1 /* 2 * (C) Copyright 2013 3 * Texas Instruments Incorporated. 4 * Sricharan R <r.sricharan@ti.com> 5 * 6 * Derived from OMAP4 done by: 7 * Aneesh V <aneesh@ti.com> 8 * 9 * TI OMAP5 AND DRA7XX common configuration settings 10 * 11 * SPDX-License-Identifier: GPL-2.0+ 12 * 13 * For more details, please see the technical documents listed at 14 * http://www.ti.com/product/omap5432 15 */ 16 17 #ifndef __CONFIG_TI_OMAP5_COMMON_H 18 #define __CONFIG_TI_OMAP5_COMMON_H 19 20 /* Common ARM Erratas */ 21 #define CONFIG_ARM_ERRATA_798870 22 23 /* Use General purpose timer 1 */ 24 #define CONFIG_SYS_TIMERBASE GPT2_BASE 25 26 /* 27 * For the DDR timing information we can either dynamically determine 28 * the timings to use or use pre-determined timings (based on using the 29 * dynamic method. Default to the static timing infomation. 30 */ 31 #define CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS 32 #ifndef CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS 33 #define CONFIG_SYS_AUTOMATIC_SDRAM_DETECTION 34 #define CONFIG_SYS_DEFAULT_LPDDR2_TIMINGS 35 #endif 36 37 #define CONFIG_PALMAS_POWER 38 39 #include <asm/arch/cpu.h> 40 #include <asm/arch/omap.h> 41 42 #include <configs/ti_armv7_omap.h> 43 44 /* 45 * Hardware drivers 46 */ 47 #define CONFIG_SYS_NS16550_CLK 48000000 48 #if defined(CONFIG_SPL_BUILD) || !defined(CONFIG_DM_SERIAL) 49 #define CONFIG_SYS_NS16550_SERIAL 50 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 51 #endif 52 53 /* 54 * Environment setup 55 */ 56 #ifndef PARTS_DEFAULT 57 #define PARTS_DEFAULT 58 #endif 59 60 #ifndef DFUARGS 61 #define DFUARGS 62 #endif 63 64 #define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG 65 #define CONFIG_EXTRA_ENV_SETTINGS \ 66 DEFAULT_LINUX_BOOT_ENV \ 67 DEFAULT_MMC_TI_ARGS \ 68 "console=" CONSOLEDEV ",115200n8\0" \ 69 "fdtfile=undefined\0" \ 70 "bootpart=0:2\0" \ 71 "bootdir=/boot\0" \ 72 "bootfile=zImage\0" \ 73 "usbtty=cdc_acm\0" \ 74 "vram=16M\0" \ 75 "partitions=" PARTS_DEFAULT "\0" \ 76 "optargs=\0" \ 77 "dofastboot=0\0" \ 78 "findfdt="\ 79 "if test $board_name = omap5_uevm; then " \ 80 "setenv fdtfile omap5-uevm.dtb; fi; " \ 81 "if test $board_name = dra7xx; then " \ 82 "setenv fdtfile dra7-evm.dtb; fi;" \ 83 "if test $board_name = dra72x-revc; then " \ 84 "setenv fdtfile dra72-evm-revc.dtb; fi;" \ 85 "if test $board_name = dra72x; then " \ 86 "setenv fdtfile dra72-evm.dtb; fi;" \ 87 "if test $board_name = beagle_x15; then " \ 88 "setenv fdtfile am57xx-beagle-x15.dtb; fi;" \ 89 "if test $board_name = am572x_idk; then " \ 90 "setenv fdtfile am572x-idk.dtb; fi;" \ 91 "if test $board_name = am57xx_evm; then " \ 92 "setenv fdtfile am57xx-beagle-x15.dtb; fi;" \ 93 "if test $fdtfile = undefined; then " \ 94 "echo WARNING: Could not determine device tree to use; fi; \0" \ 95 DFUARGS \ 96 NETARGS \ 97 98 #define CONFIG_BOOTCOMMAND \ 99 "if test ${dofastboot} -eq 1; then " \ 100 "echo Boot fastboot requested, resetting dofastboot ...;" \ 101 "setenv dofastboot 0; saveenv;" \ 102 "echo Booting into fastboot ...; " \ 103 "fastboot " __stringify(CONFIG_FASTBOOT_USB_DEV) "; " \ 104 "fi;" \ 105 "run findfdt; " \ 106 "run envboot; " \ 107 "run mmcboot;" \ 108 "setenv mmcdev 1; " \ 109 "setenv bootpart 1:2; " \ 110 "setenv mmcroot /dev/mmcblk0p2 rw; " \ 111 "run mmcboot;" \ 112 "" 113 114 /* 115 * SPL related defines. The Public RAM memory map the ROM defines the 116 * area between 0x40300000 and 0x4031E000 as a download area for OMAP5. 117 * On DRA7xx/AM57XX the download area is between 0x40300000 and 0x4037E000. 118 * We set CONFIG_SPL_DISPLAY_PRINT to have omap_rev_string() called and 119 * print some information. 120 */ 121 #ifdef CONFIG_TI_SECURE_DEVICE 122 /* 123 * For memory booting on HS parts, the first 4KB of the internal RAM is 124 * reserved for secure world use and the flash loader image is 125 * preceded by a secure certificate. The SPL will therefore run in internal 126 * RAM from address 0x40301350 (0x40300000+0x1000(reserved)+0x350(cert)). 127 */ 128 #define TI_OMAP5_SECURE_BOOT_RESV_SRAM_SZ 0x1000 129 #define CONFIG_SPL_TEXT_BASE 0x40301350 130 /* If no specific start address is specified then the secure EMIF 131 * region will be placed at the end of the DDR space. In order to prevent 132 * the main u-boot relocation from clobbering that memory and causing a 133 * firewall violation, we tell u-boot that memory is protected RAM (PRAM) 134 */ 135 #if (CONFIG_TI_SECURE_EMIF_REGION_START == 0) 136 #define CONFIG_PRAM (CONFIG_TI_SECURE_EMIF_TOTAL_REGION_SIZE) >> 10 137 #endif 138 #else 139 /* 140 * For all booting on GP parts, the flash loader image is 141 * downloaded into internal RAM at address 0x40300000. 142 */ 143 #define CONFIG_SPL_TEXT_BASE 0x40300000 144 #endif 145 146 #define CONFIG_SPL_LDSCRIPT "arch/arm/mach-omap2/u-boot-spl.lds" 147 #define CONFIG_SYS_SPL_ARGS_ADDR (CONFIG_SYS_SDRAM_BASE + \ 148 (128 << 20)) 149 150 #ifdef CONFIG_NAND 151 #define CONFIG_SPL_NAND_AM33XX_BCH /* ELM support */ 152 #endif 153 154 /* 155 * Disable MMC DM for SPL build and can be re-enabled after adding 156 * DM support in SPL 157 */ 158 #ifdef CONFIG_SPL_BUILD 159 #undef CONFIG_DM_MMC 160 #undef CONFIG_TIMER 161 #undef CONFIG_DM_ETH 162 #endif 163 164 #endif /* __CONFIG_TI_OMAP5_COMMON_H */ 165