xref: /OK3568_Linux_fs/u-boot/board/renesas/r0p7734/r0p7734.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (C) 2011 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
3*4882a593Smuzhiyun  * Copyright (C) 2011 Renesas Solutions Corp.
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #include <common.h>
9*4882a593Smuzhiyun #include <asm/io.h>
10*4882a593Smuzhiyun #include <asm/processor.h>
11*4882a593Smuzhiyun #include <netdev.h>
12*4882a593Smuzhiyun #include <i2c.h>
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun #define MODEMR			(0xFFCC0020)
15*4882a593Smuzhiyun #define MODEMR_MASK		(0x6)
16*4882a593Smuzhiyun #define MODEMR_533MHZ	(0x2)
17*4882a593Smuzhiyun 
checkboard(void)18*4882a593Smuzhiyun int checkboard(void)
19*4882a593Smuzhiyun {
20*4882a593Smuzhiyun 	u32 r = readl(MODEMR);
21*4882a593Smuzhiyun 	if ((r & MODEMR_MASK) & MODEMR_533MHZ)
22*4882a593Smuzhiyun 		puts("CPU Clock: 533MHz\n");
23*4882a593Smuzhiyun 	else
24*4882a593Smuzhiyun 		puts("CPU Clock: 400MHz\n");
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun 	puts("BOARD: Renesas Technology Corp. R0P7734C00000RZ\n");
27*4882a593Smuzhiyun 	return 0;
28*4882a593Smuzhiyun }
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun #define MSTPSR1			(0xFFC80044)
31*4882a593Smuzhiyun #define MSTPCR1			(0xFFC80034)
32*4882a593Smuzhiyun #define MSTPSR1_GETHER	(1 << 14)
33*4882a593Smuzhiyun 
board_init(void)34*4882a593Smuzhiyun int board_init(void)
35*4882a593Smuzhiyun {
36*4882a593Smuzhiyun #if defined(CONFIG_SH_ETHER)
37*4882a593Smuzhiyun 	u32 r = readl(MSTPSR1);
38*4882a593Smuzhiyun 	if (r & MSTPSR1_GETHER)
39*4882a593Smuzhiyun 		writel((r & ~MSTPSR1_GETHER), MSTPCR1);
40*4882a593Smuzhiyun #endif
41*4882a593Smuzhiyun 
42*4882a593Smuzhiyun 	return 0;
43*4882a593Smuzhiyun }
44*4882a593Smuzhiyun 
board_late_init(void)45*4882a593Smuzhiyun int board_late_init(void)
46*4882a593Smuzhiyun {
47*4882a593Smuzhiyun 	printf("Cannot get MAC address from I2C\n");
48*4882a593Smuzhiyun 
49*4882a593Smuzhiyun 	return 0;
50*4882a593Smuzhiyun }
51*4882a593Smuzhiyun 
52*4882a593Smuzhiyun #ifdef CONFIG_SMC911X
board_eth_init(bd_t * bis)53*4882a593Smuzhiyun int board_eth_init(bd_t *bis)
54*4882a593Smuzhiyun {
55*4882a593Smuzhiyun 	int rc = 0;
56*4882a593Smuzhiyun 	rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
57*4882a593Smuzhiyun 	return rc;
58*4882a593Smuzhiyun }
59*4882a593Smuzhiyun #endif
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