summaryrefslogtreecommitdiffstats
path: root/arch/arm/boards/dss11/init.c
blob: 53168acb985b28908de2aff701c7331316758f34 (plain) (blame)
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
// SPDX-License-Identifier: GPL-2.0-or-later
// SPDX-FileCopyrightText: 2011 Michael Grzeschik <mgr@pengutronix.de>

#include <common.h>
#include <net.h>
#include <mci.h>
#include <init.h>
#include <environment.h>
#include <asm/armlinux.h>
#include <generated/mach-types.h>
#include <partition.h>
#include <fs.h>
#include <fcntl.h>
#include <asm/io.h>
#include <mach/hardware.h>
#include <nand.h>
#include <linux/mtd/nand.h>
#include <mach/board.h>
#include <mach/at91sam9_smc.h>
#include <gpio.h>
#include <mach/iomux.h>
#include <mach/at91_rstc.h>
#include <linux/clk.h>

static struct atmel_nand_data nand_pdata = {
	.ale		= 21,
	.cle		= 22,
	.det_pin	= -EINVAL,
	.ecc_mode	= NAND_ECC_HW,
	.rdy_pin	= AT91_PIN_PC13,
	.enable_pin	= AT91_PIN_PC14,
	.bus_width_16	= 1,
};

static struct sam9_smc_config dss11_nand_smc_config = {
	.ncs_read_setup		= 0,
	.nrd_setup		= 1,
	.ncs_write_setup	= 0,
	.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 dss11_add_device_nand(void)
{
	/* setup bus-width (16) */
	dss11_nand_smc_config.mode |= AT91_SMC_DBW_16;

	/* configure chip-select 3 (NAND) */
	sam9_smc_configure(0, 3, &dss11_nand_smc_config);

	at91_add_device_nand(&nand_pdata);
}

static struct macb_platform_data macb_pdata = {
	.phy_addr = 0,
	.flags = AT91SAM_ETX2_ETX3_ALTERNATIVE,
};

static void dss11_phy_reset(void)
{
	at91_set_gpio_input(AT91_PIN_PA14, 0);
	at91_set_gpio_input(AT91_PIN_PA15, 0);
	at91_set_gpio_input(AT91_PIN_PA17, 0);
	at91_set_gpio_input(AT91_PIN_PA25, 0);
	at91_set_gpio_input(AT91_PIN_PA26, 0);
	at91_set_gpio_input(AT91_PIN_PA28, 0);

	at91sam_phy_reset(IOMEM(AT91SAM9260_BASE_RSTC));
}

static struct atmel_mci_platform_data dss11_mci_data = {
	.slot_b		= 1,
	.bus_width	= 4,
	.detect_pin     = -EINVAL,
	.wp_pin		= -EINVAL,
};

static struct at91_usbh_data dss11_usbh_data = {
	.ports		= 2,
	.vbus_pin	= { -EINVAL, -EINVAL },
};

static int dss11_mem_init(void)
{
	at91_add_device_sdram(64 * 1024 * 1024);

	return 0;
}
mem_initcall(dss11_mem_init);

static int dss11_devices_init(void)
{
	dss11_add_device_nand();
	dss11_phy_reset();
	at91_add_device_eth(0, &macb_pdata);
	at91_add_device_mci(0, &dss11_mci_data);
	at91_add_device_usbh_ohci(&dss11_usbh_data);

	armlinux_set_architecture(MACH_TYPE_DSS11);

	devfs_add_partition("nand0", 0x00000, 0x20000, DEVFS_PARTITION_FIXED, "bootstrap");
	dev_add_bb_dev("bootstrap", "bootstrap.bb");
	devfs_add_partition("nand0", 0x20000, 0x40000, DEVFS_PARTITION_FIXED, "barebox");
	dev_add_bb_dev("barebox", "barebox.bb");
	devfs_add_partition("nand0", 0x60000, 0x40000, DEVFS_PARTITION_FIXED, "barebox-env");
	dev_add_bb_dev("barebox-env", "env0");

	return 0;
}
device_initcall(dss11_devices_init);

static int dss11_console_init(void)
{
	barebox_set_model("Aizo dSS11");
	barebox_set_hostname("dss11");

	at91_register_uart(0, 0);
	return 0;
}
console_initcall(dss11_console_init);

static int dss11_main_clock(void)
{
	at91_set_main_clock(18432000);
	return 0;
}
pure_initcall(dss11_main_clock);