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_VIDEO_BMP_GZIP 34 #define CONFIG_SYS_VIDEO_LOGO_MAX_SIZE (1366*767*4) 35 #define CONFIG_CMD_UNZIP 36 #define CONFIG_CMD_BMP 37 #define CONFIG_BMP_24BMP 38 #define CONFIG_BMP_32BPP 39 40 #define CONFIG_SYS_GENERIC_BOARD 41 42 #define CONFIG_AM33XX 43 #define CONFIG_OMAP 44 #define CONFIG_OMAP_COMMON 45 #define CONFIG_BOARD_LATE_INIT 46 #define CONFIG_SYS_CACHELINE_SIZE 64 47 #define CONFIG_MAX_RAM_BANK_SIZE (1024 << 20) /* 1GB */ 48 49 /* Timer information */ 50 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ 51 #define CONFIG_SYS_TIMERBASE 0x48040000 /* Use Timer2 */ 52 #define CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC /* enable 32kHz OSC at bootime */ 53 #define CONFIG_SPL_POWER_SUPPORT 54 #define CONFIG_POWER_TPS65217 55 56 #define CONFIG_SYS_NO_FLASH /* have no NOR-flash */ 57 58 #include <asm/arch/omap.h> 59 60 /* NS16550 Configuration */ 61 #define CONFIG_SYS_NS16550 62 #define CONFIG_SYS_NS16550_SERIAL 63 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 64 #define CONFIG_SYS_NS16550_CLK 48000000 65 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* UART0 */ 66 #define CONFIG_BAUDRATE 115200 67 68 /* Network defines */ 69 #define CONFIG_CMD_NET /* 'bootp' and 'tftp' */ 70 #define CONFIG_CMD_DHCP 71 #define CONFIG_BOOTP_DNS /* Configurable parts of CMD_DHCP */ 72 #define CONFIG_BOOTP_SEND_HOSTNAME 73 #define CONFIG_BOOTP_GATEWAY 74 #define CONFIG_BOOTP_SUBNETMASK 75 #define CONFIG_NET_RETRY_COUNT 2 76 #define CONFIG_CMD_PING 77 #define CONFIG_DRIVER_TI_CPSW /* Driver for IP block */ 78 #define CONFIG_MII /* Required in net/eth.c */ 79 #define CONFIG_SPL_ETH_SUPPORT 80 #define CONFIG_PHYLIB 81 #define CONFIG_PHY_NATSEMI 82 #define CONFIG_SPL_NET_SUPPORT 83 #define CONFIG_SPL_ENV_SUPPORT /* used for a fetching MAC-Address */ 84 #define CONFIG_SPL_NET_VCI_STRING "AM335x U-Boot SPL" 85 /* Network console */ 86 #define CONFIG_NETCONSOLE 1 87 #define CONFIG_BOOTP_MAY_FAIL /* if we don't have DHCP environment */ 88 /* 89 * SPL related defines. The Public RAM memory map the ROM defines the 90 * area between 0x402F0400 and 0x4030B800 as a download area and 91 * 0x4030B800 to 0x4030CE00 as a public stack area. The ROM also 92 * supports X-MODEM loading via UART, and we leverage this and then use 93 * Y-MODEM to load u-boot.img, when booted over UART. 94 */ 95 #define CONFIG_SPL_TEXT_BASE 0x402F0400 96 #define CONFIG_SPL_MAX_SIZE (0x4030B800 - CONFIG_SPL_TEXT_BASE) 97 98 /* 99 * Since SPL did pll and ddr initialization for us, 100 * we don't need to do it twice. 101 */ 102 #if !defined(CONFIG_SPL_BUILD) && !defined(CONFIG_NOR_BOOT) 103 #define CONFIG_SKIP_LOWLEVEL_INIT 104 #endif /* !CONFIG_SPL_BUILD, ... */ 105 /* 106 * Our DDR memory always starts at 0x80000000 and U-Boot shall have 107 * relocated itself to higher in memory by the time this value is used. 108 */ 109 #define CONFIG_SYS_LOAD_ADDR 0x80000000 110 /* 111 * ---------------------------------------------------------------------------- 112 * DDR information. We say (for simplicity) that we have 1 bank, 113 * always, even when we have more. We always start at 0x80000000, 114 * and we place the initial stack pointer in our SRAM. 115 */ 116 #define CONFIG_NR_DRAM_BANKS 1 117 #define CONFIG_SYS_SDRAM_BASE 0x80000000 118 #define CONFIG_SYS_INIT_SP_ADDR (NON_SECURE_SRAM_END - \ 119 GENERATED_GBL_DATA_SIZE) 120 121 /* I2C */ 122 #define CONFIG_SYS_I2C 123 #define CONFIG_SYS_OMAP24_I2C_SPEED 100000 124 #define CONFIG_SYS_OMAP24_I2C_SLAVE 1 125 #define CONFIG_SYS_I2C_OMAP24XX 126 #define CONFIG_CMD_I2C 127 /* GPIO */ 128 #define CONFIG_OMAP_GPIO 129 #define CONFIG_CMD_GPIO 130 /* 131 * ---------------------------------------------------------------------------- 132 * The following are general good-enough settings for U-Boot. We set a 133 * large malloc pool as we generally have a lot of DDR, and we opt for 134 * function over binary size in the main portion of U-Boot as this is 135 * generally easily constrained later if needed. We enable the config 136 * options that give us information in the environment about what board 137 * we are on so we do not need to rely on the command prompt. We set a 138 * console baudrate of 115200 and use the default baud rate table. 