Commit 1f045217 authored by wdenk's avatar wdenk

Initial revision

parent 161961b4
#
# (C) Copyright 2000
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# See file CREDITS for list of people who contributed to this
# project.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that 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
#
include $(TOPDIR)/config.mk
# CFLAGS += -DET_DEBUG
LIB = lib$(CPU).a
START = start.o kgdb.o
OBJS = bedbug_860.o commproc.o cpu.o cpu_init.o \
fec.o i2c.o interrupts.o lcd.o scc.o \
serial.o speed.o spi.o status_led.o\
traps.o upatch.o video.o wlkbd.o
all: .depend $(START) $(LIB)
$(LIB): $(OBJS)
$(AR) crv $@ $(OBJS) kgdb.o
#########################################################################
.depend: Makefile $(START:.o=.S) $(OBJS:.o=.c)
$(CC) -M $(CFLAGS) $(START:.o=.S) $(OBJS:.o=.c) > $@
sinclude .depend
#########################################################################
/*
* MPC8260 Internal Memory Map
* Copyright (c) 1999 Dan Malek (dmalek@jlc.net)
*
* The Internal Memory Map of the 8260. I don't know how generic
* this will be, as I don't have any knowledge of the subsequent
* parts at this time. I copied this from the 8xx_immap.h.
*/
#ifndef __IMMAP_82XX__
#define __IMMAP_82XX__
/* System configuration registers.
*/
typedef struct sys_conf {
uint sc_siumcr;
uint sc_sypcr;
char res1[6];
ushort sc_swsr;
char res2[20];
uint sc_bcr;
u_char sc_ppc_acr;
char res3[3];
uint sc_ppc_alrh;
uint sc_ppc_alrl;
u_char sc_lcl_acr;
char res4[3];
uint sc_lcl_alrh;
uint sc_lcl_alrl;
uint sc_tescr1;
uint sc_tescr2;
uint sc_ltescr1;
uint sc_ltescr2;
uint sc_pdtea;
u_char sc_pdtem;
char res5[3];
uint sc_ldtea;
u_char sc_ldtem;
char res6[163];
} sysconf8260_t;
/* Memory controller registers.
*/
typedef struct mem_ctlr {
uint memc_br0;
uint memc_or0;
uint memc_br1;
uint memc_or1;
uint memc_br2;
uint memc_or2;
uint memc_br3;
uint memc_or3;
uint memc_br4;
uint memc_or4;
uint memc_br5;
uint memc_or5;
uint memc_br6;
uint memc_or6;
uint memc_br7;
uint memc_or7;
uint memc_br8;
uint memc_or8;
uint memc_br9;
uint memc_or9;
uint memc_br10;
uint memc_or10;
uint memc_br11;
uint memc_or11;
char res1[8];
uint memc_mar;
char res2[4];
uint memc_mamr;
uint memc_mbmr;
uint memc_mcmr;
char res3[8];
ushort memc_mptpr;
char res4[2];
uint memc_mdr;
char res5[4];
uint memc_psdmr;
uint memc_lsdmr;
u_char memc_purt;
char res6[3];
u_char memc_psrt;
char res7[3];
u_char memc_lurt;
char res8[3];
u_char memc_lsrt;
char res9[3];
uint memc_immr;
char res10[84];
} memctl8260_t;
/* System Integration Timers.
*/
typedef struct sys_int_timers {
char res1[32];
ushort sit_tmcntsc;
char res2[2];
uint sit_tmcnt;
char res3[4];
uint sit_tmcntal;
char res4[16];
ushort sit_piscr;
char res5[2];
uint sit_pitc;
uint sit_pitr;
char res6[94];
char res7[2390];
} sit8260_t;
#define PISCR_PIRQ_MASK ((ushort)0xff00)
#define PISCR_PS ((ushort)0x0080)
#define PISCR_PIE ((ushort)0x0004)
#define PISCR_PTF ((ushort)0x0002)
#define PISCR_PTE ((ushort)0x0001)
/* Interrupt Controller.
*/
typedef struct interrupt_controller {
ushort ic_sicr;
char res1[2];
uint ic_sivec;
uint ic_sipnrh;
uint ic_sipnrl;
uint ic_siprr;
uint ic_scprrh;
uint ic_scprrl;
uint ic_simrh;
uint ic_simrl;
uint ic_siexr;
char res2[88];
} intctl8260_t;
/* Clocks and Reset.
