arch/sh/boards/renesas/rts7751r2d/setup.c

   1 /*
   2  * Renesas Technology Sales RTS7751R2D Support.
   3  *
   4  * Copyright (C) 2002 Atom Create Engineering Co., Ltd.
   5  * Copyright (C) 2004 - 2006 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/init.h>
  12 #include <linux/platform_device.h>
  13 #include <linux/serial_8250.h>
  14 #include <linux/pm.h>
  15 #include <asm/machvec.h>
  16 #include <asm/mach/rts7751r2d.h>
  17 #include <asm/io.h>
  18 #include <asm/voyagergx.h>
  19
  20 extern void heartbeat_rts7751r2d(void);
  21 extern void init_rts7751r2d_IRQ(void);
  22 extern int rts7751r2d_irq_demux(int irq);
  23
  24 extern void *voyagergx_consistent_alloc(struct device *, size_t, dma_addr_t *, gfp_t);
  25 extern int voyagergx_consistent_free(struct device *, size_t, void *, dma_addr_t);
  26
  27 static struct plat_serial8250_port uart_platform_data[] = {
  28         {
  29                 .membase        = (void *)VOYAGER_UART_BASE,
  30                 .mapbase        = VOYAGER_UART_BASE,
  31                 .iotype         = UPIO_MEM,
  32                 .irq            = VOYAGER_UART0_IRQ,
  33                 .flags          = UPF_BOOT_AUTOCONF,
  34                 .regshift       = 2,
  35                 .uartclk        = (9600 * 16),
  36         }, {
  37                 .flags          = 0,
  38         },
  39 };
  40
  41 static void __init voyagergx_serial_init(void)
  42 {
  43         unsigned long val;
  44
  45         /*
  46          * GPIO Control
  47          */
  48         val = inl(GPIO_MUX_HIGH);
  49         val |= 0x00001fe0;
  50         outl(val, GPIO_MUX_HIGH);
  51
  52         /*
  53          * Power Mode Gate
  54          */
  55         val = inl(POWER_MODE0_GATE);
  56         val |= (POWER_MODE0_GATE_U0 | POWER_MODE0_GATE_U1);
  57         outl(val, POWER_MODE0_GATE);
  58
  59         val = inl(POWER_MODE1_GATE);
  60         val |= (POWER_MODE1_GATE_U0 | POWER_MODE1_GATE_U1);
  61         outl(val, POWER_MODE1_GATE);
  62 }
  63
  64 static struct platform_device uart_device = {
  65         .name           = "serial8250",
  66         .id             = -1,
  67         .dev            = {
  68                 .platform_data  = uart_platform_data,
  69         },
  70 };
  71
  72 static struct resource heartbeat_resources[] = {
  73         [0] = {
  74                 .start  = PA_OUTPORT,
  75                 .end    = PA_OUTPORT + 8 - 1,
  76                 .flags  = IORESOURCE_MEM,
  77         },
  78 };
  79
  80 static struct platform_device heartbeat_device = {
  81         .name           = "heartbeat",
  82         .id             = -1,
  83         .num_resources  = ARRAY_SIZE(heartbeat_resources),
  84         .resource       = heartbeat_resources,
  85 };
  86
  87 static struct platform_device *rts7751r2d_devices[] __initdata = {
  88         &uart_device,
  89         &heartbeat_device,
  90 };
  91
  92 static int __init rts7751r2d_devices_setup(void)
  93 {
  94         return platform_add_devices(rts7751r2d_devices,
  95                                     ARRAY_SIZE(rts7751r2d_devices));
  96 }
  97
  98 static void rts7751r2d_power_off(void)
  99 {
 100         ctrl_outw(0x0001, PA_POWOFF);
 101 }
 102
 103 /*
 104  * Initialize the board
 105  */
 106 static void __init rts7751r2d_setup(char **cmdline_p)
 107 {
 108         device_initcall(rts7751r2d_devices_setup);
 109
 110         ctrl_outw(0x0000, PA_OUTPORT);
 111         pm_power_off = rts7751r2d_power_off;
 112
 113         voyagergx_serial_init();
 114
 115         printk(KERN_INFO "Renesas Technology Sales RTS7751R2D support.\n");
 116 }
 117
 118 /*
 119  * The Machine Vector
 120  */
 121 struct sh_machine_vector mv_rts7751r2d __initmv = {
 122         .mv_name                = "RTS7751R2D",
 123         .mv_setup               = rts7751r2d_setup,
 124         .mv_nr_irqs             = 72,
 125
 126         .mv_inb                 = rts7751r2d_inb,
 127         .mv_inw                 = rts7751r2d_inw,
 128         .mv_inl                 = rts7751r2d_inl,
 129         .mv_outb                = rts7751r2d_outb,
 130         .mv_outw                = rts7751r2d_outw,
 131         .mv_outl                = rts7751r2d_outl,
 132
 133         .mv_inb_p               = rts7751r2d_inb_p,
 134         .mv_inw_p               = rts7751r2d_inw,
 135         .mv_inl_p               = rts7751r2d_inl,
 136         .mv_outb_p              = rts7751r2d_outb_p,
 137         .mv_outw_p              = rts7751r2d_outw,
 138         .mv_outl_p              = rts7751r2d_outl,
 139
 140         .mv_insb                = rts7751r2d_insb,
 141         .mv_insw                = rts7751r2d_insw,
 142         .mv_insl                = rts7751r2d_insl,
 143         .mv_outsb               = rts7751r2d_outsb,
 144         .mv_outsw               = rts7751r2d_outsw,
 145         .mv_outsl               = rts7751r2d_outsl,
 146
 147         .mv_init_irq            = init_rts7751r2d_IRQ,
 148         .mv_irq_demux           = rts7751r2d_irq_demux,
 149
 150 #ifdef CONFIG_USB_SM501
 151         .mv_consistent_alloc    = voyagergx_consistent_alloc,
 152         .mv_consistent_free     = voyagergx_consistent_free,
 153 #endif
 154 };
 155 ALIAS_MV(rts7751r2d)