139 */ 140 #define CONFIG_SYS_MALLOC_LEN (5120 << 10) 141 #define CONFIG_SYS_HUSH_PARSER 142 #define CONFIG_SYS_PROMPT "U-Boot (BuR V2.0)# " 143 #define CONFIG_SYS_CONSOLE_INFO_QUIET 144 #define CONFIG_ENV_OVERWRITE /* Overwrite ethaddr / serial# */ 145 #define CONFIG_SYS_CONSOLE_IS_IN_ENV 146 #define CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE 147 148 /* As stated above, the following choices are optional. */ 149 #define CONFIG_SYS_LONGHELP 150 #define CONFIG_AUTO_COMPLETE 151 #define CONFIG_CMDLINE_EDITING 152 #define CONFIG_VERSION_VARIABLE 153 154 /* We set the max number of command args high to avoid HUSH bugs. */ 155 #define CONFIG_SYS_MAXARGS 64 156 157 /* Console I/O Buffer Size */ 158 #define CONFIG_SYS_CBSIZE 512 159 /* Print Buffer Size */ 160 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE +\ 161 sizeof(CONFIG_SYS_PROMPT) + 16) 162 /* Boot Argument Buffer Size */ 163 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 164 /* 165 * For commands to use, we take the default list and add a few other 166 * useful commands. Note that we must have set CONFIG_SYS_NO_FLASH 167 * prior to this include, in order to skip a few commands. When we do 168 * have flash, if we expect these commands they must be enabled in that 169 * config. If desired, a specific list of desired commands can be used 170 * instead. 171 */ 172 #include <config_cmd_default.h> 173 /* undefine commands, which we do not need */ 174 #undef CONFIG_CMD_EDITENV 175 #undef CONFIG_CMD_FPGA 176 #undef CONFIG_CMD_IMI 177 #undef CONFIG_CMD_ITEST 178 #undef CONFIG_CMD_LOADS 179 #undef CONFIG_CMD_LOADB 180 #undef CONFIG_CMD_NFS 181 #undef CONFIG_CMD_SETGETDCR 182 #undef CONFIG_CMD_XIMG 183 /* define command we need always */ 184 #define CONFIG_CMD_ECHO 185 #define CONFIG_CMD_SOURCE 186 187 /* 188 * Our platforms make use of SPL to initalize the hardware (primarily 189 * memory) enough for full U-Boot to be loaded. We also support Falcon 190 * Mode so that the Linux kernel can be booted directly from SPL 191 * instead, if desired. We make use of the general SPL framework found 192 * under common/spl/. Given our generally common memory map, we set a 193 * number of related defaults and sizes here. 194 */ 195 #define CONFIG_SPL_FRAMEWORK 196 /* 197 * Place the image at the start of the ROM defined image space. 198 * We limit our size to the ROM-defined downloaded image area, and use the 199 * rest of the space for stack. We load U-Boot itself into memory at 200 * 0x80800000 for legacy reasons (to not conflict with older SPLs). We 201 * have our BSS be placed 1MiB after this, to allow for the default 202 * Linux kernel address of 0x80008000 to work, in the Falcon Mode case. 203 * We have the SPL malloc pool at the end of the BSS area. 204 * 205 * ---------------------------------------------------------------------------- 206 */ 207 #undef CONFIG_SYS_TEXT_BASE 208 #define CONFIG_SYS_TEXT_BASE 0x80800000 209 #define CONFIG_SPL_BSS_START_ADDR 0x80A00000 210 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */ 211 #define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SPL_BSS_START_ADDR + \ 212 CONFIG_SPL_BSS_MAX_SIZE) 213 #define CONFIG_SYS_SPL_MALLOC_SIZE CONFIG_SYS_MALLOC_LEN 214 215 /* General parts of the framework, required. */ 216 #define CONFIG_SPL_I2C_SUPPORT 217 #define CONFIG_SPL_LIBCOMMON_SUPPORT 218 #define CONFIG_SPL_LIBGENERIC_SUPPORT 219 #define CONFIG_SPL_SERIAL_SUPPORT 220 #define CONFIG_SPL_BOARD_INIT 221 #define CONFIG_SPL_YMODEM_SUPPORT 222 #define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/am33xx/u-boot-spl.lds" 223 224 #endif /* ! __BUR_AM335X_COMMON_H__ */ 225