Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2005-2006 Atmel Corporation |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License version 2 as |
| 6 | * published by the Free Software Foundation. |
| 7 | */ |
| 8 | #include <linux/clk.h> |
Hans-Christian Egtvedt | 35bf50c | 2007-12-19 09:29:19 +0100 | [diff] [blame] | 9 | #include <linux/delay.h> |
Haavard Skinnemoen | d0a2b7a | 2007-03-21 18:08:49 +0100 | [diff] [blame] | 10 | #include <linux/fb.h> |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 11 | #include <linux/init.h> |
| 12 | #include <linux/platform_device.h> |
David Brownell | 6b84bbf | 2007-06-22 19:17:57 -0700 | [diff] [blame] | 13 | #include <linux/dma-mapping.h> |
Haavard Skinnemoen | 41d8ca4 | 2007-02-16 13:56:11 +0100 | [diff] [blame] | 14 | #include <linux/spi/spi.h> |
Stelian Pop | 8d85531 | 2008-03-05 00:00:00 +0100 | [diff] [blame] | 15 | #include <linux/usb/atmel_usba_udc.h> |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 16 | |
| 17 | #include <asm/io.h> |
Haavard Skinnemoen | e7ba176 | 2007-10-10 14:58:29 +0200 | [diff] [blame] | 18 | #include <asm/irq.h> |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 19 | |
Haavard Skinnemoen | 438ff3f | 2007-10-29 15:28:07 +0100 | [diff] [blame] | 20 | #include <asm/arch/at32ap700x.h> |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 21 | #include <asm/arch/board.h> |
| 22 | #include <asm/arch/portmux.h> |
Haavard Skinnemoen | b83d6ee | 2008-03-05 10:00:28 +0100 | [diff] [blame^] | 23 | #include <asm/arch/sram.h> |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 24 | |
Haavard Skinnemoen | d0a2b7a | 2007-03-21 18:08:49 +0100 | [diff] [blame] | 25 | #include <video/atmel_lcdc.h> |
| 26 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 27 | #include "clock.h" |
Haavard Skinnemoen | 9c8f8e7 | 2007-02-01 16:34:10 +0100 | [diff] [blame] | 28 | #include "hmatrix.h" |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 29 | #include "pio.h" |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 30 | #include "pm.h" |
| 31 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 32 | |
| 33 | #define PBMEM(base) \ |
| 34 | { \ |
| 35 | .start = base, \ |
| 36 | .end = base + 0x3ff, \ |
| 37 | .flags = IORESOURCE_MEM, \ |
| 38 | } |
| 39 | #define IRQ(num) \ |
| 40 | { \ |
| 41 | .start = num, \ |
| 42 | .end = num, \ |
| 43 | .flags = IORESOURCE_IRQ, \ |
| 44 | } |
| 45 | #define NAMED_IRQ(num, _name) \ |
| 46 | { \ |
| 47 | .start = num, \ |
| 48 | .end = num, \ |
| 49 | .name = _name, \ |
| 50 | .flags = IORESOURCE_IRQ, \ |
| 51 | } |
| 52 | |
David Brownell | 6b84bbf | 2007-06-22 19:17:57 -0700 | [diff] [blame] | 53 | /* REVISIT these assume *every* device supports DMA, but several |
| 54 | * don't ... tc, smc, pio, rtc, watchdog, pwm, ps2, and more. |
| 55 | */ |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 56 | #define DEFINE_DEV(_name, _id) \ |
David Brownell | 6b84bbf | 2007-06-22 19:17:57 -0700 | [diff] [blame] | 57 | static u64 _name##_id##_dma_mask = DMA_32BIT_MASK; \ |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 58 | static struct platform_device _name##_id##_device = { \ |
| 59 | .name = #_name, \ |
| 60 | .id = _id, \ |
| 61 | .dev = { \ |
David Brownell | 6b84bbf | 2007-06-22 19:17:57 -0700 | [diff] [blame] | 62 | .dma_mask = &_name##_id##_dma_mask, \ |
| 63 | .coherent_dma_mask = DMA_32BIT_MASK, \ |
| 64 | }, \ |
| 65 | .resource = _name##_id##_resource, \ |
| 66 | .num_resources = ARRAY_SIZE(_name##_id##_resource), \ |
| 67 | } |
| 68 | #define DEFINE_DEV_DATA(_name, _id) \ |
| 69 | static u64 _name##_id##_dma_mask = DMA_32BIT_MASK; \ |
| 70 | static struct platform_device _name##_id##_device = { \ |
| 71 | .name = #_name, \ |
| 72 | .id = _id, \ |
| 73 | .dev = { \ |
| 74 | .dma_mask = &_name##_id##_dma_mask, \ |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 75 | .platform_data = &_name##_id##_data, \ |
David Brownell | 6b84bbf | 2007-06-22 19:17:57 -0700 | [diff] [blame] | 76 | .coherent_dma_mask = DMA_32BIT_MASK, \ |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 77 | }, \ |
| 78 | .resource = _name##_id##_resource, \ |
| 79 | .num_resources = ARRAY_SIZE(_name##_id##_resource), \ |
| 80 | } |
| 81 | |
Haavard Skinnemoen | c3e2a79 | 2006-12-04 13:46:52 +0100 | [diff] [blame] | 82 | #define select_peripheral(pin, periph, flags) \ |
| 83 | at32_select_periph(GPIO_PIN_##pin, GPIO_##periph, flags) |
| 84 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 85 | #define DEV_CLK(_name, devname, bus, _index) \ |
| 86 | static struct clk devname##_##_name = { \ |
| 87 | .name = #_name, \ |
| 88 | .dev = &devname##_device.dev, \ |
| 89 | .parent = &bus##_clk, \ |
| 90 | .mode = bus##_clk_mode, \ |
| 91 | .get_rate = bus##_clk_get_rate, \ |
| 92 | .index = _index, \ |
| 93 | } |
| 94 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 95 | static DEFINE_SPINLOCK(pm_lock); |
| 96 | |
Hans-Christian Egtvedt | 35bf50c | 2007-12-19 09:29:19 +0100 | [diff] [blame] | 97 | static struct clk osc0; |
| 98 | static struct clk osc1; |
| 99 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 100 | static unsigned long osc_get_rate(struct clk *clk) |
| 101 | { |
Alex | 60ed795 | 2008-03-17 14:55:06 +0100 | [diff] [blame] | 102 | return at32_board_osc_rates[clk->index]; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 103 | } |
| 104 | |
| 105 | static unsigned long pll_get_rate(struct clk *clk, unsigned long control) |
| 106 | { |
| 107 | unsigned long div, mul, rate; |
| 108 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 109 | div = PM_BFEXT(PLLDIV, control) + 1; |
| 110 | mul = PM_BFEXT(PLLMUL, control) + 1; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 111 | |
| 112 | rate = clk->parent->get_rate(clk->parent); |
| 113 | rate = (rate + div / 2) / div; |
| 114 | rate *= mul; |
| 115 | |
| 116 | return rate; |
| 117 | } |
| 118 | |
Hans-Christian Egtvedt | 35bf50c | 2007-12-19 09:29:19 +0100 | [diff] [blame] | 119 | static long pll_set_rate(struct clk *clk, unsigned long rate, |
| 120 | u32 *pll_ctrl) |
| 121 | { |
| 122 | unsigned long mul; |
| 123 | unsigned long mul_best_fit = 0; |
| 124 | unsigned long div; |
| 125 | unsigned long div_min; |
| 126 | unsigned long div_max; |
| 127 | unsigned long div_best_fit = 0; |
| 128 | unsigned long base; |
| 129 | unsigned long pll_in; |
| 130 | unsigned long actual = 0; |
| 131 | unsigned long rate_error; |
| 132 | unsigned long rate_error_prev = ~0UL; |
| 133 | u32 ctrl; |
| 134 | |
| 135 | /* Rate must be between 80 MHz and 200 Mhz. */ |
| 136 | if (rate < 80000000UL || rate > 200000000UL) |
| 137 | return -EINVAL; |
| 138 | |
| 139 | ctrl = PM_BF(PLLOPT, 4); |
| 140 | base = clk->parent->get_rate(clk->parent); |
| 141 | |
| 142 | /* PLL input frequency must be between 6 MHz and 32 MHz. */ |
| 143 | div_min = DIV_ROUND_UP(base, 32000000UL); |
| 144 | div_max = base / 6000000UL; |
| 145 | |
| 146 | if (div_max < div_min) |
| 147 | return -EINVAL; |
| 148 | |
| 149 | for (div = div_min; div <= div_max; div++) { |
| 150 | pll_in = (base + div / 2) / div; |
| 151 | mul = (rate + pll_in / 2) / pll_in; |
| 152 | |
| 153 | if (mul == 0) |
| 154 | continue; |
| 155 | |
| 156 | actual = pll_in * mul; |
| 157 | rate_error = abs(actual - rate); |
| 158 | |
| 159 | if (rate_error < rate_error_prev) { |
| 160 | mul_best_fit = mul; |
| 161 | div_best_fit = div; |
| 162 | rate_error_prev = rate_error; |
| 163 | } |
| 164 | |
| 165 | if (rate_error == 0) |
| 166 | break; |
| 167 | } |
| 168 | |
| 169 | if (div_best_fit == 0) |
| 170 | return -EINVAL; |
| 171 | |
| 172 | ctrl |= PM_BF(PLLMUL, mul_best_fit - 1); |
| 173 | ctrl |= PM_BF(PLLDIV, div_best_fit - 1); |
| 174 | ctrl |= PM_BF(PLLCOUNT, 16); |
| 175 | |
| 176 | if (clk->parent == &osc1) |
| 177 | ctrl |= PM_BIT(PLLOSC); |
| 178 | |
| 179 | *pll_ctrl = ctrl; |
| 180 | |
| 181 | return actual; |
| 182 | } |
| 183 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 184 | static unsigned long pll0_get_rate(struct clk *clk) |
| 185 | { |
| 186 | u32 control; |
| 187 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 188 | control = pm_readl(PLL0); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 189 | |
| 190 | return pll_get_rate(clk, control); |
| 191 | } |
| 192 | |
Hans-Christian Egtvedt | 35bf50c | 2007-12-19 09:29:19 +0100 | [diff] [blame] | 193 | static void pll1_mode(struct clk *clk, int enabled) |
| 194 | { |
| 195 | unsigned long timeout; |
| 196 | u32 status; |
| 197 | u32 ctrl; |
| 198 | |
| 199 | ctrl = pm_readl(PLL1); |
| 200 | |
| 201 | if (enabled) { |
| 202 | if (!PM_BFEXT(PLLMUL, ctrl) && !PM_BFEXT(PLLDIV, ctrl)) { |
| 203 | pr_debug("clk %s: failed to enable, rate not set\n", |
| 204 | clk->name); |
| 205 | return; |
| 206 | } |
| 207 | |
| 208 | ctrl |= PM_BIT(PLLEN); |
| 209 | pm_writel(PLL1, ctrl); |
| 210 | |
| 211 | /* Wait for PLL lock. */ |
| 212 | for (timeout = 10000; timeout; timeout--) { |
| 213 | status = pm_readl(ISR); |
| 214 | if (status & PM_BIT(LOCK1)) |
| 215 | break; |
| 216 | udelay(10); |
| 217 | } |
| 218 | |
| 219 | if (!(status & PM_BIT(LOCK1))) |
| 220 | printk(KERN_ERR "clk %s: timeout waiting for lock\n", |
| 221 | clk->name); |
| 222 | } else { |
| 223 | ctrl &= ~PM_BIT(PLLEN); |
| 224 | pm_writel(PLL1, ctrl); |
| 225 | } |
| 226 | } |
| 227 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 228 | static unsigned long pll1_get_rate(struct clk *clk) |
| 229 | { |
| 230 | u32 control; |
| 231 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 232 | control = pm_readl(PLL1); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 233 | |
| 234 | return pll_get_rate(clk, control); |
| 235 | } |
| 236 | |
Hans-Christian Egtvedt | 35bf50c | 2007-12-19 09:29:19 +0100 | [diff] [blame] | 237 | static long pll1_set_rate(struct clk *clk, unsigned long rate, int apply) |
| 238 | { |
| 239 | u32 ctrl = 0; |
| 240 | unsigned long actual_rate; |
| 241 | |
| 242 | actual_rate = pll_set_rate(clk, rate, &ctrl); |
| 243 | |
| 244 | if (apply) { |
| 245 | if (actual_rate != rate) |
| 246 | return -EINVAL; |
| 247 | if (clk->users > 0) |
| 248 | return -EBUSY; |
| 249 | pr_debug(KERN_INFO "clk %s: new rate %lu (actual rate %lu)\n", |
| 250 | clk->name, rate, actual_rate); |
| 251 | pm_writel(PLL1, ctrl); |
| 252 | } |
| 253 | |
| 254 | return actual_rate; |
| 255 | } |
| 256 | |
| 257 | static int pll1_set_parent(struct clk *clk, struct clk *parent) |
| 258 | { |
| 259 | u32 ctrl; |
| 260 | |
| 261 | if (clk->users > 0) |
| 262 | return -EBUSY; |
| 263 | |
| 264 | ctrl = pm_readl(PLL1); |
| 265 | WARN_ON(ctrl & PM_BIT(PLLEN)); |
| 266 | |
| 267 | if (parent == &osc0) |
| 268 | ctrl &= ~PM_BIT(PLLOSC); |
| 269 | else if (parent == &osc1) |
| 270 | ctrl |= PM_BIT(PLLOSC); |
| 271 | else |
| 272 | return -EINVAL; |
| 273 | |
| 274 | pm_writel(PLL1, ctrl); |
| 275 | clk->parent = parent; |
| 276 | |
| 277 | return 0; |
| 278 | } |
| 279 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 280 | /* |
| 281 | * The AT32AP7000 has five primary clock sources: One 32kHz |
| 282 | * oscillator, two crystal oscillators and two PLLs. |
| 283 | */ |
| 284 | static struct clk osc32k = { |
| 285 | .name = "osc32k", |
| 286 | .get_rate = osc_get_rate, |
| 287 | .users = 1, |
| 288 | .index = 0, |
| 289 | }; |
| 290 | static struct clk osc0 = { |
| 291 | .name = "osc0", |
| 292 | .get_rate = osc_get_rate, |
| 293 | .users = 1, |
| 294 | .index = 1, |
| 295 | }; |
| 296 | static struct clk osc1 = { |
| 297 | .name = "osc1", |
| 298 | .get_rate = osc_get_rate, |
| 299 | .index = 2, |
| 300 | }; |
| 301 | static struct clk pll0 = { |
| 302 | .name = "pll0", |
| 303 | .get_rate = pll0_get_rate, |
| 304 | .parent = &osc0, |
| 305 | }; |
| 306 | static struct clk pll1 = { |
| 307 | .name = "pll1", |
Hans-Christian Egtvedt | 35bf50c | 2007-12-19 09:29:19 +0100 | [diff] [blame] | 308 | .mode = pll1_mode, |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 309 | .get_rate = pll1_get_rate, |
