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> |
Haavard Skinnemoen | d0a2b7a | 2007-03-21 18:08:49 +0100 | [diff] [blame] | 9 | #include <linux/fb.h> |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 10 | #include <linux/init.h> |
| 11 | #include <linux/platform_device.h> |
David Brownell | 6b84bbf | 2007-06-22 19:17:57 -0700 | [diff] [blame] | 12 | #include <linux/dma-mapping.h> |
Haavard Skinnemoen | 41d8ca4 | 2007-02-16 13:56:11 +0100 | [diff] [blame] | 13 | #include <linux/spi/spi.h> |
Stelian Pop | 8d85531 | 2008-03-05 00:00:00 +0100 | [diff] [blame] | 14 | #include <linux/usb/atmel_usba_udc.h> |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 15 | |
| 16 | #include <asm/io.h> |
Haavard Skinnemoen | e7ba176 | 2007-10-10 14:58:29 +0200 | [diff] [blame] | 17 | #include <asm/irq.h> |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 18 | |
Haavard Skinnemoen | 438ff3f | 2007-10-29 15:28:07 +0100 | [diff] [blame] | 19 | #include <asm/arch/at32ap700x.h> |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 20 | #include <asm/arch/board.h> |
| 21 | #include <asm/arch/portmux.h> |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 22 | |
Haavard Skinnemoen | d0a2b7a | 2007-03-21 18:08:49 +0100 | [diff] [blame] | 23 | #include <video/atmel_lcdc.h> |
| 24 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 25 | #include "clock.h" |
Haavard Skinnemoen | 9c8f8e7 | 2007-02-01 16:34:10 +0100 | [diff] [blame] | 26 | #include "hmatrix.h" |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 27 | #include "pio.h" |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 28 | #include "pm.h" |
| 29 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 30 | |
| 31 | #define PBMEM(base) \ |
| 32 | { \ |
| 33 | .start = base, \ |
| 34 | .end = base + 0x3ff, \ |
| 35 | .flags = IORESOURCE_MEM, \ |
| 36 | } |
| 37 | #define IRQ(num) \ |
| 38 | { \ |
| 39 | .start = num, \ |
| 40 | .end = num, \ |
| 41 | .flags = IORESOURCE_IRQ, \ |
| 42 | } |
| 43 | #define NAMED_IRQ(num, _name) \ |
| 44 | { \ |
| 45 | .start = num, \ |
| 46 | .end = num, \ |
| 47 | .name = _name, \ |
| 48 | .flags = IORESOURCE_IRQ, \ |
| 49 | } |
| 50 | |
David Brownell | 6b84bbf | 2007-06-22 19:17:57 -0700 | [diff] [blame] | 51 | /* REVISIT these assume *every* device supports DMA, but several |
| 52 | * don't ... tc, smc, pio, rtc, watchdog, pwm, ps2, and more. |
| 53 | */ |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 54 | #define DEFINE_DEV(_name, _id) \ |
David Brownell | 6b84bbf | 2007-06-22 19:17:57 -0700 | [diff] [blame] | 55 | static u64 _name##_id##_dma_mask = DMA_32BIT_MASK; \ |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 56 | static struct platform_device _name##_id##_device = { \ |
| 57 | .name = #_name, \ |
| 58 | .id = _id, \ |
| 59 | .dev = { \ |
David Brownell | 6b84bbf | 2007-06-22 19:17:57 -0700 | [diff] [blame] | 60 | .dma_mask = &_name##_id##_dma_mask, \ |
| 61 | .coherent_dma_mask = DMA_32BIT_MASK, \ |
| 62 | }, \ |
| 63 | .resource = _name##_id##_resource, \ |
| 64 | .num_resources = ARRAY_SIZE(_name##_id##_resource), \ |
| 65 | } |
| 66 | #define DEFINE_DEV_DATA(_name, _id) \ |
| 67 | static u64 _name##_id##_dma_mask = DMA_32BIT_MASK; \ |
| 68 | static struct platform_device _name##_id##_device = { \ |
| 69 | .name = #_name, \ |
| 70 | .id = _id, \ |
| 71 | .dev = { \ |
| 72 | .dma_mask = &_name##_id##_dma_mask, \ |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 73 | .platform_data = &_name##_id##_data, \ |
David Brownell | 6b84bbf | 2007-06-22 19:17:57 -0700 | [diff] [blame] | 74 | .coherent_dma_mask = DMA_32BIT_MASK, \ |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 75 | }, \ |
| 76 | .resource = _name##_id##_resource, \ |
| 77 | .num_resources = ARRAY_SIZE(_name##_id##_resource), \ |
| 78 | } |
| 79 | |
Haavard Skinnemoen | c3e2a79 | 2006-12-04 13:46:52 +0100 | [diff] [blame] | 80 | #define select_peripheral(pin, periph, flags) \ |
| 81 | at32_select_periph(GPIO_PIN_##pin, GPIO_##periph, flags) |
| 82 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 83 | #define DEV_CLK(_name, devname, bus, _index) \ |
| 84 | static struct clk devname##_##_name = { \ |
| 85 | .name = #_name, \ |
| 86 | .dev = &devname##_device.dev, \ |
| 87 | .parent = &bus##_clk, \ |
| 88 | .mode = bus##_clk_mode, \ |
| 89 | .get_rate = bus##_clk_get_rate, \ |
| 90 | .index = _index, \ |
| 91 | } |
| 92 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 93 | static DEFINE_SPINLOCK(pm_lock); |
| 94 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 95 | unsigned long at32ap7000_osc_rates[3] = { |
| 96 | [0] = 32768, |
| 97 | /* FIXME: these are ATSTK1002-specific */ |
| 98 | [1] = 20000000, |
| 99 | [2] = 12000000, |
| 100 | }; |
| 101 | |
| 102 | static unsigned long osc_get_rate(struct clk *clk) |
| 103 | { |
| 104 | return at32ap7000_osc_rates[clk->index]; |
| 105 | } |
| 106 | |
| 107 | static unsigned long pll_get_rate(struct clk *clk, unsigned long control) |
| 108 | { |
| 109 | unsigned long div, mul, rate; |
| 110 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 111 | if (!(control & PM_BIT(PLLEN))) |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 112 | return 0; |
| 113 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 114 | div = PM_BFEXT(PLLDIV, control) + 1; |
| 115 | mul = PM_BFEXT(PLLMUL, control) + 1; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 116 | |
| 117 | rate = clk->parent->get_rate(clk->parent); |
| 118 | rate = (rate + div / 2) / div; |
| 119 | rate *= mul; |
| 120 | |
| 121 | return rate; |
| 122 | } |
| 123 | |
| 124 | static unsigned long pll0_get_rate(struct clk *clk) |
| 125 | { |
| 126 | u32 control; |
| 127 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 128 | control = pm_readl(PLL0); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 129 | |
| 130 | return pll_get_rate(clk, control); |
| 131 | } |
| 132 | |
| 133 | static unsigned long pll1_get_rate(struct clk *clk) |
| 134 | { |
| 135 | u32 control; |
| 136 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 137 | control = pm_readl(PLL1); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 138 | |
| 139 | return pll_get_rate(clk, control); |
| 140 | } |
| 141 | |
| 142 | /* |
| 143 | * The AT32AP7000 has five primary clock sources: One 32kHz |
| 144 | * oscillator, two crystal oscillators and two PLLs. |
| 145 | */ |
| 146 | static struct clk osc32k = { |
| 147 | .name = "osc32k", |
| 148 | .get_rate = osc_get_rate, |
| 149 | .users = 1, |
| 150 | .index = 0, |
| 151 | }; |
| 152 | static struct clk osc0 = { |
| 153 | .name = "osc0", |
| 154 | .get_rate = osc_get_rate, |
| 155 | .users = 1, |
| 156 | .index = 1, |
| 157 | }; |
| 158 | static struct clk osc1 = { |
| 159 | .name = "osc1", |
| 160 | .get_rate = osc_get_rate, |
| 161 | .index = 2, |
| 162 | }; |
| 163 | static struct clk pll0 = { |
| 164 | .name = "pll0", |
| 165 | .get_rate = pll0_get_rate, |
| 166 | .parent = &osc0, |
| 167 | }; |
| 168 | static struct clk pll1 = { |
| 169 | .name = "pll1", |
| 170 | .get_rate = pll1_get_rate, |
| 171 | .parent = &osc0, |
| 172 | }; |
| 173 | |
| 174 | /* |
| 175 | * The main clock can be either osc0 or pll0. The boot loader may |
| 176 | * have chosen one for us, so we don't really know which one until we |
| 177 | * have a look at the SM. |
| 178 | */ |
| 179 | static struct clk *main_clock; |
| 180 | |
| 181 | /* |
| 182 | * Synchronous clocks are generated from the main clock. The clocks |
| 183 | * must satisfy the constraint |
| 184 | * fCPU >= fHSB >= fPB |
| 185 | * i.e. each clock must not be faster than its parent. |
| 186 | */ |
| 187 | static unsigned long bus_clk_get_rate(struct clk *clk, unsigned int shift) |
| 188 | { |
| 189 | return main_clock->get_rate(main_clock) >> shift; |
| 190 | }; |
| 191 | |
| 192 | static void cpu_clk_mode(struct clk *clk, int enabled) |
| 193 | { |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 194 | unsigned long flags; |
| 195 | u32 mask; |
| 196 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 197 | spin_lock_irqsave(&pm_lock, flags); |
| 198 | mask = pm_readl(CPU_MASK); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 199 | if (enabled) |
| 200 | mask |= 1 << clk->index; |
| 201 | else |
| 202 | mask &= ~(1 << clk->index); |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 203 | pm_writel(CPU_MASK, mask); |
| 204 | spin_unlock_irqrestore(&pm_lock, flags); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 205 | } |
| 206 | |
| 207 | static unsigned long cpu_clk_get_rate(struct clk *clk) |
| 208 | { |
| 209 | unsigned long cksel, shift = 0; |
| 210 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 211 | cksel = pm_readl(CKSEL); |
| 212 | if (cksel & PM_BIT(CPUDIV)) |
| 213 | shift = PM_BFEXT(CPUSEL, cksel) + 1; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 214 | |
| 215 | return bus_clk_get_rate(clk, shift); |
| 216 | } |
| 217 | |
Hans-Christian Egtvedt | 9e58e18 | 2007-06-04 16:10:57 +0200 | [diff] [blame] | 218 | static long cpu_clk_set_rate(struct clk *clk, unsigned long rate, int apply) |
| 219 | { |
| 220 | u32 control; |
| 221 | unsigned long parent_rate, child_div, actual_rate, div; |
| 222 | |
| 223 | parent_rate = clk->parent->get_rate(clk->parent); |
| 224 | control = pm_readl(CKSEL); |
| 225 | |
| 226 | if (control & PM_BIT(HSBDIV)) |
| 227 | child_div = 1 << (PM_BFEXT(HSBSEL, control) + 1); |
| 228 | else |
| 229 | child_div = 1; |
| 230 | |
| 231 | if (rate > 3 * (parent_rate / 4) || child_div == 1) { |
| 232 | actual_rate = parent_rate; |
| 233 | control &= ~PM_BIT(CPUDIV); |
| 234 | } else { |
| 235 | unsigned int cpusel; |
| 236 | div = (parent_rate + rate / 2) / rate; |
| 237 | if (div > child_div) |
| 238 | div = child_div; |
| 239 | cpusel = (div > 1) ? (fls(div) - 2) : 0; |
| 240 | control = PM_BIT(CPUDIV) | PM_BFINS(CPUSEL, cpusel, control); |
| 241 | actual_rate = parent_rate / (1 << (cpusel + 1)); |
| 242 | } |
| 243 | |
| 244 | pr_debug("clk %s: new rate %lu (actual rate %lu)\n", |
| 245 | clk->name, rate, actual_rate); |
| 246 | |
| 247 | if (apply) |
| 248 | pm_writel(CKSEL, control); |
| 249 | |
| 250 | return actual_rate; |
| 251 | } |
| 252 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 253 | static void hsb_clk_mode(struct clk *clk, int enabled) |
| 254 | { |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 255 | unsigned long flags; |
| 256 | u32 mask; |
| 257 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 258 | spin_lock_irqsave(&pm_lock, flags); |
