This adds support for the SHMIN SH7706 board(T-SH7706LAN). The CPU of this board is SH7706. There are SDRAM of 32M byte, Flash memory of 512K byte, Serial, 10Base Ether and MMC. http://web.kyoto-inet.or.jp/people/takagaki/T-SH7706/T-SH7706.htm Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
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#
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# Copyright (C) 2010 Nobuhiro Iwamatsu
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# Copyright (C) 2008 Renesas Solutions Corp.
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#
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# u-boot/board/shmin/Makefile
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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# MA 02111-1307 USA
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include $(TOPDIR)/config.mk |
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LIB = lib$(BOARD).a
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OBJS := shmin.o
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SOBJS := lowlevel_init.o
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LIB := $(addprefix $(obj),$(LIB))
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OBJS := $(addprefix $(obj),$(OBJS))
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SOBJS := $(addprefix $(obj),$(SOBJS))
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$(LIB): $(obj).depend $(OBJS) $(SOBJS) |
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$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
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clean: |
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rm -f $(SOBJS) $(OBJS)
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distclean: clean |
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rm -f $(LIB) core *.bak .depend
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#########################################################################
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# defines $(obj).depend target
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include $(SRCTREE)/rules.mk |
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sinclude $(obj).depend |
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#########################################################################
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#
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# Copyright (C) 2010 Nobuhiro Iwamatsu
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#
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# u-boot/board/shmin/config.mk
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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# MA 02111-1307 USA
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#
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# TEXT_BASE refers to image _after_ relocation.
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#
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# NOTE: Must match value used in u-boot.lds (in this directory).
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#
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CONFIG_SYS_TEXT_BASE = 0x8DFC0000
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@ -0,0 +1,36 @@ |
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/* |
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* (C) Copyright 2008, 2010 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
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* |
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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#include <config.h> |
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#include <version.h> |
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#include <asm/processor.h> |
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#include <asm/macro.h> |
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.global lowlevel_init
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.text |
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.align 2
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lowlevel_init: |
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/* Use setting of original bootloader */ |
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rts |
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nop |
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.align 2
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@ -0,0 +1,108 @@ |
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/*
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* Copyright (C) 2007 - 2010 |
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* Nobuhiro Iwamatsu <iwamatsu@nigauri.org> |
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* (C) Copyright 2000-2003 |
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
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* Copyright (C) 2004-2007 Freescale Semiconductor, Inc. |
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* |
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* board/shmin/shmin.c |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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* |
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* Copy board_flash_get_legacy() from board/freescale/m54455evb/m54455evb.c |
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*/ |
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#include <common.h> |
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#include <asm/io.h> |
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#include <asm/processor.h> |
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int checkboard(void) |
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{ |
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puts("BOARD: T-SH7706LAN "); |
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if(readb(0xb0008006) == 0xab) |
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puts("v2\n"); |
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else |
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puts("v1\n"); |
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return 0; |
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} |
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int board_init(void) |
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{ |
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writew(0x2980, BCR2); |
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return 0; |
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} |
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int dram_init(void) |
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{ |
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DECLARE_GLOBAL_DATA_PTR; |
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gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; |
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gd->bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE; |
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printf("DRAM: %dMB\n", CONFIG_SYS_SDRAM_SIZE / (1024 * 1024)); |
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return 0; |
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} |
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void led_set_state(unsigned short value) |
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{ |
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} |
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#if defined(CONFIG_FLASH_CFI_LEGACY) |
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#include <flash.h> |
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ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t *info) |
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{ |
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int sect[] = CONFIG_SYS_ATMEL_SECT; |
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int sectsz[] = CONFIG_SYS_ATMEL_SECTSZ; |
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int i, j, k; |
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if (base != CONFIG_SYS_ATMEL_BASE) |
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return 0; |
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info->flash_id = 0x01000000; |
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info->portwidth = 1; |
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info->chipwidth = 1; |
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info->buffer_size = 1; |
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info->erase_blk_tout = 16384; |
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info->write_tout = 2; |
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info->buffer_write_tout = 5; |
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info->vendor = 0xFFF0; /* CFI_CMDSET_AMD_LEGACY */ |
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info->cmd_reset = 0x00F0; |
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info->interface = FLASH_CFI_X8; |
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info->legacy_unlock = 0; |
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info->manufacturer_id = (u16) ATM_MANUFACT; |
