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         .mapbase        = 0xf8400000,
  65         .flags          = UPF_BOOT_AUTOCONF,
  66         .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
  67         .scbrr_algo_id  = SCBRR_ALGO_2,
  68         .type           = PORT_SCIF,
  69         .irqs           = SCIx_IRQ_MUXED(88),
  70 };
  71
  72 static struct platform_device scif0_device = {
  73         .name           = "sh-sci",
  74         .id             = 0,
  75         .dev            = {
  76                 .platform_data  = &scif0_platform_data,
  77         },
  78 };
  79
  80 static struct plat_sci_port scif1_platform_data = {
  81         .mapbase        = 0xf8410000,
  82         .flags          = UPF_BOOT_AUTOCONF,
  83         .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
  84         .scbrr_algo_id  = SCBRR_ALGO_2,
  85         .type           = PORT_SCIF,
  86         .irqs           = SCIx_IRQ_MUXED(92),
  87 };
  88
  89 static struct platform_device scif1_device = {
  90         .name           = "sh-sci",
  91         .id             = 1,
  92         .dev            = {
  93                 .platform_data  = &scif1_platform_data,
  94         },
  95 };
  96
  97 static struct plat_sci_port scif2_platform_data = {
  98         .mapbase        = 0xf8420000,
  99         .flags          = UPF_BOOT_AUTOCONF,
 100         .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
 101         .scbrr_algo_id  = SCBRR_ALGO_2,
 102         .type           = PORT_SCIF,
 103         .irqs           = SCIx_IRQ_MUXED(96),
 104 };
 105
 106 static struct platform_device scif2_device = {
 107         .name           = "sh-sci",
 108         .id             = 2,
 109         .dev            = {
 110                 .platform_data  = &scif2_platform_data,
 111         },
 112 };
 113
 114 static struct sh_eth_plat_data eth_platform_data = {
 115         .phy            = 1,
 116         .edmac_endian   = EDMAC_LITTLE_ENDIAN,
 117         .phy_interface  = PHY_INTERFACE_MODE_MII,
 118 };
 119
 120 static struct resource eth_resources[] = {
 121         [0] = {
 122                 .start = 0xfb000000,
 123                 .end = 0xfb0001c7,
 124                 .flags = IORESOURCE_MEM,
 125         },
 126         [1] = {
 127                 .start = 85,
 128                 .end = 85,
 129                 .flags = IORESOURCE_IRQ,
 130         },
 131 };
 132
 133 static struct platform_device eth_device = {
 134         .name = "sh7619-ether",
 135         .id = -1,
 136         .dev = {
 137                 .platform_data = &eth_platform_data,
 138         },
 139         .num_resources = ARRAY_SIZE(eth_resources),
 140         .resource = eth_resources,
 141 };
 142
 143 static struct sh_timer_config cmt0_platform_data = {
 144         .channel_offset = 0x02,
 145         .timer_bit = 0,
 146         .clockevent_rating = 125,
 147         .clocksource_rating = 0, /* disabled due to code generation issues */
 148 };
 149
 150 static struct resource cmt0_resources[] = {
 151         [0] = {
 152                 .start  = 0xf84a0072,
 153                 .end    = 0xf84a0077,
 154                 .flags  = IORESOURCE_MEM,
 155         },
 156         [1] = {
 157                 .start  = 86,
 158                 .flags  = IORESOURCE_IRQ,
 159         },
 160 };
 161
 162 static struct platform_device cmt0_device = {
 163         .name           = "sh_cmt",
 164         .id             = 0,
 165         .dev = {
 166                 .platform_data  = &cmt0_platform_data,
 167         },
 168         .resource       = cmt0_resources,
 169         .num_resources  = ARRAY_SIZE(cmt0_resources),
 170 };
 171
 172 static struct sh_timer_config cmt1_platform_data = {
 173         .channel_offset = 0x08,
 174         .timer_bit = 1,
 175         .clockevent_rating = 125,
 176         .clocksource_rating = 0, /* disabled due to code generation issues */
 177 };
 178
 179 static struct resource cmt1_resources[] = {
 180         [0] = {
 181                 .start  = 0xf84a0078,
 182                 .end    = 0xf84a007d,
 183                 .flags  = IORESOURCE_MEM,
 184         },
 185         [1] = {
 186                 .start  = 87,
 187                 .flags  = IORESOURCE_IRQ,
 188         },
 189 };
 190
 191 static struct platform_device cmt1_device = {
 192         .name           = "sh_cmt",
 193         .id             = 1,
 194         .dev = {
 195                 .platform_data  = &cmt1_platform_data,
 196         },
 197         .resource       = cmt1_resources,
 198         .num_resources  = ARRAY_SIZE(cmt1_resources),
 199 };
 200
 201 static struct platform_device *sh7619_devices[] __initdata = {
 202         &scif0_device,
 203         &scif1_device,
 204         &scif2_device,
 205         &eth_device,
 206         &cmt0_device,
 207         &cmt1_device,
 208 };
 209
 210 static int __init sh7619_devices_setup(void)
 211 {
 212         return platform_add_devices(sh7619_devices,
 213                                     ARRAY_SIZE(sh7619_devices));
 214 }
 215 arch_initcall(sh7619_devices_setup);
 216
 217 void __init plat_irq_setup(void)
 218 {
 219         register_intc_controller(&intc_desc);
 220 }
 221
 222 static struct platform_device *sh7619_early_devices[] __initdata = {
 223         &scif0_device,
 224         &scif1_device,
 225         &scif2_device,
 226         &cmt0_device,
 227         &cmt1_device,
 228 };
 229
 230 #define STBCR3 0xf80a0000
 231
 232 void __init plat_early_device_setup(void)
 233 {
 234         /* enable CMT clock */
 235         __raw_writeb(__raw_readb(STBCR3) & ~0x10, STBCR3);
 236
 237         early_platform_add_devices(sh7619_early_devices,
 238                                    ARRAY_SIZE(sh7619_early_devices));
 239 }