[ARM] 2987/1: Replace map_desc.physical with map_desc.pfn: OMAP
[linux-3.10.git] / arch / arm / mach-pxa / lubbock.c
1 /*
2  *  linux/arch/arm/mach-pxa/lubbock.c
3  *
4  *  Support for the Intel DBPXA250 Development Platform.
5  *
6  *  Author:     Nicolas Pitre
7  *  Created:    Jun 15, 2001
8  *  Copyright:  MontaVista Software Inc.
9  *
10  *  This program is free software; you can redistribute it and/or modify
11  *  it under the terms of the GNU General Public License version 2 as
12  *  published by the Free Software Foundation.
13  */
14 #include <linux/module.h>
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/device.h>
18 #include <linux/sysdev.h>
19 #include <linux/major.h>
20 #include <linux/fb.h>
21 #include <linux/interrupt.h>
22
23 #include <asm/setup.h>
24 #include <asm/memory.h>
25 #include <asm/mach-types.h>
26 #include <asm/hardware.h>
27 #include <asm/irq.h>
28
29 #include <asm/mach/arch.h>
30 #include <asm/mach/map.h>
31 #include <asm/mach/irq.h>
32
33 #include <asm/hardware/sa1111.h>
34
35 #include <asm/arch/pxa-regs.h>
36 #include <asm/arch/lubbock.h>
37 #include <asm/arch/udc.h>
38 #include <asm/arch/pxafb.h>
39 #include <asm/arch/mmc.h>
40
41 #include "generic.h"
42
43
44 #define LUB_MISC_WR             __LUB_REG(LUBBOCK_FPGA_PHYS + 0x080)
45
46 void lubbock_set_misc_wr(unsigned int mask, unsigned int set)
47 {
48         unsigned long flags;
49
50         local_irq_save(flags);
51         LUB_MISC_WR = (LUB_MISC_WR & ~mask) | (set & mask);
52         local_irq_restore(flags);
53 }
54 EXPORT_SYMBOL(lubbock_set_misc_wr);
55
56 static unsigned long lubbock_irq_enabled;
57
58 static void lubbock_mask_irq(unsigned int irq)
59 {
60         int lubbock_irq = (irq - LUBBOCK_IRQ(0));
61         LUB_IRQ_MASK_EN = (lubbock_irq_enabled &= ~(1 << lubbock_irq));
62 }
63
64 static void lubbock_unmask_irq(unsigned int irq)
65 {
66         int lubbock_irq = (irq - LUBBOCK_IRQ(0));
67         /* the irq can be acknowledged only if deasserted, so it's done here */
68         LUB_IRQ_SET_CLR &= ~(1 << lubbock_irq);
69         LUB_IRQ_MASK_EN = (lubbock_irq_enabled |= (1 << lubbock_irq));
70 }
71
72 static struct irqchip lubbock_irq_chip = {
73         .ack            = lubbock_mask_irq,
74         .mask           = lubbock_mask_irq,
75         .unmask         = lubbock_unmask_irq,
76 };
77
78 static void lubbock_irq_handler(unsigned int irq, struct irqdesc *desc,
79                                 struct pt_regs *regs)
80 {
81         unsigned long pending = LUB_IRQ_SET_CLR & lubbock_irq_enabled;
82         do {
83                 GEDR(0) = GPIO_bit(0);  /* clear our parent irq */
84                 if (likely(pending)) {
85                         irq = LUBBOCK_IRQ(0) + __ffs(pending);
86                         desc = irq_desc + irq;
87                         desc_handle_irq(irq, desc, regs);
88                 }
89                 pending = LUB_IRQ_SET_CLR & lubbock_irq_enabled;
90         } while (pending);
91 }
92
93 static void __init lubbock_init_irq(void)
94 {
95         int irq;
96
97         pxa_init_irq();
98
99         /* setup extra lubbock irqs */
100         for (irq = LUBBOCK_IRQ(0); irq <= LUBBOCK_LAST_IRQ; irq++) {
101                 set_irq_chip(irq, &lubbock_irq_chip);
102                 set_irq_handler(irq, do_level_IRQ);
103                 set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
104         }
105
106         set_irq_chained_handler(IRQ_GPIO(0), lubbock_irq_handler);
107         set_irq_type(IRQ_GPIO(0), IRQT_FALLING);
108 }
109
110 #ifdef CONFIG_PM
111
112 static int lubbock_irq_resume(struct sys_device *dev)
113 {
114         LUB_IRQ_MASK_EN = lubbock_irq_enabled;
115         return 0;
116 }
117
118 static struct sysdev_class lubbock_irq_sysclass = {
119         set_kset_name("cpld_irq"),
120         .resume = lubbock_irq_resume,
121 };
122
123 static struct sys_device lubbock_irq_device = {
124         .cls = &lubbock_irq_sysclass,
125 };
126
127 static int __init lubbock_irq_device_init(void)
128 {
129         int ret = sysdev_class_register(&lubbock_irq_sysclass);
130         if (ret == 0)
131                 ret = sysdev_register(&lubbock_irq_device);
132         return ret;
133 }
134
135 device_initcall(lubbock_irq_device_init);
136
137 #endif
138
139 static int lubbock_udc_is_connected(void)
140 {
141         return (LUB_MISC_RD & (1 << 9)) == 0;
142 }
143
144 static struct pxa2xx_udc_mach_info udc_info __initdata = {
145         .udc_is_connected       = lubbock_udc_is_connected,
146         // no D+ pullup; lubbock can't connect/disconnect in software
147 };
148
149 static struct platform_device lub_audio_device = {
