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      1 /*
      2  * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
      3  * Copyright (c) 2002-2008 Atheros Communications, Inc.
      4  *
      5  * Permission to use, copy, modify, and/or distribute this software for any
      6  * purpose with or without fee is hereby granted, provided that the above
      7  * copyright notice and this permission notice appear in all copies.
      8  *
      9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
     10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
     11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
     12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
     14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
     15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     16  *
     17  * $Id: ah_soc.h,v 1.1.1.1 2008/12/11 04:46:27 alc Exp $
     18  */
     19 #ifndef _ATH_AH_SOC_H_
     20 #define _ATH_AH_SOC_H_
     21 /*
     22  * Atheros System on Chip (SoC) public definitions.
     23  */
     24 
     25 /*
     26  * This is board-specific data that is stored in a "known"
     27  * location in flash.  To find the start of this data search
     28  * back from the (aliased) end of flash by 0x1000 bytes at a
     29  * time until you find the string "5311", which marks the
     30  * start of Board Configuration.  Typically one gives up if
     31  * more than 500KB is searched.
     32  */
     33 struct ar531x_boarddata {
     34 	uint32_t magic;             /* board data is valid */
     35 #define AR531X_BD_MAGIC 0x35333131   /* "5311", for all 531x platforms */
     36 	uint16_t cksum;             /* checksum (starting with BD_REV 2) */
     37 	uint16_t rev;               /* revision of this struct */
     38 #define BD_REV  4
     39 	char   boardName[64];        /* Name of board */
     40 	uint16_t major;             /* Board major number */
     41 	uint16_t minor;             /* Board minor number */
     42 	uint32_t config;            /* Board configuration */
     43 #define BD_ENET0        0x00000001   /* ENET0 is stuffed */
     44 #define BD_ENET1        0x00000002   /* ENET1 is stuffed */
     45 #define BD_UART1        0x00000004   /* UART1 is stuffed */
     46 #define BD_UART0        0x00000008   /* UART0 is stuffed (dma) */
     47 #define BD_RSTFACTORY   0x00000010   /* Reset factory defaults stuffed */
     48 #define BD_SYSLED       0x00000020   /* System LED stuffed */
     49 #define BD_EXTUARTCLK   0x00000040   /* External UART clock */
     50 #define BD_CPUFREQ      0x00000080   /* cpu freq is valid in nvram */
     51 #define BD_SYSFREQ      0x00000100   /* sys freq is set in nvram */
     52 #define BD_WLAN0        0x00000200   /* Enable WLAN0 */
     53 #define BD_MEMCAP       0x00000400   /* CAP SDRAM @ memCap for testing */
     54 #define BD_DISWATCHDOG  0x00000800   /* disable system watchdog */
     55 #define BD_WLAN1        0x00001000   /* Enable WLAN1 (ar5212) */
     56 #define BD_ISCASPER     0x00002000   /* FLAG for AR2312 */
     57 #define BD_WLAN0_2G_EN  0x00004000   /* FLAG for radio0_2G */
     58 #define BD_WLAN0_5G_EN  0x00008000   /* FLAG for radio0_2G */
     59 #define BD_WLAN1_2G_EN  0x00020000   /* FLAG for radio0_2G */
     60 #define BD_WLAN1_5G_EN  0x00040000   /* FLAG for radio0_2G */
     61 	uint16_t resetConfigGpio;   /* Reset factory GPIO pin */
     62 	uint16_t sysLedGpio;        /* System LED GPIO pin */
     63 
     64 	uint32_t cpuFreq;           /* CPU core frequency in Hz */
     65 	uint32_t sysFreq;           /* System frequency in Hz */
     66 	uint32_t cntFreq;           /* Calculated C0_COUNT frequency */
     67 
     68 	uint8_t  wlan0Mac[6];
     69 	uint8_t  enet0Mac[6];
     70 	uint8_t  enet1Mac[6];
     71 
     72 	uint16_t pciId;             /* Pseudo PCIID for common code */
     73 	uint16_t memCap;            /* cap bank1 in MB */
     74 
     75 	/* version 3 */
     76 	uint8_t  wlan1Mac[6];       /* (ar5212) */
     77 };
     78 
     79 /*
     80  * Board support data.  The driver is required to locate
     81  * and fill-in this information before passing a reference to
     82  * this structure as the HAL_BUS_TAG parameter supplied to
     83  * ath_hal_attach.
     84  */
     85 struct ar531x_config {
     86 	const struct ar531x_boarddata *board;	/* board config data */
     87 	const char	*radio;			/* radio config data */
     88 	int		unit;			/* unit number [0, 1] */
     89 	void		*tag;			/* bus space tag */
     90 };
     91 #endif	/* _ATH_AH_SOC_H_ */
     92