Hans-Christian Egtvedt | 35bf50c | 2007-12-19 09:29:19 +0100 | [diff] [blame] | 310 | .set_rate = pll1_set_rate, |
| 311 | .set_parent = pll1_set_parent, |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 312 | .parent = &osc0, |
| 313 | }; |
| 314 | |
| 315 | /* |
| 316 | * The main clock can be either osc0 or pll0. The boot loader may |
| 317 | * have chosen one for us, so we don't really know which one until we |
| 318 | * have a look at the SM. |
| 319 | */ |
| 320 | static struct clk *main_clock; |
| 321 | |
| 322 | /* |
| 323 | * Synchronous clocks are generated from the main clock. The clocks |
| 324 | * must satisfy the constraint |
| 325 | * fCPU >= fHSB >= fPB |
| 326 | * i.e. each clock must not be faster than its parent. |
| 327 | */ |
| 328 | static unsigned long bus_clk_get_rate(struct clk *clk, unsigned int shift) |
| 329 | { |
| 330 | return main_clock->get_rate(main_clock) >> shift; |
| 331 | }; |
| 332 | |
| 333 | static void cpu_clk_mode(struct clk *clk, int enabled) |
| 334 | { |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 335 | unsigned long flags; |
| 336 | u32 mask; |
| 337 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 338 | spin_lock_irqsave(&pm_lock, flags); |
| 339 | mask = pm_readl(CPU_MASK); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 340 | if (enabled) |
| 341 | mask |= 1 << clk->index; |
| 342 | else |
| 343 | mask &= ~(1 << clk->index); |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 344 | pm_writel(CPU_MASK, mask); |
| 345 | spin_unlock_irqrestore(&pm_lock, flags); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 346 | } |
| 347 | |
| 348 | static unsigned long cpu_clk_get_rate(struct clk *clk) |
| 349 | { |
| 350 | unsigned long cksel, shift = 0; |
| 351 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 352 | cksel = pm_readl(CKSEL); |
| 353 | if (cksel & PM_BIT(CPUDIV)) |
| 354 | shift = PM_BFEXT(CPUSEL, cksel) + 1; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 355 | |
| 356 | return bus_clk_get_rate(clk, shift); |
| 357 | } |
| 358 | |
Hans-Christian Egtvedt | 9e58e18 | 2007-06-04 16:10:57 +0200 | [diff] [blame] | 359 | static long cpu_clk_set_rate(struct clk *clk, unsigned long rate, int apply) |
| 360 | { |
| 361 | u32 control; |
| 362 | unsigned long parent_rate, child_div, actual_rate, div; |
| 363 | |
| 364 | parent_rate = clk->parent->get_rate(clk->parent); |
| 365 | control = pm_readl(CKSEL); |
| 366 | |
| 367 | if (control & PM_BIT(HSBDIV)) |
| 368 | child_div = 1 << (PM_BFEXT(HSBSEL, control) + 1); |
| 369 | else |
| 370 | child_div = 1; |
| 371 | |
| 372 | if (rate > 3 * (parent_rate / 4) || child_div == 1) { |
| 373 | actual_rate = parent_rate; |
| 374 | control &= ~PM_BIT(CPUDIV); |
| 375 | } else { |
| 376 | unsigned int cpusel; |
| 377 | div = (parent_rate + rate / 2) / rate; |
| 378 | if (div > child_div) |
| 379 | div = child_div; |
| 380 | cpusel = (div > 1) ? (fls(div) - 2) : 0; |
| 381 | control = PM_BIT(CPUDIV) | PM_BFINS(CPUSEL, cpusel, control); |
| 382 | actual_rate = parent_rate / (1 << (cpusel + 1)); |
| 383 | } |
| 384 | |
| 385 | pr_debug("clk %s: new rate %lu (actual rate %lu)\n", |
| 386 | clk->name, rate, actual_rate); |
| 387 | |
| 388 | if (apply) |
| 389 | pm_writel(CKSEL, control); |
| 390 | |
| 391 | return actual_rate; |
| 392 | } |
| 393 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 394 | static void hsb_clk_mode(struct clk *clk, int enabled) |
| 395 | { |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 396 | unsigned long flags; |
| 397 | u32 mask; |
| 398 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 399 | spin_lock_irqsave(&pm_lock, flags); |
| 400 | mask = pm_readl(HSB_MASK); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 401 | if (enabled) |
| 402 | mask |= 1 << clk->index; |
| 403 | else |
| 404 | mask &= ~(1 << clk->index); |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 405 | pm_writel(HSB_MASK, mask); |
| 406 | spin_unlock_irqrestore(&pm_lock, flags); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 407 | } |
| 408 | |
| 409 | static unsigned long hsb_clk_get_rate(struct clk *clk) |
| 410 | { |
| 411 | unsigned long cksel, shift = 0; |
| 412 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 413 | cksel = pm_readl(CKSEL); |
| 414 | if (cksel & PM_BIT(HSBDIV)) |
| 415 | shift = PM_BFEXT(HSBSEL, cksel) + 1; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 416 | |
| 417 | return bus_clk_get_rate(clk, shift); |
| 418 | } |
| 419 | |
| 420 | static void pba_clk_mode(struct clk *clk, int enabled) |
| 421 | { |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 422 | unsigned long flags; |
| 423 | u32 mask; |
| 424 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 425 | spin_lock_irqsave(&pm_lock, flags); |
| 426 | mask = pm_readl(PBA_MASK); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 427 | if (enabled) |
| 428 | mask |= 1 << clk->index; |
| 429 | else |
| 430 | mask &= ~(1 << clk->index); |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 431 | pm_writel(PBA_MASK, mask); |
| 432 | spin_unlock_irqrestore(&pm_lock, flags); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 433 | } |
| 434 | |
| 435 | static unsigned long pba_clk_get_rate(struct clk *clk) |
| 436 | { |
| 437 | unsigned long cksel, shift = 0; |
| 438 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 439 | cksel = pm_readl(CKSEL); |
| 440 | if (cksel & PM_BIT(PBADIV)) |
| 441 | shift = PM_BFEXT(PBASEL, cksel) + 1; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 442 | |
| 443 | return bus_clk_get_rate(clk, shift); |
| 444 | } |
| 445 | |
| 446 | static void pbb_clk_mode(struct clk *clk, int enabled) |
| 447 | { |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 448 | unsigned long flags; |
| 449 | u32 mask; |
| 450 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 451 | spin_lock_irqsave(&pm_lock, flags); |
| 452 | mask = pm_readl(PBB_MASK); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 453 | if (enabled) |
| 454 | mask |= 1 << clk->index; |
| 455 | else |
| 456 | mask &= ~(1 << clk->index); |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 457 | pm_writel(PBB_MASK, mask); |
| 458 | spin_unlock_irqrestore(&pm_lock, flags); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 459 | } |
| 460 | |
| 461 | static unsigned long pbb_clk_get_rate(struct clk *clk) |
| 462 | { |
| 463 | unsigned long cksel, shift = 0; |
| 464 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 465 | cksel = pm_readl(CKSEL); |
| 466 | if (cksel & PM_BIT(PBBDIV)) |
| 467 | shift = PM_BFEXT(PBBSEL, cksel) + 1; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 468 | |
| 469 | return bus_clk_get_rate(clk, shift); |
| 470 | } |
| 471 | |
| 472 | static struct clk cpu_clk = { |
| 473 | .name = "cpu", |
| 474 | .get_rate = cpu_clk_get_rate, |
Hans-Christian Egtvedt | 9e58e18 | 2007-06-04 16:10:57 +0200 | [diff] [blame] | 475 | .set_rate = cpu_clk_set_rate, |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 476 | .users = 1, |
| 477 | }; |
| 478 | static struct clk hsb_clk = { |
| 479 | .name = "hsb", |
| 480 | .parent = &cpu_clk, |
| 481 | .get_rate = hsb_clk_get_rate, |
| 482 | }; |
| 483 | static struct clk pba_clk = { |
| 484 | .name = "pba", |
| 485 | .parent = &hsb_clk, |
| 486 | .mode = hsb_clk_mode, |
| 487 | .get_rate = pba_clk_get_rate, |
| 488 | .index = 1, |
| 489 | }; |
| 490 | static struct clk pbb_clk = { |
| 491 | .name = "pbb", |
| 492 | .parent = &hsb_clk, |
| 493 | .mode = hsb_clk_mode, |
| 494 | .get_rate = pbb_clk_get_rate, |
| 495 | .users = 1, |
| 496 | .index = 2, |
| 497 | }; |
| 498 | |
| 499 | /* -------------------------------------------------------------------- |
| 500 | * Generic Clock operations |
| 501 | * -------------------------------------------------------------------- */ |
| 502 | |
| 503 | static void genclk_mode(struct clk *clk, int enabled) |
| 504 | { |
| 505 | u32 control; |
| 506 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 507 | control = pm_readl(GCCTRL(clk->index)); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 508 | if (enabled) |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 509 | control |= PM_BIT(CEN); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 510 | else |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 511 | control &= ~PM_BIT(CEN); |
| 512 | pm_writel(GCCTRL(clk->index), control); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 513 | } |
| 514 | |
| 515 | static unsigned long genclk_get_rate(struct clk *clk) |
| 516 | { |
| 517 | u32 control; |
| 518 | unsigned long div = 1; |
| 519 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 520 | control = pm_readl(GCCTRL(clk->index)); |
| 521 | if (control & PM_BIT(DIVEN)) |
| 522 | div = 2 * (PM_BFEXT(DIV, control) + 1); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 523 | |
| 524 | return clk->parent->get_rate(clk->parent) / div; |
| 525 | } |
| 526 | |
| 527 | static long genclk_set_rate(struct clk *clk, unsigned long rate, int apply) |
| 528 | { |
| 529 | u32 control; |
| 530 | unsigned long parent_rate, actual_rate, div; |
| 531 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 532 | parent_rate = clk->parent->get_rate(clk->parent); |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 533 | control = pm_readl(GCCTRL(clk->index)); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 534 | |
| 535 | if (rate > 3 * parent_rate / 4) { |
| 536 | actual_rate = parent_rate; |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 537 | control &= ~PM_BIT(DIVEN); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 538 | } else { |
| 539 | div = (parent_rate + rate) / (2 * rate) - 1; |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 540 | control = PM_BFINS(DIV, div, control) | PM_BIT(DIVEN); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 541 | actual_rate = parent_rate / (2 * (div + 1)); |
| 542 | } |
| 543 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 544 | dev_dbg(clk->dev, "clk %s: new rate %lu (actual rate %lu)\n", |
| 545 | clk->name, rate, actual_rate); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 546 | |
| 547 | if (apply) |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 548 | pm_writel(GCCTRL(clk->index), control); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 549 | |
| 550 | return actual_rate; |
| 551 | } |
| 552 | |
| 553 | int genclk_set_parent(struct clk *clk, struct clk *parent) |
| 554 | { |
| 555 | u32 control; |
| 556 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 557 | dev_dbg(clk->dev, "clk %s: new parent %s (was %s)\n", |
| 558 | clk->name, parent->name, clk->parent->name); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 559 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 560 | control = pm_readl(GCCTRL(clk->index)); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 561 | |
| 562 | if (parent == &osc1 || parent == &pll1) |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 563 | control |= PM_BIT(OSCSEL); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 564 | else if (parent == &osc0 || parent == &pll0) |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 565 | control &= ~PM_BIT(OSCSEL); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 566 | else |
| 567 | return -EINVAL; |
| 568 | |
| 569 | if (parent == &pll0 || parent == &pll1) |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 570 | control |= PM_BIT(PLLSEL); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 571 | else |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 572 | control &= ~PM_BIT(PLLSEL); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 573 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 574 | pm_writel(GCCTRL(clk->index), control); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 575 | clk->parent = parent; |
| 576 | |
| 577 | return 0; |
| 578 | } |
| 579 | |
Haavard Skinnemoen | 7a5fe23 | 2007-02-16 13:14:33 +0100 | [diff] [blame] | 580 | static void __init genclk_init_parent(struct clk *clk) |
| 581 | { |
| 582 | u32 control; |
