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authorMadhuranath Iyengar <Madhu.Iyengar@qlogic.com>2010-12-22 03:00:19 +0300
committerJames Bottomley <James.Bottomley@suse.de>2010-12-24 00:56:17 +0300
commitc9e8fd5cfb7de50139a8aa0f70f9fe03311cdd01 (patch)
treeb2172208b47ec59eaf00cb6bbad0f418a56079f1 /drivers/scsi
parent21090cbe95189d4ce6135fc8fec2f416b3eb227f (diff)
downloadlinux-c9e8fd5cfb7de50139a8aa0f70f9fe03311cdd01.tar.xz
[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.c44
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.