diff options
Diffstat (limited to 'arch/sh/boards/renesas')
-rw-r--r-- | arch/sh/boards/renesas/r7780rp/Kconfig | 14 | ||||
-rw-r--r-- | arch/sh/boards/renesas/r7780rp/Makefile | 6 | ||||
-rw-r--r-- | arch/sh/boards/renesas/r7780rp/io.c | 338 | ||||
-rw-r--r-- | arch/sh/boards/renesas/r7780rp/irq.c | 123 | ||||
-rw-r--r-- | arch/sh/boards/renesas/r7780rp/led.c | 45 | ||||
-rw-r--r-- | arch/sh/boards/renesas/r7780rp/setup.c | 164 |
6 files changed, 690 insertions, 0 deletions
diff --git a/arch/sh/boards/renesas/r7780rp/Kconfig b/arch/sh/boards/renesas/r7780rp/Kconfig new file mode 100644 index 000000000000..c26d9813d239 --- /dev/null +++ b/arch/sh/boards/renesas/r7780rp/Kconfig | |||
@@ -0,0 +1,14 @@ | |||
1 | if SH_R7780RP | ||
2 | |||
3 | menu "R7780RP options" | ||
4 | |||
5 | config SH_R7780MP | ||
6 | bool "R7780MP board support" | ||
7 | default y | ||
8 | help | ||
9 | Selecting this option will enable support for the mass-production | ||
10 | version of the R7780RP. If in doubt, say Y. | ||
11 | |||
12 | endmenu | ||
13 | |||
14 | endif | ||
diff --git a/arch/sh/boards/renesas/r7780rp/Makefile b/arch/sh/boards/renesas/r7780rp/Makefile new file mode 100644 index 000000000000..f1776d027978 --- /dev/null +++ b/arch/sh/boards/renesas/r7780rp/Makefile | |||
@@ -0,0 +1,6 @@ | |||
1 | # | ||
2 | # Makefile for the R7780RP-1 specific parts of the kernel | ||
3 | # | ||
4 | |||
5 | obj-y := setup.o io.o irq.o | ||
6 | obj-$(CONFIG_HEARTBEAT) += led.o | ||
diff --git a/arch/sh/boards/renesas/r7780rp/io.c b/arch/sh/boards/renesas/r7780rp/io.c new file mode 100644 index 000000000000..f73ca3f0f5a1 --- /dev/null +++ b/arch/sh/boards/renesas/r7780rp/io.c | |||
@@ -0,0 +1,338 @@ | |||
1 | /* | ||
2 | * linux/arch/sh/kernel/io_r7780rp.c | ||
3 | * | ||
4 | * Copyright (C) 2001 Ian da Silva, Jeremy Siegel | ||
5 | * Based largely on io_se.c. | ||
6 | * | ||
7 | * I/O routine for Renesas Solutions Highlander R7780RP-1 | ||
8 | * | ||
9 | * Initial version only to support LAN access; some | ||
10 | * placeholder code from io_r7780rp.c left in with the | ||
11 | * expectation of later SuperIO and PCMCIA access. | ||
12 | */ | ||
13 | |||
14 | #include <linux/kernel.h> | ||
15 | #include <linux/types.h> | ||
16 | #include <asm/r7780rp/r7780rp.h> | ||
17 | #include <asm/addrspace.h> | ||
18 | #include <asm/io.h> | ||
19 | |||
20 | #include <linux/module.h> | ||
21 | #include <linux/pci.h> | ||
22 | #include "../../../drivers/pci/pci-sh7780.h" | ||
23 | |||
24 | /* | ||
25 | * The 7780 R7780RP-1 uses the built-in PCI controller (PCIC) | ||
26 | * of the 7780 processor, and has a SuperIO accessible via the PCI. | ||
27 | * The board also includes a PCMCIA controller on its memory bus, | ||
28 | * like the other Solution Engine boards. | ||
29 | */ | ||
30 | |||
31 | #define SH7780_PCIIOBR_MASK 0xFFFC0000 /* IO Space Mask */ | ||
32 | #define PCIIOBR (volatile long *)PCI_REG(SH7780_PCIIOBR) | ||
33 | #define PCIMBR (volatile long *)PCI_REG(SH7780_PCIMBR) | ||
34 | #define PCI_IO_AREA SH7780_PCI_IO_BASE | ||
