From 0d10d17bac3d5d4e97d6f008aa3c329a83d3b283 Mon Sep 17 00:00:00 2001 From: =?utf8?q?=E5=91=A8=E7=90=B0=E6=9D=B0=20=28Zhou=20Yanjie=29?= Date: Wed, 22 Jul 2020 13:21:19 +0800 Subject: [PATCH] MIPS: X2000: Add X2000 system type. MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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) Signed-off-by: Thomas Bogendoerfer --- arch/mips/include/asm/bootinfo.h | 1 + arch/mips/include/asm/cpu.h | 6 ++++-- arch/mips/jz4740/setup.c | 4 ++++ arch/mips/kernel/cpu-probe.c | 11 +++++++++++ 4 files changed, 20 insertions(+), 2 deletions(-) diff --git a/arch/mips/include/asm/bootinfo.h b/arch/mips/include/asm/bootinfo.h index 26f267d..147c932 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 104a509..f5b04e8 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 83f343a..fc49601 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 c231c1b..d9e8d39 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: -- 2.7.4