*/
typedef struct clk_and_reset {
uint car_sccr;
char res1[4];
uint car_scmr;
char res2[4];
uint car_rsr;
uint car_rmr;
char res[104];
} car8260_t;
/* Input/Output Port control/status registers.
* Names consistent with processor manual, although they are different
* from the original 8xx names.......
*/
typedef struct io_port {
uint iop_pdira;
uint iop_ppara;
uint iop_psora;
uint iop_podra;
uint iop_pdata;
char res1[12];
uint iop_pdirb;
uint iop_pparb;
uint iop_psorb;
uint iop_podrb;
uint iop_pdatb;
char res2[12];
uint iop_pdirc;
uint iop_pparc;
uint iop_psorc;
uint iop_podrc;
uint iop_pdatc;
char res3[12];
uint iop_pdird;
uint iop_ppard;
uint iop_psord;
uint iop_podrd;
uint iop_pdatd;
char res4[12];
} iop8260_t;
/* Communication Processor Module Timers
*/
typedef struct cpm_timers {
u_char cpmt_tgcr1;
char res1[3];
u_char cpmt_tgcr2;
char res2[11];
ushort cpmt_tmr1;
ushort cpmt_tmr2;
ushort cpmt_trr1;
ushort cpmt_trr2;
ushort cpmt_tcr1;
ushort cpmt_tcr2;
ushort cpmt_tcn1;
ushort cpmt_tcn2;
ushort cpmt_tmr3;
ushort cpmt_tmr4;
ushort cpmt_trr3;
ushort cpmt_trr4;
ushort cpmt_tcr3;
ushort cpmt_tcr4;
ushort cpmt_tcn3;
ushort cpmt_tcn4;
ushort cpmt_ter1;
ushort cpmt_ter2;
ushort cpmt_ter3;
ushort cpmt_ter4;
char res3[584];
} cpmtimer8260_t;
/* DMA control/status registers.
*/
typedef struct sdma_csr {
char res0[24];
u_char sdma_sdsr;
char res1[3];
u_char sdma_sdmr;
char res2[3];
u_char sdma_idsr1;
char res3[3];
u_char sdma_idmr1;
char res4[3];
u_char sdma_idsr2;
char res5[3];
u_char sdma_idmr2;
char res6[3];
u_char sdma_idsr3;
char res7[3];
u_char sdma_idmr3;
char res8[3];
u_char sdma_idsr4;
char res9[3];
u_char sdma_idmr4;
char res10[707];
} sdma8260_t;
/* Fast controllers
*/
typedef struct fcc {
uint fcc_gfmr;
uint fcc_fpsmr;
ushort fcc_ftodr;
char res1[2];
ushort fcc_fdsr;
char res2[2];
ushort fcc_fcce;
char res3[2];
ushort fcc_fccm;
char res4[2];
u_char fcc_fccs;
char res5[3];
u_char fcc_ftirr_phy[4];
} fcc_t;
/* I2C
*/
typedef struct i2c {
u_char i2c_i2mod;
char res1[3];
u_char i2c_i2add;
char res2[3];
u_char i2c_i2brg;
char res3[3];
u_char i2c_i2com;
char res4[3];
u_char i2c_i2cer;
char res5[3];
u_char i2c_i2cmr;
char res6[331];
} i2c8260_t;
typedef struct scc { /* Serial communication channels */
uint scc_gsmrl;
uint scc_gsmrh;
ushort scc_psmr;
char res1[2];
ushort scc_todr;
ushort scc_dsr;
ushort scc_scce;
char res2[2];
ushort scc_sccm;
char res3;
u_char scc_sccs;
char res4[8];
} scc_t;
typedef struct smc { /* Serial management channels */
char res1[2];
ushort smc_smcmr;
char res2[2];
u_char smc_smce;
char res3[3];
u_char smc_smcm;
char res4[5];
} smc_t;
/* Serial Peripheral Interface.
*/
typedef struct im_spi {
ushort spi_spmode;
char res1[4];
u_char spi_spie;
char res2[3];
u_char spi_spim;
char res3[2];
u_char spi_spcom;
char res4[82];
} im_spi_t;
/* CPM Mux.
