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

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * linux/arch/sh/boards/se/7722/setup.c
   4  *
   5  * Copyright (C) 2007 Nobuhiro Iwamatsu
   6  * Copyright (C) 2012 Paul Mundt
   7  *
   8  * Hitachi UL SolutionEngine 7722 Support.
   9  */
  10 #include <linux/init.h>
  11 #include <linux/platform_device.h>
  12 #include <linux/ata_platform.h>
  13 #include <linux/input.h>
  14 #include <linux/input/sh_keysc.h>
  15 #include <linux/irqdomain.h>
  16 #include <linux/smc91x.h>
  17 #include <linux/sh_intc.h>
  18 #include <mach-se/mach/se7722.h>
  19 #include <mach-se/mach/mrshpc.h>
  20 #include <asm/machvec.h>
  21 #include <asm/clock.h>
  22 #include <asm/io.h>
  23 #include <asm/heartbeat.h>
  24 #include <cpu/sh7722.h>
  25
  26 /* Heartbeat */
  27 static struct resource heartbeat_resource = {
  28         .start  = PA_LED,
  29         .end    = PA_LED,
  30         .flags  = IORESOURCE_MEM | IORESOURCE_MEM_16BIT,
  31 };
  32
  33 static struct platform_device heartbeat_device = {
  34         .name           = "heartbeat",
  35         .id             = -1,
  36         .num_resources  = 1,
  37         .resource       = &heartbeat_resource,
  38 };
  39
  40 /* SMC91x */
  41 static struct smc91x_platdata smc91x_info = {
  42         .flags = SMC91X_USE_16BIT,
  43 };
  44
  45 static struct resource smc91x_eth_resources[] = {
  46         [0] = {
  47                 .name   = "smc91x-regs" ,
  48                 .start  = PA_LAN + 0x300,
  49                 .end    = PA_LAN + 0x300 + 0x10 ,
  50                 .flags  = IORESOURCE_MEM,
  51         },
  52         [1] = {
  53                 /* Filled in later */
  54                 .flags  = IORESOURCE_IRQ,
  55         },
  56 };
  57
  58 static struct platform_device smc91x_eth_device = {
  59         .name           = "smc91x",
  60         .id             = 0,
  61         .dev = {
  62                 .dma_mask               = NULL,         /* don't use dma */
  63                 .coherent_dma_mask      = 0xffffffff,
  64                 .platform_data  = &smc91x_info,
  65         },
  66         .num_resources  = ARRAY_SIZE(smc91x_eth_resources),
  67         .resource       = smc91x_eth_resources,
  68 };
  69
  70 static struct resource cf_ide_resources[] = {
  71         [0] = {
  72                 .start  = PA_MRSHPC_IO + 0x1f0,
  73                 .end    = PA_MRSHPC_IO + 0x1f0 + 8 ,
  74                 .flags  = IORESOURCE_IO,
  75         },
  76         [1] = {
  77                 .start  = PA_MRSHPC_IO + 0x1f0 + 0x206,
  78                 .end    = PA_MRSHPC_IO + 0x1f0 +8 + 0x206 + 8,
  79                 .flags  = IORESOURCE_IO,
  80         },
  81         [2] = {
  82                 /* Filled in later */
  83                 .flags  = IORESOURCE_IRQ,
  84         },
  85 };
  86
  87 static struct platform_device cf_ide_device  = {
  88         .name           = "pata_platform",
  89         .id             = -1,
  90         .num_resources  = ARRAY_SIZE(cf_ide_resources),
  91         .resource       = cf_ide_resources,
  92 };
  93
  94 static struct sh_keysc_info sh_keysc_info = {
  95         .mode = SH_KEYSC_MODE_1, /* KEYOUT0->5, KEYIN0->4 */
  96         .scan_timing = 3,
  97         .delay = 5,
  98         .keycodes = { /* SW1 -> SW30 */