| 583 | struct clk *parent; |
| 584 | |
| 585 | BUG_ON(clk->index > 7); |
| 586 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 587 | control = pm_readl(GCCTRL(clk->index)); |
| 588 | if (control & PM_BIT(OSCSEL)) |
| 589 | parent = (control & PM_BIT(PLLSEL)) ? &pll1 : &osc1; |
Haavard Skinnemoen | 7a5fe23 | 2007-02-16 13:14:33 +0100 | [diff] [blame] | 590 | else |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 591 | parent = (control & PM_BIT(PLLSEL)) ? &pll0 : &osc0; |
Haavard Skinnemoen | 7a5fe23 | 2007-02-16 13:14:33 +0100 | [diff] [blame] | 592 | |
| 593 | clk->parent = parent; |
| 594 | } |
| 595 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 596 | /* -------------------------------------------------------------------- |
| 597 | * System peripherals |
| 598 | * -------------------------------------------------------------------- */ |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 599 | static struct resource at32_pm0_resource[] = { |
| 600 | { |
| 601 | .start = 0xfff00000, |
| 602 | .end = 0xfff0007f, |
| 603 | .flags = IORESOURCE_MEM, |
| 604 | }, |
| 605 | IRQ(20), |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 606 | }; |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 607 | |
| 608 | static struct resource at32ap700x_rtc0_resource[] = { |
| 609 | { |
| 610 | .start = 0xfff00080, |
| 611 | .end = 0xfff000af, |
| 612 | .flags = IORESOURCE_MEM, |
| 613 | }, |
| 614 | IRQ(21), |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 615 | }; |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 616 | |
| 617 | static struct resource at32_wdt0_resource[] = { |
| 618 | { |
| 619 | .start = 0xfff000b0, |
Hans-Christian Egtvedt | 9797bed | 2007-10-30 14:29:50 +0100 | [diff] [blame] | 620 | .end = 0xfff000cf, |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 621 | .flags = IORESOURCE_MEM, |
| 622 | }, |
| 623 | }; |
| 624 | |
| 625 | static struct resource at32_eic0_resource[] = { |
| 626 | { |
| 627 | .start = 0xfff00100, |
| 628 | .end = 0xfff0013f, |
| 629 | .flags = IORESOURCE_MEM, |
| 630 | }, |
| 631 | IRQ(19), |
| 632 | }; |
| 633 | |
| 634 | DEFINE_DEV(at32_pm, 0); |
| 635 | DEFINE_DEV(at32ap700x_rtc, 0); |
| 636 | DEFINE_DEV(at32_wdt, 0); |
| 637 | DEFINE_DEV(at32_eic, 0); |
| 638 | |
| 639 | /* |
| 640 | * Peripheral clock for PM, RTC, WDT and EIC. PM will ensure that this |
| 641 | * is always running. |
| 642 | */ |
| 643 | static struct clk at32_pm_pclk = { |
Haavard Skinnemoen | 188ff65 | 2007-03-14 13:23:44 +0100 | [diff] [blame] | 644 | .name = "pclk", |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 645 | .dev = &at32_pm0_device.dev, |
Haavard Skinnemoen | 188ff65 | 2007-03-14 13:23:44 +0100 | [diff] [blame] | 646 | .parent = &pbb_clk, |
| 647 | .mode = pbb_clk_mode, |
| 648 | .get_rate = pbb_clk_get_rate, |
| 649 | .users = 1, |
| 650 | .index = 0, |
| 651 | }; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 652 | |
| 653 | static struct resource intc0_resource[] = { |
| 654 | PBMEM(0xfff00400), |
| 655 | }; |
| 656 | struct platform_device at32_intc0_device = { |
| 657 | .name = "intc", |
| 658 | .id = 0, |
| 659 | .resource = intc0_resource, |
| 660 | .num_resources = ARRAY_SIZE(intc0_resource), |
| 661 | }; |
| 662 | DEV_CLK(pclk, at32_intc0, pbb, 1); |
| 663 | |
| 664 | static struct clk ebi_clk = { |
| 665 | .name = "ebi", |
| 666 | .parent = &hsb_clk, |
| 667 | .mode = hsb_clk_mode, |
| 668 | .get_rate = hsb_clk_get_rate, |
| 669 | .users = 1, |
| 670 | }; |
| 671 | static struct clk hramc_clk = { |
| 672 | .name = "hramc", |
| 673 | .parent = &hsb_clk, |
| 674 | .mode = hsb_clk_mode, |
| 675 | .get_rate = hsb_clk_get_rate, |
| 676 | .users = 1, |
Haavard Skinnemoen | 188ff65 | 2007-03-14 13:23:44 +0100 | [diff] [blame] | 677 | .index = 3, |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 678 | }; |
Haavard Skinnemoen | 7951f18 | 2008-03-05 15:08:27 +0100 | [diff] [blame] | 679 | static struct clk sdramc_clk = { |
| 680 | .name = "sdramc_clk", |
| 681 | .parent = &pbb_clk, |
| 682 | .mode = pbb_clk_mode, |
| 683 | .get_rate = pbb_clk_get_rate, |
| 684 | .users = 1, |
| 685 | .index = 14, |
| 686 | }; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 687 | |
Haavard Skinnemoen | bc157b7 | 2006-09-25 23:32:16 -0700 | [diff] [blame] | 688 | static struct resource smc0_resource[] = { |
| 689 | PBMEM(0xfff03400), |
| 690 | }; |
| 691 | DEFINE_DEV(smc, 0); |
| 692 | DEV_CLK(pclk, smc0, pbb, 13); |
| 693 | DEV_CLK(mck, smc0, hsb, 0); |
| 694 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 695 | static struct platform_device pdc_device = { |
| 696 | .name = "pdc", |
| 697 | .id = 0, |
| 698 | }; |
| 699 | DEV_CLK(hclk, pdc, hsb, 4); |
| 700 | DEV_CLK(pclk, pdc, pba, 16); |
| 701 | |
| 702 | static struct clk pico_clk = { |
| 703 | .name = "pico", |
| 704 | .parent = &cpu_clk, |
| 705 | .mode = cpu_clk_mode, |
| 706 | .get_rate = cpu_clk_get_rate, |
| 707 | .users = 1, |
| 708 | }; |
| 709 | |
Haavard Skinnemoen | 2042c1c | 2007-10-22 17:42:35 +0200 | [diff] [blame] | 710 | static struct resource dmaca0_resource[] = { |
| 711 | { |
| 712 | .start = 0xff200000, |
| 713 | .end = 0xff20ffff, |
| 714 | .flags = IORESOURCE_MEM, |
| 715 | }, |
| 716 | IRQ(2), |
| 717 | }; |
| 718 | DEFINE_DEV(dmaca, 0); |
| 719 | DEV_CLK(hclk, dmaca0, hsb, 10); |
| 720 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 721 | /* -------------------------------------------------------------------- |
Haavard Skinnemoen | 9c8f8e7 | 2007-02-01 16:34:10 +0100 | [diff] [blame] | 722 | * HMATRIX |
| 723 | * -------------------------------------------------------------------- */ |
| 724 | |
| 725 | static struct clk hmatrix_clk = { |
| 726 | .name = "hmatrix_clk", |
| 727 | .parent = &pbb_clk, |
| 728 | .mode = pbb_clk_mode, |
| 729 | .get_rate = pbb_clk_get_rate, |
| 730 | .index = 2, |
| 731 | .users = 1, |
| 732 | }; |
| 733 | #define HMATRIX_BASE ((void __iomem *)0xfff00800) |
| 734 | |
| 735 | #define hmatrix_readl(reg) \ |
| 736 | __raw_readl((HMATRIX_BASE) + HMATRIX_##reg) |
| 737 | #define hmatrix_writel(reg,value) \ |
| 738 | __raw_writel((value), (HMATRIX_BASE) + HMATRIX_##reg) |
| 739 | |
| 740 | /* |
| 741 | * Set bits in the HMATRIX Special Function Register (SFR) used by the |
| 742 | * External Bus Interface (EBI). This can be used to enable special |
| 743 | * features like CompactFlash support, NAND Flash support, etc. on |
| 744 | * certain chipselects. |
| 745 | */ |
| 746 | static inline void set_ebi_sfr_bits(u32 mask) |
| 747 | { |
| 748 | u32 sfr; |
| 749 | |
| 750 | clk_enable(&hmatrix_clk); |
| 751 | sfr = hmatrix_readl(SFR4); |
| 752 | sfr |= mask; |
| 753 | hmatrix_writel(SFR4, sfr); |
| 754 | clk_disable(&hmatrix_clk); |
| 755 | } |
| 756 | |
| 757 | /* -------------------------------------------------------------------- |
David Brownell | e723ff6 | 2008-02-14 11:24:02 -0800 | [diff] [blame] | 758 | * Timer/Counter (TC) |
Hans-Christian Egtvedt | 7760989 | 2007-03-12 18:15:16 +0100 | [diff] [blame] | 759 | * -------------------------------------------------------------------- */ |
David Brownell | e723ff6 | 2008-02-14 11:24:02 -0800 | [diff] [blame] | 760 | |
| 761 | static struct resource at32_tcb0_resource[] = { |
Hans-Christian Egtvedt | 7760989 | 2007-03-12 18:15:16 +0100 | [diff] [blame] | 762 | PBMEM(0xfff00c00), |
| 763 | IRQ(22), |
| 764 | }; |
David Brownell | e723ff6 | 2008-02-14 11:24:02 -0800 | [diff] [blame] | 765 | static struct platform_device at32_tcb0_device = { |
| 766 | .name = "atmel_tcb", |
Hans-Christian Egtvedt | 7760989 | 2007-03-12 18:15:16 +0100 | [diff] [blame] | 767 | .id = 0, |
David Brownell | e723ff6 | 2008-02-14 11:24:02 -0800 | [diff] [blame] | 768 | .resource = at32_tcb0_resource, |
| 769 | .num_resources = ARRAY_SIZE(at32_tcb0_resource), |
Hans-Christian Egtvedt | 7760989 | 2007-03-12 18:15:16 +0100 | [diff] [blame] | 770 | }; |
David Brownell | e723ff6 | 2008-02-14 11:24:02 -0800 | [diff] [blame] | 771 | DEV_CLK(t0_clk, at32_tcb0, pbb, 3); |
| 772 | |
| 773 | static struct resource at32_tcb1_resource[] = { |
| 774 | PBMEM(0xfff01000), |
| 775 | IRQ(23), |
| 776 | }; |
| 777 | static struct platform_device at32_tcb1_device = { |
| 778 | .name = "atmel_tcb", |
| 779 | .id = 1, |
| 780 | .resource = at32_tcb1_resource, |
| 781 | .num_resources = ARRAY_SIZE(at32_tcb1_resource), |
| 782 | }; |
| 783 | DEV_CLK(t0_clk, at32_tcb1, pbb, 4); |
Hans-Christian Egtvedt | 7760989 | 2007-03-12 18:15:16 +0100 | [diff] [blame] | 784 | |
| 785 | /* -------------------------------------------------------------------- |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 786 | * PIO |
| 787 | * -------------------------------------------------------------------- */ |
| 788 | |
| 789 | static struct resource pio0_resource[] = { |
| 790 | PBMEM(0xffe02800), |
| 791 | IRQ(13), |
| 792 | }; |
| 793 | DEFINE_DEV(pio, 0); |
| 794 | DEV_CLK(mck, pio0, pba, 10); |
| 795 | |
| 796 | static struct resource pio1_resource[] = { |
| 797 | PBMEM(0xffe02c00), |
| 798 | IRQ(14), |
| 799 | }; |
| 800 | DEFINE_DEV(pio, 1); |
| 801 | DEV_CLK(mck, pio1, pba, 11); |
| 802 | |
| 803 | static struct resource pio2_resource[] = { |
| 804 | PBMEM(0xffe03000), |
| 805 | IRQ(15), |
| 806 | }; |
| 807 | DEFINE_DEV(pio, 2); |
| 808 | DEV_CLK(mck, pio2, pba, 12); |
| 809 | |
| 810 | static struct resource pio3_resource[] = { |
| 811 | PBMEM(0xffe03400), |
| 812 | IRQ(16), |
| 813 | }; |
| 814 | DEFINE_DEV(pio, 3); |
| 815 | DEV_CLK(mck, pio3, pba, 13); |
| 816 | |
Haavard Skinnemoen | 7f9f467 | 2007-01-30 11:16:16 +0100 | [diff] [blame] | 817 | static struct resource pio4_resource[] = { |
| 818 | PBMEM(0xffe03800), |
| 819 | IRQ(17), |
| 820 | }; |
| 821 | DEFINE_DEV(pio, 4); |
| 822 | DEV_CLK(mck, pio4, pba, 14); |
| 823 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 824 | void __init at32_add_system_devices(void) |
| 825 | { |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 826 | platform_device_register(&at32_pm0_device); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 827 | platform_device_register(&at32_intc0_device); |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 828 | platform_device_register(&at32ap700x_rtc0_device); |
| 829 | platform_device_register(&at32_wdt0_device); |
| 830 | platform_device_register(&at32_eic0_device); |
Haavard Skinnemoen | bc157b7 | 2006-09-25 23:32:16 -0700 | [diff] [blame] | 831 | platform_device_register(&smc0_device); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 832 | platform_device_register(&pdc_device); |
Haavard Skinnemoen | 2042c1c | 2007-10-22 17:42:35 +0200 | [diff] [blame] | 833 | platform_device_register(&dmaca0_device); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 834 | |
David Brownell | e723ff6 | 2008-02-14 11:24:02 -0800 | [diff] [blame] | 835 | platform_device_register(&at32_tcb0_device); |
| 836 | platform_device_register(&at32_tcb1_device); |
Hans-Christian Egtvedt | 7760989 | 2007-03-12 18:15:16 +0100 | [diff] [blame] | 837 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 838 | platform_device_register(&pio0_device); |
| 839 | platform_device_register(&pio1_device); |
| 840 | platform_device_register(&pio2_device); |
| 841 | platform_device_register(&pio3_device); |
Haavard Skinnemoen | 7f9f467 | 2007-01-30 11:16:16 +0100 | [diff] [blame] | 842 | platform_device_register(&pio4_device); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 843 | } |
| 844 | |
| 845 | /* -------------------------------------------------------------------- |
Hans-Christian Egtvedt | d86d314 | 2008-02-25 11:24:30 +0100 | [diff] [blame] | 846 | * PSIF |
| 847 | * -------------------------------------------------------------------- */ |
| 848 | static struct resource atmel_psif0_resource[] __initdata = { |
| 849 | { |
| 850 | .start = 0xffe03c00, |
| 851 | .end = 0xffe03cff, |
| 852 | .flags = IORESOURCE_MEM, |
| 853 | }, |
| 854 | IRQ(18), |
| 855 | }; |
| 856 | static struct clk atmel_psif0_pclk = { |
| 857 | .name = "pclk", |