*/
typedef struct cpmux {
u_char cmx_si1cr;
char res1;
u_char cmx_si2cr;
char res2;
uint cmx_fcr;
uint cmx_scr;
u_char cmx_smr;
char res3;
ushort cmx_uar;
char res4[16];
} cpmux_t;
/* SIRAM control
*/
typedef struct siram {
ushort si_amr;
ushort si_bmr;
ushort si_cmr;
ushort si_dmr;
u_char si_gmr;
char res1;
u_char si_cmdr;
char res2;
u_char si_str;
char res3;
ushort si_rsr;
} siramctl_t;
typedef struct mcc {
ushort mcc_mcce;
char res1[2];
ushort mcc_mccm;
char res2[2];
u_char mcc_mccf;
char res3[7];
} mcc_t;
typedef struct comm_proc {
uint cp_cpcr;
uint cp_rccr;
char res1[14];
ushort cp_rter;
char res2[2];
ushort cp_rtmr;
ushort cp_rtscr;
char res3[2];
uint cp_rtsr;
char res4[12];
} cpm8260_t;
/* ...and the whole thing wrapped up....
*/
typedef struct immap {
/* Some references are into the unique and known dpram spaces,
* others are from the generic base.
*/
#define im_dprambase im_dpram1
u_char im_dpram1[16*1024];
char res1[16*1024];
u_char im_dpram2[4*1024];
char res2[8*1024];
u_char im_dpram3[4*1024];
char res3[16*1024];
sysconf8260_t im_siu_conf; /* SIU Configuration */
memctl8260_t im_memctl; /* Memory Controller */
sit8260_t im_sit; /* System Integration Timers */
intctl8260_t im_intctl; /* Interrupt Controller */
car8260_t im_clkrst; /* Clocks and reset */
iop8260_t im_ioport; /* IO Port control/status */
cpmtimer8260_t im_cpmtimer; /* CPM timers */
sdma8260_t im_sdma; /* SDMA control/status */
fcc_t im_fcc[3]; /* Three FCCs */
char res4[159];
/* First set of baud rate generators.
*/
char res4a[496];
uint im_brgc5;
uint im_brgc6;
uint im_brgc7;
uint im_brgc8;
char res5[608];
i2c8260_t im_i2c; /* I2C control/status */
cpm8260_t im_cpm; /* Communication processor */
/* Second set of baud rate generators.
*/
uint im_brgc1;
uint im_brgc2;
uint im_brgc3;
uint im_brgc4;
scc_t im_scc[4]; /* Four SCCs */
smc_t im_smc[2]; /* Couple of SMCs */
im_spi_t im_spi; /* A SPI */
cpmux_t im_cpmux; /* CPM clock route mux */
siramctl_t im_siramctl1; /* First SI RAM Control */
mcc_t im_mcc1; /* First MCC */
siramctl_t im_siramctl2; /* Second SI RAM Control */
mcc_t im_mcc2; /* Second MCC */
char res6[1184];
ushort im_si1txram[256];
char res7[512];
ushort im_si1rxram[256];
char res8[512];
ushort im_si2txram[256];
char res9[512];
ushort im_si2rxram[256];
char res10[512];
char res11[4096];
} immap_t;
#endif /* __IMMAP_82XX__ */
/*
* (C) Copyright 2001
* Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that 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
*
* The original I2C interface was
* (C) 2000 by Paolo Scaffardi (arsenio@tin.it)
* AIRVENT SAM s.p.a - RIMINI(ITALY)
* but has been changed substantially.
*/
#ifndef _I2C_H_
#define _I2C_H_
/*
* WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING
*
* The implementation MUST NOT use static or global variables if the
* I2C routines are used to read SDRAM configuration information
* because this is done before the memories are initialized. Limited
* use of stack-based variables are OK (the initial stack size is
* limited).
*
* WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING
*/
/*
* Configuration items.
*/
#define I2C_RXTX_LEN 128 /* maximum tx/rx buffer length */
/*
* Initialization, must be called once on start up, may be called
* repeatedly to change the speed and slave addresses.
*/
void i2c_init(int speed, int slaveaddr);
/*
* Probe the given I2C chip address. Returns 0 if a chip responded,
* not 0 on failure.
*/
int i2c_probe(uchar chip);
/*
* Read/Write interface:
* chip: I2C chip address, range 0..127
* addr: Memory (register) address within the chip
* alen: Number of bytes to use for addr (typically 1, 2 for larger
* memories, 0 for register type devices with only one
* register)
* buffer: Where to read/write the data
* len: How many bytes to read/write
*
* Returns: 0 on success, not 0 on failure
*/
int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len);
int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len);
/*
* Utility routines to read/write registers.
*/
uchar i2c_reg_read (uchar chip, uchar reg);
void i2c_reg_write(uchar chip, uchar reg, uchar val);
#endif /* _I2C_H_ */
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