diff options
author | Ralf Baechle <ralf@linux-mips.org> | 2010-08-05 08:25:55 -0400 |
---|---|---|
committer | Ralf Baechle <ralf@linux-mips.org> | 2010-08-05 08:25:55 -0400 |
commit | 86c6d4d0acc64543a485c11e197d0bd2c5ae0bb2 (patch) | |
tree | e96c5caba87519d14d0a74405b0c757a58e03fe9 /arch/mips/nxp | |
parent | 2f22f456933c1db57d84627a046dd20e935ad51a (diff) |
MIPS: PNX833x: Move code one directory level up.
It was sharing the nxp directory but no code with pnx8550 and will fit
better into the new platform makefile scheme, if moved.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/nxp')
-rw-r--r-- | arch/mips/nxp/pnx833x/common/Makefile | 3 | ||||
-rw-r--r-- | arch/mips/nxp/pnx833x/common/interrupts.c | 379 | ||||
-rw-r--r-- | arch/mips/nxp/pnx833x/common/platform.c | 319 | ||||
-rw-r--r-- | arch/mips/nxp/pnx833x/common/prom.c | 64 | ||||
-rw-r--r-- | arch/mips/nxp/pnx833x/common/reset.c | 44 | ||||
-rw-r--r-- | arch/mips/nxp/pnx833x/common/setup.c | 64 | ||||
-rw-r--r-- | arch/mips/nxp/pnx833x/stb22x/Makefile | 3 | ||||
-rw-r--r-- | arch/mips/nxp/pnx833x/stb22x/board.c | 133 |
8 files changed, 0 insertions, 1009 deletions
diff --git a/arch/mips/nxp/pnx833x/common/Makefile b/arch/mips/nxp/pnx833x/common/Makefile deleted file mode 100644 index 4a16f3b503b5..000000000000 --- a/arch/mips/nxp/pnx833x/common/Makefile +++ /dev/null | |||
@@ -1,3 +0,0 @@ | |||
1 | obj-y := interrupts.o platform.o prom.o setup.o reset.o | ||
2 | |||
3 | EXTRA_CFLAGS += -Werror | ||
diff --git a/arch/mips/nxp/pnx833x/common/interrupts.c b/arch/mips/nxp/pnx833x/common/interrupts.c deleted file mode 100644 index 941916f8aaff..000000000000 --- a/arch/mips/nxp/pnx833x/common/interrupts.c +++ /dev/null | |||
@@ -1,379 +0,0 @@ | |||
1 | /* | ||
2 | * interrupts.c: Interrupt mappings for PNX833X. | ||
3 | * | ||
4 | * Copyright 2008 NXP Semiconductors | ||
5 | * Chris Steel <chris.steel@nxp.com> | ||
6 | * Daniel Laird <daniel.j.laird@nxp.com> | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or modify | ||
9 | * it under the terms of the GNU General Public License as published by | ||
10 | * the Free Software Foundation; either version 2 of the License, or | ||
11 | * (at your option) any later version. | ||
12 | * | ||
13 | * This program is distributed in the hope that it will be useful, | ||
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
16 | * GNU General Public License for more details. | ||
17 | * | ||
18 | * You should have received a copy of the GNU General Public License | ||
19 | * along with this program; if not, write to the Free Software | ||
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
21 | */ | ||
22 | #include <linux/kernel.h> | ||
23 | #include <linux/irq.h> | ||
24 | #include <linux/hardirq.h> | ||
25 | #include <linux/interrupt.h> | ||
26 | #include <asm/mipsregs.h> | ||
27 | #include <asm/irq_cpu.h> | ||
28 | #include <irq.h> | ||
29 | #include <irq-mapping.h> | ||
30 | #include <gpio.h> | ||
31 | |||
32 | static int mips_cpu_timer_irq; | ||
33 | |||
34 | static const unsigned int irq_prio[PNX833X_PIC_NUM_IRQ] = | ||
35 | { | ||
36 | 0, /* unused */ | ||
37 | 4, /* PNX833X_PIC_I2C0_INT 1 */ | ||
38 | 4, /* PNX833X_PIC_I2C1_INT 2 */ | ||
39 | 1, /* PNX833X_PIC_UART0_INT 3 */ | ||
40 | 1, /* PNX833X_PIC_UART1_INT 4 */ | ||
41 | 6, /* PNX833X_PIC_TS_IN0_DV_INT 5 */ | ||
42 | 6, /* PNX833X_PIC_TS_IN0_DMA_INT 6 */ | ||
43 | 7, /* PNX833X_PIC_GPIO_INT 7 */ | ||
44 | 4, /* PNX833X_PIC_AUDIO_DEC_INT 8 */ | ||
45 | 5, /* PNX833X_PIC_VIDEO_DEC_INT 9 */ | ||
46 | 4, /* PNX833X_PIC_CONFIG_INT 10 */ | ||
47 | 4, /* PNX833X_PIC_AOI_INT 11 */ | ||
48 | 9, /* PNX833X_PIC_SYNC_INT 12 */ | ||
49 | 9, /* PNX8335_PIC_SATA_INT 13 */ | ||
50 | 4, /* PNX833X_PIC_OSD_INT 14 */ | ||
51 | 9, /* PNX833X_PIC_DISP1_INT 15 */ | ||
52 | 4, /* PNX833X_PIC_DEINTERLACER_INT 16 */ | ||
53 | 9, /* PNX833X_PIC_DISPLAY2_INT 17 */ | ||
54 | 4, /* PNX833X_PIC_VC_INT 18 */ | ||
55 | 4, /* PNX833X_PIC_SC_INT 19 */ | ||
56 | 9, /* PNX833X_PIC_IDE_INT 20 */ | ||
57 | 9, /* PNX833X_PIC_IDE_DMA_INT 21 */ | ||
58 | 6, /* PNX833X_PIC_TS_IN1_DV_INT 22 */ | ||
59 | 6, /* PNX833X_PIC_TS_IN1_DMA_INT 23 */ | ||
60 | 4, /* PNX833X_PIC_SGDX_DMA_INT 24 */ | ||
61 | 4, /* PNX833X_PIC_TS_OUT_INT 25 */ | ||
62 | 4, /* PNX833X_PIC_IR_INT 26 */ | ||
63 | 3, /* PNX833X_PIC_VMSP1_INT 27 */ | ||
64 | 3, /* PNX833X_PIC_VMSP2_INT 28 */ | ||
65 | 4, /* PNX833X_PIC_PIBC_INT 29 */ | ||
66 | 4, /* PNX833X_PIC_TS_IN0_TRD_INT 30 */ | ||
67 | 4, /* PNX833X_PIC_SGDX_TPD_INT 31 */ | ||
68 | 5, /* PNX833X_PIC_USB_INT 32 */ | ||
69 | 4, /* PNX833X_PIC_TS_IN1_TRD_INT 33 */ | ||
70 | 4, /* PNX833X_PIC_CLOCK_INT 34 */ | ||
71 | 4, /* PNX833X_PIC_SGDX_PARSER_INT 35 */ | ||
72 | 4, /* PNX833X_PIC_VMSP_DMA_INT 36 */ | ||
73 | #if defined(CONFIG_SOC_PNX8335) | ||
74 | 4, /* PNX8335_PIC_MIU_INT 37 */ | ||
75 | 4, /* PNX8335_PIC_AVCHIP_IRQ_INT 38 */ | ||