35 | #define PCI_MEM_AREA SH7780_PCI_CONFIG_BASE | ||
36 | |||
37 | #define PCI_IOMAP(adr) (PCI_IO_AREA + (adr & ~SH7780_PCIIOBR_MASK)) | ||
38 | |||
39 | static inline void delay(void) | ||
40 | { | ||
41 | ctrl_inw(0xa0000000); | ||
42 | } | ||
43 | |||
44 | static inline unsigned long port2adr(unsigned int port) | ||
45 | { | ||
46 | if ((0x1f0 <= port && port < 0x1f8) || port == 0x3f6) | ||
47 | if (port == 0x3f6) | ||
48 | return (PA_AREA5_IO + 0x80c); | ||
49 | else | ||
50 | return (PA_AREA5_IO + 0x1000 + ((port-0x1f0) << 1)); | ||
51 | else | ||
52 | maybebadio((unsigned long)port); | ||
53 | |||
54 | return port; | ||
55 | } | ||
56 | |||
57 | static inline unsigned long port88796l(unsigned int port, int flag) | ||
58 | { | ||
59 | unsigned long addr; | ||
60 | |||
61 | if (flag) | ||
62 | addr = PA_AX88796L + ((port - AX88796L_IO_BASE) << 1); | ||
63 | else | ||
64 | addr = PA_AX88796L + ((port - AX88796L_IO_BASE) << 1) + 0x1000; | ||
65 | |||
66 | return addr; | ||
67 | } | ||
68 | |||
69 | /* The 7780 R7780RP-1 seems to have everything hooked */ | ||
70 | /* up pretty normally (nothing on high-bytes only...) so this */ | ||
71 | /* shouldn't be needed */ | ||
72 | static inline int shifted_port(unsigned long port) | ||
73 | { | ||
74 | /* For IDE registers, value is not shifted */ | ||
75 | if ((0x1f0 <= port && port < 0x1f8) || port == 0x3f6) | ||
76 | return 0; | ||
77 | else | ||
78 | return 1; | ||
79 | } | ||
80 | |||
81 | /* In case someone configures the kernel w/o PCI support: in that */ | ||
82 | /* scenario, don't ever bother to check for PCI-window addresses */ | ||
83 | |||
84 | /* NOTE: WINDOW CHECK MAY BE A BIT OFF, HIGH PCIBIOS_MIN_IO WRAPS? */ | ||
85 | #if defined(CONFIG_PCI) | ||
86 | #define CHECK_SH7780_PCIIO(port) \ | ||
87 | ((port >= PCIBIOS_MIN_IO) && (port < (PCIBIOS_MIN_IO + SH7780_PCI_IO_SIZE))) | ||
88 | #else | ||
89 | #define CHECK_SH7780_PCIIO(port) (0) | ||
90 | #endif | ||
91 | |||
92 | #if defined(CONFIG_NE2000) || defined(CONFIG_NE2000_MODULE) | ||
93 | #define CHECK_AX88796L_PORT(port) \ | ||
94 | ((port >= AX88796L_IO_BASE) && (port < (AX88796L_IO_BASE+0x20))) | ||
95 | #else | ||
96 | #define CHECK_AX88796L_PORT(port) (0) | ||
97 | #endif | ||
98 | |||
99 | /* | ||
100 | * General outline: remap really low stuff [eventually] to SuperIO, | ||
101 | * stuff in PCI IO space (at or above window at pci.h:PCIBIOS_MIN_IO) | ||
102 | * is mapped through the PCI IO window. Stuff with high bits (PXSEG) | ||
103 | * should be way beyond the window, and is used w/o translation for | ||
104 | * compatibility. | ||
105 | */ | ||
106 | u8 r7780rp_inb(unsigned long port) | ||
107 | { | ||
108 | if (CHECK_AX88796L_PORT(port)) | ||
109 | return ctrl_inw(port88796l(port, 0)) & 0xff; | ||
110 | else if (PXSEG(port)) | ||
111 | return ctrl_inb(port); | ||
112 | else if (CHECK_SH7780_PCIIO(port) || shifted_port(port)) | ||
113 | return ctrl_inb(PCI_IOMAP(port)); | ||
114 | |||
115 | return ctrl_inw(port2adr(port)) & 0xff; | ||
