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5283ecb5 PM |
1 | /* |
2 | * arch/sh/boards/renesas/r7780rp/setup.c | |
3 | * | |
32351a28 PM |
4 | * Renesas Solutions Highlander Support. |
5 | * | |
5283ecb5 | 6 | * Copyright (C) 2002 Atom Create Engineering Co., Ltd. |
71074d3a | 7 | * Copyright (C) 2005 - 2007 Paul Mundt |
5283ecb5 | 8 | * |
32351a28 PM |
9 | * This contains support for the R7780RP-1, R7780MP, and R7785RP |
10 | * Highlander modules. | |
5283ecb5 PM |
11 | * |
12 | * This file is subject to the terms and conditions of the GNU General Public | |
13 | * License. See the file "COPYING" in the main directory of this archive | |
14 | * for more details. | |
15 | */ | |
16 | #include <linux/init.h> | |
17 | #include <linux/platform_device.h> | |
71074d3a | 18 | #include <linux/pata_platform.h> |
5283ecb5 | 19 | #include <asm/machvec.h> |
082c44d2 | 20 | #include <asm/r7780rp.h> |
5283ecb5 | 21 | #include <asm/clock.h> |
8786c952 | 22 | #include <asm/heartbeat.h> |
5283ecb5 PM |
23 | #include <asm/io.h> |
24 | ||
e6c972f2 YS |
25 | static struct resource r8a66597_usb_host_resources[] = { |
26 | [0] = { | |
27 | .name = "r8a66597_hcd", | |
28 | .start = 0xA4200000, | |
29 | .end = 0xA42000FF, | |
30 | .flags = IORESOURCE_MEM, | |
31 | }, | |
32 | [1] = { | |
33 | .name = "r8a66597_hcd", | |
897cfcd8 MD |
34 | .start = IRQ_EXT1, /* irq number */ |
35 | .end = IRQ_EXT1, | |
e6c972f2 YS |
36 | .flags = IORESOURCE_IRQ, |
37 | }, | |
38 | }; | |
39 | ||
40 | static struct platform_device r8a66597_usb_host_device = { | |
41 | .name = "r8a66597_hcd", | |
42 | .id = -1, | |
43 | .dev = { | |
44 | .dma_mask = NULL, /* don't use dma */ | |
45 | .coherent_dma_mask = 0xffffffff, | |
46 | }, | |
47 | .num_resources = ARRAY_SIZE(r8a66597_usb_host_resources), | |
48 | .resource = r8a66597_usb_host_resources, | |
49 | }; | |
50 | ||
51 | static struct resource m66592_usb_peripheral_resources[] = { | |
52 | [0] = { | |
53 | .name = "m66592_udc", | |
54 | .start = 0xb0000000, | |
55 | .end = 0xb00000FF, | |
56 | .flags = IORESOURCE_MEM, | |
57 | }, | |
58 | [1] = { | |
59 | .name = "m66592_udc", | |
897cfcd8 MD |
60 | .start = IRQ_EXT4, /* irq number */ |
61 | .end = IRQ_EXT4, | |
e6c972f2 YS |
62 | .flags = IORESOURCE_IRQ, |
63 | }, | |
64 | }; | |
65 | ||
66 | static struct platform_device m66592_usb_peripheral_device = { | |
67 | .name = "m66592_udc", | |
68 | .id = -1, | |
69 | .dev = { | |
70 | .dma_mask = NULL, /* don't use dma */ | |
71 | .coherent_dma_mask = 0xffffffff, | |
72 | }, | |
73 | .num_resources = ARRAY_SIZE(m66592_usb_peripheral_resources), | |
74 | .resource = m66592_usb_peripheral_resources, | |
75 | }; | |
76 | ||
0c020e3d PM |
77 | static struct resource cf_ide_resources[] = { |
78 | [0] = { | |
71074d3a PM |
79 | .start = PA_AREA5_IO + 0x1000, |
80 | .end = PA_AREA5_IO + 0x1000 + 0x08 - 1, | |
81 | .flags = IORESOURCE_MEM, | |
0c020e3d PM |
82 | }, |
83 | [1] = { | |
71074d3a PM |
