path: root/include/asm-ppc/immap_8260.h

/*
 * 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.
 */
#ifdef __KERNEL__
#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_pmsr;
	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 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];
} 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 */
	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;

/* The 8260 relies heavily on the IMMR, so we keep it around as a
 * kernel global symbol now.  Should have done this for the 8xx......
 */
immap_t	*immr;

#endif /* __IMMAP_82XX__ */
#endif /* __KERNEL__ */