/*
* QLogic iSCSI HBA Driver
- * Copyright (c) 2003-2009 QLogic Corporation
+ * Copyright (c) 2003-2010 QLogic Corporation
*
* See LICENSE.qla4xxx for copyright and licensing details.
*/
#include <linux/delay.h>
+#include <linux/io.h>
#include <linux/pci.h>
#include "ql4_def.h"
#include "ql4_glbl.h"
done = qla4_8xxx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_LOCK));
if (done == 1)
break;
- if (timeout >= qla4_8xxx_rom_lock_timeout)
+ if (timeout >= qla4_8xxx_rom_lock_timeout) {
+ ql4_printk(KERN_WARNING, ha,
+ "%s: Failed to acquire rom lock", __func__);
return -1;
+ }
timeout++;
/* Halt all the indiviual PEGs and other blocks of the ISP */
qla4_8xxx_rom_lock(ha);
+
+ /* mask all niu interrupts */
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_NIU + 0x40, 0xff);
+ /* disable xge rx/tx */
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_NIU + 0x70000, 0x00);
+ /* disable xg1 rx/tx */
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_NIU + 0x80000, 0x00);
+
+ /* halt sre */
+ val = qla4_8xxx_rd_32(ha, QLA82XX_CRB_SRE + 0x1000);
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_SRE + 0x1000, val & (~(0x1)));
+
+ /* halt epg */
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_EPG + 0x1300, 0x1);
+
+ /* halt timers */
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_TIMER + 0x0, 0x0);
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_TIMER + 0x8, 0x0);
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_TIMER + 0x10, 0x0);
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_TIMER + 0x18, 0x0);
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_TIMER + 0x100, 0x0);
+
+ /* halt pegs */
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x3c, 1);
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_PEG_NET_1 + 0x3c, 1);
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_PEG_NET_2 + 0x3c, 1);
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_PEG_NET_3 + 0x3c, 1);
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_PEG_NET_4 + 0x3c, 1);
+
+ /* big hammer */
+ msleep(1000);
if (test_bit(DPC_RESET_HA, &ha->dpc_flags))
/* don't reset CAM block on reset */
qla4_8xxx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xfeffffff);
else
qla4_8xxx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xffffffff);
+ /* reset ms */
+ val = qla4_8xxx_rd_32(ha, QLA82XX_CRB_QDR_NET + 0xe4);
+ val |= (1 << 1);
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_QDR_NET + 0xe4, val);
+
+ msleep(20);
+ /* unreset ms */
+ val = qla4_8xxx_rd_32(ha, QLA82XX_CRB_QDR_NET + 0xe4);
+ val &= ~(1 << 1);
+ qla4_8xxx_wr_32(ha, QLA82XX_CRB_QDR_NET + 0xe4, val);
+ msleep(20);
+
qla4_8xxx_rom_unlock(ha);
/* Read the signature value from the flash.
return 0;
}
-static int qla4_8xxx_check_for_bad_spd(struct scsi_qla_host *ha)
-{
- u32 val = 0;
- val = qla4_8xxx_rd_32(ha, BOOT_LOADER_DIMM_STATUS) ;
- val &= QLA82XX_BOOT_LOADER_MN_ISSUE;
- if (val & QLA82XX_PEG_TUNE_MN_SPD_ZEROED) {
- printk("Memory DIMM SPD not programmed. Assumed valid.\n");
- return 1;
- } else if (val) {
- printk("Memory DIMM type incorrect. Info:%08X.\n", val);
- return 2;
- }
- return 0;
-}
-
static int
qla4_8xxx_load_from_flash(struct scsi_qla_host *ha, uint32_t image_start)
{
- int i;
+ int i, rval = 0;
long size = 0;
long flashaddr, memaddr;
u64 data;
u32 high, low;
flashaddr = memaddr = ha->hw.flt_region_bootload;
- size = (image_start - flashaddr)/8;
+ size = (image_start - flashaddr) / 8;
DEBUG2(printk("scsi%ld: %s: bootldr=0x%lx, fw_image=0x%x\n",
