Commit | Line | Data |
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1da177e4 | 1 | /* |
1da177e4 LT |
2 | * Renesas Technology Sales RTS7751R2D Support. |
3 | * | |
9c57548f PM |
4 | * Copyright (C) 2002 - 2006 Atom Create Engineering Co., Ltd. |
5 | * Copyright (C) 2004 - 2007 Paul Mundt | |
ade2b3f6 PM |
6 | * |
7 | * This file is subject to the terms and conditions of the GNU General Public | |
8 | * License. See the file "COPYING" in the main directory of this archive | |
9 | * for more details. | |
1da177e4 | 10 | */ |
1da177e4 | 11 | #include <linux/init.h> |
ade2b3f6 | 12 | #include <linux/platform_device.h> |
0a87e3e9 | 13 | #include <linux/ata_platform.h> |
c87a7111 | 14 | #include <linux/sm501.h> |
29ec6778 | 15 | #include <linux/sm501-regs.h> |
a56d276c | 16 | #include <linux/pm.h> |
cbd10dfb | 17 | #include <linux/fb.h> |
6582d7b7 MD |
18 | #include <linux/spi/spi.h> |
19 | #include <linux/spi/spi_bitbang.h> | |
2c7834a6 | 20 | #include <asm/machvec.h> |
7639a454 | 21 | #include <mach/r2d.h> |
9c57548f | 22 | #include <asm/io.h> |
2d952b4b | 23 | #include <asm/io_trapped.h> |
6582d7b7 | 24 | #include <asm/spi.h> |
ade2b3f6 | 25 | |
9c57548f PM |
26 | static struct resource cf_ide_resources[] = { |
27 | [0] = { | |
28 | .start = PA_AREA5_IO + 0x1000, | |
43f4b8c7 | 29 | .end = PA_AREA5_IO + 0x1000 + 0x10 - 0x2, |
9c57548f PM |
30 | .flags = IORESOURCE_MEM, |
31 | }, | |
32 | [1] = { | |
33 | .start = PA_AREA5_IO + 0x80c, | |
43f4b8c7 | 34 | .end = PA_AREA5_IO + 0x80c, |
9c57548f PM |
35 | .flags = IORESOURCE_MEM, |
36 | }, | |
abac3f78 | 37 | #ifndef CONFIG_RTS7751R2D_1 /* For R2D-1 polling is preferred */ |
9c57548f | 38 | [2] = { |
2eeec856 | 39 | .start = IRQ_CF_IDE, |
9c57548f PM |
40 | .flags = IORESOURCE_IRQ, |
41 | }, | |
abac3f78 | 42 | #endif |
9c57548f PM |
43 | }; |
44 | ||
45 | static struct pata_platform_info pata_info = { | |
46 | .ioport_shift = 1, | |
47 | }; | |
48 | ||
49 | static struct platform_device cf_ide_device = { | |
50 | .name = "pata_platform", | |
51 | .id = -1, | |
52 | .num_resources = ARRAY_SIZE(cf_ide_resources), | |
53 | .resource = cf_ide_resources, | |
54 | .dev = { | |
55 | .platform_data = &pata_info, | |
56 | }, | |
57 | }; | |
58 | ||
6582d7b7 MD |
59 | static struct spi_board_info spi_bus[] = { |
60 | { | |
61 | .modalias = "rtc-r9701", | |
62 | .max_speed_hz = 1000000, | |
63 | .mode = SPI_MODE_3, | |
64 | }, | |
65 | }; | |
66 | ||
67 | static void r2d_chip_select(struct sh_spi_info *spi, int cs, int state) | |
68 | { | |
69 | BUG_ON(cs != 0); /* Single Epson RTC-9701JE attached on CS0 */ | |
70 | ctrl_outw(state == BITBANG_CS_ACTIVE, PA_RTCCE); | |
71 | } | |
72 | ||
73 | static struct sh_spi_info spi_info = { | |
74 | .num_chipselect = 1, | |
75 | .chip_select = r2d_chip_select, | |
76 | }; | |
77 | ||
78 | static struct resource spi_sh_sci_resources[] = { | |
79 | { | |
80 | .start = 0xffe00000, | |
81 | .end = 0xffe0001f, | |
82 | .flags = IORESOURCE_MEM, | |
83 | }, | |
84 | }; | |
85 | ||
86 | static struct platform_device spi_sh_sci_device = { | |
87 | .name = "spi_sh_sci", | |
88 | .id = -1, | |
