1 /* 2 * Copyright (C) 2008 Nobuhiro Iwamatsu 3 * Copyright (C) 2008 Renesas Solutions Corp. 4 * 5 * u-boot/board/rsk7203/rsk7203.c 6 * 7 * SPDX-License-Identifier: GPL-2.0+ 8 */ 9 10 #include <common.h> 11 #include <net.h> 12 #include <netdev.h> 13 #include <asm/io.h> 14 #include <asm/processor.h> 15 16 int checkboard(void) 17 { 18 puts("BOARD: Renesas Technology RSK7203\n"); 19 return 0; 20 } 21 22 int board_init(void) 23 { 24 return 0; 25 } 26 27 void led_set_state(unsigned short value) 28 { 29 } 30 31 /* 32 * The RSK board has the SMSC9118 wired up 'incorrectly'. 33 * Byte-swapping is necessary, and so poor performance is inevitable. 34 * This problem cannot evade by the swap function of CHIP, this can 35 * evade by software Byte-swapping. 36 * And this has problem by FIFO access only. pkt_data_pull/pkt_data_push 37 * functions necessary to solve this problem. 38 */ 39 u32 pkt_data_pull(struct eth_device *dev, u32 addr) 40 { 41 volatile u16 *addr_16 = (u16 *)(dev->iobase + addr); 42 return (u32)((swab16(*addr_16) << 16) & 0xFFFF0000)\ 43 | swab16(*(addr_16 + 1)); 44 } 45 46 void pkt_data_push(struct eth_device *dev, u32 addr, u32 val) 47 { 48 addr += dev->iobase; 49 *(volatile u16 *)(addr + 2) = swab16((u16)val); 50 *(volatile u16 *)(addr) = swab16((u16)(val >> 16)); 51 } 52 53 int board_eth_init(bd_t *bis) 54 { 55 int rc = 0; 56 #ifdef CONFIG_SMC911X 57 rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); 58 #endif 59 return rc; 60 } 61