| 259 | mask = pm_readl(HSB_MASK); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 260 | if (enabled) |
| 261 | mask |= 1 << clk->index; |
| 262 | else |
| 263 | mask &= ~(1 << clk->index); |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 264 | pm_writel(HSB_MASK, mask); |
| 265 | spin_unlock_irqrestore(&pm_lock, flags); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 266 | } |
| 267 | |
| 268 | static unsigned long hsb_clk_get_rate(struct clk *clk) |
| 269 | { |
| 270 | unsigned long cksel, shift = 0; |
| 271 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 272 | cksel = pm_readl(CKSEL); |
| 273 | if (cksel & PM_BIT(HSBDIV)) |
| 274 | shift = PM_BFEXT(HSBSEL, cksel) + 1; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 275 | |
| 276 | return bus_clk_get_rate(clk, shift); |
| 277 | } |
| 278 | |
| 279 | static void pba_clk_mode(struct clk *clk, int enabled) |
| 280 | { |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 281 | unsigned long flags; |
| 282 | u32 mask; |
| 283 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 284 | spin_lock_irqsave(&pm_lock, flags); |
| 285 | mask = pm_readl(PBA_MASK); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 286 | if (enabled) |
| 287 | mask |= 1 << clk->index; |
| 288 | else |
| 289 | mask &= ~(1 << clk->index); |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 290 | pm_writel(PBA_MASK, mask); |
| 291 | spin_unlock_irqrestore(&pm_lock, flags); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 292 | } |
| 293 | |
| 294 | static unsigned long pba_clk_get_rate(struct clk *clk) |
| 295 | { |
| 296 | unsigned long cksel, shift = 0; |
| 297 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 298 | cksel = pm_readl(CKSEL); |
| 299 | if (cksel & PM_BIT(PBADIV)) |
| 300 | shift = PM_BFEXT(PBASEL, cksel) + 1; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 301 | |
| 302 | return bus_clk_get_rate(clk, shift); |
| 303 | } |
| 304 | |
| 305 | static void pbb_clk_mode(struct clk *clk, int enabled) |
| 306 | { |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 307 | unsigned long flags; |
| 308 | u32 mask; |
| 309 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 310 | spin_lock_irqsave(&pm_lock, flags); |
| 311 | mask = pm_readl(PBB_MASK); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 312 | if (enabled) |
| 313 | mask |= 1 << clk->index; |
| 314 | else |
| 315 | mask &= ~(1 << clk->index); |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 316 | pm_writel(PBB_MASK, mask); |
| 317 | spin_unlock_irqrestore(&pm_lock, flags); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 318 | } |
| 319 | |
| 320 | static unsigned long pbb_clk_get_rate(struct clk *clk) |
| 321 | { |
| 322 | unsigned long cksel, shift = 0; |
| 323 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 324 | cksel = pm_readl(CKSEL); |
| 325 | if (cksel & PM_BIT(PBBDIV)) |
| 326 | shift = PM_BFEXT(PBBSEL, cksel) + 1; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 327 | |
| 328 | return bus_clk_get_rate(clk, shift); |
| 329 | } |
| 330 | |
| 331 | static struct clk cpu_clk = { |
| 332 | .name = "cpu", |
| 333 | .get_rate = cpu_clk_get_rate, |
Hans-Christian Egtvedt | 9e58e18 | 2007-06-04 16:10:57 +0200 | [diff] [blame] | 334 | .set_rate = cpu_clk_set_rate, |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 335 | .users = 1, |
| 336 | }; |
| 337 | static struct clk hsb_clk = { |
| 338 | .name = "hsb", |
| 339 | .parent = &cpu_clk, |
| 340 | .get_rate = hsb_clk_get_rate, |
| 341 | }; |
| 342 | static struct clk pba_clk = { |
| 343 | .name = "pba", |
| 344 | .parent = &hsb_clk, |
| 345 | .mode = hsb_clk_mode, |
| 346 | .get_rate = pba_clk_get_rate, |
| 347 | .index = 1, |
| 348 | }; |
| 349 | static struct clk pbb_clk = { |
| 350 | .name = "pbb", |
| 351 | .parent = &hsb_clk, |
| 352 | .mode = hsb_clk_mode, |
| 353 | .get_rate = pbb_clk_get_rate, |
| 354 | .users = 1, |
| 355 | .index = 2, |
| 356 | }; |
| 357 | |
| 358 | /* -------------------------------------------------------------------- |
| 359 | * Generic Clock operations |
| 360 | * -------------------------------------------------------------------- */ |
| 361 | |
| 362 | static void genclk_mode(struct clk *clk, int enabled) |
| 363 | { |
| 364 | u32 control; |
| 365 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 366 | control = pm_readl(GCCTRL(clk->index)); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 367 | if (enabled) |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 368 | control |= PM_BIT(CEN); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 369 | else |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 370 | control &= ~PM_BIT(CEN); |
| 371 | pm_writel(GCCTRL(clk->index), control); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 372 | } |
| 373 | |
| 374 | static unsigned long genclk_get_rate(struct clk *clk) |
| 375 | { |
| 376 | u32 control; |
| 377 | unsigned long div = 1; |
| 378 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 379 | control = pm_readl(GCCTRL(clk->index)); |
| 380 | if (control & PM_BIT(DIVEN)) |
| 381 | div = 2 * (PM_BFEXT(DIV, control) + 1); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 382 | |
| 383 | return clk->parent->get_rate(clk->parent) / div; |
| 384 | } |
| 385 | |
| 386 | static long genclk_set_rate(struct clk *clk, unsigned long rate, int apply) |
| 387 | { |
| 388 | u32 control; |
| 389 | unsigned long parent_rate, actual_rate, div; |
| 390 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 391 | parent_rate = clk->parent->get_rate(clk->parent); |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 392 | control = pm_readl(GCCTRL(clk->index)); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 393 | |
| 394 | if (rate > 3 * parent_rate / 4) { |
| 395 | actual_rate = parent_rate; |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 396 | control &= ~PM_BIT(DIVEN); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 397 | } else { |
| 398 | div = (parent_rate + rate) / (2 * rate) - 1; |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 399 | control = PM_BFINS(DIV, div, control) | PM_BIT(DIVEN); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 400 | actual_rate = parent_rate / (2 * (div + 1)); |
| 401 | } |
| 402 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 403 | dev_dbg(clk->dev, "clk %s: new rate %lu (actual rate %lu)\n", |
| 404 | clk->name, rate, actual_rate); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 405 | |
| 406 | if (apply) |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 407 | pm_writel(GCCTRL(clk->index), control); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 408 | |
| 409 | return actual_rate; |
| 410 | } |
| 411 | |
| 412 | int genclk_set_parent(struct clk *clk, struct clk *parent) |
| 413 | { |
| 414 | u32 control; |
| 415 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 416 | dev_dbg(clk->dev, "clk %s: new parent %s (was %s)\n", |
| 417 | clk->name, parent->name, clk->parent->name); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 418 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 419 | control = pm_readl(GCCTRL(clk->index)); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 420 | |
| 421 | if (parent == &osc1 || parent == &pll1) |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 422 | control |= PM_BIT(OSCSEL); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 423 | else if (parent == &osc0 || parent == &pll0) |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 424 | control &= ~PM_BIT(OSCSEL); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 425 | else |
| 426 | return -EINVAL; |
| 427 | |
| 428 | if (parent == &pll0 || parent == &pll1) |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 429 | control |= PM_BIT(PLLSEL); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 430 | else |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 431 | control &= ~PM_BIT(PLLSEL); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 432 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 433 | pm_writel(GCCTRL(clk->index), control); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 434 | clk->parent = parent; |
| 435 | |
| 436 | return 0; |
| 437 | } |
| 438 | |
Haavard Skinnemoen | 7a5fe23 | 2007-02-16 13:14:33 +0100 | [diff] [blame] | 439 | static void __init genclk_init_parent(struct clk *clk) |
| 440 | { |
| 441 | u32 control; |
| 442 | struct clk *parent; |
| 443 | |
| 444 | BUG_ON(clk->index > 7); |
| 445 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 446 | control = pm_readl(GCCTRL(clk->index)); |
| 447 | if (control & PM_BIT(OSCSEL)) |
| 448 | parent = (control & PM_BIT(PLLSEL)) ? &pll1 : &osc1; |
Haavard Skinnemoen | 7a5fe23 | 2007-02-16 13:14:33 +0100 | [diff] [blame] | 449 | else |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 450 | parent = (control & PM_BIT(PLLSEL)) ? &pll0 : &osc0; |
Haavard Skinnemoen | 7a5fe23 | 2007-02-16 13:14:33 +0100 | [diff] [blame] | 451 | |
| 452 | clk->parent = parent; |
| 453 | } |
| 454 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 455 | /* -------------------------------------------------------------------- |
| 456 | * System peripherals |
| 457 | * -------------------------------------------------------------------- */ |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 458 | static struct resource at32_pm0_resource[] = { |
| 459 | { |
| 460 | .start = 0xfff00000, |
| 461 | .end = 0xfff0007f, |
| 462 | .flags = IORESOURCE_MEM, |
| 463 | }, |
| 464 | IRQ(20), |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 465 | }; |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 466 | |
| 467 | static struct resource at32ap700x_rtc0_resource[] = { |
| 468 | { |
| 469 | .start = 0xfff00080, |
| 470 | .end = 0xfff000af, |
| 471 | .flags = IORESOURCE_MEM, |
| 472 | }, |
| 473 | IRQ(21), |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 474 | }; |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 475 | |
| 476 | static struct resource at32_wdt0_resource[] = { |
| 477 | { |
| 478 | .start = 0xfff000b0, |
Hans-Christian Egtvedt | 9797bed | 2007-10-30 14:29:50 +0100 | [diff] [blame] | 479 | .end = 0xfff000cf, |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 480 | .flags = IORESOURCE_MEM, |
| 481 | }, |
| 482 | }; |
| 483 | |
| 484 | static struct resource at32_eic0_resource[] = { |
| 485 | { |
| 486 | .start = 0xfff00100, |
| 487 | .end = 0xfff0013f, |
| 488 | .flags = IORESOURCE_MEM, |
| 489 | }, |
| 490 | IRQ(19), |
| 491 | }; |
| 492 | |
| 493 | DEFINE_DEV(at32_pm, 0); |
