msp_prom.h

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/*
 * MIPS boards bootprom interface for the Linux kernel.
 *
 * Copyright (C) 2000 MIPS Technologies, Inc.  All rights reserved.
 * Author: Carsten Langgaard, [email protected]
 *
 * ########################################################################
 *
 *  This program is free software; you can distribute it and/or modify it
 *  under the terms of the GNU General Public License (Version 2) as
 *  published by the Free Software Foundation.
 *
 *  This program is distributed in the hope it will be useful, but WITHOUT
 *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 *  for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
 *
 * ########################################################################
 */

#ifndef _ASM_MSP_PROM_H
#define _ASM_MSP_PROM_H

#include <linux/types.h>

#define DEVICEID            "deviceid"
#define FEATURES            "features"
#define PROM_ENV            "prom_env"
#define PROM_ENV_FILE           "/proc/"PROM_ENV
#define PROM_ENV_SIZE           256

#define CPU_DEVID_FAMILY        0x0000ff00
#define CPU_DEVID_REVISION      0x000000ff

#define FPGA_IS_POLO(revision) \
        (((revision >= 0xb0) && (revision < 0xd0)))
#define FPGA_IS_5000(revision) \
        ((revision >= 0x80) && (revision <= 0x90))
#define FPGA_IS_ZEUS(revision)      ((revision < 0x7f))
#define FPGA_IS_DUET(revision) \
        (((revision >= 0xa0) && (revision < 0xb0)))
#define FPGA_IS_MSP4200(revision)   ((revision >= 0xd0))
#define FPGA_IS_MSP7100(revision)   ((revision >= 0xd0))

#define MACHINE_TYPE_POLO       "POLO"
#define MACHINE_TYPE_DUET       "DUET"
#define MACHINE_TYPE_ZEUS       "ZEUS"
#define MACHINE_TYPE_MSP2000REVB    "MSP2000REVB"
#define MACHINE_TYPE_MSP5000        "MSP5000"
#define MACHINE_TYPE_MSP4200        "MSP4200"
#define MACHINE_TYPE_MSP7120        "MSP7120"
#define MACHINE_TYPE_MSP7130        "MSP7130"
#define MACHINE_TYPE_OTHER      "OTHER"

#define MACHINE_TYPE_POLO_FPGA      "POLO-FPGA"
#define MACHINE_TYPE_DUET_FPGA      "DUET-FPGA"
#define MACHINE_TYPE_ZEUS_FPGA      "ZEUS_FPGA"
#define MACHINE_TYPE_MSP2000REVB_FPGA   "MSP2000REVB-FPGA"
#define MACHINE_TYPE_MSP5000_FPGA   "MSP5000-FPGA"
#define MACHINE_TYPE_MSP4200_FPGA   "MSP4200-FPGA"
#define MACHINE_TYPE_MSP7100_FPGA   "MSP7100-FPGA"
#define MACHINE_TYPE_OTHER_FPGA     "OTHER-FPGA"

/* Device Family definitions */
#define FAMILY_FPGA         0x0000
#define FAMILY_ZEUS         0x1000
#define FAMILY_POLO         0x2000
#define FAMILY_DUET         0x4000
#define FAMILY_TRIAD            0x5000
#define FAMILY_MSP4200          0x4200
#define FAMILY_MSP4200_FPGA     0x4f00
#define FAMILY_MSP7100          0x7100
#define FAMILY_MSP7100_FPGA     0x7f00

/* Device Type definitions */
#define TYPE_MSP7120            0x7120
#define TYPE_MSP7130            0x7130

#define ENET_KEY        'E'
#define ENETTXD_KEY     'e'
#define PCI_KEY         'P'
#define PCIMUX_KEY      'p'
#define SEC_KEY         'S'
#define SPAD_KEY        'D'
#define TDM_KEY         'T'
#define ZSP_KEY         'Z'

#define FEATURE_NOEXIST     '-'
#define FEATURE_EXIST       '+'

#define ENET_MII        'M'
#define ENET_RMII       'R'

#define ENETTXD_FALLING     'F'
#define ENETTXD_RISING      'R'

#define PCI_HOST        'H'
#define PCI_PERIPHERAL      'P'

#define PCIMUX_FULL     'F'
#define PCIMUX_SINGLE       'S'

#define SEC_DUET        'D'
#define SEC_POLO        'P'
#define SEC_SLOW        'S'
#define SEC_TRIAD       'T'

#define SPAD_POLO       'P'

#define TDM_DUET        'D' /* DUET TDMs might exist */
#define TDM_POLO        'P' /* POLO TDMs might exist */
#define TDM_TRIAD       'T' /* TRIAD TDMs might exist */

#define ZSP_DUET        'D' /* one DUET zsp engine */
#define ZSP_TRIAD       'T' /* two TRIAD zsp engines */

extern char *prom_getenv(char *name);
extern void prom_init_cmdline(void);
extern void prom_meminit(void);
extern void prom_fixup_mem_map(unsigned long start_mem,
                   unsigned long end_mem);

extern int get_ethernet_addr(char *ethaddr_name, char *ethernet_addr);
extern unsigned long get_deviceid(void);
extern char identify_enet(unsigned long interface_num);
extern char identify_enetTxD(unsigned long interface_num);
extern char identify_pci(void);
extern char identify_sec(void);
extern char identify_spad(void);
extern char identify_sec(void);
extern char identify_tdm(void);
extern char identify_zsp(void);
extern unsigned long identify_family(void);
extern unsigned long identify_revision(void);

/*
 * The following macro calls prom_printf and puts the format string
 * into an init section so it can be reclaimed.
 */
#define ppfinit(f, x...) \
    do { \
        static char _f[] __initdata = KERN_INFO f; \
        printk(_f, ## x); \
    } while (0)

/* Memory descriptor management. */
#define PROM_MAX_PMEMBLOCKS    7    /* 6 used */

enum yamon_memtypes {
    yamon_dontuse,
    yamon_prom,
    yamon_free,
};

struct prom_pmemblock {
    unsigned long base; /* Within KSEG0. */
    unsigned int size;  /* In bytes. */
    unsigned int type;  /* free or prom memory */
};

extern int prom_argc;
extern char **prom_argv;
extern char **prom_envp;
extern int *prom_vec;
extern struct prom_pmemblock *prom_getmdesc(void);

#endif /* !_ASM_MSP_PROM_H */