summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
author周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>2020-07-22 13:21:19 +0800
committerThomas Bogendoerfer <tsbogend@alpha.franken.de>2020-07-24 11:13:57 +0200
commit0d10d17bac3d5d4e97d6f008aa3c329a83d3b283 (patch)
tree44ad6080d5d7b1e7aeea1af0218b23720bed60bb
parente8b9fc10f2615b9a525fce56981e40b489528355 (diff)
MIPS: X2000: Add X2000 system type.
1.Add "PRID_COMP_INGENIC_13" and "PRID_IMP_XBURST2" for X2000. 2.Add X2000 system type for cat /proc/cpuinfo to give out X2000. Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
-rw-r--r--arch/mips/include/asm/bootinfo.h1
-rw-r--r--arch/mips/include/asm/cpu.h6
-rw-r--r--arch/mips/jz4740/setup.c4
-rw-r--r--arch/mips/kernel/cpu-probe.c11
4 files changed, 20 insertions, 2 deletions
diff --git a/arch/mips/include/asm/bootinfo.h b/arch/mips/include/asm/bootinfo.h
index 26f267d5649f..147c9327ce04 100644
--- a/arch/mips/include/asm/bootinfo.h
+++ b/arch/mips/include/asm/bootinfo.h
@@ -80,6 +80,7 @@ enum ingenic_machine_type {
MACH_INGENIC_JZ4780,
MACH_INGENIC_X1000,
MACH_INGENIC_X1830,
+ MACH_INGENIC_X2000,
};
extern char *system_type;
diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h
index 104a509312b3..f5b04e8f6061 100644
--- a/arch/mips/include/asm/cpu.h
+++ b/arch/mips/include/asm/cpu.h
@@ -46,6 +46,7 @@
#define PRID_COMP_NETLOGIC 0x0c0000
#define PRID_COMP_CAVIUM 0x0d0000
#define PRID_COMP_LOONGSON 0x140000
+#define PRID_COMP_INGENIC_13 0x130000 /* X2000 */
#define PRID_COMP_INGENIC_D0 0xd00000 /* JZ4740, JZ4750, X1830 */
#define PRID_COMP_INGENIC_D1 0xd10000 /* JZ4770, JZ4775, X1000 */
#define PRID_COMP_INGENIC_E1 0xe10000 /* JZ4780 */
@@ -185,8 +186,9 @@
* These are the PRID's for when 23:16 == PRID_COMP_INGENIC_*
*/
-#define PRID_IMP_XBURST_REV1 0x0200 /* XBurst with MXU SIMD ISA */
-#define PRID_IMP_XBURST_REV2 0x0100 /* XBurst with MXU2 SIMD ISA */
+#define PRID_IMP_XBURST_REV1 0x0200 /* XBurst®1 with MXU1.0/MXU1.1 SIMD ISA */
+#define PRID_IMP_XBURST_REV2 0x0100 /* XBurst®1 with MXU2.0 SIMD ISA */
+#define PRID_IMP_XBURST2 0x2000 /* XBurst®2 with MXU2.1 SIMD ISA */
/*
* These are the PRID's for when 23:16 == PRID_COMP_NETLOGIC
diff --git a/arch/mips/jz4740/setup.c b/arch/mips/jz4740/setup.c
index 83f343abf13e..fc49601c2b96 100644
--- a/arch/mips/jz4740/setup.c
+++ b/arch/mips/jz4740/setup.c
@@ -49,6 +49,8 @@ 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,x2000"))
+ return MACH_INGENIC_X2000;
if (!fdt_node_check_compatible(fdt, 0, "ingenic,x1830"))
return MACH_INGENIC_X1830;
if (!fdt_node_check_compatible(fdt, 0, "ingenic,x1000"))
@@ -93,6 +95,8 @@ void __init device_tree_init(void)
const char *get_system_type(void)
{
switch (mips_machtype) {
+ case MACH_INGENIC_X2000:
+ return "X2000";
case MACH_INGENIC_X1830:
return "X1830";
case MACH_INGENIC_X1000:
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index c231c1b67889..d9e8d39a7289 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -2110,6 +2110,8 @@ static inline void cpu_probe_ingenic(struct cpuinfo_mips *c, unsigned int cpu)
BUG_ON(!__builtin_constant_p(cpu_has_counter) || cpu_has_counter);
switch (c->processor_id & PRID_IMP_MASK) {
+
+ /* XBurst®1 with MXU1.0/MXU1.1 SIMD ISA */
case PRID_IMP_XBURST_REV1:
/*
@@ -2148,12 +2150,20 @@ static inline void cpu_probe_ingenic(struct cpuinfo_mips *c, unsigned int cpu)
break;
}
fallthrough;
+
+ /* XBurst®1 with MXU2.0 SIMD ISA */
case PRID_IMP_XBURST_REV2:
c->cputype = CPU_XBURST;
c->writecombine = _CACHE_UNCACHED_ACCELERATED;
__cpu_name[cpu] = "Ingenic XBurst";
break;
+ /* XBurst®2 with MXU2.1 SIMD ISA */
+ case PRID_IMP_XBURST2:
+ c->cputype = CPU_XBURST;
+ __cpu_name[cpu] = "Ingenic XBurst II";
+ break;
+
default:
panic("Unknown Ingenic Processor ID!");
break;
@@ -2299,6 +2309,7 @@ void cpu_probe(void)
case PRID_COMP_LOONGSON:
cpu_probe_loongson(c, cpu);
break;
+ case PRID_COMP_INGENIC_13:
case PRID_COMP_INGENIC_D0:
case PRID_COMP_INGENIC_D1:
case PRID_COMP_INGENIC_E1: