kernel/arch/sh/boards/mach-se/7722/setup.c

   1 /*
   2  * linux/arch/sh/boards/se/7722/setup.c
   3  *
   4  * Copyright (C) 2007 Nobuhiro Iwamatsu
   5  * Copyright (C) 2012 Paul Mundt
   6  *
   7  * Hitachi UL SolutionEngine 7722 Support.
   8  *
   9  * This file is subject to the terms and conditions of the GNU General Public
  10  * License.  See the file "COPYING" in the main directory of this archive
  11  * for more details.
  12  *
  13  */
  14 #include <linux/init.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/ata_platform.h>
  17 #include <linux/input.h>
  18 #include <linux/input/sh_keysc.h>
  19 #include <linux/irqdomain.h>
  20 #include <linux/smc91x.h>
  21 #include <linux/sh_intc.h>
  22 #include <mach-se/mach/se7722.h>
  23 #include <mach-se/mach/mrshpc.h>
  24 #include <asm/machvec.h>
  25 #include <asm/clock.h>
  26 #include <asm/io.h>
  27 #include <asm/heartbeat.h>
  28 #include <cpu/sh7722.h>
  29
  30 /* Heartbeat */
  31 static struct resource heartbeat_resource = {
  32         .start  = PA_LED,
  33         .end    = PA_LED,
  34         .flags  = IORESOURCE_MEM | IORESOURCE_MEM_16BIT,
  35 };
  36
  37 static struct platform_device heartbeat_device = {
  38         .name           = "heartbeat",
  39         .id             = -1,
  40         .num_resources  = 1,
  41         .resource       = &heartbeat_resource,
  42 };
  43
  44 /* SMC91x */
  45 static struct smc91x_platdata smc91x_info = {
  46         .flags = SMC91X_USE_16BIT,
  47 };
  48
  49 static struct resource smc91x_eth_resources[] = {
  50         [0] = {
  51                 .name   = "smc91x-regs" ,
  52                 .start  = PA_LAN + 0x300,
  53                 .end    = PA_LAN + 0x300 + 0x10 ,
  54                 .flags  = IORESOURCE_MEM,
  55         },
  56         [1] = {
  57                 /* Filled in later */
  58                 .flags  = IORESOURCE_IRQ,
  59         },
  60 };
  61
  62 static struct platform_device smc91x_eth_device = {
  63         .name           = "smc91x",
  64         .id             = 0,
  65         .dev = {
  66                 .dma_mask               = NULL,         /* don't use dma */
  67                 .coherent_dma_mask      = 0xffffffff,
  68                 .platform_data  = &smc91x_info,
  69         },
  70         .num_resources  = ARRAY_SIZE(smc91x_eth_resources),
  71         .resource       = smc91x_eth_resources,
  72 };
  73
  74 static struct resource cf_ide_resources[] = {
  75         [0] = {
  76                 .start  = PA_MRSHPC_IO + 0x1f0,
  77                 .end    = PA_MRSHPC_IO + 0x1f0 + 8 ,
  78                 .flags  = IORESOURCE_IO,
  79         },
  80         [1] = {
  81                 .start  = PA_MRSHPC_IO + 0x1f0 + 0x206,
  82                 .end    = PA_MRSHPC_IO + 0x1f0 +8 + 0x206 + 8,
  83                 .flags  = IORESOURCE_IO,
  84         },
  85         [2] = {
  86                 /* Filled in later */
  87                 .flags  = IORESOURCE_IRQ,
  88         },
  89 };
  90
  91 static struct platform_device cf_ide_device  = {
  92         .name           = "pata_platform",
  93         .id             = -1,
  94         .num_resources  = ARRAY_SIZE(cf_ide_resources),
  95         .resource       = cf_ide_resources,
  96 };
  97
  98 static struct sh_keysc_info sh_keysc_info = {
  99         .mode = SH_KEYSC_MODE_1, /* KEYOUT0->5, KEYIN0->4 */
 100         .scan_timing = 3,
 101         .delay = 5,
