Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * linux/arch/arm/mach-pxa/pxa27x.c |
| 3 | * |
| 4 | * Author: Nicolas Pitre |
| 5 | * Created: Nov 05, 2002 |
| 6 | * Copyright: MontaVista Software Inc. |
| 7 | * |
| 8 | * Code specific to PXA27x aka Bulverde. |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License version 2 as |
| 12 | * published by the Free Software Foundation. |
| 13 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 14 | #include <linux/module.h> |
| 15 | #include <linux/kernel.h> |
| 16 | #include <linux/init.h> |
Rafael J. Wysocki | 95d9ffb | 2007-10-18 03:04:39 -0700 | [diff] [blame] | 17 | #include <linux/suspend.h> |
Russell King | d052d1b | 2005-10-29 19:07:23 +0100 | [diff] [blame] | 18 | #include <linux/platform_device.h> |
eric miao | c0165504 | 2008-01-28 23:00:02 +0000 | [diff] [blame] | 19 | #include <linux/sysdev.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 21 | #include <mach/hardware.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | #include <asm/irq.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 23 | #include <mach/irqs.h> |
| 24 | #include <mach/pxa-regs.h> |
| 25 | #include <mach/pxa2xx-regs.h> |
| 26 | #include <mach/mfp-pxa27x.h> |
Russell King | afd2fc0 | 2008-08-07 11:05:25 +0100 | [diff] [blame] | 27 | #include <mach/reset.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 28 | #include <mach/ohci.h> |
| 29 | #include <mach/pm.h> |
| 30 | #include <mach/dma.h> |
| 31 | #include <mach/i2c.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 32 | |
| 33 | #include "generic.h" |
Russell King | 46c41e6 | 2007-05-15 15:39:36 +0100 | [diff] [blame] | 34 | #include "devices.h" |
Russell King | a6dba20 | 2007-08-20 10:18:02 +0100 | [diff] [blame] | 35 | #include "clock.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 36 | |
Eric Miao | 0cb0b0d | 2008-10-04 12:45:39 +0800 | [diff] [blame] | 37 | void pxa27x_clear_otgph(void) |
| 38 | { |
| 39 | if (cpu_is_pxa27x() && (PSSR & PSSR_OTGPH)) |
| 40 | PSSR |= PSSR_OTGPH; |
| 41 | } |
| 42 | EXPORT_SYMBOL(pxa27x_clear_otgph); |
| 43 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | /* Crystal clock: 13MHz */ |
| 45 | #define BASE_CLK 13000000 |
| 46 | |
| 47 | /* |
| 48 | * Get the clock frequency as reflected by CCSR and the turbo flag. |
| 49 | * We assume these values have been applied via a fcs. |
| 50 | * If info is not 0 we also display the current settings. |
| 51 | */ |
Russell King | 15a4033 | 2007-08-20 10:07:44 +0100 | [diff] [blame] | 52 | unsigned int pxa27x_get_clk_frequency_khz(int info) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | { |
| 54 | unsigned long ccsr, clkcfg; |
| 55 | unsigned int l, L, m, M, n2, N, S; |
| 56 | int cccr_a, t, ht, b; |
| 57 | |
| 58 | ccsr = CCSR; |
| 59 | cccr_a = CCCR & (1 << 25); |
| 60 | |
| 61 | /* Read clkcfg register: it has turbo, b, half-turbo (and f) */ |
| 62 | asm( "mrc\tp14, 0, %0, c6, c0, 0" : "=r" (clkcfg) ); |
