arch/sh/kernel/cpu/sh2/setup-sh7619.c

   1 /*
   2  * SH7619 Setup
   3  *
   4  *  Copyright (C) 2006  Yoshinori Sato
   5  *  Copyright (C) 2009  Paul Mundt
   6  *
   7  * This file is subject to the terms and conditions of the GNU General Public
   8  * License.  See the file "COPYING" in the main directory of this archive
   9  * for more details.
  10  */
  11 #include <linux/platform_device.h>
  12 #include <linux/init.h>
  13 #include <linux/serial.h>
  14 #include <linux/serial_sci.h>
  15 #include <linux/sh_eth.h>
  16 #include <linux/sh_timer.h>
  17 #include <linux/io.h>
  18
  19 enum {
  20         UNUSED = 0,
  21
  22         /* interrupt sources */
  23         IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
  24         WDT, EDMAC, CMT0, CMT1,
  25         SCIF0, SCIF1, SCIF2,
  26         HIF_HIFI, HIF_HIFBI,
  27         DMAC0, DMAC1, DMAC2, DMAC3,
  28         SIOF,
  29 };
  30
  31 static struct intc_vect vectors[] __initdata = {
  32         INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65),
  33         INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67),
  34         INTC_IRQ(IRQ4, 80), INTC_IRQ(IRQ5, 81),
  35         INTC_IRQ(IRQ6, 82), INTC_IRQ(IRQ7, 83),
  36         INTC_IRQ(WDT, 84), INTC_IRQ(EDMAC, 85),
  37         INTC_IRQ(CMT0, 86), INTC_IRQ(CMT1, 87),
  38         INTC_IRQ(SCIF0, 88), INTC_IRQ(SCIF0, 89),
  39         INTC_IRQ(SCIF0, 90), INTC_IRQ(SCIF0, 91),
  40         INTC_IRQ(SCIF1, 92), INTC_IRQ(SCIF1, 93),
  41         INTC_IRQ(SCIF1, 94), INTC_IRQ(SCIF1, 95),
  42         INTC_IRQ(SCIF2, 96), INTC_IRQ(SCIF2, 97),
  43         INTC_IRQ(SCIF2, 98), INTC_IRQ(SCIF2, 99),
  44         INTC_IRQ(HIF_HIFI, 100), INTC_IRQ(HIF_HIFBI, 101),
  45         INTC_IRQ(DMAC0, 104), INTC_IRQ(DMAC1, 105),
  46         INTC_IRQ(DMAC2, 106), INTC_IRQ(DMAC3, 107),
  47         INTC_IRQ(SIOF, 108),
  48 };
  49
  50 static struct intc_prio_reg prio_registers[] __initdata = {
  51         { 0xf8140006, 0, 16, 4, /* IPRA */ { IRQ0, IRQ1, IRQ2, IRQ3 } },
  52         { 0xf8140008, 0, 16, 4, /* IPRB */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
  53         { 0xf8080000, 0, 16, 4, /* IPRC */ { WDT, EDMAC, CMT0, CMT1 } },
  54         { 0xf8080002, 0, 16, 4, /* IPRD */ { SCIF0, SCIF1, SCIF2 } },
  55         { 0xf8080004, 0, 16, 4, /* IPRE */ { HIF_HIFI, HIF_HIFBI } },
  56         { 0xf8080006, 0, 16, 4, /* IPRF */ { DMAC0, DMAC1, DMAC2, DMAC3 } },
  57         { 0xf8080008, 0, 16, 4, /* IPRG */ { SIOF } },
  58 };
  59
  60 static DECLARE_INTC_DESC(intc_desc, "sh7619", vectors, NULL,
  61                          NULL, prio_registers, NULL);
  62
  63 static struct plat_sci_port scif0_platform_data = {
  64         .scscr          = SCSCR_REIE,
  65         .type           = PORT_SCIF,
  66 };
  67
  68 static struct resource scif0_resources[] = {
  69         DEFINE_RES_MEM(0xf8400000, 0x100),
  70         DEFINE_RES_IRQ(88),
  71 };
  72
  73 static struct platform_device scif0_device = {
  74         .name           = "sh-sci",
  75         .id             = 0,
  76         .resource       = scif0_resources,
  77         .num_resources  = ARRAY_SIZE(scif0_resources),
  78         .dev            = {
  79                 .platform_data  = &scif0_platform_data,
  80         },
  81 };
  82
  83 static struct plat_sci_port scif1_platform_data = {
  84         .scscr          = SCSCR_REIE,
  85         .type           = PORT_SCIF,
  86 };
  87
  88 static struct resource scif1_resources[] = {
  89         DEFINE_RES_MEM(0xf8410000, 0x100),
  90         DEFINE_RES_IRQ(92),
  91 };
  92
