xref: /openbmc/linux/arch/sh/boards/board-sh7785lcr.c (revision 82ced6fd) 
1 /*
2  * Renesas Technology Corp. R0P7785LC0011RL Support.
3  *
4  * Copyright (C) 2008  Yoshihiro Shimoda
5  *
6  * This file is subject to the terms and conditions of the GNU General Public
7  * License.  See the file "COPYING" in the main directory of this archive
8  * for more details.
9  */
10 
11 #include <linux/init.h>
12 #include <linux/platform_device.h>
13 #include <linux/sm501.h>
14 #include <linux/sm501-regs.h>
15 #include <linux/fb.h>
16 #include <linux/mtd/physmap.h>
17 #include <linux/delay.h>
18 #include <linux/i2c.h>
19 #include <linux/i2c-pca-platform.h>
20 #include <linux/i2c-algo-pca.h>
21 #include <linux/irq.h>
22 #include <asm/heartbeat.h>
23 #include <mach/sh7785lcr.h>
24 
25 /*
26  * NOTE: This board has 2 physical memory maps.
27  *	 Please look at include/asm-sh/sh7785lcr.h or hardware manual.
28  */
29 static struct resource heartbeat_resources[] = {
30 	[0] = {
31 		.start	= PLD_LEDCR,
32 		.end	= PLD_LEDCR,
33 		.flags	= IORESOURCE_MEM,
34 	},
35 };
36 
37 static struct heartbeat_data heartbeat_data = {
38 	.regsize = 8,
39 };
40 
41 static struct platform_device heartbeat_device = {
42 	.name		= "heartbeat",
43 	.id		= -1,
44 	.dev	= {
45 		.platform_data	= &heartbeat_data,
46 	},
47 	.num_resources	= ARRAY_SIZE(heartbeat_resources),
48 	.resource	= heartbeat_resources,
49 };
50 
51 static struct mtd_partition nor_flash_partitions[] = {
52 	{
53 		.name		= "loader",
54 		.offset		= 0x00000000,
55 		.size		= 512 * 1024,
56 	},
57 	{
58 		.name		= "bootenv",
59 		.offset		= MTDPART_OFS_APPEND,
60 		.size		= 512 * 1024,
61 	},
62 	{
63 		.name		= "kernel",
64 		.offset		= MTDPART_OFS_APPEND,
65 		.size		= 4 * 1024 * 1024,
66 	},
67 	{
68 		.name		= "data",
69 		.offset		= MTDPART_OFS_APPEND,
70 		.size		= MTDPART_SIZ_FULL,
71 	},
72 };
73 
74 static struct physmap_flash_data nor_flash_data = {
75 	.width		= 4,
76 	.parts		= nor_flash_partitions,
77 	.nr_parts	= ARRAY_SIZE(nor_flash_partitions),
78 };
79 
80 static struct resource nor_flash_resources[] = {
81 	[0]	= {
82 		.start	= NOR_FLASH_ADDR,
83 		.end	= NOR_FLASH_ADDR + NOR_FLASH_SIZE - 1,
84 		.flags	= IORESOURCE_MEM,
85 	}
86 };
87 
88 static struct platform_device nor_flash_device = {
89 	.name		= "physmap-flash",
90 	.dev		= {
91 		.platform_data	= &nor_flash_data,
92 	},
93 	.num_resources	= ARRAY_SIZE(nor_flash_resources),
94 	.resource	= nor_flash_resources,
95 };
96 
97 static struct resource r8a66597_usb_host_resources[] = {
98 	[0] = {
99 		.name	= "r8a66597_hcd",
100 		.start	= R8A66597_ADDR,
101 		.end	= R8A66597_ADDR + R8A66597_SIZE - 1,
102 		.flags	= IORESOURCE_MEM,
103 	},