| 494 | DEFINE_DEV(at32ap700x_rtc, 0); |
| 495 | DEFINE_DEV(at32_wdt, 0); |
| 496 | DEFINE_DEV(at32_eic, 0); |
| 497 | |
| 498 | /* |
| 499 | * Peripheral clock for PM, RTC, WDT and EIC. PM will ensure that this |
| 500 | * is always running. |
| 501 | */ |
| 502 | static struct clk at32_pm_pclk = { |
Haavard Skinnemoen | 188ff65 | 2007-03-14 13:23:44 +0100 | [diff] [blame] | 503 | .name = "pclk", |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 504 | .dev = &at32_pm0_device.dev, |
Haavard Skinnemoen | 188ff65 | 2007-03-14 13:23:44 +0100 | [diff] [blame] | 505 | .parent = &pbb_clk, |
| 506 | .mode = pbb_clk_mode, |
| 507 | .get_rate = pbb_clk_get_rate, |
| 508 | .users = 1, |
| 509 | .index = 0, |
| 510 | }; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 511 | |
| 512 | static struct resource intc0_resource[] = { |
| 513 | PBMEM(0xfff00400), |
| 514 | }; |
| 515 | struct platform_device at32_intc0_device = { |
| 516 | .name = "intc", |
| 517 | .id = 0, |
| 518 | .resource = intc0_resource, |
| 519 | .num_resources = ARRAY_SIZE(intc0_resource), |
| 520 | }; |
| 521 | DEV_CLK(pclk, at32_intc0, pbb, 1); |
| 522 | |
| 523 | static struct clk ebi_clk = { |
| 524 | .name = "ebi", |
| 525 | .parent = &hsb_clk, |
| 526 | .mode = hsb_clk_mode, |
| 527 | .get_rate = hsb_clk_get_rate, |
| 528 | .users = 1, |
| 529 | }; |
| 530 | static struct clk hramc_clk = { |
| 531 | .name = "hramc", |
| 532 | .parent = &hsb_clk, |
| 533 | .mode = hsb_clk_mode, |
| 534 | .get_rate = hsb_clk_get_rate, |
| 535 | .users = 1, |
Haavard Skinnemoen | 188ff65 | 2007-03-14 13:23:44 +0100 | [diff] [blame] | 536 | .index = 3, |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 537 | }; |
| 538 | |
Haavard Skinnemoen | bc157b7 | 2006-09-25 23:32:16 -0700 | [diff] [blame] | 539 | static struct resource smc0_resource[] = { |
| 540 | PBMEM(0xfff03400), |
| 541 | }; |
| 542 | DEFINE_DEV(smc, 0); |
| 543 | DEV_CLK(pclk, smc0, pbb, 13); |
| 544 | DEV_CLK(mck, smc0, hsb, 0); |
| 545 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 546 | static struct platform_device pdc_device = { |
| 547 | .name = "pdc", |
| 548 | .id = 0, |
| 549 | }; |
| 550 | DEV_CLK(hclk, pdc, hsb, 4); |
| 551 | DEV_CLK(pclk, pdc, pba, 16); |
| 552 | |
| 553 | static struct clk pico_clk = { |
| 554 | .name = "pico", |
| 555 | .parent = &cpu_clk, |
| 556 | .mode = cpu_clk_mode, |
| 557 | .get_rate = cpu_clk_get_rate, |
| 558 | .users = 1, |
| 559 | }; |
| 560 | |
Haavard Skinnemoen | 2042c1c | 2007-10-22 17:42:35 +0200 | [diff] [blame] | 561 | static struct resource dmaca0_resource[] = { |
| 562 | { |
| 563 | .start = 0xff200000, |
| 564 | .end = 0xff20ffff, |
| 565 | .flags = IORESOURCE_MEM, |
| 566 | }, |
| 567 | IRQ(2), |
| 568 | }; |
| 569 | DEFINE_DEV(dmaca, 0); |
| 570 | DEV_CLK(hclk, dmaca0, hsb, 10); |
| 571 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 572 | /* -------------------------------------------------------------------- |
Haavard Skinnemoen | 9c8f8e7 | 2007-02-01 16:34:10 +0100 | [diff] [blame] | 573 | * HMATRIX |
| 574 | * -------------------------------------------------------------------- */ |
| 575 | |
| 576 | static struct clk hmatrix_clk = { |
| 577 | .name = "hmatrix_clk", |
| 578 | .parent = &pbb_clk, |
| 579 | .mode = pbb_clk_mode, |
| 580 | .get_rate = pbb_clk_get_rate, |
| 581 | .index = 2, |
| 582 | .users = 1, |
| 583 | }; |
| 584 | #define HMATRIX_BASE ((void __iomem *)0xfff00800) |
| 585 | |
| 586 | #define hmatrix_readl(reg) \ |
| 587 | __raw_readl((HMATRIX_BASE) + HMATRIX_##reg) |
| 588 | #define hmatrix_writel(reg,value) \ |
| 589 | __raw_writel((value), (HMATRIX_BASE) + HMATRIX_##reg) |
| 590 | |
| 591 | /* |
| 592 | * Set bits in the HMATRIX Special Function Register (SFR) used by the |
| 593 | * External Bus Interface (EBI). This can be used to enable special |
| 594 | * features like CompactFlash support, NAND Flash support, etc. on |
| 595 | * certain chipselects. |
| 596 | */ |
| 597 | static inline void set_ebi_sfr_bits(u32 mask) |
| 598 | { |
| 599 | u32 sfr; |
| 600 | |
| 601 | clk_enable(&hmatrix_clk); |
| 602 | sfr = hmatrix_readl(SFR4); |
| 603 | sfr |= mask; |
| 604 | hmatrix_writel(SFR4, sfr); |
| 605 | clk_disable(&hmatrix_clk); |
| 606 | } |
| 607 | |
| 608 | /* -------------------------------------------------------------------- |
David Brownell | e723ff6 | 2008-02-14 11:24:02 -0800 | [diff] [blame^] | 609 | * Timer/Counter (TC) |
Hans-Christian Egtvedt | 7760989 | 2007-03-12 18:15:16 +0100 | [diff] [blame] | 610 | * -------------------------------------------------------------------- */ |
David Brownell | e723ff6 | 2008-02-14 11:24:02 -0800 | [diff] [blame^] | 611 | |
| 612 | static struct resource at32_tcb0_resource[] = { |
Hans-Christian Egtvedt | 7760989 | 2007-03-12 18:15:16 +0100 | [diff] [blame] | 613 | PBMEM(0xfff00c00), |
| 614 | IRQ(22), |
| 615 | }; |
David Brownell | e723ff6 | 2008-02-14 11:24:02 -0800 | [diff] [blame^] | 616 | static struct platform_device at32_tcb0_device = { |
| 617 | .name = "atmel_tcb", |
Hans-Christian Egtvedt | 7760989 | 2007-03-12 18:15:16 +0100 | [diff] [blame] | 618 | .id = 0, |
David Brownell | e723ff6 | 2008-02-14 11:24:02 -0800 | [diff] [blame^] | 619 | .resource = at32_tcb0_resource, |
| 620 | .num_resources = ARRAY_SIZE(at32_tcb0_resource), |
Hans-Christian Egtvedt | 7760989 | 2007-03-12 18:15:16 +0100 | [diff] [blame] | 621 | }; |
David Brownell | e723ff6 | 2008-02-14 11:24:02 -0800 | [diff] [blame^] | 622 | DEV_CLK(t0_clk, at32_tcb0, pbb, 3); |
| 623 | |
| 624 | static struct resource at32_tcb1_resource[] = { |
| 625 | PBMEM(0xfff01000), |
| 626 | IRQ(23), |
| 627 | }; |
| 628 | static struct platform_device at32_tcb1_device = { |
| 629 | .name = "atmel_tcb", |
| 630 | .id = 1, |
| 631 | .resource = at32_tcb1_resource, |
| 632 | .num_resources = ARRAY_SIZE(at32_tcb1_resource), |
| 633 | }; |
| 634 | DEV_CLK(t0_clk, at32_tcb1, pbb, 4); |
Hans-Christian Egtvedt | 7760989 | 2007-03-12 18:15:16 +0100 | [diff] [blame] | 635 | |
| 636 | /* -------------------------------------------------------------------- |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 637 | * PIO |
| 638 | * -------------------------------------------------------------------- */ |
| 639 | |
| 640 | static struct resource pio0_resource[] = { |
| 641 | PBMEM(0xffe02800), |
| 642 | IRQ(13), |
| 643 | }; |
| 644 | DEFINE_DEV(pio, 0); |
| 645 | DEV_CLK(mck, pio0, pba, 10); |
| 646 | |
| 647 | static struct resource pio1_resource[] = { |
| 648 | PBMEM(0xffe02c00), |
| 649 | IRQ(14), |
| 650 | }; |
| 651 | DEFINE_DEV(pio, 1); |
| 652 | DEV_CLK(mck, pio1, pba, 11); |
| 653 | |
| 654 | static struct resource pio2_resource[] = { |
| 655 | PBMEM(0xffe03000), |
| 656 | IRQ(15), |
| 657 | }; |
| 658 | DEFINE_DEV(pio, 2); |
| 659 | DEV_CLK(mck, pio2, pba, 12); |
| 660 | |
| 661 | static struct resource pio3_resource[] = { |
| 662 | PBMEM(0xffe03400), |
| 663 | IRQ(16), |
| 664 | }; |
| 665 | DEFINE_DEV(pio, 3); |
| 666 | DEV_CLK(mck, pio3, pba, 13); |
| 667 | |
Haavard Skinnemoen | 7f9f467 | 2007-01-30 11:16:16 +0100 | [diff] [blame] | 668 | static struct resource pio4_resource[] = { |
| 669 | PBMEM(0xffe03800), |
| 670 | IRQ(17), |
| 671 | }; |
| 672 | DEFINE_DEV(pio, 4); |
| 673 | DEV_CLK(mck, pio4, pba, 14); |
| 674 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 675 | void __init at32_add_system_devices(void) |
| 676 | { |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 677 | platform_device_register(&at32_pm0_device); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 678 | platform_device_register(&at32_intc0_device); |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 679 | platform_device_register(&at32ap700x_rtc0_device); |
| 680 | platform_device_register(&at32_wdt0_device); |
| 681 | platform_device_register(&at32_eic0_device); |
Haavard Skinnemoen | bc157b7 | 2006-09-25 23:32:16 -0700 | [diff] [blame] | 682 | platform_device_register(&smc0_device); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 683 | platform_device_register(&pdc_device); |
Haavard Skinnemoen | 2042c1c | 2007-10-22 17:42:35 +0200 | [diff] [blame] | 684 | platform_device_register(&dmaca0_device); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 685 | |
David Brownell | e723ff6 | 2008-02-14 11:24:02 -0800 | [diff] [blame^] | 686 | platform_device_register(&at32_tcb0_device); |
| 687 | platform_device_register(&at32_tcb1_device); |
Hans-Christian Egtvedt | 7760989 | 2007-03-12 18:15:16 +0100 | [diff] [blame] | 688 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 689 | platform_device_register(&pio0_device); |
| 690 | platform_device_register(&pio1_device); |
| 691 | platform_device_register(&pio2_device); |
| 692 | platform_device_register(&pio3_device); |
Haavard Skinnemoen | 7f9f467 | 2007-01-30 11:16:16 +0100 | [diff] [blame] | 693 | platform_device_register(&pio4_device); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 694 | } |
| 695 | |
| 696 | /* -------------------------------------------------------------------- |
| 697 | * USART |
| 698 | * -------------------------------------------------------------------- */ |
| 699 | |
Haavard Skinnemoen | 75d3521 | 2006-10-04 16:02:08 +0200 | [diff] [blame] | 700 | static struct atmel_uart_data atmel_usart0_data = { |
| 701 | .use_dma_tx = 1, |
| 702 | .use_dma_rx = 1, |
| 703 | }; |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 704 | static struct resource atmel_usart0_resource[] = { |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 705 | PBMEM(0xffe00c00), |
David Brownell | a3d912c8 | 2007-01-23 20:14:02 -0800 | [diff] [blame] | 706 | IRQ(6), |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 707 | }; |
Haavard Skinnemoen | 75d3521 | 2006-10-04 16:02:08 +0200 | [diff] [blame] | 708 | DEFINE_DEV_DATA(atmel_usart, 0); |
ben.nizette@iinet.net.au | 80f76c5 | 2007-11-07 16:16:22 +0900 | [diff] [blame] | 709 | DEV_CLK(usart, atmel_usart0, pba, 3); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 710 | |
Haavard Skinnemoen | 75d3521 | 2006-10-04 16:02:08 +0200 | [diff] [blame] | 711 | static struct atmel_uart_data atmel_usart1_data = { |
| 712 | .use_dma_tx = 1, |
| 713 | .use_dma_rx = 1, |
| 714 | }; |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 715 | static struct resource atmel_usart1_resource[] = { |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 716 | PBMEM(0xffe01000), |
| 717 | IRQ(7), |
| 718 | }; |
