1 /* 2 * Copyright (C) 2008 Nobuhiro Iwamatsu 3 * Copyright (C) 2008 Renesas Solutions Corp. 4 * 5 * u-boot/board/rsk7203/rsk7203.c 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License as 9 * published by the Free Software Foundation; either version 2 of 10 * the License, or (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 20 * MA 02111-1307 USA 21 */ 22 23 #include <common.h> 24 #include <netdev.h> 25 #include <asm/io.h> 26 #include <asm/processor.h> 27 28 int checkboard(void) 29 { 30 puts("BOARD: Renesas Technology RSK7203\n"); 31 return 0; 32 } 33 34 int board_init(void) 35 { 36 return 0; 37 } 38 39 int dram_init(void) 40 { 41 DECLARE_GLOBAL_DATA_PTR; 42 43 gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; 44 gd->bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE; 45 printf("DRAM: %dMB\n", CONFIG_SYS_SDRAM_SIZE / (1024 * 1024)); 46 return 0; 47 } 48 49 void led_set_state(unsigned short value) 50 { 51 } 52 53 /* 54 * The RSK board has the SMSC9118 wired up 'incorrectly'. 55 * Byte-swapping is necessary, and so poor performance is inevitable. 56 * This problem cannot evade by the swap function of CHIP, this can 57 * evade by software Byte-swapping. 58 * And this has problem by FIFO access only. pkt_data_pull/pkt_data_push 59 * functions necessary to solve this problem. 60 */ 61 u32 pkt_data_pull(struct eth_device *dev, u32 addr) 62 { 63 volatile u16 *addr_16 = (u16 *)(dev->iobase + addr); 64 return (u32)((swab16(*addr_16) << 16) & 0xFFFF0000)\ 65 | swab16(*(addr_16 + 1)); 66 } 67 68 void pkt_data_push(struct eth_device *dev, u32 addr, u32 val) 69 { 70 addr += dev->iobase; 71 *(volatile u16 *)(addr + 2) = swab16((u16)val); 72 *(volatile u16 *)(addr) = swab16((u16)(val >> 16)); 73 } 74 75 int board_eth_init(bd_t *bis) 76 { 77 int rc = 0; 78 #ifdef CONFIG_SMC911X 79 rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); 80 #endif 81 return rc; 82 } 83