ha->host_no, __func__, flashaddr, image_start));
if ((qla4_8xxx_rom_fast_read(ha, flashaddr, (int *)&low)) ||
(qla4_8xxx_rom_fast_read(ha, flashaddr + 4,
(int *)&high))) {
- return -1;
+ rval = -1;
+ goto exit_load_from_flash;
}
data = ((u64)high << 32) | low ;
- qla4_8xxx_pci_mem_write_2M(ha, memaddr, &data, 8);
+ rval = qla4_8xxx_pci_mem_write_2M(ha, memaddr, &data, 8);
+ if (rval)
+ goto exit_load_from_flash;
+
flashaddr += 8;
memaddr += 8;
- if (i%0x1000 == 0)
+ if (i % 0x1000 == 0)
msleep(1);
}
qla4_8xxx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001e);
read_unlock(&ha->hw_lock);
- return 0;
+exit_load_from_flash:
+ return rval;
}
static int qla4_8xxx_load_fw(struct scsi_qla_host *ha, uint32_t image_start)
} while (--retries);
- qla4_8xxx_check_for_bad_spd(ha);
-
if (!retries) {
pegtune_val = qla4_8xxx_rd_32(ha,
QLA82XX_ROMUSB_GLB_PEGTUNE_DONE);
ql4_printk(KERN_INFO, ha,
"FW: Attempting to load firmware from flash...\n");
rval = qla4_8xxx_start_firmware(ha, ha->hw.flt_region_fw);
- if (rval == QLA_SUCCESS)
- return rval;
- ql4_printk(KERN_ERR, ha, "FW: Load firmware from flash FAILED...\n");
+ if (rval != QLA_SUCCESS) {
+ ql4_printk(KERN_ERR, ha, "FW: Load firmware from flash"
+ " FAILED...\n");
+ return rval;
+ }
return rval;
}
+static void qla4_8xxx_rom_lock_recovery(struct scsi_qla_host *ha)
+{
+ if (qla4_8xxx_rom_lock(ha)) {
+ /* Someone else is holding the lock. */
+ dev_info(&ha->pdev->dev, "Resetting rom_lock\n");
+ }
+
+ /*
+ * Either we got the lock, or someone
+ * else died while holding it.
+ * In either case, unlock.
+ */
+ qla4_8xxx_rom_unlock(ha);
+}
+
/**
* qla4_8xxx_device_bootstrap - Initialize device, set DEV_READY, start fw
* @ha: pointer to adapter structure
static int
qla4_8xxx_device_bootstrap(struct scsi_qla_host *ha)
{
- int rval, i, timeout;
+ int rval = QLA_ERROR;
+ int i, timeout;
uint32_t old_count, count;
+ int need_reset = 0, peg_stuck = 1;
- if (qla4_8xxx_need_reset(ha))
- goto dev_initialize;
+ need_reset = qla4_8xxx_need_reset(ha);
old_count = qla4_8xxx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER);
if (timeout) {
qla4_8xxx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
QLA82XX_DEV_FAILED);
- return QLA_ERROR;
+ return rval;
}
count = qla4_8xxx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER);
if (count != old_count)
+ peg_stuck = 0;
+ }
+
+ if (need_reset) {
+ /* We are trying to perform a recovery here. */
+ if (peg_stuck)
+ qla4_8xxx_rom_lock_recovery(ha);
+ goto dev_initialize;
+ } else {
+ /* Start of day for this ha context. */
+ if (peg_stuck) {
+ /* Either we are the first or recovery in progress. */
+ qla4_8xxx_rom_lock_recovery(ha);
+ goto dev_initialize;
+ } else {
+ /* Firmware already running. */
+ rval = QLA_SUCCESS;
goto dev_ready;
+ }
}
dev_initialize:
ql4_printk(KERN_INFO, ha, "HW State: READY\n");
qla4_8xxx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_READY);
- return QLA_SUCCESS;
+ return rval;
}
/**
int retval;
retval = qla4_8xxx_device_state_handler(ha);
- if (retval == QLA_SUCCESS &&
- !test_bit(AF_INIT_DONE, &ha->flags)) {
+ if (retval == QLA_SUCCESS && !test_bit(AF_INIT_DONE, &ha->flags))
retval = qla4xxx_request_irqs(ha);
- if (retval != QLA_SUCCESS) {
- ql4_printk(KERN_WARNING, ha,
- "Failed to reserve interrupt %d already in use.\n",
- ha->pdev->irq);
- } else {
- set_bit(AF_IRQ_ATTACHED, &ha->flags);
- ha->host->irq = ha->pdev->irq;
- ql4_printk(KERN_INFO, ha, "%s: irq %d attached\n",
- __func__, ha->pdev->irq);
- }
- }
+
return retval;
}
projects / mv-sheeva.git / blobdiff