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/i2c.h>
22
23 #include <asm/mach-types.h>
24 #include <asm/mach/arch.h>
25 #include <asm/mach/time.h>
26
27 #include <mach/common.h>
28 #include <mach/hardware.h>
29 #include <mach/irqs.h>
30 #include <mach/iomux-mx1.h>
31
32 #include "devices-imx1.h"
33
34 static const int apf9328_pins[] __initconst = {
35 /* UART1 */
36 PC9_PF_UART1_CTS,
37 PC10_PF_UART1_RTS,
38 PC11_PF_UART1_TXD,
39 PC12_PF_UART1_RXD,
40 /* UART2 */
41 PB28_PF_UART2_CTS,
42 PB29_PF_UART2_RTS,
43 PB30_PF_UART2_TXD,
44 PB31_PF_UART2_RXD,
45 /* I2C */
46 PA15_PF_I2C_SDA,
47 PA16_PF_I2C_SCL,
48 };
49
50 /*
51 * The APF9328 can have up to 32MB NOR Flash
52 */
53 static struct resource flash_resource = {
54 .start = MX1_CS0_PHYS,
55 .end = MX1_CS0_PHYS + SZ_32M - 1,
56 .flags = IORESOURCE_MEM,
57 };
58
59 static struct physmap_flash_data apf9328_flash_data = {
60 .width = 2,
61 };
62
63 static struct platform_device apf9328_flash_device = {
64 .name = "physmap-flash",
65 .id = 0,
66 .dev = {
67 .platform_data = &apf9328_flash_data,
68 },
69 .resource = &flash_resource,
70 .num_resources = 1,
71 };
72
73 /*
74 * APF9328 has a DM9000 Ethernet controller
75 */
76 static struct dm9000_plat_data dm9000_setup = {
77 .flags = DM9000_PLATF_16BITONLY
78 };
79
80 static struct resource dm9000_resources[] = {
81 {
82 .start = MX1_CS4_PHYS + 0x00C00000,
83 .end = MX1_CS4_PHYS + 0x00C00001,
84 .flags = IORESOURCE_MEM,
85 }, {
86 .start = MX1_CS4_PHYS + 0x00C00002,
87 .end = MX1_CS4_PHYS + 0x00C00003,
88 .flags = IORESOURCE_MEM,
89 }, {
90 .start = IRQ_GPIOB(14),
91 .end = IRQ_GPIOB(14),
92 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
93 },
94 };
95
96 static struct platform_device dm9000x_device = {
97 .name = "dm9000",
98 .id = 0,
99 .num_resources = ARRAY_SIZE(dm9000_resources),
100 .resource = dm9000_resources,
101 .dev = {
102 .platform_data = &dm9000_setup,
103 }
104 };
105
106 static const struct imxuart_platform_data uart1_pdata __initconst = {
107 .flags = IMXUART_HAVE_RTSCTS,
108 };
109
110 static const struct imxi2c_platform_data apf9328_i2c_data __initconst = {
111 .bitrate = 100000,
112 };
113
114 static struct platform_device *devices[] __initdata = {
115 &apf9328_flash_device,
116 &dm9000x_device,
117 };
118
apf9328_init(void)119 static void __init apf9328_init(void)
120 {
121 imx1_soc_init();
122
123 mxc_gpio_setup_multiple_pins(apf9328_pins,
124 ARRAY_SIZE(apf9328_pins),
125 "APF9328");
126
127 imx1_add_imx_uart0(NULL);
128 imx1_add_imx_uart1(&uart1_pdata);
129
130 imx1_add_imx_i2c(&apf9328_i2c_data);
131
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 static struct sys_timer apf9328_timer = {
141 .init = apf9328_timer_init,
142 };
143
144 MACHINE_START(APF9328, "Armadeus APF9328")
145 /* Maintainer: Gwenhael Goavec-Merou, ARMadeus Systems */
146 .map_io = mx1_map_io,
147 .init_early = imx1_init_early,
148 .init_irq = mx1_init_irq,
149 .handle_irq = imx1_handle_irq,
150 .timer = &apf9328_timer,
151 .init_machine = apf9328_init,
152 .restart = mxc_restart,
153 MACHINE_END
154