xref: /openbmc/u-boot/board/renesas/rsk7269/rsk7269.c (revision 23ff8633)
1 /*
2  * Copyright (C) 2012 Renesas Electronics Europe Ltd.
3  * Copyright (C) 2012 Phil Edworthy
4  * Copyright (C) 2008 Renesas Solutions Corp.
5  * Copyright (C) 2008 Nobuhiro Iwamatsu
6  *
7  * Based on u-boot/board/rsk7264/rsk7264.c
8  *
9  * SPDX-License-Identifier:	GPL-2.0+
10  */
11 
12 #include <common.h>
13 #include <net.h>
14 #include <netdev.h>
15 #include <asm/io.h>
16 #include <asm/processor.h>
17 
18 DECLARE_GLOBAL_DATA_PTR;
19 
20 int checkboard(void)
21 {
22 	puts("BOARD: Renesas RSK7269\n");
23 	return 0;
24 }
25 
26 int board_init(void)
27 {
28 	return 0;
29 }
30 
31 int dram_init(void)
32 {
33 	gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
34 	gd->bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
35 	printf("DRAM:  %dMB\n", CONFIG_SYS_SDRAM_SIZE / (1024 * 1024));
36 	return 0;
37 }
38 
39 void led_set_state(unsigned short value)
40 {
41 }
42 
43 /*
44  * The RSK board has the SMSC89218 wired up 'incorrectly'.
45  * Byte-swapping is necessary, and so poor performance is inevitable.
46  * This problem cannot evade by the swap function of CHIP, this can
47  * evade by software Byte-swapping.
48  * And this has problem by FIFO access only. pkt_data_pull/pkt_data_push
49  * functions necessary to solve this problem.
50  */
51 u32 pkt_data_pull(struct eth_device *dev, u32 addr)
52 {
53 	volatile u16 *addr_16 = (u16 *)(dev->iobase + addr);
54 	return (u32)((swab16(*addr_16) << 16) & 0xFFFF0000)\
55 				| swab16(*(addr_16 + 1));
56 }
57 
58 void pkt_data_push(struct eth_device *dev, u32 addr, u32 val)
59 {
60 	addr += dev->iobase;
61 	*(volatile u16 *)(addr + 2) = swab16((u16)val);
62 	*(volatile u16 *)(addr) = swab16((u16)(val >> 16));
63 }
64 
65 int board_eth_init(bd_t *bis)
66 {
67 	int rc = 0;
68 #ifdef CONFIG_SMC911X
69 	rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
70 #endif
71 	return rc;
72 }
73