arch/arm/mach-imx/mm-imx5.c

   1 /*
   2  * Copyright 2008-2010 Freescale Semiconductor, Inc. All Rights Reserved.
   3  *
   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:
   7  *
   8  * http://www.opensource.org/licenses/gpl-license.html
   9  * http://www.gnu.org/copyleft/gpl.html
  10  *
  11  * Create static mapping between physical to virtual memory.
  12  */
  13
  14 #include <linux/mm.h>
  15 #include <linux/init.h>
  16 #include <linux/clk.h>
  17 #include <linux/pinctrl/machine.h>
  18
  19 #include <asm/system_misc.h>
  20 #include <asm/mach/map.h>
  21
  22 #include <mach/hardware.h>
  23 #include <mach/common.h>
  24 #include <mach/devices-common.h>
  25 #include <mach/iomux-v3.h>
  26
  27 static struct clk *gpc_dvfs_clk;
  28
  29 static void imx5_idle(void)
  30 {
  31         /* gpc clock is needed for SRPG */
  32         if (gpc_dvfs_clk == NULL) {
  33                 gpc_dvfs_clk = clk_get(NULL, "gpc_dvfs");
  34                 if (IS_ERR(gpc_dvfs_clk))
  35                         return;
  36                 clk_prepare(gpc_dvfs_clk);
  37         }
  38         clk_enable(gpc_dvfs_clk);
  39         mx5_cpu_lp_set(WAIT_UNCLOCKED_POWER_OFF);
  40         if (!tzic_enable_wake())
  41                 cpu_do_idle();
  42         clk_disable(gpc_dvfs_clk);
  43 }
  44
  45 /*
  46  * Define the MX50 memory map.
  47  */
  48 static struct map_desc mx50_io_desc[] __initdata = {
  49         imx_map_entry(MX50, TZIC, MT_DEVICE),
  50         imx_map_entry(MX50, SPBA0, MT_DEVICE),
  51         imx_map_entry(MX50, AIPS1, MT_DEVICE),
  52         imx_map_entry(MX50, AIPS2, MT_DEVICE),
  53 };
  54
  55 /*
  56  * Define the MX51 memory map.
  57  */
  58 static struct map_desc mx51_io_desc[] __initdata = {
  59         imx_map_entry(MX51, TZIC, MT_DEVICE),
  60         imx_map_entry(MX51, IRAM, MT_DEVICE),
  61         imx_map_entry(MX51, AIPS1, MT_DEVICE),
  62         imx_map_entry(MX51, SPBA0, MT_DEVICE),
  63         imx_map_entry(MX51, AIPS2, MT_DEVICE),
  64 };
  65
  66 /*
  67  * Define the MX53 memory map.
  68  */
  69 static struct map_desc mx53_io_desc[] __initdata = {
  70         imx_map_entry(MX53, TZIC, MT_DEVICE),
  71         imx_map_entry(MX53, AIPS1, MT_DEVICE),
  72         imx_map_entry(MX53, SPBA0, MT_DEVICE),
  73         imx_map_entry(MX53, AIPS2, MT_DEVICE),
  74 };
  75
  76 /*
  77  * This function initializes the memory map. It is called during the
  78  * system startup to create static physical to virtual memory mappings
  79  * for the IO modules.