Richard Purdie | afe5df2 | 2006-02-01 19:25:59 +0000 | [diff] [blame] | 63 | t = clkcfg & (1 << 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | ht = clkcfg & (1 << 2); |
| 65 | b = clkcfg & (1 << 3); |
| 66 | |
| 67 | l = ccsr & 0x1f; |
| 68 | n2 = (ccsr>>7) & 0xf; |
| 69 | m = (l <= 10) ? 1 : (l <= 20) ? 2 : 4; |
| 70 | |
| 71 | L = l * BASE_CLK; |
| 72 | N = (L * n2) / 2; |
| 73 | M = (!cccr_a) ? (L/m) : ((b) ? L : (L/2)); |
| 74 | S = (b) ? L : (L/2); |
| 75 | |
| 76 | if (info) { |
| 77 | printk( KERN_INFO "Run Mode clock: %d.%02dMHz (*%d)\n", |
| 78 | L / 1000000, (L % 1000000) / 10000, l ); |
| 79 | printk( KERN_INFO "Turbo Mode clock: %d.%02dMHz (*%d.%d, %sactive)\n", |
| 80 | N / 1000000, (N % 1000000)/10000, n2 / 2, (n2 % 2)*5, |
| 81 | (t) ? "" : "in" ); |
| 82 | printk( KERN_INFO "Memory clock: %d.%02dMHz (/%d)\n", |
| 83 | M / 1000000, (M % 1000000) / 10000, m ); |
| 84 | printk( KERN_INFO "System bus clock: %d.%02dMHz \n", |
| 85 | S / 1000000, (S % 1000000) / 10000 ); |
| 86 | } |
| 87 | |
| 88 | return (t) ? (N/1000) : (L/1000); |
| 89 | } |
| 90 | |
| 91 | /* |
| 92 | * Return the current mem clock frequency in units of 10kHz as |
| 93 | * reflected by CCCR[A], B, and L |
| 94 | */ |
Russell King | 15a4033 | 2007-08-20 10:07:44 +0100 | [diff] [blame] | 95 | unsigned int pxa27x_get_memclk_frequency_10khz(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 96 | { |
| 97 | unsigned long ccsr, clkcfg; |
| 98 | unsigned int l, L, m, M; |
| 99 | int cccr_a, b; |
| 100 | |
| 101 | ccsr = CCSR; |
| 102 | cccr_a = CCCR & (1 << 25); |
| 103 | |
| 104 | /* Read clkcfg register: it has turbo, b, half-turbo (and f) */ |
| 105 | asm( "mrc\tp14, 0, %0, c6, c0, 0" : "=r" (clkcfg) ); |
| 106 | b = clkcfg & (1 << 3); |
| 107 | |
| 108 | l = ccsr & 0x1f; |
| 109 | m = (l <= 10) ? 1 : (l <= 20) ? 2 : 4; |
| 110 | |
| 111 | L = l * BASE_CLK; |
| 112 | M = (!cccr_a) ? (L/m) : ((b) ? L : (L/2)); |
| 113 | |
| 114 | return (M / 10000); |
| 115 | } |
| 116 | |
| 117 | /* |
| 118 | * Return the current LCD clock frequency in units of 10kHz as |
| 119 | */ |
Russell King | a88a447 | 2007-08-20 10:34:37 +0100 | [diff] [blame] | 120 | static unsigned int pxa27x_get_lcdclk_frequency_10khz(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | { |
| 122 | unsigned long ccsr; |
| 123 | unsigned int l, L, k, K; |
| 124 | |
| 125 | ccsr = CCSR; |
| 126 | |
| 127 | l = ccsr & 0x1f; |
| 128 | k = (l <= 7) ? 1 : (l <= 16) ? 2 : 4; |
| 129 | |
| 130 | L = l * BASE_CLK; |
| 131 | K = L / k; |
| 132 | |
| 133 | return (K / 10000); |
| 134 | } |
| 135 | |
Russell King | a6dba20 | 2007-08-20 10:18:02 +0100 | [diff] [blame] | 136 | static unsigned long clk_pxa27x_lcd_getrate(struct clk *clk) |
| 137 | { |
| 138 | return pxa27x_get_lcdclk_frequency_10khz() * 10000; |
| 139 | } |
| 140 | |
| 141 | static const struct clkops clk_pxa27x_lcd_ops = { |
| 142 | .enable = clk_cken_enable, |