116 | } | ||
117 | |||
118 | u8 r7780rp_inb_p(unsigned long port) | ||
119 | { | ||
120 | u8 v; | ||
121 | |||
122 | if (CHECK_AX88796L_PORT(port)) | ||
123 | v = ctrl_inw(port88796l(port, 0)) & 0xff; | ||
124 | else if (PXSEG(port)) | ||
125 | v = ctrl_inb(port); | ||
126 | else if (CHECK_SH7780_PCIIO(port) || shifted_port(port)) | ||
127 | v = ctrl_inb(PCI_IOMAP(port)); | ||
128 | else | ||
129 | v = ctrl_inw(port2adr(port)) & 0xff; | ||
130 | |||
131 | delay(); | ||
132 | |||
133 | return v; | ||
134 | } | ||
135 | |||
136 | u16 r7780rp_inw(unsigned long port) | ||
137 | { | ||
138 | if (CHECK_AX88796L_PORT(port)) | ||
139 | maybebadio(port); | ||
140 | else if (PXSEG(port)) | ||
141 | return ctrl_inw(port); | ||
142 | else if (CHECK_SH7780_PCIIO(port) || shifted_port(port)) | ||
143 | return ctrl_inw(PCI_IOMAP(port)); | ||
144 | else | ||
145 | maybebadio(port); | ||
146 | |||
147 | return 0; | ||
148 | } | ||
149 | |||
150 | u32 r7780rp_inl(unsigned long port) | ||
151 | { | ||
152 | if (CHECK_AX88796L_PORT(port)) | ||
153 | maybebadio(port); | ||
154 | else if (PXSEG(port)) | ||
155 | return ctrl_inl(port); | ||
156 | else if (CHECK_SH7780_PCIIO(port) || shifted_port(port)) | ||
157 | return ctrl_inl(PCI_IOMAP(port)); | ||
158 | else | ||
159 | maybebadio(port); | ||
160 | |||
161 | return 0; | ||
162 | } | ||
163 | |||
164 | void r7780rp_outb(u8 value, unsigned long port) | ||
165 | { | ||
166 | if (CHECK_AX88796L_PORT(port)) | ||
167 | ctrl_outw(value, port88796l(port, 0)); | ||
168 | else if (PXSEG(port)) | ||
169 | ctrl_outb(value, port); | ||
170 | else if (CHECK_SH7780_PCIIO(port) || shifted_port(port)) | ||
171 | ctrl_outb(value, PCI_IOMAP(port)); | ||
172 | else | ||
173 | ctrl_outw(value, port2adr(port)); | ||
174 | } | ||
175 | |||
176 | void r7780rp_outb_p(u8 value, unsigned long port) | ||
177 | { | ||
178 | if (CHECK_AX88796L_PORT(port)) | ||
179 | ctrl_outw(value, port88796l(port, 0)); | ||
180 | else if (PXSEG(port)) | ||
181 | ctrl_outb(value, port); | ||
182 | else if (CHECK_SH7780_PCIIO(port) || shifted_port(port)) | ||
183 | ctrl_outb(value, PCI_IOMAP(port)); | ||
184 | else | ||
185 | ctrl_outw(value, port2adr(port)); | ||
186 | |||
187 | delay(); | ||
188 | } | ||
189 | |||
190 | void r7780rp_outw(u16 value, unsigned long port) | ||
191 | { | ||
192 | if (CHECK_AX88796L_PORT(port)) | ||
193 | maybebadio(port); | ||
194 | else if (PXSEG(port)) | ||
195 | ctrl_outw(value, port); | ||
196 | else if (CHECK_SH7780_PCIIO(port) || shifted_port(port)) | ||
197 | ctrl_outw(value, PCI_IOMAP(port)); | ||
198 | else | ||
199 | maybebadio(port); | ||
200 | } | ||
201 | |||
202 | void r7780rp_outl(u32 value, unsigned long port) | ||
203 | { | ||
204 | if (CHECK_AX88796L_PORT(port)) | ||
205 | maybebadio(port); | ||
206 | else if (PXSEG(port)) | ||
207 | ctrl_outl(value, port); | ||
208 | else if (CHECK_SH7780_PCIIO(port) || shifted_port(port)) | ||
209 | ctrl_outl(value, PCI_IOMAP(port)); | ||
210 | else | ||
211 | maybebadio(port); | ||
212 | } | ||
213 | |||