| 858 | .parent = &pba_clk, |
| 859 | .mode = pba_clk_mode, |
| 860 | .get_rate = pba_clk_get_rate, |
| 861 | .index = 15, |
| 862 | }; |
| 863 | |
| 864 | static struct resource atmel_psif1_resource[] __initdata = { |
| 865 | { |
| 866 | .start = 0xffe03d00, |
| 867 | .end = 0xffe03dff, |
| 868 | .flags = IORESOURCE_MEM, |
| 869 | }, |
| 870 | IRQ(18), |
| 871 | }; |
| 872 | static struct clk atmel_psif1_pclk = { |
| 873 | .name = "pclk", |
| 874 | .parent = &pba_clk, |
| 875 | .mode = pba_clk_mode, |
| 876 | .get_rate = pba_clk_get_rate, |
| 877 | .index = 15, |
| 878 | }; |
| 879 | |
| 880 | struct platform_device *__init at32_add_device_psif(unsigned int id) |
| 881 | { |
| 882 | struct platform_device *pdev; |
| 883 | |
| 884 | if (!(id == 0 || id == 1)) |
| 885 | return NULL; |
| 886 | |
| 887 | pdev = platform_device_alloc("atmel_psif", id); |
| 888 | if (!pdev) |
| 889 | return NULL; |
| 890 | |
| 891 | switch (id) { |
| 892 | case 0: |
| 893 | if (platform_device_add_resources(pdev, atmel_psif0_resource, |
| 894 | ARRAY_SIZE(atmel_psif0_resource))) |
| 895 | goto err_add_resources; |
| 896 | atmel_psif0_pclk.dev = &pdev->dev; |
| 897 | select_peripheral(PA(8), PERIPH_A, 0); /* CLOCK */ |
| 898 | select_peripheral(PA(9), PERIPH_A, 0); /* DATA */ |
| 899 | break; |
| 900 | case 1: |
| 901 | if (platform_device_add_resources(pdev, atmel_psif1_resource, |
| 902 | ARRAY_SIZE(atmel_psif1_resource))) |
| 903 | goto err_add_resources; |
| 904 | atmel_psif1_pclk.dev = &pdev->dev; |
| 905 | select_peripheral(PB(11), PERIPH_A, 0); /* CLOCK */ |
| 906 | select_peripheral(PB(12), PERIPH_A, 0); /* DATA */ |
| 907 | break; |
| 908 | default: |
| 909 | return NULL; |
| 910 | } |
| 911 | |
| 912 | platform_device_add(pdev); |
| 913 | return pdev; |
| 914 | |
| 915 | err_add_resources: |
| 916 | platform_device_put(pdev); |
| 917 | return NULL; |
| 918 | } |
| 919 | |
| 920 | /* -------------------------------------------------------------------- |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 921 | * USART |
| 922 | * -------------------------------------------------------------------- */ |
| 923 | |
Haavard Skinnemoen | 75d3521 | 2006-10-04 16:02:08 +0200 | [diff] [blame] | 924 | static struct atmel_uart_data atmel_usart0_data = { |
| 925 | .use_dma_tx = 1, |
| 926 | .use_dma_rx = 1, |
| 927 | }; |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 928 | static struct resource atmel_usart0_resource[] = { |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 929 | PBMEM(0xffe00c00), |
David Brownell | a3d912c | 2007-01-23 20:14:02 -0800 | [diff] [blame] | 930 | IRQ(6), |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 931 | }; |
Haavard Skinnemoen | 75d3521 | 2006-10-04 16:02:08 +0200 | [diff] [blame] | 932 | DEFINE_DEV_DATA(atmel_usart, 0); |
ben.nizette@iinet.net.au | 80f76c5 | 2007-11-07 16:16:22 +0900 | [diff] [blame] | 933 | DEV_CLK(usart, atmel_usart0, pba, 3); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 934 | |
Haavard Skinnemoen | 75d3521 | 2006-10-04 16:02:08 +0200 | [diff] [blame] | 935 | static struct atmel_uart_data atmel_usart1_data = { |
| 936 | .use_dma_tx = 1, |
| 937 | .use_dma_rx = 1, |
| 938 | }; |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 939 | static struct resource atmel_usart1_resource[] = { |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 940 | PBMEM(0xffe01000), |
| 941 | IRQ(7), |
| 942 | }; |
Haavard Skinnemoen | 75d3521 | 2006-10-04 16:02:08 +0200 | [diff] [blame] | 943 | DEFINE_DEV_DATA(atmel_usart, 1); |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 944 | DEV_CLK(usart, atmel_usart1, pba, 4); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 945 | |
Haavard Skinnemoen | 75d3521 | 2006-10-04 16:02:08 +0200 | [diff] [blame] | 946 | static struct atmel_uart_data atmel_usart2_data = { |
| 947 | .use_dma_tx = 1, |
| 948 | .use_dma_rx = 1, |
| 949 | }; |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 950 | static struct resource atmel_usart2_resource[] = { |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 951 | PBMEM(0xffe01400), |
| 952 | IRQ(8), |
| 953 | }; |
Haavard Skinnemoen | 75d3521 | 2006-10-04 16:02:08 +0200 | [diff] [blame] | 954 | DEFINE_DEV_DATA(atmel_usart, 2); |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 955 | DEV_CLK(usart, atmel_usart2, pba, 5); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 956 | |
Haavard Skinnemoen | 75d3521 | 2006-10-04 16:02:08 +0200 | [diff] [blame] | 957 | static struct atmel_uart_data atmel_usart3_data = { |
| 958 | .use_dma_tx = 1, |
| 959 | .use_dma_rx = 1, |
| 960 | }; |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 961 | static struct resource atmel_usart3_resource[] = { |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 962 | PBMEM(0xffe01800), |
| 963 | IRQ(9), |
| 964 | }; |
Haavard Skinnemoen | 75d3521 | 2006-10-04 16:02:08 +0200 | [diff] [blame] | 965 | DEFINE_DEV_DATA(atmel_usart, 3); |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 966 | DEV_CLK(usart, atmel_usart3, pba, 6); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 967 | |
| 968 | static inline void configure_usart0_pins(void) |
| 969 | { |
Haavard Skinnemoen | c3e2a79 | 2006-12-04 13:46:52 +0100 | [diff] [blame] | 970 | select_peripheral(PA(8), PERIPH_B, 0); /* RXD */ |
| 971 | select_peripheral(PA(9), PERIPH_B, 0); /* TXD */ |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 972 | } |
| 973 | |
| 974 | static inline void configure_usart1_pins(void) |
| 975 | { |
Haavard Skinnemoen | c3e2a79 | 2006-12-04 13:46:52 +0100 | [diff] [blame] | 976 | select_peripheral(PA(17), PERIPH_A, 0); /* RXD */ |
| 977 | select_peripheral(PA(18), PERIPH_A, 0); /* TXD */ |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 978 | } |
| 979 | |
| 980 | static inline void configure_usart2_pins(void) |
| 981 | { |
Haavard Skinnemoen | c3e2a79 | 2006-12-04 13:46:52 +0100 | [diff] [blame] | 982 | select_peripheral(PB(26), PERIPH_B, 0); /* RXD */ |
| 983 | select_peripheral(PB(27), PERIPH_B, 0); /* TXD */ |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 984 | } |
| 985 | |
| 986 | static inline void configure_usart3_pins(void) |
| 987 | { |
Haavard Skinnemoen | c3e2a79 | 2006-12-04 13:46:52 +0100 | [diff] [blame] | 988 | select_peripheral(PB(18), PERIPH_B, 0); /* RXD */ |
| 989 | select_peripheral(PB(17), PERIPH_B, 0); /* TXD */ |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 990 | } |
| 991 | |
David Brownell | a3d912c | 2007-01-23 20:14:02 -0800 | [diff] [blame] | 992 | static struct platform_device *__initdata at32_usarts[4]; |
Haavard Skinnemoen | c194588 | 2006-10-04 16:02:10 +0200 | [diff] [blame] | 993 | |
| 994 | void __init at32_map_usart(unsigned int hw_id, unsigned int line) |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 995 | { |
| 996 | struct platform_device *pdev; |
| 997 | |
Haavard Skinnemoen | c194588 | 2006-10-04 16:02:10 +0200 | [diff] [blame] | 998 | switch (hw_id) { |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 999 | case 0: |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 1000 | pdev = &atmel_usart0_device; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1001 | configure_usart0_pins(); |
| 1002 | break; |
| 1003 | case 1: |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 1004 | pdev = &atmel_usart1_device; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1005 | configure_usart1_pins(); |
| 1006 | break; |
| 1007 | case 2: |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 1008 | pdev = &atmel_usart2_device; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1009 | configure_usart2_pins(); |
| 1010 | break; |
| 1011 | case 3: |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 1012 | pdev = &atmel_usart3_device; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1013 | configure_usart3_pins(); |
| 1014 | break; |
| 1015 | default: |
Haavard Skinnemoen | c194588 | 2006-10-04 16:02:10 +0200 | [diff] [blame] | 1016 | return; |
Haavard Skinnemoen | 75d3521 | 2006-10-04 16:02:08 +0200 | [diff] [blame] | 1017 | } |
| 1018 | |
| 1019 | if (PXSEG(pdev->resource[0].start) == P4SEG) { |
| 1020 | /* Addresses in the P4 segment are permanently mapped 1:1 */ |
| 1021 | struct atmel_uart_data *data = pdev->dev.platform_data; |
| 1022 | data->regs = (void __iomem *)pdev->resource[0].start; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1023 | } |
| 1024 | |
Haavard Skinnemoen | c194588 | 2006-10-04 16:02:10 +0200 | [diff] [blame] | 1025 | pdev->id = line; |
| 1026 | at32_usarts[line] = pdev; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1027 | } |
| 1028 | |
| 1029 | struct platform_device *__init at32_add_device_usart(unsigned int id) |
| 1030 | { |
Haavard Skinnemoen | c194588 | 2006-10-04 16:02:10 +0200 | [diff] [blame] | 1031 | platform_device_register(at32_usarts[id]); |
| 1032 | return at32_usarts[id]; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1033 | } |
| 1034 | |
Haavard Skinnemoen | 73e2798 | 2006-10-04 16:02:04 +0200 | [diff] [blame] | 1035 | struct platform_device *atmel_default_console_device; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1036 | |
| 1037 | void __init at32_setup_serial_console(unsigned int usart_id) |
| 1038 | { |
Haavard Skinnemoen | c194588 | 2006-10-04 16:02:10 +0200 | [diff] [blame] | 1039 | atmel_default_console_device = at32_usarts[usart_id]; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1040 | } |
| 1041 | |
| 1042 | /* -------------------------------------------------------------------- |
| 1043 | * Ethernet |
| 1044 | * -------------------------------------------------------------------- */ |
| 1045 | |
Haavard Skinnemoen | 438ff3f | 2007-10-29 15:28:07 +0100 | [diff] [blame] | 1046 | #ifdef CONFIG_CPU_AT32AP7000 |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1047 | static struct eth_platform_data macb0_data; |
| 1048 | static struct resource macb0_resource[] = { |
| 1049 | PBMEM(0xfff01800), |
| 1050 | IRQ(25), |
| 1051 | }; |
| 1052 | DEFINE_DEV_DATA(macb, 0); |
| 1053 | DEV_CLK(hclk, macb0, hsb, 8); |
| 1054 | DEV_CLK(pclk, macb0, pbb, 6); |
| 1055 | |
Haavard Skinnemoen | cfcb3a8 | 2006-10-30 09:23:12 +0100 | [diff] [blame] | 1056 | static struct eth_platform_data macb1_data; |
| 1057 | static struct resource macb1_resource[] = { |
| 1058 | PBMEM(0xfff01c00), |
| 1059 | IRQ(26), |
| 1060 | }; |
| 1061 | DEFINE_DEV_DATA(macb, 1); |
| 1062 | DEV_CLK(hclk, macb1, hsb, 9); |
| 1063 | DEV_CLK(pclk, macb1, pbb, 7); |
| 1064 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1065 | struct platform_device *__init |
| 1066 | at32_add_device_eth(unsigned int id, struct eth_platform_data *data) |
| 1067 | { |
| 1068 | struct platform_device *pdev; |
| 1069 | |
| 1070 | switch (id) { |
| 1071 | case 0: |
| 1072 | pdev = &macb0_device; |
| 1073 | |
Haavard Skinnemoen | c3e2a79 | 2006-12-04 13:46:52 +0100 | [diff] [blame] | 1074 | select_peripheral(PC(3), PERIPH_A, 0); /* TXD0 */ |
| 1075 | select_peripheral(PC(4), PERIPH_A, 0); /* TXD1 */ |
| 1076 | select_peripheral(PC(7), PERIPH_A, 0); /* TXEN */ |
| 1077 | select_peripheral(PC(8), PERIPH_A, 0); /* TXCK */ |
| 1078 | select_peripheral(PC(9), PERIPH_A, 0); /* RXD0 */ |
| 1079 | select_peripheral(PC(10), PERIPH_A, 0); /* RXD1 */ |
| 1080 | select_peripheral(PC(13), PERIPH_A, 0); /* RXER */ |
| 1081 | select_peripheral(PC(15), PERIPH_A, 0); /* RXDV */ |
| 1082 | select_peripheral(PC(16), PERIPH_A, 0); /* MDC */ |
| 1083 | select_peripheral(PC(17), PERIPH_A, 0); /* MDIO */ |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1084 | |
| 1085 | if (!data->is_rmii) { |
Haavard Skinnemoen | c3e2a79 | 2006-12-04 13:46:52 +0100 | [diff] [blame] | 1086 | select_peripheral(PC(0), PERIPH_A, 0); /* COL */ |
| 1087 | select_peripheral(PC(1), PERIPH_A, 0); /* CRS */ |
| 1088 | select_peripheral(PC(2), PERIPH_A, 0); /* TXER */ |
| 1089 | select_peripheral(PC(5), PERIPH_A, 0); /* TXD2 */ |
| 1090 | select_peripheral(PC(6), PERIPH_A, 0); /* TXD3 */ |
| 1091 | select_peripheral(PC(11), PERIPH_A, 0); /* RXD2 */ |
