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 DECLARE_GLOBAL_DATA_PTR; 18 19 int checkboard(void) 20 { 21 puts("BOARD: Renesas Technology RSK7264\n"); 22 return 0; 23 } 24 25 int board_init(void) 26 { 27 return 0; 28 } 29 30 int dram_init(void) 31 { 32 gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; 33 gd->bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE; 34 printf("DRAM: %dMB\n", CONFIG_SYS_SDRAM_SIZE / (1024 * 1024)); 35 return 0; 36 } 37 38 void led_set_state(unsigned short value) 39 { 40 } 41 42 /* 43 * The RSK board has the SMSC89218 wired up 'incorrectly'. 44 * Byte-swapping is necessary, and so poor performance is inevitable. 45 * This problem cannot evade by the swap function of CHIP, this can 46 * evade by software Byte-swapping. 47 * And this has problem by FIFO access only. pkt_data_pull/pkt_data_push 48 * functions necessary to solve this problem. 49 */ 50 u32 pkt_data_pull(struct eth_device *dev, u32 addr) 51 { 52 volatile u16 *addr_16 = (u16 *)(dev->iobase + addr); 53 return (u32)((swab16(*addr_16) << 16) & 0xFFFF0000)\ 54 | swab16(*(addr_16 + 1)); 55 } 56 57 void pkt_data_push(struct eth_device *dev, u32 addr, u32 val) 58 { 59 addr += dev->iobase; 60 *(volatile u16 *)(addr + 2) = swab16((u16)val); 61 *(volatile u16 *)(addr) = swab16((u16)(val >> 16)); 62 } 63 64 int board_eth_init(bd_t *bis) 65 { 66 int rc = 0; 67 #ifdef CONFIG_SMC911X 68 rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); 69 #endif 70 return rc; 71 } 72