76 | 9, /* PNX8335_PIC_SYNC_HD_INT 39 */ | ||
77 | 9, /* PNX8335_PIC_DISP_HD_INT 40 */ | ||
78 | 9, /* PNX8335_PIC_DISP_SCALER_INT 41 */ | ||
79 | 4, /* PNX8335_PIC_OSD_HD1_INT 42 */ | ||
80 | 4, /* PNX8335_PIC_DTL_WRITER_Y_INT 43 */ | ||
81 | 4, /* PNX8335_PIC_DTL_WRITER_C_INT 44 */ | ||
82 | 4, /* PNX8335_PIC_DTL_EMULATOR_Y_IR_INT 45 */ | ||
83 | 4, /* PNX8335_PIC_DTL_EMULATOR_C_IR_INT 46 */ | ||
84 | 4, /* PNX8335_PIC_DENC_TTX_INT 47 */ | ||
85 | 4, /* PNX8335_PIC_MMI_SIF0_INT 48 */ | ||
86 | 4, /* PNX8335_PIC_MMI_SIF1_INT 49 */ | ||
87 | 4, /* PNX8335_PIC_MMI_CDMMU_INT 50 */ | ||
88 | 4, /* PNX8335_PIC_PIBCS_INT 51 */ | ||
89 | 12, /* PNX8335_PIC_ETHERNET_INT 52 */ | ||
90 | 3, /* PNX8335_PIC_VMSP1_0_INT 53 */ | ||
91 | 3, /* PNX8335_PIC_VMSP1_1_INT 54 */ | ||
92 | 4, /* PNX8335_PIC_VMSP1_DMA_INT 55 */ | ||
93 | 4, /* PNX8335_PIC_TDGR_DE_INT 56 */ | ||
94 | 4, /* PNX8335_PIC_IR1_IRQ_INT 57 */ | ||
95 | #endif | ||
96 | }; | ||
97 | |||
98 | static void pnx833x_timer_dispatch(void) | ||
99 | { | ||
100 | do_IRQ(mips_cpu_timer_irq); | ||
101 | } | ||
102 | |||
103 | static void pic_dispatch(void) | ||
104 | { | ||
105 | unsigned int irq = PNX833X_REGFIELD(PIC_INT_SRC, INT_SRC); | ||
106 | |||
107 | if ((irq >= 1) && (irq < (PNX833X_PIC_NUM_IRQ))) { | ||
108 | unsigned long priority = PNX833X_PIC_INT_PRIORITY; | ||
109 | PNX833X_PIC_INT_PRIORITY = irq_prio[irq]; | ||
110 | |||
111 | if (irq == PNX833X_PIC_GPIO_INT) { | ||
112 | unsigned long mask = PNX833X_PIO_INT_STATUS & PNX833X_PIO_INT_ENABLE; | ||
113 | int pin; | ||
114 | while ((pin = ffs(mask & 0xffff))) { | ||
115 | pin -= 1; | ||
116 | do_IRQ(PNX833X_GPIO_IRQ_BASE + pin); | ||
117 | mask &= ~(1 << pin); | ||
118 | } | ||
119 | } else { | ||
120 | do_IRQ(irq + PNX833X_PIC_IRQ_BASE); | ||
121 | } | ||
122 | |||
123 | PNX833X_PIC_INT_PRIORITY = priority; | ||
124 | } else { | ||
125 | printk(KERN_ERR "plat_irq_dispatch: unexpected irq %u\n", irq); | ||
126 | } | ||
127 | } | ||
128 | |||
129 | asmlinkage void plat_irq_dispatch(void) | ||
130 | { | ||
131 | unsigned int pending = read_c0_status() & read_c0_cause(); | ||
132 | |||
133 | if (pending & STATUSF_IP4) | ||
134 | pic_dispatch(); | ||
135 | else if (pending & STATUSF_IP7) | ||
136 | do_IRQ(PNX833X_TIMER_IRQ); | ||
137 | else | ||
138 | spurious_interrupt(); | ||
139 | } | ||
140 | |||
141 | static inline void pnx833x_hard_enable_pic_irq(unsigned int irq) | ||
142 | { | ||
143 | /* Currently we do this by setting IRQ priority to 1. | ||
144 | If priority support is being implemented, 1 should be repalced | ||
145 | by a better value. */ | ||
146 | PNX833X_PIC_INT_REG(irq) = irq_prio[irq]; | ||
147 | } | ||
148 | |||
149 | static inline void pnx833x_hard_disable_pic_irq(unsigned int irq) | ||
150 | { | ||
151 | /* Disable IRQ by writing setting it's priority to 0 */ | ||
152 | PNX833X_PIC_INT_REG(irq) = 0; | ||
153 | } | ||
154 | |||
155 | static int irqflags[PNX833X_PIC_NUM_IRQ]; /* initialized by zeroes */ | ||
156 | #define IRQFLAG_STARTED 1 | ||
157 | #define IRQFLAG_DISABLED 2 | ||
158 | |||
159 | static DEFINE_RAW_SPINLOCK(pnx833x_irq_lock); | ||
160 | |||
161 | static unsigned int pnx833x_startup_pic_irq(unsigned int irq) | ||
162 | { | ||
163 | unsigned long flags; | ||
164 | unsigned int pic_irq = irq - PNX833X_PIC_IRQ_BASE; | ||
165 | |||
166 | raw_spin_lock_irqsave(&pnx833x_irq_lock, flags); | ||
167 | |||
168 | irqflags[pic_irq] = IRQFLAG_STARTED; /* started, not disabled */ | ||
169 | pnx833x_hard_enable_pic_irq(pic_irq); | ||
170 | |||
171 | raw_spin_unlock_irqrestore(&pnx833x_irq_lock, flags); | ||
172 | return 0; | ||
173 | } | ||
174 | |||
175 | static void pnx833x_shutdown_pic_irq(unsigned int irq) | ||
176 | { | ||
177 | unsigned long flags; | ||
178 | unsigned int pic_irq = irq - PNX833X_PIC_IRQ_BASE; | ||
179 | |||
180 | raw_spin_lock_irqsave(&pnx833x_irq_lock, flags); | ||
181 | |||
182 | irqflags[pic_irq] = 0; /* not started */ | ||
183 | pnx833x_hard_disable_pic_irq(pic_irq); | ||
184 | |||
185 | raw_spin_unlock_irqrestore(&pnx833x_irq_lock, flags); | ||
186 | } | ||
187 | |||
188 | static void pnx833x_enable_pic_irq(unsigned int irq) | ||
189 | { | ||
190 | unsigned long flags; | ||
191 | unsigned int pic_irq = irq - PNX833X_PIC_IRQ_BASE; | ||
192 | |||
193 | raw_spin_lock_irqsave(&pnx833x_irq_lock, flags); | ||
194 | |||
195 | irqflags[pic_irq] &= ~IRQFLAG_DISABLED; | ||
196 | if (irqflags[pic_irq] == IRQFLAG_STARTED) | ||
197 | pnx833x_hard_enable_pic_irq(pic_irq); | ||
198 | |||
199 | raw_spin_unlock_irqrestore(&pnx833x_irq_lock, flags); | ||
200 | } | ||
201 | |||
202 | static void pnx833x_disable_pic_irq(unsigned int irq) | ||
203 | { | ||
204 | unsigned long flags; | ||
205 | unsigned int pic_irq = irq - PNX833X_PIC_IRQ_BASE; | ||
206 | |||
207 | raw_spin_lock_irqsave(&pnx833x_irq_lock, flags); | ||
208 | |||
209 | irqflags[pic_irq] |= IRQFLAG_DISABLED; | ||