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info->device_id = ATM_ID_LV040; |
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info->device_id2 = 0; |
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info->ext_addr = 0; |
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info->cfi_version = 0x3133; |
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info->cfi_offset = 0x0000; |
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info->addr_unlock1 = 0x00000555; |
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info->addr_unlock2 = 0x000002AA; |
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info->name = "CFI conformant"; |
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info->size = 0; |
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info->sector_count = CONFIG_SYS_ATMEL_TOTALSECT; |
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info->start[0] = base; |
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for (k = 0, i = 0; i < CONFIG_SYS_ATMEL_REGION; i++) { |
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info->size += sect[i] * sectsz[i]; |
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for (j = 0; j < sect[i]; j++, k++) { |
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info->start[k + 1] = info->start[k] + sectsz[i]; |
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info->protect[k] = 0; |
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} |
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} |
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return 1; |
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} |
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#endif /* CONFIG_FLASH_CFI_LEGACY */ |
@ -0,0 +1,115 @@ |
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/*
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* Configuation settings for shmin (T-SH7706LAN) |
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* |
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* Copyright (C) 2010 Nobuhiro Iwamatsu <iwamatsu@nigauri.org> |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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#ifndef __SHMIN_H |
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#define __SHMIN_H |
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#define CONFIG_SH 1 |
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#define CONFIG_SH3 1 |
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#define CONFIG_CPU_SH7706 1 |
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#define CONFIG_SHMIN 1 |
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#define CONFIG_CMD_FLASH |
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#define CONFIG_CMD_MEMORY |
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#define CONFIG_CMD_SDRAM |
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#define CONFIG_CMD_NET |
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#define CONFIG_CMD_PING |
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#define CONFIG_CMD_NFS |
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#define CONFIG_CMD_ENV |
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#define CONFIG_CMD_SAVEENV |
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#define CONFIG_BAUDRATE 115200 |
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#define CONFIG_BOOTARGS "console=ttySC0,115200" |
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/*
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* This board has original boot loader. If you write u-boot to 0x0, |
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* you should set undef. |
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*/ |
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#define CONFIG_VERSION_VARIABLE |
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#undef CONFIG_SHOW_BOOT_PROGRESS |
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/* system */ |
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#define SHMIN_SDRAM_BASE (0x8C000000) |
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#define SHMIN_FLASH_BASE_1 (0xA0000000) |
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#define CONFIG_SYS_LONGHELP /* undef to save memory */ |
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#define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */ |
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#define CONFIG_SYS_CBSIZE 256 /* Buffer size for input from the Console */ |
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#define CONFIG_SYS_PBSIZE 256 /* Buffer size for Console output */ |
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#define CONFIG_SYS_MAXARGS 16 /* max args accepted for monitor commands */ |
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/* Buffer size for Boot Arguments passed to kernel */ |
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#define CONFIG_SYS_BARGSIZE 512 |
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/* List of legal baudrate settings for this board */ |
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#define CONFIG_SYS_BAUDRATE_TABLE { 115200 } |
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/* SCIF */ |
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#define CONFIG_SCIF_CONSOLE 1 |
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#define CONFIG_CONS_SCIF0 1 |
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/* memory */ |
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#define CONFIG_SYS_SDRAM_BASE SHMIN_SDRAM_BASE |
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#define CONFIG_SYS_SDRAM_SIZE (32 * 1024 * 1024) |
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#define CONFIG_SYS_MEMTEST_START SHMIN_SDRAM_BASE |
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#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + CONFIG_SYS_SDRAM_SIZE - (256 * 1024)) |
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#define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_SDRAM_BASE + 1 * 1024 * 1024) |
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#define CONFIG_SYS_MONITOR_BASE (SHMIN_FLASH_BASE_1 + CONFIG_ENV_SECT_SIZE) |
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#define CONFIG_SYS_MONITOR_LEN (128 * 1024) |
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#define CONFIG_SYS_MALLOC_LEN (256 * 1024) |
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#define CONFIG_SYS_GBL_DATA_SIZE 256 |
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#define CONFIG_SYS_BOOTMAPSZ (8 * 1024 * 1024) |
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/* FLASH */ |
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#define CONFIG_SYS_FLASH_CFI |
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#define CONFIG_FLASH_CFI_DRIVER |
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#undef CONFIG_SYS_FLASH_QUIET_TEST |
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#define CONFIG_SYS_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */ |
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#define CONFIG_SYS_FLASH_BASE SHMIN_FLASH_BASE_1 |
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#define CONFIG_SYS_MAX_FLASH_SECT 11 |
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#define CONFIG_SYS_MAX_FLASH_BANKS 1 |
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#define CONFIG_FLASH_CFI_LEGACY |
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#define CONFIG_SYS_ATMEL_BASE CONFIG_SYS_FLASH_BASE |
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#define CONFIG_SYS_ATMEL_TOTALSECT CONFIG_SYS_MAX_FLASH_SECT |
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#define CONFIG_SYS_ATMEL_REGION 4 |
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#define CONFIG_SYS_ATMEL_SECT {1, 2, 1, 7} |
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#define CONFIG_SYS_ATMEL_SECTSZ {0x4000, 0x2000, 0x8000, 0x10000} |
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#define CONFIG_ENV_IS_IN_FLASH |
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#define CONFIG_ENV_SECT_SIZE (64 * 1024) |
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#define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE |
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#define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN) |
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#define CONFIG_SYS_FLASH_ERASE_TOUT 120000 |
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#define CONFIG_SYS_FLASH_WRITE_TOUT 500 |
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/* Board Clock */ |
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#define CONFIG_SYS_CLK_FREQ 33333333 |
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#define CONFIG_SYS_TMU_CLK_DIV 4 |
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#define CONFIG_SYS_HZ 1000 |
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/* Network device */ |
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#define CONFIG_DRIVER_NE2000 |
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#define CONFIG_DRIVER_NE2000_BASE (0xb0000300) |
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#endif /* __SHMIN_H */ |
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