/* * Copyright (C) 2013 Marek Vasut * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #ifndef __CONFIGS_MXS_H__ #define __CONFIGS_MXS_H__ /* * Includes */ #if defined(CONFIG_MX23) && defined(CONFIG_MX28) #error Select either CONFIG_MX23 or CONFIG_MX28 , never both! #elif !defined(CONFIG_MX23) && !defined(CONFIG_MX28) #error Select one of CONFIG_MX23 or CONFIG_MX28 ! #endif #include #if defined(CONFIG_MX23) #include #elif defined(CONFIG_MX28) #include #endif /* * CPU specifics */ /* Startup hooks */ /* Memory sizes */ /* OCRAM at 0x0 ; 32kB on MX23 ; 128kB on MX28 */ #define CONFIG_SYS_INIT_RAM_ADDR 0x00000000 #if defined(CONFIG_MX23) #define CONFIG_SYS_INIT_RAM_SIZE (32 * 1024) #elif defined(CONFIG_MX28) #define CONFIG_SYS_INIT_RAM_SIZE (128 * 1024) #endif /* Point initial SP in SRAM so SPL can use it too. */ /* * We need to sacrifice first 4 bytes of RAM here to avoid triggering some * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot * binary. In case there was more of this mess, 0x100 bytes are skipped. * * In case of a HAB boot, we cannot for some weird reason use the first 4KiB * of DRAM when loading. Moreover, we use the first 4 KiB for IVT and CST * blocks, thus U-Boot starts at offset +8 KiB of DRAM start. * * As for the SPL, we must avoid the first 4 KiB as well, but we load the * IVT and CST to 0x8000, so we don't need to waste the subsequent 4 KiB. */ /* U-Boot general configuration */ /* * Drivers */ /* * DUART Serial Driver. * Conflicts with AUART driver which can be set by board. */ #define CONFIG_PL011_CLOCK 24000000 #define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE } /* Default baudrate can be overridden by board! */ /* NAND */ #ifdef CONFIG_CMD_NAND #define CONFIG_SYS_MAX_NAND_DEVICE 1 #define CONFIG_SYS_NAND_BASE 0x60000000 #endif /* OCOTP */ #ifdef CONFIG_CMD_FUSE #define CONFIG_MXS_OCOTP #endif /* SPI */ #ifdef CONFIG_CMD_SPI #define CONFIG_SPI_HALF_DUPLEX #endif #endif /* __CONFIGS_MXS_H__ */