1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2010-2012 4 * NVIDIA Corporation <www.nvidia.com> 5 */ 6 7 #ifndef _TEGRA20_COMMON_H_ 8 #define _TEGRA20_COMMON_H_ 9 #include "tegra-common.h" 10 11 /* 12 * NS16550 Configuration 13 */ 14 #define V_NS16550_CLK 216000000 /* 216MHz (pllp_out0) */ 15 16 /* 17 * Miscellaneous configurable options 18 */ 19 #define CONFIG_STACKBASE 0x02800000 /* 40MB */ 20 21 /*----------------------------------------------------------------------- 22 * Physical Memory Map 23 */ 24 25 /* 26 * Memory layout for where various images get loaded by boot scripts: 27 * 28 * scriptaddr can be pretty much anywhere that doesn't conflict with something 29 * else. Put it above BOOTMAPSZ to eliminate conflicts. 30 * 31 * pxefile_addr_r can be pretty much anywhere that doesn't conflict with 32 * something else. Put it above BOOTMAPSZ to eliminate conflicts. 33 * 34 * kernel_addr_r must be within the first 128M of RAM in order for the 35 * kernel's CONFIG_AUTO_ZRELADDR option to work. Since the kernel will 36 * decompress itself to 0x8000 after the start of RAM, kernel_addr_r 37 * should not overlap that area, or the kernel will have to copy itself 38 * somewhere else before decompression. Similarly, the address of any other 39 * data passed to the kernel shouldn't overlap the start of RAM. Pushing 40 * this up to 16M allows for a sizable kernel to be decompressed below the 41 * compressed load address. 42 * 43 * fdt_addr_r simply shouldn't overlap anything else. Choosing 32M allows for 44 * the compressed kernel to be up to 16M too. 45 * 46 * ramdisk_addr_r simply shouldn't overlap anything else. Choosing 33M allows 47 * for the FDT/DTB to be up to 1M, which is hopefully plenty. 48 */ 49 #define CONFIG_LOADADDR 0x01000000 50 #define MEM_LAYOUT_ENV_SETTINGS \ 51 "scriptaddr=0x10000000\0" \ 52 "pxefile_addr_r=0x10100000\0" \ 53 "kernel_addr_r=" __stringify(CONFIG_LOADADDR) "\0" \ 54 "fdt_addr_r=0x02000000\0" \ 55 "ramdisk_addr_r=0x02100000\0" 56 57 /* Defines for SPL */ 58 #define CONFIG_SPL_TEXT_BASE 0x00108000 59 #define CONFIG_SYS_SPL_MALLOC_START 0x00090000 60 #define CONFIG_SPL_STACK 0x000ffffc 61 62 /* Align LCD to 1MB boundary */ 63 #define CONFIG_LCD_ALIGNMENT MMU_SECTION_SIZE 64 65 #ifdef CONFIG_TEGRA_LP0 66 #define TEGRA_LP0_ADDR 0x1C406000 67 #define TEGRA_LP0_SIZE 0x2000 68 #define TEGRA_LP0_VEC \ 69 "lp0_vec=" __stringify(TEGRA_LP0_SIZE) \ 70 "@" __stringify(TEGRA_LP0_ADDR) " " 71 #else 72 #define TEGRA_LP0_VEC 73 #endif 74 75 /* 76 * This parameter affects a TXFILLTUNING field that controls how much data is 77 * sent to the latency fifo before it is sent to the wire. Without this 78 * parameter, the default (2) causes occasional Data Buffer Errors in OUT 79 * packets depending on the buffer address and size. 80 */ 81 #define CONFIG_USB_EHCI_TXFIFO_THRESH 10 82 #define CONFIG_EHCI_IS_TDI 83 84 #define CONFIG_SYS_NAND_SELF_INIT 85 #define CONFIG_SYS_NAND_ONFI_DETECTION 86 87 #endif /* _TEGRA20_COMMON_H_ */ 88