summaryrefslogtreecommitdiffstats
path: root/board/eukrea_cpuimx27/eukrea_cpuimx27.c
blob: 49c2f733af9f3f53d504591ef40ec82026d8b535 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
/*
 * Copyright (C) 2009 Eric Benard, Eukrea Electromatique
 * Based on pcm038.c which is :
 * Copyright (C) 2007 Sascha Hauer, Pengutronix 
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 *
 */

#include <common.h>
#include <net.h>
#include <cfi_flash.h>
#include <init.h>
#include <environment.h>
#include <asm/arch/imx-regs.h>
#include <fec.h>
#include <notifier.h>
#include <asm/arch/gpio.h>
#include <asm/armlinux.h>
#include <asm/mach-types.h>
#include <asm/arch/pmic.h>
#include <partition.h>
#include <fs.h>
#include <fcntl.h>
#include <nand.h>
#include <command.h>
#include <asm/io.h>
#include <asm/arch/imx-nand.h>
#include <asm/arch/imx-pll.h>

static struct device_d cfi_dev = {
	.name     = "cfi_flash",
	.id       = "nor0",

	.map_base = 0xC0000000,
	.size     = 64 * 1024 * 1024,
};

static struct device_d sdram_dev = {
	.name     = "ram",
	.id       = "ram0",

	.map_base = 0xa0000000,
	.size     = 128 * 1024 * 1024,

	.type     = DEVICE_TYPE_DRAM,
};

static struct fec_platform_data fec_info = {
	.xcv_type = MII100,
	.phy_addr = 1,
};

static struct device_d fec_dev = {
	.name     = "fec_imx",
	.id       = "eth0",
	.map_base = 0x1002b000,
	.platform_data	= &fec_info,
	.type     = DEVICE_TYPE_ETHER,
};

struct imx_nand_platform_data nand_info = {
	.width = 1,
	.hw_ecc = 1,
};

static struct device_d nand_dev = {
	.name     = "imx_nand",
	.map_base = 0xd8000000,
	.platform_data	= &nand_info,
};

static int eukrea_cpuimx27_devices_init(void)
{
	char *envdev = "no";
	int i;

	unsigned int mode[] = {
		PD0_AIN_FEC_TXD0,
		PD1_AIN_FEC_TXD1,
		PD2_AIN_FEC_TXD2,
		PD3_AIN_FEC_TXD3,
		PD4_AOUT_FEC_RX_ER,
		PD5_AOUT_FEC_RXD1,
		PD6_AOUT_FEC_RXD2,
		PD7_AOUT_FEC_RXD3,
		PD8_AF_FEC_MDIO,
		PD9_AIN_FEC_MDC | GPIO_PUEN,
		PD10_AOUT_FEC_CRS,
		PD11_AOUT_FEC_TX_CLK,
		PD12_AOUT_FEC_RXD0,
		PD13_AOUT_FEC_RX_DV,
		PD14_AOUT_FEC_CLR,
		PD15_AOUT_FEC_COL,
		PD16_AIN_FEC_TX_ER,
		PF23_AIN_FEC_TX_EN,
		PE12_PF_UART1_TXD,
		PE13_PF_UART1_RXD,
		PE14_PF_UART1_CTS,
		PE15_PF_UART1_RTS,
	};

	/* configure 16 bit nor flash on cs0 */
	CS0U = 0x0000CC03;
	CS0L = 0xa0330D01;
	CS0A = 0x00220800;

	/* configure 8 bit UART on cs3 */
	FMCR &= ~0x2;
	CS3U = 0x0000DCF6;
	CS3L = 0x444A4541;
	CS3A = 0x44443302;

	/* initizalize gpios */
	for (i = 0; i < ARRAY_SIZE(mode); i++)
		imx_gpio_mode(mode[i]);

	register_device(&cfi_dev);
	register_device(&nand_dev);
	register_device(&sdram_dev);

	dev_add_partition(&cfi_dev, 0x00000, 0x40000, PARTITION_FIXED, "self");
	dev_add_partition(&cfi_dev, 0x40000, 0x20000, PARTITION_FIXED, "env");
	dev_protect(&cfi_dev, 0x40000, 0, 1);
	envdev = "NOR";

	printf("Using environment in %s Flash\n", envdev);

	armlinux_set_bootparams((void *)0xa0000100);
	armlinux_set_architecture(MACH_TYPE_CPUIMX27);

	return 0;
}

device_initcall(eukrea_cpuimx27_devices_init);

static struct device_d eukrea_cpuimx27_serial_device = {
	.name     = "imx_serial",
	.id       = "cs0",
	.map_base = IMX_UART1_BASE,
	.size     = 4096,
	.type     = DEVICE_TYPE_CONSOLE,
};

static int eukrea_cpuimx27_console_init(void)
{
	register_device(&eukrea_cpuimx27_serial_device);

	return 0;
}

console_initcall(eukrea_cpuimx27_console_init);

static int eukrea_cpuimx27_late_init(void)
{
	console_flush();
	register_device(&fec_dev);

	return 0;
}

late_initcall(eukrea_cpuimx27_late_init);

#ifdef CONFIG_NAND_IMX_BOOT
void __bare_init nand_boot(void)
{
	int pagesize = 512;

	switch ((GPCR & GPCR_BOOT_MASK) >> GPCR_BOOT_SHIFT) {
	case GPCR_BOOT_8BIT_NAND_2k:
	case GPCR_BOOT_16BIT_NAND_2k:
		pagesize = 2048;
	}

	imx_nand_load_image((void *)TEXT_BASE, 256 * 1024, pagesize, 16384);
}
#endif