board.h 7.1 KB

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  1. /*
  2. * arch/arm/mach-at91/include/mach/board.h
  3. *
  4. * Copyright (C) 2005 HP Labs
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License as published by
  8. * the Free Software Foundation; either version 2 of the License, or
  9. * (at your option) any later version.
  10. *
  11. * This program is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14. * GNU General Public License for more details.
  15. *
  16. * You should have received a copy of the GNU General Public License
  17. * along with this program; if not, write to the Free Software
  18. * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  19. */
  20. /*
  21. * These are data structures found in platform_device.dev.platform_data,
  22. * and describing board-specific data needed by drivers. For example,
  23. * which pin is used for a given GPIO role.
  24. *
  25. * In 2.6, drivers should strongly avoid board-specific knowledge so
  26. * that supporting new boards normally won't require driver patches.
  27. * Most board-specific knowledge should be in arch/.../board-*.c files.
  28. */
  29. #ifndef __ASM_ARCH_BOARD_H
  30. #define __ASM_ARCH_BOARD_H
  31. #include <linux/mtd/partitions.h>
  32. #include <linux/device.h>
  33. #include <linux/i2c.h>
  34. #include <linux/leds.h>
  35. #include <linux/spi/spi.h>
  36. #include <linux/usb/atmel_usba_udc.h>
  37. #include <linux/atmel-mci.h>
  38. #include <sound/atmel-ac97c.h>
  39. #include <linux/serial.h>
  40. /* USB Device */
  41. struct at91_udc_data {
  42. u8 vbus_pin; /* high == host powering us */
  43. u8 vbus_active_low; /* vbus polarity */
  44. u8 vbus_polled; /* Use polling, not interrupt */
  45. u8 pullup_pin; /* active == D+ pulled up */
  46. u8 pullup_active_low; /* true == pullup_pin is active low */
  47. };
  48. extern void __init at91_add_device_udc(struct at91_udc_data *data);
  49. /* USB High Speed Device */
  50. extern void __init at91_add_device_usba(struct usba_platform_data *data);
  51. /* Compact Flash */
  52. struct at91_cf_data {
  53. u8 irq_pin; /* I/O IRQ */
  54. u8 det_pin; /* Card detect */
  55. u8 vcc_pin; /* power switching */
  56. u8 rst_pin; /* card reset */
  57. u8 chipselect; /* EBI Chip Select number */
  58. u8 flags;
  59. #define AT91_CF_TRUE_IDE 0x01
  60. #define AT91_IDE_SWAP_A0_A2 0x02
  61. };
  62. extern void __init at91_add_device_cf(struct at91_cf_data *data);
  63. /* MMC / SD */
  64. /* at91_mci platform config */
  65. struct at91_mmc_data {
  66. u8 det_pin; /* card detect IRQ */
  67. unsigned slot_b:1; /* uses Slot B */
  68. unsigned wire4:1; /* (SD) supports DAT0..DAT3 */
  69. u8 wp_pin; /* (SD) writeprotect detect */
  70. u8 vcc_pin; /* power switching (high == on) */
  71. };
  72. extern void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data);
  73. /* atmel-mci platform config */
  74. extern void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data);
  75. /* Ethernet (EMAC & MACB) */
  76. struct at91_eth_data {
  77. u32 phy_mask;
  78. u8 phy_irq_pin; /* PHY IRQ */
  79. u8 is_rmii; /* using RMII interface? */
  80. };
  81. extern void __init at91_add_device_eth(struct at91_eth_data *data);
  82. #if defined(CONFIG_ARCH_AT91SAM9260) || defined(CONFIG_ARCH_AT91SAM9263) || defined(CONFIG_ARCH_AT91SAM9G20) || defined(CONFIG_ARCH_AT91CAP9) \
  83. || defined(CONFIG_ARCH_AT91SAM9G45) || defined(CONFIG_ARCH_AT572D940HF)
  84. #define eth_platform_data at91_eth_data
  85. #endif
  86. /* USB Host */
  87. struct at91_usbh_data {
  88. u8 ports; /* number of ports on root hub */
  89. u8 vbus_pin[2]; /* port power-control pin */
  90. };
  91. extern void __init at91_add_device_usbh(struct at91_usbh_data *data);
  92. extern void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data);
  93. extern void __init at91_add_device_usbh_ehci(struct at91_usbh_data *data);
  94. /* NAND / SmartMedia */
  95. struct atmel_nand_data {