214 | void r7780rp_insb(unsigned long port, void *dst, unsigned long count) | ||
215 | { | ||
216 | volatile u16 *p; | ||
217 | u8 *buf = dst; | ||
218 | |||
219 | if (CHECK_AX88796L_PORT(port)) { | ||
220 | p = (volatile u16 *)port88796l(port, 0); | ||
221 | while (count--) | ||
222 | *buf++ = *p & 0xff; | ||
223 | } else if (PXSEG(port)) { | ||
224 | while (count--) | ||
225 | *buf++ = *(volatile u8 *)port; | ||
226 | } else if (CHECK_SH7780_PCIIO(port) || shifted_port(port)) { | ||
227 | volatile u8 *bp = (volatile u8 *)PCI_IOMAP(port); | ||
228 | |||
229 | while (count--) | ||
230 | *buf++ = *bp; | ||
231 | } else { | ||
232 | p = (volatile u16 *)port2adr(port); | ||
233 | while (count--) | ||
234 | *buf++ = *p & 0xff; | ||
235 | } | ||
236 | } | ||
237 | |||
238 | void r7780rp_insw(unsigned long port, void *dst, unsigned long count) | ||
239 | { | ||
240 | volatile u16 *p; | ||
241 | u16 *buf = dst; | ||
242 | |||
243 | if (CHECK_AX88796L_PORT(port)) | ||
244 | p = (volatile u16 *)port88796l(port, 1); | ||
245 | else if (PXSEG(port)) | ||
246 | p = (volatile u16 *)port; | ||
247 | else if (CHECK_SH7780_PCIIO(port) || shifted_port(port)) | ||
248 | p = (volatile u16 *)PCI_IOMAP(port); | ||
249 | else | ||
250 | p = (volatile u16 *)port2adr(port); | ||
251 | |||
252 | while (count--) | ||
253 | *buf++ = *p; | ||
254 | } | ||
255 | |||
256 | void r7780rp_insl(unsigned long port, void *dst, unsigned long count) | ||
257 | { | ||
258 | u32 *buf = dst; | ||
259 | |||
260 | if (CHECK_AX88796L_PORT(port)) | ||
261 | maybebadio(port); | ||
262 | else if (CHECK_SH7780_PCIIO(port) || shifted_port(port)) { | ||
263 | volatile u32 *p = (volatile u32 *)PCI_IOMAP(port); | ||
264 | |||
265 | while (count--) | ||
266 | *buf++ = *p; | ||
267 | } else | ||
268 | maybebadio(port); | ||
269 | } | ||
270 | |||
271 | void r7780rp_outsb(unsigned long port, const void *src, unsigned long count) | ||
272 | { | ||
273 | volatile u16 *p; | ||
274 | const u8 *buf = src; | ||
275 | |||
276 | if (CHECK_AX88796L_PORT(port)) { | ||
277 | p = (volatile u16 *)port88796l(port, 0); | ||
278 | while (count--) | ||
279 | *p = *buf++; | ||
280 | } else if (PXSEG(port)) | ||
281 | while (count--) | ||
282 | ctrl_outb(*buf++, port); | ||
283 | else if (CHECK_SH7780_PCIIO(port) || shifted_port(port)) { | ||
284 | volatile u8 *bp = (volatile u8 *)PCI_IOMAP(port); | ||
285 | |||
286 | while (count--) | ||
287 | *bp = *buf++; | ||
288 | } else { | ||
289 | p = (volatile u16 *)port2adr(port); | ||
290 | while (count--) | ||
291 | *p = *buf++; | ||
292 | } | ||
293 | } | ||
294 | |||
295 | void r7780rp_outsw(unsigned long port, const void *src, unsigned long count) | ||
296 | { | ||
297 | volatile u16 *p; | ||
298 | const u16 *buf = src; | ||
299 | |||
300 | if (CHECK_AX88796L_PORT(port)) | ||
301 | p = (volatile u16 *)port88796l(port, 1); | ||
302 | else if (PXSEG(port)) | ||
303 | p = (volatile u16 *)port; | ||
304 | else if (CHECK_SH7780_PCIIO(port) || shifted_port(port)) | ||
305 | p = (volatile u16 *)PCI_IOMAP(port); | ||
