diff options
Diffstat (limited to 'arch/mips/sgi-ip22/ip22-mc.c')
| -rw-r--r-- | arch/mips/sgi-ip22/ip22-mc.c | 44 | 
1 files changed, 22 insertions, 22 deletions
diff --git a/arch/mips/sgi-ip22/ip22-mc.c b/arch/mips/sgi-ip22/ip22-mc.c index 75ada8a9713..7cec0a4e527 100644 --- a/arch/mips/sgi-ip22/ip22-mc.c +++ b/arch/mips/sgi-ip22/ip22-mc.c @@ -121,22 +121,22 @@ void __init sgimc_init(void)  	 */  	/* Step 0: Make sure we turn off the watchdog in case it's -	 *         still running (which might be the case after a -	 *         soft reboot). +	 *	   still running (which might be the case after a +	 *	   soft reboot).  	 */  	tmp = sgimc->cpuctrl0;  	tmp &= ~SGIMC_CCTRL0_WDOG;  	sgimc->cpuctrl0 = tmp;  	/* Step 1: The CPU/GIO error status registers will not latch -	 *         up a new error status until the register has been -	 *         cleared by the cpu.  These status registers are -	 *         cleared by writing any value to them. +	 *	   up a new error status until the register has been +	 *	   cleared by the cpu.	These status registers are +	 *	   cleared by writing any value to them.  	 */  	sgimc->cstat = sgimc->gstat = 0;  	/* Step 2: Enable all parity checking in cpu control register -	 *         zero. +	 *	   zero.  	 */  	/* don't touch parity settings for IP28 */  	tmp = sgimc->cpuctrl0; @@ -147,7 +147,7 @@ void __init sgimc_init(void)  	sgimc->cpuctrl0 = tmp;  	/* Step 3: Setup the MC write buffer depth, this is controlled -	 *         in cpu control register 1 in the lower 4 bits. +	 *	   in cpu control register 1 in the lower 4 bits.  	 */  	tmp = sgimc->cpuctrl1;  	tmp &= ~0xf; @@ -155,26 +155,26 @@ void __init sgimc_init(void)  	sgimc->cpuctrl1 = tmp;  	/* Step 4: Initialize the RPSS divider register to run as fast -	 *         as it can correctly operate.  The register is laid -	 *         out as follows: +	 *	   as it can correctly operate.	 The register is laid +	 *	   out as follows:  	 * -	 *         ---------------------------------------- -	 *         |  RESERVED  |   INCREMENT   | DIVIDER | -	 *         ---------------------------------------- -	 *          31        16 15            8 7       0 +	 *	   ---------------------------------------- +	 *	   |  RESERVED	|   INCREMENT	| DIVIDER | +	 *	   ---------------------------------------- +	 *	    31	      16 15	       8 7	 0  	 * -	 *         DIVIDER determines how often a 'tick' happens, -	 *         INCREMENT determines by how the RPSS increment -	 *         registers value increases at each 'tick'. Thus, -	 *         for IP22 we get INCREMENT=1, DIVIDER=1 == 0x101 +	 *	   DIVIDER determines how often a 'tick' happens, +	 *	   INCREMENT determines by how the RPSS increment +	 *	   registers value increases at each 'tick'. Thus, +	 *	   for IP22 we get INCREMENT=1, DIVIDER=1 == 0x101  	 */  	sgimc->divider = 0x101;  	/* Step 5: Initialize GIO64 arbitrator configuration register.  	 *  	 * NOTE: HPC init code in sgihpc_init() must run before us because -	 *       we need to know Guiness vs. FullHouse and the board -	 *       revision on this machine. You have been warned. +	 *	 we need to know Guiness vs. FullHouse and the board +	 *	 revision on this machine. You have been warned.  	 */  	/* First the basic invariants across all GIO64 implementations. */ @@ -187,18 +187,18 @@ void __init sgimc_init(void)  		if (SGIOC_SYSID_BOARDREV(sgioc->sysid) < 2) {  			tmp |= SGIMC_GIOPAR_HPC264;	/* 2nd HPC at 64bits */  			tmp |= SGIMC_GIOPAR_PLINEEXP0;	/* exp0 pipelines */ -			tmp |= SGIMC_GIOPAR_MASTEREXP1;	/* exp1 masters */ +			tmp |= SGIMC_GIOPAR_MASTEREXP1; /* exp1 masters */  			tmp |= SGIMC_GIOPAR_RTIMEEXP0;	/* exp0 is realtime */  		} else {  			tmp |= SGIMC_GIOPAR_HPC264;	/* 2nd HPC 64bits */  			tmp |= SGIMC_GIOPAR_PLINEEXP0;	/* exp[01] pipelined */  			tmp |= SGIMC_GIOPAR_PLINEEXP1; -			tmp |= SGIMC_GIOPAR_MASTEREISA;	/* EISA masters */ +			tmp |= SGIMC_GIOPAR_MASTEREISA; /* EISA masters */  		}  	} else {  		/* Guiness specific settings. */  		tmp |= SGIMC_GIOPAR_EISA64;	/* MC talks to EISA at 64bits */ -		tmp |= SGIMC_GIOPAR_MASTEREISA;	/* EISA bus can act as master */ +		tmp |= SGIMC_GIOPAR_MASTEREISA; /* EISA bus can act as master */  	}  	sgimc->giopar = tmp;	/* poof */  |