diff options
Diffstat (limited to 'arch/arm/mach-pxa/gumstix.c')
-rw-r--r-- | arch/arm/mach-pxa/gumstix.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/gumstix.c b/arch/arm/mach-pxa/gumstix.c new file mode 100644 index 000000000000..f01d18544133 --- /dev/null +++ b/arch/arm/mach-pxa/gumstix.c | |||
@@ -0,0 +1,147 @@ | |||
1 | /* | ||
2 | * linux/arch/arm/mach-pxa/gumstix.c | ||
3 | * | ||
4 | * Support for the Gumstix motherboards. | ||
5 | * | ||
6 | * Original Author: Craig Hughes | ||
7 | * Created: Feb 14, 2008 | ||
8 | * Copyright: Craig Hughes | ||
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 | * Implemented based on lubbock.c by Nicolas Pitre and code from Craig | ||
15 | * Hughes | ||
16 | */ | ||
17 | |||
18 | #include <linux/module.h> | ||
19 | #include <linux/kernel.h> | ||
20 | #include <linux/init.h> | ||
21 | #include <linux/platform_device.h> | ||
22 | #include <linux/interrupt.h> | ||
23 | #include <linux/mtd/mtd.h> | ||
24 | #include <linux/mtd/partitions.h> | ||
25 | |||
26 | #include <asm/setup.h> | ||
27 | #include <asm/memory.h> | ||
28 | #include <asm/mach-types.h> | ||
29 | #include <asm/hardware.h> | ||
30 | #include <asm/irq.h> | ||
31 | #include <asm/sizes.h> | ||
32 | |||
33 | #include <asm/mach/arch.h> | ||
34 | #include <asm/mach/map.h> | ||
35 | #include <asm/mach/irq.h> | ||
36 | #include <asm/mach/flash.h> | ||
37 | #include <asm/arch/mmc.h> | ||
38 | #include <asm/arch/udc.h> | ||
39 | #include <asm/arch/gumstix.h> | ||
40 | |||
41 | #include <asm/arch/pxa-regs.h> | ||
42 | #include <asm/arch/pxa2xx-regs.h> | ||
43 | |||
44 | #include "generic.h" | ||
45 | |||
46 | static struct resource flash_resource = { | ||
47 | .start = 0x00000000, | ||
48 | .end = SZ_64M - 1, | ||
49 | .flags = IORESOURCE_MEM, | ||
50 | }; | ||
51 | |||
52 | static struct mtd_partition gumstix_partitions[] = { | ||
53 | { | ||
54 | .name = "Bootloader", | ||
55 | .size = 0x00040000, | ||
56 | .offset = 0, | ||
57 | .mask_flags = MTD_WRITEABLE /* force read-only */ | ||
58 | } , { | ||
59 | .name = "rootfs", | ||
60 | .size = MTDPART_SIZ_FULL, | ||
61 | .offset = MTDPART_OFS_APPEND | ||
62 | } | ||
63 | }; | ||
64 | |||
65 | static struct flash_platform_data gumstix_flash_data = { | ||
66 | .map_name = "cfi_probe", | ||
67 | .parts = gumstix_partitions, | ||
68 | .nr_parts = ARRAY_SIZE(gumstix_partitions), | ||
69 | .width = 2, | ||
70 | }; | ||
71 | |||
72 | static struct platform_device gumstix_flash_device = { | ||
73 | .name = "pxa2xx-flash", | ||
74 | .id = 0, | ||
75 | .dev = { | ||
76 | .platform_data = &gumstix_flash_data, | ||
77 | }, | ||
78 | .resource = &flash_resource, | ||
79 | .num_resources = 1, | ||
80 | }; | ||
81 | |||
82 | static struct platform_device *devices[] __initdata = { | ||
83 | &gumstix_flash_device, | ||
84 | }; | ||
85 | |||
86 | #ifdef CONFIG_MMC_PXA | ||
87 | static struct pxamci_platform_data gumstix_mci_platform_data; | ||
88 | |||
89 | static int gumstix_mci_init(struct device *dev, irq_handler_t detect_int, | ||
90 | void *data) | ||
91 | { | ||
92 | pxa_gpio_mode(GPIO6_MMCCLK_MD); | ||
93 | pxa_gpio_mode(GPIO53_MMCCLK_MD); | ||
94 | pxa_gpio_mode(GPIO8_MMCCS0_MD); | ||
95 | |||
96 | return 0; | ||
97 | } | ||
98 | |||
99 | static struct pxamci_platform_data gumstix_mci_platform_data = { | ||
100 | .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, | ||
101 | .init = gumstix_mci_init, | ||
102 | }; | ||
103 | |||
104 | static void __init gumstix_mmc_init(void) | ||
105 | { | ||
106 | pxa_set_mci_info(&gumstix_mci_platform_data); | ||
107 | } | ||
108 | #else | ||
109 | static void __init gumstix_mmc_init(void) | ||
110 | { | ||
111 | printk(KERN_INFO "Gumstix mmc disabled\n"); | ||
112 | } | ||
113 | #endif | ||
114 | |||
115 | #ifdef CONFIG_USB_GADGET_PXA2XX | ||
116 | static struct pxa2xx_udc_mach_info gumstix_udc_info __initdata = { | ||
117 | .gpio_vbus = GPIO_GUMSTIX_USB_GPIOn, | ||
118 | .gpio_pullup = GPIO_GUMSTIX_USB_GPIOx, | ||
119 | }; | ||
120 | |||
121 | static void __init gumstix_udc_init(void) | ||
122 | { | ||
123 | pxa_set_udc_info(&gumstix_udc_info); | ||
124 | } | ||
125 | #else | ||
126 | static void gumstix_udc_init(void) | ||
127 | { | ||
128 | printk(KERN_INFO "Gumstix udc is disabled\n"); | ||
129 | } | ||
130 | #endif | ||
131 | |||
132 | static void __init gumstix_init(void) | ||
133 | { | ||
134 | gumstix_udc_init(); | ||
135 | gumstix_mmc_init(); | ||
136 | (void) platform_add_devices(devices, ARRAY_SIZE(devices)); | ||
137 | } | ||
138 | |||
139 | MACHINE_START(GUMSTIX, "Gumstix") | ||
140 | .phys_io = 0x40000000, | ||
141 | .boot_params = 0xa0000100, /* match u-boot bi_boot_params */ | ||
142 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, | ||
143 | .map_io = pxa_map_io, | ||
144 | .init_irq = pxa25x_init_irq, | ||
145 | .timer = &pxa_timer, | ||
146 | .init_machine = gumstix_init, | ||
147 | MACHINE_END | ||