Sascha Hauer | 8c25c36 | 2009-06-04 11:32:12 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 1999,2000 Arm Limited |
| 3 | * Copyright (C) 2000 Deep Blue Solutions Ltd |
| 4 | * Copyright (C) 2002 Shane Nay (shane@minirl.com) |
| 5 | * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved. |
| 6 | * - add MX31 specific definitions |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
Sascha Hauer | 8c25c36 | 2009-06-04 11:32:12 +0200 | [diff] [blame] | 17 | */ |
| 18 | |
| 19 | #include <linux/mm.h> |
| 20 | #include <linux/init.h> |
| 21 | #include <linux/err.h> |
Dong Aisheng | a2aa65a | 2012-05-02 19:31:20 +0800 | [diff] [blame] | 22 | #include <linux/pinctrl/machine.h> |
Sascha Hauer | 8c25c36 | 2009-06-04 11:32:12 +0200 | [diff] [blame] | 23 | |
| 24 | #include <asm/pgtable.h> |
| 25 | #include <asm/mach/map.h> |
| 26 | |
| 27 | #include <mach/common.h> |
Shawn Guo | 3622360 | 2011-06-22 22:41:30 +0800 | [diff] [blame] | 28 | #include <mach/devices-common.h> |
Sascha Hauer | 8c25c36 | 2009-06-04 11:32:12 +0200 | [diff] [blame] | 29 | #include <mach/hardware.h> |
| 30 | #include <mach/mx25.h> |
| 31 | #include <mach/iomux-v3.h> |
| 32 | |
| 33 | /* |
| 34 | * This table defines static virtual address mappings for I/O regions. |
Uwe Kleine-König | 08ff97b | 2010-10-25 15:38:09 +0200 | [diff] [blame] | 35 | * These are the mappings common across all MX25 boards. |
Sascha Hauer | 8c25c36 | 2009-06-04 11:32:12 +0200 | [diff] [blame] | 36 | */ |
Uwe Kleine-König | 08ff97b | 2010-10-25 15:38:09 +0200 | [diff] [blame] | 37 | static struct map_desc mx25_io_desc[] __initdata = { |
| 38 | imx_map_entry(MX25, AVIC, MT_DEVICE_NONSHARED), |
| 39 | imx_map_entry(MX25, AIPS1, MT_DEVICE_NONSHARED), |
| 40 | imx_map_entry(MX25, AIPS2, MT_DEVICE_NONSHARED), |
Sascha Hauer | 8c25c36 | 2009-06-04 11:32:12 +0200 | [diff] [blame] | 41 | }; |
| 42 | |
| 43 | /* |
| 44 | * This function initializes the memory map. It is called during the |
| 45 | * system startup to create static physical to virtual memory mappings |
| 46 | * for the IO modules. |
| 47 | */ |
| 48 | void __init mx25_map_io(void) |
| 49 | { |
Uwe Kleine-König | 3dac219 | 2011-02-07 16:35:19 +0100 | [diff] [blame] | 50 | iotable_init(mx25_io_desc, ARRAY_SIZE(mx25_io_desc)); |
| 51 | } |
| 52 | |
| 53 | void __init imx25_init_early(void) |
| 54 | { |
Sascha Hauer | 8c25c36 | 2009-06-04 11:32:12 +0200 | [diff] [blame] | 55 | mxc_set_cpu_type(MXC_CPU_MX25); |
| 56 | mxc_iomux_v3_init(MX25_IO_ADDRESS(MX25_IOMUXC_BASE_ADDR)); |
| 57 | mxc_arch_reset_init(MX25_IO_ADDRESS(MX25_WDOG_BASE_ADDR)); |
Sascha Hauer | 8c25c36 | 2009-06-04 11:32:12 +0200 | [diff] [blame] | 58 | } |
| 59 | |