  80  */
  81 void __init mx50_map_io(void)
  82 {
  83         iotable_init(mx50_io_desc, ARRAY_SIZE(mx50_io_desc));
  84 }
  85
  86 void __init mx51_map_io(void)
  87 {
  88         iotable_init(mx51_io_desc, ARRAY_SIZE(mx51_io_desc));
  89 }
  90
  91 void __init mx53_map_io(void)
  92 {
  93         iotable_init(mx53_io_desc, ARRAY_SIZE(mx53_io_desc));
  94 }
  95
  96 void __init imx50_init_early(void)
  97 {
  98         mxc_set_cpu_type(MXC_CPU_MX50);
  99         mxc_iomux_v3_init(MX50_IO_ADDRESS(MX50_IOMUXC_BASE_ADDR));
 100         mxc_arch_reset_init(MX50_IO_ADDRESS(MX50_WDOG_BASE_ADDR));
 101 }
 102
 103 void __init imx51_init_early(void)
 104 {
 105         mxc_set_cpu_type(MXC_CPU_MX51);
 106         mxc_iomux_v3_init(MX51_IO_ADDRESS(MX51_IOMUXC_BASE_ADDR));
 107         mxc_arch_reset_init(MX51_IO_ADDRESS(MX51_WDOG1_BASE_ADDR));
 108         arm_pm_idle = imx5_idle;
 109 }
 110
 111 void __init imx53_init_early(void)
 112 {
 113         mxc_set_cpu_type(MXC_CPU_MX53);
 114         mxc_iomux_v3_init(MX53_IO_ADDRESS(MX53_IOMUXC_BASE_ADDR));
 115         mxc_arch_reset_init(MX53_IO_ADDRESS(MX53_WDOG1_BASE_ADDR));
 116 }
 117
 118 void __init mx50_init_irq(void)
 119 {
 120         tzic_init_irq(MX50_IO_ADDRESS(MX50_TZIC_BASE_ADDR));
 121 }
 122
 123 void __init mx51_init_irq(void)
 124 {
 125         tzic_init_irq(MX51_IO_ADDRESS(MX51_TZIC_BASE_ADDR));
 126 }
 127
 128 void __init mx53_init_irq(void)
 129 {
 130         tzic_init_irq(MX53_IO_ADDRESS(MX53_TZIC_BASE_ADDR));
 131 }
 132
 133 static struct sdma_script_start_addrs imx51_sdma_script __initdata = {
 134         .ap_2_ap_addr = 642,
 135         .uart_2_mcu_addr = 817,
 136         .mcu_2_app_addr = 747,
 137         .mcu_2_shp_addr = 961,
 138         .ata_2_mcu_addr = 1473,
 139         .mcu_2_ata_addr = 1392,
 140         .app_2_per_addr = 1033,
 141         .app_2_mcu_addr = 683,
 142         .shp_2_per_addr = 1251,
 143         .shp_2_mcu_addr = 892,
 144 };
 145
 146 static struct sdma_platform_data imx51_sdma_pdata __initdata = {
 147         .fw_name = "sdma-imx51.bin",
 148         .script_addrs = &imx51_sdma_script,
 149 };
 150
 151 static struct sdma_script_start_addrs imx53_sdma_script __initdata = {
 152         .ap_2_ap_addr = 642,
 153         .app_2_mcu_addr = 683,
 154         .mcu_2_app_addr = 747,
 155         .uart_2_mcu_addr = 817,
 156         .shp_2_mcu_addr = 891,
 157         .mcu_2_shp_addr = 960,
 158         .uartsh_2_mcu_addr = 1032,
 159         .spdif_2_mcu_addr = 1100,
 160         .mcu_2_spdif_addr = 1134,
 161         .firi_2_mcu_addr = 1193,
 162         .mcu_2_firi_addr = 1290,
 163 };
 164
 165 static struct sdma_platform_data imx53_sdma_pdata __initdata = {
 166         .fw_name = "sdma-imx53.bin",
 167         .script_addrs = &imx53_sdma_script,
 168 };
 169
 170 static const struct resource imx50_audmux_res[] __initconst = {
 171         DEFINE_RES_MEM(MX50_AUDMUX_BASE_ADDR, SZ_16K),
 172 };
 173
 174 static const struct resource imx51_audmux_res[] __initconst = {
 175         DEFINE_RES_MEM(MX51_AUDMUX_BASE_ADDR, SZ_16K),
 176 };
 177
 178 static const struct resource imx53_audmux_res[] __initconst = {
 179         DEFINE_RES_MEM(MX53_AUDMUX_BASE_ADDR, SZ_16K),
 180 };
 181
 182 void __init imx50_soc_init(void)
 183 {
 184         /* i.mx50 has the i.mx31 type gpio */
 185         mxc_register_gpio("imx31-gpio", 0, MX50_GPIO1_BASE_ADDR, SZ_16K, MX50_INT_GPIO1_LOW, MX50_INT_GPIO1_HIGH);
 186         mxc_register_gpio("imx31-gpio", 1, MX50_GPIO2_BASE_ADDR, SZ_16K, MX50_INT_GPIO2_LOW, MX50_INT_GPIO2_HIGH);
