xref: /openbmc/u-boot/board/renesas/rsk7264/rsk7264.c (revision 872cfa20)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (C) 2011 Renesas Electronics Europe Ltd.
4  * Copyright (C) 2008 Renesas Solutions Corp.
5  * Copyright (C) 2008 Nobuhiro Iwamatsu
6  *
7  * Based on u-boot/board/rsk7264/rsk7203.c
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 RSK7264\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 SMSC89218 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