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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
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')
-rw-r--r--arch/arm/Makefile1
-rw-r--r--arch/arm/mach-mx5/Kconfig18
-rw-r--r--arch/arm/mach-mx5/Makefile9
-rw-r--r--arch/arm/mach-mx5/Makefile.boot3
-rw-r--r--arch/arm/mach-mx5/board-mx51_babbage.c98
-rw-r--r--arch/arm/plat-mxc/Kconfig8
6 files changed, 137 insertions, 0 deletions
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index e9da08483b3c..056daf8b68a5 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -146,6 +146,7 @@ machine-$(CONFIG_ARCH_MX1) := mx1
146machine-$(CONFIG_ARCH_MX2) := mx2 146machine-$(CONFIG_ARCH_MX2) := mx2
147machine-$(CONFIG_ARCH_MX25) := mx25 147machine-$(CONFIG_ARCH_MX25) := mx25
148machine-$(CONFIG_ARCH_MX3) := mx3 148machine-$(CONFIG_ARCH_MX3) := mx3
149machine-$(CONFIG_ARCH_MX5) := mx5
149machine-$(CONFIG_ARCH_NETX) := netx 150machine-$(CONFIG_ARCH_NETX) := netx
150machine-$(CONFIG_ARCH_NOMADIK) := nomadik 151machine-$(CONFIG_ARCH_NOMADIK) := nomadik
151machine-$(CONFIG_ARCH_NS9XXX) := ns9xxx 152machine-$(CONFIG_ARCH_NS9XXX) := ns9xxx
diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig
new file mode 100644
index 000000000000..1576d51e676c
--- /dev/null
+++ b/arch/arm/mach-mx5/Kconfig
@@ -0,0 +1,18 @@
1if ARCH_MX5
2
3config ARCH_MX51
4 bool
5 default y
6 select MXC_TZIC
7 select ARCH_MXC_IOMUX_V3
8
9comment "MX5 platforms:"
10
11config MACH_MX51_BABBAGE
12 bool "Support MX51 BABBAGE platforms"
13 help
14 Include support for MX51 Babbage platform, also known as MX51EVK in
15 u-boot. This includes specific configurations for the board and its
16 peripherals.
17
18endif
diff --git a/arch/arm/mach-mx5/Makefile b/arch/arm/mach-mx5/Makefile
new file mode 100644
index 000000000000..bf23f869ef51
--- /dev/null
+++ b/arch/arm/mach-mx5/Makefile
@@ -0,0 +1,9 @@
1#
2# Makefile for the linux kernel.
3#
4
5# Object file lists.
6obj-y := cpu.o mm.o clock-mx51.o devices.o
7
8obj-$(CONFIG_MACH_MX51_BABBAGE) += board-mx51_babbage.o
9
diff --git a/arch/arm/mach-mx5/Makefile.boot b/arch/arm/mach-mx5/Makefile.boot
new file mode 100644
index 000000000000..9939a19d99a1
--- /dev/null
+++ b/arch/arm/mach-mx5/Makefile.boot
@@ -0,0 +1,3 @@
1 zreladdr-y := 0x90008000
2params_phys-y := 0x90000100
3initrd_phys-y := 0x90800000
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
diff --git a/arch/arm/plat-mxc/Kconfig b/arch/arm/plat-mxc/Kconfig
index 59558c4b9446..cea51a0ae9f7 100644
--- a/arch/arm/plat-mxc/Kconfig
+++ b/arch/arm/plat-mxc/Kconfig
@@ -41,6 +41,13 @@ config ARCH_MXC91231
41 help 41 help
42 This enables support for systems based on the Freescale MXC91231 family 42 This enables support for systems based on the Freescale MXC91231 family
43 43
44config ARCH_MX5
45 bool "MX5-based"
46 select CPU_V7
47 select COMMON_CLKDEV
48 help
49 This enables support for systems based on the Freescale i.MX51 family
50
44endchoice 51endchoice
45 52
46source "arch/arm/mach-mx1/Kconfig" 53source "arch/arm/mach-mx1/Kconfig"
@@ -48,6 +55,7 @@ source "arch/arm/mach-mx2/Kconfig"
48source "arch/arm/mach-mx3/Kconfig" 55source "arch/arm/mach-mx3/Kconfig"
49source "arch/arm/mach-mx25/Kconfig" 56source "arch/arm/mach-mx25/Kconfig"
50source "arch/arm/mach-mxc91231/Kconfig" 57source "arch/arm/mach-mxc91231/Kconfig"
58source "arch/arm/mach-mx5/Kconfig"
51 59
52endmenu 60endmenu
53 61