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2697c5e1 SH |
1 | /* |
2 | * arch/arm/mach-netx/nxeb500hmi.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 <asm/hardware.h> | |
29 | #include <asm/mach-types.h> | |
30 | #include <asm/mach/arch.h> | |
31 | #include <asm/arch/netx-regs.h> | |
32 | #include <asm/arch/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 nxeb500hmi_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 nxeb500hmi_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 | /* GPIO 14 is used for display enable on newer boards */ | |
83 | writel(9, NETX_GPIO_CFG(14)); | |
84 | ||
85 | val = readl(NETX_PIO_OUTPIO); | |
86 | writel(val | 1, NETX_PIO_OUTPIO); | |
87 | ||
88 | val = readl(NETX_PIO_OEPIO); | |
89 | writel(val | 1, NETX_PIO_OEPIO); | |
90 | return netx_clcd_setup(fb); | |
91 | } | |
92 | ||
93 | static struct clcd_board clcd_data = { | |
94 | .name = "netX", | |
95 | .check = nxeb500hmi_check, | |
96 | .decode = clcdfb_decode, | |
97 | .enable = netx_clcd_enable, | |
98 | .setup = nxeb500hmi_clcd_setup, | |
99 | .mmap = netx_clcd_mmap, | |
100 | .remove = netx_clcd_remove, | |
101 | }; | |
102 | ||
103 | static struct netxeth_platform_data eth0_platform_data = { | |
104 | .xcno = 0, | |
105 | }; | |
106 | ||
107 | static struct platform_device netx_eth0_device = { | |
108 | .name = "netx-eth", | |
109 | .id = 0, | |
110 | .num_resources = 0, | |
111 | .resource = NULL, | |
112 | .dev = { | |
113 | .platform_data = ð0_platform_data, | |
114 | } | |
115 | }; | |
116 | ||
117 | static struct netxeth_platform_data eth1_platform_data = { | |
118 | .xcno = 1, | |
119 | }; | |
120 | ||
121 | static struct platform_device netx_eth1_device = { | |
122 | .name = "netx-eth", | |
123 | .id = 1, | |
124 | .num_resources = 0, | |
125 | .resource = NULL, | |
126 | .dev = { | |
127 | .platform_data = ð1_platform_data, | |
128 | } | |
129 | }; | |
130 | ||
131 | static struct resource netx_cf_resources[] = { | |
132 | [0] = { | |
133 | .start = 0x20000000, | |
134 | .end = 0x25ffffff, | |
135 | .flags = IORESOURCE_MEM | IORESOURCE_MEM_8AND16BIT, | |
136 | }, | |
137 | }; | |
138 | ||
139 | static struct platform_device netx_cf_device = { | |
140 | .name = "netx-cf", | |
141 | .id = 0, | |
142 | .resource = netx_cf_resources, | |
143 | .num_resources = ARRAY_SIZE(netx_cf_resources), | |
144 | }; | |
145 | ||
146 | static struct resource netx_uart0_resources[] = { | |
147 | [0] = { | |
148 | .start = 0x00100A00, | |
149 | .end = 0x00100A3F, | |
150 | .flags = IORESOURCE_MEM, | |
151 | }, | |
152 | [1] = { | |
153 | .start = (NETX_IRQ_UART0), | |
154 | .end = (NETX_IRQ_UART0), | |
155 | .flags = IORESOURCE_IRQ, | |
156 | }, | |
157 | }; | |
158 | ||
159 | static struct platform_device netx_uart0_device = { | |
160 | .name = "netx-uart", | |
161 | .id = 0, | |
162 | .num_resources = ARRAY_SIZE(netx_uart0_resources), | |
163 | .resource = netx_uart0_resources, | |
164 | }; | |
165 | ||
166 | static struct platform_device *devices[] __initdata = { | |
167 | &netx_eth0_device, | |
168 | &netx_eth1_device, | |
169 | &netx_cf_device, | |
170 | &netx_uart0_device, | |
171 | }; | |
172 | ||
173 | static void __init nxeb500hmi_init(void) | |
174 | { | |
175 | netx_fb_init(&clcd_data, &qvga); | |
176 | platform_add_devices(devices, ARRAY_SIZE(devices)); | |
177 | } | |
178 | ||
179 | MACHINE_START(NXEB500HMI, "Hilscher nxeb500hmi") | |
180 | .phys_io = 0x00100000, | |
181 | .io_pg_offst = (io_p2v(0x00100000) >> 18) & 0xfffc, | |
182 | .boot_params = 0x80000100, | |
183 | .map_io = netx_map_io, | |
184 | .init_irq = netx_init_irq, | |
185 | .timer = &netx_timer, | |
186 | .init_machine = nxeb500hmi_init, | |
187 | MACHINE_END |