  93 static struct platform_device scif1_device = {
  94         .name           = "sh-sci",
  95         .id             = 1,
  96         .resource       = scif1_resources,
  97         .num_resources  = ARRAY_SIZE(scif1_resources),
  98         .dev            = {
  99                 .platform_data  = &scif1_platform_data,
 100         },
 101 };
 102
 103 static struct plat_sci_port scif2_platform_data = {
 104         .scscr          = SCSCR_REIE,
 105         .type           = PORT_SCIF,
 106 };
 107
 108 static struct resource scif2_resources[] = {
 109         DEFINE_RES_MEM(0xf8420000, 0x100),
 110         DEFINE_RES_IRQ(96),
 111 };
 112
 113 static struct platform_device scif2_device = {
 114         .name           = "sh-sci",
 115         .id             = 2,
 116         .resource       = scif2_resources,
 117         .num_resources  = ARRAY_SIZE(scif2_resources),
 118         .dev            = {
 119                 .platform_data  = &scif2_platform_data,
 120         },
 121 };
 122
 123 static struct sh_eth_plat_data eth_platform_data = {
 124         .phy            = 1,
 125         .edmac_endian   = EDMAC_LITTLE_ENDIAN,
 126         .phy_interface  = PHY_INTERFACE_MODE_MII,
 127 };
 128
 129 static struct resource eth_resources[] = {
 130         [0] = {
 131                 .start = 0xfb000000,
 132                 .end = 0xfb0001c7,
 133                 .flags = IORESOURCE_MEM,
 134         },
 135         [1] = {
 136                 .start = 85,
 137                 .end = 85,
 138                 .flags = IORESOURCE_IRQ,
 139         },
 140 };
 141
 142 static struct platform_device eth_device = {
 143         .name = "sh7619-ether",
 144         .id = -1,
 145         .dev = {
 146                 .platform_data = &eth_platform_data,
 147         },
 148         .num_resources = ARRAY_SIZE(eth_resources),
 149         .resource = eth_resources,
 150 };
 151
 152 static struct sh_timer_config cmt_platform_data = {
 153         .channels_mask = 3,
 154 };
 155
 156 static struct resource cmt_resources[] = {
 157         DEFINE_RES_MEM(0xf84a0070, 0x10),
 158         DEFINE_RES_IRQ(86),
 159         DEFINE_RES_IRQ(87),
 160 };
 161
 162 static struct platform_device cmt_device = {
 163         .name           = "sh-cmt-16",
 164         .id             = 0,
 165         .dev = {
 166                 .platform_data  = &cmt_platform_data,
 167         },
 168         .resource       = cmt_resources,
 169         .num_resources  = ARRAY_SIZE(cmt_resources),
 170 };
 171
 172 static struct platform_device *sh7619_devices[] __initdata = {
 173         &scif0_device,
 174         &scif1_device,
 175         &scif2_device,
 176         &eth_device,
 177         &cmt_device,
 178 };
 179
 180 static int __init sh7619_devices_setup(void)
 181 {
 182         return platform_add_devices(sh7619_devices,
 183                                     ARRAY_SIZE(sh7619_devices));
 184 }
 185 arch_initcall(sh7619_devices_setup);
 186
 187 void __init plat_irq_setup(void)
 188 {
 189         register_intc_controller(&intc_desc);
 190 }
 191
 192 static struct platform_device *sh7619_early_devices[] __initdata = {
 193         &scif0_device,
 194         &scif1_device,
 195         &scif2_device,
 196         &cmt_device,
 197 };
 198
 199 #define STBCR3 0xf80a0000
 200
 201 void __init plat_early_device_setup(void)
 202 {
 203         /* enable CMT clock */
 204         __raw_writeb(__raw_readb(STBCR3) & ~0x10, STBCR3);
 205
 206         early_platform_add_devices(sh7619_early_devices,
 207                                    ARRAY_SIZE(sh7619_early_devices));
 208 }