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 DECLARE_GLOBAL_DATA_PTR; 17 18 int checkboard(void) 19 { 20 puts("BOARD: Renesas Technology RSK7203\n"); 21 return 0; 22 } 23 24 int board_init(void) 25 { 26 return 0; 27 } 28 29 int dram_init(void) 30 { 31 gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; 32 gd->bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE; 33 printf("DRAM: %dMB\n", CONFIG_SYS_SDRAM_SIZE / (1024 * 1024)); 34 return 0; 35 } 36 37 void led_set_state(unsigned short value) 38 { 39 } 40 41 /* 42 * The RSK board has the SMSC9118 wired up 'incorrectly'. 43 * Byte-swapping is necessary, and so poor performance is inevitable. 44 * This problem cannot evade by the swap function of CHIP, this can 45 * evade by software Byte-swapping. 46 * And this has problem by FIFO access only. pkt_data_pull/pkt_data_push 47 * functions necessary to solve this problem. 48 */ 49 u32 pkt_data_pull(struct eth_device *dev, u32 addr) 50 { 51 volatile u16 *addr_16 = (u16 *)(dev->iobase + addr); 52 return (u32)((swab16(*addr_16) << 16) & 0xFFFF0000)\ 53 | swab16(*(addr_16 + 1)); 54 } 55 56 void pkt_data_push(struct eth_device *dev, u32 addr, u32 val) 57 { 58 addr += dev->iobase; 59 *(volatile u16 *)(addr + 2) = swab16((u16)val); 60 *(volatile u16 *)(addr) = swab16((u16)(val >> 16)); 61 } 62 63 int board_eth_init(bd_t *bis) 64 { 65 int rc = 0; 66 #ifdef CONFIG_SMC911X 67 rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); 68 #endif 69 return rc; 70 } 71