210 | pnx833x_hard_disable_pic_irq(pic_irq); | ||
211 | |||
212 | raw_spin_unlock_irqrestore(&pnx833x_irq_lock, flags); | ||
213 | } | ||
214 | |||
215 | static void pnx833x_ack_pic_irq(unsigned int irq) | ||
216 | { | ||
217 | } | ||
218 | |||
219 | static void pnx833x_end_pic_irq(unsigned int irq) | ||
220 | { | ||
221 | } | ||
222 | |||
223 | static DEFINE_RAW_SPINLOCK(pnx833x_gpio_pnx833x_irq_lock); | ||
224 | |||
225 | static unsigned int pnx833x_startup_gpio_irq(unsigned int irq) | ||
226 | { | ||
227 | int pin = irq - PNX833X_GPIO_IRQ_BASE; | ||
228 | unsigned long flags; | ||
229 | raw_spin_lock_irqsave(&pnx833x_gpio_pnx833x_irq_lock, flags); | ||
230 | pnx833x_gpio_enable_irq(pin); | ||
231 | raw_spin_unlock_irqrestore(&pnx833x_gpio_pnx833x_irq_lock, flags); | ||
232 | return 0; | ||
233 | } | ||
234 | |||
235 | static void pnx833x_enable_gpio_irq(unsigned int irq) | ||
236 | { | ||
237 | int pin = irq - PNX833X_GPIO_IRQ_BASE; | ||
238 | unsigned long flags; | ||
239 | raw_spin_lock_irqsave(&pnx833x_gpio_pnx833x_irq_lock, flags); | ||
240 | pnx833x_gpio_enable_irq(pin); | ||
241 | raw_spin_unlock_irqrestore(&pnx833x_gpio_pnx833x_irq_lock, flags); | ||
242 | } | ||
243 | |||
244 | static void pnx833x_disable_gpio_irq(unsigned int irq) | ||
245 | { | ||
246 | int pin = irq - PNX833X_GPIO_IRQ_BASE; | ||
247 | unsigned long flags; | ||
248 | raw_spin_lock_irqsave(&pnx833x_gpio_pnx833x_irq_lock, flags); | ||
249 | pnx833x_gpio_disable_irq(pin); | ||
250 | raw_spin_unlock_irqrestore(&pnx833x_gpio_pnx833x_irq_lock, flags); | ||
251 | } | ||
252 | |||
253 | static void pnx833x_ack_gpio_irq(unsigned int irq) | ||
254 | { | ||
255 | } | ||
256 | |||
257 | static void pnx833x_end_gpio_irq(unsigned int irq) | ||
258 | { | ||
259 | int pin = irq - PNX833X_GPIO_IRQ_BASE; | ||
260 | unsigned long flags; | ||
261 | raw_spin_lock_irqsave(&pnx833x_gpio_pnx833x_irq_lock, flags); | ||
262 | pnx833x_gpio_clear_irq(pin); | ||
263 | raw_spin_unlock_irqrestore(&pnx833x_gpio_pnx833x_irq_lock, flags); | ||
264 | } | ||
265 | |||
266 | static int pnx833x_set_type_gpio_irq(unsigned int irq, unsigned int flow_type) | ||
267 | { | ||
268 | int pin = irq - PNX833X_GPIO_IRQ_BASE; | ||
269 | int gpio_mode; | ||
270 | |||
271 | switch (flow_type) { | ||
272 | case IRQ_TYPE_EDGE_RISING: | ||
273 | gpio_mode = GPIO_INT_EDGE_RISING; | ||
274 | break; | ||
275 | case IRQ_TYPE_EDGE_FALLING: | ||
276 | gpio_mode = GPIO_INT_EDGE_FALLING; | ||
277 | break; | ||
278 | case IRQ_TYPE_EDGE_BOTH: | ||
279 | gpio_mode = GPIO_INT_EDGE_BOTH; | ||
280 | break; | ||
281 | case IRQ_TYPE_LEVEL_HIGH: | ||
282 | gpio_mode = GPIO_INT_LEVEL_HIGH; | ||
283 | break; | ||
284 | case IRQ_TYPE_LEVEL_LOW: | ||
285 | gpio_mode = GPIO_INT_LEVEL_LOW; | ||
286 | break; | ||
287 | default: | ||
288 | gpio_mode = GPIO_INT_NONE; | ||
289 | break; | ||
290 | } | ||
291 | |||
292 | pnx833x_gpio_setup_irq(gpio_mode, pin); | ||
293 | |||
294 | return 0; | ||
295 | } | ||
296 | |||
297 | static struct irq_chip pnx833x_pic_irq_type = { | ||
298 | .name = "PNX-PIC", | ||
299 | .startup = pnx833x_startup_pic_irq, | ||
300 | .shutdown = pnx833x_shutdown_pic_irq, | ||
301 | .enable = pnx833x_enable_pic_irq, | ||
302 | .disable = pnx833x_disable_pic_irq, | ||
303 | .ack = pnx833x_ack_pic_irq, | ||
304 | .end = pnx833x_end_pic_irq | ||
305 | }; | ||
306 | |||
307 | static struct irq_chip pnx833x_gpio_irq_type = { | ||
308 | .name = "PNX-GPIO", | ||
309 | .startup = pnx833x_startup_gpio_irq, | ||
310 | .shutdown = pnx833x_disable_gpio_irq, | ||
311 | .enable = pnx833x_enable_gpio_irq, | ||
312 | .disable = pnx833x_disable_gpio_irq, | ||
313 | .ack = pnx833x_ack_gpio_irq, | ||
314 | .end = pnx833x_end_gpio_irq, | ||
315 | .set_type = pnx833x_set_type_gpio_irq | ||
316 | }; | ||
317 | |||
318 | void __init arch_init_irq(void) | ||
319 | { | ||
320 | unsigned int irq; | ||
321 | |||
322 | /* setup standard internal cpu irqs */ | ||
323 | mips_cpu_irq_init(); | ||
324 | |||
325 | /* Set IRQ information in irq_desc */ | ||
326 | for (irq = PNX833X_PIC_IRQ_BASE; irq < (PNX833X_PIC_IRQ_BASE + PNX833X_PIC_NUM_IRQ); irq++) { | ||
327 | pnx833x_hard_disable_pic_irq(irq); | ||
328 | set_irq_chip_and_handler(irq, &pnx833x_pic_irq_type, handle_simple_irq); | ||
329 | } | ||
330 | |||
331 | for (irq = PNX833X_GPIO_IRQ_BASE; irq < (PNX833X_GPIO_IRQ_BASE + PNX833X_GPIO_NUM_IRQ); irq++) | ||
332 | set_irq_chip_and_handler(irq, &pnx833x_gpio_irq_type, handle_simple_irq); | ||
333 | |||
334 | /* Set PIC priority limiter register to 0 */ | ||
335 | PNX833X_PIC_INT_PRIORITY = 0; | ||
336 | |||
337 | /* Setup GPIO IRQ dispatching */ | ||
338 | pnx833x_startup_pic_irq(PNX833X_PIC_GPIO_INT); | ||
339 | |||
340 | /* Enable PIC IRQs (HWIRQ2) */ | ||
341 | if (cpu_has_vint) | ||
342 | set_vi_handler(4, pic_dispatch); | ||
343 | |||
344 | write_c0_status(read_c0_status() | IE_IRQ2); | ||
345 | } | ||
346 | |||