| 143 | .disable = clk_cken_disable, |
| 144 | .getrate = clk_pxa27x_lcd_getrate, |
| 145 | }; |
| 146 | |
| 147 | static struct clk pxa27x_clks[] = { |
| 148 | INIT_CK("LCDCLK", LCD, &clk_pxa27x_lcd_ops, &pxa_device_fb.dev), |
| 149 | INIT_CK("CAMCLK", CAMERA, &clk_pxa27x_lcd_ops, NULL), |
| 150 | |
Russell King | a6dba20 | 2007-08-20 10:18:02 +0100 | [diff] [blame] | 151 | INIT_CKEN("UARTCLK", FFUART, 14857000, 1, &pxa_device_ffuart.dev), |
| 152 | INIT_CKEN("UARTCLK", BTUART, 14857000, 1, &pxa_device_btuart.dev), |
Russell King | 435b6e9 | 2007-09-02 17:08:42 +0100 | [diff] [blame] | 153 | INIT_CKEN("UARTCLK", STUART, 14857000, 1, NULL), |
Russell King | a6dba20 | 2007-08-20 10:18:02 +0100 | [diff] [blame] | 154 | |
| 155 | INIT_CKEN("I2SCLK", I2S, 14682000, 0, &pxa_device_i2s.dev), |
| 156 | INIT_CKEN("I2CCLK", I2C, 32842000, 0, &pxa_device_i2c.dev), |
Philipp Zabel | 7a85762 | 2008-06-22 23:36:39 +0100 | [diff] [blame] | 157 | INIT_CKEN("UDCCLK", USB, 48000000, 5, &pxa27x_device_udc.dev), |
Russell King | a6dba20 | 2007-08-20 10:18:02 +0100 | [diff] [blame] | 158 | INIT_CKEN("MMCCLK", MMC, 19500000, 0, &pxa_device_mci.dev), |
| 159 | INIT_CKEN("FICPCLK", FICP, 48000000, 0, &pxa_device_ficp.dev), |
| 160 | |
eric miao | 8854cb4 | 2007-11-20 01:35:08 +0100 | [diff] [blame] | 161 | INIT_CKEN("USBCLK", USBHOST, 48000000, 0, &pxa27x_device_ohci.dev), |
Russell King | a6dba20 | 2007-08-20 10:18:02 +0100 | [diff] [blame] | 162 | INIT_CKEN("I2CCLK", PWRI2C, 13000000, 0, &pxa27x_device_i2c_power.dev), |
eric miao | 3732098 | 2008-01-23 13:39:13 +0800 | [diff] [blame] | 163 | INIT_CKEN("KBDCLK", KEYPAD, 32768, 0, &pxa27x_device_keypad.dev), |
Russell King | a6dba20 | 2007-08-20 10:18:02 +0100 | [diff] [blame] | 164 | |
eric miao | d8e0db1 | 2007-12-10 17:54:36 +0800 | [diff] [blame] | 165 | INIT_CKEN("SSPCLK", SSP1, 13000000, 0, &pxa27x_device_ssp1.dev), |
| 166 | INIT_CKEN("SSPCLK", SSP2, 13000000, 0, &pxa27x_device_ssp2.dev), |
| 167 | INIT_CKEN("SSPCLK", SSP3, 13000000, 0, &pxa27x_device_ssp3.dev), |
eric miao | 75540c1 | 2008-04-13 21:44:04 +0100 | [diff] [blame] | 168 | INIT_CKEN("PWMCLK", PWM0, 13000000, 0, &pxa27x_device_pwm0.dev), |
| 169 | INIT_CKEN("PWMCLK", PWM1, 13000000, 0, &pxa27x_device_pwm1.dev), |
eric miao | d8e0db1 | 2007-12-10 17:54:36 +0800 | [diff] [blame] | 170 | |
Mark Brown | 27b98a6 | 2008-03-04 11:14:22 +0100 | [diff] [blame] | 171 | INIT_CKEN("AC97CLK", AC97, 24576000, 0, NULL), |
| 172 | INIT_CKEN("AC97CONFCLK", AC97CONF, 24576000, 0, NULL), |
| 173 | |
Russell King | a6dba20 | 2007-08-20 10:18:02 +0100 | [diff] [blame] | 174 | /* |
Russell King | a6dba20 | 2007-08-20 10:18:02 +0100 | [diff] [blame] | 175 | INIT_CKEN("MSLCLK", MSL, 48000000, 0, NULL), |
| 176 | INIT_CKEN("USIMCLK", USIM, 48000000, 0, NULL), |
| 177 | INIT_CKEN("MSTKCLK", MEMSTK, 19500000, 0, NULL), |
| 178 | INIT_CKEN("IMCLK", IM, 0, 0, NULL), |
| 179 | INIT_CKEN("MEMCLK", MEMC, 0, 0, NULL), |
| 180 | */ |
| 181 | }; |