306 | else | ||
307 | p = (volatile u16 *)port2adr(port); | ||
308 | |||
309 | while (count--) | ||
310 | *p = *buf++; | ||
311 | } | ||
312 | |||
313 | void r7780rp_outsl(unsigned long port, const void *src, unsigned long count) | ||
314 | { | ||
315 | const u32 *buf = src; | ||
316 | |||
317 | if (CHECK_AX88796L_PORT(port)) | ||
318 | maybebadio(port); | ||
319 | else if (CHECK_SH7780_PCIIO(port) || shifted_port(port)) { | ||
320 | volatile u32 *p = (volatile u32 *)PCI_IOMAP(port); | ||
321 | |||
322 | while (count--) | ||
323 | *p = *buf++; | ||
324 | } else | ||
325 | maybebadio(port); | ||
326 | } | ||
327 | |||
328 | void __iomem *r7780rp_ioport_map(unsigned long port, unsigned int size) | ||
329 | { | ||
330 | if (CHECK_AX88796L_PORT(port)) | ||
331 | return (void __iomem *)port88796l(port, size > 1); | ||
332 | else if (PXSEG(port)) | ||
333 | return (void __iomem *)port; | ||
334 | else if (CHECK_SH7780_PCIIO(port) || shifted_port(port)) | ||
335 | return (void __iomem *)PCI_IOMAP(port); | ||
336 | |||
337 | return (void __iomem *)port2adr(port); | ||
338 | } | ||
diff --git a/arch/sh/boards/renesas/r7780rp/irq.c b/arch/sh/boards/renesas/r7780rp/irq.c new file mode 100644 index 000000000000..c7b9fe6e640d --- /dev/null +++ b/arch/sh/boards/renesas/r7780rp/irq.c | |||
@@ -0,0 +1,123 @@ | |||
1 | /* | ||
2 | * linux/arch/sh/boards/renesas/r7780rp/irq.c | ||
3 | * | ||
4 | * Copyright (C) 2000 Kazumoto Kojima | ||
5 | * | ||
6 | * Renesas Solutions Highlander R7780RP-1 Support. | ||
7 | * | ||
8 | * Modified for R7780RP-1 by | ||
9 | * Atom Create Engineering Co., Ltd. 2002. | ||
10 | */ | ||
11 | |||
12 | #include <linux/config.h> | ||
13 | #include <linux/init.h> | ||
14 | #include <linux/irq.h> | ||
15 | #include <asm/io.h> | ||
16 | #include <asm/irq.h> | ||
17 | #include <asm/r7780rp/r7780rp.h> | ||
18 | |||
19 | #ifdef CONFIG_SH_R7780MP | ||
20 | static int mask_pos[] = {12, 11, 9, 14, 15, 8, 13, 6, 5, 4, 3, 2, 0, 0, 1, 0}; | ||
21 | #else | ||
22 | static int mask_pos[] = {15, 14, 13, 12, 11, 10, 9, 8, 7, 5, 6, 4, 0, 1, 2, 0}; | ||
23 | #endif | ||
24 | |||
25 | static void enable_r7780rp_irq(unsigned int irq); | ||
26 | static void disable_r7780rp_irq(unsigned int irq); | ||
27 | |||
28 | /* shutdown is same as "disable" */ | ||
29 | #define shutdown_r7780rp_irq disable_r7780rp_irq | ||
30 | |||
31 | static void ack_r7780rp_irq(unsigned int irq); | ||
32 | static void end_r7780rp_irq(unsigned int irq); | ||
33 | |||
34 | static unsigned int startup_r7780rp_irq(unsigned int irq) | ||
35 | { | ||
36 | enable_r7780rp_irq(irq); | ||
37 | return 0; /* never anything pending */ | ||
38 | } | ||
39 | |||
40 | static void disable_r7780rp_irq(unsigned int irq) | ||
41 | { | ||
42 | unsigned long flags; | ||
43 | unsigned short val; | ||
44 | unsigned short mask = 0xffff ^ (0x0001 << mask_pos[irq]); | ||
45 | |||
46 | /* Set the priority in IPR to 0 */ | ||
47 | local_irq_save(flags); | ||
48 | val = ctrl_inw(IRLCNTR1); | ||
49 | val &= mask; | ||
