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 <mach/hardware.h>
 29#include <asm/mach-types.h>
 30#include <asm/mach/arch.h>
 31#include <asm/hardware/vic.h>
 32#include <mach/netx-regs.h>
 33#include <mach/eth.h>
 34
 35#include "generic.h"
 36#include "fb.h"
 37
 38static 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
 62static 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
 70static 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
 94static 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
104static struct netxeth_platform_data eth0_platform_data = {
105	.xcno = 0,
106};
107
108static 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 = &eth0_platform_data,
115	}
116};
117
118static struct netxeth_platform_data eth1_platform_data = {
119	.xcno = 1,
120};
121
122static 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 = &eth1_platform_data,
129	}
130};
131
132static struct resource netx_cf_resources[] = {
133	[0] = {
134		.start	= 0x20000000,
135		.end	= 0x25ffffff,
136		.flags	= IORESOURCE_MEM | IORESOURCE_MEM_8AND16BIT,
137	},
138};
139
140static 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
147static 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
160static 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
167static struct platform_device *devices[] __initdata = {
168	&netx_eth0_device,
169	&netx_eth1_device,
170	&netx_cf_device,
171	&netx_uart0_device,
172};
173
174static void __init nxeb500hmi_init(void)
175{
176	netx_fb_init(&clcd_data, &qvga);
177	platform_add_devices(devices, ARRAY_SIZE(devices));
178}
179
180MACHINE_START(NXEB500HMI, "Hilscher nxeb500hmi")
181	.atag_offset	= 0x100,
182	.map_io		= netx_map_io,
183	.init_irq	= netx_init_irq,
184	.handle_irq	= vic_handle_irq,
185	.timer		= &netx_timer,
186	.init_machine	= nxeb500hmi_init,
187	.restart	= netx_restart,
188MACHINE_END