diff options
| author | 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com> | 2019-12-09 13:10:25 +0800 |
|---|---|---|
| committer | Paul Burton <paulburton@kernel.org> | 2020-01-09 09:48:42 -0800 |
| commit | b9bb868e2fc169b7917392eb41c84bc7436a8022 (patch) | |
| tree | de506cf5bc434f0610bb514645a8ca66100f6ff9 /arch/mips/jz4740 | |
| parent | 0cd2c6e5701eddd29abe34b45fc69141594a9950 (diff) | |
MIPS: X1830: Add X1830 system type.
1.Add X1830 system type for cat /proc/cpuinfo to give out X1830.
2.Change "PRID_IMP_XBURST" to "PRID_IMP_XBURST_REV1" and add a
new "PRID_IMP_XBURST_REV2" for new Ingenic CPUs which has
XBurst with MXU2 SIMD ISA.
Notice:
1."PRID_IMP_XBURST_REV2" is corresponds to the latest XBurst
processor with 128bit MXU2 SIMD instruction set, not the upcoming
XBurst2 processor. This version of the processors fixes issues
such as BTB and HPTLB.
2.In order to simplify and reuse the code, the "c->cputype" and
the "c->writecombine" and the "__cpu_name[cpu]" in the original
"PRID_IMP_XBURST" (now is "PRID_IMP_XBURST_REV1") are removed,
and the corresponding settings are abtained through fall-through
to "PRID_IMP_XBURST_REV2", which will cause the name that was
previously mistakenly called "JZRISC" to become to the real name
"XBurst".
Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>
Signed-off-by: Paul Burton <paulburton@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: yamada.masahiro@socionext.com
Cc: tglx@linutronix.de
Cc: chenhc@lemote.com
Cc: tbogendoerfer@suse.de
Cc: paul.burton@mips.com
Cc: paul@crapouillou.net
Cc: jhogan@kernel.org
Cc: fancer.lancer@gmail.com
Cc: ralf@linux-mips.org
Cc: jiaxun.yang@flygoat.com
Diffstat (limited to 'arch/mips/jz4740')
| -rw-r--r-- | arch/mips/jz4740/setup.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/mips/jz4740/setup.c b/arch/mips/jz4740/setup.c index dc8ee21e0948..880c26857aff 100644 --- a/arch/mips/jz4740/setup.c +++ b/arch/mips/jz4740/setup.c @@ -44,6 +44,8 @@ static void __init jz4740_detect_mem(void) static unsigned long __init get_board_mach_type(const void *fdt) { + if (!fdt_node_check_compatible(fdt, 0, "ingenic,x1830")) + return MACH_INGENIC_X1830; if (!fdt_node_check_compatible(fdt, 0, "ingenic,x1000")) return MACH_INGENIC_X1000; if (!fdt_node_check_compatible(fdt, 0, "ingenic,jz4780")) @@ -86,6 +88,8 @@ void __init device_tree_init(void) const char *get_system_type(void) { switch (mips_machtype) { + case MACH_INGENIC_X1830: + return "X1830"; case MACH_INGENIC_X1000: return "X1000"; case MACH_INGENIC_JZ4780: |