summaryrefslogtreecommitdiffstats
path: root/arch/arm/boards/pm9263/init.c
blob: d5ed921ff66fb8f6e45ccabd87f4ffd7582307f9 (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
/*
 * 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 <init.h>
#include <environment.h>
#include <fec.h>
#include <asm/armlinux.h>
#include <asm/mach-types.h>
#include <partition.h>
#include <fs.h>
#include <fcntl.h>
#include <asm/io.h>
#include <asm/hardware.h>
#include <nand.h>
#include <linux/mtd/nand.h>
#include <mach/at91_pmc.h>
#include <mach/board.h>
#include <mach/gpio.h>
#include <mach/io.h>
#include <mach/at91sam9_smc.h>
#include <mach/sam9_smc.h>

static struct atmel_nand_data nand_pdata = {
	.ale		= 21,
	.cle		= 22,
/*	.det_pin	= ... not connected */
	.ecc_base	= (void __iomem *)(AT91_BASE_SYS + AT91_ECC0),
	.ecc_mode	= NAND_ECC_HW,
	.rdy_pin	= AT91_PIN_PB30,
	.enable_pin	= AT91_PIN_PD15,
#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
	.bus_width_16	= 1,
#else
	.bus_width_16	= 0,
#endif
};

static struct sam9_smc_config pm_nand_smc_config = {
	.ncs_read_setup		= 1,
	.nrd_setup		= 1,
	.ncs_write_setup	= 1,
	.nwe_setup		= 1,

	.ncs_read_pulse		= 3,
	.nrd_pulse		= 3,
	.ncs_write_pulse	= 3,
	.nwe_pulse		= 3,

	.read_cycle		= 5,
	.write_cycle		= 5,

	.mode			= AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
	.tdf_cycles		= 2,
};

static void pm_add_device_nand(void)
{
	/* setup bus-width (8 or 16) */
	if (nand_pdata.bus_width_16)
		pm_nand_smc_config.mode |= AT91_SMC_DBW_16;
	else
		pm_nand_smc_config.mode |= AT91_SMC_DBW_8;

	/* configure chip-select 3 (NAND) */
	sam9_smc_configure(3, &pm_nand_smc_config);

	at91_add_device_nand(&nand_pdata);
}

static struct device_d cfi_dev = {
	.name     = "cfi_flash",
	.map_base = AT91_CHIPSELECT_0,
	.size     = 4 * 1024 * 1024,
};

static struct at91_ether_platform_data macb_pdata = {
	.flags = AT91SAM_ETHER_RMII,
	.phy_addr = 0,
};

static int pm9263_devices_init(void)
{
	/*
	 * PB27 enables the 50MHz oscillator for Ethernet PHY
	 * 1 - enable
	 * 0 - disable
	 */
	at91_set_gpio_output(AT91_PIN_PB27, 1);
	at91_set_gpio_value(AT91_PIN_PB27, 1); /* 1- enable, 0 - disable */

	at91_add_device_sdram(64 * 1024 * 1024);
	pm_add_device_nand();
	at91_add_device_eth(&macb_pdata);
	register_device(&cfi_dev);

	devfs_add_partition("nor0", 0x00000, 0x40000, PARTITION_FIXED, "self0");
	devfs_add_partition("nor0", 0x40000, 0x10000, PARTITION_FIXED, "env0");

	armlinux_set_bootparams((void *)(AT91_CHIPSELECT_1 + 0x100));
	armlinux_set_architecture(MACH_TYPE_PM9263);

	return 0;
}

device_initcall(pm9263_devices_init);

static int pm9263_console_init(void)
{
	at91_register_uart(0, 0);
	return 0;
}

console_initcall(pm9263_console_init);