89 | .num_resources = ARRAY_SIZE(spi_sh_sci_resources), | |
90 | .resource = spi_sh_sci_resources, | |
91 | .dev = { | |
92 | .platform_data = &spi_info, | |
93 | }, | |
94 | }; | |
95 | ||
f8b40d8c MD |
96 | static struct resource heartbeat_resources[] = { |
97 | [0] = { | |
98 | .start = PA_OUTPORT, | |
a1fd306b | 99 | .end = PA_OUTPORT, |
f8b40d8c MD |
100 | .flags = IORESOURCE_MEM, |
101 | }, | |
102 | }; | |
103 | ||
104 | static struct platform_device heartbeat_device = { | |
105 | .name = "heartbeat", | |
106 | .id = -1, | |
107 | .num_resources = ARRAY_SIZE(heartbeat_resources), | |
108 | .resource = heartbeat_resources, | |
109 | }; | |
110 | ||
c87a7111 PM |
111 | static struct resource sm501_resources[] = { |
112 | [0] = { | |
113 | .start = 0x10000000, | |
114 | .end = 0x13e00000 - 1, | |
115 | .flags = IORESOURCE_MEM, | |
116 | }, | |
117 | [1] = { | |
118 | .start = 0x13e00000, | |
119 | .end = 0x13ffffff, | |
120 | .flags = IORESOURCE_MEM, | |
121 | }, | |
122 | [2] = { | |
29ec6778 | 123 | .start = IRQ_VOYAGER, |
c87a7111 PM |
124 | .flags = IORESOURCE_IRQ, |
125 | }, | |
126 | }; | |
127 | ||
cbd10dfb MD |
128 | static struct fb_videomode sm501_default_mode = { |
129 | .pixclock = 35714, | |
130 | .xres = 640, | |
131 | .yres = 480, | |
132 | .left_margin = 105, | |
133 | .right_margin = 50, | |
134 | .upper_margin = 35, | |
135 | .lower_margin = 0, | |
136 | .hsync_len = 96, | |
137 | .vsync_len = 2, | |
138 | .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
139 | }; | |
140 | ||
141 | static struct sm501_platdata_fbsub sm501_pdata_fbsub_pnl = { | |
142 | .def_bpp = 16, | |
143 | .def_mode = &sm501_default_mode, | |
144 | .flags = SM501FB_FLAG_USE_INIT_MODE | | |
145 | SM501FB_FLAG_USE_HWCURSOR | | |
146 | SM501FB_FLAG_USE_HWACCEL | | |
147 | SM501FB_FLAG_DISABLE_AT_EXIT, | |
148 | }; | |
149 | ||
150 | static struct sm501_platdata_fbsub sm501_pdata_fbsub_crt = { | |
151 | .flags = (SM501FB_FLAG_USE_INIT_MODE | | |
152 | SM501FB_FLAG_USE_HWCURSOR | | |
153 | SM501FB_FLAG_USE_HWACCEL | | |
154 | SM501FB_FLAG_DISABLE_AT_EXIT), | |
155 | ||
156 | }; | |
157 | ||
158 | static struct sm501_platdata_fb sm501_fb_pdata = { | |
159 | .fb_route = SM501_FB_OWN, | |
160 | .fb_crt = &sm501_pdata_fbsub_crt, | |
161 | .fb_pnl = &sm501_pdata_fbsub_pnl, | |
162 | .flags = SM501_FBPD_SWAP_FB_ENDIAN, | |
163 | }; | |
164 | ||
29ec6778 | 165 | static struct sm501_initdata sm501_initdata = { |
fa7ff086 | 166 | .devices = SM501_USE_USB_HOST | SM501_USE_UART0, |
29ec6778 MD |
167 | }; |
168 | ||
cbd10dfb | 169 | static struct sm501_platdata sm501_platform_data = { |
29ec6778 | 170 | .init = &sm501_initdata, |
cbd10dfb MD |
171 | .fb = &sm501_fb_pdata, |
172 | }; | |
173 | ||
c87a7111 PM |
174 | static struct platform_device sm501_device = { |
175 | .name = "sm501", | |
176 | .id = -1, | |
cbd10dfb MD |
177 | .dev = { |
178 | .platform_data = &sm501_platform_data, | |
179 | }, | |
c87a7111 PM |
180 | .num_resources = ARRAY_SIZE(sm501_resources), |
181 | .resource = sm501_resources, | |
182 | }; | |
183 | ||
ade2b3f6 | 184 | static struct platform_device *rts7751r2d_devices[] __initdata = { |
