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Gwenhael Goavec-Merou7fc92c62011-04-29 05:21:39 +00001/*
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
22#include <asm/mach-types.h>
23#include <asm/mach/arch.h>
24#include <asm/mach/time.h>
25
26#include <mach/common.h>
27#include <mach/hardware.h>
28#include <mach/irqs.h>
29#include <mach/iomux-mx1.h>
30
31#include "devices-imx1.h"
32
33static 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};
45
46/*
47 * The APF9328 can have up to 32MB NOR Flash
48 */
49static struct resource flash_resource = {
50 .start = MX1_CS0_PHYS,
51 .end = MX1_CS0_PHYS + SZ_32M - 1,
52 .flags = IORESOURCE_MEM,
53};
54
55static struct physmap_flash_data apf9328_flash_data = {
56 .width = 2,
57};
58
59static struct platform_device apf9328_flash_device = {
60 .name = "physmap-flash",
61 .id = 0,
62 .dev = {
63 .platform_data = &apf9328_flash_data,
64 },
65 .resource = &flash_resource,
66 .num_resources = 1,
67};
68
69/*
70 * APF9328 has a DM9000 Ethernet controller
71 */
72static struct dm9000_plat_data dm9000_setup = {
73 .flags = DM9000_PLATF_16BITONLY
74};
75
76static struct resource dm9000_resources[] = {
77 {
78 .start = MX1_CS4_PHYS + 0x00C00000,
79 .end = MX1_CS4_PHYS + 0x00C00001,
80 .flags = IORESOURCE_MEM,
81 }, {
82 .start = MX1_CS4_PHYS + 0x00C00002,
83 .end = MX1_CS4_PHYS + 0x00C00003,
84 .flags = IORESOURCE_MEM,
85 }, {
86 .start = IRQ_GPIOB(14),
87 .end = IRQ_GPIOB(14),
88 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
89 },
90};
91
92static struct platform_device dm9000x_device = {
93 .name = "dm9000",
94 .id = 0,
95 .num_resources = ARRAY_SIZE(dm9000_resources),
96 .resource = dm9000_resources,
97 .dev = {
98 .platform_data = &dm9000_setup,
99 }
100};
101
102/* --- SERIAL RESSOURCE --- */
103static const struct imxuart_platform_data uart0_pdata __initconst = {
104 .flags = 0,
105};
106
107static const struct imxuart_platform_data uart1_pdata __initconst = {
108 .flags = IMXUART_HAVE_RTSCTS,
109};
110
111static struct platform_device *devices[] __initdata = {
112 &apf9328_flash_device,
113 &dm9000x_device,
114};
115
116static void __init apf9328_init(void)
117{
118 mxc_gpio_setup_multiple_pins(apf9328_pins,
119 ARRAY_SIZE(apf9328_pins),
120 "APF9328");
121
122 imx1_add_imx_uart0(&uart0_pdata);
123 imx1_add_imx_uart1(&uart1_pdata);
124
125 platform_add_devices(devices, ARRAY_SIZE(devices));
126}
127
128static void __init apf9328_timer_init(void)
129{
130 mx1_clocks_init(32768);
131}
132
133static struct sys_timer apf9328_timer = {
134 .init = apf9328_timer_init,
135};
136
137MACHINE_START(APF9328, "Armadeus APF9328")
138 /* Maintainer: Gwenhael Goavec-Merou, ARMadeus Systems */
139 .map_io = mx1_map_io,
140 .init_early = imx1_init_early,
141 .init_irq = mx1_init_irq,
142 .timer = &apf9328_timer,
143 .init_machine = apf9328_init,
144MACHINE_END