diff options
Diffstat (limited to 'u-boot/board/renesas/rsk7203/rsk7203.c')
-rw-r--r-- | u-boot/board/renesas/rsk7203/rsk7203.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/u-boot/board/renesas/rsk7203/rsk7203.c b/u-boot/board/renesas/rsk7203/rsk7203.c new file mode 100644 index 0000000..06552c0 --- /dev/null +++ b/u-boot/board/renesas/rsk7203/rsk7203.c @@ -0,0 +1,83 @@ +/* + * 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 <net.h> +#include <netdev.h> +#include <asm/io.h> +#include <asm/processor.h> + +DECLARE_GLOBAL_DATA_PTR; + +int checkboard(void) +{ + puts("BOARD: Renesas Technology RSK7203\n"); + return 0; +} + +int board_init(void) +{ + return 0; +} + +int dram_init(void) +{ + 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(struct eth_device *dev, u32 addr) +{ + volatile u16 *addr_16 = (u16 *)(dev->iobase + addr); + return (u32)((swab16(*addr_16) << 16) & 0xFFFF0000)\ + | swab16(*(addr_16 + 1)); +} + +void pkt_data_push(struct eth_device *dev, u32 addr, u32 val) +{ + addr += dev->iobase; + *(volatile u16 *)(addr + 2) = swab16((u16)val); + *(volatile u16 *)(addr) = swab16((u16)(val >> 16)); +} + +int board_eth_init(bd_t *bis) +{ + int rc = 0; +#ifdef CONFIG_SMC911X + rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); +#endif + return rc; +} |