  99                 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E,
 100                 KEY_F, KEY_G, KEY_H, KEY_I, KEY_J,
 101                 KEY_K, KEY_L, KEY_M, KEY_N, KEY_O,
 102                 KEY_P, KEY_Q, KEY_R, KEY_S, KEY_T,
 103                 KEY_U, KEY_V, KEY_W, KEY_X, KEY_Y,
 104                 KEY_Z,
 105                 KEY_HOME, KEY_SLEEP, KEY_WAKEUP, KEY_COFFEE, /* life */
 106         },
 107 };
 108
 109 static struct resource sh_keysc_resources[] = {
 110         [0] = {
 111                 .start  = 0x044b0000,
 112                 .end    = 0x044b000f,
 113                 .flags  = IORESOURCE_MEM,
 114         },
 115         [1] = {
 116                 .start  = evt2irq(0xbe0),
 117                 .flags  = IORESOURCE_IRQ,
 118         },
 119 };
 120
 121 static struct platform_device sh_keysc_device = {
 122         .name           = "sh_keysc",
 123         .id             = 0, /* "keysc0" clock */
 124         .num_resources  = ARRAY_SIZE(sh_keysc_resources),
 125         .resource       = sh_keysc_resources,
 126         .dev    = {
 127                 .platform_data  = &sh_keysc_info,
 128         },
 129 };
 130
 131 static struct platform_device *se7722_devices[] __initdata = {
 132         &heartbeat_device,
 133         &smc91x_eth_device,
 134         &cf_ide_device,
 135         &sh_keysc_device,
 136 };
 137
 138 static int __init se7722_devices_setup(void)
 139 {
 140         mrshpc_setup_windows();
 141
 142         /* Wire-up dynamic vectors */
 143         cf_ide_resources[2].start = cf_ide_resources[2].end =
 144                 irq_find_mapping(se7722_irq_domain, SE7722_FPGA_IRQ_MRSHPC0);
 145
 146         smc91x_eth_resources[1].start = smc91x_eth_resources[1].end =
 147                 irq_find_mapping(se7722_irq_domain, SE7722_FPGA_IRQ_SMC);
 148
 149         return platform_add_devices(se7722_devices, ARRAY_SIZE(se7722_devices));
 150 }
 151 device_initcall(se7722_devices_setup);
 152
 153 static void __init se7722_setup(char **cmdline_p)
 154 {
 155         __raw_writew(0x010D, FPGA_OUT);    /* FPGA */
 156
 157         __raw_writew(0x0000, PORT_PECR);   /* PORT E 1 = IRQ5 ,E 0 = BS */
 158         __raw_writew(0x1000, PORT_PJCR);   /* PORT J 1 = IRQ1,J 0 =IRQ0 */
 159
 160         /* LCDC I/O */
 161         __raw_writew(0x0020, PORT_PSELD);
 162
 163         /* SIOF1*/
 164         __raw_writew(0x0003, PORT_PSELB);
 165         __raw_writew(0xe000, PORT_PSELC);
 166         __raw_writew(0x0000, PORT_PKCR);
 167
 168         /* LCDC */
 169         __raw_writew(0x4020, PORT_PHCR);
 170         __raw_writew(0x0000, PORT_PLCR);
 171         __raw_writew(0x0000, PORT_PMCR);
 172         __raw_writew(0x0002, PORT_PRCR);
 173         __raw_writew(0x0000, PORT_PXCR);   /* LCDC,CS6A */
 174
 175         /* KEYSC */
 176         __raw_writew(0x0A10, PORT_PSELA); /* BS,SHHID2 */
 177         __raw_writew(0x0000, PORT_PYCR);
 178         __raw_writew(0x0000, PORT_PZCR);
 179         __raw_writew(__raw_readw(PORT_HIZCRA) & ~0x4000, PORT_HIZCRA);
 180         __raw_writew(__raw_readw(PORT_HIZCRC) & ~0xc000, PORT_HIZCRC);
 181 }
 182
 183 /*
 184  * The Machine Vector
 185  */
 186 static struct sh_machine_vector mv_se7722 __initmv = {
 187         .mv_name                = "Solution Engine 7722" ,
 188         .mv_setup               = se7722_setup ,
 189         .mv_init_irq            = init_se7722_IRQ,
 190 };