Haavard Skinnemoen | 75d3521 | 2006-10-04 16:02:08 +0200 | [diff] [blame] | 719 | DEFINE_DEV_DATA(atmel_usart, 1); |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 720 | DEV_CLK(usart, atmel_usart1, pba, 4); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 721 | |
Haavard Skinnemoen | 75d3521 | 2006-10-04 16:02:08 +0200 | [diff] [blame] | 722 | static struct atmel_uart_data atmel_usart2_data = { |
| 723 | .use_dma_tx = 1, |
| 724 | .use_dma_rx = 1, |
| 725 | }; |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 726 | static struct resource atmel_usart2_resource[] = { |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 727 | PBMEM(0xffe01400), |
| 728 | IRQ(8), |
| 729 | }; |
Haavard Skinnemoen | 75d3521 | 2006-10-04 16:02:08 +0200 | [diff] [blame] | 730 | DEFINE_DEV_DATA(atmel_usart, 2); |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 731 | DEV_CLK(usart, atmel_usart2, pba, 5); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 732 | |
Haavard Skinnemoen | 75d3521 | 2006-10-04 16:02:08 +0200 | [diff] [blame] | 733 | static struct atmel_uart_data atmel_usart3_data = { |
| 734 | .use_dma_tx = 1, |
| 735 | .use_dma_rx = 1, |
| 736 | }; |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 737 | static struct resource atmel_usart3_resource[] = { |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 738 | PBMEM(0xffe01800), |
| 739 | IRQ(9), |
| 740 | }; |
Haavard Skinnemoen | 75d3521 | 2006-10-04 16:02:08 +0200 | [diff] [blame] | 741 | DEFINE_DEV_DATA(atmel_usart, 3); |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 742 | DEV_CLK(usart, atmel_usart3, pba, 6); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 743 | |
| 744 | static inline void configure_usart0_pins(void) |
| 745 | { |
Haavard Skinnemoen | c3e2a79 | 2006-12-04 13:46:52 +0100 | [diff] [blame] | 746 | select_peripheral(PA(8), PERIPH_B, 0); /* RXD */ |
| 747 | select_peripheral(PA(9), PERIPH_B, 0); /* TXD */ |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 748 | } |
| 749 | |
| 750 | static inline void configure_usart1_pins(void) |
| 751 | { |
Haavard Skinnemoen | c3e2a79 | 2006-12-04 13:46:52 +0100 | [diff] [blame] | 752 | select_peripheral(PA(17), PERIPH_A, 0); /* RXD */ |
| 753 | select_peripheral(PA(18), PERIPH_A, 0); /* TXD */ |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 754 | } |
| 755 | |
| 756 | static inline void configure_usart2_pins(void) |
| 757 | { |
Haavard Skinnemoen | c3e2a79 | 2006-12-04 13:46:52 +0100 | [diff] [blame] | 758 | select_peripheral(PB(26), PERIPH_B, 0); /* RXD */ |
| 759 | select_peripheral(PB(27), PERIPH_B, 0); /* TXD */ |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 760 | } |
| 761 | |
| 762 | static inline void configure_usart3_pins(void) |
| 763 | { |
Haavard Skinnemoen | c3e2a79 | 2006-12-04 13:46:52 +0100 | [diff] [blame] | 764 | select_peripheral(PB(18), PERIPH_B, 0); /* RXD */ |
| 765 | select_peripheral(PB(17), PERIPH_B, 0); /* TXD */ |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 766 | } |
| 767 | |
David Brownell | a3d912c8 | 2007-01-23 20:14:02 -0800 | [diff] [blame] | 768 | static struct platform_device *__initdata at32_usarts[4]; |
Haavard Skinnemoen | c194588d | 2006-10-04 16:02:10 +0200 | [diff] [blame] | 769 | |
| 770 | void __init at32_map_usart(unsigned int hw_id, unsigned int line) |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 771 | { |
| 772 | struct platform_device *pdev; |
| 773 | |
Haavard Skinnemoen | c194588d | 2006-10-04 16:02:10 +0200 | [diff] [blame] | 774 | switch (hw_id) { |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 775 | case 0: |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 776 | pdev = &atmel_usart0_device; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 777 | configure_usart0_pins(); |
| 778 | break; |
| 779 | case 1: |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 780 | pdev = &atmel_usart1_device; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 781 | configure_usart1_pins(); |
| 782 | break; |
| 783 | case 2: |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 784 | pdev = &atmel_usart2_device; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 785 | configure_usart2_pins(); |
| 786 | break; |
| 787 | case 3: |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 788 | pdev = &atmel_usart3_device; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 789 | configure_usart3_pins(); |
| 790 | break; |
| 791 | default: |
Haavard Skinnemoen | c194588d | 2006-10-04 16:02:10 +0200 | [diff] [blame] | 792 | return; |
Haavard Skinnemoen | 75d3521 | 2006-10-04 16:02:08 +0200 | [diff] [blame] | 793 | } |
| 794 | |
| 795 | if (PXSEG(pdev->resource[0].start) == P4SEG) { |
| 796 | /* Addresses in the P4 segment are permanently mapped 1:1 */ |
| 797 | struct atmel_uart_data *data = pdev->dev.platform_data; |
| 798 | data->regs = (void __iomem *)pdev->resource[0].start; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 799 | } |
| 800 | |
Haavard Skinnemoen | c194588d | 2006-10-04 16:02:10 +0200 | [diff] [blame] | 801 | pdev->id = line; |
| 802 | at32_usarts[line] = pdev; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 803 | } |
| 804 | |
| 805 | struct platform_device *__init at32_add_device_usart(unsigned int id) |
| 806 | { |
Haavard Skinnemoen | c194588d | 2006-10-04 16:02:10 +0200 | [diff] [blame] | 807 | platform_device_register(at32_usarts[id]); |
| 808 | return at32_usarts[id]; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 809 | } |
| 810 | |
Haavard Skinnemoen | 73e2798 | 2006-10-04 16:02:04 +0200 | [diff] [blame] | 811 | struct platform_device *atmel_default_console_device; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 812 | |
| 813 | void __init at32_setup_serial_console(unsigned int usart_id) |
| 814 | { |
Haavard Skinnemoen | c194588d | 2006-10-04 16:02:10 +0200 | [diff] [blame] | 815 | atmel_default_console_device = at32_usarts[usart_id]; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 816 | } |
| 817 | |
| 818 | /* -------------------------------------------------------------------- |
| 819 | * Ethernet |
| 820 | * -------------------------------------------------------------------- */ |
| 821 | |
Haavard Skinnemoen | 438ff3f | 2007-10-29 15:28:07 +0100 | [diff] [blame] | 822 | #ifdef CONFIG_CPU_AT32AP7000 |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 823 | static struct eth_platform_data macb0_data; |
| 824 | static struct resource macb0_resource[] = { |
| 825 | PBMEM(0xfff01800), |
| 826 | IRQ(25), |
| 827 | }; |
| 828 | DEFINE_DEV_DATA(macb, 0); |
| 829 | DEV_CLK(hclk, macb0, hsb, 8); |
| 830 | DEV_CLK(pclk, macb0, pbb, 6); |
| 831 | |
Haavard Skinnemoen | cfcb3a8 | 2006-10-30 09:23:12 +0100 | [diff] [blame] | 832 | static struct eth_platform_data macb1_data; |
| 833 | static struct resource macb1_resource[] = { |
| 834 | PBMEM(0xfff01c00), |
| 835 | IRQ(26), |
| 836 | }; |
| 837 | DEFINE_DEV_DATA(macb, 1); |
| 838 | DEV_CLK(hclk, macb1, hsb, 9); |
| 839 | DEV_CLK(pclk, macb1, pbb, 7); |
| 840 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 841 | struct platform_device *__init |
| 842 | at32_add_device_eth(unsigned int id, struct eth_platform_data *data) |
| 843 | { |
| 844 | struct platform_device *pdev; |
| 845 | |
| 846 | switch (id) { |
| 847 | case 0: |
| 848 | pdev = &macb0_device; |
| 849 | |
Haavard Skinnemoen | c3e2a79 | 2006-12-04 13:46:52 +0100 | [diff] [blame] | 850 | select_peripheral(PC(3), PERIPH_A, 0); /* TXD0 */ |
| 851 | select_peripheral(PC(4), PERIPH_A, 0); /* TXD1 */ |
| 852 | select_peripheral(PC(7), PERIPH_A, 0); /* TXEN */ |
| 853 | select_peripheral(PC(8), PERIPH_A, 0); /* TXCK */ |
| 854 | select_peripheral(PC(9), PERIPH_A, 0); /* RXD0 */ |
| 855 | select_peripheral(PC(10), PERIPH_A, 0); /* RXD1 */ |
| 856 | select_peripheral(PC(13), PERIPH_A, 0); /* RXER */ |
| 857 | select_peripheral(PC(15), PERIPH_A, 0); /* RXDV */ |
| 858 | select_peripheral(PC(16), PERIPH_A, 0); /* MDC */ |
| 859 | select_peripheral(PC(17), PERIPH_A, 0); /* MDIO */ |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 860 | |
| 861 | if (!data->is_rmii) { |
Haavard Skinnemoen | c3e2a79 | 2006-12-04 13:46:52 +0100 | [diff] [blame] | 862 | select_peripheral(PC(0), PERIPH_A, 0); /* COL */ |
| 863 | select_peripheral(PC(1), PERIPH_A, 0); /* CRS */ |
| 864 | select_peripheral(PC(2), PERIPH_A, 0); /* TXER */ |
| 865 | select_peripheral(PC(5), PERIPH_A, 0); /* TXD2 */ |
| 866 | select_peripheral(PC(6), PERIPH_A, 0); /* TXD3 */ |
| 867 | select_peripheral(PC(11), PERIPH_A, 0); /* RXD2 */ |
| 868 | select_peripheral(PC(12), PERIPH_A, 0); /* RXD3 */ |
| 869 | select_peripheral(PC(14), PERIPH_A, 0); /* RXCK */ |
| 870 | select_peripheral(PC(18), PERIPH_A, 0); /* SPD */ |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 871 | } |
| 872 | break; |
| 873 | |
Haavard Skinnemoen | cfcb3a8 | 2006-10-30 09:23:12 +0100 | [diff] [blame] | 874 | case 1: |
| 875 | pdev = &macb1_device; |
| 876 | |
| 877 | select_peripheral(PD(13), PERIPH_B, 0); /* TXD0 */ |
| 878 | select_peripheral(PD(14), PERIPH_B, 0); /* TXD1 */ |
| 879 | select_peripheral(PD(11), PERIPH_B, 0); /* TXEN */ |
| 880 | select_peripheral(PD(12), PERIPH_B, 0); /* TXCK */ |
| 881 | select_peripheral(PD(10), PERIPH_B, 0); /* RXD0 */ |
| 882 | select_peripheral(PD(6), PERIPH_B, 0); /* RXD1 */ |
| 883 | select_peripheral(PD(5), PERIPH_B, 0); /* RXER */ |
| 884 | select_peripheral(PD(4), PERIPH_B, 0); /* RXDV */ |
| 885 | select_peripheral(PD(3), PERIPH_B, 0); /* MDC */ |
| 886 | select_peripheral(PD(2), PERIPH_B, 0); /* MDIO */ |
| 887 | |
| 888 | if (!data->is_rmii) { |
| 889 | select_peripheral(PC(19), PERIPH_B, 0); /* COL */ |
| 890 | select_peripheral(PC(23), PERIPH_B, 0); /* CRS */ |
| 891 | select_peripheral(PC(26), PERIPH_B, 0); /* TXER */ |
| 892 | select_peripheral(PC(27), PERIPH_B, 0); /* TXD2 */ |
| 893 | select_peripheral(PC(28), PERIPH_B, 0); /* TXD3 */ |
| 894 | select_peripheral(PC(29), PERIPH_B, 0); /* RXD2 */ |
| 895 | select_peripheral(PC(30), PERIPH_B, 0); /* RXD3 */ |
| 896 | select_peripheral(PC(24), PERIPH_B, 0); /* RXCK */ |
| 897 | select_peripheral(PD(15), PERIPH_B, 0); /* SPD */ |
| 898 | } |
| 899 | break; |
| 900 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 901 | default: |
| 902 | return NULL; |
| 903 | } |
| 904 | |
| 905 | memcpy(pdev->dev.platform_data, data, sizeof(struct eth_platform_data)); |
| 906 | platform_device_register(pdev); |
| 907 | |
| 908 | return pdev; |
| 909 | } |
Haavard Skinnemoen | 438ff3f | 2007-10-29 15:28:07 +0100 | [diff] [blame] | 910 | #endif |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 911 | |