c87a7111 | 185 | &sm501_device, |
f8b40d8c | 186 | &heartbeat_device, |
6582d7b7 | 187 | &spi_sh_sci_device, |
ade2b3f6 PM |
188 | }; |
189 | ||
2d952b4b MD |
190 | /* |
191 | * The CF is connected with a 16-bit bus where 8-bit operations are | |
192 | * unsupported. The linux ata driver is however using 8-bit operations, so | |
193 | * insert a trapped io filter to convert 8-bit operations into 16-bit. | |
194 | */ | |
195 | static struct trapped_io cf_trapped_io = { | |
196 | .resource = cf_ide_resources, | |
197 | .num_resources = 2, | |
198 | .minimum_bus_width = 16, | |
199 | }; | |
200 | ||
ade2b3f6 PM |
201 | static int __init rts7751r2d_devices_setup(void) |
202 | { | |
2d952b4b MD |
203 | if (register_trapped_io(&cf_trapped_io) == 0) |
204 | platform_device_register(&cf_ide_device); | |
e305ec80 | 205 | |
6582d7b7 | 206 | spi_register_board_info(spi_bus, ARRAY_SIZE(spi_bus)); |
e305ec80 | 207 | |
ade2b3f6 PM |
208 | return platform_add_devices(rts7751r2d_devices, |
209 | ARRAY_SIZE(rts7751r2d_devices)); | |
210 | } | |
9c57548f | 211 | __initcall(rts7751r2d_devices_setup); |
1da177e4 | 212 | |
a56d276c PM |
213 | static void rts7751r2d_power_off(void) |
214 | { | |
215 | ctrl_outw(0x0001, PA_POWOFF); | |
216 | } | |
217 | ||
1da177e4 LT |
218 | /* |
219 | * Initialize the board | |
220 | */ | |
2c7834a6 | 221 | static void __init rts7751r2d_setup(char **cmdline_p) |
1da177e4 | 222 | { |
29ec6778 | 223 | void __iomem *sm501_reg; |
9c57548f PM |
224 | u16 ver = ctrl_inw(PA_VERREG); |
225 | ||
226 | printk(KERN_INFO "Renesas Technology Sales RTS7751R2D support.\n"); | |
227 | ||
228 | printk(KERN_INFO "FPGA version:%d (revision:%d)\n", | |
229 | (ver >> 4) & 0xf, ver & 0xf); | |
2c7834a6 | 230 | |
1da177e4 | 231 | ctrl_outw(0x0000, PA_OUTPORT); |
a56d276c | 232 | pm_power_off = rts7751r2d_power_off; |
ade2b3f6 | 233 | |
29ec6778 MD |
234 | /* sm501 dram configuration: |
235 | * ColSizeX = 11 - External Memory Column Size: 256 words. | |
236 | * APX = 1 - External Memory Active to Pre-Charge Delay: 7 clocks. | |
237 | * RstX = 1 - External Memory Reset: Normal. | |
238 | * Rfsh = 1 - Local Memory Refresh to Command Delay: 12 clocks. | |
239 | * BwC = 1 - Local Memory Block Write Cycle Time: 2 clocks. | |
240 | * BwP = 1 - Local Memory Block Write to Pre-Charge Delay: 1 clock. | |
241 | * AP = 1 - Internal Memory Active to Pre-Charge Delay: 7 clocks. | |
242 | * Rst = 1 - Internal Memory Reset: Normal. | |
243 | * RA = 1 - Internal Memory Remain in Active State: Do not remain. | |
244 | */ | |
245 | ||
246 | sm501_reg = (void __iomem *)0xb3e00000 + SM501_DRAM_CONTROL; | |
247 | writel(readl(sm501_reg) | 0x00f107c0, sm501_reg); | |
1da177e4 | 248 | } |
2c7834a6 PM |
249 | |
250 | /* | |
251 | * The Machine Vector | |
252 | */ | |
82f81f47 | 253 | static struct sh_machine_vector mv_rts7751r2d __initmv = { |
2c7834a6 PM |
254 | .mv_name = "RTS7751R2D", |
255 | .mv_setup = rts7751r2d_setup, | |
2c7834a6 | 256 | .mv_init_irq = init_rts7751r2d_IRQ, |
2c7834a6 | 257 | .mv_irq_demux = rts7751r2d_irq_demux, |
2c7834a6 | 258 | }; |