return ret;
}
-int ipath_waitfor_complete(struct ipath_devdata *dd, ipath_kreg reg_id,
- u64 bits_to_wait_for, u64 * valp)
-{
- unsigned long timeout;
- u64 lastval, val;
- int ret;
-
- lastval = ipath_read_kreg64(dd, reg_id);
- /* wait a ridiculously long time */
- timeout = jiffies + msecs_to_jiffies(5);
- do {
- val = ipath_read_kreg64(dd, reg_id);
- /* set so they have something, even on failures. */
- *valp = val;
- if ((val & bits_to_wait_for) == bits_to_wait_for) {
- ret = 0;
- break;
- }
- if (val != lastval)
- ipath_cdbg(VERBOSE, "Changed from %llx to %llx, "
- "waiting for %llx bits\n",
- (unsigned long long) lastval,
- (unsigned long long) val,
- (unsigned long long) bits_to_wait_for);
- cond_resched();
- if (time_after(jiffies, timeout)) {
- ipath_dbg("Didn't get bits %llx in register 0x%x, "
- "got %llx\n",
- (unsigned long long) bits_to_wait_for,
- reg_id, (unsigned long long) *valp);
- ret = -ENODEV;
- break;
- }
- } while (1);
-
- return ret;
-}
-
-/**
- * ipath_waitfor_mdio_cmdready - wait for last command to complete
- * @dd: the infinipath device
- *
- * Like ipath_waitfor_complete(), but we wait for the CMDVALID bit to go
- * away indicating the last command has completed. It doesn't return data
- */
-int ipath_waitfor_mdio_cmdready(struct ipath_devdata *dd)
-{
- unsigned long timeout;
- u64 val;
- int ret;
-
- /* wait a ridiculously long time */
- timeout = jiffies + msecs_to_jiffies(5);
- do {
- val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_mdio);
- if (!(val & IPATH_MDIO_CMDVALID)) {
- ret = 0;
- break;
- }
- cond_resched();
- if (time_after(jiffies, timeout)) {
- ipath_dbg("CMDVALID stuck in mdio reg? (%llx)\n",
- (unsigned long long) val);
- ret = -ENODEV;
- break;
- }
- } while (1);
-
- return ret;
-}
-
/*
* Flush all sends that might be in the ready to send state, as well as any
val &= ~INFINIPATH_HWE_HTCMISCERR4;
/*
- * PLL ignored because MDIO interface has a logic problem
- * for reads, on Comstock and Ponderosa. BRINGUP
+ * PLL ignored because unused MDIO interface has a logic problem
*/
if (dd->ipath_boardrev == 4 || dd->ipath_boardrev == 9)
val &= ~INFINIPATH_HWE_SERDESPLLFAILED;
}
val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig);
- if (((val >> INFINIPATH_XGXS_MDIOADDR_SHIFT) &
- INFINIPATH_XGXS_MDIOADDR_MASK) != 3) {
- val &= ~(INFINIPATH_XGXS_MDIOADDR_MASK <<
- INFINIPATH_XGXS_MDIOADDR_SHIFT);
- /*
- * we use address 3
- */
- val |= 3ULL << INFINIPATH_XGXS_MDIOADDR_SHIFT;
- change = 1;
- }
if (val & INFINIPATH_XGXS_RESET) {
/* normally true after boot */
val &= ~INFINIPATH_XGXS_RESET;
(unsigned long long)
ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig));
- if (!ipath_waitfor_mdio_cmdready(dd)) {
- ipath_write_kreg(dd, dd->ipath_kregs->kr_mdio,
- ipath_mdio_req(IPATH_MDIO_CMD_READ, 31,
- IPATH_MDIO_CTRL_XGXS_REG_8,
- 0));
- if (ipath_waitfor_complete(dd, dd->ipath_kregs->kr_mdio,
- IPATH_MDIO_DATAVALID, &val))
- ipath_dbg("Never got MDIO data for XGXS status "
- "read\n");
- else
- ipath_cdbg(VERBOSE, "MDIO Read reg8, "
- "'bank' 31 %x\n", (u32) val);
- } else
- ipath_dbg("Never got MDIO cmdready for XGXS status read\n");
-
return ret; /* for now, say we always succeeded */
}
val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig);
prev_val = val;
- if (((val >> INFINIPATH_XGXS_MDIOADDR_SHIFT) &
- INFINIPATH_XGXS_MDIOADDR_MASK) != 3) {
- val &=
- ~(INFINIPATH_XGXS_MDIOADDR_MASK <<
- INFINIPATH_XGXS_MDIOADDR_SHIFT);
