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
nxdb500_check(struct clcd_fb * fb,struct fb_var_screeninfo * var)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
nxdb500_clcd_setup(struct clcd_fb * fb)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 = ð0_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 = ð1_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
nxdb500_init(void)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