50 | ctrl_outw(val, IRLCNTR1); | ||
51 | local_irq_restore(flags); | ||
52 | } | ||
53 | |||
54 | static void enable_r7780rp_irq(unsigned int irq) | ||
55 | { | ||
56 | unsigned long flags; | ||
57 | unsigned short val; | ||
58 | unsigned short value = (0x0001 << mask_pos[irq]); | ||
59 | |||
60 | /* Set priority in IPR back to original value */ | ||
61 | local_irq_save(flags); | ||
62 | val = ctrl_inw(IRLCNTR1); | ||
63 | val |= value; | ||
64 | ctrl_outw(val, IRLCNTR1); | ||
65 | local_irq_restore(flags); | ||
66 | } | ||
67 | |||
68 | static void ack_r7780rp_irq(unsigned int irq) | ||
69 | { | ||
70 | disable_r7780rp_irq(irq); | ||
71 | } | ||
72 | |||
73 | static void end_r7780rp_irq(unsigned int irq) | ||
74 | { | ||
75 | if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) | ||
76 | enable_r7780rp_irq(irq); | ||
77 | } | ||
78 | |||
79 | static struct hw_interrupt_type r7780rp_irq_type = { | ||
80 | .typename = "R7780RP-IRQ", | ||
81 | .startup = startup_r7780rp_irq, | ||
82 | .shutdown = shutdown_r7780rp_irq, | ||
83 | .enable = enable_r7780rp_irq, | ||
84 | .disable = disable_r7780rp_irq, | ||
85 | .ack = ack_r7780rp_irq, | ||
86 | .end = end_r7780rp_irq, | ||
87 | }; | ||
88 | |||
89 | static void make_r7780rp_irq(unsigned int irq) | ||
90 | { | ||
91 | disable_irq_nosync(irq); | ||
92 | irq_desc[irq].handler = &r7780rp_irq_type; | ||
93 | disable_r7780rp_irq(irq); | ||
94 | } | ||
95 | |||
96 | /* | ||
97 | * Initialize IRQ setting | ||
98 | */ | ||
99 | void __init init_r7780rp_IRQ(void) | ||
100 | { | ||
101 | int i; | ||
102 | |||
103 | /* IRL0=PCI Slot #A | ||
104 | * IRL1=PCI Slot #B | ||
105 | * IRL2=PCI Slot #C | ||
106 | * IRL3=PCI Slot #D | ||
107 | * IRL4=CF Card | ||
108 | * IRL5=CF Card Insert | ||
109 | * IRL6=M66596 | ||
110 | * IRL7=SD Card | ||
111 | * IRL8=Touch Panel | ||
112 | * IRL9=SCI | ||
113 | * IRL10=Serial | ||
114 | * IRL11=Extention #A | ||
115 | * IRL11=Extention #B | ||
116 | * IRL12=Debug LAN | ||
117 | * IRL13=Push Switch | ||
118 | * IRL14=ZiggBee IO | ||
119 | */ | ||
120 | |||
121 | for (i=0; i<15; i++) | ||
122 | make_r7780rp_irq(i); | ||
123 | } | ||
diff --git a/arch/sh/boards/renesas/r7780rp/led.c b/arch/sh/boards/renesas/r7780rp/led.c new file mode 100644 index 000000000000..9f02766b6f53 --- /dev/null +++ b/arch/sh/boards/renesas/r7780rp/led.c | |||
@@ -0,0 +1,45 @@ | |||
1 | /* | ||
2 | * Copyright (C) Atom Create Engineering Co., Ltd. | ||
3 | * | ||
4 | * May be copied or modified under the terms of GNU General Public | ||
5 | * License. See linux/COPYING for more information. | ||
6 | * | ||
7 | * This file contains Renesas Solutions HIGHLANDER R7780RP-1 specific LED code. | ||
8 | */ | ||
9 | |||
10 | #include <linux/config.h> | ||
11 | #include <linux/sched.h> | ||
12 | #include <asm/io.h> | ||
13 | #include <asm/r7780rp/r7780rp.h> | ||
14 | |||
15 | /* Cycle the LED's in the clasic Knightriger/Sun pattern */ | ||
16 | void heartbeat_r7780rp(void) | ||
17 | { | ||
18 | static unsigned int cnt = 0, period = 0; | ||