- /* MDIO address 3 */
- val |= 3ULL << INFINIPATH_XGXS_MDIOADDR_SHIFT;
- }
- if (val & INFINIPATH_XGXS_RESET) {
+ if (val & INFINIPATH_XGXS_RESET)
val &= ~INFINIPATH_XGXS_RESET;
- }
if (((val >> INFINIPATH_XGXS_RX_POL_SHIFT) &
INFINIPATH_XGXS_RX_POL_MASK) != dd->ipath_rx_pol_inv ) {
/* need to compensate for Tx inversion in partner */
(unsigned long long)
ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig));
- if (!ipath_waitfor_mdio_cmdready(dd)) {
- ipath_write_kreg(
- dd, dd->ipath_kregs->kr_mdio,
- ipath_mdio_req(IPATH_MDIO_CMD_READ, 31,
- IPATH_MDIO_CTRL_XGXS_REG_8, 0));
- if (ipath_waitfor_complete(dd, dd->ipath_kregs->kr_mdio,
- IPATH_MDIO_DATAVALID, &val))
- ipath_dbg("Never got MDIO data for XGXS "
- "status read\n");
- else
- ipath_cdbg(VERBOSE, "MDIO Read reg8, "
- "'bank' 31 %x\n", (u32) val);
- } else
- ipath_dbg("Never got MDIO cmdready for XGXS status read\n");
-
return ret;
}
/* free up any allocated data at closes */
void ipath_free_data(struct ipath_portdata *dd);
-int ipath_waitfor_mdio_cmdready(struct ipath_devdata *);
-int ipath_waitfor_complete(struct ipath_devdata *, ipath_kreg, u64, u64 *);
u32 __iomem *ipath_getpiobuf(struct ipath_devdata *, u32 *);
void ipath_init_iba6120_funcs(struct ipath_devdata *);
void ipath_init_iba6110_funcs(struct ipath_devdata *);
*/
#define IPATH_DFLT_RCVHDRSIZE 9
-#define IPATH_MDIO_CMD_WRITE 1
-#define IPATH_MDIO_CMD_READ 2
-#define IPATH_MDIO_CLD_DIV 25 /* to get 2.5 Mhz mdio clock */
-#define IPATH_MDIO_CMDVALID 0x40000000 /* bit 30 */
-#define IPATH_MDIO_DATAVALID 0x80000000 /* bit 31 */
-#define IPATH_MDIO_CTRL_STD 0x0
-
-static inline u64 ipath_mdio_req(int cmd, int dev, int reg, int data)
-{
- return (((u64) IPATH_MDIO_CLD_DIV) << 32) |
- (cmd << 26) |
- (dev << 21) |
- (reg << 16) |
- (data & 0xFFFF);
-}
-
- /* signal and fifo status, in bank 31 */
-#define IPATH_MDIO_CTRL_XGXS_REG_8 0x8
- /* controls loopback, redundancy */
-#define IPATH_MDIO_CTRL_8355_REG_1 0x10
- /* premph, encdec, etc. */
-#define IPATH_MDIO_CTRL_8355_REG_2 0x11
- /* Kchars, etc. */
-#define IPATH_MDIO_CTRL_8355_REG_6 0x15
-#define IPATH_MDIO_CTRL_8355_REG_9 0x18
-#define IPATH_MDIO_CTRL_8355_REG_10 0x1D
-
int ipath_get_user_pages(unsigned long, size_t, struct page **);
void ipath_release_user_pages(struct page **, size_t);
void ipath_release_user_pages_on_close(struct page **, size_t);
#define INFINIPATH_EXTC_LEDGBLOK_ON 0x00000002ULL
#define INFINIPATH_EXTC_LEDGBLERR_OFF 0x00000001ULL
-/* kr_mdio bits */
-#define INFINIPATH_MDIO_CLKDIV_MASK 0x7FULL
-#define INFINIPATH_MDIO_CLKDIV_SHIFT 32
-#define INFINIPATH_MDIO_COMMAND_MASK 0x7ULL
-#define INFINIPATH_MDIO_COMMAND_SHIFT 26
-#define INFINIPATH_MDIO_DEVADDR_MASK 0x1FULL
-#define INFINIPATH_MDIO_DEVADDR_SHIFT 21
-#define INFINIPATH_MDIO_REGADDR_MASK 0x1FULL
-#define INFINIPATH_MDIO_REGADDR_SHIFT 16
-#define INFINIPATH_MDIO_DATA_MASK 0xFFFFULL
-#define INFINIPATH_MDIO_DATA_SHIFT 0
-#define INFINIPATH_MDIO_CMDVALID 0x0000000040000000ULL
-#define INFINIPATH_MDIO_RDDATAVALID 0x0000000080000000ULL
-
/* kr_partitionkey bits */
#define INFINIPATH_PKEY_SIZE 16
#define INFINIPATH_PKEY_MASK 0xFFFF
/* kr_xgxsconfig bits */
#define INFINIPATH_XGXS_RESET 0x7ULL
-#define INFINIPATH_XGXS_MDIOADDR_MASK 0xfULL
-#define INFINIPATH_XGXS_MDIOADDR_SHIFT 4
#define INFINIPATH_XGXS_RX_POL_SHIFT 19
#define INFINIPATH_XGXS_RX_POL_MASK 0xfULL
projects / linux-2.6-omap-h63xx.git / commitdiff