]> git.ipfire.org Git - people/ms/u-boot.git/blob - board/rsk7203/rsk7203.c
rename CFG_ macros to CONFIG_SYS
[people/ms/u-boot.git] / board / rsk7203 / rsk7203.c
1 /*
2 * Copyright (C) 2008 Nobuhiro Iwamatsu
3 * Copyright (C) 2008 Renesas Solutions Corp.
4 *
5 * u-boot/board/rsk7203/rsk7203.c
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20 * MA 02111-1307 USA
21 */
22
23 #include <common.h>
24 #include <asm/io.h>
25 #include <asm/processor.h>
26
27 int checkboard(void)
28 {
29 puts("BOARD: Renesas Technology RSK7203\n");
30 return 0;
31 }
32
33 int board_init(void)
34 {
35 return 0;
36 }
37
38 int dram_init(void)
39 {
40 DECLARE_GLOBAL_DATA_PTR;
41
42 gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
43 gd->bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
44 printf("DRAM: %dMB\n", CONFIG_SYS_SDRAM_SIZE / (1024 * 1024));
45 return 0;
46 }
47
48 void led_set_state(unsigned short value)
49 {
50 }
51
52 /*
53 * The RSK board has the SMSC9118 wired up 'incorrectly'.
54 * Byte-swapping is necessary, and so poor performance is inevitable.
55 * This problem cannot evade by the swap function of CHIP, this can
56 * evade by software Byte-swapping.
57 * And this has problem by FIFO access only. pkt_data_pull/pkt_data_push
58 * functions necessary to solve this problem.
59 */
60 u32 pkt_data_pull(u32 addr)
61 {
62 volatile u16 *addr_16 = (u16 *)addr;
63 return (u32)((swab16(*addr_16) << 16) & 0xFFFF0000)\
64 | swab16(*(addr_16 + 1));
65 }
66
67 void pkt_data_push(u32 addr, u32 val)
68 {
69 *(volatile u16 *)(addr + 2) = swab16((u16)val);
70 *(volatile u16 *)(addr) = swab16((u16)(val >> 16));
71 }