kernel/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 <linux/irqdomain.h>
   9 #include <asm/machvec.h>
  10 #include <mach-se/mach/se7343.h>
  11 #include <asm/heartbeat.h>
  12 #include <asm/irq.h>
  13 #include <asm/io.h>
  14
  15 static struct resource heartbeat_resource = {
  16         .start  = PA_LED,
  17         .end    = PA_LED,
  18         .flags  = IORESOURCE_MEM | IORESOURCE_MEM_16BIT,
  19 };
  20
  21 static struct platform_device heartbeat_device = {
  22         .name           = "heartbeat",
  23         .id             = -1,
  24         .num_resources  = 1,
  25         .resource       = &heartbeat_resource,
  26 };
  27
  28 static struct mtd_partition nor_flash_partitions[] = {
  29         {
  30                 .name           = "loader",
  31                 .offset         = 0x00000000,
  32                 .size           = 128 * 1024,
  33         },
  34         {
  35                 .name           = "rootfs",
  36                 .offset         = MTDPART_OFS_APPEND,
  37                 .size           = 31 * 1024 * 1024,
  38         },
  39         {
  40                 .name           = "data",
  41                 .offset         = MTDPART_OFS_APPEND,
  42                 .size           = MTDPART_SIZ_FULL,
  43         },
  44 };
  45
  46 static struct physmap_flash_data nor_flash_data = {
  47         .width          = 2,
  48         .parts          = nor_flash_partitions,
  49         .nr_parts       = ARRAY_SIZE(nor_flash_partitions),
  50 };
  51
  52 static struct resource nor_flash_resources[] = {
  53         [0]     = {
  54                 .start  = 0x00000000,
  55                 .end    = 0x01ffffff,
  56                 .flags  = IORESOURCE_MEM,
  57         }
  58 };
  59
  60 static struct platform_device nor_flash_device = {
  61         .name           = "physmap-flash",
  62         .dev            = {
  63                 .platform_data  = &nor_flash_data,
  64         },
  65         .num_resources  = ARRAY_SIZE(nor_flash_resources),
  66         .resource       = nor_flash_resources,
  67 };
  68
  69 #define ST16C2550C_FLAGS (UPF_BOOT_AUTOCONF | UPF_IOREMAP)
  70
  71 static struct plat_serial8250_port serial_platform_data[] = {
  72         [0] = {
  73                 .iotype         = UPIO_MEM,
  74                 .mapbase        = 0x16000000,
  75                 .regshift       = 1,
  76                 .flags          = ST16C2550C_FLAGS,
  77                 .uartclk        = 7372800,
  78         },
  79         [1] = {
  80                 .iotype         = UPIO_MEM,
  81                 .mapbase        = 0x17000000,
  82                 .regshift       = 1,
  83                 .flags          = ST16C2550C_FLAGS,
  84                 .uartclk        = 7372800,
  85         },
  86         { },
  87 };
  88
  89 static struct platform_device uart_device = {
  90         .name                   = "serial8250",
  91         .id                     = PLAT8250_DEV_PLATFORM,
  92         .dev                    = {
  93                 .platform_data  = serial_platform_data,
  94         },
  95 };
  96
  97 static void isp116x_delay(struct device *dev, int delay)
  98 {
  99         ndelay(delay);
 100 }
 101
 102 static struct resource usb_resources[] = {
 103         [0] = {
 104                 .start  = 0x11800000,
 105                 .end    = 0x11800001,
 106                 .flags  = IORESOURCE_MEM,
 107         },
 108         [1] = {
 109                 .start  = 0x11800002,
 110                 .end    = 0x11800003,
 111                 .flags  = IORESOURCE_MEM,
 112         },
 113         [2] = {
 114                 /* Filled in later */
 115                 .flags  = IORESOURCE_IRQ,
 116         },
 117 };
 118
 119 static struct isp116x_platform_data usb_platform_data = {
 120         .sel15Kres              = 1,
 121         .oc_enable              = 1,
 122         .int_act_high           = 0,
 123         .int_edge_triggered     = 0,
 124         .remote_wakeup_enable   = 0,
 125         .delay                  = isp116x_delay,
 126 };
 127
 128 static struct platform_device usb_device = {
 129         .name                   = "isp116x-hcd",
 130         .id                     = -1,
 131         .num_resources          = ARRAY_SIZE(usb_resources),
 132         .resource               = usb_resources,
 133         .dev                    = {
 134                 .platform_data  = &usb_platform_data,
 135         },
 136
 137 };
 138
 139 static struct platform_device *sh7343se_platform_devices[] __initdata = {
 140         &heartbeat_device,
 141         &nor_flash_device,
 142         &uart_device,
 143         &usb_device,
 144 };
 145
 146 static int __init sh7343se_devices_setup(void)
 147 {
 148         /* Wire-up dynamic vectors */
 149         serial_platform_data[0].irq = irq_find_mapping(se7343_irq_domain,
 150                                                        SE7343_FPGA_IRQ_UARTA);
 151         serial_platform_data[1].irq = irq_find_mapping(se7343_irq_domain,
 152                                                        SE7343_FPGA_IRQ_UARTB);
 153         usb_resources[2].start = usb_resources[2].end =
 154                 irq_find_mapping(se7343_irq_domain, SE7343_FPGA_IRQ_USB);
 155
 156         return platform_add_devices(sh7343se_platform_devices,
 157                                     ARRAY_SIZE(sh7343se_platform_devices));
 158 }
 159 device_initcall(sh7343se_devices_setup);
 160
 161 /*
 162  * Initialize the board
 163  */
 164 static void __init sh7343se_setup(char **cmdline_p)
 165 {
 166         __raw_writew(0xf900, FPGA_OUT); /* FPGA */
 167
 168         __raw_writew(0x0002, PORT_PECR);        /* PORT E 1 = IRQ5 */
 169         __raw_writew(0x0020, PORT_PSELD);
 170
 171         printk(KERN_INFO "MS7343CP01 Setup...done\n");
 172 }
 173
 174 /*
 175  * The Machine Vector
 176  */
 177 static struct sh_machine_vector mv_7343se __initmv = {
 178         .mv_name = "SolutionEngine 7343",
 179         .mv_setup = sh7343se_setup,
 180         .mv_init_irq = init_7343se_IRQ,
 181 };