| 1092 | select_peripheral(PC(12), PERIPH_A, 0); /* RXD3 */ |
| 1093 | select_peripheral(PC(14), PERIPH_A, 0); /* RXCK */ |
| 1094 | select_peripheral(PC(18), PERIPH_A, 0); /* SPD */ |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1095 | } |
| 1096 | break; |
| 1097 | |
Haavard Skinnemoen | cfcb3a8 | 2006-10-30 09:23:12 +0100 | [diff] [blame] | 1098 | case 1: |
| 1099 | pdev = &macb1_device; |
| 1100 | |
| 1101 | select_peripheral(PD(13), PERIPH_B, 0); /* TXD0 */ |
| 1102 | select_peripheral(PD(14), PERIPH_B, 0); /* TXD1 */ |
| 1103 | select_peripheral(PD(11), PERIPH_B, 0); /* TXEN */ |
| 1104 | select_peripheral(PD(12), PERIPH_B, 0); /* TXCK */ |
| 1105 | select_peripheral(PD(10), PERIPH_B, 0); /* RXD0 */ |
| 1106 | select_peripheral(PD(6), PERIPH_B, 0); /* RXD1 */ |
| 1107 | select_peripheral(PD(5), PERIPH_B, 0); /* RXER */ |
| 1108 | select_peripheral(PD(4), PERIPH_B, 0); /* RXDV */ |
| 1109 | select_peripheral(PD(3), PERIPH_B, 0); /* MDC */ |
| 1110 | select_peripheral(PD(2), PERIPH_B, 0); /* MDIO */ |
| 1111 | |
| 1112 | if (!data->is_rmii) { |
| 1113 | select_peripheral(PC(19), PERIPH_B, 0); /* COL */ |
| 1114 | select_peripheral(PC(23), PERIPH_B, 0); /* CRS */ |
| 1115 | select_peripheral(PC(26), PERIPH_B, 0); /* TXER */ |
| 1116 | select_peripheral(PC(27), PERIPH_B, 0); /* TXD2 */ |
| 1117 | select_peripheral(PC(28), PERIPH_B, 0); /* TXD3 */ |
| 1118 | select_peripheral(PC(29), PERIPH_B, 0); /* RXD2 */ |
| 1119 | select_peripheral(PC(30), PERIPH_B, 0); /* RXD3 */ |
| 1120 | select_peripheral(PC(24), PERIPH_B, 0); /* RXCK */ |
| 1121 | select_peripheral(PD(15), PERIPH_B, 0); /* SPD */ |
| 1122 | } |
| 1123 | break; |
| 1124 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1125 | default: |
| 1126 | return NULL; |
| 1127 | } |
| 1128 | |
| 1129 | memcpy(pdev->dev.platform_data, data, sizeof(struct eth_platform_data)); |
| 1130 | platform_device_register(pdev); |
| 1131 | |
| 1132 | return pdev; |
| 1133 | } |
Haavard Skinnemoen | 438ff3f | 2007-10-29 15:28:07 +0100 | [diff] [blame] | 1134 | #endif |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1135 | |
| 1136 | /* -------------------------------------------------------------------- |
| 1137 | * SPI |
| 1138 | * -------------------------------------------------------------------- */ |
Haavard Skinnemoen | 3d60ee1 | 2007-01-10 20:20:02 +0100 | [diff] [blame] | 1139 | static struct resource atmel_spi0_resource[] = { |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1140 | PBMEM(0xffe00000), |
| 1141 | IRQ(3), |
| 1142 | }; |
Haavard Skinnemoen | 3d60ee1 | 2007-01-10 20:20:02 +0100 | [diff] [blame] | 1143 | DEFINE_DEV(atmel_spi, 0); |
| 1144 | DEV_CLK(spi_clk, atmel_spi0, pba, 0); |
| 1145 | |
| 1146 | static struct resource atmel_spi1_resource[] = { |
| 1147 | PBMEM(0xffe00400), |
| 1148 | IRQ(4), |
| 1149 | }; |
| 1150 | DEFINE_DEV(atmel_spi, 1); |
| 1151 | DEV_CLK(spi_clk, atmel_spi1, pba, 1); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1152 | |
Haavard Skinnemoen | 9a596a6 | 2007-02-19 10:38:04 +0100 | [diff] [blame] | 1153 | static void __init |
Haavard Skinnemoen | 41d8ca4 | 2007-02-16 13:56:11 +0100 | [diff] [blame] | 1154 | at32_spi_setup_slaves(unsigned int bus_num, struct spi_board_info *b, |
| 1155 | unsigned int n, const u8 *pins) |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1156 | { |
Haavard Skinnemoen | 41d8ca4 | 2007-02-16 13:56:11 +0100 | [diff] [blame] | 1157 | unsigned int pin, mode; |
| 1158 | |
| 1159 | for (; n; n--, b++) { |
| 1160 | b->bus_num = bus_num; |
| 1161 | if (b->chip_select >= 4) |
| 1162 | continue; |
| 1163 | pin = (unsigned)b->controller_data; |
| 1164 | if (!pin) { |
| 1165 | pin = pins[b->chip_select]; |
| 1166 | b->controller_data = (void *)pin; |
| 1167 | } |
| 1168 | mode = AT32_GPIOF_OUTPUT; |
| 1169 | if (!(b->mode & SPI_CS_HIGH)) |
| 1170 | mode |= AT32_GPIOF_HIGH; |
| 1171 | at32_select_gpio(pin, mode); |
| 1172 | } |
| 1173 | } |
| 1174 | |
| 1175 | struct platform_device *__init |
| 1176 | at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n) |
| 1177 | { |
| 1178 | /* |
| 1179 | * Manage the chipselects as GPIOs, normally using the same pins |
| 1180 | * the SPI controller expects; but boards can use other pins. |
| 1181 | */ |
| 1182 | static u8 __initdata spi0_pins[] = |
| 1183 | { GPIO_PIN_PA(3), GPIO_PIN_PA(4), |
| 1184 | GPIO_PIN_PA(5), GPIO_PIN_PA(20), }; |
| 1185 | static u8 __initdata spi1_pins[] = |
| 1186 | { GPIO_PIN_PB(2), GPIO_PIN_PB(3), |
| 1187 | GPIO_PIN_PB(4), GPIO_PIN_PA(27), }; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1188 | struct platform_device *pdev; |
| 1189 | |
| 1190 | switch (id) { |
| 1191 | case 0: |
Haavard Skinnemoen | 3d60ee1 | 2007-01-10 20:20:02 +0100 | [diff] [blame] | 1192 | pdev = &atmel_spi0_device; |
David Brownell | 9c2baf7 | 2008-06-18 02:31:43 -0700 | [diff] [blame] | 1193 | /* pullup MISO so a level is always defined */ |
| 1194 | select_peripheral(PA(0), PERIPH_A, AT32_GPIOF_PULLUP); |
Haavard Skinnemoen | c3e2a79 | 2006-12-04 13:46:52 +0100 | [diff] [blame] | 1195 | select_peripheral(PA(1), PERIPH_A, 0); /* MOSI */ |
| 1196 | select_peripheral(PA(2), PERIPH_A, 0); /* SCK */ |
Haavard Skinnemoen | 41d8ca4 | 2007-02-16 13:56:11 +0100 | [diff] [blame] | 1197 | at32_spi_setup_slaves(0, b, n, spi0_pins); |
Haavard Skinnemoen | 3d60ee1 | 2007-01-10 20:20:02 +0100 | [diff] [blame] | 1198 | break; |
| 1199 | |
| 1200 | case 1: |
| 1201 | pdev = &atmel_spi1_device; |
David Brownell | 9c2baf7 | 2008-06-18 02:31:43 -0700 | [diff] [blame] | 1202 | /* pullup MISO so a level is always defined */ |
| 1203 | select_peripheral(PB(0), PERIPH_B, AT32_GPIOF_PULLUP); |
Haavard Skinnemoen | 3d60ee1 | 2007-01-10 20:20:02 +0100 | [diff] [blame] | 1204 | select_peripheral(PB(1), PERIPH_B, 0); /* MOSI */ |
| 1205 | select_peripheral(PB(5), PERIPH_B, 0); /* SCK */ |
Haavard Skinnemoen | 41d8ca4 | 2007-02-16 13:56:11 +0100 | [diff] [blame] | 1206 | at32_spi_setup_slaves(1, b, n, spi1_pins); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1207 | break; |
| 1208 | |
| 1209 | default: |
| 1210 | return NULL; |
| 1211 | } |
| 1212 | |
Haavard Skinnemoen | 41d8ca4 | 2007-02-16 13:56:11 +0100 | [diff] [blame] | 1213 | spi_register_board_info(b, n); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1214 | platform_device_register(pdev); |
| 1215 | return pdev; |
| 1216 | } |
| 1217 | |
| 1218 | /* -------------------------------------------------------------------- |
Haavard Skinnemoen | 2042c1c | 2007-10-22 17:42:35 +0200 | [diff] [blame] | 1219 | * TWI |
| 1220 | * -------------------------------------------------------------------- */ |
| 1221 | static struct resource atmel_twi0_resource[] __initdata = { |
| 1222 | PBMEM(0xffe00800), |
| 1223 | IRQ(5), |
| 1224 | }; |
| 1225 | static struct clk atmel_twi0_pclk = { |
| 1226 | .name = "twi_pclk", |
| 1227 | .parent = &pba_clk, |
| 1228 | .mode = pba_clk_mode, |
| 1229 | .get_rate = pba_clk_get_rate, |
| 1230 | .index = 2, |
| 1231 | }; |
| 1232 | |
Ben Nizette | 040b28f | 2008-02-07 15:28:57 +1100 | [diff] [blame] | 1233 | struct platform_device *__init at32_add_device_twi(unsigned int id, |
| 1234 | struct i2c_board_info *b, |
| 1235 | unsigned int n) |
Haavard Skinnemoen | 2042c1c | 2007-10-22 17:42:35 +0200 | [diff] [blame] | 1236 | { |
| 1237 | struct platform_device *pdev; |
| 1238 | |
| 1239 | if (id != 0) |
| 1240 | return NULL; |
| 1241 | |
| 1242 | pdev = platform_device_alloc("atmel_twi", id); |
| 1243 | if (!pdev) |
| 1244 | return NULL; |
| 1245 | |
| 1246 | if (platform_device_add_resources(pdev, atmel_twi0_resource, |
| 1247 | ARRAY_SIZE(atmel_twi0_resource))) |
| 1248 | goto err_add_resources; |
| 1249 | |
| 1250 | select_peripheral(PA(6), PERIPH_A, 0); /* SDA */ |
| 1251 | select_peripheral(PA(7), PERIPH_A, 0); /* SDL */ |
| 1252 | |
| 1253 | atmel_twi0_pclk.dev = &pdev->dev; |
| 1254 | |
Ben Nizette | 040b28f | 2008-02-07 15:28:57 +1100 | [diff] [blame] | 1255 | if (b) |
| 1256 | i2c_register_board_info(id, b, n); |
| 1257 | |
Haavard Skinnemoen | 2042c1c | 2007-10-22 17:42:35 +0200 | [diff] [blame] | 1258 | platform_device_add(pdev); |
| 1259 | return pdev; |
| 1260 | |
| 1261 | err_add_resources: |
| 1262 | platform_device_put(pdev); |
| 1263 | return NULL; |
| 1264 | } |
| 1265 | |
| 1266 | /* -------------------------------------------------------------------- |
| 1267 | * MMC |
| 1268 | * -------------------------------------------------------------------- */ |
| 1269 | static struct resource atmel_mci0_resource[] __initdata = { |
| 1270 | PBMEM(0xfff02400), |
| 1271 | IRQ(28), |
| 1272 | }; |
| 1273 | static struct clk atmel_mci0_pclk = { |
| 1274 | .name = "mci_clk", |
| 1275 | .parent = &pbb_clk, |
| 1276 | .mode = pbb_clk_mode, |
| 1277 | .get_rate = pbb_clk_get_rate, |
| 1278 | .index = 9, |
| 1279 | }; |
| 1280 | |
| 1281 | struct platform_device *__init at32_add_device_mci(unsigned int id) |
| 1282 | { |
| 1283 | struct platform_device *pdev; |
| 1284 | |
| 1285 | if (id != 0) |
| 1286 | return NULL; |
| 1287 | |
| 1288 | pdev = platform_device_alloc("atmel_mci", id); |
| 1289 | if (!pdev) |
| 1290 | return NULL; |
| 1291 | |
| 1292 | if (platform_device_add_resources(pdev, atmel_mci0_resource, |
| 1293 | ARRAY_SIZE(atmel_mci0_resource))) |
| 1294 | goto err_add_resources; |
| 1295 | |
| 1296 | select_peripheral(PA(10), PERIPH_A, 0); /* CLK */ |
| 1297 | select_peripheral(PA(11), PERIPH_A, 0); /* CMD */ |
| 1298 | select_peripheral(PA(12), PERIPH_A, 0); /* DATA0 */ |
| 1299 | select_peripheral(PA(13), PERIPH_A, 0); /* DATA1 */ |
| 1300 | select_peripheral(PA(14), PERIPH_A, 0); /* DATA2 */ |
| 1301 | select_peripheral(PA(15), PERIPH_A, 0); /* DATA3 */ |
| 1302 | |
| 1303 | atmel_mci0_pclk.dev = &pdev->dev; |
| 1304 | |
| 1305 | platform_device_add(pdev); |
| 1306 | return pdev; |
| 1307 | |
| 1308 | err_add_resources: |
| 1309 | platform_device_put(pdev); |
| 1310 | return NULL; |
| 1311 | } |
| 1312 | |
| 1313 | /* -------------------------------------------------------------------- |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1314 | * LCDC |
| 1315 | * -------------------------------------------------------------------- */ |
Haavard Skinnemoen | 438ff3f | 2007-10-29 15:28:07 +0100 | [diff] [blame] | 1316 | #if defined(CONFIG_CPU_AT32AP7000) || defined(CONFIG_CPU_AT32AP7002) |
Haavard Skinnemoen | d0a2b7a | 2007-03-21 18:08:49 +0100 | [diff] [blame] | 1317 | static struct atmel_lcdfb_info atmel_lcdfb0_data; |
| 1318 | static struct resource atmel_lcdfb0_resource[] = { |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1319 | { |
| 1320 | .start = 0xff000000, |
| 1321 | .end = 0xff000fff, |
| 1322 | .flags = IORESOURCE_MEM, |
| 1323 | }, |
| 1324 | IRQ(1), |
Haavard Skinnemoen | d0a2b7a | 2007-03-21 18:08:49 +0100 | [diff] [blame] | 1325 | { |
| 1326 | /* Placeholder for pre-allocated fb memory */ |
| 1327 | .start = 0x00000000, |
| 1328 | .end = 0x00000000, |
| 1329 | .flags = 0, |
| 1330 | }, |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1331 | }; |
Haavard Skinnemoen | d0a2b7a | 2007-03-21 18:08:49 +0100 | [diff] [blame] | 1332 | DEFINE_DEV_DATA(atmel_lcdfb, 0); |
| 1333 | DEV_CLK(hck1, atmel_lcdfb0, hsb, 7); |
| 1334 | static struct clk atmel_lcdfb0_pixclk = { |
| 1335 | .name = "lcdc_clk", |
| 1336 | .dev = &atmel_lcdfb0_device.dev, |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1337 | .mode = genclk_mode, |
| 1338 | .get_rate = genclk_get_rate, |
| 1339 | .set_rate = genclk_set_rate, |
| 1340 | .set_parent = genclk_set_parent, |
| 1341 | .index = 7, |
| 1342 | }; |
| 1343 | |
| 1344 | struct platform_device *__init |
Haavard Skinnemoen | d0a2b7a | 2007-03-21 18:08:49 +0100 | [diff] [blame] | 1345 | at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data, |
Hans-Christian Egtvedt | 47882cf | 2008-02-05 15:27:16 +0100 | [diff] [blame] | 1346 | unsigned long fbmem_start, unsigned long fbmem_len, |
| 1347 | unsigned int pin_config) |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1348 | { |
