1 /* 2 * Copyright (C) 2011 Renesas Electronics Europe Ltd. 3 * Copyright (C) 2008 Renesas Solutions Corp. 4 * Copyright (C) 2008 Nobuhiro Iwamatsu 5 * 6 * Based on u-boot/board/rsk7264/rsk7203.c 7 * 8 * SPDX-License-Identifier: GPL-2.0+ 9 */ 10 11 #include <common.h> 12 #include <net.h> 13 #include <netdev.h> 14 #include <asm/io.h> 15 #include <asm/processor.h> 16 17 int checkboard(void) 18 { 19 puts("BOARD: Renesas Technology RSK7264\n"); 20 return 0; 21 } 22 23 int board_init(void) 24 { 25 return 0; 26 } 27 28 void led_set_state(unsigned short value) 29 { 30 } 31 32 /* 33 * The RSK board has the SMSC89218 wired up 'incorrectly'. 34 * Byte-swapping is necessary, and so poor performance is inevitable. 35 * This problem cannot evade by the swap function of CHIP, this can 36 * evade by software Byte-swapping. 37 * And this has problem by FIFO access only. pkt_data_pull/pkt_data_push 38 * functions necessary to solve this problem. 39 */ 40 u32 pkt_data_pull(struct eth_device *dev, u32 addr) 41 { 42 volatile u16 *addr_16 = (u16 *)(dev->iobase + addr); 43 return (u32)((swab16(*addr_16) << 16) & 0xFFFF0000)\ 44 | swab16(*(addr_16 + 1)); 45 } 46 47 void pkt_data_push(struct eth_device *dev, u32 addr, u32 val) 48 { 49 addr += dev->iobase; 50 *(volatile u16 *)(addr + 2) = swab16((u16)val); 51 *(volatile u16 *)(addr) = swab16((u16)(val >> 16)); 52 } 53 54 int board_eth_init(bd_t *bis) 55 { 56 int rc = 0; 57 #ifdef CONFIG_SMC911X 58 rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); 59 #endif 60 return rc; 61 } 62