arch/arm/mach-imx/mm-imx35.c

   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.
  17  */
  18
  19 #include <linux/mm.h>
  20 #include <linux/init.h>
  21 #include <linux/err.h>
  22
  23 #include <asm/pgtable.h>
  24 #include <asm/mach/map.h>
  25 #include <asm/hardware/cache-l2x0.h>
  26
  27 #include <mach/common.h>
  28 #include <mach/devices-common.h>
  29 #include <mach/hardware.h>
  30 #include <mach/iomux-v3.h>
  31 #include <mach/irqs.h>
  32
  33 static struct map_desc mx35_io_desc[] __initdata = {
  34         imx_map_entry(MX35, X_MEMC, MT_DEVICE),
  35         imx_map_entry(MX35, AVIC, MT_DEVICE_NONSHARED),
  36         imx_map_entry(MX35, AIPS1, MT_DEVICE_NONSHARED),
  37         imx_map_entry(MX35, AIPS2, MT_DEVICE_NONSHARED),
  38         imx_map_entry(MX35, SPBA0, MT_DEVICE_NONSHARED),
  39 };
  40
  41 void __init mx35_map_io(void)
  42 {
  43         iotable_init(mx35_io_desc, ARRAY_SIZE(mx35_io_desc));
  44 }
  45
  46 void __init imx35_init_early(void)
  47 {
  48         mxc_set_cpu_type(MXC_CPU_MX35);
  49         mxc_iomux_v3_init(MX35_IO_ADDRESS(MX35_IOMUXC_BASE_ADDR));
  50         mxc_arch_reset_init(MX35_IO_ADDRESS(MX35_WDOG_BASE_ADDR));
  51 }
  52
  53 void __init mx35_init_irq(void)
  54 {
  55         mxc_init_irq(MX35_IO_ADDRESS(MX35_AVIC_BASE_ADDR));
  56 }
  57
  58 static struct sdma_script_start_addrs imx35_to1_sdma_script __initdata = {
  59         .ap_2_ap_addr = 642,
  60         .uart_2_mcu_addr = 817,
  61         .mcu_2_app_addr = 747,
  62         .uartsh_2_mcu_addr = 1183,
  63         .per_2_shp_addr = 1033,
  64         .mcu_2_shp_addr = 961,
  65         .ata_2_mcu_addr = 1333,
  66         .mcu_2_ata_addr = 1252,
  67         .app_2_mcu_addr = 683,
  68         .shp_2_per_addr = 1111,
  69         .shp_2_mcu_addr = 892,
  70 };
  71
  72 static struct sdma_script_start_addrs imx35_to2_sdma_script __initdata = {
  73         .ap_2_ap_addr = 729,
  74         .uart_2_mcu_addr = 904,
  75         .per_2_app_addr = 1597,
  76         .mcu_2_app_addr = 834,
  77         .uartsh_2_mcu_addr = 1270,
  78         .per_2_shp_addr = 1120,
  79         .mcu_2_shp_addr = 1048,
  80         .ata_2_mcu_addr = 1429,
  81         .mcu_2_ata_addr = 1339,
  82         .app_2_per_addr = 1531,
  83         .app_2_mcu_addr = 770,
  84         .shp_2_per_addr = 1198,
  85         .shp_2_mcu_addr = 979,
  86 };
  87
  88 static struct sdma_platform_data imx35_sdma_pdata __initdata = {
  89         .sdma_version = 2,
  90         .fw_name = "sdma-imx35-to2.bin",
  91         .script_addrs = &imx35_to2_sdma_script,
  92 };
  93
  94 void __init imx35_soc_init(void)
  95 {
  96         int to_version = mx35_revision() >> 4;
  97
  98         /* i.mx35 has the i.mx31 type gpio */
  99         mxc_register_gpio("imx31-gpio", 0, MX35_GPIO1_BASE_ADDR, SZ_16K, MX35_INT_GPIO1, 0);
 100         mxc_register_gpio("imx31-gpio", 1, MX35_GPIO2_BASE_ADDR, SZ_16K, MX35_INT_GPIO2, 0);
 101         mxc_register_gpio("imx31-gpio", 2, MX35_GPIO3_BASE_ADDR, SZ_16K, MX35_INT_GPIO3, 0);
 102
 103         if (to_version == 1) {
 104                 strncpy(imx35_sdma_pdata.fw_name, "sdma-imx35-to1.bin",
 105                         strlen(imx35_sdma_pdata.fw_name));
 106                 imx35_sdma_pdata.script_addrs = &imx35_to1_sdma_script;
 107         }
 108
 109         imx_add_imx_sdma(MX35_SDMA_BASE_ADDR, MX35_INT_SDMA, &imx35_sdma_pdata);
 110 }