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 #define CONFIG_SYS_GENERIC_BOARD 44 45 /* MXS uses FDT */ 46 #define CONFIG_OF_LIBFDT 47 48 /* Startup hooks */ 49 #define CONFIG_BOARD_EARLY_INIT_F 50 #define CONFIG_ARCH_MISC_INIT 51 52 /* SPL */ 53 #define CONFIG_SPL_NO_CPU_SUPPORT_CODE 54 #define CONFIG_SPL_START_S_PATH "arch/arm/cpu/arm926ejs/mxs" 55 #define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds" 56 #define CONFIG_SPL_LIBCOMMON_SUPPORT 57 #define CONFIG_SPL_LIBGENERIC_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_PBSIZE \ 98 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) 99 /* Print buffer size */ 100 #define CONFIG_SYS_MAXARGS 32 /* Max number of command args */ 101 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 102 /* Boot argument buffer size */ 103 #define CONFIG_VERSION_VARIABLE /* U-BOOT version */ 104 #define CONFIG_AUTO_COMPLETE /* Command auto complete */ 105 #define CONFIG_CMDLINE_EDITING /* Command history etc */ 106 #define CONFIG_SYS_HUSH_PARSER 107 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> " 108 109 /* Booting Linux */ 110 #define CONFIG_CMDLINE_TAG 111 #define CONFIG_SETUP_MEMORY_TAGS 112 113 /* 114 * Drivers 115 */ 116 117 /* APBH DMA */ 118 #define CONFIG_APBH_DMA 119 120 /* GPIO */ 121 #define CONFIG_MXS_GPIO 122 123 /* 124 * DUART Serial Driver. 125 * Conflicts with AUART driver which can be set by board. 126 */ 127 #ifndef CONFIG_MXS_AUART 128 #define CONFIG_PL011_SERIAL 129 #define CONFIG_PL011_CLOCK 24000000 130 #define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE } 131 #define CONFIG_CONS_INDEX 0 132 #endif 133 /* Default baudrate can be overriden by board! */ 134 #ifndef CONFIG_BAUDRATE 135 #define CONFIG_BAUDRATE 115200 136 #endif 137 138 /* FEC Ethernet on SoC */ 139 #ifdef CONFIG_FEC_MXC 140 #define CONFIG_MII 141 #ifndef CONFIG_ETHPRIME 142 #define CONFIG_ETHPRIME "FEC0" 143 #endif 144 #ifndef CONFIG_FEC_XCV_TYPE 145 #define CONFIG_FEC_XCV_TYPE RMII 146 #endif 147 #endif 148 149 /* I2C */ 150 #ifdef CONFIG_CMD_I2C 151 #define CONFIG_SYS_I2C 152 #define CONFIG_SYS_I2C_MXS 153 #define CONFIG_HARD_I2C 154 #ifndef CONFIG_SYS_I2C_SPEED 155 #define CONFIG_SYS_I2C_SPEED 400000 156 #endif 157 #endif 158 159 /* LCD */ 160 #ifdef CONFIG_VIDEO 161 #define CONFIG_CFB_CONSOLE 162 #define CONFIG_VIDEO_MXS 163 #define CONFIG_VIDEO_SW_CURSOR 164 #define CONFIG_VGA_AS_SINGLE_DEVICE 165 #define CONFIG_SYS_CONSOLE_IS_IN_ENV 166 #endif 167 168 /* MMC */ 169 #ifdef CONFIG_CMD_MMC 170 #define CONFIG_MMC 171 #define CONFIG_GENERIC_MMC 172 #define CONFIG_BOUNCE_BUFFER 173 #define CONFIG_MXS_MMC 174 #endif 175 176 /* NAND */ 177 #ifdef CONFIG_CMD_NAND 178 #define CONFIG_NAND_MXS 179 #define CONFIG_SYS_MAX_NAND_DEVICE 1 180 #define CONFIG_SYS_NAND_BASE 0x60000000 181 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 182 #endif 183 184 /* OCOTP */ 185 #ifdef CONFIG_CMD_FUSE 186 #define CONFIG_MXS_OCOTP 187 #endif 188 189 /* SPI */ 190 #ifdef CONFIG_CMD_SPI 191 #define CONFIG_HARD_SPI 192 #define CONFIG_MXS_SPI 193 #define CONFIG_SPI_HALF_DUPLEX 194 #endif 195 196 /* USB */ 197 #ifdef CONFIG_CMD_USB 198 #define CONFIG_USB_EHCI 199 #define CONFIG_USB_EHCI_MXS 200 #define CONFIG_EHCI_IS_TDI 201 #endif 202 203 #endif /* __CONFIGS_MXS_H__ */ 204