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Linux/arch/arm/mach-netx/nxdb500.c

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  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 <linux/platform_data/eth-netx.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         .init_time      = netx_timer_init,
207         .init_machine   = nxdb500_init,
208         .restart        = netx_restart,
209 MACHINE_END
210 

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