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24205632 | 1 | /* |
95c00464 | 2 | * linux/arch/arm/mach-mx1/mach-scb9328.c |
24205632 SH |
3 | * |
4 | * Copyright (c) 2004 Sascha Hauer <saschahauer@web.de> | |
5 | * Copyright (c) 2006-2008 Juergen Beisert <jbeisert@netscape.net> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | * | |
11 | */ | |
12 | ||
13 | #include <linux/platform_device.h> | |
14 | #include <linux/mtd/physmap.h> | |
15 | #include <linux/interrupt.h> | |
16 | #include <linux/dm9000.h> | |
17 | ||
18 | #include <asm/mach-types.h> | |
19 | #include <asm/mach/arch.h> | |
20 | #include <asm/mach/time.h> | |
21 | ||
22 | #include <mach/common.h> | |
23 | #include <mach/hardware.h> | |
24 | #include <mach/irqs.h> | |
e835d88e | 25 | #include <mach/iomux-mx1.h> |
24205632 | 26 | |
d112f4e4 | 27 | #include "devices-imx1.h" |
24205632 SH |
28 | #include "devices.h" |
29 | ||
30 | /* | |
31 | * This scb9328 has a 32MiB flash | |
32 | */ | |
33 | static struct resource flash_resource = { | |
05a3185c UKK |
34 | .start = MX1_CS0_PHYS, |
35 | .end = MX1_CS0_PHYS + (32 * 1024 * 1024) - 1, | |
24205632 SH |
36 | .flags = IORESOURCE_MEM, |
37 | }; | |
38 | ||
39 | static struct physmap_flash_data scb_flash_data = { | |
40 | .width = 2, | |
41 | }; | |
42 | ||
43 | static struct platform_device scb_flash_device = { | |
44 | .name = "physmap-flash", | |
45 | .id = 0, | |
46 | .dev = { | |
47 | .platform_data = &scb_flash_data, | |
48 | }, | |
49 | .resource = &flash_resource, | |
50 | .num_resources = 1, | |
51 | }; | |
52 | ||
53 | /* | |
54 | * scb9328 has a DM9000 network controller | |
55 | * connected to CS5, with 16 bit data path | |
56 | * and interrupt connected to GPIO 3 | |
57 | */ | |
58 | ||
59 | /* | |
60 | * internal datapath is fixed 16 bit | |
61 | */ | |
62 | static struct dm9000_plat_data dm9000_platdata = { | |
63 | .flags = DM9000_PLATF_16BITONLY, | |
64 | }; | |
65 | ||
66 | /* | |
67 | * the DM9000 drivers wants two defined address spaces | |
68 | * to gain access to address latch registers and the data path. | |
69 | */ | |
70 | static struct resource dm9000x_resources[] = { | |
9b0e6db0 | 71 | { |
24205632 | 72 | .name = "address area", |
05a3185c UKK |
73 | .start = MX1_CS5_PHYS, |
74 | .end = MX1_CS5_PHYS + 1, | |
9b0e6db0 SH |
75 | .flags = IORESOURCE_MEM, /* address access */ |
76 | }, { | |
24205632 | 77 | .name = "data area", |
05a3185c UKK |
78 | .start = MX1_CS5_PHYS + 4, |
79 | .end = MX1_CS5_PHYS + 5, | |
9b0e6db0 SH |
80 | .flags = IORESOURCE_MEM, /* data access */ |
81 | }, { | |
24205632 SH |
82 | .start = IRQ_GPIOC(3), |
83 | .end = IRQ_GPIOC(3), | |
9b0e6db0 | 84 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, |
24205632 SH |
85 | }, |
86 | }; | |
87 | ||
88 | static struct platform_device dm9000x_device = { | |
89 | .name = "dm9000", | |
90 | .id = 0, | |
91 | .num_resources = ARRAY_SIZE(dm9000x_resources), | |
92 | .resource = dm9000x_resources, | |
93 | .dev = { | |
94 | .platform_data = &dm9000_platdata, | |
95 | } | |
96 | }; | |
97 | ||
98 | static int mxc_uart1_pins[] = { | |
99 | PC9_PF_UART1_CTS, | |
100 | PC10_PF_UART1_RTS, | |
101 | PC11_PF_UART1_TXD, | |
102 | PC12_PF_UART1_RXD, | |
103 | }; | |
104 | ||
105 | static int uart1_mxc_init(struct platform_device *pdev) | |
106 | { | |
107 | return mxc_gpio_setup_multiple_pins(mxc_uart1_pins, | |
108 | ARRAY_SIZE(mxc_uart1_pins), "UART1"); | |
109 | } | |
110 | ||
a02b0420 | 111 | static void uart1_mxc_exit(struct platform_device *pdev) |
24205632 SH |
112 | { |
113 | mxc_gpio_release_multiple_pins(mxc_uart1_pins, | |
114 | ARRAY_SIZE(mxc_uart1_pins)); | |
24205632 SH |
115 | } |
116 | ||
d112f4e4 | 117 | static const struct imxuart_platform_data uart_pdata __initconst = { |
24205632 SH |
118 | .init = uart1_mxc_init, |
119 | .exit = uart1_mxc_exit, | |
120 | .flags = IMXUART_HAVE_RTSCTS, | |
121 | }; | |
122 | ||
123 | static struct platform_device *devices[] __initdata = { | |
124 | &scb_flash_device, | |
125 | &dm9000x_device, | |
126 | }; | |
127 | ||
128 | /* | |
129 | * scb9328_init - Init the CPU card itself | |
130 | */ | |
131 | static void __init scb9328_init(void) | |
132 | { | |
d112f4e4 | 133 | imx1_add_imx_uart0(&uart_pdata); |
24205632 SH |
134 | |
135 | printk(KERN_INFO"Scb9328: Adding devices\n"); | |
136 | platform_add_devices(devices, ARRAY_SIZE(devices)); | |
137 | } | |
138 | ||
139 | static void __init scb9328_timer_init(void) | |
140 | { | |
141 | mx1_clocks_init(32000); | |
142 | } | |
143 | ||
144 | static struct sys_timer scb9328_timer = { | |
145 | .init = scb9328_timer_init, | |
146 | }; | |
147 | ||
148 | MACHINE_START(SCB9328, "Synertronixx scb9328") | |
149 | /* Sascha Hauer */ | |
150 | .phys_io = 0x00200000, | |
151 | .io_pg_offst = ((0xe0200000) >> 18) & 0xfffc, | |
152 | .boot_params = 0x08000100, | |
cd4a05f9 | 153 | .map_io = mx1_map_io, |
c5aa0ad0 | 154 | .init_irq = mx1_init_irq, |
24205632 SH |
155 | .timer = &scb9328_timer, |
156 | .init_machine = scb9328_init, | |
157 | MACHINE_END |