104 	[1] = {
105 		.name	= "r8a66597_hcd",
106 		.start	= 2,
107 		.end	= 2,
108 		.flags	= IORESOURCE_IRQ,
109 	},
110 };
111 
112 static struct platform_device r8a66597_usb_host_device = {
113 	.name		= "r8a66597_hcd",
114 	.id		= -1,
115 	.dev = {
116 		.dma_mask		= NULL,
117 		.coherent_dma_mask	= 0xffffffff,
118 	},
119 	.num_resources	= ARRAY_SIZE(r8a66597_usb_host_resources),
120 	.resource	= r8a66597_usb_host_resources,
121 };
122 
123 static struct resource sm501_resources[] = {
124 	[0]	= {
125 		.start	= SM107_MEM_ADDR,
126 		.end	= SM107_MEM_ADDR + SM107_MEM_SIZE - 1,
127 		.flags	= IORESOURCE_MEM,
128 	},
129 	[1]	= {
130 		.start	= SM107_REG_ADDR,
131 		.end	= SM107_REG_ADDR + SM107_REG_SIZE - 1,
132 		.flags	= IORESOURCE_MEM,
133 	},
134 	[2]	= {
135 		.start	= 10,
136 		.flags	= IORESOURCE_IRQ,
137 	},
138 };
139 
140 static struct fb_videomode sm501_default_mode_crt = {
141 	.pixclock	= 35714,	/* 28MHz */
142 	.xres		= 640,
143 	.yres		= 480,
144 	.left_margin	= 105,
145 	.right_margin	= 16,
146 	.upper_margin	= 33,
147 	.lower_margin	= 10,
148 	.hsync_len	= 39,
149 	.vsync_len	= 2,
150 	.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
151 };
152 
153 static struct fb_videomode sm501_default_mode_pnl = {
154 	.pixclock	= 40000,	/* 25MHz */
155 	.xres		= 640,
156 	.yres		= 480,
157 	.left_margin	= 2,
158 	.right_margin	= 16,
159 	.upper_margin	= 33,
160 	.lower_margin	= 10,
161 	.hsync_len	= 39,
162 	.vsync_len	= 2,
163 	.sync		= 0,
164 };
165 
166 static struct sm501_platdata_fbsub sm501_pdata_fbsub_pnl = {
167 	.def_bpp	= 16,
168 	.def_mode	= &sm501_default_mode_pnl,
169 	.flags		= SM501FB_FLAG_USE_INIT_MODE |
170 			  SM501FB_FLAG_USE_HWCURSOR |
171 			  SM501FB_FLAG_USE_HWACCEL |
172 			  SM501FB_FLAG_DISABLE_AT_EXIT |
173 			  SM501FB_FLAG_PANEL_NO_VBIASEN,
174 };
175 
176 static struct sm501_platdata_fbsub sm501_pdata_fbsub_crt = {
177 	.def_bpp	= 16,
178 	.def_mode	= &sm501_default_mode_crt,
179 	.flags		= SM501FB_FLAG_USE_INIT_MODE |
180 			  SM501FB_FLAG_USE_HWCURSOR |
181 			  SM501FB_FLAG_USE_HWACCEL |
182 			  SM501FB_FLAG_DISABLE_AT_EXIT,
183 };
184 
185 static struct sm501_platdata_fb sm501_fb_pdata = {
186 	.fb_route	= SM501_FB_OWN,
187 	.fb_crt		= &sm501_pdata_fbsub_crt,
188 	.fb_pnl		= &sm501_pdata_fbsub_pnl,
189 };
190 
191 static struct sm501_initdata sm501_initdata = {
192 	.gpio_high	= {
193 		.set	= 0x00001fe0,
194 		.mask	= 0x0,
195 	},
196 	.devices	= 0,
197 	.mclk		= 84 * 1000000,
198 	.m1xclk		= 112 * 1000000,
199 };
200 
201 static struct sm501_platdata sm501_platform_data = {
202 	.init		= &sm501_initdata,
203 	.fb		= &sm501_fb_pdata,
204 };
205 
206 static struct platform_device sm501_device = {