84 | .start = PA_AREA5_IO + 0x80c, |
85 | .end = PA_AREA5_IO + 0x80c + 0x16 - 1, | |
86 | .flags = IORESOURCE_MEM, | |
0c020e3d PM |
87 | }, |
88 | [2] = { | |
897cfcd8 | 89 | .start = IRQ_CF, |
0c020e3d PM |
90 | .flags = IORESOURCE_IRQ, |
91 | }, | |
92 | }; | |
93 | ||
71074d3a PM |
94 | static struct pata_platform_info pata_info = { |
95 | .ioport_shift = 1, | |
96 | }; | |
97 | ||
0c020e3d PM |
98 | static struct platform_device cf_ide_device = { |
99 | .name = "pata_platform", | |
100 | .id = -1, | |
101 | .num_resources = ARRAY_SIZE(cf_ide_resources), | |
102 | .resource = cf_ide_resources, | |
71074d3a PM |
103 | .dev = { |
104 | .platform_data = &pata_info, | |
105 | }, | |
0c020e3d PM |
106 | }; |
107 | ||
3b4d9539 PM |
108 | static struct resource heartbeat_resources[] = { |
109 | [0] = { | |
110 | .start = PA_OBLED, | |
a1fd306b | 111 | .end = PA_OBLED, |
3b4d9539 PM |
112 | .flags = IORESOURCE_MEM, |
113 | }, | |
114 | }; | |
115 | ||
8786c952 PM |
116 | #ifndef CONFIG_SH_R7785RP |
117 | static unsigned char heartbeat_bit_pos[] = { 2, 1, 0, 3, 6, 5, 4, 7 }; | |
118 | ||
119 | static struct heartbeat_data heartbeat_data = { | |
120 | .bit_pos = heartbeat_bit_pos, | |
121 | .nr_bits = ARRAY_SIZE(heartbeat_bit_pos), | |
122 | }; | |
123 | #endif | |
124 | ||
3b4d9539 PM |
125 | static struct platform_device heartbeat_device = { |
126 | .name = "heartbeat", | |
127 | .id = -1, | |
32351a28 PM |
128 | |
129 | /* R7785RP has a slightly more sensible FPGA.. */ | |
130 | #ifndef CONFIG_SH_R7785RP | |
3b4d9539 | 131 | .dev = { |
a1fd306b | 132 | .platform_data = &heartbeat_data, |
3b4d9539 | 133 | }, |
32351a28 | 134 | #endif |
3b4d9539 PM |
135 | .num_resources = ARRAY_SIZE(heartbeat_resources), |
136 | .resource = heartbeat_resources, | |
137 | }; | |
138 | ||
5283ecb5 | 139 | static struct platform_device *r7780rp_devices[] __initdata = { |
e6c972f2 YS |
140 | &r8a66597_usb_host_device, |
141 | &m66592_usb_peripheral_device, | |
0c020e3d | 142 | &cf_ide_device, |
3b4d9539 | 143 | &heartbeat_device, |
5283ecb5 PM |
144 | }; |
145 | ||
146 | static int __init r7780rp_devices_setup(void) | |
147 | { | |
148 | return platform_add_devices(r7780rp_devices, | |
149 | ARRAY_SIZE(r7780rp_devices)); | |
150 | } | |
32351a28 | 151 | device_initcall(r7780rp_devices_setup); |
5283ecb5 PM |
152 | |
153 | /* | |
154 | * Platform specific clocks | |
155 | */ | |
156 | static void ivdr_clk_enable(struct clk *clk) | |
157 | { | |
39374aad | 158 | ctrl_outw(ctrl_inw(PA_IVDRCTL) | (1 << IVDR_CK_ON), PA_IVDRCTL); |
5283ecb5 PM |
159 | } |
160 | ||
161 | static void ivdr_clk_disable(struct clk *clk) | |
162 | { | |
39374aad | 163 | ctrl_outw(ctrl_inw(PA_IVDRCTL) & ~(1 << IVDR_CK_ON), PA_IVDRCTL); |
5283ecb5 PM |
164 | } |
165 | ||
166 | static struct clk_ops ivdr_clk_ops = { | |
167 | .enable = ivdr_clk_enable, | |
168 | .disable = ivdr_clk_disable, | |
169 | }; | |
170 | ||
171 | static struct clk ivdr_clk = { | |
172 | .name = "ivdr_clk", | |