 102         .keycodes = { /* SW1 -> SW30 */
 103                 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E,
 104                 KEY_F, KEY_G, KEY_H, KEY_I, KEY_J,
 105                 KEY_K, KEY_L, KEY_M, KEY_N, KEY_O,
 106                 KEY_P, KEY_Q, KEY_R, KEY_S, KEY_T,
 107                 KEY_U, KEY_V, KEY_W, KEY_X, KEY_Y,
 108                 KEY_Z,
 109                 KEY_HOME, KEY_SLEEP, KEY_WAKEUP, KEY_COFFEE, /* life */
 110         },
 111 };
 112
 113 static struct resource sh_keysc_resources[] = {
 114         [0] = {
 115                 .start  = 0x044b0000,
 116                 .end    = 0x044b000f,
 117                 .flags  = IORESOURCE_MEM,
 118         },
 119         [1] = {
 120                 .start  = evt2irq(0xbe0),
 121                 .flags  = IORESOURCE_IRQ,
 122         },
 123 };
 124
 125 static struct platform_device sh_keysc_device = {
 126         .name           = "sh_keysc",
 127         .id             = 0, /* "keysc0" clock */
 128         .num_resources  = ARRAY_SIZE(sh_keysc_resources),
 129         .resource       = sh_keysc_resources,
 130         .dev    = {
 131                 .platform_data  = &sh_keysc_info,
 132         },
 133 };
 134
 135 static struct platform_device *se7722_devices[] __initdata = {
 136         &heartbeat_device,
 137         &smc91x_eth_device,
 138         &cf_ide_device,
 139         &sh_keysc_device,
 140 };
 141
 142 static int __init se7722_devices_setup(void)
 143 {
 144         mrshpc_setup_windows();
 145
 146         /* Wire-up dynamic vectors */
 147         cf_ide_resources[2].start = cf_ide_resources[2].end =
 148                 irq_find_mapping(se7722_irq_domain, SE7722_FPGA_IRQ_MRSHPC0);
 149
 150         smc91x_eth_resources[1].start = smc91x_eth_resources[1].end =
 151                 irq_find_mapping(se7722_irq_domain, SE7722_FPGA_IRQ_SMC);
 152
 153         return platform_add_devices(se7722_devices, ARRAY_SIZE(se7722_devices));
 154 }
 155 device_initcall(se7722_devices_setup);
 156
 157 static void __init se7722_setup(char **cmdline_p)
 158 {
 159         __raw_writew(0x010D, FPGA_OUT);    /* FPGA */
 160
 161         __raw_writew(0x0000, PORT_PECR);   /* PORT E 1 = IRQ5 ,E 0 = BS */
 162         __raw_writew(0x1000, PORT_PJCR);   /* PORT J 1 = IRQ1,J 0 =IRQ0 */
 163
 164         /* LCDC I/O */
 165         __raw_writew(0x0020, PORT_PSELD);
 166
 167         /* SIOF1*/
 168         __raw_writew(0x0003, PORT_PSELB);
 169         __raw_writew(0xe000, PORT_PSELC);
 170         __raw_writew(0x0000, PORT_PKCR);
 171
 172         /* LCDC */
 173         __raw_writew(0x4020, PORT_PHCR);
 174         __raw_writew(0x0000, PORT_PLCR);
 175         __raw_writew(0x0000, PORT_PMCR);
 176         __raw_writew(0x0002, PORT_PRCR);
 177         __raw_writew(0x0000, PORT_PXCR);   /* LCDC,CS6A */
 178
 179         /* KEYSC */
 180         __raw_writew(0x0A10, PORT_PSELA); /* BS,SHHID2 */
 181         __raw_writew(0x0000, PORT_PYCR);
 182         __raw_writew(0x0000, PORT_PZCR);
 183         __raw_writew(__raw_readw(PORT_HIZCRA) & ~0x4000, PORT_HIZCRA);
 184         __raw_writew(__raw_readw(PORT_HIZCRC) & ~0xc000, PORT_HIZCRC);
 185 }
 186
 187 /*
 188  * The Machine Vector
 189  */
 190 static struct sh_machine_vector mv_se7722 __initmv = {
 191         .mv_name                = "Solution Engine 7722" ,
 192         .mv_setup               = se7722_setup ,
 193         .mv_init_irq            = init_se7722_IRQ,
 194 };