| Amit Kucheria | b996b58 | 2010-02-02 11:57:53 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved. |
| 3 | * Copyright (C) 2009-2010 Amit Kucheria <amit.kucheria@canonical.com> |
| 4 | * |
| 5 | * The code contained herein is licensed under the GNU General Public |
| 6 | * License. You may obtain a copy of the GNU General Public License |
| 7 | * Version 2 or later at the following locations: |
| 8 | * |
| 9 | * http://www.opensource.org/licenses/gpl-license.html |
| 10 | * http://www.gnu.org/copyleft/gpl.html |
| 11 | */ |
| 12 | |
| 13 | #include <linux/init.h> |
| 14 | #include <linux/platform_device.h> |
| 15 | |
| 16 | #include <mach/common.h> |
| 17 | #include <mach/hardware.h> |
| 18 | #include <mach/imx-uart.h> |
| 19 | #include <mach/iomux-mx51.h> |
| 20 | |
| 21 | #include <asm/irq.h> |
| 22 | #include <asm/setup.h> |
| 23 | #include <asm/mach-types.h> |
| 24 | #include <asm/mach/arch.h> |
| 25 | #include <asm/mach/time.h> |
| 26 | |
| 27 | #include "devices.h" |
| 28 | |
| 29 | static struct platform_device *devices[] __initdata = { |
| 30 | &mxc_fec_device, |
| 31 | }; |
| 32 | |
| 33 | static struct pad_desc mx51babbage_pads[] = { |
| 34 | /* UART1 */ |
| 35 | MX51_PAD_UART1_RXD__UART1_RXD, |
| 36 | MX51_PAD_UART1_TXD__UART1_TXD, |
| 37 | MX51_PAD_UART1_RTS__UART1_RTS, |
| 38 | MX51_PAD_UART1_CTS__UART1_CTS, |
| 39 | |
| 40 | /* UART2 */ |
| 41 | MX51_PAD_UART2_RXD__UART2_RXD, |
| 42 | MX51_PAD_UART2_TXD__UART2_TXD, |
| 43 | |
| 44 | /* UART3 */ |
| 45 | MX51_PAD_EIM_D25__UART3_RXD, |
| 46 | MX51_PAD_EIM_D26__UART3_TXD, |
| 47 | MX51_PAD_EIM_D27__UART3_RTS, |
| 48 | MX51_PAD_EIM_D24__UART3_CTS, |
| 49 | }; |
| 50 | |
| 51 | /* Serial ports */ |
| 52 | #if defined(CONFIG_SERIAL_IMX) || defined(CONFIG_SERIAL_IMX_MODULE) |
| 53 | static struct imxuart_platform_data uart_pdata = { |
| 54 | .flags = IMXUART_HAVE_RTSCTS, |
| 55 | }; |
| 56 | |
| 57 | static inline void mxc_init_imx_uart(void) |
| 58 | { |
| 59 | mxc_register_device(&mxc_uart_device0, &uart_pdata); |
| 60 | mxc_register_device(&mxc_uart_device1, &uart_pdata); |
| 61 | mxc_register_device(&mxc_uart_device2, &uart_pdata); |
| 62 | } |
| 63 | #else /* !SERIAL_IMX */ |
| 64 | static inline void mxc_init_imx_uart(void) |
| 65 | { |
| 66 | } |
| 67 | #endif /* SERIAL_IMX */ |
| 68 | |
| 69 | /* |
| 70 | * Board specific initialization. |
| 71 | */ |
| 72 | static void __init mxc_board_init(void) |
| 73 | { |
| 74 | mxc_iomux_v3_setup_multiple_pads(mx51babbage_pads, |
| 75 | ARRAY_SIZE(mx51babbage_pads)); |
| 76 | mxc_init_imx_uart(); |
| 77 | platform_add_devices(devices, ARRAY_SIZE(devices)); |
| 78 | } |
| 79 | |
| 80 | static void __init mx51_babbage_timer_init(void) |
| 81 | { |
| 82 | mx51_clocks_init(32768, 24000000, 22579200, 24576000); |
| 83 | } |
| 84 | |
| 85 | static struct sys_timer mxc_timer = { |
| 86 | .init = mx51_babbage_timer_init, |
| 87 | }; |
| 88 | |
| 89 | MACHINE_START(MX51_BABBAGE, "Freescale MX51 Babbage Board") |
| 90 | /* Maintainer: Amit Kucheria <amit.kucheria@canonical.com> */ |
| 91 | .phys_io = MX51_AIPS1_BASE_ADDR, |
| 92 | .io_pg_offst = ((MX51_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, |
| 93 | .boot_params = PHYS_OFFSET + 0x100, |
| 94 | .map_io = mx51_map_io, |
| 95 | .init_irq = mx51_init_irq, |
| 96 | .init_machine = mxc_board_init, |
| 97 | .timer = &mxc_timer, |
| 98 | MACHINE_END |