arch/arm/mach-shmobile/board-ag5evm.c

   1 /*
   2  * arch/arm/mach-shmobile/board-ag5evm.c
   3  *
   4  * Copyright (C) 2010  Takashi Yoshii <yoshii.takashi.zj@renesas.com>
   5  * Copyright (C) 2009  Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; version 2 of the License.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #include <linux/kernel.h>
  23 #include <linux/init.h>
  24 #include <linux/interrupt.h>
  25 #include <linux/irq.h>
  26 #include <linux/platform_device.h>
  27 #include <linux/delay.h>
  28 #include <linux/io.h>
  29 #include <linux/dma-mapping.h>
  30 #include <linux/serial_sci.h>
  31 #include <linux/smsc911x.h>
  32 #include <linux/gpio.h>
  33 #include <linux/input.h>
  34 #include <linux/input/sh_keysc.h>
  35
  36 #include <mach/hardware.h>
  37 #include <mach/sh73a0.h>
  38 #include <mach/common.h>
  39 #include <asm/mach-types.h>
  40 #include <asm/mach/arch.h>
  41 #include <asm/mach/map.h>
  42 #include <asm/mach/time.h>
  43 #include <asm/hardware/gic.h>
  44 #include <asm/hardware/cache-l2x0.h>
  45 #include <asm/traps.h>
  46
  47 static struct resource smsc9220_resources[] = {
  48         [0] = {
  49                 .start          = 0x14000000,
  50                 .end            = 0x14000000 + SZ_64K - 1,
  51                 .flags          = IORESOURCE_MEM,
  52         },
  53         [1] = {
  54                 .start          = gic_spi(33), /* PINT1 */
  55                 .flags          = IORESOURCE_IRQ,
  56         },
  57 };
  58
  59 static struct smsc911x_platform_config smsc9220_platdata = {
  60         .flags          = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
  61         .phy_interface  = PHY_INTERFACE_MODE_MII,
  62         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
  63         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
  64 };
  65
  66 static struct platform_device eth_device = {
  67         .name           = "smsc911x",
  68         .id             = 0,
  69         .dev  = {
  70                 .platform_data = &smsc9220_platdata,
  71         },
  72         .resource       = smsc9220_resources,
  73         .num_resources  = ARRAY_SIZE(smsc9220_resources),
  74 };
  75
  76 static struct sh_keysc_info keysc_platdata = {
  77         .mode           = SH_KEYSC_MODE_6,
  78         .scan_timing    = 3,
  79         .delay          = 100,
  80         .keycodes       = {
  81                 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E, KEY_F, KEY_G,
  82                 KEY_H, KEY_I, KEY_J, KEY_K, KEY_L, KEY_M, KEY_N,
  83                 KEY_O, KEY_P, KEY_Q, KEY_R, KEY_S, KEY_T, KEY_U,
  84                 KEY_V, KEY_W, KEY_X, KEY_Y, KEY_Z, KEY_HOME, KEY_SLEEP,
  85                 KEY_SPACE, KEY_9, KEY_6, KEY_3, KEY_WAKEUP, KEY_RIGHT, \
  86                 KEY_COFFEE,
  87                 KEY_0, KEY_8, KEY_5, KEY_2, KEY_DOWN, KEY_ENTER, KEY_UP,
  88                 KEY_KPASTERISK, KEY_7, KEY_4, KEY_1, KEY_STOP, KEY_LEFT, \
  89                 KEY_COMPUTER,
  90         },
  91 };
  92
  93 static struct resource keysc_resources[] = {
  94         [0] = {
  95                 .name   = "KEYSC",
  96                 .start  = 0xe61b0000,
  97                 .end    = 0xe61b0098 - 1,
  98                 .flags  = IORESOURCE_MEM,
  99         },
 100         [1] = {
 101                 .start  = gic_spi(71),
 102                 .flags  = IORESOURCE_IRQ,
 103         },
 104 };
 105
 106 static struct platform_device keysc_device = {
 107         .name           = "sh_keysc",
 108         .id             = 0,
 109         .num_resources  = ARRAY_SIZE(keysc_resources),
 110         .resource       = keysc_resources,
 111         .dev            = {
 112                 .platform_data  = &keysc_platdata,
 113         },
 114 };
 115
 116 static struct platform_device *ag5evm_devices[] __initdata = {
 117         &eth_device,
 118         &keysc_device,
 119 };
 120
 121 static struct map_desc ag5evm_io_desc[] __initdata = {
 122         /* create a 1:1 entity map for 0xe6xxxxxx
 123          * used by CPGA, INTC and PFC.
