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 /* I2C Configuration */ 29 #define CONFIG_CMD_EEPROM 30 #define CONFIG_ENV_EEPROM_IS_ON_I2C 31 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* Main EEPROM */ 32 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 33 #define CONFIG_SYS_I2C_MULTI_EEPROMS 34 35 /* SPL defines. */ 36 #define CONFIG_SPL_TEXT_BASE 0x40300350 37 #define CONFIG_SPL_MAX_SIZE (0x40337C00 - CONFIG_SPL_TEXT_BASE) 38 #define CONFIG_SPL_YMODEM_SUPPORT 39 40 /* Enabling L2 Cache */ 41 #define CONFIG_SYS_L2_PL310 42 #define CONFIG_SYS_PL310_BASE 0x48242000 43 #define CONFIG_SYS_CACHELINE_SIZE 32 44 45 /* 46 * Since SPL did pll and ddr initialization for us, 47 * we don't need to do it twice. 48 */ 49 #if !defined(CONFIG_SPL_BUILD) && !defined(CONFIG_NOR_BOOT) 50 #define CONFIG_SKIP_LOWLEVEL_INIT 51 #endif 52 53 /* Now bring in the rest of the common code. */ 54 #include <configs/ti_armv7_common.h> 55 56 /* Always 128 KiB env size */ 57 #define CONFIG_ENV_SIZE (128 << 10) 58 59 #define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG 60 61 /* Clock Defines */ 62 #define V_OSCK 24000000 /* Clock output from T2 */ 63 #define V_SCLK (V_OSCK) 64 65 /* NS16550 Configuration */ 66 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */ 67 68 #define CONFIG_ENV_IS_NOWHERE 69 70 #define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/omap-common/u-boot-spl.lds" 71 72 /* SPL USB Support */ 73 #define CONFIG_SPL_USB_SUPPORT 74 #define CONFIG_SPL_USB_HOST_SUPPORT 75 #define CONFIG_SYS_USB_FAT_BOOT_PARTITION 1 76 77 #define CONFIG_CMD_USB 78 #define CONFIG_USB_HOST 79 #define CONFIG_USB_XHCI 80 #define CONFIG_USB_XHCI_OMAP 81 #define CONFIG_USB_STORAGE 82 #define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS 2 83 84 #define CONFIG_OMAP_USB_PHY 85 #define CONFIG_AM437X_USB2PHY2_HOST 86 87 #ifndef CONFIG_SPL_BUILD 88 #define CONFIG_EXTRA_ENV_SETTINGS \ 89 "loadaddr=0x80200000\0" \ 90 "fdtaddr=0x80F80000\0" \ 91 "fdt_high=0xffffffff\0" \ 92 "rdaddr=0x81000000\0" \ 93 "fdtfile=undefined\0" \ 94 "bootpart=0:2\0" \ 95 "bootdir=/boot\0" \ 96 "bootfile=zImage\0" \ 97 "console=ttyO0,115200n8\0" \ 98 "optargs=\0" \ 99 "mmcdev=0\0" \ 100 "mmcroot=/dev/mmcblk0p2 rw\0" \ 101 "mmcrootfstype=ext4 rootwait\0" \ 102 "usbroot=/dev/sda2 rw\0" \ 103 "usbrootfstype=ext4 rootwait\0" \ 104 "usbdev=0\0" \ 105 "ramroot=/dev/ram0 rw ramdisk_size=65536 initrd=${rdaddr},64M\0" \ 106 "ramrootfstype=ext2\0" \ 107 "mmcargs=setenv bootargs console=${console} " \ 108 "${optargs} " \ 109 "root=${mmcroot} " \ 110 "rootfstype=${mmcrootfstype}\0" \ 111 "usbargs=setenv bootargs console=${console} " \ 112 "${optargs} " \ 113 "root=${usbroot} " \ 114 "rootfstype=${usbrootfstype}\0" \ 115 "bootenv=uEnv.txt\0" \ 116 "loadbootenv=load ${devtype} ${devnum} ${loadaddr} ${bootenv}\0" \ 117 "importbootenv=echo Importing environment from mmc ...; " \ 118 "env import -t $loadaddr $filesize\0" \ 119 "ramargs=setenv bootargs console=${console} " \ 120 "${optargs} " \ 121 "root=${ramroot} " \ 122 "rootfstype=${ramrootfstype}\0" \ 123 "loadramdisk=load ${devtype} ${devnum} ${rdaddr} ramdisk.gz\0" \ 124 "loadimage=load ${devtype} ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \ 125 "loadfdt=load ${devtype} ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \ 126 "mmcboot=mmc dev ${mmcdev}; " \ 127 "setenv devnum ${mmcdev}; " \ 128 "if mmc rescan; then " \ 129 "echo SD/MMC found on device ${devnum};" \ 130 "if run loadbootenv; then " \ 131 "echo Loaded environment from ${bootenv};" \ 132 "run importbootenv;" \ 133 "fi;" \ 134 "if test -n $uenvcmd; then " \ 135 "echo Running uenvcmd ...;" \ 136 "run uenvcmd;" \ 137 "fi;" \ 138 "if run loadimage; then " \ 139 "run loadfdt; " \ 140 "echo Booting from mmc${mmcdev} ...; " \ 141 "run mmcargs; " \ 142 "bootz ${loadaddr} - ${fdtaddr}; " \ 143 "fi;" \ 144 "fi;\0" \ 145 "usbboot=" \ 146 "setenv devnum ${usbdev}; " \ 147 "setenv devtype usb; " \ 148 "usb start ${usbdev}; " \ 149 "if usb dev ${usbdev}; then " \ 150 "if run loadbootenv; then " \ 151 "echo Loaded environment from ${bootenv};" \ 152 "run importbootenv;" \ 153 "fi;" \ 154 "if test -n $uenvcmd; then " \ 155 "echo Running uenvcmd ...;" \ 156 "run uenvcmd;" \ 157 "fi;" \ 158 "if run loadimage; then " \ 159 "run loadfdt; " \ 160 "echo Booting from usb ${usbdev}...; " \ 161 "run usbargs;" \ 162 "bootz ${loadaddr} - ${fdtaddr}; " \ 163 "fi;" \ 164 "fi\0" \ 165 "findfdt="\ 166 "if test $board_name = AM43EPOS; then " \ 167 "setenv fdtfile am43x-epos-evm.dtb; fi; " \ 168 "if test $board_name = AM43__GP; then " \ 169 "setenv fdtfile am437x-gp-evm.dtb; fi; " \ 170 "if test $fdtfile = undefined; then " \ 171 "echo WARNING: Could not determine device tree; fi; \0" 172 173 #define CONFIG_BOOTCOMMAND \ 174 "run findfdt; " \ 175 "run mmcboot;" \ 176 "run usbboot;" 177 178 #endif 179 #endif /* __CONFIG_AM43XX_EVM_H */ 180