1 /* 2 * Copyright (C) 2013 Marek Vasut <marex@denx.de> 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License as 6 * published by the Free Software Foundation; either version 2 of 7 * the License, or (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 17 * MA 02111-1307 USA 18 */ 19 #ifndef __CONFIGS_MXS_H__ 20 #define __CONFIGS_MXS_H__ 21 22 /* 23 * Includes 24 */ 25 26 #if defined(CONFIG_MX23) && defined(CONFIG_MX28) 27 #error Select either CONFIG_MX23 or CONFIG_MX28 , never both! 28 #elif !defined(CONFIG_MX23) && !defined(CONFIG_MX28) 29 #error Select one of CONFIG_MX23 or CONFIG_MX28 ! 30 #endif 31 32 #include <asm/arch/regs-base.h> 33 34 #if defined(CONFIG_MX23) 35 #include <asm/arch/iomux-mx23.h> 36 #elif defined(CONFIG_MX28) 37 #include <asm/arch/iomux-mx28.h> 38 #endif 39 40 /* 41 * CPU specifics 42 */ 43 44 /* MXS uses FDT */ 45 #define CONFIG_OF_LIBFDT 46 47 /* Startup hooks */ 48 #define CONFIG_BOARD_EARLY_INIT_F 49 #define CONFIG_ARCH_MISC_INIT 50 51 /* SPL */ 52 #define CONFIG_SPL_NO_CPU_SUPPORT_CODE 53 #define CONFIG_SPL_START_S_PATH "arch/arm/cpu/arm926ejs/mxs" 54 #define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds" 55 #define CONFIG_SPL_LIBCOMMON_SUPPORT 56 #define CONFIG_SPL_LIBGENERIC_SUPPORT 57 #define CONFIG_SPL_SERIAL_SUPPORT 58 #define CONFIG_SPL_GPIO_SUPPORT 59 60 /* Memory sizes */ 61 #define CONFIG_SYS_MALLOC_LEN 0x00400000 /* 4 MB for malloc */ 62 #define CONFIG_SYS_MEMTEST_START 0x40000000 /* Memtest start adr */ 63 #define CONFIG_SYS_MEMTEST_END 0x40400000 /* 4 MB RAM test */ 64 65 /* OCRAM at 0x0 ; 32kB on MX23 ; 128kB on MX28 */ 66 #define CONFIG_SYS_INIT_RAM_ADDR 0x00000000 67 #if defined(CONFIG_MX23) 68 #define CONFIG_SYS_INIT_RAM_SIZE (32 * 1024) 69 #elif defined(CONFIG_MX28) 70 #define CONFIG_SYS_INIT_RAM_SIZE (128 * 1024) 71 #endif 72 73 /* Point initial SP in SRAM so SPL can use it too. */ 74 #define CONFIG_SYS_INIT_SP_OFFSET \ 75 (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) 76 #define CONFIG_SYS_INIT_SP_ADDR \ 77 (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET) 78 79 /* 80 * We need to sacrifice first 4 bytes of RAM here to avoid triggering some 81 * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot 82 * binary. In case there was more of this mess, 0x100 bytes are skipped. 83 * 84 * In case of a HAB boot, we cannot for some weird reason use the first 4KiB 85 * of DRAM when loading. Moreover, we use the first 4 KiB for IVT and CST 86 * blocks, thus U-Boot starts at offset +8 KiB of DRAM start. 