347 | unsigned int __cpuinit get_c0_compare_int(void) | ||
348 | { | ||
349 | if (cpu_has_vint) | ||
350 | set_vi_handler(cp0_compare_irq, pnx833x_timer_dispatch); | ||
351 | |||
352 | mips_cpu_timer_irq = MIPS_CPU_IRQ_BASE + cp0_compare_irq; | ||
353 | return mips_cpu_timer_irq; | ||
354 | } | ||
355 | |||
356 | void __init plat_time_init(void) | ||
357 | { | ||
358 | /* calculate mips_hpt_frequency based on PNX833X_CLOCK_CPUCP_CTL reg */ | ||
359 | |||
360 | extern unsigned long mips_hpt_frequency; | ||
361 | unsigned long reg = PNX833X_CLOCK_CPUCP_CTL; | ||
362 | |||
363 | if (!(PNX833X_BIT(reg, CLOCK_CPUCP_CTL, EXIT_RESET))) { | ||
364 | /* Functional clock is disabled so use crystal frequency */ | ||
365 | mips_hpt_frequency = 25; | ||
366 | } else { | ||
367 | #if defined(CONFIG_SOC_PNX8335) | ||
368 | /* Functional clock is enabled, so get clock multiplier */ | ||
369 | mips_hpt_frequency = 90 + (10 * PNX8335_REGFIELD(CLOCK_PLL_CPU_CTL, FREQ)); | ||
370 | #else | ||
371 | static const unsigned long int freq[4] = {240, 160, 120, 80}; | ||
372 | mips_hpt_frequency = freq[PNX833X_FIELD(reg, CLOCK_CPUCP_CTL, DIV_CLOCK)]; | ||
373 | #endif | ||
374 | } | ||
375 | |||
376 | printk(KERN_INFO "CPU clock is %ld MHz\n", mips_hpt_frequency); | ||
377 | |||
378 | mips_hpt_frequency *= 500000; | ||
379 | } | ||
diff --git a/arch/mips/nxp/pnx833x/common/platform.c b/arch/mips/nxp/pnx833x/common/platform.c deleted file mode 100644 index 01f8345a2069..000000000000 --- a/arch/mips/nxp/pnx833x/common/platform.c +++ /dev/null | |||
@@ -1,319 +0,0 @@ | |||
1 | /* | ||
2 | * platform.c: platform support for PNX833X. | ||
3 | * | ||
4 | * Copyright 2008 NXP Semiconductors | ||
5 | * Chris Steel <chris.steel@nxp.com> | ||
6 | * Daniel Laird <daniel.j.laird@nxp.com> | ||
7 | * | ||
8 | * Based on software written by: | ||
9 | * Nikita Youshchenko <yoush@debian.org>, based on PNX8550 code. | ||
10 | * | ||
11 | * This program is free software; you can redistribute it and/or modify | ||
12 | * it under the terms of the GNU General Public License as published by | ||
13 | * the Free Software Foundation; either version 2 of the License, or | ||
14 | * (at your option) any later version. | ||
15 | * | ||
16 | * This program is distributed in the hope that it will be useful, | ||
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
19 | * GNU General Public License for more details. | ||
20 | * | ||
21 | * You should have received a copy of the GNU General Public License | ||
22 | * along with this program; if not, write to the Free Software | ||
23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
24 | */ | ||
25 | #include <linux/device.h> | ||
26 | #include <linux/dma-mapping.h> | ||
27 | #include <linux/platform_device.h> | ||
28 | #include <linux/kernel.h> | ||
29 | #include <linux/init.h> | ||
30 | #include <linux/resource.h> | ||
31 | #include <linux/serial.h> | ||
32 | #include <linux/serial_pnx8xxx.h> | ||
33 | #include <linux/mtd/nand.h> | ||
34 | #include <linux/mtd/partitions.h> | ||
35 | |||
36 | #ifdef CONFIG_I2C_PNX0105 | ||
37 | /* Until i2c driver available in kernel.*/ | ||
38 | #include <linux/i2c-pnx0105.h> | ||
39 | #endif | ||
40 | |||
41 | #include <irq.h> | ||
42 | #include <irq-mapping.h> | ||
43 | #include <pnx833x.h> | ||
44 | |||
45 | static u64 uart_dmamask = DMA_BIT_MASK(32); | ||
46 | |||
47 | static struct resource pnx833x_uart_resources[] = { | ||
48 | [0] = { | ||
49 | .start = PNX833X_UART0_PORTS_START, | ||
50 | .end = PNX833X_UART0_PORTS_END, | ||
51 | .flags = IORESOURCE_MEM, | ||
52 | }, | ||
53 | [1] = { | ||
54 | .start = PNX833X_PIC_UART0_INT, | ||
55 | .end = PNX833X_PIC_UART0_INT, | ||
56 | .flags = IORESOURCE_IRQ, | ||
57 | }, | ||
58 | [2] = { | ||
59 | .start = PNX833X_UART1_PORTS_START, | ||
60 | .end = PNX833X_UART1_PORTS_END, | ||
61 | .flags = IORESOURCE_MEM, | ||
62 | }, | ||
63 | [3] = { | ||
64 | .start = PNX833X_PIC_UART1_INT, | ||
65 | .end = PNX833X_PIC_UART1_INT, | ||
66 | .flags = IORESOURCE_IRQ, | ||
67 | }, | ||
68 | }; | ||
69 | |||
70 | struct pnx8xxx_port pnx8xxx_ports[] = { | ||
71 | [0] = { | ||
72 | .port = { | ||
73 | .type = PORT_PNX8XXX, | ||
74 | .iotype = UPIO_MEM, | ||
75 | .membase = (void __iomem *)PNX833X_UART0_PORTS_START, | ||
76 | .mapbase = PNX833X_UART0_PORTS_START, | ||
77 | .irq = PNX833X_PIC_UART0_INT, | ||
78 | .uartclk = 3692300, | ||
79 | .fifosize = 16, | ||
80 | .flags = UPF_BOOT_AUTOCONF, | ||
81 | .line = 0, | ||
82 | }, | ||
83 | }, | ||
84 | [1] = { | ||
85 | .port = { | ||
86 | .type = PORT_PNX8XXX, | ||
87 | .iotype = UPIO_MEM, | ||
88 | .membase = (void __iomem *)PNX833X_UART1_PORTS_START, | ||
89 | .mapbase = PNX833X_UART1_PORTS_START, | ||
90 | .irq = PNX833X_PIC_UART1_INT, | ||
91 | .uartclk = 3692300, | ||
92 | .fifosize = 16, | ||
93 | .flags = UPF_BOOT_AUTOCONF, | ||
94 | .line = 1, | ||
95 | }, | ||
96 | }, | ||
97 | }; | ||