19 | volatile unsigned short *p = (volatile unsigned short *)PA_OBLED; | ||
20 | static unsigned bit = 0, up = 1; | ||
21 | unsigned bit_pos[] = {2, 1, 0, 3, 6, 5, 4, 7}; | ||
22 | |||
23 | cnt += 1; | ||
24 | if (cnt < period) | ||
25 | return; | ||
26 | |||
27 | cnt = 0; | ||
28 | |||
29 | /* Go through the points (roughly!): | ||
30 | * f(0)=10, f(1)=16, f(2)=20, f(5)=35, f(int)->110 | ||
31 | */ | ||
32 | period = 110 - ((300 << FSHIFT)/((avenrun[0]/5) + (3<<FSHIFT))); | ||
33 | |||
34 | *p = 1 << bit_pos[bit]; | ||
35 | if (up) | ||
36 | if (bit == 7) { | ||
37 | bit--; | ||
38 | up = 0; | ||
39 | } else | ||
40 | bit++; | ||
41 | else if (bit == 0) | ||
42 | up = 1; | ||
43 | else | ||
44 | bit--; | ||
45 | } | ||
diff --git a/arch/sh/boards/renesas/r7780rp/setup.c b/arch/sh/boards/renesas/r7780rp/setup.c new file mode 100644 index 000000000000..0e4d5e1b541c --- /dev/null +++ b/arch/sh/boards/renesas/r7780rp/setup.c | |||
@@ -0,0 +1,164 @@ | |||
1 | /* | ||
2 | * arch/sh/boards/renesas/r7780rp/setup.c | ||
3 | * | ||
4 | * Copyright (C) 2002 Atom Create Engineering Co., Ltd. | ||
5 | * Copyright (C) 2005, 2006 Paul Mundt | ||
6 | * | ||
7 | * Renesas Solutions Highlander R7780RP-1 Support. | ||
8 | * | ||
9 | * This file is subject to the terms and conditions of the GNU General Public | ||
10 | * License. See the file "COPYING" in the main directory of this archive | ||
11 | * for more details. | ||
12 | */ | ||
13 | #include <linux/init.h> | ||
14 | #include <linux/platform_device.h> | ||
15 | #include <asm/machvec.h> | ||
16 | #include <asm/r7780rp/r7780rp.h> | ||
17 | #include <asm/clock.h> | ||
18 | #include <asm/io.h> | ||
19 | |||
20 | extern void heartbeat_r7780rp(void); | ||
21 | extern void init_r7780rp_IRQ(void); | ||
22 | |||
23 | /* | ||
24 | * The Machine Vector | ||
25 | */ | ||
26 | struct sh_machine_vector mv_r7780rp __initmv = { | ||
27 | .mv_nr_irqs = 109, | ||
28 | |||
29 | .mv_inb = r7780rp_inb, | ||
30 | .mv_inw = r7780rp_inw, | ||
31 | .mv_inl = r7780rp_inl, | ||
32 | .mv_outb = r7780rp_outb, | ||
33 | .mv_outw = r7780rp_outw, | ||
34 | .mv_outl = r7780rp_outl, | ||
35 | |||
36 | .mv_inb_p = r7780rp_inb_p, | ||
37 | .mv_inw_p = r7780rp_inw, | ||
38 | .mv_inl_p = r7780rp_inl, | ||
39 | .mv_outb_p = r7780rp_outb_p, | ||
40 | .mv_outw_p = r7780rp_outw, | ||
41 | .mv_outl_p = r7780rp_outl, | ||
42 | |||
43 | .mv_insb = r7780rp_insb, | ||
44 | .mv_insw = r7780rp_insw, | ||
45 | .mv_insl = r7780rp_insl, | ||
46 | .mv_outsb = r7780rp_outsb, | ||
47 | .mv_outsw = r7780rp_outsw, | ||
48 | .mv_outsl = r7780rp_outsl, | ||
49 | |||
50 | .mv_ioport_map = r7780rp_ioport_map, | ||
51 | .mv_init_irq = init_r7780rp_IRQ, | ||
52 | #ifdef CONFIG_HEARTBEAT | ||
53 | .mv_heartbeat = heartbeat_r7780rp, | ||
54 | #endif | ||
55 | }; | ||
56 | ALIAS_MV(r7780rp) | ||
57 | |||
58 | static struct resource m66596_usb_host_resources[] = { | ||
59 | [0] = { | ||
60 | .start = 0xa4800000, | ||
61 | .end = 0xa4ffffff, | ||
62 | .flags = IORESOURCE_MEM, | ||
63 | }, | ||
