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path: root/drivers/scsi/ipr.c
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Diffstat (limited to 'drivers/scsi/ipr.c')
-rw-r--r--drivers/scsi/ipr.c19
1 files changed, 17 insertions, 2 deletions
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index f820cffb7f0..62bbe31dd47 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -167,7 +167,8 @@ static const struct ipr_chip_cfg_t ipr_chip_cfg[] = {
.clr_uproc_interrupt_reg32 = 0x0002C,
.init_feedback_reg = 0x0005C,
.dump_addr_reg = 0x00064,
- .dump_data_reg = 0x00068
+ .dump_data_reg = 0x00068,
+ .endian_swap_reg = 0x00084
}
},
};
@@ -7208,6 +7209,12 @@ static int ipr_reset_enable_ioa(struct ipr_cmnd *ipr_cmd)
ipr_init_ioa_mem(ioa_cfg);
ioa_cfg->allow_interrupts = 1;
+ if (ioa_cfg->sis64) {
+ /* Set the adapter to the correct endian mode. */
+ writel(IPR_ENDIAN_SWAP_KEY, ioa_cfg->regs.endian_swap_reg);
+ int_reg = readl(ioa_cfg->regs.endian_swap_reg);
+ }
+
int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32);
if (int_reg & IPR_PCII_IOA_TRANS_TO_OPER) {
@@ -7365,6 +7372,7 @@ static void ipr_get_unit_check_buffer(struct ipr_ioa_cfg *ioa_cfg)
static int ipr_reset_restore_cfg_space(struct ipr_cmnd *ipr_cmd)
{
struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
+ volatile u32 int_reg;
int rc;
ENTER;
@@ -7383,6 +7391,12 @@ static int ipr_reset_restore_cfg_space(struct ipr_cmnd *ipr_cmd)
ipr_fail_all_ops(ioa_cfg);
+ if (ioa_cfg->sis64) {
+ /* Set the adapter to the correct endian mode. */
+ writel(IPR_ENDIAN_SWAP_KEY, ioa_cfg->regs.endian_swap_reg);
+ int_reg = readl(ioa_cfg->regs.endian_swap_reg);
+ }
+
if (ioa_cfg->ioa_unit_checked) {
ioa_cfg->ioa_unit_checked = 0;
ipr_get_unit_check_buffer(ioa_cfg);
@@ -7547,7 +7561,7 @@ static int ipr_reset_wait_to_start_bist(struct ipr_cmnd *ipr_cmd)
}
/**
- * ipr_reset_alert_part2 - Alert the adapter of a pending reset
+ * ipr_reset_alert - Alert the adapter of a pending reset
* @ipr_cmd: ipr command struct
*
* Description: This function alerts the adapter that it will be reset.
@@ -8318,6 +8332,7 @@ static void __devinit ipr_init_ioa_cfg(struct ipr_ioa_cfg *ioa_cfg,
t->init_feedback_reg = base + p->init_feedback_reg;
t->dump_addr_reg = base + p->dump_addr_reg;
t->dump_data_reg = base + p->dump_data_reg;
+ t->endian_swap_reg = base + p->endian_swap_reg;
}
}