1 /* 2 * bur_am335x_common.h 3 * 4 * common parts used by B&R AM335x based boards 5 * 6 * Copyright (C) 2013 Hannes Petermaier <oe5hpm@oevsv.at> - 7 * Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com 8 * 9 * SPDX-License-Identifier: GPL-2.0+ 10 */ 11 12 #ifndef __BUR_AM335X_COMMON_H__ 13 #define __BUR_AM335X_COMMON_H__ 14 /* ------------------------------------------------------------------------- */ 15 #define BUR_COMMON_ENV \ 16 "usbscript=usb start && fatload usb 0 0x80000000 usbscript.img && source\0" \ 17 "defaultip=192.168.60.253\0" \ 18 "defaultsip=192.168.60.254\0" \ 19 "netconsole=echo switching to network console ...; " \ 20 "if dhcp; then " \ 21 "setenv ncip ${serverip}; else " \ 22 "setenv ncip 192.168.60.254; " \ 23 "setenv serverip 192.168.60.254; " \ 24 "setenv gatewayip 192.168.60.254; " \ 25 "setenv ipaddr 192.168.60.1; " \ 26 "fi;" \ 27 "setenv netdisplay0 '" \ 28 "setcurs 1 9; puts myip; setcurs 10 9; puts ${ipaddr};" \ 29 "setcurs 1 10;puts serverip; setcurs 10 10; puts ${serverip};" \ 30 "run netdisplay0; " \ 31 "setenv stdout nc;setenv stdin nc;setenv stderr nc\0" 32 33 #define CONFIG_CMD_TIME 34 35 #define CONFIG_SYS_GENERIC_BOARD 36 37 #define CONFIG_AM33XX 38 #define CONFIG_OMAP 39 #define CONFIG_OMAP_COMMON 40 #define CONFIG_BOARD_LATE_INIT 41 #define CONFIG_SYS_CACHELINE_SIZE 64 42 #define CONFIG_MAX_RAM_BANK_SIZE (1024 << 20) /* 1GB */ 43 44 /* Timer information */ 45 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ 46 #define CONFIG_SYS_TIMERBASE 0x48040000 /* Use Timer2 */ 47 #define CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC /* enable 32kHz OSC at bootime */ 48 #define CONFIG_SPL_POWER_SUPPORT 49 #define CONFIG_POWER_TPS65217 50 51 #define CONFIG_SYS_NO_FLASH /* have no NOR-flash */ 52 53 #include <asm/arch/omap.h> 54 55 /* NS16550 Configuration */ 56 #define CONFIG_SYS_NS16550 57 #define CONFIG_SYS_NS16550_SERIAL 58 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 59 #define CONFIG_SYS_NS16550_CLK 48000000 60 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* UART0 */ 61 #define CONFIG_BAUDRATE 115200 62 63 /* Network defines */ 64 #define CONFIG_CMD_NET /* 'bootp' and 'tftp' */ 65 #define CONFIG_CMD_DHCP 66 #define CONFIG_BOOTP_DNS /* Configurable parts of CMD_DHCP */ 67 #define CONFIG_BOOTP_SEND_HOSTNAME 68 #define CONFIG_BOOTP_GATEWAY 69 #define CONFIG_BOOTP_SUBNETMASK 70 #define CONFIG_NET_RETRY_COUNT 2 71 #define CONFIG_CMD_PING 72 #define CONFIG_DRIVER_TI_CPSW /* Driver for IP block */ 73 #define CONFIG_MII /* Required in net/eth.c */ 74 #define CONFIG_SPL_ETH_SUPPORT 75 #define CONFIG_PHYLIB 76 #define CONFIG_PHY_NATSEMI 77 #define CONFIG_SPL_NET_SUPPORT 78 #define CONFIG_SPL_ENV_SUPPORT /* used for a fetching MAC-Address */ 79 #define CONFIG_SPL_NET_VCI_STRING "AM335x U-Boot SPL" 80 /* Network console */ 81 #define CONFIG_NETCONSOLE 1 82 #define CONFIG_BOOTP_MAY_FAIL /* if we don't have DHCP environment */ 83 /* 84 * SPL related defines. The Public RAM memory map the ROM defines the 85 * area between 0x402F0400 and 0x4030B800 as a download area and 86 * 0x4030B800 to 0x4030CE00 as a public stack area. The ROM also 87 * supports X-MODEM loading via UART, and we leverage this and then use 88 * Y-MODEM to load u-boot.img, when booted over UART. 89 */ 90 #define CONFIG_SPL_TEXT_BASE 0x402F0400 91 #define CONFIG_SPL_MAX_SIZE (0x4030B800 - CONFIG_SPL_TEXT_BASE) 92 93 /* 94 * Since SPL did pll and ddr initialization for us, 95 * we don't need to do it twice. 96 */ 97 #if !defined(CONFIG_SPL_BUILD) && !defined(CONFIG_NOR_BOOT) 98 #define CONFIG_SKIP_LOWLEVEL_INIT 99 #endif /* !CONFIG_SPL_BUILD, ... */ 100 /* 101 * Our DDR memory always starts at 0x80000000 and U-Boot shall have 102 * relocated itself to higher in memory by the time this value is used. 103 */ 104 #define CONFIG_SYS_LOAD_ADDR 0x80000000 105 /* 106 * ---------------------------------------------------------------------------- 107 * DDR information. We say (for simplicity) that we have 1 bank, 108 * always, even when we have more. We always start at 0x80000000, 109 * and we place the initial stack pointer in our SRAM. 110 */ 111 #define CONFIG_NR_DRAM_BANKS 1 112 #define CONFIG_SYS_SDRAM_BASE 0x80000000 113 #define CONFIG_SYS_INIT_SP_ADDR (NON_SECURE_SRAM_END - \ 114 GENERATED_GBL_DATA_SIZE) 115 116 /* I2C */ 117 #define CONFIG_SYS_I2C 118 #define CONFIG_SYS_OMAP24_I2C_SPEED 100000 119 #define