207 	.name		= "sm501",
208 	.id		= -1,
209 	.dev		= {
210 		.platform_data	= &sm501_platform_data,
211 	},
212 	.num_resources	= ARRAY_SIZE(sm501_resources),
213 	.resource	= sm501_resources,
214 };
215 
216 static struct resource i2c_resources[] = {
217 	[0] = {
218 		.start	= PCA9564_ADDR,
219 		.end	= PCA9564_ADDR + PCA9564_SIZE - 1,
220 		.flags	= IORESOURCE_MEM | IORESOURCE_MEM_8BIT,
221 	},
222 	[1] = {
223 		.start	= 12,
224 		.end	= 12,
225 		.flags	= IORESOURCE_IRQ,
226 	},
227 };
228 
229 static struct i2c_pca9564_pf_platform_data i2c_platform_data = {
230 	.gpio			= 0,
231 	.i2c_clock_speed	= I2C_PCA_CON_330kHz,
232 	.timeout		= HZ,
233 };
234 
235 static struct platform_device i2c_device = {
236 	.name		= "i2c-pca-platform",
237 	.id		= -1,
238 	.dev		= {
239 		.platform_data	= &i2c_platform_data,
240 	},
241 	.num_resources	= ARRAY_SIZE(i2c_resources),
242 	.resource	= i2c_resources,
243 };
244 
245 static struct platform_device *sh7785lcr_devices[] __initdata = {
246 	&heartbeat_device,
247 	&nor_flash_device,
248 	&r8a66597_usb_host_device,
249 	&sm501_device,
250 	&i2c_device,
251 };
252 
253 static struct i2c_board_info __initdata sh7785lcr_i2c_devices[] = {
254 	{
255 		I2C_BOARD_INFO("r2025sd", 0x32),
256 	},
257 };
258 
259 static int __init sh7785lcr_devices_setup(void)
260 {
261 	i2c_register_board_info(0, sh7785lcr_i2c_devices,
262 				ARRAY_SIZE(sh7785lcr_i2c_devices));
263 
264 	return platform_add_devices(sh7785lcr_devices,
265 				    ARRAY_SIZE(sh7785lcr_devices));
266 }
267 __initcall(sh7785lcr_devices_setup);
268 
269 /* Initialize IRQ setting */
270 void __init init_sh7785lcr_IRQ(void)
271 {
272 	plat_irq_setup_pins(IRQ_MODE_IRQ7654);
273 	plat_irq_setup_pins(IRQ_MODE_IRQ3210);
274 }
275 
276 static void sh7785lcr_power_off(void)
277 {
278 	unsigned char *p;
279 
280 	p = ioremap(PLD_POFCR, PLD_POFCR + 1);
281 	if (!p) {
282 		printk(KERN_ERR "%s: ioremap error.\n", __func__);
283 		return;
284 	}
285 	*p = 0x01;
286 	iounmap(p);
287 	set_bl_bit();
288 	while (1)
289 		cpu_relax();
290 }
291 
292 /* Initialize the board */
293 static void __init sh7785lcr_setup(char **cmdline_p)
294 {
295 	void __iomem *sm501_reg;
296 
297 	printk(KERN_INFO "Renesas Technology Corp. R0P7785LC0011RL support.\n");
298 
299 	pm_power_off = sh7785lcr_power_off;
300 
301 	/* sm501 DRAM configuration */
302 	sm501_reg = (void __iomem *)0xb3e00000 + SM501_DRAM_CONTROL;
303 	writel(0x000307c2, sm501_reg);
304 }
305 
306 /*
307  * The Machine Vector
308  */
309 static struct sh_machine_vector mv_sh7785lcr __initmv = {
310 	.mv_name		= "SH7785LCR",
311 	.mv_setup		= sh7785lcr_setup,
312 	.mv_init_irq		= init_sh7785lcr_IRQ,
313 };
314 
315