALLOC_LEN 73 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \ 74 CONFIG_SYS_INIT_RAM_SIZE - \ 75 GENERATED_GBL_DATA_SIZE) 76 #endif 77 78 #ifndef CONFIG_ARM64 79 /* Defines for SPL */ 80 #define CONFIG_SPL_MAX_FOOTPRINT (CONFIG_SYS_TEXT_BASE - \ 81 CONFIG_SPL_TEXT_BASE) 82 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x00010000 83 #endif 84 85 #endif /* _TEGRA_COMMON_H_ */ 86