| /* |
| * Freescale STMP37XX development board support |
| * |
| * Embedded Alley Solutions, Inc <source@embeddedalley.com> |
| * |
| * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. |
| * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. |
| */ |
| |
| /* |
| * The code contained herein is licensed under the GNU General Public |
| * License. You may obtain a copy of the GNU General Public License |
| * Version 2 or later at the following locations: |
| * |
| * http://www.opensource.org/licenses/gpl-license.html |
| * http://www.gnu.org/copyleft/gpl.html |
| */ |
| #include <linux/kernel.h> |
| #include <linux/init.h> |
| #include <linux/device.h> |
| #include <linux/platform_device.h> |
| #include <asm/setup.h> |
| #include <asm/mach-types.h> |
| #include <asm/mach/arch.h> |
| |
| #include <mach/stmp3xxx.h> |
| #include <mach/pins.h> |
| #include <mach/pinmux.h> |
| #include "stmp37xx.h" |
| |
| /* |
| * List of STMP37xx development board specific devices |
| */ |
| static struct platform_device *stmp37xx_devb_devices[] = { |
| &stmp3xxx_dbguart, |
| &stmp3xxx_appuart, |
| }; |
| |
| static struct pin_desc dbguart_pins_0[] = { |
| { PINID_PWM0, PIN_FUN3, }, |
| { PINID_PWM1, PIN_FUN3, }, |
| }; |
| |
| struct pin_desc appuart_pins_0[] = { |
| { PINID_UART2_CTS, PIN_FUN1, PIN_4MA, PIN_1_8V, 0, }, |
| { PINID_UART2_RTS, PIN_FUN1, PIN_4MA, PIN_1_8V, 0, }, |
| { PINID_UART2_RX, PIN_FUN1, PIN_4MA, PIN_1_8V, 0, }, |
| { PINID_UART2_TX, PIN_FUN1, PIN_4MA, PIN_1_8V, 0, }, |
| }; |
| |
| static struct pin_group appuart_pins[] = { |
| [0] = { |
| .pins = appuart_pins_0, |
| .nr_pins = ARRAY_SIZE(appuart_pins_0), |
| }, |
| /* 37xx has the only app uart */ |
| }; |
| |
| static struct pin_group dbguart_pins[] = { |
| [0] = { |
| .pins = dbguart_pins_0, |
| .nr_pins = ARRAY_SIZE(dbguart_pins_0), |
| }, |
| }; |
| |
| static int dbguart_pins_control(int id, int request) |
| { |
| int r = 0; |
| |
| if (request) |
| r = stmp3xxx_request_pin_group(&dbguart_pins[id], "debug uart"); |
| else |
| stmp3xxx_release_pin_group(&dbguart_pins[id], "debug uart"); |
| return r; |
| } |
| |
| |
| static void __init stmp37xx_devb_init(void) |
| { |
| stmp3xxx_pinmux_init(NR_REAL_IRQS); |
| |
| /* Init STMP3xxx platform */ |
| stmp3xxx_init(); |
| |
| stmp3xxx_dbguart.dev.platform_data = dbguart_pins_control; |
| stmp3xxx_appuart.dev.platform_data = appuart_pins; |
| |
| /* Add STMP37xx development board devices */ |
| platform_add_devices(stmp37xx_devb_devices, |
| ARRAY_SIZE(stmp37xx_devb_devices)); |
| } |
| |
| MACHINE_START(STMP37XX, "STMP37XX") |
| .phys_io = 0x80000000, |
| .io_pg_offst = ((0xf0000000) >> 18) & 0xfffc, |
| .boot_params = 0x40000100, |
| .map_io = stmp37xx_map_io, |
| .init_irq = stmp37xx_init_irq, |
| .timer = &stmp3xxx_timer, |
| .init_machine = stmp37xx_devb_init, |
| MACHINE_END |