1 /*
2 * linux/arch/arm/mach-imx/mach-apf9328.c
3 *
4 * Copyright (c) 2005-2011 ARMadeus systems <support@armadeus.com>
5 *
6 * This work is based on mach-scb9328.c which is:
7 * Copyright (c) 2004 Sascha Hauer <saschahauer@web.de>
8 * Copyright (c) 2006-2008 Juergen Beisert <jbeisert@netscape.net>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 *
14 */
15
16 #include <linux/init.h>
17 #include <linux/kernel.h>
18 #include <linux/platform_device.h>
19 #include <linux/mtd/physmap.h>
20 #include <linux/dm9000.h>
21 #include <linux/gpio.h>
22 #include <linux/i2c.h>
23
24 #include <asm/mach-types.h>
25 #include <asm/mach/arch.h>
26 #include <asm/mach/time.h>
27
28 #include "common.h"
29 #include "devices-imx1.h"
30 #include "hardware.h"
31 #include "iomux-mx1.h"
32
33 static const int apf9328_pins[] __initconst = {
34 /* UART1 */
35 PC9_PF_UART1_CTS,
36 PC10_PF_UART1_RTS,
37 PC11_PF_UART1_TXD,
38 PC12_PF_UART1_RXD,
39 /* UART2 */
40 PB28_PF_UART2_CTS,
41 PB29_PF_UART2_RTS,
42 PB30_PF_UART2_TXD,
43 PB31_PF_UART2_RXD,
44 /* I2C */
45 PA15_PF_I2C_SDA,
46 PA16_PF_I2C_SCL,
47 };
48
49 /*
50 * The APF9328 can have up to 32MB NOR Flash
51 */
52 static struct resource flash_resource = {
53 .start = MX1_CS0_PHYS,
54 .end = MX1_CS0_PHYS + SZ_32M - 1,
55 .flags = IORESOURCE_MEM,
56 };
57
58 static struct physmap_flash_data apf9328_flash_data = {
59 .width = 2,
60 };
61
62 static struct platform_device apf9328_flash_device = {
63 .name = "physmap-flash",
64 .id = 0,
65 .dev = {
66 .platform_data = &apf9328_flash_data,
67 },
68 .resource = &flash_resource,
69 .num_resources = 1,
70 };
71
72 /*
73 * APF9328 has a DM9000 Ethernet controller
74 */
75 static struct dm9000_plat_data dm9000_setup = {
76 .flags = DM9000_PLATF_16BITONLY
77 };
78
79 static struct resource dm9000_resources[] = {
80 {
81 .start = MX1_CS4_PHYS + 0x00C00000,
82 .end = MX1_CS4_PHYS + 0x00C00001,
83 .flags = IORESOURCE_MEM,
84 }, {
85 .start = MX1_CS4_PHYS + 0x00C00002,
86 .end = MX1_CS4_PHYS + 0x00C00003,
87 .flags = IORESOURCE_MEM,
88 }, {
89 /* irq number is run-time assigned */
90 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
91 },
92 };
93
94 static struct platform_device dm9000x_device = {
95 .name = "dm9000",
96 .id = 0,
97 .num_resources = ARRAY_SIZE(dm9000_resources),
98 .resource = dm9000_resources,
99 .dev = {
100 .platform_data = &dm9000_setup,
101 }
102 };
103
104 static const struct imxuart_platform_data uart1_pdata __initconst = {
105 .flags = IMXUART_HAVE_RTSCTS,
106 };
107
108 static const struct imxi2c_platform_data apf9328_i2c_data __initconst = {
109 .bitrate = 100000,
110 };
111
112 static struct platform_device *devices[] __initdata = {
113 &apf9328_flash_device,
114 &dm9000x_device,
115 };
116
apf9328_init(void)117 static void __init apf9328_init(void)
118 {
119 imx1_soc_init();
120
121 mxc_gpio_setup_multiple_pins(apf9328_pins,
122 ARRAY_SIZE(apf9328_pins),
123 "APF9328");
124
125 imx1_add_imx_uart0(NULL);
126 imx1_add_imx_uart1(&uart1_pdata);
127
128 imx1_add_imx_i2c(&apf9328_i2c_data);
129
130 dm9000_resources[2].start = gpio_to_irq(IMX_GPIO_NR(2, 14));
131 dm9000_resources[2].end = gpio_to_irq(IMX_GPIO_NR(2, 14));
132 platform_add_devices(devices, ARRAY_SIZE(devices));
133 }
134
apf9328_timer_init(void)135 static void __init apf9328_timer_init(void)
136 {
137 mx1_clocks_init(32768);
138 }
139
140 MACHINE_START(APF9328, "Armadeus APF9328")
141 /* Maintainer: Gwenhael Goavec-Merou, ARMadeus Systems */
142 .map_io = mx1_map_io,
143 .init_early = imx1_init_early,
144 .init_irq = mx1_init_irq,
145 .init_time = apf9328_timer_init,
146 .init_machine = apf9328_init,
147 .restart = mxc_restart,
148 MACHINE_END
149