| 182 | |
Nicolas Pitre | a8fa3f0 | 2005-06-13 22:35:41 +0100 | [diff] [blame] | 183 | #ifdef CONFIG_PM |
| 184 | |
Eric Miao | 711be5c | 2007-07-18 11:38:45 +0100 | [diff] [blame] | 185 | #define SAVE(x) sleep_save[SLEEP_SAVE_##x] = x |
| 186 | #define RESTORE(x) x = sleep_save[SLEEP_SAVE_##x] |
| 187 | |
Eric Miao | 711be5c | 2007-07-18 11:38:45 +0100 | [diff] [blame] | 188 | /* |
| 189 | * List of global PXA peripheral registers to preserve. |
| 190 | * More ones like CP and general purpose register values are preserved |
| 191 | * with the stack pointer in sleep.S. |
| 192 | */ |
Eric Miao | 5a3d965 | 2008-09-03 18:06:34 +0800 | [diff] [blame] | 193 | enum { |
Eric Miao | 711be5c | 2007-07-18 11:38:45 +0100 | [diff] [blame] | 194 | SLEEP_SAVE_PSTR, |
Eric Miao | 711be5c | 2007-07-18 11:38:45 +0100 | [diff] [blame] | 195 | SLEEP_SAVE_CKEN, |
Eric Miao | 711be5c | 2007-07-18 11:38:45 +0100 | [diff] [blame] | 196 | SLEEP_SAVE_MDREFR, |
Eric Miao | 5a3d965 | 2008-09-03 18:06:34 +0800 | [diff] [blame] | 197 | SLEEP_SAVE_PCFR, |
Robert Jarzmik | 649de51 | 2008-05-02 21:17:06 +0100 | [diff] [blame] | 198 | SLEEP_SAVE_COUNT |
Eric Miao | 711be5c | 2007-07-18 11:38:45 +0100 | [diff] [blame] | 199 | }; |
| 200 | |
| 201 | void pxa27x_cpu_pm_save(unsigned long *sleep_save) |
| 202 | { |
Eric Miao | 711be5c | 2007-07-18 11:38:45 +0100 | [diff] [blame] | 203 | SAVE(MDREFR); |
Eric Miao | 5a3d965 | 2008-09-03 18:06:34 +0800 | [diff] [blame] | 204 | SAVE(PCFR); |
Eric Miao | 711be5c | 2007-07-18 11:38:45 +0100 | [diff] [blame] | 205 | |
Eric Miao | 711be5c | 2007-07-18 11:38:45 +0100 | [diff] [blame] | 206 | SAVE(CKEN); |
| 207 | SAVE(PSTR); |
Eric Miao | 711be5c | 2007-07-18 11:38:45 +0100 | [diff] [blame] | 208 | } |
| 209 | |
| 210 | void pxa27x_cpu_pm_restore(unsigned long *sleep_save) |
| 211 | { |
Eric Miao | 711be5c | 2007-07-18 11:38:45 +0100 | [diff] [blame] | 212 | RESTORE(MDREFR); |
Eric Miao | 5a3d965 | 2008-09-03 18:06:34 +0800 | [diff] [blame] | 213 | RESTORE(PCFR); |
Eric Miao | 711be5c | 2007-07-18 11:38:45 +0100 | [diff] [blame] | 214 | |
| 215 | PSSR = PSSR_RDH | PSSR_PH; |
| 216 | |
| 217 | RESTORE(CKEN); |
Eric Miao | 711be5c | 2007-07-18 11:38:45 +0100 | [diff] [blame] | 218 | RESTORE(PSTR); |
| 219 | } |
| 220 | |
| 221 | void pxa27x_cpu_pm_enter(suspend_state_t state) |
Todd Poynor | 8775420 | 2005-06-03 20:52:27 +0100 | [diff] [blame] | 222 | { |
| 223 | extern void pxa_cpu_standby(void); |
Todd Poynor | 8775420 | 2005-06-03 20:52:27 +0100 | [diff] [blame] | 224 | |
Todd Poynor | 8775420 | 2005-06-03 20:52:27 +0100 | [diff] [blame] | 225 | /* ensure voltage-change sequencer not initiated, which hangs */ |
| 226 | PCFR &= ~PCFR_FVC; |
| 227 | |
| 228 | /* Clear edge-detect status register. */ |
| 229 | PEDR = 0xDF12FE1B; |
| 230 | |
Russell King | dc38e2a | 2008-05-08 16:50:39 +0100 | [diff] [blame] | 231 | /* Clear reset status */ |
| 232 | RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR; |
