arch/mips/include/asm/octeon/cvmx-bootinfo.h

/***********************license start***************
 * Author: Cavium Networks
 *
 * Contact: support@caviumnetworks.com
 * This file is part of the OCTEON SDK
 *
 * Copyright (c) 2003-2008 Cavium Networks
 *
 * This file is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License, Version 2, as
 * published by the Free Software Foundation.
 *
 * This file is distributed in the hope that it will be useful, but
 * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
 * NONINFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this file; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 * or visit http://www.gnu.org/licenses/.
 *
 * This file may also be available under a different license from Cavium.
 * Contact Cavium Networks for more information
 ***********************license end**************************************/

/*
 * Header file containing the ABI with the bootloader.
 */

#ifndef __CVMX_BOOTINFO_H__
#define __CVMX_BOOTINFO_H__

/*
 * Current major and minor versions of the CVMX bootinfo block that is
 * passed from the bootloader to the application.  This is versioned
 * so that applications can properly handle multiple bootloader
 * versions.
 */
#define CVMX_BOOTINFO_MAJ_VER 1
#define CVMX_BOOTINFO_MIN_VER 2

#if (CVMX_BOOTINFO_MAJ_VER == 1)
#define CVMX_BOOTINFO_OCTEON_SERIAL_LEN 20
/*
 * This structure is populated by the bootloader.  For binary
 * compatibility the only changes that should be made are
 * adding members to the end of the structure, and the minor
 * version should be incremented at that time.
 * If an incompatible change is made, the major version
 * must be incremented, and the minor version should be reset
 * to 0.
 */
struct cvmx_bootinfo {
	uint32_t major_version;
	uint32_t minor_version;

	uint64_t stack_top;
	uint64_t heap_base;
	uint64_t heap_end;
	uint64_t desc_vaddr;

	uint32_t exception_base_addr;
	uint32_t stack_size;
	uint32_t flags;
	uint32_t core_mask;
	/* DRAM size in megabytes */
	uint32_t dram_size;
	/* physical address of free memory descriptor block*/
	uint32_t phy_mem_desc_addr;
	/* used to pass flags from app to debugger */
	uint32_t debugger_flags_base_addr;

	/* CPU clock speed, in hz */
	uint32_t eclock_hz;

	/* DRAM clock speed, in hz */
	uint32_t dclock_hz;

	uint32_t reserved0;
	uint16_t board_type;
	uint8_t board_rev_major;
	uint8_t board_rev_minor;
	uint16_t reserved1;
	uint8_t reserved2;
	uint8_t reserved3;
	char board_serial_number[CVMX_BOOTINFO_OCTEON_SERIAL_LEN];
	uint8_t mac_addr_base[6];
	uint8_t mac_addr_count;
#if (CVMX_BOOTINFO_MIN_VER >= 1)
	/*
	 * Several boards support compact flash on the Octeon boot
	 * bus.  The CF memory spaces may be mapped to different
	 * addresses on different boards.  These are the physical
	 * addresses, so care must be taken to use the correct
	 * XKPHYS/KSEG0 addressing depending on the application's
	 * ABI.  These values will be 0 if CF is not present.
	 */
	uint64_t compact_flash_common_base_addr;
	uint64_t compact_flash_attribute_base_addr;
	/*
	 * Base address of the LED display (as on EBT3000 board)
	 * This will be 0 if LED display not present.
	 */
	uint64_t led_display_base_addr;
#endif
#if (CVMX_BOOTINFO_MIN_VER >= 2)
	/* DFA reference clock in hz (if applicable)*/
	uint32_t dfa_ref_clock_hz;

	/*
	 * flags indicating various configuration options.  These
	 * flags supercede the 'flags' variable and should be used
	 * instead if available.
	 */
	uint32_t config_flags;
#endif

};

#define CVMX_BOOTINFO_CFG_FLAG_PCI_HOST			(1ull << 0)
#define CVMX_BOOTINFO_CFG_FLAG_PCI_TARGET		(1ull << 1)
#define CVMX_BOOTINFO_CFG_FLAG_DEBUG			(1ull << 2)
#define CVMX_BOOTINFO_CFG_FLAG_NO_MAGIC			(1ull << 3)
/* This flag is set if the TLB mappings are not contained in the
 * 0x10000000 - 0x20000000 boot bus region. */
#define CVMX_BOOTINFO_CFG_FLAG_OVERSIZE_TLB_MAPPING     (1ull << 4)
#define CVMX_BOOTINFO_CFG_FLAG_BREAK			(1ull << 5)