98 | |||
99 | static struct platform_device pnx833x_uart_device = { | ||
100 | .name = "pnx8xxx-uart", | ||
101 | .id = -1, | ||
102 | .dev = { | ||
103 | .dma_mask = &uart_dmamask, | ||
104 | .coherent_dma_mask = DMA_BIT_MASK(32), | ||
105 | .platform_data = pnx8xxx_ports, | ||
106 | }, | ||
107 | .num_resources = ARRAY_SIZE(pnx833x_uart_resources), | ||
108 | .resource = pnx833x_uart_resources, | ||
109 | }; | ||
110 | |||
111 | static u64 ehci_dmamask = DMA_BIT_MASK(32); | ||
112 | |||
113 | static struct resource pnx833x_usb_ehci_resources[] = { | ||
114 | [0] = { | ||
115 | .start = PNX833X_USB_PORTS_START, | ||
116 | .end = PNX833X_USB_PORTS_END, | ||
117 | .flags = IORESOURCE_MEM, | ||
118 | }, | ||
119 | [1] = { | ||
120 | .start = PNX833X_PIC_USB_INT, | ||
121 | .end = PNX833X_PIC_USB_INT, | ||
122 | .flags = IORESOURCE_IRQ, | ||
123 | }, | ||
124 | }; | ||
125 | |||
126 | static struct platform_device pnx833x_usb_ehci_device = { | ||
127 | .name = "pnx833x-ehci", | ||
128 | .id = -1, | ||
129 | .dev = { | ||
130 | .dma_mask = &ehci_dmamask, | ||
131 | .coherent_dma_mask = DMA_BIT_MASK(32), | ||
132 | }, | ||
133 | .num_resources = ARRAY_SIZE(pnx833x_usb_ehci_resources), | ||
134 | .resource = pnx833x_usb_ehci_resources, | ||
135 | }; | ||
136 | |||
137 | #ifdef CONFIG_I2C_PNX0105 | ||
138 | static struct resource pnx833x_i2c0_resources[] = { | ||
139 | { | ||
140 | .start = PNX833X_I2C0_PORTS_START, | ||
141 | .end = PNX833X_I2C0_PORTS_END, | ||
142 | .flags = IORESOURCE_MEM, | ||
143 | }, | ||
144 | { | ||
145 | .start = PNX833X_PIC_I2C0_INT, | ||
146 | .end = PNX833X_PIC_I2C0_INT, | ||
147 | .flags = IORESOURCE_IRQ, | ||
148 | }, | ||
149 | }; | ||
150 | |||
151 | static struct resource pnx833x_i2c1_resources[] = { | ||
152 | { | ||
153 | .start = PNX833X_I2C1_PORTS_START, | ||
154 | .end = PNX833X_I2C1_PORTS_END, | ||
155 | .flags = IORESOURCE_MEM, | ||
156 | }, | ||
157 | { | ||
158 | .start = PNX833X_PIC_I2C1_INT, | ||
159 | .end = PNX833X_PIC_I2C1_INT, | ||
160 | .flags = IORESOURCE_IRQ, | ||
161 | }, | ||
162 | }; | ||
163 | |||
164 | static struct i2c_pnx0105_dev pnx833x_i2c_dev[] = { | ||
165 | { | ||
166 | .base = PNX833X_I2C0_PORTS_START, | ||
167 | .irq = -1, /* should be PNX833X_PIC_I2C0_INT but polling is faster */ | ||
168 | .clock = 6, /* 0 == 400 kHz, 4 == 100 kHz(Maximum HDMI), 6 = 50kHz(Prefered HDCP) */ | ||
169 | .bus_addr = 0, /* no slave support */ | ||
170 | }, | ||
171 | { | ||
172 | .base = PNX833X_I2C1_PORTS_START, | ||
173 | .irq = -1, /* on high freq, polling is faster */ | ||
174 | /*.irq = PNX833X_PIC_I2C1_INT,*/ | ||
175 | .clock = 4, /* 0 == 400 kHz, 4 == 100 kHz. 100 kHz seems a safe default for now */ | ||
176 | .bus_addr = 0, /* no slave support */ | ||
177 | }, | ||
178 | }; | ||
179 | |||
180 | static struct platform_device pnx833x_i2c0_device = { | ||
181 | .name = "i2c-pnx0105", | ||
182 | .id = 0, | ||
183 | .dev = { | ||
184 | .platform_data = &pnx833x_i2c_dev[0], | ||
185 | }, | ||
186 | .num_resources = ARRAY_SIZE(pnx833x_i2c0_resources), | ||
187 | .resource = pnx833x_i2c0_resources, | ||
188 | }; | ||
189 | |||
190 | static struct platform_device pnx833x_i2c1_device = { | ||
191 | .name = "i2c-pnx0105", | ||
192 | .id = 1, | ||
193 | .dev = { | ||
194 | .platform_data = &pnx833x_i2c_dev[1], | ||
195 | }, | ||
196 | .num_resources = ARRAY_SIZE(pnx833x_i2c1_resources), | ||
197 | .resource = pnx833x_i2c1_resources, | ||
198 | }; | ||
199 | #endif | ||
200 | |||
201 | static u64 ethernet_dmamask = DMA_BIT_MASK(32); | ||
202 | |||
203 | static struct resource pnx833x_ethernet_resources[] = { | ||
204 | [0] = { | ||
205 | .start = PNX8335_IP3902_PORTS_START, | ||
206 | .end = PNX8335_IP3902_PORTS_END, | ||
207 | .flags = IORESOURCE_MEM, | ||
208 | }, | ||
209 | [1] = { | ||
210 | .start = PNX8335_PIC_ETHERNET_INT, | ||
211 | .end = PNX8335_PIC_ETHERNET_INT, | ||
212 | .flags = IORESOURCE_IRQ, | ||
213 | }, | ||
214 | }; | ||
215 | |||
216 | static struct platform_device pnx833x_ethernet_device = { | ||
217 | .name = "ip3902-eth", | ||
218 | .id = -1, | ||
219 | .dev = { | ||
220 | .dma_mask = ðernet_dmamask, | ||
221 | .coherent_dma_mask = DMA_BIT_MASK(32), | ||
222 | }, | ||
223 | .num_resources = ARRAY_SIZE(pnx833x_ethernet_resources), | ||
224 | .resource = pnx833x_ethernet_resources, | ||
225 | }; | ||
226 | |||
227 | static struct resource pnx833x_sata_resources[] = { | ||
228 | [0] = { | ||
229 | .start = PNX8335_SATA_PORTS_START, | ||
230 | .end = PNX8335_SATA_PORTS_END, | ||
231 | .flags = IORESOURCE_MEM, | ||
232 | }, | ||
233 | [1] = { | ||
234 | .start = PNX8335_PIC_SATA_INT, | ||
235 | .end = PNX8335_PIC_SATA_INT, | ||
236 | .flags = IORESOURCE_IRQ, | ||
237 | }, | ||
238 | }; | ||
239 | |||
240 | static struct platform_device pnx833x_sata_device = { | ||
241 | .name = "pnx833x-sata", | ||
242 | .id = -1, | ||
