1 /* 2 * am43xx_evm.h 3 * 4 * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/ 5 * 6 * SPDX-License-Identifier: GPL-2.0+ 7 */ 8 9 #ifndef __CONFIG_AM43XX_EVM_H 10 #define __CONFIG_AM43XX_EVM_H 11 12 #define CONFIG_AM43XX 13 14 #define CONFIG_BOARD_LATE_INIT 15 #define CONFIG_ARCH_CPU_INIT 16 #define CONFIG_SYS_CACHELINE_SIZE 32 17 #define CONFIG_MAX_RAM_BANK_SIZE (1024 << 20) /* 1GB */ 18 #define CONFIG_SYS_TIMERBASE 0x48040000 /* Use Timer2 */ 19 20 #include <asm/arch/omap.h> 21 22 /* NS16550 Configuration */ 23 #define CONFIG_SYS_NS16550 24 #define CONFIG_SYS_NS16550_SERIAL 25 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 26 #define CONFIG_SYS_NS16550_CLK 48000000 27 28 /* SPL defines. */ 29 #define CONFIG_SPL_TEXT_BASE 0x40300350 30 #define CONFIG_SPL_MAX_SIZE (0x40337C00 - CONFIG_SPL_TEXT_BASE) 31 #define CONFIG_SPL_YMODEM_SUPPORT 32 33 /* Enabling L2 Cache */ 34 #define CONFIG_SYS_L2_PL310 35 #define CONFIG_SYS_PL310_BASE 0x48242000 36 #define CONFIG_SYS_CACHELINE_SIZE 32 37 38 /* 39 * Since SPL did pll and ddr initialization for us, 40 * we don't need to do it twice. 41 */ 42 #if !defined(CONFIG_SPL_BUILD) && !defined(CONFIG_NOR_BOOT) 43 #define CONFIG_SKIP_LOWLEVEL_INIT 44 #endif 45 46 /* Now bring in the rest of the common code. */ 47 #include <configs/ti_armv7_common.h> 48 49 /* Always 128 KiB env size */ 50 #define CONFIG_ENV_SIZE (128 << 10) 51 52 #define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG 53 54 /* Clock Defines */ 55 #define V_OSCK 24000000 /* Clock output from T2 */ 56 #define V_SCLK (V_OSCK) 57 58 /* NS16550 Configuration */ 59 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */ 60 61 #define CONFIG_ENV_IS_NOWHERE 62 63 #define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/omap-common/u-boot-spl.lds" 64 65 #define CONFIG_CMD_USB 66 #define CONFIG_USB_HOST 67 #define CONFIG_USB_XHCI 68 #define CONFIG_USB_XHCI_OMAP 69 #define CONFIG_USB_STORAGE 70 #define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS 2 71 72 #define CONFIG_OMAP_USB_PHY 73 #define CONFIG_AM437X_USB2PHY2_HOST 74 75 #ifndef CONFIG_SPL_BUILD 76 #define CONFIG_EXTRA_ENV_SETTINGS \ 77 "loadaddr=0x80200000\0" \ 78 "fdtaddr=0x80F80000\0" \ 79 "fdt_high=0xffffffff\0" \ 80 "rdaddr=0x81000000\0" \ 81 "fdtfile=undefined\0" \ 82 "bootpart=0:2\0" \ 83 "bootdir=/boot\0" \ 84 "bootfile=zImage\0" \ 85 "console=ttyO0,115200n8\0" \ 86 "optargs=\0" \ 87 "mmcdev=0\0" \ 88 "mmcroot=/dev/mmcblk0p2 rw\0" \ 89 "mmcrootfstype=ext4 rootwait\0" \ 90 "ramroot=/dev/ram0 rw ramdisk_size=65536 initrd=${rdaddr},64M\0" \ 91 "ramrootfstype=ext2\0" \ 92 "mmcargs=setenv bootargs console=${console} " \ 93 "${optargs} " \ 94 "root=${mmcroot} " \ 95 "rootfstype=${mmcrootfstype}\0" \ 96 "bootenv=uEnv.txt\0" \ 97 "loadbootenv=load mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \ 98 "importbootenv=echo Importing environment from mmc ...; " \ 99 "env import -t $loadaddr $filesize\0" \ 100 "ramargs=setenv bootargs console=${console} " \ 101 "${optargs} " \ 102 "root=${ramroot} " \ 103 "rootfstype=${ramrootfstype}\0" \ 104 "loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \ 105 "loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \ 106 "loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \ 107 "mmcboot=mmc dev ${mmcdev}; " \ 108 "if mmc rescan; then " \ 109 "echo SD/MMC found on device ${mmcdev};" \ 110 "if run loadbootenv; then " \ 111 "echo Loaded environment from ${bootenv};" \ 112 "run importbootenv;" \ 113 "fi;" \ 114 "if test -n $uenvcmd; then " \ 115 "echo Running uenvcmd ...;" \ 116 "run uenvcmd;" \ 117 "fi;" \ 118 "if run loadimage; then " \ 119 "run loadfdt; " \ 120 "echo Booting from mmc${mmcdev} ...; " \ 121 "run mmcargs; " \ 122 "bootz ${loadaddr} - ${fdtaddr}; " \ 123 "fi;" \ 124 "fi;\0" \ 125 "findfdt="\ 126 "if test $board_name = AM43EPOS; then " \ 127 "setenv fdtfile am43x-epos-evm.dtb; fi; " \ 128 "if test $board_name = AM43__GP; then " \ 129 "setenv fdtfile am437x-gp-evm.dtb; fi; " \ 130 "if test $fdtfile = undefined; then " \ 131 "echo WARNING: Could not determine device tree; fi; \0" 132 133 #define CONFIG_BOOTCOMMAND \ 134 "run findfdt; " \ 135 "run mmcboot;" 136 137 #endif 138 #endif /* __CONFIG_AM43XX_EVM_H */ 139