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CPU specific properties

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git-svn-id: svn://coreboot.org/openbios/openbios-devel@130 f158a5a8-5612-0410-a976-696ce0be7e32
This commit is contained in:
Blue Swirl
2007-04-25 19:57:23 +00:00
parent 0e4a65dbb9
commit c84fe3b819
1 changed files with 156 additions and 42 deletions
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198
drivers/obio.c
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@@ -306,23 +306,141 @@ arch_nvram_size(void)
return NVRAM_SIZE;
}
static void mb86904_init(void)
{
PUSH(32);
fword("encode-int");
push_str("cache-line-size");
fword("property");
PUSH(512);
fword("encode-int");
push_str("cache-nlines");
fword("property");
PUSH(0x23);
fword("encode-int");
push_str("mask_rev");
fword("property");
}
static void tms390z55_init(void)
{
push_str("");
fword("encode-string");
push_str("ecache-parity?");
fword("property");
push_str("");
fword("encode-string");
push_str("bfill?");
fword("property");
push_str("");
fword("encode-string");
push_str("bcopy?");
fword("property");
push_str("");
fword("encode-string");
push_str("cache-physical?");
fword("property");
PUSH(0xf);
fword("encode-int");
PUSH(0xf8fffffc);
fword("encode-int");
fword("encode+");
PUSH(4);
fword("encode-int");
fword("encode+");
PUSH(0xf);
fword("encode-int");
fword("encode+");
PUSH(0xf8c00000);
fword("encode-int");
fword("encode+");
PUSH(0x1000);
fword("encode-int");
fword("encode+");
PUSH(0xf);
fword("encode-int");
fword("encode+");
PUSH(0xf8000000);
fword("encode-int");
fword("encode+");
PUSH(0x1000);
fword("encode-int");
fword("encode+");
PUSH(0xf);
fword("encode-int");
fword("encode+");
PUSH(0xf8800000);
fword("encode-int");
fword("encode+");
PUSH(0x1000);
fword("encode-int");
fword("encode+");
push_str("reg");
fword("property");
}
struct cpudef {
const unsigned char *name;
unsigned long iu_version;
const char *name;
int psr_impl, psr_vers, impl, vers;
int dcache_line_size, dcache_lines, dcache_assoc;
int icache_line_size, icache_lines, icache_assoc;
int ecache_line_size, ecache_lines, ecache_assoc;
int mmu_nctx;
void (*initfn)(void);
};
static const struct cpudef sparc_defs[] = {
{
.name = "FMI,MB86904",
.iu_version = 0x04 << 24, /* Impl 0, ver 4 */
.name = "FMI,MB86904",
.psr_impl = 0,
.psr_vers = 5,
.impl = 0,
.vers = 5,
.dcache_line_size = 0x20,
.dcache_lines = 0x200,
.dcache_assoc = 1,
.icache_line_size = 0x20,
.icache_lines = 0x200,
.icache_assoc = 1,
.ecache_line_size = 0x20,
.ecache_lines = 0x4000,
.ecache_assoc = 1,
.mmu_nctx = 0x100,
.initfn = mb86904_init,
},
{
.name = "TI,TMS390Z55",
.iu_version = 0x40000000,
.name = "TI,TMS390Z55",
.psr_impl = 4,
.psr_vers = 0,
.impl = 0,
.vers = 4,
.dcache_line_size = 0x20,
.dcache_lines = 0x80,
.dcache_assoc = 4,
.icache_line_size = 0x40,
.icache_lines = 0x40,
.icache_assoc = 5,
.ecache_line_size = 0x20,
.ecache_lines = 0x8000,
.ecache_assoc = 1,
.mmu_nctx = 0x10000,
.initfn = tms390z55_init,
},
};
static const char *
static const struct cpudef *
id_cpu(void)
{
unsigned long iu_version;
@@ -334,9 +452,10 @@ id_cpu(void)
for (i = 0; i < sizeof(sparc_defs)/sizeof(struct cpudef); i++) {
if (iu_version == sparc_defs[i].iu_version)
return sparc_defs[i].name;
return &sparc_defs[i];
}
return "CPU,Unknown";
printk("Unknown cpu (psr %lx), freezing!\n", iu_version);
for (;;);
}
static void
@@ -351,11 +470,12 @@ ob_nvram_init(unsigned long base, unsigned long offset)
extern const char *obp_stdin_path, *obp_stdout_path;
extern uint16_t graphic_depth;
const char *stdin, *stdout, *cpuname;
const char *stdin, *stdout;
unsigned int i;
char nographic;
uint32_t size;
unsigned int machine_id;
struct cpudef *cpu;
ob_new_obio_device("eeprom", NULL);
@@ -445,85 +565,79 @@ ob_nvram_init(unsigned long base, unsigned long offset)
fword("new-device");
cpuname = id_cpu();
push_str(cpuname);
cpu = id_cpu();
push_str(cpu->name);
fword("device-name");
push_str("cpu");
fword("device-type");
PUSH(0);
PUSH(cpu->psr_impl);
fword("encode-int");
push_str("psr-implementation");
fword("property");
PUSH(cpu->psr_vers);
fword("encode-int");
push_str("psr-version");
fword("property");
PUSH(cpu->impl);
fword("encode-int");
push_str("implementation");
fword("property");
PUSH(4);
PUSH(cpu->vers);
fword("encode-int");
push_str("version");
fword("property");
push_str("");
fword("encode-string");
push_str("cache-physical?");
fword("property");
PUSH(32);
fword("encode-int");
push_str("cache-line-size");
fword("property");
PUSH(512);
fword("encode-int");
push_str("cache-nlines");
fword("property");
PUSH(4096);
fword("encode-int");
push_str("page-size");
fword("property");
PUSH(16);
PUSH(cpu->dcache_line_size);
fword("encode-int");
push_str("dcache-line-size");
fword("property");
PUSH(512);
PUSH(cpu->dcache_lines);
fword("encode-int");
push_str("dcache-nlines");
fword("property");
PUSH(1);
PUSH(cpu->dcache_assoc);
fword("encode-int");
push_str("dcache-associativity");
fword("property");
PUSH(16);
PUSH(cpu->icache_line_size);
fword("encode-int");
push_str("icache-line-size");
fword("property");
PUSH(512);
PUSH(cpu->icache_lines);
fword("encode-int");
push_str("icache-nlines");
fword("property");
PUSH(1);
PUSH(cpu->icache_assoc);
fword("encode-int");
push_str("icache-associativity");
fword("property");
PUSH(0x20);
PUSH(cpu->ecache_line_size);
fword("encode-int");
push_str("ecache-line-size");
fword("property");
PUSH(0x4000);
PUSH(cpu->ecache_lines);
fword("encode-int");
push_str("ecache-nlines");
fword("property");
PUSH(1);
PUSH(cpu->ecache_assoc);
fword("encode-int");
push_str("ecache-associativity");
fword("property");
@@ -533,7 +647,7 @@ ob_nvram_init(unsigned long base, unsigned long offset)
push_str("ncaches");
fword("property");
PUSH(4096);
PUSH(cpu->mmu_nctx);
fword("encode-int");
push_str("mmu-nctx");
fword("property");
@@ -543,18 +657,18 @@ ob_nvram_init(unsigned long base, unsigned long offset)
push_str("sparc-version");
fword("property");
PUSH(37);
fword("encode-int");
push_str("mask_rev");
push_str("");
fword("encode-string");
push_str("cache-coherence?");
fword("property");
PUSH(i);
fword("encode-int");
push_str("mid");
fword("property");
cpu->initfn();
fword("finish-device");
}