arch/sh/kernel/cpu/sh5/setup-sh5.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * SH5-101/SH5-103 CPU Setup
   4  *
   5  *  Copyright (C) 2009  Paul Mundt
   6  */
   7 #include <linux/platform_device.h>
   8 #include <linux/init.h>
   9 #include <linux/serial.h>
  10 #include <linux/serial_sci.h>
  11 #include <linux/io.h>
  12 #include <linux/mm.h>
  13 #include <linux/sh_timer.h>
  14 #include <asm/addrspace.h>
  15 #include <asm/platform_early.h>
  16
  17 static struct plat_sci_port scif0_platform_data = {
  18         .flags          = UPF_IOREMAP,
  19         .scscr          = SCSCR_REIE,
  20         .type           = PORT_SCIF,
  21 };
  22
  23 static struct resource scif0_resources[] = {
  24         DEFINE_RES_MEM(PHYS_PERIPHERAL_BLOCK + 0x01030000, 0x100),
  25         DEFINE_RES_IRQ(39),
  26         DEFINE_RES_IRQ(40),
  27         DEFINE_RES_IRQ(42),
  28 };
  29
  30 static struct platform_device scif0_device = {
  31         .name           = "sh-sci",
  32         .id             = 0,
  33         .resource       = scif0_resources,
  34         .num_resources  = ARRAY_SIZE(scif0_resources),
  35         .dev            = {
  36                 .platform_data  = &scif0_platform_data,
  37         },
  38 };
  39
  40 static struct resource rtc_resources[] = {
  41         [0] = {
  42                 .start  = PHYS_PERIPHERAL_BLOCK + 0x01040000,
  43                 .end    = PHYS_PERIPHERAL_BLOCK + 0x01040000 + 0x58 - 1,
  44                 .flags  = IORESOURCE_IO,
  45         },
  46         [1] = {
  47                 /* Period IRQ */
  48                 .start  = IRQ_PRI,
  49                 .flags  = IORESOURCE_IRQ,
  50         },
  51         [2] = {
  52                 /* Carry IRQ */
  53                 .start  = IRQ_CUI,
  54                 .flags  = IORESOURCE_IRQ,
  55         },
  56         [3] = {
  57                 /* Alarm IRQ */
  58                 .start  = IRQ_ATI,
  59                 .flags  = IORESOURCE_IRQ,
  60         },
  61 };
  62
  63 static struct platform_device rtc_device = {
  64         .name           = "sh-rtc",
  65         .id             = -1,
  66         .num_resources  = ARRAY_SIZE(rtc_resources),
  67         .resource       = rtc_resources,
  68 };
  69
  70 #define TMU_BLOCK_OFF   0x01020000
  71 #define TMU_BASE        PHYS_PERIPHERAL_BLOCK + TMU_BLOCK_OFF
  72
  73 static struct sh_timer_config tmu0_platform_data = {
  74         .channels_mask = 7,
  75 };
  76
  77 static struct resource tmu0_resources[] = {
  78         DEFINE_RES_MEM(TMU_BASE, 0x30),
  79         DEFINE_RES_IRQ(IRQ_TUNI0),
  80         DEFINE_RES_IRQ(IRQ_TUNI1),
  81         DEFINE_RES_IRQ(IRQ_TUNI2),
  82 };
  83
  84 static struct platform_device tmu0_device = {
  85         .name           = "sh-tmu",
  86         .id             = 0,
  87         .dev = {
  88                 .platform_data  = &tmu0_platform_data,
  89         },
  90         .resource       = tmu0_resources,
  91         .num_resources  = ARRAY_SIZE(tmu0_resources),
  92 };
  93
  94 static struct platform_device *sh5_early_devices[] __initdata = {
  95         &scif0_device,
  96         &tmu0_device,
  97 };
  98
  99 static struct platform_device *sh5_devices[] __initdata = {
 100         &rtc_device,
 101 };
 102
 103 static int __init sh5_devices_setup(void)
 104 {
 105         int ret;
 106
 107         ret = platform_add_devices(sh5_early_devices,
 108                                    ARRAY_SIZE(sh5_early_devices));
 109         if (unlikely(ret != 0))
 110                 return ret;
 111
 112         return platform_add_devices(sh5_devices,
 113                                     ARRAY_SIZE(sh5_devices));
 114 }
 115 arch_initcall(sh5_devices_setup);
 116
 117 void __init plat_early_device_setup(void)
 118 {
 119         early_platform_add_devices(sh5_early_devices,
 120                                    ARRAY_SIZE(sh5_early_devices));
 121 }