arch/sh/boards/mach-se/7780/setup.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * linux/arch/sh/boards/se/7780/setup.c
   4  *
   5  * Copyright (C) 2006,2007  Nobuhiro Iwamatsu
   6  *
   7  * Hitachi UL SolutionEngine 7780 Support.
   8  */
   9 #include <linux/init.h>
  10 #include <linux/platform_device.h>
  11 #include <asm/machvec.h>
  12 #include <mach-se/mach/se7780.h>
  13 #include <asm/io.h>
  14 #include <asm/heartbeat.h>
  15
  16 /* Heartbeat */
  17 static struct resource heartbeat_resource = {
  18         .start  = PA_LED,
  19         .end    = PA_LED,
  20         .flags  = IORESOURCE_MEM | IORESOURCE_MEM_16BIT,
  21 };
  22
  23 static struct platform_device heartbeat_device = {
  24         .name           = "heartbeat",
  25         .id             = -1,
  26         .num_resources  = 1,
  27         .resource       = &heartbeat_resource,
  28 };
  29
  30 /* SMC91x */
  31 static struct resource smc91x_eth_resources[] = {
  32         [0] = {
  33                 .name   = "smc91x-regs" ,
  34                 .start  = PA_LAN + 0x300,
  35                 .end    = PA_LAN + 0x300 + 0x10 ,
  36                 .flags  = IORESOURCE_MEM,
  37         },
  38         [1] = {
  39                 .start  = SMC_IRQ,
  40                 .end    = SMC_IRQ,
  41                 .flags  = IORESOURCE_IRQ,
  42         },
  43 };
  44
  45 static struct platform_device smc91x_eth_device = {
  46         .name           = "smc91x",
  47         .id             = 0,
  48         .dev = {
  49                 .dma_mask               = NULL,         /* don't use dma */
  50                 .coherent_dma_mask      = 0xffffffff,
  51         },
  52         .num_resources  = ARRAY_SIZE(smc91x_eth_resources),
  53         .resource       = smc91x_eth_resources,
  54 };
  55
  56 static struct platform_device *se7780_devices[] __initdata = {
  57         &heartbeat_device,
  58         &smc91x_eth_device,
  59 };
  60
  61 static int __init se7780_devices_setup(void)
  62 {
  63         return platform_add_devices(se7780_devices,
  64                 ARRAY_SIZE(se7780_devices));
  65 }
  66 device_initcall(se7780_devices_setup);
  67
  68 #define GPIO_PHCR        0xFFEA000E
  69 #define GPIO_PMSELR      0xFFEA0080
  70 #define GPIO_PECR        0xFFEA0008
  71
  72 static void __init se7780_setup(char **cmdline_p)
  73 {
  74         /* "SH-Linux" on LED Display */
  75         __raw_writew( 'S' , PA_LED_DISP + (DISP_SEL0_ADDR << 1) );
  76         __raw_writew( 'H' , PA_LED_DISP + (DISP_SEL1_ADDR << 1) );
  77         __raw_writew( '-' , PA_LED_DISP + (DISP_SEL2_ADDR << 1) );
  78         __raw_writew( 'L' , PA_LED_DISP + (DISP_SEL3_ADDR << 1) );
  79         __raw_writew( 'i' , PA_LED_DISP + (DISP_SEL4_ADDR << 1) );
  80         __raw_writew( 'n' , PA_LED_DISP + (DISP_SEL5_ADDR << 1) );
  81         __raw_writew( 'u' , PA_LED_DISP + (DISP_SEL6_ADDR << 1) );
  82         __raw_writew( 'x' , PA_LED_DISP + (DISP_SEL7_ADDR << 1) );
  83
  84         printk(KERN_INFO "Hitachi UL Solutions Engine 7780SE03 support.\n");
  85
  86         /*
  87          * PCI REQ/GNT setting
  88          *   REQ0/GNT0 -> USB
  89          *   REQ1/GNT1 -> PC Card
  90          *   REQ2/GNT2 -> Serial ATA
  91          *   REQ3/GNT3 -> PCI slot
  92          */
  93         __raw_writew(0x0213, FPGA_REQSEL);
  94
  95         /* GPIO setting */
  96         __raw_writew(0x0000, GPIO_PECR);
  97         __raw_writew(__raw_readw(GPIO_PHCR)&0xfff3, GPIO_PHCR);
  98         __raw_writew(0x0c00, GPIO_PMSELR);
  99
 100         /* iVDR Power ON */
 101         __raw_writew(0x0001, FPGA_IVDRPW);
 102 }
 103
 104 /*
 105  * The Machine Vector
 106  */
 107 static struct sh_machine_vector mv_se7780 __initmv = {
 108         .mv_name                = "Solution Engine 7780" ,
 109         .mv_setup               = se7780_setup ,
 110         .mv_init_irq            = init_se7780_IRQ,
 111 };