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[SCSI] qla1280: don't use bitfields for hardware access in isp_config

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Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Thiemo Seufer <ths@linux-mips.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Christoph Hellwig 2005-07-04 17:48:55 +02:00 committed by James Bottomley
parent 5c79d6154f
commit 0888f4c331
2 changed files with 41 additions and 33 deletions
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44
drivers/scsi/qla1280.c
View File

@ -2189,9 +2189,9 @@ qla1280_set_defaults(struct scsi_qla_host *ha)
/* nv->cntr_flags_1.disable_loading_risc_code = 1; */
nv->firmware_feature.f.enable_fast_posting = 1;
nv->firmware_feature.f.disable_synchronous_backoff = 1;
nv->termination.f.scsi_bus_0_control = 3;
nv->termination.f.scsi_bus_1_control = 3;
nv->termination.f.auto_term_support = 1;
nv->termination.scsi_bus_0_control = 3;
nv->termination.scsi_bus_1_control = 3;
nv->termination.auto_term_support = 1;
/*
* Set default FIFO magic - What appropriate values would be here
@ -2201,7 +2201,12 @@ qla1280_set_defaults(struct scsi_qla_host *ha)
* header file provided by QLogic seems to be bogus or incomplete
* at best.
*/
nv->isp_config.c = ISP_CFG1_BENAB|ISP_CFG1_F128;
nv->isp_config.burst_enable = 1;
if (IS_ISP1040(ha))
nv->isp_config.fifo_threshold |= 3;
else
nv->isp_config.fifo_threshold |= 4;
if (IS_ISP1x160(ha))
nv->isp_parameter = 0x01; /* fast memory enable */
@ -2362,31 +2367,40 @@ qla1280_nvram_config(struct scsi_qla_host *ha)
hwrev = RD_REG_WORD(&reg->cfg_0) & ISP_CFG0_HWMSK;
cfg1 = RD_REG_WORD(&reg->cfg_1);
cfg1 = RD_REG_WORD(&reg->cfg_1) & ~(BIT_4 | BIT_5 | BIT_6);
cdma_conf = RD_REG_WORD(&reg->cdma_cfg);
ddma_conf = RD_REG_WORD(&reg->ddma_cfg);
/* Busted fifo, says mjacob. */
if (hwrev == ISP_CFG0_1040A)
WRT_REG_WORD(&reg->cfg_1, cfg1 | ISP_CFG1_F64);
else
WRT_REG_WORD(&reg->cfg_1, cfg1 | ISP_CFG1_F64 | ISP_CFG1_BENAB);
if (hwrev != ISP_CFG0_1040A)
cfg1 |= nv->isp_config.fifo_threshold << 4;
cfg1 |= nv->isp_config.burst_enable << 2;
WRT_REG_WORD(&reg->cfg_1, cfg1);
WRT_REG_WORD(&reg->cdma_cfg, cdma_conf | CDMA_CONF_BENAB);
WRT_REG_WORD(&reg->ddma_cfg, cdma_conf | DDMA_CONF_BENAB);
} else {
uint16_t cfg1, term;
/* Set ISP hardware DMA burst */
mb[0] = nv->isp_config.c;
cfg1 = nv->isp_config.fifo_threshold << 4;
cfg1 |= nv->isp_config.burst_enable << 2;
/* Enable DMA arbitration on dual channel controllers */
if (ha->ports > 1)
mb[0] |= BIT_13;
WRT_REG_WORD(&reg->cfg_1, mb[0]);
cfg1 |= BIT_13;
WRT_REG_WORD(&reg->cfg_1, cfg1);
/* Set SCSI termination. */
WRT_REG_WORD(&reg->gpio_enable, (BIT_3 + BIT_2 + BIT_1 + BIT_0));
mb[0] = nv->termination.c & (BIT_3 + BIT_2 + BIT_1 + BIT_0);
WRT_REG_WORD(&reg->gpio_data, mb[0]);
WRT_REG_WORD(&reg->gpio_enable,
BIT_7 | BIT_3 | BIT_2 | BIT_1 | BIT_0);
term = nv->termination.scsi_bus_1_control;
term |= nv->termination.scsi_bus_0_control << 2;
term |= nv->termination.auto_term_support << 7;
RD_REG_WORD(&reg->id_l); /* Flush PCI write */
WRT_REG_WORD(&reg->gpio_data, term);
}
RD_REG_WORD(&reg->id_l); /* Flush PCI write */
/* ISP parameter word. */
mb[0] = MBC_SET_SYSTEM_PARAMETER;

30
drivers/scsi/qla1280.h
View File

@ -375,29 +375,23 @@ struct nvram {
uint16_t unused_12; /* 12, 13 */
uint16_t unused_14; /* 14, 15 */
union {
uint8_t c;
struct {
uint8_t reserved:2;
uint8_t burst_enable:1;
uint8_t reserved_1:1;
uint8_t fifo_threshold:4;
} f;
struct {
uint8_t reserved:2;
uint8_t burst_enable:1;
uint8_t reserved_1:1;
uint8_t fifo_threshold:4;
} isp_config; /* 16 */
/* Termination
* 0 = Disable, 1 = high only, 3 = Auto term
*/
union {
uint8_t c;
struct {
uint8_t scsi_bus_1_control:2;
uint8_t scsi_bus_0_control:2;
uint8_t unused_0:1;
uint8_t unused_1:1;
uint8_t unused_2:1;
uint8_t auto_term_support:1;
} f;
struct {
uint8_t scsi_bus_1_control:2;
uint8_t scsi_bus_0_control:2;
uint8_t unused_0:1;
uint8_t unused_1:1;
uint8_t unused_2:1;
uint8_t auto_term_support:1;
} termination; /* 17 */
uint16_t isp_parameter; /* 18, 19 */