From 6b7c0f5ebf767dec8cac0463867fbbeb5493eec3 Mon Sep 17 00:00:00 2001 From: Nobuhiro Iwamatsu Date: Mon, 25 Oct 2010 03:12:24 +0900 Subject: sh: Add support shmin board 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 --- board/shmin/Makefile | 49 ++++++++++++++++++++ board/shmin/config.mk | 27 +++++++++++ board/shmin/lowlevel_init.S | 36 +++++++++++++++ board/shmin/shmin.c | 108 ++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 220 insertions(+) create mode 100644 board/shmin/Makefile create mode 100644 board/shmin/config.mk create mode 100644 board/shmin/lowlevel_init.S create mode 100644 board/shmin/shmin.c (limited to 'board/shmin') diff --git a/board/shmin/Makefile b/board/shmin/Makefile new file mode 100644 index 0000000..be04e2c --- /dev/null +++ b/board/shmin/Makefile @@ -0,0 +1,49 @@ +# +# Copyright (C) 2010 Nobuhiro Iwamatsu +# Copyright (C) 2008 Renesas Solutions Corp. +# +# u-boot/board/shmin/Makefile +# +# 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 + +include $(TOPDIR)/config.mk + +LIB = lib$(BOARD).a + +OBJS := shmin.o +SOBJS := lowlevel_init.o + +LIB := $(addprefix $(obj),$(LIB)) +OBJS := $(addprefix $(obj),$(OBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) $(SOBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/shmin/config.mk b/board/shmin/config.mk new file mode 100644 index 0000000..eca20d4 --- /dev/null +++ b/board/shmin/config.mk @@ -0,0 +1,27 @@ +# +# Copyright (C) 2010 Nobuhiro Iwamatsu +# +# u-boot/board/shmin/config.mk +# +# 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 + +# +# TEXT_BASE refers to image _after_ relocation. +# +# NOTE: Must match value used in u-boot.lds (in this directory). +# + +CONFIG_SYS_TEXT_BASE = 0x8DFC0000 diff --git a/board/shmin/lowlevel_init.S b/board/shmin/lowlevel_init.S new file mode 100644 index 0000000..b29da35 --- /dev/null +++ b/board/shmin/lowlevel_init.S @@ -0,0 +1,36 @@ +/* + * (C) Copyright 2008, 2010 Nobuhiro Iwamatsu + * + * 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 + */ + +#include +#include + +#include +#include + + + .global lowlevel_init + + .text + .align 2 + +lowlevel_init: + /* Use setting of original bootloader */ + rts + nop + .align 2 diff --git a/board/shmin/shmin.c b/board/shmin/shmin.c new file mode 100644 index 0000000..8742f10 --- /dev/null +++ b/board/shmin/shmin.c @@ -0,0 +1,108 @@ +/* + * Copyright (C) 2007 - 2010 + * Nobuhiro Iwamatsu + * (C) Copyright 2000-2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. + * + * board/shmin/shmin.c + * + * 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 + * + * Copy board_flash_get_legacy() from board/freescale/m54455evb/m54455evb.c + */ + +#include +#include +#include + +int checkboard(void) +{ + puts("BOARD: T-SH7706LAN "); + if(readb(0xb0008006) == 0xab) + puts("v2\n"); + else + puts("v1\n"); + return 0; +} + +int board_init(void) +{ + writew(0x2980, BCR2); + return 0; +} + +int dram_init(void) +{ + DECLARE_GLOBAL_DATA_PTR; + + gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; + gd->bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE; + printf("DRAM: %dMB\n", CONFIG_SYS_SDRAM_SIZE / (1024 * 1024)); + return 0; +} + +void led_set_state(unsigned short value) +{ + +} + +#if defined(CONFIG_FLASH_CFI_LEGACY) +#include +ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t *info) +{ + int sect[] = CONFIG_SYS_ATMEL_SECT; + int sectsz[] = CONFIG_SYS_ATMEL_SECTSZ; + int i, j, k; + + if (base != CONFIG_SYS_ATMEL_BASE) + return 0; + + info->flash_id = 0x01000000; + info->portwidth = 1; + info->chipwidth = 1; + info->buffer_size = 1; + info->erase_blk_tout = 16384; + info->write_tout = 2; + info->buffer_write_tout = 5; + info->vendor = 0xFFF0; /* CFI_CMDSET_AMD_LEGACY */ + info->cmd_reset = 0x00F0; + info->interface = FLASH_CFI_X8; + info->legacy_unlock = 0; + info->manufacturer_id = (u16) ATM_MANUFACT; + info->device_id = ATM_ID_LV040; + info->device_id2 = 0; + info->ext_addr = 0; + info->cfi_version = 0x3133; + info->cfi_offset = 0x0000; + info->addr_unlock1 = 0x00000555; + info->addr_unlock2 = 0x000002AA; + info->name = "CFI conformant"; + info->size = 0; + info->sector_count = CONFIG_SYS_ATMEL_TOTALSECT; + info->start[0] = base; + + for (k = 0, i = 0; i < CONFIG_SYS_ATMEL_REGION; i++) { + info->size += sect[i] * sectsz[i]; + for (j = 0; j < sect[i]; j++, k++) { + info->start[k + 1] = info->start[k] + sectsz[i]; + info->protect[k] = 0; + } + } + + return 1; +} +#endif /* CONFIG_FLASH_CFI_LEGACY */ -- cgit v1.1