mirror of https://gitee.com/openkylin/linux.git
146 lines
3.3 KiB
C
146 lines
3.3 KiB
C
/*
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* linux/include/asm-arm/arch-omap/board.h
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*
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* Information structures for board-specific data
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*
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* Copyright (C) 2004 Nokia Corporation
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* Written by Juha Yrjölä <juha.yrjola@nokia.com>
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*/
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#ifndef _OMAP_BOARD_H
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#define _OMAP_BOARD_H
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#include <linux/config.h>
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#include <linux/types.h>
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/* Different peripheral ids */
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#define OMAP_TAG_CLOCK 0x4f01
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#define OMAP_TAG_MMC 0x4f02
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#define OMAP_TAG_SERIAL_CONSOLE 0x4f03
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#define OMAP_TAG_USB 0x4f04
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#define OMAP_TAG_LCD 0x4f05
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#define OMAP_TAG_GPIO_SWITCH 0x4f06
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#define OMAP_TAG_UART 0x4f07
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#define OMAP_TAG_BOOT_REASON 0x4f80
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#define OMAP_TAG_FLASH_PART 0x4f81
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struct omap_clock_config {
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/* 0 for 12 MHz, 1 for 13 MHz and 2 for 19.2 MHz */
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u8 system_clock_type;
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};
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struct omap_mmc_conf {
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unsigned enabled:1;
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/* nomux means "standard" muxing is wrong on this board, and that
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* board-specific code handled it before common init logic.
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*/
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unsigned nomux:1;
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/* switch pin can be for card detect (default) or card cover */
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unsigned cover:1;
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/* 4 wire signaling is optional, and is only used for SD/SDIO */
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unsigned wire4:1;
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s16 power_pin;
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s16 switch_pin;
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s16 wp_pin;
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};
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struct omap_mmc_config {
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struct omap_mmc_conf mmc[2];
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};
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struct omap_serial_console_config {
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u8 console_uart;
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u32 console_speed;
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};
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struct omap_usb_config {
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/* Configure drivers according to the connectors on your board:
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* - "A" connector (rectagular)
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* ... for host/OHCI use, set "register_host".
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* - "B" connector (squarish) or "Mini-B"
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* ... for device/gadget use, set "register_dev".
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* - "Mini-AB" connector (very similar to Mini-B)
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* ... for OTG use as device OR host, initialize "otg"
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*/
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unsigned register_host:1;
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unsigned register_dev:1;
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u8 otg; /* port number, 1-based: usb1 == 2 */
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u8 hmc_mode;
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/* implicitly true if otg: host supports remote wakeup? */
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u8 rwc;
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/* signaling pins used to talk to transceiver on usbN:
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* 0 == usbN unused
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* 2 == usb0-only, using internal transceiver
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* 3 == 3 wire bidirectional
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* 4 == 4 wire bidirectional
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* 6 == 6 wire unidirectional (or TLL)
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*/
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u8 pins[3];
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};
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struct omap_lcd_config {
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char panel_name[16];
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char ctrl_name[16];
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};
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/* Cover:
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* high -> closed
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* low -> open
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* Connection:
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* high -> connected
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* low -> disconnected
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*/
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#define OMAP_GPIO_SWITCH_TYPE_COVER 0x0000
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#define OMAP_GPIO_SWITCH_TYPE_CONNECTION 0x0001
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#define OMAP_GPIO_SWITCH_FLAG_INVERTED 0x0001
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#define OMAP_GPIO_SWITCH_FLAG_OUTPUT 0x0002
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struct omap_gpio_switch_config {
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char name[12];
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u16 gpio;
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int flags:4;
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int type:4;
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int key_code:24; /* Linux key code */
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};
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struct omap_flash_part_config {
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char part_table[0];
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};
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struct omap_boot_reason_config {
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char reason_str[12];
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};
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struct omap_uart_config {
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/* Bit field of UARTs present; bit 0 --> UART1 */
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unsigned int enabled_uarts;
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};
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struct omap_board_config_entry {
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u16 tag;
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u16 len;
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u8 data[0];
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};
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struct omap_board_config_kernel {
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u16 tag;
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const void *data;
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};
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extern const void *__omap_get_config(u16 tag, size_t len, int nr);
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#define omap_get_config(tag, type) \
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((const type *) __omap_get_config((tag), sizeof(type), 0))
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#define omap_get_nr_config(tag, type, nr) \
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((const type *) __omap_get_config((tag), sizeof(type), (nr)))
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extern const void *omap_get_var_config(u16 tag, size_t *len);
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extern struct omap_board_config_kernel *omap_board_config;
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extern int omap_board_config_size;
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#endif
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