 124          */
 125         {
 126                 .virtual        = 0xe6000000,
 127                 .pfn            = __phys_to_pfn(0xe6000000),
 128                 .length         = 256 << 20,
 129                 .type           = MT_DEVICE_NONSHARED
 130         },
 131 };
 132
 133 static void __init ag5evm_map_io(void)
 134 {
 135         iotable_init(ag5evm_io_desc, ARRAY_SIZE(ag5evm_io_desc));
 136
 137         /* setup early devices and console here as well */
 138         sh73a0_add_early_devices();
 139         shmobile_setup_console();
 140 }
 141
 142 #define PINTC_ADDR      0xe6900000
 143 #define PINTER0A        (PINTC_ADDR + 0xa0)
 144 #define PINTCR0A        (PINTC_ADDR + 0xb0)
 145
 146 void __init ag5evm_init_irq(void)
 147 {
 148         /* setup PINT: enable PINTA2 as active low */
 149         __raw_writel(__raw_readl(PINTER0A) | (1<<29), PINTER0A);
 150         __raw_writew(__raw_readw(PINTCR0A) | (2<<10), PINTCR0A);
 151
 152         gic_dist_init(0, __io(0xf0001000), 29);
 153         gic_cpu_init(0, __io(0xf0000100));
 154 }
 155
 156 static void __init ag5evm_init(void)
 157 {
 158         sh73a0_pinmux_init();
 159
 160         /* enable SCIFA2 */
 161         gpio_request(GPIO_FN_SCIFA2_TXD1, NULL);
 162         gpio_request(GPIO_FN_SCIFA2_RXD1, NULL);
 163         gpio_request(GPIO_FN_SCIFA2_RTS1_, NULL);
 164         gpio_request(GPIO_FN_SCIFA2_CTS1_, NULL);
 165
 166         /* enable KEYSC */
 167         gpio_request(GPIO_FN_KEYIN0, NULL);
 168         gpio_request(GPIO_FN_KEYIN1, NULL);
 169         gpio_request(GPIO_FN_KEYIN2, NULL);
 170         gpio_request(GPIO_FN_KEYIN3, NULL);
 171         gpio_request(GPIO_FN_KEYIN4, NULL);
 172         gpio_request(GPIO_FN_KEYIN5, NULL);
 173         gpio_request(GPIO_FN_KEYIN6, NULL);
 174         gpio_request(GPIO_FN_KEYIN7, NULL);
 175         gpio_request(GPIO_FN_KEYOUT0, NULL);
 176         gpio_request(GPIO_FN_KEYOUT1, NULL);
 177         gpio_request(GPIO_FN_KEYOUT2, NULL);
 178         gpio_request(GPIO_FN_KEYOUT3, NULL);
 179         gpio_request(GPIO_FN_KEYOUT4, NULL);
 180         gpio_request(GPIO_FN_KEYOUT5, NULL);
 181         gpio_request(GPIO_FN_PORT59_KEYOUT6, NULL);
 182         gpio_request(GPIO_FN_PORT58_KEYOUT7, NULL);
 183         gpio_request(GPIO_FN_KEYOUT8, NULL);
 184         gpio_request(GPIO_FN_PORT149_KEYOUT9, NULL);
 185
 186         /* enable IC2 2 and 3 */
 187         gpio_request(GPIO_FN_PORT236_I2C_SDA2, NULL);
 188         gpio_request(GPIO_FN_PORT237_I2C_SCL2, NULL);
 189         gpio_request(GPIO_FN_PORT248_I2C_SCL3, NULL);
 190         gpio_request(GPIO_FN_PORT249_I2C_SDA3, NULL);
 191
 192         /* enable SMSC911X */
 193         gpio_request(GPIO_PORT144, NULL); /* PINTA2 */
 194         gpio_direction_input(GPIO_PORT144);
 195         gpio_request(GPIO_PORT145, NULL); /* RESET */
 196         gpio_direction_output(GPIO_PORT145, 1);
 197
 198 #ifdef CONFIG_CACHE_L2X0
 199         /* Shared attribute override enable, 64K*8way */
 200         l2x0_init(__io(0xf0100000), 0x00460000, 0xc2000fff);
 201 #endif
 202         sh73a0_add_standard_devices();
 203         platform_add_devices(ag5evm_devices, ARRAY_SIZE(ag5evm_devices));
 204 }
 205
 206 static void __init ag5evm_timer_init(void)
 207 {
 208         sh73a0_clock_init();
 209         shmobile_timer.init();
 210         return;
 211 }
 212
 213 struct sys_timer ag5evm_timer = {
 214         .init   = ag5evm_timer_init,
 215 };
 216
 217 MACHINE_START(AG5EVM, "ag5evm")
 218         .map_io         = ag5evm_map_io,
 219         .init_irq       = ag5evm_init_irq,
 220         .init_machine   = ag5evm_init,
 221         .timer          = &ag5evm_timer,
 222 MACHINE_END