| 1349 | struct platform_device *pdev; |
Haavard Skinnemoen | d0a2b7a | 2007-03-21 18:08:49 +0100 | [diff] [blame] | 1350 | struct atmel_lcdfb_info *info; |
| 1351 | struct fb_monspecs *monspecs; |
| 1352 | struct fb_videomode *modedb; |
| 1353 | unsigned int modedb_size; |
| 1354 | |
| 1355 | /* |
| 1356 | * Do a deep copy of the fb data, monspecs and modedb. Make |
| 1357 | * sure all allocations are done before setting up the |
| 1358 | * portmux. |
| 1359 | */ |
| 1360 | monspecs = kmemdup(data->default_monspecs, |
| 1361 | sizeof(struct fb_monspecs), GFP_KERNEL); |
| 1362 | if (!monspecs) |
| 1363 | return NULL; |
| 1364 | |
| 1365 | modedb_size = sizeof(struct fb_videomode) * monspecs->modedb_len; |
| 1366 | modedb = kmemdup(monspecs->modedb, modedb_size, GFP_KERNEL); |
| 1367 | if (!modedb) |
| 1368 | goto err_dup_modedb; |
| 1369 | monspecs->modedb = modedb; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1370 | |
| 1371 | switch (id) { |
| 1372 | case 0: |
Haavard Skinnemoen | d0a2b7a | 2007-03-21 18:08:49 +0100 | [diff] [blame] | 1373 | pdev = &atmel_lcdfb0_device; |
Hans-Christian Egtvedt | 47882cf | 2008-02-05 15:27:16 +0100 | [diff] [blame] | 1374 | |
| 1375 | switch (pin_config) { |
| 1376 | case 0: |
| 1377 | select_peripheral(PC(19), PERIPH_A, 0); /* CC */ |
| 1378 | select_peripheral(PC(20), PERIPH_A, 0); /* HSYNC */ |
| 1379 | select_peripheral(PC(21), PERIPH_A, 0); /* PCLK */ |
| 1380 | select_peripheral(PC(22), PERIPH_A, 0); /* VSYNC */ |
| 1381 | select_peripheral(PC(23), PERIPH_A, 0); /* DVAL */ |
| 1382 | select_peripheral(PC(24), PERIPH_A, 0); /* MODE */ |
| 1383 | select_peripheral(PC(25), PERIPH_A, 0); /* PWR */ |
| 1384 | select_peripheral(PC(26), PERIPH_A, 0); /* DATA0 */ |
| 1385 | select_peripheral(PC(27), PERIPH_A, 0); /* DATA1 */ |
| 1386 | select_peripheral(PC(28), PERIPH_A, 0); /* DATA2 */ |
| 1387 | select_peripheral(PC(29), PERIPH_A, 0); /* DATA3 */ |
| 1388 | select_peripheral(PC(30), PERIPH_A, 0); /* DATA4 */ |
| 1389 | select_peripheral(PC(31), PERIPH_A, 0); /* DATA5 */ |
| 1390 | select_peripheral(PD(0), PERIPH_A, 0); /* DATA6 */ |
| 1391 | select_peripheral(PD(1), PERIPH_A, 0); /* DATA7 */ |
| 1392 | select_peripheral(PD(2), PERIPH_A, 0); /* DATA8 */ |
| 1393 | select_peripheral(PD(3), PERIPH_A, 0); /* DATA9 */ |
| 1394 | select_peripheral(PD(4), PERIPH_A, 0); /* DATA10 */ |
| 1395 | select_peripheral(PD(5), PERIPH_A, 0); /* DATA11 */ |
| 1396 | select_peripheral(PD(6), PERIPH_A, 0); /* DATA12 */ |
| 1397 | select_peripheral(PD(7), PERIPH_A, 0); /* DATA13 */ |
| 1398 | select_peripheral(PD(8), PERIPH_A, 0); /* DATA14 */ |
| 1399 | select_peripheral(PD(9), PERIPH_A, 0); /* DATA15 */ |
| 1400 | select_peripheral(PD(10), PERIPH_A, 0); /* DATA16 */ |
| 1401 | select_peripheral(PD(11), PERIPH_A, 0); /* DATA17 */ |
| 1402 | select_peripheral(PD(12), PERIPH_A, 0); /* DATA18 */ |
| 1403 | select_peripheral(PD(13), PERIPH_A, 0); /* DATA19 */ |
| 1404 | select_peripheral(PD(14), PERIPH_A, 0); /* DATA20 */ |
| 1405 | select_peripheral(PD(15), PERIPH_A, 0); /* DATA21 */ |
| 1406 | select_peripheral(PD(16), PERIPH_A, 0); /* DATA22 */ |
| 1407 | select_peripheral(PD(17), PERIPH_A, 0); /* DATA23 */ |
| 1408 | break; |
| 1409 | case 1: |
| 1410 | select_peripheral(PE(0), PERIPH_B, 0); /* CC */ |
| 1411 | select_peripheral(PC(20), PERIPH_A, 0); /* HSYNC */ |
| 1412 | select_peripheral(PC(21), PERIPH_A, 0); /* PCLK */ |
| 1413 | select_peripheral(PC(22), PERIPH_A, 0); /* VSYNC */ |
| 1414 | select_peripheral(PE(1), PERIPH_B, 0); /* DVAL */ |
| 1415 | select_peripheral(PE(2), PERIPH_B, 0); /* MODE */ |
| 1416 | select_peripheral(PC(25), PERIPH_A, 0); /* PWR */ |
| 1417 | select_peripheral(PE(3), PERIPH_B, 0); /* DATA0 */ |
| 1418 | select_peripheral(PE(4), PERIPH_B, 0); /* DATA1 */ |
| 1419 | select_peripheral(PE(5), PERIPH_B, 0); /* DATA2 */ |
| 1420 | select_peripheral(PE(6), PERIPH_B, 0); /* DATA3 */ |
| 1421 | select_peripheral(PE(7), PERIPH_B, 0); /* DATA4 */ |
| 1422 | select_peripheral(PC(31), PERIPH_A, 0); /* DATA5 */ |
| 1423 | select_peripheral(PD(0), PERIPH_A, 0); /* DATA6 */ |
| 1424 | select_peripheral(PD(1), PERIPH_A, 0); /* DATA7 */ |
| 1425 | select_peripheral(PE(8), PERIPH_B, 0); /* DATA8 */ |
| 1426 | select_peripheral(PE(9), PERIPH_B, 0); /* DATA9 */ |
| 1427 | select_peripheral(PE(10), PERIPH_B, 0); /* DATA10 */ |
| 1428 | select_peripheral(PE(11), PERIPH_B, 0); /* DATA11 */ |
| 1429 | select_peripheral(PE(12), PERIPH_B, 0); /* DATA12 */ |
| 1430 | select_peripheral(PD(7), PERIPH_A, 0); /* DATA13 */ |
| 1431 | select_peripheral(PD(8), PERIPH_A, 0); /* DATA14 */ |
| 1432 | select_peripheral(PD(9), PERIPH_A, 0); /* DATA15 */ |
| 1433 | select_peripheral(PE(13), PERIPH_B, 0); /* DATA16 */ |
| 1434 | select_peripheral(PE(14), PERIPH_B, 0); /* DATA17 */ |
| 1435 | select_peripheral(PE(15), PERIPH_B, 0); /* DATA18 */ |
| 1436 | select_peripheral(PE(16), PERIPH_B, 0); /* DATA19 */ |
| 1437 | select_peripheral(PE(17), PERIPH_B, 0); /* DATA20 */ |
| 1438 | select_peripheral(PE(18), PERIPH_B, 0); /* DATA21 */ |
| 1439 | select_peripheral(PD(16), PERIPH_A, 0); /* DATA22 */ |
| 1440 | select_peripheral(PD(17), PERIPH_A, 0); /* DATA23 */ |
| 1441 | break; |
| 1442 | default: |
| 1443 | goto err_invalid_id; |
| 1444 | } |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1445 | |
Haavard Skinnemoen | d0a2b7a | 2007-03-21 18:08:49 +0100 | [diff] [blame] | 1446 | clk_set_parent(&atmel_lcdfb0_pixclk, &pll0); |
| 1447 | clk_set_rate(&atmel_lcdfb0_pixclk, clk_get_rate(&pll0)); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1448 | break; |
| 1449 | |
| 1450 | default: |
Haavard Skinnemoen | d0a2b7a | 2007-03-21 18:08:49 +0100 | [diff] [blame] | 1451 | goto err_invalid_id; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1452 | } |
| 1453 | |
Haavard Skinnemoen | d0a2b7a | 2007-03-21 18:08:49 +0100 | [diff] [blame] | 1454 | if (fbmem_len) { |
| 1455 | pdev->resource[2].start = fbmem_start; |
| 1456 | pdev->resource[2].end = fbmem_start + fbmem_len - 1; |
| 1457 | pdev->resource[2].flags = IORESOURCE_MEM; |
| 1458 | } |
| 1459 | |
| 1460 | info = pdev->dev.platform_data; |
| 1461 | memcpy(info, data, sizeof(struct atmel_lcdfb_info)); |
| 1462 | info->default_monspecs = monspecs; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1463 | |
| 1464 | platform_device_register(pdev); |
| 1465 | return pdev; |
Haavard Skinnemoen | d0a2b7a | 2007-03-21 18:08:49 +0100 | [diff] [blame] | 1466 | |
| 1467 | err_invalid_id: |
| 1468 | kfree(modedb); |
| 1469 | err_dup_modedb: |
| 1470 | kfree(monspecs); |
| 1471 | return NULL; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1472 | } |
Haavard Skinnemoen | 438ff3f | 2007-10-29 15:28:07 +0100 | [diff] [blame] | 1473 | #endif |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1474 | |
Haavard Skinnemoen | 7a5fe23 | 2007-02-16 13:14:33 +0100 | [diff] [blame] | 1475 | /* -------------------------------------------------------------------- |
David Brownell | 9a1e8eb | 2008-02-08 04:21:21 -0800 | [diff] [blame] | 1476 | * PWM |
| 1477 | * -------------------------------------------------------------------- */ |
| 1478 | static struct resource atmel_pwm0_resource[] __initdata = { |
| 1479 | PBMEM(0xfff01400), |
| 1480 | IRQ(24), |
| 1481 | }; |
| 1482 | static struct clk atmel_pwm0_mck = { |
Sedji Gaouaou | 8405996 | 2008-06-25 10:32:50 +0200 | [diff] [blame] | 1483 | .name = "pwm_clk", |
David Brownell | 9a1e8eb | 2008-02-08 04:21:21 -0800 | [diff] [blame] | 1484 | .parent = &pbb_clk, |
| 1485 | .mode = pbb_clk_mode, |
| 1486 | .get_rate = pbb_clk_get_rate, |
| 1487 | .index = 5, |
| 1488 | }; |
| 1489 | |
| 1490 | struct platform_device *__init at32_add_device_pwm(u32 mask) |
| 1491 | { |
| 1492 | struct platform_device *pdev; |
| 1493 | |
| 1494 | if (!mask) |
| 1495 | return NULL; |
| 1496 | |
| 1497 | pdev = platform_device_alloc("atmel_pwm", 0); |
| 1498 | if (!pdev) |
| 1499 | return NULL; |
| 1500 | |
| 1501 | if (platform_device_add_resources(pdev, atmel_pwm0_resource, |
| 1502 | ARRAY_SIZE(atmel_pwm0_resource))) |
| 1503 | goto out_free_pdev; |
| 1504 | |
| 1505 | if (platform_device_add_data(pdev, &mask, sizeof(mask))) |
| 1506 | goto out_free_pdev; |
| 1507 | |
| 1508 | if (mask & (1 << 0)) |
| 1509 | select_peripheral(PA(28), PERIPH_A, 0); |
| 1510 | if (mask & (1 << 1)) |
| 1511 | select_peripheral(PA(29), PERIPH_A, 0); |
| 1512 | if (mask & (1 << 2)) |
| 1513 | select_peripheral(PA(21), PERIPH_B, 0); |
| 1514 | if (mask & (1 << 3)) |
| 1515 | select_peripheral(PA(22), PERIPH_B, 0); |
| 1516 | |
| 1517 | atmel_pwm0_mck.dev = &pdev->dev; |
| 1518 | |
| 1519 | platform_device_add(pdev); |
| 1520 | |
| 1521 | return pdev; |
| 1522 | |
| 1523 | out_free_pdev: |
| 1524 | platform_device_put(pdev); |
| 1525 | return NULL; |
| 1526 | } |
| 1527 | |
| 1528 | /* -------------------------------------------------------------------- |
Hans-Christian Egtvedt | 9cf6cf5 | 2007-07-06 14:31:55 +0200 | [diff] [blame] | 1529 | * SSC |
| 1530 | * -------------------------------------------------------------------- */ |
| 1531 | static struct resource ssc0_resource[] = { |
| 1532 | PBMEM(0xffe01c00), |
| 1533 | IRQ(10), |
| 1534 | }; |
| 1535 | DEFINE_DEV(ssc, 0); |
| 1536 | DEV_CLK(pclk, ssc0, pba, 7); |
| 1537 | |
| 1538 | static struct resource ssc1_resource[] = { |
| 1539 | PBMEM(0xffe02000), |
| 1540 | IRQ(11), |
| 1541 | }; |
| 1542 | DEFINE_DEV(ssc, 1); |
| 1543 | DEV_CLK(pclk, ssc1, pba, 8); |
| 1544 | |
| 1545 | static struct resource ssc2_resource[] = { |
| 1546 | PBMEM(0xffe02400), |
| 1547 | IRQ(12), |
| 1548 | }; |
| 1549 | DEFINE_DEV(ssc, 2); |
| 1550 | DEV_CLK(pclk, ssc2, pba, 9); |
| 1551 | |
| 1552 | struct platform_device *__init |
| 1553 | at32_add_device_ssc(unsigned int id, unsigned int flags) |
| 1554 | { |
| 1555 | struct platform_device *pdev; |
| 1556 | |
| 1557 | switch (id) { |
| 1558 | case 0: |
| 1559 | pdev = &ssc0_device; |
| 1560 | if (flags & ATMEL_SSC_RF) |
| 1561 | select_peripheral(PA(21), PERIPH_A, 0); /* RF */ |
| 1562 | if (flags & ATMEL_SSC_RK) |
| 1563 | select_peripheral(PA(22), PERIPH_A, 0); /* RK */ |
| 1564 | if (flags & ATMEL_SSC_TK) |
| 1565 | select_peripheral(PA(23), PERIPH_A, 0); /* TK */ |
| 1566 | if (flags & ATMEL_SSC_TF) |
| 1567 | select_peripheral(PA(24), PERIPH_A, 0); /* TF */ |
| 1568 | if (flags & ATMEL_SSC_TD) |
| 1569 | select_peripheral(PA(25), PERIPH_A, 0); /* TD */ |
| 1570 | if (flags & ATMEL_SSC_RD) |
| 1571 | select_peripheral(PA(26), PERIPH_A, 0); /* RD */ |
| 1572 | break; |
| 1573 | case 1: |
| 1574 | pdev = &ssc1_device; |
| 1575 | if (flags & ATMEL_SSC_RF) |
| 1576 | select_peripheral(PA(0), PERIPH_B, 0); /* RF */ |
| 1577 | if (flags & ATMEL_SSC_RK) |
| 1578 | select_peripheral(PA(1), PERIPH_B, 0); /* RK */ |
| 1579 | if (flags & ATMEL_SSC_TK) |
| 1580 | select_peripheral(PA(2), PERIPH_B, 0); /* TK */ |
| 1581 | if (flags & ATMEL_SSC_TF) |
| 1582 | select_peripheral(PA(3), PERIPH_B, 0); /* TF */ |
| 1583 | if (flags & ATMEL_SSC_TD) |
| 1584 | select_peripheral(PA(4), PERIPH_B, 0); /* TD */ |
| 1585 | if (flags & ATMEL_SSC_RD) |
| 1586 | select_peripheral(PA(5), PERIPH_B, 0); /* RD */ |
| 1587 | break; |
| 1588 | case 2: |
| 1589 | pdev = &ssc2_device; |
| 1590 | if (flags & ATMEL_SSC_TD) |
| 1591 | select_peripheral(PB(13), PERIPH_A, 0); /* TD */ |
| 1592 | if (flags & ATMEL_SSC_RD) |
| 1593 | select_peripheral(PB(14), PERIPH_A, 0); /* RD */ |
| 1594 | if (flags & ATMEL_SSC_TK) |
| 1595 | select_peripheral(PB(15), PERIPH_A, 0); /* TK */ |
| 1596 | if (flags & ATMEL_SSC_TF) |
| 1597 | select_peripheral(PB(16), PERIPH_A, 0); /* TF */ |
| 1598 | if (flags & ATMEL_SSC_RF) |
| 1599 | select_peripheral(PB(17), PERIPH_A, 0); /* RF */ |
| 1600 | if (flags & ATMEL_SSC_RK) |
| 1601 | select_peripheral(PB(18), PERIPH_A, 0); /* RK */ |
| 1602 | break; |
| 1603 | default: |
| 1604 | return NULL; |
| 1605 | } |
| 1606 | |
| 1607 | platform_device_register(pdev); |
| 1608 | return pdev; |
| 1609 | } |
| 1610 | |