| 233 | |
Todd Poynor | 8775420 | 2005-06-03 20:52:27 +0100 | [diff] [blame] | 234 | switch (state) { |
Todd Poynor | 26705ca | 2005-07-01 11:27:05 +0100 | [diff] [blame] | 235 | case PM_SUSPEND_STANDBY: |
| 236 | pxa_cpu_standby(); |
| 237 | break; |
Todd Poynor | 8775420 | 2005-06-03 20:52:27 +0100 | [diff] [blame] | 238 | case PM_SUSPEND_MEM: |
Eric Miao | b750a09 | 2007-07-18 11:40:13 +0100 | [diff] [blame] | 239 | pxa27x_cpu_suspend(PWRMODE_SLEEP); |
Todd Poynor | 8775420 | 2005-06-03 20:52:27 +0100 | [diff] [blame] | 240 | break; |
| 241 | } |
| 242 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 243 | |
Eric Miao | 711be5c | 2007-07-18 11:38:45 +0100 | [diff] [blame] | 244 | static int pxa27x_cpu_pm_valid(suspend_state_t state) |
Russell King | 88dfe98 | 2007-05-15 11:22:48 +0100 | [diff] [blame] | 245 | { |
| 246 | return state == PM_SUSPEND_MEM || state == PM_SUSPEND_STANDBY; |
| 247 | } |
| 248 | |
Russell King | 4104980 | 2008-08-27 12:55:04 +0100 | [diff] [blame] | 249 | static int pxa27x_cpu_pm_prepare(void) |
| 250 | { |
| 251 | /* set resume return address */ |
| 252 | PSPR = virt_to_phys(pxa_cpu_resume); |
| 253 | return 0; |
| 254 | } |
| 255 | |
| 256 | static void pxa27x_cpu_pm_finish(void) |
| 257 | { |
| 258 | /* ensure not to come back here if it wasn't intended */ |
| 259 | PSPR = 0; |
| 260 | } |
| 261 | |
Eric Miao | 711be5c | 2007-07-18 11:38:45 +0100 | [diff] [blame] | 262 | static struct pxa_cpu_pm_fns pxa27x_cpu_pm_fns = { |
Robert Jarzmik | 649de51 | 2008-05-02 21:17:06 +0100 | [diff] [blame] | 263 | .save_count = SLEEP_SAVE_COUNT, |
Eric Miao | 711be5c | 2007-07-18 11:38:45 +0100 | [diff] [blame] | 264 | .save = pxa27x_cpu_pm_save, |
| 265 | .restore = pxa27x_cpu_pm_restore, |
| 266 | .valid = pxa27x_cpu_pm_valid, |
| 267 | .enter = pxa27x_cpu_pm_enter, |
Russell King | 4104980 | 2008-08-27 12:55:04 +0100 | [diff] [blame] | 268 | .prepare = pxa27x_cpu_pm_prepare, |
| 269 | .finish = pxa27x_cpu_pm_finish, |
Russell King | e176bb0 | 2007-05-15 11:16:10 +0100 | [diff] [blame] | 270 | }; |
Eric Miao | 711be5c | 2007-07-18 11:38:45 +0100 | [diff] [blame] | 271 | |
| 272 | static void __init pxa27x_init_pm(void) |
| 273 | { |
| 274 | pxa_cpu_pm_fns = &pxa27x_cpu_pm_fns; |
| 275 | } |
eric miao | f79299c | 2008-01-02 08:24:49 +0800 | [diff] [blame] | 276 | #else |
| 277 | static inline void pxa27x_init_pm(void) {} |
Nicolas Pitre | a8fa3f0 | 2005-06-13 22:35:41 +0100 | [diff] [blame] | 278 | #endif |
| 279 | |
eric miao | c95530c | 2007-08-29 10:22:17 +0100 | [diff] [blame] | 280 | /* PXA27x: Various gpios can issue wakeup events. This logic only |
| 281 | * handles the simple cases, not the WEMUX2 and WEMUX3 options |
| 282 | */ |
eric miao | c95530c | 2007-08-29 10:22:17 +0100 | [diff] [blame] | 283 | static int pxa27x_set_wake(unsigned int irq, unsigned int on) |
| 284 | { |
| 285 | int gpio = IRQ_TO_GPIO(irq); |
| 286 | uint32_t mask; |
