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path: root/drivers/ata/sata_sx4.c
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Diffstat (limited to 'drivers/ata/sata_sx4.c')
-rw-r--r--drivers/ata/sata_sx4.c148
1 files changed, 53 insertions, 95 deletions
diff --git a/drivers/ata/sata_sx4.c b/drivers/ata/sata_sx4.c
index 4c01190a5e37..6ceec59cb291 100644
--- a/drivers/ata/sata_sx4.c
+++ b/drivers/ata/sata_sx4.c
@@ -78,6 +78,9 @@
#define DRV_NAME "sata_sx4"
#define DRV_VERSION "0.12"
+static int dimm_test;
+module_param(dimm_test, int, 0644);
+MODULE_PARM_DESC(dimm_test, "Enable DIMM test during startup (1 = enabled)");
enum {
PDC_MMIO_BAR = 3,
@@ -211,10 +214,8 @@ static unsigned int pdc20621_i2c_read(struct ata_host *host,
u32 device, u32 subaddr, u32 *pdata);
static int pdc20621_prog_dimm0(struct ata_host *host);
static unsigned int pdc20621_prog_dimm_global(struct ata_host *host);
-#ifdef ATA_VERBOSE_DEBUG
static void pdc20621_get_from_dimm(struct ata_host *host,
void *psource, u32 offset, u32 size);
-#endif
static void pdc20621_put_to_dimm(struct ata_host *host,
void *psource, u32 offset, u32 size);
static void pdc20621_irq_clear(struct ata_port *ap);
@@ -308,15 +309,9 @@ static inline void pdc20621_ata_sg(u8 *buf, unsigned int portno,
/* output ATA packet S/G table */
addr = PDC_20621_DIMM_BASE + PDC_20621_DIMM_DATA +
(PDC_DIMM_DATA_STEP * portno);
- VPRINTK("ATA sg addr 0x%x, %d\n", addr, addr);
+
buf32[dw] = cpu_to_le32(addr);
buf32[dw + 1] = cpu_to_le32(total_len | ATA_PRD_EOT);
-
- VPRINTK("ATA PSG @ %x == (0x%x, 0x%x)\n",
- PDC_20621_DIMM_BASE +
- (PDC_DIMM_WINDOW_STEP * portno) +
- PDC_DIMM_APKT_PRD,
- buf32[dw], buf32[dw + 1]);
}
static inline void pdc20621_host_sg(u8 *buf, unsigned int portno,
@@ -332,12 +327,6 @@ static inline void pdc20621_host_sg(u8 *buf, unsigned int portno,
buf32[dw] = cpu_to_le32(addr);
buf32[dw + 1] = cpu_to_le32(total_len | ATA_PRD_EOT);
-
- VPRINTK("HOST PSG @ %x == (0x%x, 0x%x)\n",
- PDC_20621_DIMM_BASE +
- (PDC_DIMM_WINDOW_STEP * portno) +
- PDC_DIMM_HPKT_PRD,
- buf32[dw], buf32[dw + 1]);
}
static inline unsigned int pdc20621_ata_pkt(struct ata_taskfile *tf,
@@ -351,7 +340,6 @@ static inline unsigned int pdc20621_ata_pkt(struct ata_taskfile *tf,
unsigned int dimm_sg = PDC_20621_DIMM_BASE +
(PDC_DIMM_WINDOW_STEP * portno) +
PDC_DIMM_APKT_PRD;
- VPRINTK("ENTER, dimm_sg == 0x%x, %d\n", dimm_sg, dimm_sg);
i = PDC_DIMM_ATA_PKT;
@@ -406,8 +394,6 @@ static inline void pdc20621_host_pkt(struct ata_taskfile *tf, u8 *buf,
unsigned int dimm_sg = PDC_20621_DIMM_BASE +
