arch/sh/boards/mach-se/7343/setup.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <linux/init.h>
   3 #include <linux/platform_device.h>
   4 #include <linux/mtd/physmap.h>
   5 #include <linux/serial_8250.h>
   6 #include <linux/serial_reg.h>
   7 #include <linux/usb/isp116x.h>
   8 #include <linux/delay.h>
   9 #include <linux/irqdomain.h>
  10 #include <asm/machvec.h>
  11 #include <mach-se/mach/se7343.h>
  12 #include <asm/heartbeat.h>
  13 #include <asm/irq.h>
  14 #include <asm/io.h>
  15
  16 static struct resource heartbeat_resource = {
  17         .start  = PA_LED,
  18         .end    = PA_LED,
  19         .flags  = IORESOURCE_MEM | IORESOURCE_MEM_16BIT,
  20 };
  21
  22 static struct platform_device heartbeat_device = {
  23         .name           = "heartbeat",
  24         .id             = -1,
  25         .num_resources  = 1,
  26         .resource       = &heartbeat_resource,
  27 };
  28
  29 static struct mtd_partition nor_flash_partitions[] = {
  30         {
  31                 .name           = "loader",
  32                 .offset         = 0x00000000,
  33                 .size           = 128 * 1024,
  34         },
  35         {
  36                 .name           = "rootfs",
  37                 .offset         = MTDPART_OFS_APPEND,
  38                 .size           = 31 * 1024 * 1024,
  39         },
  40         {
  41                 .name           = "data",
  42                 .offset         = MTDPART_OFS_APPEND,
  43                 .size           = MTDPART_SIZ_FULL,
  44         },
  45 };
  46
  47 static struct physmap_flash_data nor_flash_data = {
  48         .width          = 2,
  49         .parts          = nor_flash_partitions,
  50         .nr_parts       = ARRAY_SIZE(nor_flash_partitions),
  51 };
  52
  53 static struct resource nor_flash_resources[] = {
  54         [0]     = {
  55                 .start  = 0x00000000,
  56                 .end    = 0x01ffffff,
  57                 .flags  = IORESOURCE_MEM,
  58         }
  59 };
  60
  61 static struct platform_device nor_flash_device = {
  62         .name           = "physmap-flash",
  63         .dev            = {
  64                 .platform_data  = &nor_flash_data,
  65         },
  66         .num_resources  = ARRAY_SIZE(nor_flash_resources),
  67         .resource       = nor_flash_resources,
  68 };
  69
  70 #define ST16C2550C_FLAGS (UPF_BOOT_AUTOCONF | UPF_IOREMAP)
  71
  72 static struct plat_serial8250_port serial_platform_data[] = {
  73         [0] = {
  74                 .iotype         = UPIO_MEM,
  75                 .mapbase        = 0x16000000,
  76                 .regshift       = 1,
  77                 .flags          = ST16C2550C_FLAGS,
  78                 .uartclk        = 7372800,
  79         },
  80         [1] = {
  81                 .iotype         = UPIO_MEM,
  82                 .mapbase        = 0x17000000,
  83                 .regshift       = 1,
  84                 .flags          = ST16C2550C_FLAGS,
  85                 .uartclk        = 7372800,
  86         },
  87         { },
  88 };
  89
  90 static struct platform_device uart_device = {
  91         .name                   = "serial8250",
  92         .id                     = PLAT8250_DEV_PLATFORM,
  93         .dev                    = {
  94                 .platform_data  = serial_platform_data,
  95         },
  96 };
  97
  98 static void isp116x_delay(struct device *dev, int delay)
  99 {
 100         ndelay(delay);
 101 }
 102
 103 static struct resource usb_resources[] = {
 104         [0] = {
 105                 .start  = 0x11800000,
 106                 .end    = 0x11800001,
 107                 .flags  = IORESOURCE_MEM,
 108         },
 109         [1] = {
 110                 .start  = 0x11800002,
 111                 .end    = 0x11800003,
 112                 .flags  = IORESOURCE_MEM,
 113         },
 114         [2] = {
 115                 /* Filled in later */
 116                 .flags  = IORESOURCE_IRQ,
 117         },
 118 };
 119
 120 static struct isp116x_platform_data usb_platform_data = {
 121         .sel15Kres              = 1,
 122         .oc_enable              = 1,
 123         .int_act_high           = 0,
 124         .int_edge_triggered     = 0,
 125         .remote_wakeup_enable   = 0,
 126         .delay                  = isp116x_delay,
 127 };
 128
 129 static struct platform_device usb_device = {
 130         .name                   = "isp116x-hcd",
 131         .id                     = -1,
 132         .num_resources          = ARRAY_SIZE(usb_resources),
 133         .resource               = usb_resources,
 134         .dev                    = {
 135                 .platform_data  = &usb_platform_data,
 136         },
 137
 138 };
 139
 140 static struct platform_device *sh7343se_platform_devices[] __initdata = {
 141         &heartbeat_device,
 142         &nor_flash_device,
 143         &uart_device,
 144         &usb_device,
 145 };
 146
 147 static int __init sh7343se_devices_setup(void)
 148 {
 149         /* Wire-up dynamic vectors */
 150         serial_platform_data[0].irq = irq_find_mapping(se7343_irq_domain,
 151                                                        SE7343_FPGA_IRQ_UARTA);
 152         serial_platform_data[1].irq = irq_find_mapping(se7343_irq_domain,
 153                                                        SE7343_FPGA_IRQ_UARTB);
 154         usb_resources[2].start = usb_resources[2].end =
 155                 irq_find_mapping(se7343_irq_domain, SE7343_FPGA_IRQ_USB);
 156
 157         return platform_add_devices(sh7343se_platform_devices,
 158                                     ARRAY_SIZE(sh7343se_platform_devices));
 159 }
 160 device_initcall(sh7343se_devices_setup);
 161
 162 /*
 163  * Initialize the board
 164  */
 165 static void __init sh7343se_setup(char **cmdline_p)
 166 {
 167         __raw_writew(0xf900, FPGA_OUT); /* FPGA */
 168
 169         __raw_writew(0x0002, PORT_PECR);        /* PORT E 1 = IRQ5 */
 170         __raw_writew(0x0020, PORT_PSELD);
 171
 172         printk(KERN_INFO "MS7343CP01 Setup...done\n");
 173 }
 174
 175 /*
 176  * The Machine Vector
 177  */
 178 static struct sh_machine_vector mv_7343se __initmv = {
 179         .mv_name = "SolutionEngine 7343",
 180         .mv_setup = sh7343se_setup,
 181         .mv_init_irq = init_7343se_IRQ,
 182 };