| 287 | |
eric miao | c0a596d | 2008-03-11 09:46:28 +0800 | [diff] [blame] | 288 | if (gpio >= 0 && gpio < 128) |
| 289 | return gpio_set_wake(gpio, on); |
eric miao | c95530c | 2007-08-29 10:22:17 +0100 | [diff] [blame] | 290 | |
eric miao | c0a596d | 2008-03-11 09:46:28 +0800 | [diff] [blame] | 291 | if (irq == IRQ_KEYPAD) |
| 292 | return keypad_set_wake(on); |
eric miao | c95530c | 2007-08-29 10:22:17 +0100 | [diff] [blame] | 293 | |
| 294 | switch (irq) { |
| 295 | case IRQ_RTCAlrm: |
| 296 | mask = PWER_RTC; |
| 297 | break; |
| 298 | case IRQ_USB: |
| 299 | mask = 1u << 26; |
| 300 | break; |
| 301 | default: |
| 302 | return -EINVAL; |
| 303 | } |
| 304 | |
eric miao | c95530c | 2007-08-29 10:22:17 +0100 | [diff] [blame] | 305 | if (on) |
| 306 | PWER |= mask; |
| 307 | else |
| 308 | PWER &=~mask; |
| 309 | |
| 310 | return 0; |
| 311 | } |
| 312 | |
| 313 | void __init pxa27x_init_irq(void) |
| 314 | { |
eric miao | b9e25ac | 2008-03-04 14:19:58 +0800 | [diff] [blame] | 315 | pxa_init_irq(34, pxa27x_set_wake); |
| 316 | pxa_init_gpio(128, pxa27x_set_wake); |
eric miao | c95530c | 2007-08-29 10:22:17 +0100 | [diff] [blame] | 317 | } |
| 318 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 319 | /* |
| 320 | * device registration specific to PXA27x. |
| 321 | */ |
| 322 | |
Russell King | 34f3231 | 2007-05-15 10:39:49 +0100 | [diff] [blame] | 323 | static struct resource i2c_power_resources[] = { |
| 324 | { |
| 325 | .start = 0x40f00180, |
| 326 | .end = 0x40f001a3, |
| 327 | .flags = IORESOURCE_MEM, |
| 328 | }, { |
| 329 | .start = IRQ_PWRI2C, |
| 330 | .end = IRQ_PWRI2C, |
| 331 | .flags = IORESOURCE_IRQ, |
| 332 | }, |
| 333 | }; |
| 334 | |
Russell King | 00dc4f9 | 2007-08-20 10:09:18 +0100 | [diff] [blame] | 335 | struct platform_device pxa27x_device_i2c_power = { |
Russell King | 34f3231 | 2007-05-15 10:39:49 +0100 | [diff] [blame] | 336 | .name = "pxa2xx-i2c", |
| 337 | .id = 1, |
| 338 | .resource = i2c_power_resources, |
| 339 | .num_resources = ARRAY_SIZE(i2c_power_resources), |
| 340 | }; |
| 341 | |
Mike Rapoport | 9ba63c4 | 2008-08-17 06:23:05 +0100 | [diff] [blame] | 342 | void __init pxa27x_set_i2c_power_info(struct i2c_pxa_platform_data *info) |
Mike Rapoport | b7a3670 | 2008-01-27 18:14:50 +0100 | [diff] [blame] | 343 | { |
Philipp Zabel | bc3a595 | 2008-06-02 18:49:27 +0100 | [diff] [blame] | 344 | local_irq_disable(); |
| 345 | PCFR |= PCFR_PI2CEN; |
| 346 | local_irq_enable(); |
Mike Rapoport | b7a3670 | 2008-01-27 18:14:50 +0100 | [diff] [blame] | 347 | pxa27x_device_i2c_power.dev.platform_data = info; |
| 348 | } |
| 349 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 350 | static struct platform_device *devices[] __initdata = { |
Philipp Zabel | 7a85762 | 2008-06-22 23:36:39 +0100 | [diff] [blame] | 351 | &pxa27x_device_udc, |
Eric Miao | e09d02e | 2007-07-17 10:45:58 +0100 | [diff] [blame] | 352 | &pxa_device_ffuart, |
| 353 | &pxa_device_btuart, |