87 * 88 * As for the SPL, we must avoid the first 4 KiB as well, but we load the 89 * IVT and CST to 0x8000, so we don't need to waste the subsequent 4 KiB. 90 */ 91 #define CONFIG_SYS_TEXT_BASE 0x40002000 92 #define CONFIG_SPL_TEXT_BASE 0x00001000 93 94 /* U-Boot general configuration */ 95 #define CONFIG_SYS_LONGHELP 96 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O buffer size */ 97 #define CONFIG_SYS_MAXARGS 32 /* Max number of command args */ 98 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 99 /* Boot argument buffer size */ 100 #define CONFIG_VERSION_VARIABLE /* U-BOOT version */ 101 #define CONFIG_AUTO_COMPLETE /* Command auto complete */ 102 #define CONFIG_CMDLINE_EDITING /* Command history etc */ 103 #define CONFIG_SYS_HUSH_PARSER 104 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> " 105 106 /* Booting Linux */ 107 #define CONFIG_CMDLINE_TAG 108 #define CONFIG_SETUP_MEMORY_TAGS 109 110 /* 111 * Drivers 112 */ 113 114 /* APBH DMA */ 115 #define CONFIG_APBH_DMA 116 117 /* GPIO */ 118 #define CONFIG_MXS_GPIO 119 120 /* 121 * DUART Serial Driver. 122 * Conflicts with AUART driver which can be set by board. 123 */ 124 #ifndef CONFIG_MXS_AUART 125 #define CONFIG_PL011_SERIAL 126 #define CONFIG_PL011_CLOCK 24000000 127 #define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE } 128 #define CONFIG_CONS_INDEX 0 129 #endif 130 /* Default baudrate can be overriden by board! */ 131 #ifndef CONFIG_BAUDRATE 132 #define CONFIG_BAUDRATE 115200 133 #endif 134 135 /* FEC Ethernet on SoC */ 136 #ifdef CONFIG_FEC_MXC 137 #define CONFIG_MII 138 #ifndef CONFIG_ETHPRIME 139 #define CONFIG_ETHPRIME "FEC0" 140 #endif 141 #ifndef CONFIG_FEC_XCV_TYPE 142 #define CONFIG_FEC_XCV_TYPE RMII 143 #endif 144 #endif 145 146 /* I2C */ 147 #ifdef CONFIG_CMD_I2C 148 #define CONFIG_SYS_I2C 149 #define CONFIG_SYS_I2C_MXS 150 #define CONFIG_HARD_I2C 151 #ifndef CONFIG_SYS_I2C_SPEED 152 #define CONFIG_SYS_I2C_SPEED 400000 153 #endif 154 #endif 155 156 /* LCD */ 157 #ifdef CONFIG_VIDEO 158 #define CONFIG_CFB_CONSOLE 159 #define CONFIG_VIDEO_MXS 160 #define CONFIG_VIDEO_SW_CURSOR 161 #define CONFIG_VGA_AS_SINGLE_DEVICE 162 #define CONFIG_SYS_CONSOLE_IS_IN_ENV 163 #endif 164 165 /* MMC */ 166 #ifdef CONFIG_CMD_MMC 167 #define CONFIG_MMC 168 #define CONFIG_GENERIC_MMC 169 #define CONFIG_BOUNCE_BUFFER 170 #define CONFIG_MXS_MMC 171 #endif 172 173 /* NAND */ 174 #ifdef CONFIG_CMD_NAND 175 #define CONFIG_NAND_MXS 176 #define CONFIG_SYS_MAX_NAND_DEVICE 1 177 #define CONFIG_SYS_NAND_BASE 0x60000000 178 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 179 #endif 180 181 /* OCOTP */ 182 #ifdef CONFIG_CMD_FUSE 183 #define CONFIG_MXS_OCOTP 184 #endif 185 186 /* SPI */ 187 #ifdef CONFIG_CMD_SPI 188 #define CONFIG_HARD_SPI 189 #define CONFIG_MXS_SPI 190 #define CONFIG_SPI_HALF_DUPLEX 191 #endif 192 193 /* USB */ 194 #ifdef CONFIG_CMD_USB 195 #define CONFIG_USB_EHCI 196 #define CONFIG_USB_EHCI_MXS 197 #define CONFIG_EHCI_IS_TDI 198 #endif 199 200 #endif /* __CONFIGS_MXS_H__ */ 201