173 | .ops = &ivdr_clk_ops, | |
174 | }; | |
175 | ||
176 | static struct clk *r7780rp_clocks[] = { | |
177 | &ivdr_clk, | |
178 | }; | |
179 | ||
5283ecb5 PM |
180 | static void r7780rp_power_off(void) |
181 | { | |
32351a28 PM |
182 | if (mach_is_r7780mp() || mach_is_r7785rp()) |
183 | ctrl_outw(0x0001, PA_POFF); | |
5283ecb5 PM |
184 | } |
185 | ||
186 | /* | |
187 | * Initialize the board | |
188 | */ | |
32351a28 | 189 | static void __init highlander_setup(char **cmdline_p) |
5283ecb5 PM |
190 | { |
191 | u16 ver = ctrl_inw(PA_VERREG); | |
192 | int i; | |
193 | ||
32351a28 PM |
194 | printk(KERN_INFO "Renesas Solutions Highlander %s support.\n", |
195 | mach_is_r7780rp() ? "R7780RP-1" : | |
196 | mach_is_r7780mp() ? "R7780MP" : | |
197 | "R7785RP"); | |
5283ecb5 PM |
198 | |
199 | printk(KERN_INFO "Board version: %d (revision %d), " | |
200 | "FPGA version: %d (revision %d)\n", | |
201 | (ver >> 12) & 0xf, (ver >> 8) & 0xf, | |
202 | (ver >> 4) & 0xf, ver & 0xf); | |
203 | ||
204 | /* | |
205 | * Enable the important clocks right away.. | |
206 | */ | |
207 | for (i = 0; i < ARRAY_SIZE(r7780rp_clocks); i++) { | |
208 | struct clk *clk = r7780rp_clocks[i]; | |
209 | ||
210 | clk_register(clk); | |
211 | clk_enable(clk); | |
212 | } | |
213 | ||
214 | ctrl_outw(0x0000, PA_OBLED); /* Clear LED. */ | |
32351a28 PM |
215 | |
216 | if (mach_is_r7780rp()) | |
217 | ctrl_outw(0x0001, PA_SDPOW); /* SD Power ON */ | |
218 | ||
2c081e71 | 219 | ctrl_outw(ctrl_inw(PA_IVDRCTL) | 0x01, PA_IVDRCTL); /* Si13112 */ |
5283ecb5 PM |
220 | |
221 | pm_power_off = r7780rp_power_off; | |
222 | } | |
2c7834a6 | 223 | |
897cfcd8 MD |
224 | static unsigned char irl2irq[HL_NR_IRL]; |
225 | ||
226 | int highlander_irq_demux(int irq) | |
227 | { | |
228 | if (irq >= HL_NR_IRL || !irl2irq[irq]) | |
229 | return irq; | |
230 | ||
231 | return irl2irq[irq]; | |
232 | } | |
233 | ||
234 | void __init highlander_init_irq(void) | |
235 | { | |
236 | unsigned char *ucp = NULL; | |
237 | ||
238 | do { | |
239 | #ifdef CONFIG_SH_R7780MP | |
240 | ucp = highlander_init_irq_r7780mp(); | |
241 | if (ucp) | |
242 | break; | |
243 | #endif | |
244 | #ifdef CONFIG_SH_R7785RP | |
245 | ucp = highlander_init_irq_r7785rp(); | |
246 | if (ucp) | |
247 | break; | |
248 | #endif | |
249 | #ifdef CONFIG_SH_R7780RP | |
250 | highlander_init_irq_r7780rp(); | |
251 | ucp = irl2irq; | |
252 | break; | |
253 | #endif | |
254 | } while (0); | |
255 | ||
256 | if (ucp) { | |
257 | plat_irq_setup_pins(IRQ_MODE_IRL3210); | |
258 | memcpy(irl2irq, ucp, HL_NR_IRL); | |
259 | } | |
260 | } | |
261 | ||
2c7834a6 PM |
262 | /* |
263 | * The Machine Vector | |
264 | */ | |
82f81f47 | 265 | static struct sh_machine_vector mv_highlander __initmv = { |
32351a28 | 266 | .mv_name = "Highlander", |
32351a28 PM |
267 | .mv_setup = highlander_setup, |
268 | .mv_init_irq = highlander_init_irq, | |
897cfcd8 | 269 | .mv_irq_demux = highlander_irq_demux, |
2c7834a6 | 270 | }; |