| dmitry pervushin | bc19d89 | 2009-04-22 23:57:28 +0100 | [diff] [blame^] | 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 |