diff options
Diffstat (limited to 'arch/arm/mach-mx5/board-mx51_babbage.c')
| -rw-r--r-- | arch/arm/mach-mx5/board-mx51_babbage.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c new file mode 100644 index 00000000000..ee67a71db80 --- /dev/null +++ b/arch/arm/mach-mx5/board-mx51_babbage.c @@ -0,0 +1,98 @@ +/* + * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright (C) 2009-2010 Amit Kucheria <amit.kucheria@canonical.com> + * + * 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/init.h> +#include <linux/platform_device.h> + +#include <mach/common.h> +#include <mach/hardware.h> +#include <mach/imx-uart.h> +#include <mach/iomux-mx51.h> + +#include <asm/irq.h> +#include <asm/setup.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> + +#include "devices.h" + +static struct platform_device *devices[] __initdata = { + &mxc_fec_device, +}; + +static struct pad_desc mx51babbage_pads[] = { + /* UART1 */ + MX51_PAD_UART1_RXD__UART1_RXD, + MX51_PAD_UART1_TXD__UART1_TXD, + MX51_PAD_UART1_RTS__UART1_RTS, + MX51_PAD_UART1_CTS__UART1_CTS, + + /* UART2 */ + MX51_PAD_UART2_RXD__UART2_RXD, + MX51_PAD_UART2_TXD__UART2_TXD, + + /* UART3 */ + MX51_PAD_EIM_D25__UART3_RXD, + MX51_PAD_EIM_D26__UART3_TXD, + MX51_PAD_EIM_D27__UART3_RTS, + MX51_PAD_EIM_D24__UART3_CTS, +}; + +/* Serial ports */ +#if defined(CONFIG_SERIAL_IMX) || defined(CONFIG_SERIAL_IMX_MODULE) +static struct imxuart_platform_data uart_pdata = { + .flags = IMXUART_HAVE_RTSCTS, +}; + +static inline void mxc_init_imx_uart(void) +{ + mxc_register_device(&mxc_uart_device0, &uart_pdata); + mxc_register_device(&mxc_uart_device1, &uart_pdata); + mxc_register_device(&mxc_uart_device2, &uart_pdata); +} +#else /* !SERIAL_IMX */ +static inline void mxc_init_imx_uart(void) +{ +} +#endif /* SERIAL_IMX */ + +/* + * Board specific initialization. + */ +static void __init mxc_board_init(void) +{ + mxc_iomux_v3_setup_multiple_pads(mx51babbage_pads, + ARRAY_SIZE(mx51babbage_pads)); + mxc_init_imx_uart(); + platform_add_devices(devices, ARRAY_SIZE(devices)); +} + +static void __init mx51_babbage_timer_init(void) +{ + mx51_clocks_init(32768, 24000000, 22579200, 0); +} + +static struct sys_timer mxc_timer = { + .init = mx51_babbage_timer_init, +}; + +MACHINE_START(MX51_BABBAGE, "Freescale MX51 Babbage Board") + /* Maintainer: Amit Kucheria <amit.kucheria@canonical.com> */ + .phys_io = MX51_AIPS1_BASE_ADDR, + .io_pg_offst = ((MX51_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, + .boot_params = PHYS_OFFSET + 0x100, + .map_io = mx51_map_io, + .init_irq = mx51_init_irq, + .init_machine = mxc_board_init, + .timer = &mxc_timer, +MACHINE_END |