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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 | ||
a09e64fb | 28 | #include <mach/hardware.h> |
2697c5e1 SH |
29 | #include <asm/mach-types.h> |
30 | #include <asm/mach/arch.h> | |
14f127ba | 31 | #include <asm/hardware/vic.h> |
a09e64fb | 32 | #include <mach/netx-regs.h> |
2960ed34 | 33 | #include <linux/platform_data/eth-netx.h> |
2697c5e1 SH |
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 nxeb500hmi_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 nxeb500hmi_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 | /* GPIO 14 is used for display enable on newer boards */ | |
84 | writel(9, NETX_GPIO_CFG(14)); | |
85 | ||
86 | val = readl(NETX_PIO_OUTPIO); | |
87 | writel(val | 1, NETX_PIO_OUTPIO); | |
88 | ||
89 | val = readl(NETX_PIO_OEPIO); | |
90 | writel(val | 1, NETX_PIO_OEPIO); | |
91 | return netx_clcd_setup(fb); | |
92 | } | |
93 | ||
94 | static struct clcd_board clcd_data = { | |
95 | .name = "netX", | |
96 | .check = nxeb500hmi_check, | |
97 | .decode = clcdfb_decode, | |
98 | .enable = netx_clcd_enable, | |
99 | .setup = nxeb500hmi_clcd_setup, | |
100 | .mmap = netx_clcd_mmap, | |
101 | .remove = netx_clcd_remove, | |
102 | }; | |
103 | ||
104 | static struct netxeth_platform_data eth0_platform_data = { | |
105 | .xcno = 0, | |
106 | }; | |
107 | ||
108 | static struct platform_device netx_eth0_device = { | |
109 | .name = "netx-eth", | |
110 | .id = 0, | |
111 | .num_resources = 0, | |
112 | .resource = NULL, | |
113 | .dev = { | |
114 | .platform_data = ð0_platform_data, | |
115 | } | |
116 | }; | |
117 | ||
118 | static struct netxeth_platform_data eth1_platform_data = { | |
119 | .xcno = 1, | |
120 | }; | |
121 | ||
122 | static struct platform_device netx_eth1_device = { | |
123 | .name = "netx-eth", | |
124 | .id = 1, | |
125 | .num_resources = 0, | |
126 | .resource = NULL, | |
127 | .dev = { | |
128 | .platform_data = ð1_platform_data, | |
129 | } | |
130 | }; | |
131 | ||
132 | static struct resource netx_cf_resources[] = { | |
133 | [0] = { | |
134 | .start = 0x20000000, | |
135 | .end = 0x25ffffff, | |
136 | .flags = IORESOURCE_MEM | IORESOURCE_MEM_8AND16BIT, | |
137 | }, | |
138 | }; | |
139 | ||
140 | static struct platform_device netx_cf_device = { | |
141 | .name = "netx-cf", | |
142 | .id = 0, | |
143 | .resource = netx_cf_resources, | |
144 | .num_resources = ARRAY_SIZE(netx_cf_resources), | |
145 | }; | |
146 | ||
147 | static struct resource netx_uart0_resources[] = { | |
148 | [0] = { | |
149 | .start = 0x00100A00, | |
150 | .end = 0x00100A3F, | |
151 | .flags = IORESOURCE_MEM, | |
152 | }, | |
153 | [1] = { | |
154 | .start = (NETX_IRQ_UART0), | |
155 | .end = (NETX_IRQ_UART0), | |
156 | .flags = IORESOURCE_IRQ, | |
157 | }, | |
158 | }; | |
159 | ||
160 | static struct platform_device netx_uart0_device = { | |
161 | .name = "netx-uart", | |
162 | .id = 0, | |
163 | .num_resources = ARRAY_SIZE(netx_uart0_resources), | |
164 | .resource = netx_uart0_resources, | |
165 | }; | |
166 | ||
167 | static struct platform_device *devices[] __initdata = { | |
168 | &netx_eth0_device, | |
169 | &netx_eth1_device, | |
170 | &netx_cf_device, | |
171 | &netx_uart0_device, | |
172 | }; | |
173 | ||
174 | static void __init nxeb500hmi_init(void) | |
175 | { | |
176 | netx_fb_init(&clcd_data, &qvga); | |
177 | platform_add_devices(devices, ARRAY_SIZE(devices)); | |
178 | } | |
179 | ||
180 | MACHINE_START(NXEB500HMI, "Hilscher nxeb500hmi") | |
b11fd42c | 181 | .atag_offset = 0x100, |
2697c5e1 SH |
182 | .map_io = netx_map_io, |
183 | .init_irq = netx_init_irq, | |
14f127ba | 184 | .handle_irq = vic_handle_irq, |
6bb27d73 | 185 | .init_time = netx_timer_init, |
2697c5e1 | 186 | .init_machine = nxeb500hmi_init, |
8fb06b12 | 187 | .restart = netx_restart, |
2697c5e1 | 188 | MACHINE_END |