release/src-rt-6.x.4708/linux/linux-2.6.36/arch/sh/boards/mach-se/7343/setup.c

   1 #include <linux/init.h>
   2 #include <linux/platform_device.h>
   3 #include <linux/mtd/physmap.h>
   4 #include <linux/serial_8250.h>
   5 #include <linux/serial_reg.h>
   6 #include <linux/usb/isp116x.h>
   7 #include <linux/delay.h>
   8 #include <asm/machvec.h>
   9 #include <mach-se/mach/se7343.h>
  10 #include <asm/heartbeat.h>
  11 #include <asm/irq.h>
  12 #include <asm/io.h>
  13
  14 static struct resource heartbeat_resource = {
  15         .start  = PA_LED,
  16         .end    = PA_LED,
  17         .flags  = IORESOURCE_MEM | IORESOURCE_MEM_16BIT,
  18 };
  19
  20 static struct platform_device heartbeat_device = {
  21         .name           = "heartbeat",
  22         .id             = -1,
  23         .num_resources  = 1,
  24         .resource       = &heartbeat_resource,
  25 };
  26
  27 static struct mtd_partition nor_flash_partitions[] = {
  28         {
  29                 .name           = "loader",
  30                 .offset         = 0x00000000,
  31                 .size           = 128 * 1024,
  32         },
  33         {
  34                 .name           = "rootfs",
  35                 .offset         = MTDPART_OFS_APPEND,
  36                 .size           = 31 * 1024 * 1024,
  37         },
  38         {
  39                 .name           = "data",
  40                 .offset         = MTDPART_OFS_APPEND,
  41                 .size           = MTDPART_SIZ_FULL,
  42         },
  43 };
  44
  45 static struct physmap_flash_data nor_flash_data = {
  46         .width          = 2,
  47         .parts          = nor_flash_partitions,
  48         .nr_parts       = ARRAY_SIZE(nor_flash_partitions),
  49 };
  50
  51 static struct resource nor_flash_resources[] = {
  52         [0]     = {
  53                 .start  = 0x00000000,
  54                 .end    = 0x01ffffff,
  55                 .flags  = IORESOURCE_MEM,
  56         }
  57 };
  58
  59 static struct platform_device nor_flash_device = {
  60         .name           = "physmap-flash",
  61         .dev            = {
  62                 .platform_data  = &nor_flash_data,
  63         },
  64         .num_resources  = ARRAY_SIZE(nor_flash_resources),
  65         .resource       = nor_flash_resources,
  66 };
  67
  68 #define ST16C2550C_FLAGS (UPF_BOOT_AUTOCONF | UPF_IOREMAP)
  69
  70 static struct plat_serial8250_port serial_platform_data[] = {
  71         [0] = {
  72                 .iotype         = UPIO_MEM,
  73                 .mapbase        = 0x16000000,
  74                 .regshift       = 1,
  75                 .flags          = ST16C2550C_FLAGS,
  76                 .uartclk        = 7372800,
  77         },
  78         [1] = {
  79                 .iotype         = UPIO_MEM,
  80                 .mapbase        = 0x17000000,
  81                 .regshift       = 1,
  82                 .flags          = ST16C2550C_FLAGS,
  83                 .uartclk        = 7372800,
  84         },
  85         { },
  86 };
  87
  88 static struct platform_device uart_device = {
  89         .name                   = "serial8250",
  90         .id                     = PLAT8250_DEV_PLATFORM,
  91         .dev                    = {
  92                 .platform_data  = serial_platform_data,
  93         },
  94 };
  95
  96 static void isp116x_delay(struct device *dev, int delay)
  97 {
  98         ndelay(delay);
  99 }
 100
 101 static struct resource usb_resources[] = {
 102         [0] = {
 103                 .start  = 0x11800000,
 104                 .end    = 0x11800001,
 105                 .flags  = IORESOURCE_MEM,
 106         },
 107         [1] = {
 108                 .start  = 0x11800002,
 109                 .end    = 0x11800003,
 110                 .flags  = IORESOURCE_MEM,
 111         },
 112         [2] = {
 113                 /* Filled in later */
 114                 .flags  = IORESOURCE_IRQ,
 115         },
 116 };
 117
 118 static struct isp116x_platform_data usb_platform_data = {
 119         .sel15Kres              = 1,
 120         .oc_enable              = 1,
 121         .int_act_high           = 0,
 122         .int_edge_triggered     = 0,
 123         .remote_wakeup_enable   = 0,
 124         .delay                  = isp116x_delay,
 125 };
 126
 127 static struct platform_device usb_device = {
 128         .name                   = "isp116x-hcd",
 129         .id                     = -1,
 130         .num_resources          = ARRAY_SIZE(usb_resources),
 131         .resource               = usb_resources,
 132         .dev                    = {
 133                 .platform_data  = &usb_platform_data,
 134         },
 135
 136 };
 137
 138 static struct platform_device *sh7343se_platform_devices[] __initdata = {
 139         &heartbeat_device,
 140         &nor_flash_device,
 141         &uart_device,
 142         &usb_device,
 143 };
 144
 145 static int __init sh7343se_devices_setup(void)
 146 {
 147         /* Wire-up dynamic vectors */
 148         serial_platform_data[0].irq = se7343_fpga_irq[SE7343_FPGA_IRQ_UARTA];
 149         serial_platform_data[1].irq = se7343_fpga_irq[SE7343_FPGA_IRQ_UARTB];
 150
 151         usb_resources[2].start = usb_resources[2].end =
 152                 se7343_fpga_irq[SE7343_FPGA_IRQ_USB];
 153
 154         return platform_add_devices(sh7343se_platform_devices,
 155                                     ARRAY_SIZE(sh7343se_platform_devices));
 156 }
 157 device_initcall(sh7343se_devices_setup);
 158
 159 /*
 160  * Initialize the board
 161  */
 162 static void __init sh7343se_setup(char **cmdline_p)
 163 {
 164         __raw_writew(0xf900, FPGA_OUT); /* FPGA */
 165
 166         __raw_writew(0x0002, PORT_PECR);        /* PORT E 1 = IRQ5 */
 167         __raw_writew(0x0020, PORT_PSELD);
 168
 169         printk(KERN_INFO "MS7343CP01 Setup...done\n");
 170 }
 171
 172 /*
 173  * The Machine Vector
 174  */
 175 static struct sh_machine_vector mv_7343se __initmv = {
 176         .mv_name = "SolutionEngine 7343",
 177         .mv_setup = sh7343se_setup,
 178         .mv_init_irq = init_7343se_IRQ,
 179 };