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[v851/v853]add efuse support

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This commit is contained in:
JianjunJiang 2023-07-12 12:47:50 +08:00
parent 8bc4119bc2
commit 7525fbca1f
1 changed files with 103 additions and 4 deletions
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107
chips/v851_v853.c
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@ -1614,13 +1614,67 @@ static int chip_spi_run(struct xfel_ctx_t * ctx, uint8_t * cbuf, uint32_t clen)
return 1;
}
enum {
SID_PRCTL = 0x03006000 + 0x040,
SID_PRKEY = 0x03006000 + 0x050,
SID_RDKEY = 0x03006000 + 0x060,
EFUSE_HV_SWITCH = 0x07090000 + 0x204,
};
static uint32_t efuse_read(struct xfel_ctx_t * ctx, uint32_t offset)
{
uint32_t val;
val = payload_read32(ctx, SID_PRCTL);
val &= ~((0x1ff << 16) | 0x3);
val |= offset << 16;
payload_write32(ctx, SID_PRCTL, val);
val &= ~((0xff << 8) | 0x3);
val |= (0xac << 8) | 0x2;
payload_write32(ctx, SID_PRCTL, val);
while(payload_read32(ctx, SID_PRCTL) & 0x2);
val &= ~((0x1ff << 16) | (0xff << 8) | 0x3);
payload_write32(ctx, SID_PRCTL, val);
val = payload_read32(ctx, SID_RDKEY);
return val;
}
static void efuse_write(struct xfel_ctx_t * ctx, uint32_t offset, uint32_t value)
{
uint32_t val;
payload_write32(ctx, EFUSE_HV_SWITCH, 0x1);
payload_write32(ctx, SID_PRKEY, value);
val = payload_read32(ctx, SID_PRCTL);
val &= ~((0x1ff << 16) | 0x3);
val |= offset << 16;
payload_write32(ctx, SID_PRCTL, val);
val &= ~((0xff << 8) | 0x3);
val |= (0xac << 8) | 0x1;
payload_write32(ctx, SID_PRCTL, val);
while(payload_read32(ctx, SID_PRCTL) & 0x1);
val &= ~((0x1ff << 16) | (0xff << 8) | 0x3);
payload_write32(ctx, SID_PRCTL, val);
payload_write32(ctx, EFUSE_HV_SWITCH, 0x0);
}
static const struct sid_section_t {
char * name;
uint32_t offset;
uint32_t size_bits;
} sids[] = {
{ "chipid", 0x0000, 128 },
{ "unknown", 0x0010, 1920 },
{ "chipid", 0x0000, 128 },
{ "brom-conf-try", 0x0010, 32 },
{ "thermal-sensor", 0x0014, 64 },
{ "ft-zone", 0x001c, 128 },
{ "reserved1", 0x002c, 96 },
{ "write-protect", 0x0038, 32 },
{ "read-protect", 0x003c, 32 },
{ "lcjs", 0x0040, 32 },
{ "reserved2", 0x0044, 800 },
{ "rotpk", 0x00a8, 256 },
{ "reserved3", 0x00c8, 448 },
};
static int chip_extra(struct xfel_ctx_t * ctx, int argc, char * argv[])
@ -1640,7 +1694,7 @@ static int chip_extra(struct xfel_ctx_t * ctx, int argc, char * argv[])
{
uint32_t count = sids[n].size_bits / 32;
for(int i = 0; i < count; i++)
buffer[i] = payload_read32(ctx, 0x03006200 + sids[n].offset + i * 4);
buffer[i] = efuse_read(ctx, sids[n].offset + i * 4);
printf("%s:(0x%04x %d-bits)", sids[n].name, sids[n].offset, sids[n].size_bits);
for(int i = 0; i < count; i++)
{
@ -1652,11 +1706,56 @@ static int chip_extra(struct xfel_ctx_t * ctx, int argc, char * argv[])
}
return 1;
}
else if(!strcmp(argv[0], "read32") && (argc == 2))
{
uint32_t offset = strtoul(argv[1], NULL, 0);
printf("0x%08x\r\n", efuse_read(ctx, offset));
return 1;
}
else if(!strcmp(argv[0], "write32") && (argc == 3))
{
uint32_t offset = strtoul(argv[1], NULL, 0);
size_t value = strtoul(argv[2], NULL, 0);
efuse_write(ctx, offset, value);
return 1;
}
else if(!strcmp(argv[0], "write") && (argc == 2))
{
uint32_t offset = strtoul(argv[1], NULL, 0);
uint64_t len;
void * buf = file_load(argv[2], &len);
if(buf && (len > 0))
{
uint8_t * p = buf;
uint32_t l = len;
uint32_t o = 0;
uint32_t v;
while(l >= 4)
{
v = *((uint32_t *)p);
efuse_write(ctx, offset + o, v);
l -= 4;
o += 4;
p += 4;
}
if(l > 0)
{
uint32_t v = 0;
for(int i = 0; i < l; i++)
v = ((v << 8) & 0xffffff00) | p[i];
efuse_write(ctx, offset + o, v);
}
free(buf);
}
}
}
}
}
printf("usage:\r\n");
printf(" xfel extra efuse dump - Dump all of the efuse information\r\n");
printf(" xfel extra efuse dump - Dump all of the efuse information\r\n");
printf(" xfel extra efuse read32 <offset> - Read 32-bits value from efuse\r\n");
printf(" xfel extra efuse write32 <offset> <value> - Write 32-bits value to efuse\r\n");
printf(" xfel extra efuse write <offset> <file> - Write file to efuse\r\n");
return 0;
}