| 912 | /* -------------------------------------------------------------------- |
| 913 | * SPI |
| 914 | * -------------------------------------------------------------------- */ |
Haavard Skinnemoen | 3d60ee1 | 2007-01-10 20:20:02 +0100 | [diff] [blame] | 915 | static struct resource atmel_spi0_resource[] = { |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 916 | PBMEM(0xffe00000), |
| 917 | IRQ(3), |
| 918 | }; |
Haavard Skinnemoen | 3d60ee1 | 2007-01-10 20:20:02 +0100 | [diff] [blame] | 919 | DEFINE_DEV(atmel_spi, 0); |
| 920 | DEV_CLK(spi_clk, atmel_spi0, pba, 0); |
| 921 | |
| 922 | static struct resource atmel_spi1_resource[] = { |
| 923 | PBMEM(0xffe00400), |
| 924 | IRQ(4), |
| 925 | }; |
| 926 | DEFINE_DEV(atmel_spi, 1); |
| 927 | DEV_CLK(spi_clk, atmel_spi1, pba, 1); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 928 | |
Haavard Skinnemoen | 9a596a6 | 2007-02-19 10:38:04 +0100 | [diff] [blame] | 929 | static void __init |
Haavard Skinnemoen | 41d8ca4 | 2007-02-16 13:56:11 +0100 | [diff] [blame] | 930 | at32_spi_setup_slaves(unsigned int bus_num, struct spi_board_info *b, |
| 931 | unsigned int n, const u8 *pins) |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 932 | { |
Haavard Skinnemoen | 41d8ca4 | 2007-02-16 13:56:11 +0100 | [diff] [blame] | 933 | unsigned int pin, mode; |
| 934 | |
| 935 | for (; n; n--, b++) { |
| 936 | b->bus_num = bus_num; |
| 937 | if (b->chip_select >= 4) |
| 938 | continue; |
| 939 | pin = (unsigned)b->controller_data; |
| 940 | if (!pin) { |
| 941 | pin = pins[b->chip_select]; |
| 942 | b->controller_data = (void *)pin; |
| 943 | } |
| 944 | mode = AT32_GPIOF_OUTPUT; |
| 945 | if (!(b->mode & SPI_CS_HIGH)) |
| 946 | mode |= AT32_GPIOF_HIGH; |
| 947 | at32_select_gpio(pin, mode); |
| 948 | } |
| 949 | } |
| 950 | |
| 951 | struct platform_device *__init |
| 952 | at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n) |
| 953 | { |
| 954 | /* |
| 955 | * Manage the chipselects as GPIOs, normally using the same pins |
| 956 | * the SPI controller expects; but boards can use other pins. |
| 957 | */ |
| 958 | static u8 __initdata spi0_pins[] = |
| 959 | { GPIO_PIN_PA(3), GPIO_PIN_PA(4), |
| 960 | GPIO_PIN_PA(5), GPIO_PIN_PA(20), }; |
| 961 | static u8 __initdata spi1_pins[] = |
| 962 | { GPIO_PIN_PB(2), GPIO_PIN_PB(3), |
| 963 | GPIO_PIN_PB(4), GPIO_PIN_PA(27), }; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 964 | struct platform_device *pdev; |
| 965 | |
| 966 | switch (id) { |
| 967 | case 0: |
Haavard Skinnemoen | 3d60ee1 | 2007-01-10 20:20:02 +0100 | [diff] [blame] | 968 | pdev = &atmel_spi0_device; |
Haavard Skinnemoen | c3e2a79 | 2006-12-04 13:46:52 +0100 | [diff] [blame] | 969 | select_peripheral(PA(0), PERIPH_A, 0); /* MISO */ |
| 970 | select_peripheral(PA(1), PERIPH_A, 0); /* MOSI */ |
| 971 | select_peripheral(PA(2), PERIPH_A, 0); /* SCK */ |
Haavard Skinnemoen | 41d8ca4 | 2007-02-16 13:56:11 +0100 | [diff] [blame] | 972 | at32_spi_setup_slaves(0, b, n, spi0_pins); |
Haavard Skinnemoen | 3d60ee1 | 2007-01-10 20:20:02 +0100 | [diff] [blame] | 973 | break; |
| 974 | |
| 975 | case 1: |
| 976 | pdev = &atmel_spi1_device; |
| 977 | select_peripheral(PB(0), PERIPH_B, 0); /* MISO */ |
| 978 | select_peripheral(PB(1), PERIPH_B, 0); /* MOSI */ |
| 979 | select_peripheral(PB(5), PERIPH_B, 0); /* SCK */ |
Haavard Skinnemoen | 41d8ca4 | 2007-02-16 13:56:11 +0100 | [diff] [blame] | 980 | at32_spi_setup_slaves(1, b, n, spi1_pins); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 981 | break; |
| 982 | |
| 983 | default: |
| 984 | return NULL; |
| 985 | } |
| 986 | |
Haavard Skinnemoen | 41d8ca4 | 2007-02-16 13:56:11 +0100 | [diff] [blame] | 987 | spi_register_board_info(b, n); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 988 | platform_device_register(pdev); |
| 989 | return pdev; |
| 990 | } |
| 991 | |
| 992 | /* -------------------------------------------------------------------- |
Haavard Skinnemoen | 2042c1c | 2007-10-22 17:42:35 +0200 | [diff] [blame] | 993 | * TWI |
| 994 | * -------------------------------------------------------------------- */ |
| 995 | static struct resource atmel_twi0_resource[] __initdata = { |
| 996 | PBMEM(0xffe00800), |
| 997 | IRQ(5), |
| 998 | }; |
| 999 | static struct clk atmel_twi0_pclk = { |
| 1000 | .name = "twi_pclk", |
| 1001 | .parent = &pba_clk, |
| 1002 | .mode = pba_clk_mode, |
| 1003 | .get_rate = pba_clk_get_rate, |
| 1004 | .index = 2, |
| 1005 | }; |
| 1006 | |
Ben Nizette | 040b28f | 2008-02-07 15:28:57 +1100 | [diff] [blame] | 1007 | struct platform_device *__init at32_add_device_twi(unsigned int id, |
| 1008 | struct i2c_board_info *b, |
| 1009 | unsigned int n) |
Haavard Skinnemoen | 2042c1c | 2007-10-22 17:42:35 +0200 | [diff] [blame] | 1010 | { |
| 1011 | struct platform_device *pdev; |
| 1012 | |
| 1013 | if (id != 0) |
| 1014 | return NULL; |
| 1015 | |
| 1016 | pdev = platform_device_alloc("atmel_twi", id); |
| 1017 | if (!pdev) |
| 1018 | return NULL; |
| 1019 | |
| 1020 | if (platform_device_add_resources(pdev, atmel_twi0_resource, |
| 1021 | ARRAY_SIZE(atmel_twi0_resource))) |
| 1022 | goto err_add_resources; |
| 1023 | |
| 1024 | select_peripheral(PA(6), PERIPH_A, 0); /* SDA */ |
| 1025 | select_peripheral(PA(7), PERIPH_A, 0); /* SDL */ |
| 1026 | |
| 1027 | atmel_twi0_pclk.dev = &pdev->dev; |
| 1028 | |
Ben Nizette | 040b28f | 2008-02-07 15:28:57 +1100 | [diff] [blame] | 1029 | if (b) |
| 1030 | i2c_register_board_info(id, b, n); |
| 1031 | |
Haavard Skinnemoen | 2042c1c | 2007-10-22 17:42:35 +0200 | [diff] [blame] | 1032 | platform_device_add(pdev); |
| 1033 | return pdev; |
| 1034 | |
| 1035 | err_add_resources: |
| 1036 | platform_device_put(pdev); |
| 1037 | return NULL; |
| 1038 | } |
| 1039 | |
| 1040 | /* -------------------------------------------------------------------- |
| 1041 | * MMC |
| 1042 | * -------------------------------------------------------------------- */ |
| 1043 | static struct resource atmel_mci0_resource[] __initdata = { |
| 1044 | PBMEM(0xfff02400), |
| 1045 | IRQ(28), |
| 1046 | }; |
| 1047 | static struct clk atmel_mci0_pclk = { |
| 1048 | .name = "mci_clk", |
| 1049 | .parent = &pbb_clk, |
| 1050 | .mode = pbb_clk_mode, |
| 1051 | .get_rate = pbb_clk_get_rate, |
| 1052 | .index = 9, |
| 1053 | }; |
| 1054 | |
| 1055 | struct platform_device *__init at32_add_device_mci(unsigned int id) |
| 1056 | { |
| 1057 | struct platform_device *pdev; |
| 1058 | |
| 1059 | if (id != 0) |
| 1060 | return NULL; |
| 1061 | |
| 1062 | pdev = platform_device_alloc("atmel_mci", id); |
| 1063 | if (!pdev) |
| 1064 | return NULL; |
| 1065 | |
| 1066 | if (platform_device_add_resources(pdev, atmel_mci0_resource, |
| 1067 | ARRAY_SIZE(atmel_mci0_resource))) |
| 1068 | goto err_add_resources; |
| 1069 | |
| 1070 | select_peripheral(PA(10), PERIPH_A, 0); /* CLK */ |
| 1071 | select_peripheral(PA(11), PERIPH_A, 0); /* CMD */ |
| 1072 | select_peripheral(PA(12), PERIPH_A, 0); /* DATA0 */ |
| 1073 | select_peripheral(PA(13), PERIPH_A, 0); /* DATA1 */ |
| 1074 | select_peripheral(PA(14), PERIPH_A, 0); /* DATA2 */ |
| 1075 | select_peripheral(PA(15), PERIPH_A, 0); /* DATA3 */ |
| 1076 | |
| 1077 | atmel_mci0_pclk.dev = &pdev->dev; |
| 1078 | |
| 1079 | platform_device_add(pdev); |
| 1080 | return pdev; |
| 1081 | |
| 1082 | err_add_resources: |
| 1083 | platform_device_put(pdev); |
| 1084 | return NULL; |
| 1085 | } |
| 1086 | |
| 1087 | /* -------------------------------------------------------------------- |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1088 | * LCDC |
| 1089 | * -------------------------------------------------------------------- */ |
Haavard Skinnemoen | 438ff3f | 2007-10-29 15:28:07 +0100 | [diff] [blame] | 1090 | #if defined(CONFIG_CPU_AT32AP7000) || defined(CONFIG_CPU_AT32AP7002) |
Haavard Skinnemoen | d0a2b7a | 2007-03-21 18:08:49 +0100 | [diff] [blame] | 1091 | static struct atmel_lcdfb_info atmel_lcdfb0_data; |
| 1092 | static struct resource atmel_lcdfb0_resource[] = { |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1093 | { |
| 1094 | .start = 0xff000000, |
| 1095 | .end = 0xff000fff, |
| 1096 | .flags = IORESOURCE_MEM, |
| 1097 | }, |
| 1098 | IRQ(1), |
Haavard Skinnemoen | d0a2b7a | 2007-03-21 18:08:49 +0100 | [diff] [blame] | 1099 | { |
| 1100 | /* Placeholder for pre-allocated fb memory */ |
| 1101 | .start = 0x00000000, |
| 1102 | .end = 0x00000000, |
| 1103 | .flags = 0, |
| 1104 | }, |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1105 | }; |
Haavard Skinnemoen | d0a2b7a | 2007-03-21 18:08:49 +0100 | [diff] [blame] | 1106 | DEFINE_DEV_DATA(atmel_lcdfb, 0); |
| 1107 | DEV_CLK(hck1, atmel_lcdfb0, hsb, 7); |
| 1108 | static struct clk atmel_lcdfb0_pixclk = { |
| 1109 | .name = "lcdc_clk", |
| 1110 | .dev = &atmel_lcdfb0_device.dev, |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1111 | .mode = genclk_mode, |
| 1112 | .get_rate = genclk_get_rate, |
| 1113 | .set_rate = genclk_set_rate, |
| 1114 | .set_parent = genclk_set_parent, |
| 1115 | .index = 7, |
| 1116 | }; |
| 1117 | |
| 1118 | struct platform_device *__init |
Haavard Skinnemoen | d0a2b7a | 2007-03-21 18:08:49 +0100 | [diff] [blame] | 1119 | at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data, |
| 1120 | unsigned long fbmem_start, unsigned long fbmem_len) |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1121 | { |
| 1122 | struct platform_device *pdev; |
Haavard Skinnemoen | d0a2b7a | 2007-03-21 18:08:49 +0100 | [diff] [blame] | 1123 | struct atmel_lcdfb_info *info; |
| 1124 | struct fb_monspecs *monspecs; |
| 1125 | struct fb_videomode *modedb; |
| 1126 | unsigned int modedb_size; |
| 1127 | |
| 1128 | /* |
| 1129 | * Do a deep copy of the fb data, monspecs and modedb. Make |
| 1130 | * sure all allocations are done before setting up the |
| 1131 | * portmux. |
| 1132 | */ |
| 1133 | monspecs = kmemdup(data->default_monspecs, |
| 1134 | sizeof(struct fb_monspecs), GFP_KERNEL); |
| 1135 | if (!monspecs) |
| 1136 | return NULL; |
| 1137 | |
| 1138 | modedb_size = sizeof(struct fb_videomode) * monspecs->modedb_len; |
| 1139 | modedb = kmemdup(monspecs->modedb, modedb_size, GFP_KERNEL); |
| 1140 | if (!modedb) |
| 1141 | goto err_dup_modedb; |
| 1142 | monspecs->modedb = modedb; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1143 | |
| 1144 | switch (id) { |
| 1145 | case 0: |
Haavard Skinnemoen | d0a2b7a | 2007-03-21 18:08:49 +0100 | [diff] [blame] | 1146 | pdev = &atmel_lcdfb0_device; |
Haavard Skinnemoen | c3e2a79 | 2006-12-04 13:46:52 +0100 | [diff] [blame] | 1147 | select_peripheral(PC(19), PERIPH_A, 0); /* CC */ |