243 | .num_resources = ARRAY_SIZE(pnx833x_sata_resources), | ||
244 | .resource = pnx833x_sata_resources, | ||
245 | }; | ||
246 | |||
247 | static const char *part_probes[] = { | ||
248 | "cmdlinepart", | ||
249 | NULL | ||
250 | }; | ||
251 | |||
252 | static void | ||
253 | pnx833x_flash_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl) | ||
254 | { | ||
255 | struct nand_chip *this = mtd->priv; | ||
256 | unsigned long nandaddr = (unsigned long)this->IO_ADDR_W; | ||
257 | |||
258 | if (cmd == NAND_CMD_NONE) | ||
259 | return; | ||
260 | |||
261 | if (ctrl & NAND_CLE) | ||
262 | writeb(cmd, (void __iomem *)(nandaddr + PNX8335_NAND_CLE_MASK)); | ||
263 | else | ||
264 | writeb(cmd, (void __iomem *)(nandaddr + PNX8335_NAND_ALE_MASK)); | ||
265 | } | ||
266 | |||
267 | static struct platform_nand_data pnx833x_flash_nand_data = { | ||
268 | .chip = { | ||
269 | .chip_delay = 25, | ||
270 | .part_probe_types = part_probes, | ||
271 | }, | ||
272 | .ctrl = { | ||
273 | .cmd_ctrl = pnx833x_flash_nand_cmd_ctrl | ||
274 | } | ||
275 | }; | ||
276 | |||
277 | /* | ||
278 | * Set start to be the correct address (PNX8335_NAND_BASE with no 0xb!!), | ||
279 | * 12 bytes more seems to be the standard that allows for NAND access. | ||
280 | */ | ||
281 | static struct resource pnx833x_flash_nand_resource = { | ||
282 | .start = PNX8335_NAND_BASE, | ||
283 | .end = PNX8335_NAND_BASE + 12, | ||
284 | .flags = IORESOURCE_MEM, | ||
285 | }; | ||
286 | |||
287 | static struct platform_device pnx833x_flash_nand = { | ||
288 | .name = "gen_nand", | ||
289 | .id = -1, | ||
290 | .num_resources = 1, | ||
291 | .resource = &pnx833x_flash_nand_resource, | ||
292 | .dev = { | ||
293 | .platform_data = &pnx833x_flash_nand_data, | ||
294 | }, | ||
295 | }; | ||
296 | |||
297 | static struct platform_device *pnx833x_platform_devices[] __initdata = { | ||
298 | &pnx833x_uart_device, | ||
299 | &pnx833x_usb_ehci_device, | ||
300 | #ifdef CONFIG_I2C_PNX0105 | ||
301 | &pnx833x_i2c0_device, | ||
302 | &pnx833x_i2c1_device, | ||
303 | #endif | ||
304 | &pnx833x_ethernet_device, | ||
305 | &pnx833x_sata_device, | ||
306 | &pnx833x_flash_nand, | ||
307 | }; | ||
308 | |||
309 | static int __init pnx833x_platform_init(void) | ||
310 | { | ||
311 | int res; | ||
312 | |||
313 | res = platform_add_devices(pnx833x_platform_devices, | ||
314 | ARRAY_SIZE(pnx833x_platform_devices)); | ||
315 | |||
316 | return res; | ||
317 | } | ||
318 | |||
319 | arch_initcall(pnx833x_platform_init); | ||
diff --git a/arch/mips/nxp/pnx833x/common/prom.c b/arch/mips/nxp/pnx833x/common/prom.c deleted file mode 100644 index 29969f90a6b0..000000000000 --- a/arch/mips/nxp/pnx833x/common/prom.c +++ /dev/null | |||
@@ -1,64 +0,0 @@ | |||
1 | /* | ||
2 | * prom.c: | ||
3 | * | ||
4 | * Copyright 2008 NXP Semiconductors | ||
5 | * Chris Steel <chris.steel@nxp.com> | ||
6 | * Daniel Laird <daniel.j.laird@nxp.com> | ||
7 | * | ||
8 | * Based on software written by: | ||
9 | * Nikita Youshchenko <yoush@debian.org>, based on PNX8550 code. | ||
10 | * | ||
11 | * This program is free software; you can redistribute it and/or modify | ||
12 | * it under the terms of the GNU General Public License as published by | ||
13 | * the Free Software Foundation; either version 2 of the License, or | ||
14 | * (at your option) any later version. | ||
15 | * | ||
16 | * This program is distributed in the hope that it will be useful, | ||
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
19 | * GNU General Public License for more details. | ||
20 | * | ||
21 | * You should have received a copy of the GNU General Public License | ||
22 | * along with this program; if not, write to the Free Software | ||
23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
24 | */ | ||
25 | #include <linux/init.h> | ||
26 | #include <asm/bootinfo.h> | ||
27 | #include <linux/string.h> | ||
28 | |||
29 | void __init prom_init_cmdline(void) | ||
30 | { | ||
31 | int argc = fw_arg0; | ||
32 | char **argv = (char **)fw_arg1; | ||
33 | char *c = &(arcs_cmdline[0]); | ||
34 | int i; | ||
35 | |||
36 | for (i = 1; i < argc; i++) { | ||
37 | strcpy(c, argv[i]); | ||
38 | c += strlen(argv[i]); | ||
39 | if (i < argc-1) | ||
40 | *c++ = ' '; | ||
41 | } | ||
42 | *c = 0; | ||
43 | } | ||
44 | |||
45 | char __init *prom_getenv(char *envname) | ||
46 | { | ||
47 | extern char **prom_envp; | ||
48 | char **env = prom_envp; | ||
49 | int i; | ||
50 | |||
51 | i = strlen(envname); | ||
52 | |||
53 | while (*env) { | ||
54 | if (strncmp(envname, *env, i) == 0 && *(*env+i) == '=') | ||
55 | return *env + i + 1; | ||
56 | env++; | ||
57 | } | ||
58 | |||
59 | return 0; | ||
60 | } | ||
61 | |||
62 | void __init prom_free_prom_memory(void) | ||
63 | { | ||
64 | } | ||
diff --git a/arch/mips/nxp/pnx833x/common/reset.c b/arch/mips/nxp/pnx833x/common/reset.c deleted file mode 100644 index e0ea96d29fde..000000000000 --- a/arch/mips/nxp/pnx833x/common/reset.c +++ /dev/null | |||