#endif /*   (CVMX_BOOTINFO_MAJ_VER == 1) */

/* Type defines for board and chip types */
enum cvmx_board_types_enum {
	CVMX_BOARD_TYPE_NULL = 0,
	CVMX_BOARD_TYPE_SIM = 1,
	CVMX_BOARD_TYPE_EBT3000 = 2,
	CVMX_BOARD_TYPE_KODAMA = 3,
	CVMX_BOARD_TYPE_NIAGARA = 4,
	CVMX_BOARD_TYPE_NAC38 = 5,	/* formerly NAO38 */
	CVMX_BOARD_TYPE_THUNDER = 6,
	CVMX_BOARD_TYPE_TRANTOR = 7,
	CVMX_BOARD_TYPE_EBH3000 = 8,
	CVMX_BOARD_TYPE_EBH3100 = 9,
	CVMX_BOARD_TYPE_HIKARI = 10,
	CVMX_BOARD_TYPE_CN3010_EVB_HS5 = 11,
	CVMX_BOARD_TYPE_CN3005_EVB_HS5 = 12,
	CVMX_BOARD_TYPE_KBP = 13,
	/* Deprecated, CVMX_BOARD_TYPE_CN3010_EVB_HS5 supports the CN3020 */
	CVMX_BOARD_TYPE_CN3020_EVB_HS5 = 14,
	CVMX_BOARD_TYPE_EBT5800 = 15,
	CVMX_BOARD_TYPE_NICPRO2 = 16,
	CVMX_BOARD_TYPE_EBH5600 = 17,
	CVMX_BOARD_TYPE_EBH5601 = 18,
	CVMX_BOARD_TYPE_EBH5200 = 19,
	CVMX_BOARD_TYPE_BBGW_REF = 20,
	CVMX_BOARD_TYPE_NIC_XLE_4G = 21,
	CVMX_BOARD_TYPE_EBT5600 = 22,
	CVMX_BOARD_TYPE_EBH5201 = 23,
	CVMX_BOARD_TYPE_MAX,

	/*
	 * The range from CVMX_BOARD_TYPE_MAX to
	 * CVMX_BOARD_TYPE_CUST_DEFINED_MIN is reserved for future
	 * SDK use.
	 */

	/*
	 * Set aside a range for customer boards.  These numbers are managed
	 * by Cavium.
	 */
	CVMX_BOARD_TYPE_CUST_DEFINED_MIN = 10000,
	CVMX_BOARD_TYPE_CUST_WSX16 = 10001,
	CVMX_BOARD_TYPE_CUST_NS0216 = 10002,
	CVMX_BOARD_TYPE_CUST_NB5 = 10003,
	CVMX_BOARD_TYPE_CUST_WMR500 = 10004,
	CVMX_BOARD_TYPE_CUST_DEFINED_MAX = 20000,

	/*
	 * Set aside a range for customer private use.  The SDK won't
	 * use any numbers in this range.
	 */
	CVMX_BOARD_TYPE_CUST_PRIVATE_MIN = 20001,
	CVMX_BOARD_TYPE_CUST_PRIVATE_MAX = 30000,

	/* The remaining range is reserved for future use. */
};

enum cvmx_chip_types_enum {
	CVMX_CHIP_TYPE_NULL = 0,
	CVMX_CHIP_SIM_TYPE_DEPRECATED = 1,
	CVMX_CHIP_TYPE_OCTEON_SAMPLE = 2,
	CVMX_CHIP_TYPE_MAX,
};

/* Compatability alias for NAC38 name change, planned to be removed
 * from SDK 1.7 */
#define CVMX_BOARD_TYPE_NAO38	CVMX_BOARD_TYPE_NAC38

/* Functions to return string based on type */
#define ENUM_BRD_TYPE_CASE(x) \
	case x: return(#x + 16);	/* Skip CVMX_BOARD_TYPE_ */
static inline const char *cvmx_board_type_to_string(enum
						    cvmx_board_types_enum type)
{
	switch (type) {
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_NULL)
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_SIM)
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBT3000)
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_KODAMA)
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_NIAGARA)
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_NAC38)
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_THUNDER)
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_TRANTOR)
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBH3000)
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBH3100)
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_HIKARI)
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CN3010_EVB_HS5)
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CN3005_EVB_HS5)
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_KBP)
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CN3020_EVB_HS5)
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBT5800)
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_NICPRO2)
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBH5600)
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBH5601)
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBH5200)
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_BBGW_REF)
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_NIC_XLE_4G)
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBT5600)
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBH5201)
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_MAX)

			/* Customer boards listed here */
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_DEFINED_MIN)
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_WSX16)
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_NS0216)
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_NB5)
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_WMR500)
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_DEFINED_MAX)

		    /* Customer private range */
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_PRIVATE_MIN)
		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_PRIVATE_MAX)
	}
	return "Unsupported Board";
}

#define ENUM_CHIP_TYPE_CASE(x) \
	case x: return(#x + 15);	/* Skip CVMX_CHIP_TYPE */
static inline const char *cvmx_chip_type_to_string(enum
						   cvmx_chip_types_enum type)
{
	switch (type) {
		ENUM_CHIP_TYPE_CASE(CVMX_CHIP_TYPE_NULL)
		    ENUM_CHIP_TYPE_CASE(CVMX_CHIP_SIM_TYPE_DEPRECATED)
		    ENUM_CHIP_TYPE_CASE(CVMX_CHIP_TYPE_OCTEON_SAMPLE)
		    ENUM_CHIP_TYPE_CASE(CVMX_CHIP_TYPE_MAX)
	}
	return "Unsupported Chip";
}

#endif /* __CVMX_BOOTINFO_H__ */