| 1148 | select_peripheral(PC(20), PERIPH_A, 0); /* HSYNC */ |
| 1149 | select_peripheral(PC(21), PERIPH_A, 0); /* PCLK */ |
| 1150 | select_peripheral(PC(22), PERIPH_A, 0); /* VSYNC */ |
| 1151 | select_peripheral(PC(23), PERIPH_A, 0); /* DVAL */ |
| 1152 | select_peripheral(PC(24), PERIPH_A, 0); /* MODE */ |
| 1153 | select_peripheral(PC(25), PERIPH_A, 0); /* PWR */ |
| 1154 | select_peripheral(PC(26), PERIPH_A, 0); /* DATA0 */ |
| 1155 | select_peripheral(PC(27), PERIPH_A, 0); /* DATA1 */ |
| 1156 | select_peripheral(PC(28), PERIPH_A, 0); /* DATA2 */ |
| 1157 | select_peripheral(PC(29), PERIPH_A, 0); /* DATA3 */ |
| 1158 | select_peripheral(PC(30), PERIPH_A, 0); /* DATA4 */ |
| 1159 | select_peripheral(PC(31), PERIPH_A, 0); /* DATA5 */ |
| 1160 | select_peripheral(PD(0), PERIPH_A, 0); /* DATA6 */ |
| 1161 | select_peripheral(PD(1), PERIPH_A, 0); /* DATA7 */ |
| 1162 | select_peripheral(PD(2), PERIPH_A, 0); /* DATA8 */ |
| 1163 | select_peripheral(PD(3), PERIPH_A, 0); /* DATA9 */ |
| 1164 | select_peripheral(PD(4), PERIPH_A, 0); /* DATA10 */ |
| 1165 | select_peripheral(PD(5), PERIPH_A, 0); /* DATA11 */ |
| 1166 | select_peripheral(PD(6), PERIPH_A, 0); /* DATA12 */ |
| 1167 | select_peripheral(PD(7), PERIPH_A, 0); /* DATA13 */ |
| 1168 | select_peripheral(PD(8), PERIPH_A, 0); /* DATA14 */ |
| 1169 | select_peripheral(PD(9), PERIPH_A, 0); /* DATA15 */ |
| 1170 | select_peripheral(PD(10), PERIPH_A, 0); /* DATA16 */ |
| 1171 | select_peripheral(PD(11), PERIPH_A, 0); /* DATA17 */ |
| 1172 | select_peripheral(PD(12), PERIPH_A, 0); /* DATA18 */ |
| 1173 | select_peripheral(PD(13), PERIPH_A, 0); /* DATA19 */ |
| 1174 | select_peripheral(PD(14), PERIPH_A, 0); /* DATA20 */ |
| 1175 | select_peripheral(PD(15), PERIPH_A, 0); /* DATA21 */ |
| 1176 | select_peripheral(PD(16), PERIPH_A, 0); /* DATA22 */ |
| 1177 | select_peripheral(PD(17), PERIPH_A, 0); /* DATA23 */ |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1178 | |
Haavard Skinnemoen | d0a2b7a | 2007-03-21 18:08:49 +0100 | [diff] [blame] | 1179 | clk_set_parent(&atmel_lcdfb0_pixclk, &pll0); |
| 1180 | clk_set_rate(&atmel_lcdfb0_pixclk, clk_get_rate(&pll0)); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1181 | break; |
| 1182 | |
| 1183 | default: |
Haavard Skinnemoen | d0a2b7a | 2007-03-21 18:08:49 +0100 | [diff] [blame] | 1184 | goto err_invalid_id; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1185 | } |
| 1186 | |
Haavard Skinnemoen | d0a2b7a | 2007-03-21 18:08:49 +0100 | [diff] [blame] | 1187 | if (fbmem_len) { |
| 1188 | pdev->resource[2].start = fbmem_start; |
| 1189 | pdev->resource[2].end = fbmem_start + fbmem_len - 1; |
| 1190 | pdev->resource[2].flags = IORESOURCE_MEM; |
| 1191 | } |
| 1192 | |
| 1193 | info = pdev->dev.platform_data; |
| 1194 | memcpy(info, data, sizeof(struct atmel_lcdfb_info)); |
| 1195 | info->default_monspecs = monspecs; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1196 | |
| 1197 | platform_device_register(pdev); |
| 1198 | return pdev; |
Haavard Skinnemoen | d0a2b7a | 2007-03-21 18:08:49 +0100 | [diff] [blame] | 1199 | |
| 1200 | err_invalid_id: |
| 1201 | kfree(modedb); |
| 1202 | err_dup_modedb: |
| 1203 | kfree(monspecs); |
| 1204 | return NULL; |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1205 | } |
Haavard Skinnemoen | 438ff3f | 2007-10-29 15:28:07 +0100 | [diff] [blame] | 1206 | #endif |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1207 | |
Haavard Skinnemoen | 7a5fe23 | 2007-02-16 13:14:33 +0100 | [diff] [blame] | 1208 | /* -------------------------------------------------------------------- |
David Brownell | 9a1e8eb | 2008-02-08 04:21:21 -0800 | [diff] [blame] | 1209 | * PWM |
| 1210 | * -------------------------------------------------------------------- */ |
| 1211 | static struct resource atmel_pwm0_resource[] __initdata = { |
| 1212 | PBMEM(0xfff01400), |
| 1213 | IRQ(24), |
| 1214 | }; |
| 1215 | static struct clk atmel_pwm0_mck = { |
| 1216 | .name = "mck", |
| 1217 | .parent = &pbb_clk, |
| 1218 | .mode = pbb_clk_mode, |
| 1219 | .get_rate = pbb_clk_get_rate, |
| 1220 | .index = 5, |
| 1221 | }; |
| 1222 | |
| 1223 | struct platform_device *__init at32_add_device_pwm(u32 mask) |
| 1224 | { |
| 1225 | struct platform_device *pdev; |
| 1226 | |
| 1227 | if (!mask) |
| 1228 | return NULL; |
| 1229 | |
| 1230 | pdev = platform_device_alloc("atmel_pwm", 0); |
| 1231 | if (!pdev) |
| 1232 | return NULL; |
| 1233 | |
| 1234 | if (platform_device_add_resources(pdev, atmel_pwm0_resource, |
| 1235 | ARRAY_SIZE(atmel_pwm0_resource))) |
| 1236 | goto out_free_pdev; |
| 1237 | |
| 1238 | if (platform_device_add_data(pdev, &mask, sizeof(mask))) |
| 1239 | goto out_free_pdev; |
| 1240 | |
| 1241 | if (mask & (1 << 0)) |
| 1242 | select_peripheral(PA(28), PERIPH_A, 0); |
| 1243 | if (mask & (1 << 1)) |
| 1244 | select_peripheral(PA(29), PERIPH_A, 0); |
| 1245 | if (mask & (1 << 2)) |
| 1246 | select_peripheral(PA(21), PERIPH_B, 0); |
| 1247 | if (mask & (1 << 3)) |
| 1248 | select_peripheral(PA(22), PERIPH_B, 0); |
| 1249 | |
| 1250 | atmel_pwm0_mck.dev = &pdev->dev; |
| 1251 | |
| 1252 | platform_device_add(pdev); |
| 1253 | |
| 1254 | return pdev; |
| 1255 | |
| 1256 | out_free_pdev: |
| 1257 | platform_device_put(pdev); |
| 1258 | return NULL; |
| 1259 | } |
| 1260 | |
| 1261 | /* -------------------------------------------------------------------- |
Hans-Christian Egtvedt | 9cf6cf5 | 2007-07-06 14:31:55 +0200 | [diff] [blame] | 1262 | * SSC |
| 1263 | * -------------------------------------------------------------------- */ |
| 1264 | static struct resource ssc0_resource[] = { |
| 1265 | PBMEM(0xffe01c00), |
| 1266 | IRQ(10), |
| 1267 | }; |
| 1268 | DEFINE_DEV(ssc, 0); |
| 1269 | DEV_CLK(pclk, ssc0, pba, 7); |
| 1270 | |
| 1271 | static struct resource ssc1_resource[] = { |
| 1272 | PBMEM(0xffe02000), |
| 1273 | IRQ(11), |
| 1274 | }; |
| 1275 | DEFINE_DEV(ssc, 1); |
| 1276 | DEV_CLK(pclk, ssc1, pba, 8); |
| 1277 | |
| 1278 | static struct resource ssc2_resource[] = { |
| 1279 | PBMEM(0xffe02400), |
| 1280 | IRQ(12), |
| 1281 | }; |
| 1282 | DEFINE_DEV(ssc, 2); |
| 1283 | DEV_CLK(pclk, ssc2, pba, 9); |
| 1284 | |
| 1285 | struct platform_device *__init |
| 1286 | at32_add_device_ssc(unsigned int id, unsigned int flags) |
| 1287 | { |
| 1288 | struct platform_device *pdev; |
| 1289 | |
| 1290 | switch (id) { |
| 1291 | case 0: |
| 1292 | pdev = &ssc0_device; |
| 1293 | if (flags & ATMEL_SSC_RF) |
| 1294 | select_peripheral(PA(21), PERIPH_A, 0); /* RF */ |
| 1295 | if (flags & ATMEL_SSC_RK) |
| 1296 | select_peripheral(PA(22), PERIPH_A, 0); /* RK */ |
| 1297 | if (flags & ATMEL_SSC_TK) |
| 1298 | select_peripheral(PA(23), PERIPH_A, 0); /* TK */ |
| 1299 | if (flags & ATMEL_SSC_TF) |
| 1300 | select_peripheral(PA(24), PERIPH_A, 0); /* TF */ |
| 1301 | if (flags & ATMEL_SSC_TD) |
| 1302 | select_peripheral(PA(25), PERIPH_A, 0); /* TD */ |
| 1303 | if (flags & ATMEL_SSC_RD) |
| 1304 | select_peripheral(PA(26), PERIPH_A, 0); /* RD */ |
| 1305 | break; |
| 1306 | case 1: |
| 1307 | pdev = &ssc1_device; |
| 1308 | if (flags & ATMEL_SSC_RF) |
| 1309 | select_peripheral(PA(0), PERIPH_B, 0); /* RF */ |
| 1310 | if (flags & ATMEL_SSC_RK) |
| 1311 | select_peripheral(PA(1), PERIPH_B, 0); /* RK */ |
| 1312 | if (flags & ATMEL_SSC_TK) |
| 1313 | select_peripheral(PA(2), PERIPH_B, 0); /* TK */ |
| 1314 | if (flags & ATMEL_SSC_TF) |
| 1315 | select_peripheral(PA(3), PERIPH_B, 0); /* TF */ |
| 1316 | if (flags & ATMEL_SSC_TD) |
| 1317 | select_peripheral(PA(4), PERIPH_B, 0); /* TD */ |
| 1318 | if (flags & ATMEL_SSC_RD) |
| 1319 | select_peripheral(PA(5), PERIPH_B, 0); /* RD */ |
| 1320 | break; |
| 1321 | case 2: |
| 1322 | pdev = &ssc2_device; |
| 1323 | if (flags & ATMEL_SSC_TD) |
| 1324 | select_peripheral(PB(13), PERIPH_A, 0); /* TD */ |
| 1325 | if (flags & ATMEL_SSC_RD) |
| 1326 | select_peripheral(PB(14), PERIPH_A, 0); /* RD */ |
| 1327 | if (flags & ATMEL_SSC_TK) |
| 1328 | select_peripheral(PB(15), PERIPH_A, 0); /* TK */ |
| 1329 | if (flags & ATMEL_SSC_TF) |
| 1330 | select_peripheral(PB(16), PERIPH_A, 0); /* TF */ |
| 1331 | if (flags & ATMEL_SSC_RF) |
| 1332 | select_peripheral(PB(17), PERIPH_A, 0); /* RF */ |
| 1333 | if (flags & ATMEL_SSC_RK) |
| 1334 | select_peripheral(PB(18), PERIPH_A, 0); /* RK */ |
| 1335 | break; |
| 1336 | default: |
| 1337 | return NULL; |
| 1338 | } |
| 1339 | |
| 1340 | platform_device_register(pdev); |
| 1341 | return pdev; |
| 1342 | } |
| 1343 | |
| 1344 | /* -------------------------------------------------------------------- |
Haavard Skinnemoen | 6fcf061 | 2007-06-14 17:37:31 +0200 | [diff] [blame] | 1345 | * USB Device Controller |
| 1346 | * -------------------------------------------------------------------- */ |
| 1347 | static struct resource usba0_resource[] __initdata = { |
| 1348 | { |
| 1349 | .start = 0xff300000, |
| 1350 | .end = 0xff3fffff, |
| 1351 | .flags = IORESOURCE_MEM, |
| 1352 | }, { |
| 1353 | .start = 0xfff03000, |
| 1354 | .end = 0xfff033ff, |
| 1355 | .flags = IORESOURCE_MEM, |
| 1356 | }, |
| 1357 | IRQ(31), |
| 1358 | }; |
| 1359 | static struct clk usba0_pclk = { |
| 1360 | .name = "pclk", |
| 1361 | .parent = &pbb_clk, |
| 1362 | .mode = pbb_clk_mode, |
| 1363 | .get_rate = pbb_clk_get_rate, |
| 1364 | .index = 12, |
| 1365 | }; |
| 1366 | static struct clk usba0_hclk = { |
| 1367 | .name = "hclk", |
| 1368 | .parent = &hsb_clk, |
| 1369 | .mode = hsb_clk_mode, |
| 1370 | .get_rate = hsb_clk_get_rate, |
| 1371 | .index = 6, |
| 1372 | }; |
| 1373 | |
Stelian Pop | 8d85531 | 2008-03-05 00:00:00 +0100 | [diff] [blame] | 1374 | #define EP(nam, idx, maxpkt, maxbk, dma, isoc) \ |
| 1375 | [idx] = { \ |
| 1376 | .name = nam, \ |
| 1377 | .index = idx, \ |
| 1378 | .fifo_size = maxpkt, \ |
| 1379 | .nr_banks = maxbk, \ |
| 1380 | .can_dma = dma, \ |
| 1381 | .can_isoc = isoc, \ |
| 1382 | } |
| 1383 | |
| 1384 | static struct usba_ep_data at32_usba_ep[] __initdata = { |
| 1385 | EP("ep0", 0, 64, 1, 0, 0), |
| 1386 | EP("ep1", 1, 512, 2, 1, 1), |
| 1387 | EP("ep2", 2, 512, 2, 1, 1), |
| 1388 | EP("ep3-int", 3, 64, 3, 1, 0), |
| 1389 | EP("ep4-int", 4, 64, 3, 1, 0), |
| 1390 | EP("ep5", 5, 1024, 3, 1, 1), |
| 1391 | EP("ep6", 6, 1024, 3, 1, 1), |
| 1392 | }; |
| 1393 | |
| 1394 | #undef EP |
| 1395 | |
Haavard Skinnemoen | 6fcf061 | 2007-06-14 17:37:31 +0200 | [diff] [blame] | 1396 | struct platform_device *__init |
| 1397 | at32_add_device_usba(unsigned int id, struct usba_platform_data *data) |
| 1398 | { |
