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 <mach/netx-regs.h>
  32 #include <mach/eth.h>
  33
  34 #include "generic.h"
  35 #include "fb.h"
  36
  37 static struct clcd_panel qvga = {
  38         .mode           = {
  39                 .name           = "QVGA",
  40                 .refresh        = 60,
  41                 .xres           = 240,
  42                 .yres           = 320,
  43                 .pixclock       = 187617,
  44                 .left_margin    = 6,
  45                 .right_margin   = 26,
  46                 .upper_margin   = 0,
  47                 .lower_margin   = 6,
  48                 .hsync_len      = 6,
  49                 .vsync_len      = 1,
  50                 .sync           = 0,
  51                 .vmode          = FB_VMODE_NONINTERLACED,
  52         },
  53         .width          = -1,
  54         .height         = -1,
  55         .tim2           =  16,
  56         .cntl           = CNTL_LCDTFT | CNTL_BGR,
  57         .bpp            = 16,
  58         .grayscale      = 0,
  59 };
  60
  61 static inline int nxdb500_check(struct clcd_fb *fb, struct fb_var_screeninfo *var)
  62 {
  63         var->green.length = 5;
  64         var->green.msb_right = 0;
  65
  66         return clcdfb_check(fb, var);
  67 }
  68
  69 static int nxdb500_clcd_setup(struct clcd_fb *fb)
  70 {
  71         unsigned int val;
  72
  73         fb->fb.var.green.length = 5;
  74         fb->fb.var.green.msb_right = 0;
  75
  76         /* enable asic control */
  77         val = readl(NETX_SYSTEM_IOC_ACCESS_KEY);
  78         writel(val, NETX_SYSTEM_IOC_ACCESS_KEY);
  79
  80         writel(3, NETX_SYSTEM_IOC_CR);
  81
  82         val = readl(NETX_PIO_OUTPIO);
  83         writel(val | 1, NETX_PIO_OUTPIO);
  84
  85         val = readl(NETX_PIO_OEPIO);
  86         writel(val | 1, NETX_PIO_OEPIO);
  87         return netx_clcd_setup(fb);
  88 }
  89
  90 static struct clcd_board clcd_data = {
  91         .name           = "netX",
  92         .check          = nxdb500_check,
  93         .decode         = clcdfb_decode,
  94         .enable         = netx_clcd_enable,
  95         .setup          = nxdb500_clcd_setup,
  96         .mmap           = netx_clcd_mmap,
  97         .remove         = netx_clcd_remove,
  98 };
  99
 100 static struct netxeth_platform_data eth0_platform_data = {
 101         .xcno = 0,
 102 };
 103
 104 static struct platform_device netx_eth0_device = {
 105         .name           = "netx-eth",
 106         .id             = 0,
 107         .num_resources  = 0,
 108         .resource       = NULL,
 109         .dev = {
 110                 .platform_data = &eth0_platform_data,
 111         }
 112 };
 113
 114 static struct netxeth_platform_data eth1_platform_data = {
 115         .xcno = 1,
 116 };
 117
 118 static struct platform_device netx_eth1_device = {
 119         .name           = "netx-eth",
 120         .id             = 1,
 121         .num_resources  = 0,
 122         .resource       = NULL,
 123         .dev = {
 124                 .platform_data = &eth1_platform_data,
 125         }
 126 };
 127
 128 static struct resource netx_uart0_resources[] = {
 129         [0] = {
 130                 .start  = 0x00100A00,
 131                 .end    = 0x00100A3F,
 132                 .flags  = IORESOURCE_MEM,
 133         },
 134         [1] = {
 135                 .start  = (NETX_IRQ_UART0),
 136                 .end    = (NETX_IRQ_UART0),
 137                 .flags  = IORESOURCE_IRQ,
 138         },
 139 };
 140
 141 static struct platform_device netx_uart0_device = {
 142         .name           = "netx-uart",
 143         .id             = 0,
 144         .num_resources  = ARRAY_SIZE(netx_uart0_resources),
 145         .resource       = netx_uart0_resources,
 146 };
 147
 148 static struct resource netx_uart1_resources[] = {
 149         [0] = {
 150                 .start  = 0x00100A40,
 151                 .end    = 0x00100A7F,
 152                 .flags  = IORESOURCE_MEM,
 153         },
 154         [1] = {
 155                 .start  = (NETX_IRQ_UART1),
 156                 .end    = (NETX_IRQ_UART1),
 157                 .flags  = IORESOURCE_IRQ,
 158         },
 159 };
 160
 161 static struct platform_device netx_uart1_device = {
 162         .name           = "netx-uart",
 163         .id             = 1,
 164         .num_resources  = ARRAY_SIZE(netx_uart1_resources),
 165         .resource       = netx_uart1_resources,
 166 };
 167
 168 static struct resource netx_uart2_resources[] = {
 169         [0] = {
 170                 .start  = 0x00100A80,
 171                 .end    = 0x00100ABF,
 172                 .flags  = IORESOURCE_MEM,
 173         },
 174         [1] = {
 175                 .start  = (NETX_IRQ_UART2),
 176                 .end    = (NETX_IRQ_UART2),
 177                 .flags  = IORESOURCE_IRQ,
 178         },
 179 };
 180
 181 static struct platform_device netx_uart2_device = {
 182         .name           = "netx-uart",
 183         .id             = 2,
 184         .num_resources  = ARRAY_SIZE(netx_uart2_resources),
 185         .resource       = netx_uart2_resources,
 186 };
 187
 188 static struct platform_device *devices[] __initdata = {
 189         &netx_eth0_device,
 190         &netx_eth1_device,
 191         &netx_uart0_device,
 192         &netx_uart1_device,
 193         &netx_uart2_device,
 194 };
 195
 196 static void __init nxdb500_init(void)
 197 {
 198         netx_fb_init(&clcd_data, &qvga);
 199         platform_add_devices(devices, ARRAY_SIZE(devices));
 200 }
 201
 202 MACHINE_START(NXDB500, "Hilscher nxdb500")
 203         .atag_offset    = 0x100,
 204         .map_io         = netx_map_io,
 205         .init_irq       = netx_init_irq,
 206         .timer          = &netx_timer,
 207         .init_machine   = nxdb500_init,
 208 MACHINE_END