static int init_mask_data_array(struct mc5 *mc5, u32 mask_array_base,
u32 data_array_base, u32 write_cmd,
int addr_shift)
{
unsigned int i;
struct adapter *adap = mc5->adapter;
/*
*/
unsigned int size72 = mc5->tcam_size;
unsigned int server_base = t3_read_reg(adap, A_MC5_DB_SERVER_INDEX);
if (mc5->mode == MC5_MODE_144_BIT) {
size72 *= 2; /* */
server_base *= 2;
}
/* */
dbgi_wr_data3(adap, 0, 0, 0);
for (i = 0; i < size72; i++)
if (mc5_write(adap, data_array_base + (i << addr_shift),
write_cmd))
return -1;
/* */
dbgi_wr_data3(adap, 0xffffffff, 0xffffffff, 0xff);
for (i = 0; i < size72; i++) {
if (i == server_base) /* */
t3_write_reg(adap, A_MC5_DB_DBGI_REQ_DATA0,
mc5->mode == MC5_MODE_144_BIT ?
0xfffffff9 : 0xfffffffd);
if (mc5_write(adap, mask_array_base + (i << addr_shift),
write_cmd))
return -1;
}
return 0;
}
static int init_mask_data_array(struct mc5 *mc5, u32 mask_array_base,
u32 data_array_base, u32 write_cmd,
int addr_shift)
{
unsigned int i;
struct adapter *adap = mc5->adapter;
/*
* We need the size of the TCAM data and mask arrays in terms of
* 72-bit entries.
*/
unsigned int size72 = mc5->tcam_size;
unsigned int server_base = t3_read_reg(adap, A_MC5_DB_SERVER_INDEX);
if (mc5->mode == MC5_MODE_144_BIT) {
size72 *= 2; /* 1 144-bit entry is 2 72-bit entries */
server_base *= 2;
}
/* Clear the data array */
dbgi_wr_data3(adap, 0, 0, 0);
for (i = 0; i < size72; i++)
if (mc5_write(adap, data_array_base + (i << addr_shift),
write_cmd))
return -1;
/* Initialize the mask array. */
dbgi_wr_data3(adap, 0xffffffff, 0xffffffff, 0xff);
for (i = 0; i < size72; i++) {
if (i == server_base) /* entering server or routing region */
t3_write_reg(adap, A_MC5_DB_DBGI_REQ_DATA0,
mc5->mode == MC5_MODE_144_BIT ?
0xfffffff9 : 0xfffffffd);
if (mc5_write(adap, mask_array_base + (i << addr_shift),
write_cmd))
return -1;
}
return 0;
}
static int init_idt52100(struct mc5 *mc5)
{
int i;
adapter_t *adap = mc5->adapter;
t3_write_reg(adap, A_MC5_DB_RSP_LATENCY,
V_RDLAT(0x15) | V_LRNLAT(0x15) | V_SRCHLAT(0x15));
t3_write_reg(adap, A_MC5_DB_PART_ID_INDEX, 2);
/*
* Use GMRs 14-15 for ELOOKUP, GMRs 12-13 for SYN lookups, and
* GMRs 8-9 for ACK- and AOPEN searches.
*/
t3_write_reg(adap, A_MC5_DB_POPEN_DATA_WR_CMD, IDT_CMD_WRITE);
t3_write_reg(adap, A_MC5_DB_POPEN_MASK_WR_CMD, IDT_CMD_WRITE);
t3_write_reg(adap, A_MC5_DB_AOPEN_SRCH_CMD, IDT_CMD_SEARCH);
t3_write_reg(adap, A_MC5_DB_AOPEN_LRN_CMD, IDT_CMD_LEARN);
t3_write_reg(adap, A_MC5_DB_SYN_SRCH_CMD, IDT_CMD_SEARCH | 0x6000);
t3_write_reg(adap, A_MC5_DB_SYN_LRN_CMD, IDT_CMD_LEARN);
t3_write_reg(adap, A_MC5_DB_ACK_SRCH_CMD, IDT_CMD_SEARCH);
t3_write_reg(adap, A_MC5_DB_ACK_LRN_CMD, IDT_CMD_LEARN);
t3_write_reg(adap, A_MC5_DB_ILOOKUP_CMD, IDT_CMD_SEARCH);
t3_write_reg(adap, A_MC5_DB_ELOOKUP_CMD, IDT_CMD_SEARCH | 0x7000);
t3_write_reg(adap, A_MC5_DB_DATA_WRITE_CMD, IDT_CMD_WRITE);