Stelian Pop | 8d85531 | 2008-03-05 00:00:00 +0100 | [diff] [blame] | 1399 | /* |
| 1400 | * pdata doesn't have room for any endpoints, so we need to |
| 1401 | * append room for the ones we need right after it. |
| 1402 | */ |
| 1403 | struct { |
| 1404 | struct usba_platform_data pdata; |
| 1405 | struct usba_ep_data ep[7]; |
| 1406 | } usba_data; |
Haavard Skinnemoen | 6fcf061 | 2007-06-14 17:37:31 +0200 | [diff] [blame] | 1407 | struct platform_device *pdev; |
| 1408 | |
| 1409 | if (id != 0) |
| 1410 | return NULL; |
| 1411 | |
| 1412 | pdev = platform_device_alloc("atmel_usba_udc", 0); |
| 1413 | if (!pdev) |
| 1414 | return NULL; |
| 1415 | |
| 1416 | if (platform_device_add_resources(pdev, usba0_resource, |
| 1417 | ARRAY_SIZE(usba0_resource))) |
| 1418 | goto out_free_pdev; |
| 1419 | |
Stelian Pop | 8d85531 | 2008-03-05 00:00:00 +0100 | [diff] [blame] | 1420 | if (data) |
| 1421 | usba_data.pdata.vbus_pin = data->vbus_pin; |
| 1422 | else |
| 1423 | usba_data.pdata.vbus_pin = -EINVAL; |
Haavard Skinnemoen | 6fcf061 | 2007-06-14 17:37:31 +0200 | [diff] [blame] | 1424 | |
Stelian Pop | 8d85531 | 2008-03-05 00:00:00 +0100 | [diff] [blame] | 1425 | data = &usba_data.pdata; |
| 1426 | data->num_ep = ARRAY_SIZE(at32_usba_ep); |
| 1427 | memcpy(data->ep, at32_usba_ep, sizeof(at32_usba_ep)); |
| 1428 | |
| 1429 | if (platform_device_add_data(pdev, data, sizeof(usba_data))) |
| 1430 | goto out_free_pdev; |
| 1431 | |
| 1432 | if (data->vbus_pin >= 0) |
| 1433 | at32_select_gpio(data->vbus_pin, 0); |
Haavard Skinnemoen | 6fcf061 | 2007-06-14 17:37:31 +0200 | [diff] [blame] | 1434 | |
| 1435 | usba0_pclk.dev = &pdev->dev; |
| 1436 | usba0_hclk.dev = &pdev->dev; |
| 1437 | |
| 1438 | platform_device_add(pdev); |
| 1439 | |
| 1440 | return pdev; |
| 1441 | |
| 1442 | out_free_pdev: |
| 1443 | platform_device_put(pdev); |
| 1444 | return NULL; |
| 1445 | } |
| 1446 | |
| 1447 | /* -------------------------------------------------------------------- |
Haavard Skinnemoen | eaf5f92 | 2007-10-22 18:32:14 +0200 | [diff] [blame] | 1448 | * IDE / CompactFlash |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1449 | * -------------------------------------------------------------------- */ |
Haavard Skinnemoen | 438ff3f | 2007-10-29 15:28:07 +0100 | [diff] [blame] | 1450 | #if defined(CONFIG_CPU_AT32AP7000) || defined(CONFIG_CPU_AT32AP7001) |
Haavard Skinnemoen | eaf5f92 | 2007-10-22 18:32:14 +0200 | [diff] [blame] | 1451 | static struct resource at32_smc_cs4_resource[] __initdata = { |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1452 | { |
| 1453 | .start = 0x04000000, |
| 1454 | .end = 0x07ffffff, |
| 1455 | .flags = IORESOURCE_MEM, |
| 1456 | }, |
| 1457 | IRQ(~0UL), /* Magic IRQ will be overridden */ |
| 1458 | }; |
Haavard Skinnemoen | eaf5f92 | 2007-10-22 18:32:14 +0200 | [diff] [blame] | 1459 | static struct resource at32_smc_cs5_resource[] __initdata = { |
| 1460 | { |
| 1461 | .start = 0x20000000, |
| 1462 | .end = 0x23ffffff, |
| 1463 | .flags = IORESOURCE_MEM, |
| 1464 | }, |
| 1465 | IRQ(~0UL), /* Magic IRQ will be overridden */ |
| 1466 | }; |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1467 | |
Haavard Skinnemoen | eaf5f92 | 2007-10-22 18:32:14 +0200 | [diff] [blame] | 1468 | static int __init at32_init_ide_or_cf(struct platform_device *pdev, |
| 1469 | unsigned int cs, unsigned int extint) |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1470 | { |
Haavard Skinnemoen | eaf5f92 | 2007-10-22 18:32:14 +0200 | [diff] [blame] | 1471 | static unsigned int extint_pin_map[4] __initdata = { |
| 1472 | GPIO_PIN_PB(25), |
| 1473 | GPIO_PIN_PB(26), |
| 1474 | GPIO_PIN_PB(27), |
| 1475 | GPIO_PIN_PB(28), |
| 1476 | }; |
| 1477 | static bool common_pins_initialized __initdata = false; |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1478 | unsigned int extint_pin; |
Haavard Skinnemoen | eaf5f92 | 2007-10-22 18:32:14 +0200 | [diff] [blame] | 1479 | int ret; |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1480 | |
Haavard Skinnemoen | eaf5f92 | 2007-10-22 18:32:14 +0200 | [diff] [blame] | 1481 | if (extint >= ARRAY_SIZE(extint_pin_map)) |
| 1482 | return -EINVAL; |
| 1483 | extint_pin = extint_pin_map[extint]; |
| 1484 | |
| 1485 | switch (cs) { |
| 1486 | case 4: |
| 1487 | ret = platform_device_add_resources(pdev, |
| 1488 | at32_smc_cs4_resource, |
| 1489 | ARRAY_SIZE(at32_smc_cs4_resource)); |
| 1490 | if (ret) |
| 1491 | return ret; |
| 1492 | |
| 1493 | select_peripheral(PE(21), PERIPH_A, 0); /* NCS4 -> OE_N */ |
| 1494 | set_ebi_sfr_bits(HMATRIX_BIT(CS4A)); |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1495 | break; |
Haavard Skinnemoen | eaf5f92 | 2007-10-22 18:32:14 +0200 | [diff] [blame] | 1496 | case 5: |
| 1497 | ret = platform_device_add_resources(pdev, |
| 1498 | at32_smc_cs5_resource, |
| 1499 | ARRAY_SIZE(at32_smc_cs5_resource)); |
| 1500 | if (ret) |
| 1501 | return ret; |
| 1502 | |
| 1503 | select_peripheral(PE(22), PERIPH_A, 0); /* NCS5 -> OE_N */ |
| 1504 | set_ebi_sfr_bits(HMATRIX_BIT(CS5A)); |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1505 | break; |
| 1506 | default: |
Haavard Skinnemoen | eaf5f92 | 2007-10-22 18:32:14 +0200 | [diff] [blame] | 1507 | return -EINVAL; |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1508 | } |
| 1509 | |
Haavard Skinnemoen | eaf5f92 | 2007-10-22 18:32:14 +0200 | [diff] [blame] | 1510 | if (!common_pins_initialized) { |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1511 | select_peripheral(PE(19), PERIPH_A, 0); /* CFCE1 -> CS0_N */ |
| 1512 | select_peripheral(PE(20), PERIPH_A, 0); /* CFCE2 -> CS1_N */ |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1513 | select_peripheral(PE(23), PERIPH_A, 0); /* CFRNW -> DIR */ |
| 1514 | select_peripheral(PE(24), PERIPH_A, 0); /* NWAIT <- IORDY */ |
Haavard Skinnemoen | eaf5f92 | 2007-10-22 18:32:14 +0200 | [diff] [blame] | 1515 | common_pins_initialized = true; |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1516 | } |
| 1517 | |
| 1518 | at32_select_periph(extint_pin, GPIO_PERIPH_A, AT32_GPIOF_DEGLITCH); |
| 1519 | |
| 1520 | pdev->resource[1].start = EIM_IRQ_BASE + extint; |
| 1521 | pdev->resource[1].end = pdev->resource[1].start; |
| 1522 | |
Haavard Skinnemoen | eaf5f92 | 2007-10-22 18:32:14 +0200 | [diff] [blame] | 1523 | return 0; |
| 1524 | } |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1525 | |
Haavard Skinnemoen | eaf5f92 | 2007-10-22 18:32:14 +0200 | [diff] [blame] | 1526 | struct platform_device *__init |
| 1527 | at32_add_device_ide(unsigned int id, unsigned int extint, |
| 1528 | struct ide_platform_data *data) |
| 1529 | { |
| 1530 | struct platform_device *pdev; |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1531 | |
Haavard Skinnemoen | eaf5f92 | 2007-10-22 18:32:14 +0200 | [diff] [blame] | 1532 | pdev = platform_device_alloc("at32_ide", id); |
| 1533 | if (!pdev) |
| 1534 | goto fail; |
| 1535 | |
| 1536 | if (platform_device_add_data(pdev, data, |
| 1537 | sizeof(struct ide_platform_data))) |
| 1538 | goto fail; |
| 1539 | |
| 1540 | if (at32_init_ide_or_cf(pdev, data->cs, extint)) |
| 1541 | goto fail; |
| 1542 | |
| 1543 | platform_device_add(pdev); |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1544 | return pdev; |
Haavard Skinnemoen | eaf5f92 | 2007-10-22 18:32:14 +0200 | [diff] [blame] | 1545 | |
| 1546 | fail: |
| 1547 | platform_device_put(pdev); |
| 1548 | return NULL; |
| 1549 | } |
| 1550 | |
| 1551 | struct platform_device *__init |
| 1552 | at32_add_device_cf(unsigned int id, unsigned int extint, |
| 1553 | struct cf_platform_data *data) |
| 1554 | { |
| 1555 | struct platform_device *pdev; |
| 1556 | |
| 1557 | pdev = platform_device_alloc("at32_cf", id); |
| 1558 | if (!pdev) |
| 1559 | goto fail; |
| 1560 | |
| 1561 | if (platform_device_add_data(pdev, data, |
| 1562 | sizeof(struct cf_platform_data))) |
| 1563 | goto fail; |
| 1564 | |
| 1565 | if (at32_init_ide_or_cf(pdev, data->cs, extint)) |
| 1566 | goto fail; |
| 1567 | |
| 1568 | if (data->detect_pin != GPIO_PIN_NONE) |
| 1569 | at32_select_gpio(data->detect_pin, AT32_GPIOF_DEGLITCH); |
| 1570 | if (data->reset_pin != GPIO_PIN_NONE) |
| 1571 | at32_select_gpio(data->reset_pin, 0); |
| 1572 | if (data->vcc_pin != GPIO_PIN_NONE) |
| 1573 | at32_select_gpio(data->vcc_pin, 0); |
| 1574 | /* READY is used as extint, so we can't select it as gpio */ |
| 1575 | |
| 1576 | platform_device_add(pdev); |
| 1577 | return pdev; |
| 1578 | |
| 1579 | fail: |
| 1580 | platform_device_put(pdev); |
| 1581 | return NULL; |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1582 | } |
Haavard Skinnemoen | 438ff3f | 2007-10-29 15:28:07 +0100 | [diff] [blame] | 1583 | #endif |
Kristoffer Nyborg Gregertsen | 48021bd | 2007-08-16 13:45:00 +0200 | [diff] [blame] | 1584 | |
| 1585 | /* -------------------------------------------------------------------- |
Haavard Skinnemoen | 2042c1c | 2007-10-22 17:42:35 +0200 | [diff] [blame] | 1586 | * AC97C |
| 1587 | * -------------------------------------------------------------------- */ |
| 1588 | static struct resource atmel_ac97c0_resource[] __initdata = { |
| 1589 | PBMEM(0xfff02800), |
| 1590 | IRQ(29), |
| 1591 | }; |
| 1592 | static struct clk atmel_ac97c0_pclk = { |
| 1593 | .name = "pclk", |
| 1594 | .parent = &pbb_clk, |
| 1595 | .mode = pbb_clk_mode, |
| 1596 | .get_rate = pbb_clk_get_rate, |
| 1597 | .index = 10, |
| 1598 | }; |
| 1599 | |
| 1600 | struct platform_device *__init at32_add_device_ac97c(unsigned int id) |
| 1601 | { |
| 1602 | struct platform_device *pdev; |
| 1603 | |
| 1604 | if (id != 0) |
| 1605 | return NULL; |
| 1606 | |
| 1607 | pdev = platform_device_alloc("atmel_ac97c", id); |
| 1608 | if (!pdev) |
| 1609 | return NULL; |
| 1610 | |
| 1611 | if (platform_device_add_resources(pdev, atmel_ac97c0_resource, |
| 1612 | ARRAY_SIZE(atmel_ac97c0_resource))) |
| 1613 | goto err_add_resources; |
| 1614 | |
| 1615 | select_peripheral(PB(20), PERIPH_B, 0); /* SYNC */ |
| 1616 | select_peripheral(PB(21), PERIPH_B, 0); /* SDO */ |
| 1617 | select_peripheral(PB(22), PERIPH_B, 0); /* SDI */ |
| 1618 | select_peripheral(PB(23), PERIPH_B, 0); /* SCLK */ |
| 1619 | |
| 1620 | atmel_ac97c0_pclk.dev = &pdev->dev; |
| 1621 | |
| 1622 | platform_device_add(pdev); |
| 1623 | return pdev; |
| 1624 | |
| 1625 | err_add_resources: |
| 1626 | platform_device_put(pdev); |
| 1627 | return NULL; |
| 1628 | } |
| 1629 | |
| 1630 | /* -------------------------------------------------------------------- |
| 1631 | * ABDAC |