(PDC_DIMM_WINDOW_STEP * portno) +
PDC_DIMM_HPKT_PRD;
- VPRINTK("ENTER, dimm_sg == 0x%x, %d\n", dimm_sg, dimm_sg);
- VPRINTK("host_sg == 0x%x, %d\n", host_sg, host_sg);
dw = PDC_DIMM_HOST_PKT >> 2;
@@ -424,14 +410,6 @@ static inline void pdc20621_host_pkt(struct ata_taskfile *tf, u8 *buf,
buf32[dw + 1] = cpu_to_le32(host_sg);
buf32[dw + 2] = cpu_to_le32(dimm_sg);
buf32[dw + 3] = 0;
-
- VPRINTK("HOST PKT @ %x == (0x%x 0x%x 0x%x 0x%x)\n",
- PDC_20621_DIMM_BASE + (PDC_DIMM_WINDOW_STEP * portno) +
- PDC_DIMM_HOST_PKT,
- buf32[dw + 0],
- buf32[dw + 1],
- buf32[dw + 2],
- buf32[dw + 3]);
}
static void pdc20621_dma_prep(struct ata_queued_cmd *qc)
@@ -447,8 +425,6 @@ static void pdc20621_dma_prep(struct ata_queued_cmd *qc)
WARN_ON(!(qc->flags & ATA_QCFLAG_DMAMAP));
- VPRINTK("ata%u: ENTER\n", ap->print_id);
-
/* hard-code chip #0 */
mmio += PDC_CHIP0_OFS;
@@ -492,7 +468,8 @@ static void pdc20621_dma_prep(struct ata_queued_cmd *qc)
readl(dimm_mmio); /* MMIO PCI posting flush */
- VPRINTK("ata pkt buf ofs %u, prd size %u, mmio copied\n", i, sgt_len);
+ ata_port_dbg(ap, "ata pkt buf ofs %u, prd size %u, mmio copied\n",
+ i, sgt_len);
}
static void pdc20621_nodata_prep(struct ata_queued_cmd *qc)
@@ -504,8 +481,6 @@ static void pdc20621_nodata_prep(struct ata_queued_cmd *qc)
unsigned int portno = ap->port_no;
unsigned int i;
- VPRINTK("ata%u: ENTER\n", ap->print_id);
-
/* hard-code chip #0 */
mmio += PDC_CHIP0_OFS;
@@ -527,7 +502,7 @@ static void pdc20621_nodata_prep(struct ata_queued_cmd *qc)
readl(dimm_mmio); /* MMIO PCI posting flush */
- VPRINTK("ata pkt buf ofs %u, mmio copied\n", i);
+ ata_port_dbg(ap, "ata pkt buf ofs %u, mmio copied\n", i);
}
static enum ata_completion_errors pdc20621_qc_prep(struct ata_queued_cmd *qc)
@@ -601,7 +576,6 @@ static void pdc20621_pop_hdma(struct ata_queued_cmd *qc)
pp->hdma_cons++;
}
-#ifdef ATA_VERBOSE_DEBUG
static void pdc20621_dump_hdma(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
@@ -611,14 +585,10 @@ static void pdc20621_dump_hdma(struct ata_queued_cmd *qc)
dimm_mmio += (port_no * PDC_DIMM_WINDOW_STEP);
dimm_mmio += PDC_DIMM_HOST_PKT;
- printk(KERN_ERR "HDMA[0] == 0x%08X\n", readl(dimm_mmio));
- printk(KERN_ERR "HDMA[1] == 0x%08X\n", readl(dimm_mmio + 4));
- printk(KERN_ERR "HDMA[2] == 0x%08X\n", readl(dimm_mmio + 8));
- printk(KERN_ERR "HDMA[3] == 0x%08X\n", readl(dimm_mmio + 12));
+ ata_port_dbg(ap, "HDMA 0x%08X 0x%08X 0x%08X 0x%08X\n",
+ readl(dimm_mmio), readl(dimm_mmio + 4),
+ readl(dimm_mmio + 8), readl(dimm_mmio + 12));
}
-#else
-static inline void pdc20621_dump_hdma(struct ata_queued_cmd *qc) { }
