xref: /openbmc/u-boot/board/renesas/rsk7264/rsk7264.c (revision ebce73f0)
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 int checkboard(void)
18 {
19 	puts("BOARD: Renesas Technology RSK7264\n");
20 	return 0;
21 }
22 
23 int board_init(void)
24 {
25 	return 0;
26 }
27 
28 void led_set_state(unsigned short value)
29 {
30 }
31 
32 /*
33  * The RSK board has the SMSC89218 wired up 'incorrectly'.
34  * Byte-swapping is necessary, and so poor performance is inevitable.
35  * This problem cannot evade by the swap function of CHIP, this can
36  * evade by software Byte-swapping.
37  * And this has problem by FIFO access only. pkt_data_pull/pkt_data_push
38  * functions necessary to solve this problem.
39  */
40 u32 pkt_data_pull(struct eth_device *dev, u32 addr)
41 {
42 	volatile u16 *addr_16 = (u16 *)(dev->iobase + addr);
43 	return (u32)((swab16(*addr_16) << 16) & 0xFFFF0000)\
44 				| swab16(*(addr_16 + 1));
45 }
46 
47 void pkt_data_push(struct eth_device *dev, u32 addr, u32 val)
48 {
49 	addr += dev->iobase;
50 	*(volatile u16 *)(addr + 2) = swab16((u16)val);
51 	*(volatile u16 *)(addr) = swab16((u16)(val >> 16));
52 }
53 
54 int board_eth_init(bd_t *bis)
55 {
56 	int rc = 0;
57 #ifdef CONFIG_SMC911X
58 	rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
59 #endif
60 	return rc;
61 }
62