arch/arm/mach-netx/nxdb500.c

   1 /*
   2  * arch/arm/mach-netx/nxdb500.c
   3  *
   4  * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2
   8  * as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  */
  19
  20 #include <linux/dma-mapping.h>
  21 #include <linux/init.h>
  22 #include <linux/interrupt.h>
  23 #include <linux/mtd/plat-ram.h>
  24 #include <linux/platform_device.h>
  25 #include <linux/amba/bus.h>
  26 #include <linux/amba/clcd.h>
  27
  28 #include <mach/hardware.h>
  29 #include <asm/mach-types.h>
  30 #include <asm/mach/arch.h>
  31 #include <asm/hardware/vic.h>
  32 #include <mach/netx-regs.h>
  33 #include <linux/platform_data/eth-netx.h>
  34
  35 #include "generic.h"
  36 #include "fb.h"
  37
  38 static struct clcd_panel qvga = {
  39         .mode           = {
  40                 .name           = "QVGA",
  41                 .refresh        = 60,
  42                 .xres           = 240,
  43                 .yres           = 320,
  44                 .pixclock       = 187617,
  45                 .left_margin    = 6,
  46                 .right_margin   = 26,
  47                 .upper_margin   = 0,
  48                 .lower_margin   = 6,
  49                 .hsync_len      = 6,
  50                 .vsync_len      = 1,
  51                 .sync           = 0,
  52                 .vmode          = FB_VMODE_NONINTERLACED,
  53         },
  54         .width          = -1,
  55         .height         = -1,
  56         .tim2           =  16,
  57         .cntl           = CNTL_LCDTFT | CNTL_BGR,
  58         .bpp            = 16,
  59         .grayscale      = 0,
  60 };
  61
  62 static inline int nxdb500_check(struct clcd_fb *fb, struct fb_var_screeninfo *var)
  63 {
  64         var->green.length = 5;
  65         var->green.msb_right = 0;
  66
  67         return clcdfb_check(fb, var);
  68 }
  69
  70 static int nxdb500_clcd_setup(struct clcd_fb *fb)
  71 {
  72         unsigned int val;
  73
  74         fb->fb.var.green.length = 5;
  75         fb->fb.var.green.msb_right = 0;
  76
  77         /* enable asic control */
  78         val = readl(NETX_SYSTEM_IOC_ACCESS_KEY);
  79         writel(val, NETX_SYSTEM_IOC_ACCESS_KEY);
  80
  81         writel(3, NETX_SYSTEM_IOC_CR);
  82
  83         val = readl(NETX_PIO_OUTPIO);
  84         writel(val | 1, NETX_PIO_OUTPIO);
  85
  86         val = readl(NETX_PIO_OEPIO);
  87         writel(val | 1, NETX_PIO_OEPIO);
  88         return netx_clcd_setup(fb);
  89 }
  90
  91 static struct clcd_board clcd_data = {
  92         .name           = "netX",
  93         .check          = nxdb500_check,
  94         .decode         = clcdfb_decode,
  95         .enable         = netx_clcd_enable,
  96         .setup          = nxdb500_clcd_setup,
  97         .mmap           = netx_clcd_mmap,
  98         .remove         = netx_clcd_remove,
  99 };
 100
 101 static struct netxeth_platform_data eth0_platform_data = {
 102         .xcno = 0,
 103 };
 104
 105 static struct platform_device netx_eth0_device = {
 106         .name           = "netx-eth",
 107         .id             = 0,
 108         .num_resources  = 0,
 109         .resource       = NULL,
 110         .dev = {
 111                 .platform_data = &eth0_platform_data,
 112         }
 113 };
 114
 115 static struct netxeth_platform_data eth1_platform_data = {
 116         .xcno = 1,
 117 };
 118
 119 static struct platform_device netx_eth1_device = {
 120         .name           = "netx-eth",
 121         .id             = 1,
 122         .num_resources  = 0,
 123         .resource       = NULL,
 124         .dev = {
 125                 .platform_data = &eth1_platform_data,
 126         }
 127 };
 128
 129 static struct resource netx_uart0_resources[] = {
 130         [0] = {
 131                 .start  = 0x00100A00,
 132                 .end    = 0x00100A3F,
 133                 .flags  = IORESOURCE_MEM,
 134         },
 135         [1] = {
 136                 .start  = (NETX_IRQ_UART0),
 137                 .end    = (NETX_IRQ_UART0),
 138                 .flags  = IORESOURCE_IRQ,
 139         },
 140 };
 141
 142 static struct platform_device netx_uart0_device = {
 143         .name           = "netx-uart",
 144         .id             = 0,
 145         .num_resources  = ARRAY_SIZE(netx_uart0_resources),
 146         .resource       = netx_uart0_resources,
 147 };
 148
 149 static struct resource netx_uart1_resources[] = {
 150         [0] = {
 151                 .start  = 0x00100A40,
 152                 .end    = 0x00100A7F,
 153                 .flags  = IORESOURCE_MEM,
 154         },
 155         [1] = {
 156                 .start  = (NETX_IRQ_UART1),
 157                 .end    = (NETX_IRQ_UART1),
 158                 .flags  = IORESOURCE_IRQ,
 159         },
 160 };
 161
 162 static struct platform_device netx_uart1_device = {
 163         .name           = "netx-uart",
 164         .id             = 1,
 165         .num_resources  = ARRAY_SIZE(netx_uart1_resources),
 166         .resource       = netx_uart1_resources,
 167 };
 168
 169 static struct resource netx_uart2_resources[] = {
 170         [0] = {
 171                 .start  = 0x00100A80,
 172                 .end    = 0x00100ABF,
 173                 .flags  = IORESOURCE_MEM,
 174         },
 175         [1] = {
 176                 .start  = (NETX_IRQ_UART2),
 177                 .end    = (NETX_IRQ_UART2),
 178                 .flags  = IORESOURCE_IRQ,
 179         },
 180 };
 181
 182 static struct platform_device netx_uart2_device = {
 183         .name           = "netx-uart",
 184         .id             = 2,
 185         .num_resources  = ARRAY_SIZE(netx_uart2_resources),
 186         .resource       = netx_uart2_resources,
 187 };
 188
 189 static struct platform_device *devices[] __initdata = {
 190         &netx_eth0_device,
 191         &netx_eth1_device,
 192         &netx_uart0_device,
 193         &netx_uart1_device,
 194         &netx_uart2_device,
 195 };
 196
 197 static void __init nxdb500_init(void)
 198 {
 199         netx_fb_init(&clcd_data, &qvga);
 200         platform_add_devices(devices, ARRAY_SIZE(devices));
 201 }
 202
 203 MACHINE_START(NXDB500, "Hilscher nxdb500")
 204         .atag_offset    = 0x100,
 205         .map_io         = netx_map_io,
 206         .init_irq       = netx_init_irq,
 207         .handle_irq     = vic_handle_irq,
 208         .timer          = &netx_timer,
 209         .init_machine   = nxdb500_init,
 210         .restart        = netx_restart,
 211 MACHINE_END