diff options
| author |   Madhuranath Iyengar <Madhu.Iyengar@qlogic.com> | 2010-12-21 16:00:19 -0800 |
|---|---|---|
| committer |   James Bottomley <James.Bottomley@suse.de> | 2010-12-23 15:56:17 -0600 |
| commit | c9e8fd5cfb7de50139a8aa0f70f9fe03311cdd01 (patch) | |
| tree | b2172208b47ec59eaf00cb6bbad0f418a56079f1 /drivers/scsi | |
| parent | [SCSI] qla2xxx: Update FCP priority information to firmware before sending IOs (diff) | |
| download | linux-dev-c9e8fd5cfb7de50139a8aa0f70f9fe03311cdd01.tar.xz linux-dev-c9e8fd5cfb7de50139a8aa0f70f9fe03311cdd01.zip | |
[SCSI] qla2xxx: Fix for memory wedge on fw halt for ISP82XX
Signed-off-by: Swapnil Nagle <swapnil.nagle@qlogic.com>
Signed-off-by: Karen Higgins <karen.higgins@qlogic.com>
Signed-off-by: Madhuranath Iyengar <Madhu.Iyengar@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_nx.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c index 9175e847b93a..6ea5e98b850b 100644 --- a/drivers/scsi/qla2xxx/qla_nx.c +++ b/drivers/scsi/qla2xxx/qla_nx.c @@ -1079,11 +1079,55 @@ qla82xx_pinit_from_rom(scsi_qla_host_t *vha) /* Halt all the indiviual PEGs and other blocks of the ISP */ qla82xx_rom_lock(ha); + + /* mask all niu interrupts */ + qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x40, 0xff); + /* disable xge rx/tx */ + qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x70000, 0x00); + /* disable xg1 rx/tx */ + qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x80000, 0x00); + + /* halt sre */ + val = qla82xx_rd_32(ha, QLA82XX_CRB_SRE + 0x1000); + qla82xx_wr_32(ha, QLA82XX_CRB_SRE + 0x1000, val & (~(0x1))); + + /* halt epg */ + qla82xx_wr_32(ha, QLA82XX_CRB_EPG + 0x1300, 0x1); + + /* halt timers */ + qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x0, 0x0); + qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x8, 0x0); + qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x10, 0x0); + qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x18, 0x0); + qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x100, 0x0); + + /* halt pegs */ + qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x3c, 1); + qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1 + 0x3c, 1); + qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2 + 0x3c, 1); + qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3 + 0x3c, 1); + qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_4 + 0x3c, 1); + + /* big hammer */ + msleep(1000); if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) /* don't reset CAM block on reset */ qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xfeffffff); else qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xffffffff); + + /* reset ms */ + val = qla82xx_rd_32(ha, QLA82XX_CRB_QDR_NET + 0xe4); + val |= (1 << 1); + qla82xx_wr_32(ha, QLA82XX_CRB_QDR_NET + 0xe4, val); + msleep(20); + + /* unreset ms */ + val = qla82xx_rd_32(ha, QLA82XX_CRB_QDR_NET + 0xe4); + val &= ~(1 << 1); + qla82xx_wr_32(ha, QLA82XX_CRB_QDR_NET + 0xe4, val); + msleep(20); + qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK)); /* Read the signature value from the flash. |