  96. u8 enable_pin; /* chip enable */
  97. u8 det_pin; /* card detect */
  98. u8 rdy_pin; /* ready/busy */
  99. u8 rdy_pin_active_low; /* rdy_pin value is inverted */
  100. u8 ale; /* address line number connected to ALE */
  101. u8 cle; /* address line number connected to CLE */
  102. u8 bus_width_16; /* buswidth is 16 bit */
  103. struct mtd_partition* (*partition_info)(int, int*);
  104. };
  105. extern void __init at91_add_device_nand(struct atmel_nand_data *data);
  106. /* I2C*/
  107. #if defined(CONFIG_ARCH_AT91SAM9G45)
  108. extern void __init at91_add_device_i2c(short i2c_id, struct i2c_board_info *devices, int nr_devices);
  109. #else
  110. extern void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices);
  111. #endif
  112. /* SPI */
  113. extern void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices);
  114. /* Serial */
  115. #define ATMEL_UART_CTS 0x01
  116. #define ATMEL_UART_RTS 0x02
  117. #define ATMEL_UART_DSR 0x04
  118. #define ATMEL_UART_DTR 0x08
  119. #define ATMEL_UART_DCD 0x10
  120. #define ATMEL_UART_RI 0x20
  121. extern void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins);
  122. extern void __init at91_set_serial_console(unsigned portnr);
  123. struct at91_uart_config {
  124. unsigned short console_tty; /* tty number of serial console */
  125. unsigned short nr_tty; /* number of serial tty's */
  126. short tty_map[]; /* map UART to tty number */
  127. };
  128. extern struct platform_device *atmel_default_console_device;
  129. extern void __init __deprecated at91_init_serial(struct at91_uart_config *config);
  130. struct atmel_uart_data {
  131. short use_dma_tx; /* use transmit DMA? */
  132. short use_dma_rx; /* use receive DMA? */
  133. void __iomem *regs; /* virt. base address, if any */
  134. struct serial_rs485 rs485; /* rs485 settings */
  135. };
  136. extern void __init at91_add_device_serial(void);
  137. /*
  138. * PWM
  139. */
  140. #define AT91_PWM0 0
  141. #define AT91_PWM1 1
  142. #define AT91_PWM2 2
  143. #define AT91_PWM3 3
  144. extern void __init at91_add_device_pwm(u32 mask);
  145. /*
  146. * SSC -- accessed through ssc_request(id). Drivers don't bind to SSC
  147. * platform devices. Their SSC ID is part of their configuration data,
  148. * along with information about which SSC signals they should use.
  149. */
  150. #define ATMEL_SSC_TK 0x01
  151. #define ATMEL_SSC_TF 0x02
  152. #define ATMEL_SSC_TD 0x04
  153. #define ATMEL_SSC_TX (ATMEL_SSC_TK | ATMEL_SSC_TF | ATMEL_SSC_TD)
  154. #define ATMEL_SSC_RK 0x10
  155. #define ATMEL_SSC_RF 0x20
  156. #define ATMEL_SSC_RD 0x40
  157. #define ATMEL_SSC_RX (ATMEL_SSC_RK | ATMEL_SSC_RF | ATMEL_SSC_RD)
  158. extern void __init at91_add_device_ssc(unsigned id, unsigned pins);
  159. /* LCD Controller */
  160. struct atmel_lcdfb_info;
  161. extern void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data);
  162. /* AC97 */
  163. extern void __init at91_add_device_ac97(struct ac97c_platform_data *data);
  164. /* ISI */
  165. extern void __init at91_add_device_isi(void);
  166. /* Touchscreen Controller */
  167. struct at91_tsadcc_data {
  168. unsigned int adc_clock;
  169. u8 pendet_debounce;
  170. u8 ts_sample_hold_time;
  171. };
  172. extern void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data);
  173. /* CAN */
  174. struct at91_can_data {
  175. void (*transceiver_switch)(int on);
  176. };
  177. extern void __init at91_add_device_can(struct at91_can_data *data);
  178. /* LEDs */
  179. extern void __init at91_init_leds(u8 cpu_led, u8 timer_led);
  180. extern void __init at91_gpio_leds(struct gpio_led *leds, int nr);
  181. extern void __init at91_pwm_leds(struct gpio_led *leds, int nr);
  182. /* AT572D940HF DSP */
  183. extern void __init at91_add_device_mAgic(void);
  184. /* FIXME: this needs a better location, but gets stuff building again */
  185. extern int at91_suspend_entering_slow_clock(void);
  186. #endif