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sparc64: recognize and support Sonoma CPU type

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Add code to recognize SPARC-Sonoma cpu correctly and update cpu hardware
caps and cpu distribution map. SPARC-Sonoma is based upon SPARC-M7 core
along with additional PCI functions added on and is reported by firmware
as "SPARC-SN".

Signed-off-by: Khalid Aziz <khalid.aziz@oracle.com>
Acked-by: Allen Pais <allen.pais@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Khalid Aziz 2016-04-19 11:12:54 -06:00 • committed by David S. Miller
parent 5bde2c9be7
commit c5b8b5beee
6 changed files with 25 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

7
arch/sparc/kernel/setup_64.c
View file

@ -285,7 +285,8 @@ static void __init sun4v_patch(void)
sun4v_patch_2insn_range(&__sun4v_2insn_patch,
&__sun4v_2insn_patch_end);
if (sun4v_chip_type == SUN4V_CHIP_SPARC_M7)
if (sun4v_chip_type == SUN4V_CHIP_SPARC_M7 ||
sun4v_chip_type == SUN4V_CHIP_SPARC_SN)
sun_m7_patch_2insn_range(&__sun_m7_2insn_patch,
&__sun_m7_2insn_patch_end);
@ -524,6 +525,7 @@ static void __init init_sparc64_elf_hwcap(void)
sun4v_chip_type == SUN4V_CHIP_NIAGARA5 ||
sun4v_chip_type == SUN4V_CHIP_SPARC_M6 ||
sun4v_chip_type == SUN4V_CHIP_SPARC_M7 ||
sun4v_chip_type == SUN4V_CHIP_SPARC_SN ||
sun4v_chip_type == SUN4V_CHIP_SPARC64X)
cap |= HWCAP_SPARC_BLKINIT;
if (sun4v_chip_type == SUN4V_CHIP_NIAGARA2 ||
@ -532,6 +534,7 @@ static void __init init_sparc64_elf_hwcap(void)
sun4v_chip_type == SUN4V_CHIP_NIAGARA5 ||
sun4v_chip_type == SUN4V_CHIP_SPARC_M6 ||
sun4v_chip_type == SUN4V_CHIP_SPARC_M7 ||
sun4v_chip_type == SUN4V_CHIP_SPARC_SN ||
sun4v_chip_type == SUN4V_CHIP_SPARC64X)
cap |= HWCAP_SPARC_N2;
}
@ -561,6 +564,7 @@ static void __init init_sparc64_elf_hwcap(void)
sun4v_chip_type == SUN4V_CHIP_NIAGARA5 ||
sun4v_chip_type == SUN4V_CHIP_SPARC_M6 ||
sun4v_chip_type == SUN4V_CHIP_SPARC_M7 ||
sun4v_chip_type == SUN4V_CHIP_SPARC_SN ||
sun4v_chip_type == SUN4V_CHIP_SPARC64X)
cap |= (AV_SPARC_VIS | AV_SPARC_VIS2 |
AV_SPARC_ASI_BLK_INIT |
@ -570,6 +574,7 @@ static void __init init_sparc64_elf_hwcap(void)
sun4v_chip_type == SUN4V_CHIP_NIAGARA5 ||
sun4v_chip_type == SUN4V_CHIP_SPARC_M6 ||
sun4v_chip_type == SUN4V_CHIP_SPARC_M7 ||
sun4v_chip_type == SUN4V_CHIP_SPARC_SN ||
sun4v_chip_type == SUN4V_CHIP_SPARC64X)
cap |= (AV_SPARC_VIS3 | AV_SPARC_HPC |
AV_SPARC_FMAF);