 187         mxc_register_gpio("imx31-gpio", 2, MX50_GPIO3_BASE_ADDR, SZ_16K, MX50_INT_GPIO3_LOW, MX50_INT_GPIO3_HIGH);
 188         mxc_register_gpio("imx31-gpio", 3, MX50_GPIO4_BASE_ADDR, SZ_16K, MX50_INT_GPIO4_LOW, MX50_INT_GPIO4_HIGH);
 189         mxc_register_gpio("imx31-gpio", 4, MX50_GPIO5_BASE_ADDR, SZ_16K, MX50_INT_GPIO5_LOW, MX50_INT_GPIO5_HIGH);
 190         mxc_register_gpio("imx31-gpio", 5, MX50_GPIO6_BASE_ADDR, SZ_16K, MX50_INT_GPIO6_LOW, MX50_INT_GPIO6_HIGH);
 191
 192         /* i.mx50 has the i.mx31 type audmux */
 193         platform_device_register_simple("imx31-audmux", 0, imx50_audmux_res,
 194                                         ARRAY_SIZE(imx50_audmux_res));
 195 }
 196
 197 void __init imx51_soc_init(void)
 198 {
 199         /* i.mx51 has the i.mx31 type gpio */
 200         mxc_register_gpio("imx31-gpio", 0, MX51_GPIO1_BASE_ADDR, SZ_16K, MX51_INT_GPIO1_LOW, MX51_INT_GPIO1_HIGH);
 201         mxc_register_gpio("imx31-gpio", 1, MX51_GPIO2_BASE_ADDR, SZ_16K, MX51_INT_GPIO2_LOW, MX51_INT_GPIO2_HIGH);
 202         mxc_register_gpio("imx31-gpio", 2, MX51_GPIO3_BASE_ADDR, SZ_16K, MX51_INT_GPIO3_LOW, MX51_INT_GPIO3_HIGH);
 203         mxc_register_gpio("imx31-gpio", 3, MX51_GPIO4_BASE_ADDR, SZ_16K, MX51_INT_GPIO4_LOW, MX51_INT_GPIO4_HIGH);
 204
 205         /* i.mx51 has the i.mx35 type sdma */
 206         imx_add_imx_sdma("imx35-sdma", MX51_SDMA_BASE_ADDR, MX51_INT_SDMA, &imx51_sdma_pdata);
 207
 208         /* Setup AIPS registers */
 209         imx_set_aips(MX51_IO_ADDRESS(MX51_AIPS1_BASE_ADDR));
 210         imx_set_aips(MX51_IO_ADDRESS(MX51_AIPS2_BASE_ADDR));
 211
 212         /* i.mx51 has the i.mx31 type audmux */
 213         platform_device_register_simple("imx31-audmux", 0, imx51_audmux_res,
 214                                         ARRAY_SIZE(imx51_audmux_res));
 215 }
 216
 217 void __init imx53_soc_init(void)
 218 {
 219         /* i.mx53 has the i.mx31 type gpio */
 220         mxc_register_gpio("imx31-gpio", 0, MX53_GPIO1_BASE_ADDR, SZ_16K, MX53_INT_GPIO1_LOW, MX53_INT_GPIO1_HIGH);
 221         mxc_register_gpio("imx31-gpio", 1, MX53_GPIO2_BASE_ADDR, SZ_16K, MX53_INT_GPIO2_LOW, MX53_INT_GPIO2_HIGH);
 222         mxc_register_gpio("imx31-gpio", 2, MX53_GPIO3_BASE_ADDR, SZ_16K, MX53_INT_GPIO3_LOW, MX53_INT_GPIO3_HIGH);
 223         mxc_register_gpio("imx31-gpio", 3, MX53_GPIO4_BASE_ADDR, SZ_16K, MX53_INT_GPIO4_LOW, MX53_INT_GPIO4_HIGH);
 224         mxc_register_gpio("imx31-gpio", 4, MX53_GPIO5_BASE_ADDR, SZ_16K, MX53_INT_GPIO5_LOW, MX53_INT_GPIO5_HIGH);
 225         mxc_register_gpio("imx31-gpio", 5, MX53_GPIO6_BASE_ADDR, SZ_16K, MX53_INT_GPIO6_LOW, MX53_INT_GPIO6_HIGH);
 226         mxc_register_gpio("imx31-gpio", 6, MX53_GPIO7_BASE_ADDR, SZ_16K, MX53_INT_GPIO7_LOW, MX53_INT_GPIO7_HIGH);
 227
 228         pinctrl_provide_dummies();
 229         /* i.mx53 has the i.mx35 type sdma */
 230         imx_add_imx_sdma("imx35-sdma", MX53_SDMA_BASE_ADDR, MX53_INT_SDMA, &imx53_sdma_pdata);
 231
 232         /* Setup AIPS registers */
 233         imx_set_aips(MX53_IO_ADDRESS(MX53_AIPS1_BASE_ADDR));
 234         imx_set_aips(MX53_IO_ADDRESS(MX53_AIPS2_BASE_ADDR));
 235
 236         /* i.mx53 has the i.mx31 type audmux */
 237         platform_device_register_simple("imx31-audmux", 0, imx53_audmux_res,
 238                                         ARRAY_SIZE(imx53_audmux_res));
 239 }
 240
 241 void __init imx51_init_late(void)
 242 {
 243         mx51_neon_fixup();
 244 }