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>
16 #include <linux/clk.h>
17 #include <linux/pinctrl/machine.h>
18 #include <linux/of_address.h>
20 #include <asm/mach/map.h>
23 #include "devices/devices-common.h"
28 * Define the MX51 memory map.
30 static struct map_desc mx51_io_desc
[] __initdata
= {
31 imx_map_entry(MX51
, TZIC
, MT_DEVICE
),
32 imx_map_entry(MX51
, IRAM
, MT_DEVICE
),
33 imx_map_entry(MX51
, AIPS1
, MT_DEVICE
),
34 imx_map_entry(MX51
, SPBA0
, MT_DEVICE
),
35 imx_map_entry(MX51
, AIPS2
, MT_DEVICE
),
39 * Define the MX53 memory map.
41 static struct map_desc mx53_io_desc
[] __initdata
= {
42 imx_map_entry(MX53
, TZIC
, MT_DEVICE
),
43 imx_map_entry(MX53
, AIPS1
, MT_DEVICE
),
44 imx_map_entry(MX53
, SPBA0
, MT_DEVICE
),
45 imx_map_entry(MX53
, AIPS2
, MT_DEVICE
),
49 * This function initializes the memory map. It is called during the
50 * system startup to create static physical to virtual memory mappings
53 void __init
mx51_map_io(void)
55 iotable_init(mx51_io_desc
, ARRAY_SIZE(mx51_io_desc
));
58 void __init
mx53_map_io(void)
60 iotable_init(mx53_io_desc
, ARRAY_SIZE(mx53_io_desc
));
64 * The MIPI HSC unit has been removed from the i.MX51 Reference Manual by
65 * the Freescale marketing division. However this did not remove the
66 * hardware from the chip which still needs to be configured for proper
69 static void __init
imx51_ipu_mipi_setup(void)
71 void __iomem
*hsc_addr
;
72 hsc_addr
= MX51_IO_ADDRESS(MX51_MIPI_HSC_BASE_ADDR
);
74 /* setup MIPI module to legacy mode */
75 __raw_writel(0xf00, hsc_addr
);
77 /* CSI mode: reserved; DI control mode: legacy (from Freescale BSP) */
78 __raw_writel(__raw_readl(hsc_addr
+ 0x800) | 0x30ff,
82 void __init
imx51_init_early(void)
84 imx51_ipu_mipi_setup();
85 mxc_set_cpu_type(MXC_CPU_MX51
);
86 mxc_iomux_v3_init(MX51_IO_ADDRESS(MX51_IOMUXC_BASE_ADDR
));
90 void __init
imx53_init_early(void)
92 struct device_node
*np
;
95 mxc_set_cpu_type(MXC_CPU_MX53
);
97 np
= of_find_compatible_node(NULL
, NULL
, "fsl,imx53-iomuxc");
98 base
= of_iomap(np
, 0);
100 mxc_iomux_v3_init(base
);
104 void __init
mx51_init_irq(void)
106 tzic_init_irq(MX51_IO_ADDRESS(MX51_TZIC_BASE_ADDR
));
109 void __init
mx53_init_irq(void)
111 struct device_node
*np
;
114 np
= of_find_compatible_node(NULL
, NULL
, "fsl,imx53-tzic");
115 base
= of_iomap(np
, 0);
121 static struct sdma_platform_data imx51_sdma_pdata __initdata
= {
122 .fw_name
= "sdma-imx51.bin",
125 static const struct resource imx51_audmux_res
[] __initconst
= {
126 DEFINE_RES_MEM(MX51_AUDMUX_BASE_ADDR
, SZ_16K
),
129 void __init
imx51_soc_init(void)
131 mxc_arch_reset_init(MX51_IO_ADDRESS(MX51_WDOG1_BASE_ADDR
));
134 /* i.mx51 has the i.mx35 type gpio */
135 mxc_register_gpio("imx35-gpio", 0, MX51_GPIO1_BASE_ADDR
, SZ_16K
, MX51_INT_GPIO1_LOW
, MX51_INT_GPIO1_HIGH
);
136 mxc_register_gpio("imx35-gpio", 1, MX51_GPIO2_BASE_ADDR
, SZ_16K
, MX51_INT_GPIO2_LOW
, MX51_INT_GPIO2_HIGH
);
137 mxc_register_gpio("imx35-gpio", 2, MX51_GPIO3_BASE_ADDR
, SZ_16K
, MX51_INT_GPIO3_LOW
, MX51_INT_GPIO3_HIGH
);
138 mxc_register_gpio("imx35-gpio", 3, MX51_GPIO4_BASE_ADDR
, SZ_16K
, MX51_INT_GPIO4_LOW
, MX51_INT_GPIO4_HIGH
);
140 pinctrl_provide_dummies();
142 /* i.mx51 has the i.mx35 type sdma */
143 imx_add_imx_sdma("imx35-sdma", MX51_SDMA_BASE_ADDR
, MX51_INT_SDMA
, &imx51_sdma_pdata
);
145 /* Setup AIPS registers */
146 imx_set_aips(MX51_IO_ADDRESS(MX51_AIPS1_BASE_ADDR
));
147 imx_set_aips(MX51_IO_ADDRESS(MX51_AIPS2_BASE_ADDR
));
149 /* i.mx51 has the i.mx31 type audmux */
150 platform_device_register_simple("imx31-audmux", 0, imx51_audmux_res
,
151 ARRAY_SIZE(imx51_audmux_res
));
154 void __init
imx51_init_late(void)
160 void __init
imx53_init_late(void)