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s390: add support for IBM zBC12 machine 

Just add the new model number where appropiate.

Cc: stable@vger.kernel.org # v3.10
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
hifive-unleashed-5.1
Heiko Carstens 2013-07-24 10:35:33 +02:00 committed by Martin Schwidefsky
parent 79b6f7fbd1
commit 594712276e
4 changed files with 7 additions and 4 deletions
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7
arch/s390/Kconfig
View File

@ -228,11 +228,12 @@ config MARCH_Z196
not work on older machines.
config MARCH_ZEC12
bool "IBM zEC12"
bool "IBM zBC12 and zEC12"
select HAVE_MARCH_ZEC12_FEATURES if 64BIT
help
Select this to enable optimizations for IBM zEC12 (2827 series). The
kernel will be slightly faster but will not work on older machines.
Select this to enable optimizations for IBM zBC12 and zEC12 (2828 and
2827 series). The kernel will be slightly faster but will not work on
older machines.
endchoice

1
arch/s390/kernel/setup.c
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@ -994,6 +994,7 @@ static void __init setup_hwcaps(void)
strcpy(elf_platform, "z196");
break;
case 0x2827:
case 0x2828:
strcpy(elf_platform, "zEC12");
break;
}

1
arch/s390/mm/init.c
View File

@ -69,6 +69,7 @@ static void __init setup_zero_pages(void)
order = 2;
break;
case 0x2827: /* zEC12 */
case 0x2828: /* zEC12 */
default:
order = 5;
break;

2
arch/s390/oprofile/init.c
View File

@ -440,7 +440,7 @@ static int oprofile_hwsampler_init(struct oprofile_operations *ops)
switch (id.machine) {
case 0x2097: case 0x2098: ops->cpu_type = "s390/z10"; break;
case 0x2817: case 0x2818: ops->cpu_type = "s390/z196"; break;
case 0x2827: ops->cpu_type = "s390/zEC12"; break;
case 0x2827: case 0x2828: ops->cpu_type = "s390/zEC12"; break;
default: return -ENODEV;
}
}