t3_write_reg(adap, A_MC5_DB_DATA_READ_CMD, IDT_CMD_READ);
/* Set DBGI command mode for IDT TCAM. */
t3_write_reg(adap, A_MC5_DB_DBGI_CONFIG, DBGI_MODE_IDT52100);
/* Set up LAR */
dbgi_wr_data3(adap, IDT_LAR_MODE144, 0, 0);
if (mc5_write(adap, IDT_LAR_ADR0, IDT_CMD_WRITE))
goto err;
/* Set up SSRs */
dbgi_wr_data3(adap, 0xffffffff, 0xffffffff, 0);
if (mc5_write(adap, IDT_SSR0_ADR0, IDT_CMD_WRITE) ||
mc5_write(adap, IDT_SSR1_ADR0, IDT_CMD_WRITE))
goto err;
/* Set up GMRs */
for (i = 0; i < 32; ++i) {
if (i >= 12 && i < 15)
dbgi_wr_data3(adap, 0xfffffff9, 0xffffffff, 0xff);
else if (i == 15)
dbgi_wr_data3(adap, 0xfffffff9, 0xffff8007, 0xff);
else
dbgi_wr_data3(adap, 0xffffffff, 0xffffffff, 0xff);
if (mc5_write(adap, IDT_GMR_BASE_ADR0 + i, IDT_CMD_WRITE))
goto err;
}
/* Set up SCR */
dbgi_wr_data3(adap, 1, 0, 0);
if (mc5_write(adap, IDT_SCR_ADR0, IDT_CMD_WRITE))
goto err;
return init_mask_data_array(mc5, IDT_MSKARY_BASE_ADR0,
IDT_DATARY_BASE_ADR0, IDT_CMD_WRITE, 0);
err:
return -EIO;
}
static int init_idt52100(struct mc5 *mc5)
{
int i;
struct adapter *adap = mc5->adapter;
t3_write_reg(adap, A_MC5_DB_RSP_LATENCY,
V_RDLAT(0x15) | V_LRNLAT(0x15) | V_SRCHLAT(0x15));
t3_write_reg(adap, A_MC5_DB_PART_ID_INDEX, 2);
/*
*/
t3_write_reg(adap, A_MC5_DB_POPEN_DATA_WR_CMD, IDT_CMD_WRITE);
t3_write_reg(adap, A_MC5_DB_POPEN_MASK_WR_CMD, IDT_CMD_WRITE);
t3_write_reg(adap, A_MC5_DB_AOPEN_SRCH_CMD, IDT_CMD_SEARCH);
t3_write_reg(adap, A_MC5_DB_AOPEN_LRN_CMD, IDT_CMD_LEARN);
t3_write_reg(adap, A_MC5_DB_SYN_SRCH_CMD, IDT_CMD_SEARCH | 0x6000);
t3_write_reg(adap, A_MC5_DB_SYN_LRN_CMD, IDT_CMD_LEARN);
t3_write_reg(adap, A_MC5_DB_ACK_SRCH_CMD, IDT_CMD_SEARCH);
t3_write_reg(adap, A_MC5_DB_ACK_LRN_CMD, IDT_CMD_LEARN);
t3_write_reg(adap, A_MC5_DB_ILOOKUP_CMD, IDT_CMD_SEARCH);
t3_write_reg(adap, A_MC5_DB_ELOOKUP_CMD, IDT_CMD_SEARCH | 0x7000);
t3_write_reg(adap, A_MC5_DB_DATA_WRITE_CMD, IDT_CMD_WRITE);
t3_write_reg(adap, A_MC5_DB_DATA_READ_CMD, IDT_CMD_READ);
/* */
t3_write_reg(adap, A_MC5_DB_DBGI_CONFIG, DBGI_MODE_IDT52100);
/* */
dbgi_wr_data3(adap, IDT_LAR_MODE144, 0, 0);
if (mc5_write(adap, IDT_LAR_ADR0, IDT_CMD_WRITE))
goto err;
/* */
dbgi_wr_data3(adap, 0xffffffff, 0xffffffff, 0);
if (mc5_write(adap, IDT_SSR0_ADR0, IDT_CMD_WRITE) ||
mc5_write(adap, IDT_SSR1_ADR0, IDT_CMD_WRITE))
goto err;
/* */
for (i = 0; i < 32; ++i) {
if (i >= 12 && i < 15)
dbgi_wr_data3(adap, 0xfffffff9, 0xffffffff, 0xff);
else if (i == 15)
dbgi_wr_data3(adap, 0xfffffff9, 0xffff8007, 0xff);
else
dbgi_wr_data3(adap, 0xffffffff, 0xffffffff, 0xff);
if (mc5_write(adap, IDT_GMR_BASE_ADR0 + i, IDT_CMD_WRITE))
goto err;
}
/* */
dbgi_wr_data3(adap, 1, 0, 0);
if (mc5_write(adap, IDT_SCR_ADR0, IDT_CMD_WRITE))
goto err;
return init_mask_data_array(mc5, IDT_MSKARY_BASE_ADR0,
IDT_DATARY_BASE_ADR0, IDT_CMD_WRITE, 0);
err:
return -EIO;
}