| 1611 | /* -------------------------------------------------------------------- |
Haavard Skinnemoen | 6fcf061 | 2007-06-14 17:37:31 +0200 | [diff] [blame] | 1612 | * USB Device Controller |
| 1613 | * -------------------------------------------------------------------- */ |
| 1614 | static struct resource usba0_resource[] __initdata = { |
| 1615 | { |
| 1616 | .start = 0xff300000, |
| 1617 | .end = 0xff3fffff, |
| 1618 | .flags = IORESOURCE_MEM, |
| 1619 | }, { |
| 1620 | .start = 0xfff03000, |
| 1621 | .end = 0xfff033ff, |
| 1622 | .flags = IORESOURCE_MEM, |
| 1623 | }, |
| 1624 | IRQ(31), |
| 1625 | }; |
| 1626 | static struct clk usba0_pclk = { |
| 1627 | .name = "pclk", |
| 1628 | .parent = &pbb_clk, |
| 1629 | .mode = pbb_clk_mode, |
| 1630 | .get_rate = pbb_clk_get_rate, |
| 1631 | .index = 12, |
| 1632 | }; |
| 1633 | static struct clk usba0_hclk = { |
| 1634 | .name = "hclk", |
| 1635 | .parent = &hsb_clk, |
| 1636 | .mode = hsb_clk_mode, |
| 1637 | .get_rate = hsb_clk_get_rate, |
| 1638 | .index = 6, |
| 1639 | }; |
| 1640 | |
Stelian Pop | 8d85531 | 2008-03-05 00:00:00 +0100 | [diff] [blame] | 1641 | #define EP(nam, idx, maxpkt, maxbk, dma, isoc) \ |
| 1642 | [idx] = { \ |
| 1643 | .name = nam, \ |
| 1644 | .index = idx, \ |
| 1645 | .fifo_size = maxpkt, \ |
| 1646 | .nr_banks = maxbk, \ |
| 1647 | .can_dma = dma, \ |
| 1648 | .can_isoc = isoc, \ |
| 1649 | } |
| 1650 | |
| 1651 | static struct usba_ep_data at32_usba_ep[] __initdata = { |
| 1652 | EP("ep0", 0, 64, 1, 0, 0), |
| 1653 | EP("ep1", 1, 512, 2, 1, 1), |
| 1654 | EP("ep2", 2, 512, 2, 1, 1), |
| 1655 | EP("ep3-int", 3, 64, 3, 1, 0), |
| 1656 | EP("ep4-int", 4, 64, 3, 1, 0), |
| 1657 | EP("ep5", 5, 1024, 3, 1, 1), |
| 1658 | EP("ep6", 6, 1024, 3, 1, 1), |
| 1659 | }; |
| 1660 | |
| 1661 | #undef EP |
| 1662 | |
Haavard Skinnemoen | 6fcf061 | 2007-06-14 17:37:31 +0200 | [diff] [blame] | 1663 | struct platform_device *__init |
| 1664 | at32_add_device_usba(unsigned int id, struct usba_platform_data *data) |
| 1665 | { |
Stelian Pop | 8d85531 | 2008-03-05 00:00:00 +0100 | [diff] [blame] | 1666 | /* |
| 1667 | * pdata doesn't have room for any endpoints, so we need to |
| 1668 | * append room for the ones we need right after it. |
| 1669 | */ |
| 1670 | struct { |
| 1671 | struct usba_platform_data pdata; |
| 1672 | struct usba_ep_data ep[7]; |
| 1673 | } usba_data; |
Haavard Skinnemoen | 6fcf061 | 2007-06-14 17:37:31 +0200 | [diff] [blame] | 1674 | struct platform_device *pdev; |
| 1675 | |
| 1676 | if (id != 0) |
| 1677 | return NULL; |
| 1678 | |
| 1679 | pdev = platform_device_alloc("atmel_usba_udc", 0); |
| 1680 | if (!pdev) |
| 1681 | return NULL; |
| 1682 | |
| 1683 | if (platform_device_add_resources(pdev, usba0_resource, |
| 1684 | ARRAY_SIZE(usba0_resource))) |
| 1685 | goto out_free_pdev; |
| 1686 | |
Stelian Pop | 8d85531 | 2008-03-05 00:00:00 +0100 | [diff] [blame] | 1687 | if (data) |
| 1688 | usba_data.pdata.vbus_pin = data->vbus_pin; |
| 1689 | else |
| 1690 | usba_data.pdata.vbus_pin = -EINVAL; |
Haavard Skinnemoen | 6fcf061 | 2007-06-14 17:37:31 +0200 | [diff] [blame] | 1691 | |
Stelian Pop | 8d85531 | 2008-03-05 00:00:00 +0100 | [diff] [blame] | 1692 | data = &usba_data.pdata; |
| 1693 | data->num_ep = ARRAY_SIZE(at32_usba_ep); |
| 1694 | memcpy(data->ep, at32_usba_ep, sizeof(at32_usba_ep)); |
| 1695 | |
| 1696 | if (platform_device_add_data(pdev, data, sizeof(usba_data))) |
| 1697 | goto out_free_pdev; |
| 1698 | |
| 1699 | if (data->vbus_pin >= 0) |
| 1700 | at32_select_gpio(data->vbus_pin, 0); |
Haavard Skinnemoen | 6fcf061 | 2007-06-14 17:37:31 +0200 | [diff] [blame] | 1701 | |
| 1702 | usba0_pclk.dev = &pdev->dev; |
| 1703 | usba0_hclk.dev = &pdev->dev; |
| 1704 | |
| 1705 | platform_device_add(pdev); |
| 1706 | |
| 1707 | return pdev; |
| 1708 | |
| 1709 | out_free_pdev: |
| 1710 | platform_device_put(pdev); |
| 1711 | return NULL; |
| 1712 | } |
| 1713 | |
| 1714 | /* -------------------------------------------------------------------- |
Haavard Skinnemoen | eaf5f92 | 2007-10-22 18:32:14 +0200 | [diff] [blame] | 1715 | * IDE / CompactFlash |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1716 | * -------------------------------------------------------------------- */ |
Haavard Skinnemoen | 438ff3f | 2007-10-29 15:28:07 +0100 | [diff] [blame] | 1717 | #if defined(CONFIG_CPU_AT32AP7000) || defined(CONFIG_CPU_AT32AP7001) |
Haavard Skinnemoen | eaf5f92 | 2007-10-22 18:32:14 +0200 | [diff] [blame] | 1718 | static struct resource at32_smc_cs4_resource[] __initdata = { |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1719 | { |
| 1720 | .start = 0x04000000, |
| 1721 | .end = 0x07ffffff, |
| 1722 | .flags = IORESOURCE_MEM, |
| 1723 | }, |
| 1724 | IRQ(~0UL), /* Magic IRQ will be overridden */ |
| 1725 | }; |
Haavard Skinnemoen | eaf5f92 | 2007-10-22 18:32:14 +0200 | [diff] [blame] | 1726 | static struct resource at32_smc_cs5_resource[] __initdata = { |
| 1727 | { |
| 1728 | .start = 0x20000000, |
| 1729 | .end = 0x23ffffff, |
| 1730 | .flags = IORESOURCE_MEM, |
| 1731 | }, |
| 1732 | IRQ(~0UL), /* Magic IRQ will be overridden */ |
| 1733 | }; |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1734 | |
Haavard Skinnemoen | eaf5f92 | 2007-10-22 18:32:14 +0200 | [diff] [blame] | 1735 | static int __init at32_init_ide_or_cf(struct platform_device *pdev, |
| 1736 | unsigned int cs, unsigned int extint) |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1737 | { |
Haavard Skinnemoen | eaf5f92 | 2007-10-22 18:32:14 +0200 | [diff] [blame] | 1738 | static unsigned int extint_pin_map[4] __initdata = { |
| 1739 | GPIO_PIN_PB(25), |
| 1740 | GPIO_PIN_PB(26), |
| 1741 | GPIO_PIN_PB(27), |
| 1742 | GPIO_PIN_PB(28), |
| 1743 | }; |
| 1744 | static bool common_pins_initialized __initdata = false; |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1745 | unsigned int extint_pin; |
Haavard Skinnemoen | eaf5f92 | 2007-10-22 18:32:14 +0200 | [diff] [blame] | 1746 | int ret; |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1747 | |
Haavard Skinnemoen | eaf5f92 | 2007-10-22 18:32:14 +0200 | [diff] [blame] | 1748 | if (extint >= ARRAY_SIZE(extint_pin_map)) |
| 1749 | return -EINVAL; |
| 1750 | extint_pin = extint_pin_map[extint]; |
| 1751 | |
| 1752 | switch (cs) { |
| 1753 | case 4: |
| 1754 | ret = platform_device_add_resources(pdev, |
| 1755 | at32_smc_cs4_resource, |
| 1756 | ARRAY_SIZE(at32_smc_cs4_resource)); |
| 1757 | if (ret) |
| 1758 | return ret; |
| 1759 | |
| 1760 | select_peripheral(PE(21), PERIPH_A, 0); /* NCS4 -> OE_N */ |
| 1761 | set_ebi_sfr_bits(HMATRIX_BIT(CS4A)); |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1762 | break; |
Haavard Skinnemoen | eaf5f92 | 2007-10-22 18:32:14 +0200 | [diff] [blame] | 1763 | case 5: |
| 1764 | ret = platform_device_add_resources(pdev, |
| 1765 | at32_smc_cs5_resource, |
| 1766 | ARRAY_SIZE(at32_smc_cs5_resource)); |
| 1767 | if (ret) |
| 1768 | return ret; |
| 1769 | |
| 1770 | select_peripheral(PE(22), PERIPH_A, 0); /* NCS5 -> OE_N */ |
| 1771 | set_ebi_sfr_bits(HMATRIX_BIT(CS5A)); |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1772 | break; |
| 1773 | default: |
Haavard Skinnemoen | eaf5f92 | 2007-10-22 18:32:14 +0200 | [diff] [blame] | 1774 | return -EINVAL; |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1775 | } |
| 1776 | |
Haavard Skinnemoen | eaf5f92 | 2007-10-22 18:32:14 +0200 | [diff] [blame] | 1777 | if (!common_pins_initialized) { |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1778 | select_peripheral(PE(19), PERIPH_A, 0); /* CFCE1 -> CS0_N */ |
| 1779 | select_peripheral(PE(20), PERIPH_A, 0); /* CFCE2 -> CS1_N */ |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1780 | select_peripheral(PE(23), PERIPH_A, 0); /* CFRNW -> DIR */ |
| 1781 | select_peripheral(PE(24), PERIPH_A, 0); /* NWAIT <- IORDY */ |
Haavard Skinnemoen | eaf5f92 | 2007-10-22 18:32:14 +0200 | [diff] [blame] | 1782 | common_pins_initialized = true; |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1783 | } |
| 1784 | |
| 1785 | at32_select_periph(extint_pin, GPIO_PERIPH_A, AT32_GPIOF_DEGLITCH); |
| 1786 | |
| 1787 | pdev->resource[1].start = EIM_IRQ_BASE + extint; |
| 1788 | pdev->resource[1].end = pdev->resource[1].start; |
| 1789 | |
Haavard Skinnemoen | eaf5f92 | 2007-10-22 18:32:14 +0200 | [diff] [blame] | 1790 | return 0; |
| 1791 | } |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1792 | |
Haavard Skinnemoen | eaf5f92 | 2007-10-22 18:32:14 +0200 | [diff] [blame] | 1793 | struct platform_device *__init |
| 1794 | at32_add_device_ide(unsigned int id, unsigned int extint, |
| 1795 | struct ide_platform_data *data) |
| 1796 | { |
| 1797 | struct platform_device *pdev; |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1798 | |
Haavard Skinnemoen | eaf5f92 | 2007-10-22 18:32:14 +0200 | [diff] [blame] | 1799 | pdev = platform_device_alloc("at32_ide", id); |
| 1800 | if (!pdev) |
| 1801 | goto fail; |
| 1802 | |
| 1803 | if (platform_device_add_data(pdev, data, |
| 1804 | sizeof(struct ide_platform_data))) |
| 1805 | goto fail; |
| 1806 | |
| 1807 | if (at32_init_ide_or_cf(pdev, data->cs, extint)) |
| 1808 | goto fail; |
| 1809 | |
| 1810 | platform_device_add(pdev); |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1811 | return pdev; |
Haavard Skinnemoen | eaf5f92 | 2007-10-22 18:32:14 +0200 | [diff] [blame] | 1812 | |
| 1813 | fail: |
| 1814 | platform_device_put(pdev); |
| 1815 | return NULL; |
| 1816 | } |
| 1817 | |
| 1818 | struct platform_device *__init |
| 1819 | at32_add_device_cf(unsigned int id, unsigned int extint, |
| 1820 | struct cf_platform_data *data) |
| 1821 | { |
| 1822 | struct platform_device *pdev; |
| 1823 | |
| 1824 | pdev = platform_device_alloc("at32_cf", id); |
| 1825 | if (!pdev) |
| 1826 | goto fail; |
| 1827 | |
| 1828 | if (platform_device_add_data(pdev, data, |
| 1829 | sizeof(struct cf_platform_data))) |
| 1830 | goto fail; |
| 1831 | |
| 1832 | if (at32_init_ide_or_cf(pdev, data->cs, extint)) |
| 1833 | goto fail; |
| 1834 | |
| 1835 | if (data->detect_pin != GPIO_PIN_NONE) |
| 1836 | at32_select_gpio(data->detect_pin, AT32_GPIOF_DEGLITCH); |
| 1837 | if (data->reset_pin != GPIO_PIN_NONE) |
| 1838 | at32_select_gpio(data->reset_pin, 0); |
| 1839 | if (data->vcc_pin != GPIO_PIN_NONE) |
| 1840 | at32_select_gpio(data->vcc_pin, 0); |
| 1841 | /* READY is used as extint, so we can't select it as gpio */ |
| 1842 | |
| 1843 | platform_device_add(pdev); |
| 1844 | return pdev; |
| 1845 | |
| 1846 | fail: |
| 1847 | platform_device_put(pdev); |
| 1848 | return NULL; |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1849 | } |
Haavard Skinnemoen | 438ff3f | 2007-10-29 15:28:07 +0100 | [diff] [blame] | 1850 | #endif |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1851 | |
| 1852 | /* -------------------------------------------------------------------- |
Haavard Skinnemoen | 2042c1c | 2007-10-22 17:42:35 +0200 | [diff] [blame] | 1853 | * AC97C |
| 1854 | * -------------------------------------------------------------------- */ |
| 1855 | static struct resource atmel_ac97c0_resource[] __initdata = { |
| 1856 | PBMEM(0xfff02800), |
| 1857 | IRQ(29), |
| 1858 | }; |
| 1859 | static struct clk atmel_ac97c0_pclk = { |
| 1860 | .name = "pclk", |
| 1861 | .parent = &pbb_clk, |
| 1862 | .mode = pbb_clk_mode, |
| 1863 | .get_rate = pbb_clk_get_rate, |
| 1864 | .index = 10, |
| 1865 | }; |
| 1866 | |
| 1867 | struct platform_device *__init at32_add_device_ac97c(unsigned int id) |
| 1868 | { |
| 1869 | struct platform_device *pdev; |
| 1870 | |
| 1871 | if (id != 0) |
| 1872 | return NULL; |
| 1873 | |
| 1874 | pdev = platform_device_alloc("atmel_ac97c", id); |
| 1875 | if (!pdev) |
| 1876 | return NULL; |
| 1877 | |
| 1878 | if (platform_device_add_resources(pdev, atmel_ac97c0_resource, |
| 1879 | ARRAY_SIZE(atmel_ac97c0_resource))) |
| 1880 | goto err_add_resources; |
| 1881 | |
| 1882 | select_peripheral(PB(20), PERIPH_B, 0); /* SYNC */ |
| 1883 | select_peripheral(PB(21), PERIPH_B, 0); /* SDO */ |