64 | [1] = { | ||
65 | .start = 6, /* irq number */ | ||
66 | .end = 6, | ||
67 | .flags = IORESOURCE_IRQ, | ||
68 | }, | ||
69 | }; | ||
70 | |||
71 | static struct platform_device m66596_usb_host_device = { | ||
72 | .name = "m66596-hcd", | ||
73 | .id = 0, | ||
74 | .dev = { | ||
75 | .dma_mask = NULL, /* don't use dma */ | ||
76 | .coherent_dma_mask = 0xffffffff, | ||
77 | }, | ||
78 | .num_resources = ARRAY_SIZE(m66596_usb_host_resources), | ||
79 | .resource = m66596_usb_host_resources, | ||
80 | }; | ||
81 | |||
82 | static struct platform_device *r7780rp_devices[] __initdata = { | ||
83 | &m66596_usb_host_device, | ||
84 | }; | ||
85 | |||
86 | static int __init r7780rp_devices_setup(void) | ||
87 | { | ||
88 | return platform_add_devices(r7780rp_devices, | ||
89 | ARRAY_SIZE(r7780rp_devices)); | ||
90 | } | ||
91 | __initcall(r7780rp_devices_setup); | ||
92 | |||
93 | /* | ||
94 | * Platform specific clocks | ||
95 | */ | ||
96 | static void ivdr_clk_enable(struct clk *clk) | ||
97 | { | ||
98 | ctrl_outw(ctrl_inw(PA_IVDRCTL) | (1 << 8), PA_IVDRCTL); | ||
99 | } | ||
100 | |||
101 | static void ivdr_clk_disable(struct clk *clk) | ||
102 | { | ||
103 | ctrl_outw(ctrl_inw(PA_IVDRCTL) & ~(1 << 8), PA_IVDRCTL); | ||
104 | } | ||
105 | |||
106 | static struct clk_ops ivdr_clk_ops = { | ||
107 | .enable = ivdr_clk_enable, | ||
108 | .disable = ivdr_clk_disable, | ||
109 | }; | ||
110 | |||
111 | static struct clk ivdr_clk = { | ||
112 | .name = "ivdr_clk", | ||
113 | .ops = &ivdr_clk_ops, | ||
114 | }; | ||
115 | |||
116 | static struct clk *r7780rp_clocks[] = { | ||
117 | &ivdr_clk, | ||
118 | }; | ||
119 | |||
120 | const char *get_system_type(void) | ||
121 | { | ||
122 | return "Highlander R7780RP-1"; | ||
123 | } | ||
124 | |||
125 | static void r7780rp_power_off(void) | ||
126 | { | ||
127 | #ifdef CONFIG_SH_R7780MP | ||
128 | ctrl_outw(0x0001, PA_POFF); | ||
129 | #endif | ||
130 | } | ||
131 | |||
132 | /* | ||
133 | * Initialize the board | ||
134 | */ | ||
135 | void __init platform_setup(void) | ||
136 | { | ||
137 | u16 ver = ctrl_inw(PA_VERREG); | ||
138 | int i; | ||
139 | |||
140 | printk(KERN_INFO "Renesas Solutions Highlander R7780RP-1 support.\n"); | ||
141 | |||
142 | printk(KERN_INFO "Board version: %d (revision %d), " | ||
143 | "FPGA version: %d (revision %d)\n", | ||
144 | (ver >> 12) & 0xf, (ver >> 8) & 0xf, | ||
145 | (ver >> 4) & 0xf, ver & 0xf); | ||
146 | |||
147 | /* | ||
148 | * Enable the important clocks right away.. | ||
149 | */ | ||
150 | for (i = 0; i < ARRAY_SIZE(r7780rp_clocks); i++) { | ||
151 | struct clk *clk = r7780rp_clocks[i]; | ||
152 | |||
153 | clk_register(clk); | ||
154 | clk_enable(clk); | ||
155 | } | ||
156 | |||
157 | ctrl_outw(0x0000, PA_OBLED); /* Clear LED. */ | ||
158 | #ifndef CONFIG_SH_R7780MP | ||
159 | ctrl_outw(0x0001, PA_SDPOW); /* SD Power ON */ | ||
160 | #endif | ||
161 | ctrl_outw(ctrl_inw(PA_IVDRCTL) | 0x0100, PA_IVDRCTL); /* Si13112 */ | ||
162 | |||
163 | pm_power_off = r7780rp_power_off; | ||
164 | } | ||