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/*
* 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));
}
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