| 354 | &pxa_device_stuart, |
Eric Miao | e09d02e | 2007-07-17 10:45:58 +0100 | [diff] [blame] | 355 | &pxa_device_i2s, |
Eric Miao | e09d02e | 2007-07-17 10:45:58 +0100 | [diff] [blame] | 356 | &pxa_device_rtc, |
| 357 | &pxa27x_device_i2c_power, |
eric miao | d8e0db1 | 2007-12-10 17:54:36 +0800 | [diff] [blame] | 358 | &pxa27x_device_ssp1, |
| 359 | &pxa27x_device_ssp2, |
| 360 | &pxa27x_device_ssp3, |
eric miao | 75540c1 | 2008-04-13 21:44:04 +0100 | [diff] [blame] | 361 | &pxa27x_device_pwm0, |
| 362 | &pxa27x_device_pwm1, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 363 | }; |
| 364 | |
eric miao | c0165504 | 2008-01-28 23:00:02 +0000 | [diff] [blame] | 365 | static struct sys_device pxa27x_sysdev[] = { |
| 366 | { |
eric miao | c0165504 | 2008-01-28 23:00:02 +0000 | [diff] [blame] | 367 | .cls = &pxa_irq_sysclass, |
eric miao | 16dfdbf | 2008-01-28 23:00:02 +0000 | [diff] [blame] | 368 | }, { |
Eric Miao | 5a3d965 | 2008-09-03 18:06:34 +0800 | [diff] [blame] | 369 | .cls = &pxa2xx_mfp_sysclass, |
| 370 | }, { |
eric miao | 16dfdbf | 2008-01-28 23:00:02 +0000 | [diff] [blame] | 371 | .cls = &pxa_gpio_sysclass, |
eric miao | c0165504 | 2008-01-28 23:00:02 +0000 | [diff] [blame] | 372 | }, |
| 373 | }; |
| 374 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 375 | static int __init pxa27x_init(void) |
| 376 | { |
eric miao | c0165504 | 2008-01-28 23:00:02 +0000 | [diff] [blame] | 377 | int i, ret = 0; |
| 378 | |
Russell King | e176bb0 | 2007-05-15 11:16:10 +0100 | [diff] [blame] | 379 | if (cpu_is_pxa27x()) { |
Eric Miao | 04fef22 | 2008-07-29 14:26:00 +0800 | [diff] [blame] | 380 | |
| 381 | reset_status = RCSR; |
| 382 | |
Russell King | a6dba20 | 2007-08-20 10:18:02 +0100 | [diff] [blame] | 383 | clks_register(pxa27x_clks, ARRAY_SIZE(pxa27x_clks)); |
| 384 | |
Eric Miao | f53f066 | 2007-06-22 05:40:17 +0100 | [diff] [blame] | 385 | if ((ret = pxa_init_dma(32))) |
| 386 | return ret; |
eric miao | f79299c | 2008-01-02 08:24:49 +0800 | [diff] [blame] | 387 | |
Eric Miao | 711be5c | 2007-07-18 11:38:45 +0100 | [diff] [blame] | 388 | pxa27x_init_pm(); |
eric miao | f79299c | 2008-01-02 08:24:49 +0800 | [diff] [blame] | 389 | |
eric miao | c0165504 | 2008-01-28 23:00:02 +0000 | [diff] [blame] | 390 | for (i = 0; i < ARRAY_SIZE(pxa27x_sysdev); i++) { |
| 391 | ret = sysdev_register(&pxa27x_sysdev[i]); |
| 392 | if (ret) |
| 393 | pr_err("failed to register sysdev[%d]\n", i); |
| 394 | } |
| 395 | |
Russell King | e176bb0 | 2007-05-15 11:16:10 +0100 | [diff] [blame] | 396 | ret = platform_add_devices(devices, ARRAY_SIZE(devices)); |
| 397 | } |
eric miao | c0165504 | 2008-01-28 23:00:02 +0000 | [diff] [blame] | 398 | |
Russell King | e176bb0 | 2007-05-15 11:16:10 +0100 | [diff] [blame] | 399 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 400 | } |
| 401 | |
Russell King | 1c104e0 | 2008-04-19 10:59:24 +0100 | [diff] [blame] | 402 | postcore_initcall(pxa27x_init); |