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Commit fbeda677 authored by Michal Simek's avatar Michal Simek
Browse files

microblaze: Do not use PVR configuration for broken MB version 



Signed-off-by: default avatarMichal Simek <monstr@monstr.eu>
parent 79533fd4

arch/microblaze/kernel/cpu/cpuinfo-pvr-full.c

+7 −2
Original line number Diff line number Diff line
@@ -30,6 +30,13 @@ void set_cpuinfo_pvr_full(struct cpuinfo *ci, struct device_node *cpu) 
	int temp; /* for saving temp value */

	get_pvr(&pvr);



	CI(ver_code, VERSION);

	if (!ci->ver_code) {

		printk(KERN_ERR "ERROR: MB has broken PVR regs "

						"-> use DTS setting\n");

		return;

	}



	temp = PVR_USE_BARREL(pvr) | PVR_USE_MSR_INSTR(pvr) |\

		PVR_USE_PCMP_INSTR(pvr) | PVR_USE_DIV(pvr);

	if (ci->use_instr != temp)
@@ -60,8 +67,6 @@ void set_cpuinfo_pvr_full(struct cpuinfo *ci, struct device_node *cpu) 


	CI(mmu, USE_MMU);



	CI(ver_code, VERSION);



	CI(use_icache, USE_ICACHE);

	CI(icache_tagbits, ICACHE_ADDR_TAG_BITS);

	CI(icache_write, ICACHE_ALLOW_WR);

arch/microblaze/kernel/cpu/cpuinfo.c

+1 −1
Original line number Diff line number Diff line
@@ -71,7 +71,7 @@ void __init setup_cpuinfo(void) 
			__func__);

		set_cpuinfo_static(&cpuinfo, cpu);

		break;

/* FIXME I found weird behavior with MB 7.00.a/b

/* FIXME I found weird behavior with MB 7.00.a/b 7.10.a

 * please do not use FULL PVR with MMU */

	case 1:

		printk(KERN_INFO "%s: Using full CPU PVR support\n",