linux/arch/sh/boards/mach-se/7343/setup.c
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   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
  16static struct resource heartbeat_resource = {
  17        .start  = PA_LED,
  18        .end    = PA_LED,
  19        .flags  = IORESOURCE_MEM | IORESOURCE_MEM_16BIT,
  20};
  21
  22static struct platform_device heartbeat_device = {
  23        .name           = "heartbeat",
  24        .id             = -1,
  25        .num_resources  = 1,
  26        .resource       = &heartbeat_resource,
  27};
  28
  29static 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
  47static 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
  53static struct resource nor_flash_resources[] = {
  54        [0]     = {
  55                .start  = 0x00000000,
  56                .end    = 0x01ffffff,
  57                .flags  = IORESOURCE_MEM,
  58        }
  59};
  60
  61static 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
  72static 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
  90static struct platform_device uart_device = {
  91        .name                   = "serial8250",
  92        .id                     = PLAT8250_DEV_PLATFORM,
  93        .dev                    = {
  94                .platform_data  = serial_platform_data,
  95        },
  96};
  97
  98static void isp116x_delay(struct device *dev, int delay)
  99{
 100        ndelay(delay);
 101}
 102
 103static 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
 120static 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
 129static 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
 140static struct platform_device *sh7343se_platform_devices[] __initdata = {
 141        &heartbeat_device,
 142        &nor_flash_device,
 143        &uart_device,
 144        &usb_device,
 145};
 146
 147static 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}
 160device_initcall(sh7343se_devices_setup);
 161
 162/*
 163 * Initialize the board
 164 */
 165static 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 */
 178static 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};
 183