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 DEFAULT_FIT_TI_ARGS \ 69 "console=" CONSOLEDEV ",115200n8\0" \ 70 "fdtfile=undefined\0" \ 71 "bootpart=0:2\0" \ 72 "bootdir=/boot\0" \ 73 "bootfile=zImage\0" \ 74 "usbtty=cdc_acm\0" \ 75 "vram=16M\0" \ 76 "partitions=" PARTS_DEFAULT "\0" \ 77 "optargs=\0" \ 78 "dofastboot=0\0" \ 79 "findfdt="\ 80 "if test $board_name = omap5_uevm; then " \ 81 "setenv fdtfile omap5-uevm.dtb; fi; " \ 82 "if test $board_name = dra7xx; then " \ 83 "setenv fdtfile dra7-evm.dtb; fi;" \ 84 "if test $board_name = dra72x-revc; then " \ 85 "setenv fdtfile dra72-evm-revc.dtb; fi;" \ 86 "if test $board_name = dra72x; then " \ 87 "setenv fdtfile dra72-evm.dtb; fi;" \ 88 "if test $board_name = dra71x; then " \ 89 "setenv fdtfile dra71-evm.dtb; fi;" \ 90 "if test $board_name = beagle_x15; then " \ 91 "setenv fdtfile am57xx-beagle-x15.dtb; fi;" \ 92 "if test $board_name = am572x_idk; then " \ 93 "setenv fdtfile am572x-idk.dtb; fi;" \ 94 "if test $board_name = am57xx_evm; then " \ 95 "setenv fdtfile am57xx-beagle-x15.dtb; fi;" \ 96 "if test $fdtfile = undefined; then " \ 97 "echo WARNING: Could not determine device tree to use; fi; \0" \ 98 DFUARGS \ 99 NETARGS \ 100 101 #define CONFIG_BOOTCOMMAND \ 102 "if test ${dofastboot} -eq 1; then " \ 103 "echo Boot fastboot requested, resetting dofastboot ...;" \ 104 "setenv dofastboot 0; saveenv;" \ 105 "echo Booting into fastboot ...; " \ 106 "fastboot " __stringify(CONFIG_FASTBOOT_USB_DEV) "; " \ 107 "fi;" \ 108 "if test ${boot_fit} -eq 1; then " \ 109 "run update_to_fit;" \ 110 "fi;" \ 111 "run findfdt; " \ 112 "run envboot; " \ 113 "run mmcboot;" \ 114 "setenv mmcdev 1; " \ 115 "setenv bootpart 1:2; " \ 116 "setenv mmcroot /dev/mmcblk0p2 rw; " \ 117 "run mmcboot;" \ 118 "" 119 120 /* 121 * SPL related defines. The Public RAM memory map the ROM defines the 122 * area between 0x40300000 and 0x4031E000 as a download area for OMAP5. 123 * On DRA7xx/AM57XX the download area is between 0x40300000 and 0x4037E000. 124 * We set CONFIG_SPL_DISPLAY_PRINT to have omap_rev_string() called and 125 * print some information. 126 */ 127 #ifdef CONFIG_TI_SECURE_DEVICE 128 /* 129 * For memory booting on HS parts, the first 4KB of the internal RAM is 130 * reserved for secure world use and the flash loader image is 131 * preceded by a secure certificate. The SPL will therefore run in internal 132 * RAM from address 0x40301350 (0x40300000+0x1000(reserved)+0x350(cert)). 133 */ 134 #define TI_OMAP5_SECURE_BOOT_RESV_SRAM_SZ 0x1000 135 #define CONFIG_SPL_TEXT_BASE 0x40301350 136 /* If no specific start address is specified then the secure EMIF 137 * region will be placed at the end of the DDR space. In order to prevent 138 * the main u-boot relocation from clobbering that memory and causing a 139 * firewall violation, we tell u-boot that memory is protected RAM (PRAM) 140 */ 141 #if (CONFIG_TI_SECURE_EMIF_REGION_START == 0) 142 #define CONFIG_PRAM (CONFIG_TI_SECURE_EMIF_TOTAL_REGION_SIZE) >> 10 143 #endif 144 #else 145 /* 146 * For all booting on GP parts, the flash loader image is 147 * downloaded into internal RAM at address 0x40300000. 148 */ 149 #define CONFIG_SPL_TEXT_BASE 0x40300000 150 #endif 151 152 #define CONFIG_SPL_LDSCRIPT "arch/arm/mach-omap2/u-boot-spl.lds" 153 #define CONFIG_SYS_SPL_ARGS_ADDR (CONFIG_SYS_SDRAM_BASE + \ 154 (128 << 20)) 155 156 #ifdef CONFIG_NAND 157 #define CONFIG_SPL_NAND_AM33XX_BCH /* ELM support */ 158 #endif 159 160 /* 161 * Disable MMC DM for SPL build and can be re-enabled after adding 162 * DM support in SPL 163 */ 164 #ifdef CONFIG_SPL_BUILD 165 #undef CONFIG_DM_MMC 166 #undef CONFIG_TIMER 167 #undef CONFIG_DM_ETH 168 #endif 169 170 #endif /* __CONFIG_TI_OMAP5_COMMON_H */ 171