/* * Copyright (C) 2008 Nobuhiro Iwamatsu * Copyright (C) 2008 Renesas Solutions Corp. * * u-boot/board/rsk7203/rsk7203.c * * SPDX-License-Identifier: GPL-2.0+ */ #include <common.h> #include <net.h> #include <netdev.h> #include <asm/io.h> #include <asm/processor.h> DECLARE_GLOBAL_DATA_PTR; int checkboard(void) { puts("BOARD: Renesas Technology RSK7203\n"); return 0; } int board_init(void) { return 0; } int dram_init(void) { gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; gd->bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE; printf("DRAM: %dMB\n", CONFIG_SYS_SDRAM_SIZE / (1024 * 1024)); return 0; } void led_set_state(unsigned short value) { } /* * The RSK board has the SMSC9118 wired up 'incorrectly'. * Byte-swapping is necessary, and so poor performance is inevitable. * This problem cannot evade by the swap function of CHIP, this can * evade by software Byte-swapping. * And this has problem by FIFO access only. pkt_data_pull/pkt_data_push * functions necessary to solve this problem. */ u32 pkt_data_pull(struct eth_device *dev, u32 addr) { volatile u16 *addr_16 = (u16 *)(dev->iobase + addr); return (u32)((swab16(*addr_16) << 16) & 0xFFFF0000)\ | swab16(*(addr_16 + 1)); } void pkt_data_push(struct eth_device *dev, u32 addr, u32 val) { addr += dev->iobase; *(volatile u16 *)(addr + 2) = swab16((u16)val); *(volatile u16 *)(addr) = swab16((u16)(val >> 16)); } int board_eth_init(bd_t *bis) { int rc = 0; #ifdef CONFIG_SMC911X rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); #endif return rc; }