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