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
 37static 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
 61static 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
 69static 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
 90static 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
100static struct netxeth_platform_data eth0_platform_data = {
101	.xcno = 0,
102};
103
104static 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
114static struct netxeth_platform_data eth1_platform_data = {
115	.xcno = 1,
116};
117
118static 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
128static 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
141static 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
148static 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
161static 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
168static 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
181static 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
188static 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
196static void __init nxdb500_init(void)
197{
198	netx_fb_init(&clcd_data, &qvga);
199	platform_add_devices(devices, ARRAY_SIZE(devices));
200}
201
202MACHINE_START(NXDB500, "Hilscher nxdb500")
203	.boot_params	= 0x80000100,
204	.map_io		= netx_map_io,
205	.init_irq	= netx_init_irq,
206	.timer		= &netx_timer,
207	.init_machine	= nxdb500_init,
208MACHINE_END