| 1632 | * -------------------------------------------------------------------- */ |
| 1633 | static struct resource abdac0_resource[] __initdata = { |
| 1634 | PBMEM(0xfff02000), |
| 1635 | IRQ(27), |
| 1636 | }; |
| 1637 | static struct clk abdac0_pclk = { |
| 1638 | .name = "pclk", |
| 1639 | .parent = &pbb_clk, |
| 1640 | .mode = pbb_clk_mode, |
| 1641 | .get_rate = pbb_clk_get_rate, |
| 1642 | .index = 8, |
| 1643 | }; |
| 1644 | static struct clk abdac0_sample_clk = { |
| 1645 | .name = "sample_clk", |
| 1646 | .mode = genclk_mode, |
| 1647 | .get_rate = genclk_get_rate, |
| 1648 | .set_rate = genclk_set_rate, |
| 1649 | .set_parent = genclk_set_parent, |
| 1650 | .index = 6, |
| 1651 | }; |
| 1652 | |
| 1653 | struct platform_device *__init at32_add_device_abdac(unsigned int id) |
| 1654 | { |
| 1655 | struct platform_device *pdev; |
| 1656 | |
| 1657 | if (id != 0) |
| 1658 | return NULL; |
| 1659 | |
| 1660 | pdev = platform_device_alloc("abdac", id); |
| 1661 | if (!pdev) |
| 1662 | return NULL; |
| 1663 | |
| 1664 | if (platform_device_add_resources(pdev, abdac0_resource, |
| 1665 | ARRAY_SIZE(abdac0_resource))) |
| 1666 | goto err_add_resources; |
| 1667 | |
| 1668 | select_peripheral(PB(20), PERIPH_A, 0); /* DATA1 */ |
| 1669 | select_peripheral(PB(21), PERIPH_A, 0); /* DATA0 */ |
| 1670 | select_peripheral(PB(22), PERIPH_A, 0); /* DATAN1 */ |
| 1671 | select_peripheral(PB(23), PERIPH_A, 0); /* DATAN0 */ |
| 1672 | |
| 1673 | abdac0_pclk.dev = &pdev->dev; |
| 1674 | abdac0_sample_clk.dev = &pdev->dev; |
| 1675 | |
| 1676 | platform_device_add(pdev); |
| 1677 | return pdev; |
| 1678 | |
| 1679 | err_add_resources: |
| 1680 | platform_device_put(pdev); |
| 1681 | return NULL; |
| 1682 | } |
| 1683 | |
| 1684 | /* -------------------------------------------------------------------- |
Haavard Skinnemoen | 7a5fe23 | 2007-02-16 13:14:33 +0100 | [diff] [blame] | 1685 | * GCLK |
| 1686 | * -------------------------------------------------------------------- */ |
| 1687 | static struct clk gclk0 = { |
| 1688 | .name = "gclk0", |
| 1689 | .mode = genclk_mode, |
| 1690 | .get_rate = genclk_get_rate, |
| 1691 | .set_rate = genclk_set_rate, |
| 1692 | .set_parent = genclk_set_parent, |
| 1693 | .index = 0, |
| 1694 | }; |
| 1695 | static struct clk gclk1 = { |
| 1696 | .name = "gclk1", |
| 1697 | .mode = genclk_mode, |
| 1698 | .get_rate = genclk_get_rate, |
| 1699 | .set_rate = genclk_set_rate, |
| 1700 | .set_parent = genclk_set_parent, |
| 1701 | .index = 1, |
| 1702 | }; |
| 1703 | static struct clk gclk2 = { |
| 1704 | .name = "gclk2", |
| 1705 | .mode = genclk_mode, |
| 1706 | .get_rate = genclk_get_rate, |
| 1707 | .set_rate = genclk_set_rate, |
| 1708 | .set_parent = genclk_set_parent, |
| 1709 | .index = 2, |
| 1710 | }; |
| 1711 | static struct clk gclk3 = { |
| 1712 | .name = "gclk3", |
| 1713 | .mode = genclk_mode, |
| 1714 | .get_rate = genclk_get_rate, |
| 1715 | .set_rate = genclk_set_rate, |
| 1716 | .set_parent = genclk_set_parent, |
| 1717 | .index = 3, |
| 1718 | }; |
| 1719 | static struct clk gclk4 = { |
| 1720 | .name = "gclk4", |
| 1721 | .mode = genclk_mode, |
| 1722 | .get_rate = genclk_get_rate, |
| 1723 | .set_rate = genclk_set_rate, |
| 1724 | .set_parent = genclk_set_parent, |
| 1725 | .index = 4, |
| 1726 | }; |
| 1727 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1728 | struct clk *at32_clock_list[] = { |
| 1729 | &osc32k, |
| 1730 | &osc0, |
| 1731 | &osc1, |
| 1732 | &pll0, |
| 1733 | &pll1, |
| 1734 | &cpu_clk, |
| 1735 | &hsb_clk, |
| 1736 | &pba_clk, |
| 1737 | &pbb_clk, |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 1738 | &at32_pm_pclk, |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1739 | &at32_intc0_pclk, |
Haavard Skinnemoen | 9c8f8e7 | 2007-02-01 16:34:10 +0100 | [diff] [blame] | 1740 | &hmatrix_clk, |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1741 | &ebi_clk, |
| 1742 | &hramc_clk, |
Haavard Skinnemoen | bc157b7 | 2006-09-25 23:32:16 -0700 | [diff] [blame] | 1743 | &smc0_pclk, |
| 1744 | &smc0_mck, |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1745 | &pdc_hclk, |
| 1746 | &pdc_pclk, |
Haavard Skinnemoen | 2042c1c | 2007-10-22 17:42:35 +0200 | [diff] [blame] | 1747 | &dmaca0_hclk, |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1748 | &pico_clk, |
| 1749 | &pio0_mck, |
| 1750 | &pio1_mck, |
| 1751 | &pio2_mck, |
| 1752 | &pio3_mck, |
Haavard Skinnemoen | 7f9f467 | 2007-01-30 11:16:16 +0100 | [diff] [blame] | 1753 | &pio4_mck, |
David Brownell | e723ff6 | 2008-02-14 11:24:02 -0800 | [diff] [blame^] | 1754 | &at32_tcb0_t0_clk, |
| 1755 | &at32_tcb1_t0_clk, |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 1756 | &atmel_usart0_usart, |
| 1757 | &atmel_usart1_usart, |
| 1758 | &atmel_usart2_usart, |
| 1759 | &atmel_usart3_usart, |
David Brownell | 9a1e8eb | 2008-02-08 04:21:21 -0800 | [diff] [blame] | 1760 | &atmel_pwm0_mck, |
Haavard Skinnemoen | 438ff3f | 2007-10-29 15:28:07 +0100 | [diff] [blame] | 1761 | #if defined(CONFIG_CPU_AT32AP7000) |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1762 | &macb0_hclk, |
| 1763 | &macb0_pclk, |
Haavard Skinnemoen | cfcb3a8 | 2006-10-30 09:23:12 +0100 | [diff] [blame] | 1764 | &macb1_hclk, |
| 1765 | &macb1_pclk, |
Haavard Skinnemoen | 438ff3f | 2007-10-29 15:28:07 +0100 | [diff] [blame] | 1766 | #endif |
Haavard Skinnemoen | 3d60ee1 | 2007-01-10 20:20:02 +0100 | [diff] [blame] | 1767 | &atmel_spi0_spi_clk, |
| 1768 | &atmel_spi1_spi_clk, |
Haavard Skinnemoen | 2042c1c | 2007-10-22 17:42:35 +0200 | [diff] [blame] | 1769 | &atmel_twi0_pclk, |
| 1770 | &atmel_mci0_pclk, |
Haavard Skinnemoen | 438ff3f | 2007-10-29 15:28:07 +0100 | [diff] [blame] | 1771 | #if defined(CONFIG_CPU_AT32AP7000) || defined(CONFIG_CPU_AT32AP7002) |
Haavard Skinnemoen | d0a2b7a | 2007-03-21 18:08:49 +0100 | [diff] [blame] | 1772 | &atmel_lcdfb0_hck1, |
| 1773 | &atmel_lcdfb0_pixclk, |
Haavard Skinnemoen | 438ff3f | 2007-10-29 15:28:07 +0100 | [diff] [blame] | 1774 | #endif |
Hans-Christian Egtvedt | 9cf6cf5 | 2007-07-06 14:31:55 +0200 | [diff] [blame] | 1775 | &ssc0_pclk, |
| 1776 | &ssc1_pclk, |
| 1777 | &ssc2_pclk, |
Haavard Skinnemoen | 6fcf061 | 2007-06-14 17:37:31 +0200 | [diff] [blame] | 1778 | &usba0_hclk, |
| 1779 | &usba0_pclk, |
Haavard Skinnemoen | 2042c1c | 2007-10-22 17:42:35 +0200 | [diff] [blame] | 1780 | &atmel_ac97c0_pclk, |
| 1781 | &abdac0_pclk, |
| 1782 | &abdac0_sample_clk, |
Haavard Skinnemoen | 7a5fe23 | 2007-02-16 13:14:33 +0100 | [diff] [blame] | 1783 | &gclk0, |
| 1784 | &gclk1, |
| 1785 | &gclk2, |
| 1786 | &gclk3, |
| 1787 | &gclk4, |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1788 | }; |
| 1789 | unsigned int at32_nr_clocks = ARRAY_SIZE(at32_clock_list); |
| 1790 | |
| 1791 | void __init at32_portmux_init(void) |
| 1792 | { |
| 1793 | at32_init_pio(&pio0_device); |
| 1794 | at32_init_pio(&pio1_device); |
| 1795 | at32_init_pio(&pio2_device); |
| 1796 | at32_init_pio(&pio3_device); |
Haavard Skinnemoen | 7f9f467 | 2007-01-30 11:16:16 +0100 | [diff] [blame] | 1797 | at32_init_pio(&pio4_device); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1798 | } |
| 1799 | |
| 1800 | void __init at32_clock_init(void) |
| 1801 | { |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1802 | u32 cpu_mask = 0, hsb_mask = 0, pba_mask = 0, pbb_mask = 0; |
| 1803 | int i; |
| 1804 | |
Hans-Christian Egtvedt | 9e58e18 | 2007-06-04 16:10:57 +0200 | [diff] [blame] | 1805 | if (pm_readl(MCCTRL) & PM_BIT(PLLSEL)) { |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1806 | main_clock = &pll0; |
Hans-Christian Egtvedt | 9e58e18 | 2007-06-04 16:10:57 +0200 | [diff] [blame] | 1807 | cpu_clk.parent = &pll0; |
| 1808 | } else { |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1809 | main_clock = &osc0; |
Hans-Christian Egtvedt | 9e58e18 | 2007-06-04 16:10:57 +0200 | [diff] [blame] | 1810 | cpu_clk.parent = &osc0; |
| 1811 | } |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1812 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 1813 | if (pm_readl(PLL0) & PM_BIT(PLLOSC)) |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1814 | pll0.parent = &osc1; |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 1815 | if (pm_readl(PLL1) & PM_BIT(PLLOSC)) |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1816 | pll1.parent = &osc1; |
| 1817 | |
Haavard Skinnemoen | 7a5fe23 | 2007-02-16 13:14:33 +0100 | [diff] [blame] | 1818 | genclk_init_parent(&gclk0); |
| 1819 | genclk_init_parent(&gclk1); |
| 1820 | genclk_init_parent(&gclk2); |
| 1821 | genclk_init_parent(&gclk3); |
| 1822 | genclk_init_parent(&gclk4); |
Haavard Skinnemoen | 438ff3f | 2007-10-29 15:28:07 +0100 | [diff] [blame] | 1823 | #if defined(CONFIG_CPU_AT32AP7000) || defined(CONFIG_CPU_AT32AP7002) |
Haavard Skinnemoen | d0a2b7a | 2007-03-21 18:08:49 +0100 | [diff] [blame] | 1824 | genclk_init_parent(&atmel_lcdfb0_pixclk); |
Haavard Skinnemoen | 438ff3f | 2007-10-29 15:28:07 +0100 | [diff] [blame] | 1825 | #endif |
Haavard Skinnemoen | 2042c1c | 2007-10-22 17:42:35 +0200 | [diff] [blame] | 1826 | genclk_init_parent(&abdac0_sample_clk); |
Haavard Skinnemoen | 7a5fe23 | 2007-02-16 13:14:33 +0100 | [diff] [blame] | 1827 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1828 | /* |
| 1829 | * Turn on all clocks that have at least one user already, and |
| 1830 | * turn off everything else. We only do this for module |
| 1831 | * clocks, and even though it isn't particularly pretty to |
| 1832 | * check the address of the mode function, it should do the |
| 1833 | * trick... |
| 1834 | */ |
| 1835 | for (i = 0; i < ARRAY_SIZE(at32_clock_list); i++) { |
| 1836 | struct clk *clk = at32_clock_list[i]; |
| 1837 | |
Haavard Skinnemoen | 188ff65 | 2007-03-14 13:23:44 +0100 | [diff] [blame] | 1838 | if (clk->users == 0) |
| 1839 | continue; |
| 1840 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1841 | if (clk->mode == &cpu_clk_mode) |
| 1842 | cpu_mask |= 1 << clk->index; |
| 1843 | else if (clk->mode == &hsb_clk_mode) |
| 1844 | hsb_mask |= 1 << clk->index; |
| 1845 | else if (clk->mode == &pba_clk_mode) |
| 1846 | pba_mask |= 1 << clk->index; |
| 1847 | else if (clk->mode == &pbb_clk_mode) |
| 1848 | pbb_mask |= 1 << clk->index; |
| 1849 | } |
| 1850 | |
Haavard Skinnemoen | 7a5b805 | 2007-06-04 12:58:30 +0200 | [diff] [blame] | 1851 | pm_writel(CPU_MASK, cpu_mask); |
| 1852 | pm_writel(HSB_MASK, hsb_mask); |
| 1853 | pm_writel(PBA_MASK, pba_mask); |
| 1854 | pm_writel(PBB_MASK, pbb_mask); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1855 | } |