2 * Copyright 2008-2010 Freescale Semiconductor, Inc. All Rights Reserved.
4 * The code contained herein is licensed under the GNU General Public
5 * License. You may obtain a copy of the GNU General Public License
6 * Version 2 or later at the following locations:
8 * http://www.opensource.org/licenses/gpl-license.html
9 * http://www.gnu.org/copyleft/gpl.html
11 * Create static mapping between physical to virtual memory.
15 #include <linux/init.h>
17 #include <asm/mach/map.h>
19 #include <mach/hardware.h>
20 #include <mach/common.h>
21 #include <mach/iomux-v3.h>
24 * Define the MX51 memory map.
26 static struct map_desc mx51_io_desc
[] __initdata
= {
27 imx_map_entry(MX51
, IRAM
, MT_DEVICE
),
28 imx_map_entry(MX51
, DEBUG
, MT_DEVICE
),
29 imx_map_entry(MX51
, AIPS1
, MT_DEVICE
),
30 imx_map_entry(MX51
, SPBA0
, MT_DEVICE
),
31 imx_map_entry(MX51
, AIPS2
, MT_DEVICE
),
35 * Define the MX53 memory map.
37 static struct map_desc mx53_io_desc
[] __initdata
= {
38 imx_map_entry(MX53
, AIPS1
, MT_DEVICE
),
39 imx_map_entry(MX53
, SPBA0
, MT_DEVICE
),
40 imx_map_entry(MX53
, AIPS2
, MT_DEVICE
),
44 * This function initializes the memory map. It is called during the
45 * system startup to create static physical to virtual memory mappings
48 void __init
mx51_map_io(void)
50 iotable_init(mx51_io_desc
, ARRAY_SIZE(mx51_io_desc
));
53 void __init
imx51_init_early(void)
55 mxc_set_cpu_type(MXC_CPU_MX51
);
56 mxc_iomux_v3_init(MX51_IO_ADDRESS(MX51_IOMUXC_BASE_ADDR
));
57 mxc_arch_reset_init(MX51_IO_ADDRESS(MX51_WDOG1_BASE_ADDR
));
60 void __init
mx53_map_io(void)
62 iotable_init(mx53_io_desc
, ARRAY_SIZE(mx53_io_desc
));
65 void __init
imx53_init_early(void)
67 mxc_set_cpu_type(MXC_CPU_MX53
);
68 mxc_iomux_v3_init(MX53_IO_ADDRESS(MX53_IOMUXC_BASE_ADDR
));
69 mxc_arch_reset_init(MX53_IO_ADDRESS(MX53_WDOG1_BASE_ADDR
));
72 int imx51_register_gpios(void);
74 void __init
mx51_init_irq(void)
76 unsigned long tzic_addr
;
77 void __iomem
*tzic_virt
;
79 if (mx51_revision() < IMX_CHIP_REVISION_2_0
)
80 tzic_addr
= MX51_TZIC_BASE_ADDR_TO1
;
82 tzic_addr
= MX51_TZIC_BASE_ADDR
;
84 tzic_virt
= ioremap(tzic_addr
, SZ_16K
);
86 panic("unable to map TZIC interrupt controller\n");
88 tzic_init_irq(tzic_virt
);
89 imx51_register_gpios();
92 int imx53_register_gpios(void);
94 void __init
mx53_init_irq(void)
96 unsigned long tzic_addr
;
97 void __iomem
*tzic_virt
;
99 tzic_addr
= MX53_TZIC_BASE_ADDR
;
101 tzic_virt
= ioremap(tzic_addr
, SZ_16K
);
103 panic("unable to map TZIC interrupt controller\n");
105 tzic_init_irq(tzic_virt
);
106 imx53_register_gpios();