diff options
Diffstat (limited to 'arch/arm/mach-stmp37xx/stmp37xx_devb.c')
-rw-r--r-- | arch/arm/mach-stmp37xx/stmp37xx_devb.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/arch/arm/mach-stmp37xx/stmp37xx_devb.c b/arch/arm/mach-stmp37xx/stmp37xx_devb.c new file mode 100644 index 000000000000..394f21ab59e6 --- /dev/null +++ b/arch/arm/mach-stmp37xx/stmp37xx_devb.c @@ -0,0 +1,101 @@ +/* + * 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 |