@@ -1,44 +0,0 @@ | |||
1 | /* | ||
2 | * reset.c: reset support for PNX833X. | ||
3 | * | ||
4 | * Copyright 2008 NXP Semiconductors | ||
5 | * Chris Steel <chris.steel@nxp.com> | ||
6 | * Daniel Laird <daniel.j.laird@nxp.com> | ||
7 | * | ||
8 | * Based on software written by: | ||
9 | * Nikita Youshchenko <yoush@debian.org>, based on PNX8550 code. | ||
10 | * | ||
11 | * This program is free software; you can redistribute it and/or modify | ||
12 | * it under the terms of the GNU General Public License as published by | ||
13 | * the Free Software Foundation; either version 2 of the License, or | ||
14 | * (at your option) any later version. | ||
15 | * | ||
16 | * This program is distributed in the hope that it will be useful, | ||
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
19 | * GNU General Public License for more details. | ||
20 | * | ||
21 | * You should have received a copy of the GNU General Public License | ||
22 | * along with this program; if not, write to the Free Software | ||
23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
24 | */ | ||
25 | #include <linux/reboot.h> | ||
26 | #include <pnx833x.h> | ||
27 | |||
28 | void pnx833x_machine_restart(char *command) | ||
29 | { | ||
30 | PNX833X_RESET_CONTROL_2 = 0; | ||
31 | PNX833X_RESET_CONTROL = 0; | ||
32 | } | ||
33 | |||
34 | void pnx833x_machine_halt(void) | ||
35 | { | ||
36 | while (1) | ||
37 | __asm__ __volatile__ ("wait"); | ||
38 | |||
39 | } | ||
40 | |||
41 | void pnx833x_machine_power_off(void) | ||
42 | { | ||
43 | pnx833x_machine_halt(); | ||
44 | } | ||
diff --git a/arch/mips/nxp/pnx833x/common/setup.c b/arch/mips/nxp/pnx833x/common/setup.c deleted file mode 100644 index e51fbc4b644d..000000000000 --- a/arch/mips/nxp/pnx833x/common/setup.c +++ /dev/null | |||
@@ -1,64 +0,0 @@ | |||
1 | /* | ||
2 | * setup.c: Setup PNX833X Soc. | ||
3 | * | ||
4 | * Copyright 2008 NXP Semiconductors | ||
5 | * Chris Steel <chris.steel@nxp.com> | ||
6 | * Daniel Laird <daniel.j.laird@nxp.com> | ||
7 | * | ||
8 | * Based on software written by: | ||
9 | * Nikita Youshchenko <yoush@debian.org>, based on PNX8550 code. | ||
10 | * | ||
11 | * This program is free software; you can redistribute it and/or modify | ||
12 | * it under the terms of the GNU General Public License as published by | ||
13 | * the Free Software Foundation; either version 2 of the License, or | ||
14 | * (at your option) any later version. | ||
15 | * | ||
16 | * This program is distributed in the hope that it will be useful, | ||
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
19 | * GNU General Public License for more details. | ||
20 | * | ||
21 | * You should have received a copy of the GNU General Public License | ||
22 | * along with this program; if not, write to the Free Software | ||
23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
24 | */ | ||
25 | #include <linux/init.h> | ||
26 | #include <linux/interrupt.h> | ||
27 | #include <linux/ioport.h> | ||
28 | #include <linux/io.h> | ||
29 | #include <linux/pci.h> | ||
30 | #include <asm/reboot.h> | ||
31 | #include <pnx833x.h> | ||
32 | #include <gpio.h> | ||
33 | |||
34 | extern void pnx833x_board_setup(void); | ||
35 | extern void pnx833x_machine_restart(char *); | ||
36 | extern void pnx833x_machine_halt(void); | ||
37 | extern void pnx833x_machine_power_off(void); | ||
38 | |||
39 | int __init plat_mem_setup(void) | ||
40 | { | ||
41 | /* fake pci bus to avoid bounce buffers */ | ||
42 | PCI_DMA_BUS_IS_PHYS = 1; | ||
43 | |||
44 | /* set mips clock to 320MHz */ | ||
45 | #if defined(CONFIG_SOC_PNX8335) | ||
46 | PNX8335_WRITEFIELD(0x17, CLOCK_PLL_CPU_CTL, FREQ); | ||
47 | #endif | ||
48 | pnx833x_gpio_init(); /* so it will be ready in board_setup() */ | ||
49 | |||
50 | pnx833x_board_setup(); | ||
51 | |||
52 | _machine_restart = pnx833x_machine_restart; | ||
53 | _machine_halt = pnx833x_machine_halt; | ||
54 | pm_power_off = pnx833x_machine_power_off; | ||
55 | |||
56 | /* IO/MEM resources. */ | ||
57 | set_io_port_base(KSEG1); | ||
58 | ioport_resource.start = 0; | ||
59 | ioport_resource.end = ~0; | ||
60 | iomem_resource.start = 0; | ||
61 | iomem_resource.end = ~0; | ||
62 | |||
63 | return 0; | ||
64 | } | ||
diff --git a/arch/mips/nxp/pnx833x/stb22x/Makefile b/arch/mips/nxp/pnx833x/stb22x/Makefile deleted file mode 100644 index f81c5801f455..000000000000 --- a/arch/mips/nxp/pnx833x/stb22x/Makefile +++ /dev/null | |||
@@ -1,3 +0,0 @@ | |||
1 | lib-y := board.o | ||
2 | |||
3 | EXTRA_CFLAGS += -Werror | ||
diff --git a/arch/mips/nxp/pnx833x/stb22x/board.c b/arch/mips/nxp/pnx833x/stb22x/board.c deleted file mode 100644 index 644eb7c3210f..000000000000 --- a/arch/mips/nxp/pnx833x/stb22x/board.c +++ /dev/null | |||
@@ -1,133 +0,0 @@ | |||
1 | /* | ||
2 | * board.c: STB225 board support. | ||
3 | * | ||
4 | * Copyright 2008 NXP Semiconductors | ||
