2 * arch/arm/mach-imx/mm-imx27.c
4 * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
22 #include <linux/init.h>
23 #include <linux/pinctrl/machine.h>
24 #include <mach/hardware.h>
25 #include <asm/pgtable.h>
26 #include <asm/mach/map.h>
29 #include "devices/devices-common.h"
32 /* MX27 memory map definition */
33 static struct map_desc imx27_io_desc
[] __initdata
= {
35 * this fixed mapping covers:
40 * - and some reserved space
42 imx_map_entry(MX27
, AIPI
, MT_DEVICE
),
44 * this fixed mapping covers:
48 imx_map_entry(MX27
, SAHB1
, MT_DEVICE
),
50 * this fixed mapping covers:
53 imx_map_entry(MX27
, X_MEMC
, MT_DEVICE
),
57 * Initialize the memory map. It is called during the
58 * system startup to create static physical to virtual
59 * memory map for the IO modules.
61 void __init
mx27_map_io(void)
63 iotable_init(imx27_io_desc
, ARRAY_SIZE(imx27_io_desc
));
66 void __init
imx27_init_early(void)
68 mxc_set_cpu_type(MXC_CPU_MX27
);
69 mxc_arch_reset_init(MX27_IO_ADDRESS(MX27_WDOG_BASE_ADDR
));
70 imx_iomuxv1_init(MX27_IO_ADDRESS(MX27_GPIO_BASE_ADDR
),
74 void __init
mx27_init_irq(void)
76 mxc_init_irq(MX27_IO_ADDRESS(MX27_AVIC_BASE_ADDR
));
79 static const struct resource imx27_audmux_res
[] __initconst
= {
80 DEFINE_RES_MEM(MX27_AUDMUX_BASE_ADDR
, SZ_4K
),
83 void __init
imx27_soc_init(void)
85 /* i.mx27 has the i.mx21 type gpio */
86 mxc_register_gpio("imx21-gpio", 0, MX27_GPIO1_BASE_ADDR
, SZ_256
, MX27_INT_GPIO
, 0);
87 mxc_register_gpio("imx21-gpio", 1, MX27_GPIO2_BASE_ADDR
, SZ_256
, MX27_INT_GPIO
, 0);
88 mxc_register_gpio("imx21-gpio", 2, MX27_GPIO3_BASE_ADDR
, SZ_256
, MX27_INT_GPIO
, 0);
89 mxc_register_gpio("imx21-gpio", 3, MX27_GPIO4_BASE_ADDR
, SZ_256
, MX27_INT_GPIO
, 0);
90 mxc_register_gpio("imx21-gpio", 4, MX27_GPIO5_BASE_ADDR
, SZ_256
, MX27_INT_GPIO
, 0);
91 mxc_register_gpio("imx21-gpio", 5, MX27_GPIO6_BASE_ADDR
, SZ_256
, MX27_INT_GPIO
, 0);
93 pinctrl_provide_dummies();
94 imx_add_imx_dma("imx27-dma", MX27_DMA_BASE_ADDR
,
95 MX27_INT_DMACH0
, 0); /* No ERR irq */
96 /* imx27 has the imx21 type audmux */
97 platform_device_register_simple("imx21-audmux", 0, imx27_audmux_res
,
98 ARRAY_SIZE(imx27_audmux_res
));