diff options
Diffstat (limited to 'cpu/mpc85xx/cpu.c')
| -rw-r--r-- | cpu/mpc85xx/cpu.c | 91 | 
1 files changed, 83 insertions, 8 deletions
| diff --git a/cpu/mpc85xx/cpu.c b/cpu/mpc85xx/cpu.c index 64f27820a..55593d995 100644 --- a/cpu/mpc85xx/cpu.c +++ b/cpu/mpc85xx/cpu.c @@ -1,4 +1,5 @@  /* + * Copyright 2004 Freescale Semiconductor.   * (C) Copyright 2002, 2003 Motorola Inc.   * Xianghua Xiao (X.Xiao@motorola.com)   * @@ -33,17 +34,87 @@  int checkcpu (void)  { -	uint pir = get_pir(); -	uint pvr = get_pvr(); +	sys_info_t sysinfo; +	uint lcrr;		/* local bus clock ratio register */ +	uint clkdiv;		/* clock divider portion of lcrr */ +	uint pvr, svr; +	uint ver; +	uint major, minor; -	printf("Motorola PowerPC ProcessorID=%08x Rev. ",pir); -	switch(pvr) { +	puts("Freescale PowerPC\n"); + +	pvr = get_pvr(); +	ver = PVR_VER(pvr); +	major = PVR_MAJ(pvr); +	minor = PVR_MIN(pvr); + +	printf("    Core: "); +	switch (ver) { +	case PVR_VER(PVR_85xx): +	    puts("E500"); +	    break;  	default: -		printf("PVR=%08x", pvr); +	    puts("Unknown"); +	    break; +	} +	printf(", Version: %d.%d, (0x%08x)\n", major, minor, pvr); + +	svr = get_svr(); +	ver = SVR_VER(svr); +	major = SVR_MAJ(svr); +	minor = SVR_MIN(svr); + +	puts("    System: "); +	switch (ver) { +	case SVR_8540: +		puts("8540"); +		break; +	case SVR_8541: +		puts("8541");  		break; +	case SVR_8555: +		puts("8555"); +		break; +	case SVR_8560: +		puts("8560"); +		break; +	default: +		puts("Unknown"); +		break; +	} +	printf(", Version: %d.%d, (0x%08x)\n", major, minor, svr); + +	get_sys_info(&sysinfo); + +	puts("    Clocks: "); +	printf("CPU:%4lu MHz, ", sysinfo.freqProcessor / 1000000); +	printf("CCB:%4lu MHz, ", sysinfo.freqSystemBus / 1000000); +	printf("DDR:%4lu MHz, ", sysinfo.freqSystemBus / 2000000); + +#if defined(CFG_LBC_LCRR) +	lcrr = CFG_LBC_LCRR; +#else +	{ +	    volatile immap_t *immap = (immap_t *)CFG_IMMR; +	    volatile ccsr_lbc_t *lbc= &immap->im_lbc; + +	    lcrr = lbc->lcrr; +	} +#endif +	clkdiv = lcrr & 0x0f; +	if (clkdiv == 2 || clkdiv == 4 || clkdiv == 8) { +		printf("LBC:%4lu MHz\n", +		       sysinfo.freqSystemBus / 1000000 / clkdiv); +	} else { +		printf("    LBC: unknown (lcrr: 0x%08x)\n", lcrr);  	} -	printf("\n"); +	if (ver == SVR_8560) { +		printf("    CPM: %lu Mhz\n", +		       sysinfo.freqSystemBus / 1000000); +	} + +	puts("    L1 D-cache 32KB, L1 I-cache 32KB enabled.\n");  	return 0;  } @@ -57,8 +128,12 @@ int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])  	 * Initiate hard reset in debug control register DBCR0  	 * Make sure MSR[DE] = 1  	 */ -	__asm__ __volatile__("lis   3, 0x7000" ::: "r3"); -	mtspr(DBCR0,3); +	unsigned long val; + +	val = mfspr(DBCR0); +	val |= 0x70000000; +	mtspr(DBCR0,val); +  	return 1;  } |