5 | * Chris Steel <chris.steel@nxp.com> | ||
6 | * Daniel Laird <daniel.j.laird@nxp.com> | ||
7 | * | ||
8 | * Based on software written by: | ||
9 | * Nikita Youshchenko <yoush@debian.org>, based on PNX8550 code. | ||
10 | * | ||
11 | * This program is free software; you can redistribute it and/or modify | ||
12 | * it under the terms of the GNU General Public License as published by | ||
13 | * the Free Software Foundation; either version 2 of the License, or | ||
14 | * (at your option) any later version. | ||
15 | * | ||
16 | * This program is distributed in the hope that it will be useful, | ||
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
19 | * GNU General Public License for more details. | ||
20 | * | ||
21 | * You should have received a copy of the GNU General Public License | ||
22 | * along with this program; if not, write to the Free Software | ||
23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
24 | */ | ||
25 | #include <linux/init.h> | ||
26 | #include <asm/bootinfo.h> | ||
27 | #include <linux/mm.h> | ||
28 | #include <pnx833x.h> | ||
29 | #include <gpio.h> | ||
30 | |||
31 | /* endianess twiddlers */ | ||
32 | #define PNX8335_DEBUG0 0x4400 | ||
33 | #define PNX8335_DEBUG1 0x4404 | ||
34 | #define PNX8335_DEBUG2 0x4408 | ||
35 | #define PNX8335_DEBUG3 0x440c | ||
36 | #define PNX8335_DEBUG4 0x4410 | ||
37 | #define PNX8335_DEBUG5 0x4414 | ||
38 | #define PNX8335_DEBUG6 0x4418 | ||
39 | #define PNX8335_DEBUG7 0x441c | ||
40 | |||
41 | int prom_argc; | ||
42 | char **prom_argv, **prom_envp; | ||
43 | |||
44 | extern void prom_init_cmdline(void); | ||
45 | extern char *prom_getenv(char *envname); | ||
46 | |||
47 | const char *get_system_type(void) | ||
48 | { | ||
49 | return "NXP STB22x"; | ||
50 | } | ||
51 | |||
52 | static inline unsigned long env_or_default(char *env, unsigned long dfl) | ||
53 | { | ||
54 | char *str = prom_getenv(env); | ||
55 | return str ? simple_strtol(str, 0, 0) : dfl; | ||
56 | } | ||
57 | |||
58 | void __init prom_init(void) | ||
59 | { | ||
60 | unsigned long memsize; | ||
61 | |||
62 | prom_argc = fw_arg0; | ||
63 | prom_argv = (char **)fw_arg1; | ||
64 | prom_envp = (char **)fw_arg2; | ||
65 | |||
66 | prom_init_cmdline(); | ||
67 | |||
68 | memsize = env_or_default("memsize", 0x02000000); | ||
69 | add_memory_region(0, memsize, BOOT_MEM_RAM); | ||
70 | } | ||
71 | |||
72 | void __init pnx833x_board_setup(void) | ||
73 | { | ||
74 | pnx833x_gpio_select_function_alt(4); | ||
75 | pnx833x_gpio_select_output(4); | ||
76 | pnx833x_gpio_select_function_alt(5); | ||
77 | pnx833x_gpio_select_input(5); | ||
78 | pnx833x_gpio_select_function_alt(6); | ||
79 | pnx833x_gpio_select_input(6); | ||
80 | pnx833x_gpio_select_function_alt(7); | ||
81 | pnx833x_gpio_select_output(7); | ||
82 | |||
83 | pnx833x_gpio_select_function_alt(25); | ||
84 | pnx833x_gpio_select_function_alt(26); | ||
85 | |||
86 | pnx833x_gpio_select_function_alt(27); | ||
87 | pnx833x_gpio_select_function_alt(28); | ||
88 | pnx833x_gpio_select_function_alt(29); | ||
89 | pnx833x_gpio_select_function_alt(30); | ||
90 | pnx833x_gpio_select_function_alt(31); | ||
91 | pnx833x_gpio_select_function_alt(32); | ||
92 | pnx833x_gpio_select_function_alt(33); | ||
93 | |||
94 | #if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE) | ||
95 | /* Setup MIU for NAND access on CS0... | ||
96 | * | ||
97 | * (it seems that we must also configure CS1 for reliable operation, | ||
98 | * otherwise the first read ID command will fail if it's read as 4 bytes | ||
99 | * but pass if it's read as 1 word.) | ||
100 | */ | ||
101 | |||
102 | /* Setup MIU CS0 & CS1 timing */ | ||
103 | PNX833X_MIU_SEL0 = 0; | ||
104 | PNX833X_MIU_SEL1 = 0; | ||
105 | PNX833X_MIU_SEL0_TIMING = 0x50003081; | ||
106 | PNX833X_MIU_SEL1_TIMING = 0x50003081; | ||
107 | |||
108 | /* Setup GPIO 00 for use as MIU CS1 (CS0 is not multiplexed, so does not need this) */ | ||
109 | pnx833x_gpio_select_function_alt(0); | ||
110 | |||
111 | /* Setup GPIO 04 to input NAND read/busy signal */ | ||
112 | pnx833x_gpio_select_function_io(4); | ||
113 | pnx833x_gpio_select_input(4); | ||
114 | |||
115 | /* Setup GPIO 05 to disable NAND write protect */ | ||
116 | pnx833x_gpio_select_function_io(5); | ||
117 | pnx833x_gpio_select_output(5); | ||
118 | pnx833x_gpio_write(1, 5); | ||
119 | |||
120 | #elif defined(CONFIG_MTD_CFI) || defined(CONFIG_MTD_CFI_MODULE) | ||
121 | |||
122 | /* Set up MIU for 16-bit NOR access on CS0 and CS1... */ | ||
123 | |||
124 | /* Setup MIU CS0 & CS1 timing */ | ||
125 | PNX833X_MIU_SEL0 = 1; | ||
126 | PNX833X_MIU_SEL1 = 1; | ||
127 | PNX833X_MIU_SEL0_TIMING = 0x6A08D082; | ||
128 | PNX833X_MIU_SEL1_TIMING = 0x6A08D082; | ||
129 | |||
130 | /* Setup GPIO 00 for use as MIU CS1 (CS0 is not multiplexed, so does not need this) */ | ||
131 | pnx833x_gpio_select_function_alt(0); | ||
132 | #endif | ||
133 | } | ||