1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * am43xx_evm.h 4 * 5 * Copyright (C) 2013 Texas Instruments Incorporated - https://www.ti.com/ 6 */ 7 8 #ifndef __CONFIG_AM43XX_EVM_H 9 #define __CONFIG_AM43XX_EVM_H 10 11 #define CFG_MAX_RAM_BANK_SIZE (1024 << 21) /* 2GB */ 12 #define CFG_SYS_TIMERBASE 0x48040000 /* Use Timer2 */ 13 14 #include <asm/arch/omap.h> 15 16 /* NS16550 Configuration */ 17 #define CFG_SYS_NS16550_CLK 48000000 18 19 /* Enabling L2 Cache */ 20 #define CFG_SYS_PL310_BASE 0x48242000 21 22 /* 23 * When building U-Boot such that there is no previous loader 24 * we need to call board_early_init_f. This is taken care of in 25 * s_init when we have SPL used. 26 */ 27 28 /* Now bring in the rest of the common code. */ 29 #include <configs/ti_armv7_omap.h> 30 31 /* Clock Defines */ 32 #define V_OSCK 24000000 /* Clock output from T2 */ 33 #define V_SCLK (V_OSCK) 34 35 /* NS16550 Configuration */ 36 #define CFG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */ 37 38 #ifndef CONFIG_XPL_BUILD 39 /* USB Device Firmware Update support */ 40 #define DFUARGS \ 41 "dfu_bufsiz=0x10000\0" \ 42 DFU_ALT_INFO_MMC \ 43 DFU_ALT_INFO_EMMC \ 44 DFU_ALT_INFO_RAM \ 45 DFU_ALT_INFO_QSPI_XIP 46 #else 47 #define DFUARGS 48 #endif 49 50 #define BOOTENV_DEV_NAND(devtypeu, devtypel, instance) \ 51 "bootcmd_" #devtypel "=" \ 52 "run nandboot\0" 53 54 #define BOOTENV_DEV_NAME_NAND(devtypeu, devtypel, instance) \ 55 #devtypel #instance " " 56 57 #define BOOT_TARGET_DEVICES(func) \ 58 func(MMC, mmc, 0) \ 59 func(USB, usb, 0) \ 60 func(NAND, nand, 0) \ 61 func(PXE, pxe, na) \ 62 func(DHCP, dhcp, na) 63 64 #include <config_distro_bootcmd.h> 65 66 #ifndef CONFIG_XPL_BUILD 67 #include <env/ti/dfu.h> 68 69 #define CFG_EXTRA_ENV_SETTINGS \ 70 DEFAULT_LINUX_BOOT_ENV \ 71 "fdtfile=undefined\0" \ 72 "finduuid=part uuid mmc 0:2 uuid\0" \ 73 "console=ttyO0,115200n8\0" \ 74 "partitions=" \ 75 "uuid_disk=${uuid_gpt_disk};" \ 76 "name=rootfs,start=2MiB,size=-,uuid=${uuid_gpt_rootfs}\0" \ 77 "optargs=\0" \ 78 "ramroot=/dev/ram0 rw\0" \ 79 "ramrootfstype=ext2\0" \ 80 "ramargs=setenv bootargs console=${console} " \ 81 "${optargs} " \ 82 "root=${ramroot} " \ 83 "rootfstype=${ramrootfstype}\0" \ 84 "loadramdisk=load ${devtype} ${devnum} ${rdaddr} ramdisk.gz\0" \ 85 "findfdt="\ 86 "if test $board_name = AM43EPOS; then " \ 87 "setenv fdtfile am43x-epos-evm.dtb; fi; " \ 88 "if test $board_name = AM43__GP; then " \ 89 "setenv fdtfile am437x-gp-evm.dtb; fi; " \ 90 "if test $board_name = AM43XXHS; then " \ 91 "setenv fdtfile am437x-gp-evm.dtb; fi; " \ 92 "if test $board_name = AM43__SK; then " \ 93 "setenv fdtfile am437x-sk-evm.dtb; fi; " \ 94 "if test $board_name = AM43_IDK; then " \ 95 "setenv fdtfile am437x-idk-evm.dtb; fi; " \ 96 "if test $fdtfile = undefined; then " \ 97 "echo WARNING: Could not determine device tree; fi; \0" \ 98 NANDARGS \ 99 NETARGS \ 100 DFUARGS \ 101 BOOTENV 102 103 #endif 104 105 /* NAND support */ 106 #ifdef CONFIG_MTD_RAW_NAND 107 /* NAND: device related configs */ 108 /* NAND: driver related configs */ 109 #define CFG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, \ 110 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, \ 111 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, \ 112 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, \ 113 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, \ 114 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, \ 115 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, \ 116 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, \ 117 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, \ 118 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, \ 119 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, \ 120 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, \ 121 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, \ 122 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, \ 123 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, \ 124 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, \ 125 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, \ 126 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, \ 127 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, \ 128 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, \ 129 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, \ 130 } 131 #define CFG_SYS_NAND_ECCSIZE 512 132 #define CFG_SYS_NAND_ECCBYTES 26 133 #define NANDARGS \ 134 "nandargs=setenv bootargs console=${console} " \ 135 "${optargs} " \ 136 "root=${nandroot} " \ 137 "rootfstype=${nandrootfstype}\0" \ 138 "nandroot=ubi0:rootfs rw ubi.mtd=NAND.file-system,4096\0" \ 139 "nandrootfstype=ubifs rootwait\0" \ 140 "nandboot=echo Booting from nand ...; " \ 141 "run nandargs; " \ 142 "nand read ${fdtaddr} NAND.u-boot-spl-os; " \ 143 "nand read ${loadaddr} NAND.kernel; " \ 144 "bootz ${loadaddr} - ${fdtaddr}\0" 145 #define NANDBOOT "run nandboot; " 146 #else /* !CONFIG_MTD_RAW_NAND */ 147 #define NANDARGS 148 #define NANDBOOT 149 #endif /* CONFIG_MTD_RAW_NAND */ 150 151 #if defined(CONFIG_TI_SECURE_DEVICE) 152 /* Avoid relocating onto firewalled area at end of DRAM */ 153 #define CFG_PRAM (64 * 1024) 154 #endif /* CONFIG_TI_SECURE_DEVICE */ 155 156 #endif /* __CONFIG_AM43XX_EVM_H */ 157