diff options
Diffstat (limited to 'arch/arm/mach-stmp378x/stmp378x_devb.c')
-rw-r--r-- | arch/arm/mach-stmp378x/stmp378x_devb.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/arch/arm/mach-stmp378x/stmp378x_devb.c b/arch/arm/mach-stmp378x/stmp378x_devb.c new file mode 100644 index 000000000000..bc643f686b11 --- /dev/null +++ b/arch/arm/mach-stmp378x/stmp378x_devb.c | |||
@@ -0,0 +1,80 @@ | |||
1 | /* | ||
2 | * Freescale STMP378X development board support | ||
3 | * | ||
4 | * Embedded Alley Solutions, Inc <source@embeddedalley.com> | ||
5 | * | ||
6 | * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. | ||
7 | * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. | ||
8 | */ | ||
9 | |||
10 | /* | ||
11 | * The code contained herein is licensed under the GNU General Public | ||
12 | * License. You may obtain a copy of the GNU General Public License | ||
13 | * Version 2 or later at the following locations: | ||
14 | * | ||
15 | * http://www.opensource.org/licenses/gpl-license.html | ||
16 | * http://www.gnu.org/copyleft/gpl.html | ||
17 | */ | ||
18 | #include <linux/kernel.h> | ||
19 | #include <linux/init.h> | ||
20 | #include <linux/platform_device.h> | ||
21 | |||
22 | #include <asm/setup.h> | ||
23 | #include <asm/mach-types.h> | ||
24 | #include <asm/mach/arch.h> | ||
25 | |||
26 | #include <mach/pins.h> | ||
27 | #include <mach/pinmux.h> | ||
28 | #include <mach/stmp3xxx.h> | ||
29 | |||
30 | #include "stmp378x.h" | ||
31 | |||
32 | static struct platform_device *devices[] = { | ||
33 | &stmp3xxx_dbguart, | ||
34 | }; | ||
35 | |||
36 | static struct pin_desc dbguart_pins_0[] = { | ||
37 | { PINID_PWM0, PIN_FUN3, }, | ||
38 | { PINID_PWM1, PIN_FUN3, }, | ||
39 | }; | ||
40 | |||
41 | static struct pin_group dbguart_pins[] = { | ||
42 | [0] = { | ||
43 | .pins = dbguart_pins_0, | ||
44 | .nr_pins = ARRAY_SIZE(dbguart_pins_0), | ||
45 | }, | ||
46 | }; | ||
47 | |||
48 | static int dbguart_pins_control(int id, int request) | ||
49 | { | ||
50 | int r = 0; | ||
51 | |||
52 | if (request) | ||
53 | r = stmp3xxx_request_pin_group(&dbguart_pins[id], "debug uart"); | ||
54 | else | ||
55 | stmp3xxx_release_pin_group(&dbguart_pins[id], "debug uart"); | ||
56 | return r; | ||
57 | } | ||
58 | |||
59 | static void __init stmp378x_devb_init(void) | ||
60 | { | ||
61 | stmp3xxx_pinmux_init(NR_REAL_IRQS); | ||
62 | |||
63 | /* init stmp3xxx platform */ | ||
64 | stmp3xxx_init(); | ||
65 | |||
66 | stmp3xxx_dbguart.dev.platform_data = dbguart_pins_control; | ||
67 | |||
68 | /* add board's devices */ | ||
69 | platform_add_devices(devices, ARRAY_SIZE(devices)); | ||
70 | } | ||
71 | |||
72 | MACHINE_START(STMP378X, "STMP378X") | ||
73 | .phys_io = 0x80000000, | ||
74 | .io_pg_offst = ((0xf0000000) >> 18) & 0xfffc, | ||
75 | .boot_params = 0x40000100, | ||
76 | .map_io = stmp378x_map_io, | ||
77 | .init_irq = stmp378x_init_irq, | ||
78 | .timer = &stmp3xxx_timer, | ||
79 | .init_machine = stmp378x_devb_init, | ||
80 | MACHINE_END | ||