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Recognize Ampere EMAG8180

This commit is contained in:
Martin Kroeker 2020-02-19 18:49:13 +01:00 committed by GitHub
parent 276c1791ea
commit e8d82c01d4
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 21 additions and 2 deletions
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23
cpuid_arm64.c
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@ -41,6 +41,8 @@
#define CPU_THUNDERX2T99 8 #define CPU_THUNDERX2T99 8
//Hisilicon //Hisilicon
#define CPU_TSV110 9 #define CPU_TSV110 9
// Ampere
#define CPU_EMAG8180 10
static char *cpuname[] = { static char *cpuname[] = {
"UNKNOWN", "UNKNOWN",
@ -52,7 +54,8 @@ static char *cpuname[] = {
"FALKOR", "FALKOR",
"THUNDERX", "THUNDERX",
"THUNDERX2T99", "THUNDERX2T99",
"TSV110" "TSV110",
"EMAG8180"
}; };
static char *cpuname_lower[] = { static char *cpuname_lower[] = {
@ -65,7 +68,8 @@ static char *cpuname_lower[] = {
"falkor", "falkor",
"thunderx", "thunderx",
"thunderx2t99", "thunderx2t99",
"tsv110" "tsv110",
"emag8180"
}; };
int get_feature(char *search) int get_feature(char *search)
@ -152,6 +156,9 @@ int detect(void)
// HiSilicon // HiSilicon
else if (strstr(cpu_implementer, "0x48") && strstr(cpu_part, "0xd01")) else if (strstr(cpu_implementer, "0x48") && strstr(cpu_part, "0xd01"))
return CPU_TSV110; return CPU_TSV110;
// Ampere
else if (strstr(cpu_implementer, "0x50") && strstr(cpu_part, "0x000"))
return CPU_EMAG8180;
} }
p = (char *) NULL ; p = (char *) NULL ;
@ -335,6 +342,18 @@ void get_cpuconfig(void)
printf("#define DTB_DEFAULT_ENTRIES 64 \n"); printf("#define DTB_DEFAULT_ENTRIES 64 \n");
printf("#define DTB_SIZE 4096 \n"); printf("#define DTB_SIZE 4096 \n");
break; break;
case CPU_EMAG8180:
// Minimum parameters for ARMv8 (based on A53)
printf("#define EMAG8180\n");
printf("#define L1_CODE_SIZE 32768\n");
printf("#define L1_DATA_SIZE 32768\n");
printf("#define L1_DATA_LINESIZE 64\n");
printf("#define L2_SIZE 262144\n");
printf("#define L2_LINESIZE 64\n");
printf("#define DTB_DEFAULT_ENTRIES 64\n");
printf("#define DTB_SIZE 4096\n");
} }
get_cpucount(); get_cpucount();
} }