150         .name           = "pxa2xx-ac97",
151         .id             = -1,
152 };
153
154 static struct resource sa1111_resources[] = {
155         [0] = {
156                 .start  = 0x10000000,
157                 .end    = 0x10001fff,
158                 .flags  = IORESOURCE_MEM,
159         },
160         [1] = {
161                 .start  = LUBBOCK_SA1111_IRQ,
162                 .end    = LUBBOCK_SA1111_IRQ,
163                 .flags  = IORESOURCE_IRQ,
164         },
165 };
166
167 static struct platform_device sa1111_device = {
168         .name           = "sa1111",
169         .id             = -1,
170         .num_resources  = ARRAY_SIZE(sa1111_resources),
171         .resource       = sa1111_resources,
172 };
173
174 static struct resource smc91x_resources[] = {
175         [0] = {
176                 .name   = "smc91x-regs",
177                 .start  = 0x0c000000,
178                 .end    = 0x0c0fffff,
179                 .flags  = IORESOURCE_MEM,
180         },
181         [1] = {
182                 .start  = LUBBOCK_ETH_IRQ,
183                 .end    = LUBBOCK_ETH_IRQ,
184                 .flags  = IORESOURCE_IRQ,
185         },
186         [2] = {
187                 .name   = "smc91x-attrib",
188                 .start  = 0x0e000000,
189                 .end    = 0x0e0fffff,
190                 .flags  = IORESOURCE_MEM,
191         },
192 };
193
194 static struct platform_device smc91x_device = {
195         .name           = "smc91x",
196         .id             = -1,
197         .num_resources  = ARRAY_SIZE(smc91x_resources),
198         .resource       = smc91x_resources,
199 };
200
201 static struct platform_device *devices[] __initdata = {
202         &sa1111_device,
203         &lub_audio_device,
204         &smc91x_device,
205 };
206
207 static struct pxafb_mach_info sharp_lm8v31 __initdata = {
208         .pixclock       = 270000,
209         .xres           = 640,
210         .yres           = 480,
211         .bpp            = 16,
212         .hsync_len      = 1,
213         .left_margin    = 3,
214         .right_margin   = 3,
215         .vsync_len      = 1,
216         .upper_margin   = 0,
217         .lower_margin   = 0,
218         .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
219         .cmap_greyscale = 0,
220         .cmap_inverse   = 0,
221         .cmap_static    = 0,
222         .lccr0          = LCCR0_SDS,
223         .lccr3          = LCCR3_PCP | LCCR3_Acb(255),
224 };
225
226 static int lubbock_mci_init(struct device *dev, irqreturn_t (*lubbock_detect_int)(int, void *, struct pt_regs *), void *data)
227 {
228         /* setup GPIO for PXA25x MMC controller */
229         pxa_gpio_mode(GPIO6_MMCCLK_MD);
230         pxa_gpio_mode(GPIO8_MMCCS0_MD);
231
232         return 0;
233 }
234
235 static struct pxamci_platform_data lubbock_mci_platform_data = {
236         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
237         .init           = lubbock_mci_init,
238 };
239
240 static void __init lubbock_init(void)
241 {
242         pxa_set_udc_info(&udc_info);
243         set_pxa_fb_info(&sharp_lm8v31);
244         pxa_set_mci_info(&lubbock_mci_platform_data);
245         (void) platform_add_devices(devices, ARRAY_SIZE(devices));
246 }
247
248 static struct map_desc lubbock_io_desc[] __initdata = {
249   { LUBBOCK_FPGA_VIRT, LUBBOCK_FPGA_PHYS, 0x00100000, MT_DEVICE }, /* CPLD */
250 };
251
252 static void __init lubbock_map_io(void)
253 {
254         pxa_map_io();
255         iotable_init(lubbock_io_desc, ARRAY_SIZE(lubbock_io_desc));
256
257         /* This enables the BTUART */
258         pxa_gpio_mode(GPIO42_BTRXD_MD);
259         pxa_gpio_mode(GPIO43_BTTXD_MD);
260         pxa_gpio_mode(GPIO44_BTCTS_MD);
261         pxa_gpio_mode(GPIO45_BTRTS_MD);
262
263         /* This is for the SMC chip select */
264         pxa_gpio_mode(GPIO79_nCS_3_MD);
265
266         /* setup sleep mode values */
267         PWER  = 0x00000002;
268         PFER  = 0x00000000;
269         PRER  = 0x00000002;
270         PGSR0 = 0x00008000;
271         PGSR1 = 0x003F0202;
272         PGSR2 = 0x0001C000;
273         PCFR |= PCFR_OPDE;
274 }
275
276 MACHINE_START(LUBBOCK, "Intel DBPXA250 Development Platform (aka Lubbock)")
277         /* Maintainer: MontaVista Software Inc. */
278         .phys_ram       = 0xa0000000,
279         .phys_io        = 0x40000000,
280         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
281         .map_io         = lubbock_map_io,
282         .init_irq       = lubbock_init_irq,
283         .timer          = &pxa_timer,
284         .init_machine   = lubbock_init,
285 MACHINE_END