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 (220 << 10) /* 220KB */ 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 "$(CPUDIR)/omap-common/u-boot-spl.lds" 71 72 /* SPL USB Support */ 73 #define CONFIG_SPL_USB_SUPPORT 74 #define CONFIG_SPL_USB_HOST_SUPPORT 75 #define CONFIG_SYS_USB_FAT_BOOT_PARTITION 1 76 77 #define CONFIG_CMD_USB 78 #define CONFIG_USB_HOST 79 #define CONFIG_USB_XHCI 80 #define CONFIG_USB_XHCI_OMAP 81 #define CONFIG_USB_STORAGE 82 #define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS 2 83 84 #define CONFIG_OMAP_USB_PHY 85 #define CONFIG_AM437X_USB2PHY2_HOST 86 87 /* Enhance our eMMC support / experience. */ 88 #define CONFIG_CMD_GPT 89 #define CONFIG_EFI_PARTITION 90 #define CONFIG_PARTITION_UUIDS 91 #define CONFIG_CMD_PART 92 93 #ifndef CONFIG_SPL_BUILD 94 #define CONFIG_EXTRA_ENV_SETTINGS \ 95 "loadaddr=0x80200000\0" \ 96 "fdtaddr=0x80F80000\0" \ 97 "fdt_high=0xffffffff\0" \ 98 "rdaddr=0x81000000\0" \ 99 "fdtfile=undefined\0" \ 100 "bootpart=0:2\0" \ 101 "bootdir=/boot\0" \ 102 "bootfile=zImage\0" \ 103 "console=ttyO0,115200n8\0" \ 104 "partitions=" \ 105 "uuid_disk=${uuid_gpt_disk};" \ 106 "name=rootfs,start=2MiB,size=-,uuid=${uuid_gpt_rootfs}\0" \ 107 "optargs=\0" \ 108 "mmcdev=0\0" \ 109 "mmcroot=/dev/mmcblk0p2 rw\0" \ 110 "mmcrootfstype=ext4 rootwait\0" \ 111 "usbroot=/dev/sda2 rw\0" \ 112 "usbrootfstype=ext4 rootwait\0" \ 113 "usbdev=0\0" \ 114 "ramroot=/dev/ram0 rw ramdisk_size=65536 initrd=${rdaddr},64M\0" \ 115 "ramrootfstype=ext2\0" \ 116 "mmcargs=setenv bootargs console=${console} " \ 117 "${optargs} " \ 118 "root=${mmcroot} " \ 119 "rootfstype=${mmcrootfstype}\0" \ 120 "usbargs=setenv bootargs console=${console} " \ 121 "${optargs} " \ 122 "root=${usbroot} " \ 123 "rootfstype=${usbrootfstype}\0" \ 124 "bootenv=uEnv.txt\0" \ 125 "loadbootenv=load ${devtype} ${devnum} ${loadaddr} ${bootenv}\0" \ 126 "importbootenv=echo Importing environment from mmc ...; " \ 127 "env import -t $loadaddr $filesize\0" \ 128 "ramargs=setenv bootargs console=${console} " \ 129 "${optargs} " \ 130 "root=${ramroot} " \ 131 "rootfstype=${ramrootfstype}\0" \ 132 "loadramdisk=load ${devtype} ${devnum} ${rdaddr} ramdisk.gz\0" \ 133 "loadimage=load ${devtype} ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \ 134 "loadfdt=load ${devtype} ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \ 135 "mmcboot=mmc dev ${mmcdev}; " \ 136 "setenv devnum ${mmcdev}; " \ 137 "if mmc rescan; then " \ 138 "echo SD/MMC found on device ${devnum};" \ 139 "if run loadbootenv; then " \ 140 "echo Loaded environment from ${bootenv};" \ 141 "run importbootenv;" \ 142 "fi;" \ 143 "if test -n $uenvcmd; then " \ 144 "echo Running uenvcmd ...;" \ 145 "run uenvcmd;" \ 146 "fi;" \ 147 "if run loadimage; then " \ 148 "run loadfdt; " \ 149 "echo Booting from mmc${mmcdev} ...; " \ 150 "run mmcargs; " \ 151 "bootz ${loadaddr} - ${fdtaddr}; " \ 152 "fi;" \ 153 "fi;\0" \ 154 "usbboot=" \ 155 "setenv devnum ${usbdev}; " \ 156 "setenv devtype usb; " \ 157 "usb start ${usbdev}; " \ 158 "if usb dev ${usbdev}; then " \ 159 "if run loadbootenv; then " \ 160 "echo Loaded environment from ${bootenv};" \ 161 "run importbootenv;" \ 162 "fi;" \ 163 "if test -n $uenvcmd; then " \ 164 "echo Running uenvcmd ...;" \ 165 "run uenvcmd;" \ 166 "fi;" \ 167 "if run loadimage; then " \ 168 "run loadfdt; " \ 169 "echo Booting from usb ${usbdev}...; " \ 170 "run usbargs;" \ 171 "bootz ${loadaddr} - ${fdtaddr}; " \ 172 "fi;" \ 173 "fi\0" \ 174 "findfdt="\ 175 "if test $board_name = AM43EPOS; then " \ 176 "setenv fdtfile am43x-epos-evm.dtb; fi; " \ 177 "if test $board_name = AM43__GP; then " \ 178 "setenv fdtfile am437x-gp-evm.dtb; fi; " \ 179 "if test $fdtfile = undefined; then " \ 180 "echo WARNING: Could not determine device tree; fi; \0" 181 182 #define CONFIG_BOOTCOMMAND \ 183 "run findfdt; " \ 184 "run mmcboot;" \ 185 "run usbboot;" 186 187 #endif 188 #endif /* __CONFIG_AM43XX_EVM_H */ 189