Juergen Beisert | eea643f | 2008-07-05 10:02:56 +0200 | [diff] [blame] | 1 | /* |
Uwe Kleine-König | d109167 | 2010-06-10 15:11:13 +0200 | [diff] [blame] | 2 | * arch/arm/mach-imx/mm-imx27.c |
Juergen Beisert | eea643f | 2008-07-05 10:02:56 +0200 | [diff] [blame] | 3 | * |
| 4 | * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de) |
| 5 | * |
| 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. |
| 14 | * |
| 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, |
| 18 | * MA 02110-1301, USA. |
| 19 | */ |
| 20 | |
| 21 | #include <linux/mm.h> |
| 22 | #include <linux/init.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 23 | #include <mach/hardware.h> |
Holger Schurig | 058b7a6 | 2009-01-26 16:34:51 +0100 | [diff] [blame] | 24 | #include <mach/common.h> |
Shawn Guo | 3622360 | 2011-06-22 22:41:30 +0800 | [diff] [blame] | 25 | #include <mach/devices-common.h> |
Juergen Beisert | eea643f | 2008-07-05 10:02:56 +0200 | [diff] [blame] | 26 | #include <asm/pgtable.h> |
| 27 | #include <asm/mach/map.h> |
Sascha Hauer | 5ae30b4 | 2011-02-17 14:43:48 +0100 | [diff] [blame] | 28 | #include <mach/irqs.h> |
Sascha Hauer | ff255fe | 2011-02-17 15:08:12 +0100 | [diff] [blame] | 29 | #include <mach/iomux-v1.h> |
Juergen Beisert | eea643f | 2008-07-05 10:02:56 +0200 | [diff] [blame] | 30 | |
| 31 | /* MX27 memory map definition */ |
Uwe Kleine-König | 4a50d00 | 2010-02-05 22:00:11 +0100 | [diff] [blame] | 32 | static struct map_desc imx27_io_desc[] __initdata = { |
Juergen Beisert | eea643f | 2008-07-05 10:02:56 +0200 | [diff] [blame] | 33 | /* |
| 34 | * this fixed mapping covers: |
| 35 | * - AIPI1 |
| 36 | * - AIPI2 |
| 37 | * - AITC |
| 38 | * - ROM Patch |
| 39 | * - and some reserved space |
| 40 | */ |
Uwe Kleine-König | 08ff97b | 2010-10-25 15:38:09 +0200 | [diff] [blame] | 41 | imx_map_entry(MX27, AIPI, MT_DEVICE), |
Juergen Beisert | eea643f | 2008-07-05 10:02:56 +0200 | [diff] [blame] | 42 | /* |
| 43 | * this fixed mapping covers: |
| 44 | * - CSI |
| 45 | * - ATA |
| 46 | */ |
Uwe Kleine-König | 08ff97b | 2010-10-25 15:38:09 +0200 | [diff] [blame] | 47 | imx_map_entry(MX27, SAHB1, MT_DEVICE), |
Juergen Beisert | eea643f | 2008-07-05 10:02:56 +0200 | [diff] [blame] | 48 | /* |
| 49 | * this fixed mapping covers: |
| 50 | * - EMI |
| 51 | */ |
Uwe Kleine-König | 08ff97b | 2010-10-25 15:38:09 +0200 | [diff] [blame] | 52 | imx_map_entry(MX27, X_MEMC, MT_DEVICE), |
Juergen Beisert | eea643f | 2008-07-05 10:02:56 +0200 | [diff] [blame] | 53 | }; |
| 54 | |
| 55 | /* |
| 56 | * Initialize the memory map. It is called during the |
| 57 | * system startup to create static physical to virtual |
| 58 | * memory map for the IO modules. |
| 59 | */ |
Sascha Hauer | cd4a05f | 2009-04-02 22:32:10 +0200 | [diff] [blame] | 60 | void __init mx27_map_io(void) |
| 61 | { |
Uwe Kleine-König | 3dac219 | 2011-02-07 16:35:19 +0100 | [diff] [blame] | 62 | iotable_init(imx27_io_desc, ARRAY_SIZE(imx27_io_desc)); |
| 63 | } |
| 64 | |
| 65 | void __init imx27_init_early(void) |
| 66 | { |
Sascha Hauer | cd4a05f | 2009-04-02 22:32:10 +0200 | [diff] [blame] | 67 | mxc_set_cpu_type(MXC_CPU_MX27); |
Uwe Kleine-König | 4a50d00 | 2010-02-05 22:00:11 +0100 | [diff] [blame] | 68 | mxc_arch_reset_init(MX27_IO_ADDRESS(MX27_WDOG_BASE_ADDR)); |
Sascha Hauer | ff255fe | 2011-02-17 15:08:12 +0100 | [diff] [blame] | 69 | imx_iomuxv1_init(MX27_IO_ADDRESS(MX27_GPIO_BASE_ADDR), |
| 70 | MX27_NUM_GPIO_PORT); |
Sascha Hauer | cd4a05f | 2009-04-02 22:32:10 +0200 | [diff] [blame] | 71 | } |
| 72 | |
Sascha Hauer | c5aa0ad | 2009-05-25 17:36:19 +0200 | [diff] [blame] | 73 | void __init mx27_init_irq(void) |
| 74 | { |
Uwe Kleine-König | 4a50d00 | 2010-02-05 22:00:11 +0100 | [diff] [blame] | 75 | mxc_init_irq(MX27_IO_ADDRESS(MX27_AVIC_BASE_ADDR)); |
Shawn Guo | b78d8e5 | 2011-06-06 00:07:55 +0800 | [diff] [blame] | 76 | } |
| 77 | |
| 78 | void __init imx27_soc_init(void) |
| 79 | { |
Shawn Guo | e7fc6ae | 2011-07-07 00:37:41 +0800 | [diff] [blame] | 80 | /* i.mx27 has the i.mx21 type gpio */ |
| 81 | mxc_register_gpio("imx21-gpio", 0, MX27_GPIO1_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); |
| 82 | mxc_register_gpio("imx21-gpio", 1, MX27_GPIO2_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); |
| 83 | mxc_register_gpio("imx21-gpio", 2, MX27_GPIO3_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); |
| 84 | mxc_register_gpio("imx21-gpio", 3, MX27_GPIO4_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); |
| 85 | mxc_register_gpio("imx21-gpio", 4, MX27_GPIO5_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); |
| 86 | mxc_register_gpio("imx21-gpio", 5, MX27_GPIO6_BASE_ADDR, SZ_256, MX27_INT_GPIO, 0); |
Shawn Guo | 3622360 | 2011-06-22 22:41:30 +0800 | [diff] [blame] | 87 | |
| 88 | imx_add_imx_dma(); |
Sascha Hauer | c5aa0ad | 2009-05-25 17:36:19 +0200 | [diff] [blame] | 89 | } |