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authorAmit Kucheria <amit.kucheria@canonical.com>2010-02-02 14:57:53 -0500
committerAmit Kucheria <amit.kucheria@canonical.com>2010-02-09 11:32:17 -0500
commitb996b5830364c1b1d2469be574f4ebe831987ba9 (patch)
tree56f334a395b6e0745db97013ec06c8f1a56fc1ad /arch/arm/mach-mx5/board-mx51_babbage.c
parenta329b48c43e5e2e6b51ce159d99aefeb90c7c066 (diff)
mxc: Add support for the Babbage board (i.MX5)
Babbage is a reference board from Freescale for their i.MX51 SoC. Add board definition, Kconfig and Makefiles to enable Freescale i.MX51 processor and Babbage board. Boot tested on a Babbage2.5 board Signed-off-by: Amit Kucheria <amit.kucheria@canonical.com>
Diffstat (limited to 'arch/arm/mach-mx5/board-mx51_babbage.c')
-rw-r--r--arch/arm/mach-mx5/board-mx51_babbage.c98
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 000000000000..d5ccb5f4f39c
--- /dev/null
+++ b/arch/arm/mach-mx5/board-mx51_babbage.c
@@ -0,0 +1,98 @@
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
29static struct platform_device *devices[] __initdata = {
30 &mxc_fec_device,
31};
32
33static 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)
53static struct imxuart_platform_data uart_pdata = {
54 .flags = IMXUART_HAVE_RTSCTS,
55};
56
57static 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 */
64static inline void mxc_init_imx_uart(void)
65{
66}
67#endif /* SERIAL_IMX */
68
69/*
70 * Board specific initialization.
71 */
72static 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
80static void __init mx51_babbage_timer_init(void)
81{
82 mx51_clocks_init(32768, 24000000, 22579200, 24576000);
83}
84
85static struct sys_timer mxc_timer = {
86 .init = mx51_babbage_timer_init,
87};
88
89MACHINE_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,
98MACHINE_END