| 1884 | select_peripheral(PB(22), PERIPH_B, 0); /* SDI */ |
| 1885 | select_peripheral(PB(23), PERIPH_B, 0); /* SCLK */ |
| 1886 | |
| 1887 | atmel_ac97c0_pclk.dev = &pdev->dev; |
| 1888 | |
| 1889 | platform_device_add(pdev); |
| 1890 | return pdev; |
| 1891 | |
| 1892 | err_add_resources: |
| 1893 | platform_device_put(pdev); |
| 1894 | return NULL; |
| 1895 | } |
| 1896 | |
| 1897 | /* -------------------------------------------------------------------- |
| 1898 | * ABDAC |
| 1899 | * -------------------------------------------------------------------- */ |
| 1900 | static struct resource abdac0_resource[] __initdata = { |
| 1901 | PBMEM(0xfff02000), |
| 1902 | IRQ(27), |
| 1903 | }; |
| 1904 | static struct clk abdac0_pclk = { |
| 1905 | .name = "pclk", |
| 1906 | .parent = &pbb_clk, |
| 1907 | .mode = pbb_clk_mode, |
| 1908 | .get_rate = pbb_clk_get_rate, |
| 1909 | .index = 8, |
| 1910 | }; |
| 1911 | static struct clk abdac0_sample_clk = { |
| 1912 | .name = "sample_clk", |
| 1913 | .mode = genclk_mode, |
| 1914 | .get_rate = genclk_get_rate, |
| 1915 | .set_rate = genclk_set_rate, |
| 1916 | .set_parent = genclk_set_parent, |
| 1917 | .index = 6, |
| 1918 | }; |
| 1919 | |
| 1920 | struct platform_device *__init at32_add_device_abdac(unsigned int id) |
| 1921 | { |
| 1922 | struct platform_device *pdev; |
| 1923 | |
| 1924 | if (id != 0) |
| 1925 | return NULL; |
| 1926 | |
| 1927 | pdev = platform_device_alloc("abdac", id); |
| 1928 | if (!pdev) |
| 1929 | return NULL; |
| 1930 | |
| 1931 | if (platform_device_add_resources(pdev, abdac0_resource, |
| 1932 | ARRAY_SIZE(abdac0_resource))) |
| 1933 | goto err_add_resources; |
| 1934 | |
| 1935 | select_peripheral(PB(20), PERIPH_A, 0); /* DATA1 */ |
| 1936 | select_peripheral(PB(21), PERIPH_A, 0); /* DATA0 */ |
| 1937 | select_peripheral(PB(22), PERIPH_A, 0); /* DATAN1 */ |
| 1938 | select_peripheral(PB(23), PERIPH_A, 0); /* DATAN0 */ |
| 1939 | |
| 1940 | abdac0_pclk.dev = &pdev->dev; |
| 1941 | abdac0_sample_clk.dev = &pdev->dev; |
| 1942 | |
| 1943 | platform_device_add(pdev); |
| 1944 | return pdev; |
| 1945 | |
| 1946 | err_add_resources: |
| 1947 | platform_device_put(pdev); |
| 1948 | return NULL; |
| 1949 | } |
| 1950 | |
| 1951 | /* -------------------------------------------------------------------- |
Haavard Skinnemoen | 7a5fe23 | 2007-02-16 13:14:33 +0100 | [diff] [blame] | 1952 | * GCLK |
| 1953 | * -------------------------------------------------------------------- */ |
| 1954 | static struct clk gclk0 = { |
| 1955 | .name = "gclk0", |
| 1956 | .mode = genclk_mode, |
| 1957 | .get_rate = genclk_get_rate, |
| 1958 | .set_rate = genclk_set_rate, |
| 1959 | .set_parent = genclk_set_parent, |
| 1960 | .index = 0, |
| 1961 | }; |
| 1962 | static struct clk gclk1 = { |
| 1963 | .name = "gclk1", |
| 1964 | .mode = genclk_mode, |
| 1965 | .get_rate = genclk_get_rate, |
| 1966 | .set_rate = genclk_set_rate, |
| 1967 | .set_parent = genclk_set_parent, |
| 1968 | .index = 1, |
| 1969 | }; |
| 1970 | static struct clk gclk2 = { |
| 1971 | .name = "gclk2", |
| 1972 | .mode = genclk_mode, |
| 1973 | .get_rate = genclk_get_rate, |
| 1974 | .set_rate = genclk_set_rate, |
| 1975 | .set_parent = genclk_set_parent, |
| 1976 | .index = 2, |
| 1977 | }; |
| 1978 | static struct clk gclk3 = { |
| 1979 | .name = "gclk3", |
| 1980 | .mode = genclk_mode, |
| 1981 | .get_rate = genclk_get_rate, |
| 1982 | .set_rate = genclk_set_rate, |
| 1983 | .set_parent = genclk_set_parent, |
| 1984 | .index = 3, |
| 1985 | }; |
| 1986 | static struct clk gclk4 = { |
| 1987 | .name = "gclk4", |
| 1988 | .mode = genclk_mode, |
| 1989 | .get_rate = genclk_get_rate, |
| 1990 | .set_rate = genclk_set_rate, |
| 1991 | .set_parent = genclk_set_parent, |
| 1992 | .index = 4, |
| 1993 | }; |
| 1994 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1995 | struct clk *at32_clock_list[] = { |
| 1996 | &osc32k, |
| 1997 | &osc0, |
| 1998 | &osc1, |
| 1999 | &pll0, |
| 2000 | &pll1, |
| 2001 | &cpu_clk, |
| 2002 | &hsb_clk, |
| 2003 | &pba_clk, |
| 2004 | &pbb_clk, |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 2005 | &at32_pm_pclk, |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 2006 | &at32_intc0_pclk, |
Haavard Skinnemoen | 9c8f8e7 | 2007-02-01 16:34:10 +0100 | [diff] [blame] | 2007 | &hmatrix_clk, |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 2008 | &ebi_clk, |
| 2009 | &hramc_clk, |
Haavard Skinnemoen | 7951f18 | 2008-03-05 15:08:27 +0100 | [diff] [blame] | 2010 | &sdramc_clk, |
Haavard Skinnemoen | bc157b7 | 2006-09-25 23:32:16 -0700 | [diff] [blame] | 2011 | &smc0_pclk, |
| 2012 | &smc0_mck, |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 2013 | &pdc_hclk, |
| 2014 | &pdc_pclk, |
Haavard Skinnemoen | 2042c1c | 2007-10-22 17:42:35 +0200 | [diff] [blame] | 2015 | &dmaca0_hclk, |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 2016 | &pico_clk, |
| 2017 | &pio0_mck, |
| 2018 | &pio1_mck, |
| 2019 | &pio2_mck, |
| 2020 | &pio3_mck, |
Haavard Skinnemoen | 7f9f467 | 2007-01-30 11:16:16 +0100 | [diff] [blame] | 2021 | &pio4_mck, |
David Brownell | e723ff6 | 2008-02-14 11:24:02 -0800 | [diff] [blame] | 2022 | &at32_tcb0_t0_clk, |
| 2023 | &at32_tcb1_t0_clk, |
Hans-Christian Egtvedt | d86d314 | 2008-02-25 11:24:30 +0100 | [diff] [blame] | 2024 | &atmel_psif0_pclk, |
| 2025 | &atmel_psif1_pclk, |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 2026 | &atmel_usart0_usart, |
| 2027 | &atmel_usart1_usart, |
| 2028 | &atmel_usart2_usart, |
| 2029 | &atmel_usart3_usart, |
David Brownell | 9a1e8eb | 2008-02-08 04:21:21 -0800 | [diff] [blame] | 2030 | &atmel_pwm0_mck, |
Haavard Skinnemoen | 438ff3f | 2007-10-29 15:28:07 +0100 | [diff] [blame] | 2031 | #if defined(CONFIG_CPU_AT32AP7000) |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 2032 | &macb0_hclk, |
| 2033 | &macb0_pclk, |
Haavard Skinnemoen | cfcb3a8 | 2006-10-30 09:23:12 +0100 | [diff] [blame] | 2034 | &macb1_hclk, |
| 2035 | &macb1_pclk, |
Haavard Skinnemoen | 438ff3f | 2007-10-29 15:28:07 +0100 | [diff] [blame] | 2036 | #endif |
Haavard Skinnemoen | 3d60ee1 | 2007-01-10 20:20:02 +0100 | [diff] [blame] | 2037 | &atmel_spi0_spi_clk, |
| 2038 | &atmel_spi1_spi_clk, |
Haavard Skinnemoen | 2042c1c | 2007-10-22 17:42:35 +0200 | [diff] [blame] | 2039 | &atmel_twi0_pclk, |
| 2040 | &atmel_mci0_pclk, |
Haavard Skinnemoen | 438ff3f | 2007-10-29 15:28:07 +0100 | [diff] [blame] | 2041 | #if defined(CONFIG_CPU_AT32AP7000) || defined(CONFIG_CPU_AT32AP7002) |
Haavard Skinnemoen | d0a2b7a | 2007-03-21 18:08:49 +0100 | [diff] [blame] | 2042 | &atmel_lcdfb0_hck1, |
| 2043 | &atmel_lcdfb0_pixclk, |
Haavard Skinnemoen | 438ff3f | 2007-10-29 15:28:07 +0100 | [diff] [blame] | 2044 | #endif |
Hans-Christian Egtvedt | 9cf6cf5 | 2007-07-06 14:31:55 +0200 | [diff] [blame] | 2045 | &ssc0_pclk, |
| 2046 | &ssc1_pclk, |
| 2047 | &ssc2_pclk, |
Haavard Skinnemoen | 6fcf061 | 2007-06-14 17:37:31 +0200 | [diff] [blame] | 2048 | &usba0_hclk, |
| 2049 | &usba0_pclk, |
Haavard Skinnemoen | 2042c1c | 2007-10-22 17:42:35 +0200 | [diff] [blame] | 2050 | &atmel_ac97c0_pclk, |
| 2051 | &abdac0_pclk, |
| 2052 | &abdac0_sample_clk, |
Haavard Skinnemoen | 7a5fe23 | 2007-02-16 13:14:33 +0100 | [diff] [blame] | 2053 | &gclk0, |
| 2054 | &gclk1, |
| 2055 | &gclk2, |
| 2056 | &gclk3, |
| 2057 | &gclk4, |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 2058 | }; |
| 2059 | unsigned int at32_nr_clocks = ARRAY_SIZE(at32_clock_list); |
| 2060 | |
Haavard Skinnemoen | 65033ed | 2008-03-04 15:15:00 +0100 | [diff] [blame] | 2061 | void __init setup_platform(void) |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 2062 | { |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 2063 | u32 cpu_mask = 0, hsb_mask = 0, pba_mask = 0, pbb_mask = 0; |
| 2064 | int i; |
| 2065 | |
Hans-Christian Egtvedt | 9e58e18 | 2007-06-04 16:10:57 +0200 | [diff] [blame] | 2066 | if (pm_readl(MCCTRL) & PM_BIT(PLLSEL)) { |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 2067 | main_clock = &pll0; |
Hans-Christian Egtvedt | 9e58e18 | 2007-06-04 16:10:57 +0200 | [diff] [blame] | 2068 | cpu_clk.parent = &pll0; |
| 2069 | } else { |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 2070 | main_clock = &osc0; |
Hans-Christian Egtvedt | 9e58e18 | 2007-06-04 16:10:57 +0200 | [diff] [blame] | 2071 | cpu_clk.parent = &osc0; |
| 2072 | } |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 2073 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 2074 | if (pm_readl(PLL0) & PM_BIT(PLLOSC)) |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 2075 | pll0.parent = &osc1; |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 2076 | if (pm_readl(PLL1) & PM_BIT(PLLOSC)) |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 2077 | pll1.parent = &osc1; |
| 2078 | |
Haavard Skinnemoen | 7a5fe23 | 2007-02-16 13:14:33 +0100 | [diff] [blame] | 2079 | genclk_init_parent(&gclk0); |
| 2080 | genclk_init_parent(&gclk1); |
| 2081 | genclk_init_parent(&gclk2); |
| 2082 | genclk_init_parent(&gclk3); |
| 2083 | genclk_init_parent(&gclk4); |
Haavard Skinnemoen | 438ff3f | 2007-10-29 15:28:07 +0100 | [diff] [blame] | 2084 | #if defined(CONFIG_CPU_AT32AP7000) || defined(CONFIG_CPU_AT32AP7002) |
Haavard Skinnemoen | d0a2b7a | 2007-03-21 18:08:49 +0100 | [diff] [blame] | 2085 | genclk_init_parent(&atmel_lcdfb0_pixclk); |
Haavard Skinnemoen | 438ff3f | 2007-10-29 15:28:07 +0100 | [diff] [blame] | 2086 | #endif |
Haavard Skinnemoen | 2042c1c | 2007-10-22 17:42:35 +0200 | [diff] [blame] | 2087 | genclk_init_parent(&abdac0_sample_clk); |
Haavard Skinnemoen | 7a5fe23 | 2007-02-16 13:14:33 +0100 | [diff] [blame] | 2088 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 2089 | /* |
| 2090 | * Turn on all clocks that have at least one user already, and |
| 2091 | * turn off everything else. We only do this for module |
| 2092 | * clocks, and even though it isn't particularly pretty to |
| 2093 | * check the address of the mode function, it should do the |
| 2094 | * trick... |
| 2095 | */ |
| 2096 | for (i = 0; i < ARRAY_SIZE(at32_clock_list); i++) { |
| 2097 | struct clk *clk = at32_clock_list[i]; |
| 2098 | |
Haavard Skinnemoen | 188ff65 | 2007-03-14 13:23:44 +0100 | [diff] [blame] | 2099 | if (clk->users == 0) |
| 2100 | continue; |
| 2101 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 2102 | if (clk->mode == &cpu_clk_mode) |
| 2103 | cpu_mask |= 1 << clk->index; |
| 2104 | else if (clk->mode == &hsb_clk_mode) |
| 2105 | hsb_mask |= 1 << clk->index; |
| 2106 | else if (clk->mode == &pba_clk_mode) |
| 2107 | pba_mask |= 1 << clk->index; |
| 2108 | else if (clk->mode == &pbb_clk_mode) |
| 2109 | pbb_mask |= 1 << clk->index; |
| 2110 | } |
| 2111 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 2112 | pm_writel(CPU_MASK, cpu_mask); |
| 2113 | pm_writel(HSB_MASK, hsb_mask); |
| 2114 | pm_writel(PBA_MASK, pba_mask); |
| 2115 | pm_writel(PBB_MASK, pbb_mask); |
Haavard Skinnemoen | 65033ed | 2008-03-04 15:15:00 +0100 | [diff] [blame] | 2116 | |
| 2117 | /* Initialize the port muxes */ |
| 2118 | at32_init_pio(&pio0_device); |
| 2119 | at32_init_pio(&pio1_device); |
| 2120 | at32_init_pio(&pio2_device); |
| 2121 | at32_init_pio(&pio3_device); |
| 2122 | at32_init_pio(&pio4_device); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 2123 | } |
Haavard Skinnemoen | b83d6ee | 2008-03-05 10:00:28 +0100 | [diff] [blame^] | 2124 | |
| 2125 | struct gen_pool *sram_pool; |
| 2126 | |
| 2127 | static int __init sram_init(void) |
| 2128 | { |
| 2129 | struct gen_pool *pool; |
| 2130 | |
| 2131 | /* 1KiB granularity */ |
| 2132 | pool = gen_pool_create(10, -1); |
| 2133 | if (!pool) |
| 2134 | goto fail; |
| 2135 | |
| 2136 | if (gen_pool_add(pool, 0x24000000, 0x8000, -1)) |
| 2137 | goto err_pool_add; |
| 2138 | |
| 2139 | sram_pool = pool; |
| 2140 | return 0; |
| 2141 | |
| 2142 | err_pool_add: |
| 2143 | gen_pool_destroy(pool); |
| 2144 | fail: |
| 2145 | pr_err("Failed to create SRAM pool\n"); |
| 2146 | return -ENOMEM; |
| 2147 | } |
| 2148 | core_initcall(sram_init); |