diff options
author | Nobuhiro Iwamatsu <iwamatsu@nigauri.org> | 2008-10-24 10:49:48 +0900 |
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committer | Nobuhiro Iwamatsu <iwamatsu@nigauri.org> | 2008-10-31 23:04:56 +0900 |
commit | 51b572a801be57790fe26adaa530210e7fba59cc (patch) | |
tree | ee5253763c96556eeeb8b1ab5a1647848b8af85b /board/renesas/rsk7203/rsk7203.c | |
parent | 58453b00b3ebb26aaa901210023f99504a90bb00 (diff) |
sh: rsk7203: Moved rsk7203 board to board/renesas
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Diffstat (limited to 'board/renesas/rsk7203/rsk7203.c')
-rw-r--r-- | board/renesas/rsk7203/rsk7203.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/board/renesas/rsk7203/rsk7203.c b/board/renesas/rsk7203/rsk7203.c new file mode 100644 index 0000000000..2cbd45e043 --- /dev/null +++ b/board/renesas/rsk7203/rsk7203.c @@ -0,0 +1,71 @@ +/* + * Copyright (C) 2008 Nobuhiro Iwamatsu + * Copyright (C) 2008 Renesas Solutions Corp. + * + * u-boot/board/rsk7203/rsk7203.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 + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/processor.h> + +int checkboard(void) +{ + puts("BOARD: Renesas Technology RSK7203\n"); + return 0; +} + +int board_init(void) +{ + 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) +{ +} + +/* + * The RSK board has the SMSC9118 wired up 'incorrectly'. + * Byte-swapping is necessary, and so poor performance is inevitable. + * This problem cannot evade by the swap function of CHIP, this can + * evade by software Byte-swapping. + * And this has problem by FIFO access only. pkt_data_pull/pkt_data_push + * functions necessary to solve this problem. + */ +u32 pkt_data_pull(u32 addr) +{ + volatile u16 *addr_16 = (u16 *)addr; + return (u32)((swab16(*addr_16) << 16) & 0xFFFF0000)\ + | swab16(*(addr_16 + 1)); +} + +void pkt_data_push(u32 addr, u32 val) +{ + *(volatile u16 *)(addr + 2) = swab16((u16)val); + *(volatile u16 *)(addr) = swab16((u16)(val >> 16)); +} |