| 60 | void __init mx25_init_irq(void) |
| 61 | { |
Uwe Kleine-König | cf3a6ab | 2010-10-25 15:54:58 +0200 | [diff] [blame] | 62 | mxc_init_irq(MX25_IO_ADDRESS(MX25_AVIC_BASE_ADDR)); |
Sascha Hauer | 8c25c36 | 2009-06-04 11:32:12 +0200 | [diff] [blame] | 63 | } |
| 64 | |
Shawn Guo | 3622360 | 2011-06-22 22:41:30 +0800 | [diff] [blame] | 65 | static struct sdma_script_start_addrs imx25_sdma_script __initdata = { |
| 66 | .ap_2_ap_addr = 729, |
| 67 | .uart_2_mcu_addr = 904, |
| 68 | .per_2_app_addr = 1255, |
| 69 | .mcu_2_app_addr = 834, |
| 70 | .uartsh_2_mcu_addr = 1120, |
| 71 | .per_2_shp_addr = 1329, |
| 72 | .mcu_2_shp_addr = 1048, |
| 73 | .ata_2_mcu_addr = 1560, |
| 74 | .mcu_2_ata_addr = 1479, |
| 75 | .app_2_per_addr = 1189, |
| 76 | .app_2_mcu_addr = 770, |
| 77 | .shp_2_per_addr = 1407, |
| 78 | .shp_2_mcu_addr = 979, |
| 79 | }; |
| 80 | |
| 81 | static struct sdma_platform_data imx25_sdma_pdata __initdata = { |
Shawn Guo | 2e534b2 | 2011-06-22 22:41:31 +0800 | [diff] [blame] | 82 | .fw_name = "sdma-imx25.bin", |
Shawn Guo | 3622360 | 2011-06-22 22:41:30 +0800 | [diff] [blame] | 83 | .script_addrs = &imx25_sdma_script, |
| 84 | }; |
| 85 | |
Richard Zhao | 3bc34a6 | 2012-03-05 22:30:52 +0800 | [diff] [blame] | 86 | static const struct resource imx25_audmux_res[] __initconst = { |
| 87 | DEFINE_RES_MEM(MX25_AUDMUX_BASE_ADDR, SZ_16K), |
| 88 | }; |
| 89 | |
Shawn Guo | b78d8e5 | 2011-06-06 00:07:55 +0800 | [diff] [blame] | 90 | void __init imx25_soc_init(void) |
| 91 | { |
Benoît Thébaudeau | aeb2774 | 2012-06-22 21:04:06 +0200 | [diff] [blame] | 92 | /* i.mx25 has the i.mx35 type gpio */ |
| 93 | mxc_register_gpio("imx35-gpio", 0, MX25_GPIO1_BASE_ADDR, SZ_16K, MX25_INT_GPIO1, 0); |
| 94 | mxc_register_gpio("imx35-gpio", 1, MX25_GPIO2_BASE_ADDR, SZ_16K, MX25_INT_GPIO2, 0); |
| 95 | mxc_register_gpio("imx35-gpio", 2, MX25_GPIO3_BASE_ADDR, SZ_16K, MX25_INT_GPIO3, 0); |
| 96 | mxc_register_gpio("imx35-gpio", 3, MX25_GPIO4_BASE_ADDR, SZ_16K, MX25_INT_GPIO4, 0); |
Shawn Guo | 3622360 | 2011-06-22 22:41:30 +0800 | [diff] [blame] | 97 | |
Dong Aisheng | a2aa65a | 2012-05-02 19:31:20 +0800 | [diff] [blame] | 98 | pinctrl_provide_dummies(); |
Shawn Guo | 62550cd | 2011-07-13 21:33:17 +0800 | [diff] [blame] | 99 | /* i.mx25 has the i.mx35 type sdma */ |
| 100 | imx_add_imx_sdma("imx35-sdma", MX25_SDMA_BASE_ADDR, MX25_INT_SDMA, &imx25_sdma_pdata); |
Richard Zhao | 3bc34a6 | 2012-03-05 22:30:52 +0800 | [diff] [blame] | 101 | /* i.mx25 has the i.mx31 type audmux */ |
| 102 | platform_device_register_simple("imx31-audmux", 0, imx25_audmux_res, |
| 103 | ARRAY_SIZE(imx25_audmux_res)); |
Shawn Guo | b78d8e5 | 2011-06-06 00:07:55 +0800 | [diff] [blame] | 104 | } |