CONFIG_SYS_OMAP24_I2C_SLAVE 1 120 #define CONFIG_SYS_I2C_OMAP24XX 121 #define CONFIG_CMD_I2C 122 /* GPIO */ 123 #define CONFIG_OMAP_GPIO 124 #define CONFIG_CMD_GPIO 125 /* 126 * ---------------------------------------------------------------------------- 127 * The following are general good-enough settings for U-Boot. We set a 128 * large malloc pool as we generally have a lot of DDR, and we opt for 129 * function over binary size in the main portion of U-Boot as this is 130 * generally easily constrained later if needed. We enable the config 131 * options that give us information in the environment about what board 132 * we are on so we do not need to rely on the command prompt. We set a 133 * console baudrate of 115200 and use the default baud rate table. 134 */ 135 #define CONFIG_SYS_MALLOC_LEN (5120 << 10) 136 #define CONFIG_SYS_HUSH_PARSER 137 #define CONFIG_SYS_PROMPT "U-Boot (BuR V2.0)# " 138 #define CONFIG_SYS_CONSOLE_INFO_QUIET 139 #define CONFIG_ENV_OVERWRITE /* Overwrite ethaddr / serial# */ 140 #define CONFIG_SYS_CONSOLE_IS_IN_ENV 141 #define CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE 142 143 /* As stated above, the following choices are optional. */ 144 #define CONFIG_SYS_LONGHELP 145 #define CONFIG_AUTO_COMPLETE 146 #define CONFIG_CMDLINE_EDITING 147 #define CONFIG_VERSION_VARIABLE 148 149 /* We set the max number of command args high to avoid HUSH bugs. */ 150 #define CONFIG_SYS_MAXARGS 64 151 152 /* Console I/O Buffer Size */ 153 #define CONFIG_SYS_CBSIZE 512 154 /* Print Buffer Size */ 155 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE +\ 156 sizeof(CONFIG_SYS_PROMPT) + 16) 157 /* Boot Argument Buffer Size */ 158 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 159 /* 160 * For commands to use, we take the default list and add a few other 161 * useful commands. Note that we must have set CONFIG_SYS_NO_FLASH 162 * prior to this include, in order to skip a few commands. When we do 163 * have flash, if we expect these commands they must be enabled in that 164 * config. If desired, a specific list of desired commands can be used 165 * instead. 166 */ 167 #include <config_cmd_default.h> 168 /* undefine commands, which we do not need */ 169 #undef CONFIG_CMD_EDITENV 170 #undef CONFIG_CMD_FPGA 171 #undef CONFIG_CMD_IMI 172 #undef CONFIG_CMD_ITEST 173 #undef CONFIG_CMD_LOADS 174 #undef CONFIG_CMD_LOADB 175 #undef CONFIG_CMD_NFS 176 #undef CONFIG_CMD_SETGETDCR 177 #undef CONFIG_CMD_XIMG 178 /* define command we need always */ 179 #define CONFIG_CMD_ECHO 180 #define CONFIG_CMD_SOURCE 181 182 /* 183 * Our platforms make use of SPL to initalize the hardware (primarily 184 * memory) enough for full U-Boot to be loaded. We also support Falcon 185 * Mode so that the Linux kernel can be booted directly from SPL 186 * instead, if desired. We make use of the general SPL framework found 187 * under common/spl/. Given our generally common memory map, we set a 188 * number of related defaults and sizes here. 189 */ 190 #define CONFIG_SPL_FRAMEWORK 191 /* 192 * Place the image at the start of the ROM defined image space. 193 * We limit our size to the ROM-defined downloaded image area, and use the 194 * rest of the space for stack. We load U-Boot itself into memory at 195 * 0x80800000 for legacy reasons (to not conflict with older SPLs). We 196 * have our BSS be placed 1MiB after this, to allow for the default 197 * Linux kernel address of 0x80008000 to work, in the Falcon Mode case. 198 * We have the SPL malloc pool at the end of the BSS area. 199 * 200 * ---------------------------------------------------------------------------- 201 */ 202 #undef CONFIG_SYS_TEXT_BASE 203 #define CONFIG_SYS_TEXT_BASE 0x80800000 204 #define CONFIG_SPL_BSS_START_ADDR 0x80A00000 205 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */ 206 #define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SPL_BSS_START_ADDR + \ 207 CONFIG_SPL_BSS_MAX_SIZE) 208 #define CONFIG_SYS_SPL_MALLOC_SIZE CONFIG_SYS_MALLOC_LEN 209 210 /* General parts of the framework, required. */ 211 #define CONFIG_SPL_I2C_SUPPORT 212 #define CONFIG_SPL_LIBCOMMON_SUPPORT 213 #define CONFIG_SPL_LIBGENERIC_SUPPORT 214 #define CONFIG_SPL_SERIAL_SUPPORT 215 #define CONFIG_SPL_BOARD_INIT 216 #define CONFIG_SPL_YMODEM_SUPPORT 217 #define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/am33xx/u-boot-spl.lds" 218 219 #endif /* ! __BUR_AM335X_COMMON_H__ */ 220