-#endif /* ATA_VERBOSE_DEBUG */
static void pdc20621_packet_start(struct ata_queued_cmd *qc)
{
@@ -633,8 +603,6 @@ static void pdc20621_packet_start(struct ata_queued_cmd *qc)
/* hard-code chip #0 */
mmio += PDC_CHIP0_OFS;
- VPRINTK("ata%u: ENTER\n", ap->print_id);
-
wmb(); /* flush PRD, pkt writes */
port_ofs = PDC_20621_DIMM_BASE + (PDC_DIMM_WINDOW_STEP * port_no);
@@ -645,7 +613,7 @@ static void pdc20621_packet_start(struct ata_queued_cmd *qc)
pdc20621_dump_hdma(qc);
pdc20621_push_hdma(qc, seq, port_ofs + PDC_DIMM_HOST_PKT);
- VPRINTK("queued ofs 0x%x (%u), seq %u\n",
+ ata_port_dbg(ap, "queued ofs 0x%x (%u), seq %u\n",
port_ofs + PDC_DIMM_HOST_PKT,
port_ofs + PDC_DIMM_HOST_PKT,
seq);
@@ -656,7 +624,7 @@ static void pdc20621_packet_start(struct ata_queued_cmd *qc)
writel(port_ofs + PDC_DIMM_ATA_PKT,
ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT);
readl(ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT);
- VPRINTK("submitted ofs 0x%x (%u), seq %u\n",
+ ata_port_dbg(ap, "submitted ofs 0x%x (%u), seq %u\n",
port_ofs + PDC_DIMM_ATA_PKT,
port_ofs + PDC_DIMM_ATA_PKT,
seq);
@@ -696,14 +664,12 @@ static inline unsigned int pdc20621_host_intr(struct ata_port *ap,
u8 status;
unsigned int handled = 0;
- VPRINTK("ENTER\n");
-
if ((qc->tf.protocol == ATA_PROT_DMA) && /* read */
(!(qc->tf.flags & ATA_TFLAG_WRITE))) {
/* step two - DMA from DIMM to host */
if (doing_hdma) {
- VPRINTK("ata%u: read hdma, 0x%x 0x%x\n", ap->print_id,
+ ata_port_dbg(ap, "read hdma, 0x%x 0x%x\n",
readl(mmio + 0x104), readl(mmio + PDC_HDMA_CTLSTAT));
/* get drive status; clear intr; complete txn */
qc->err_mask |= ac_err_mask(ata_wait_idle(ap));
@@ -714,7 +680,7 @@ static inline unsigned int pdc20621_host_intr(struct ata_port *ap,
/* step one - exec ATA command */
else {
u8 seq = (u8) (port_no + 1 + 4);
- VPRINTK("ata%u: read ata, 0x%x 0x%x\n", ap->print_id,
+ ata_port_dbg(ap, "read ata, 0x%x 0x%x\n",
readl(mmio + 0x104), readl(mmio + PDC_HDMA_CTLSTAT));
/* submit hdma pkt */
@@ -729,7 +695,7 @@ static inline unsigned int pdc20621_host_intr(struct ata_port *ap,
/* step one - DMA from host to DIMM */
if (doing_hdma) {
u8 seq = (u8) (port_no + 1);
- VPRINTK("ata%u: write hdma, 0x%x 0x%x\n", ap->print_id,
+ ata_port_dbg(ap, "write hdma, 0x%x 0x%x\n",
readl(mmio + 0x104), readl(mmio + PDC_HDMA_CTLSTAT));
/* submit ata pkt */
@@ -742,7 +708,7 @@ static inline unsigned int pdc20621_host_intr(struct ata_port *ap,
/* step two - execute ATA command */
else {
- VPRINTK("ata%u: write ata, 0x%x 0x%x\n", ap->print_id,
+ ata_port_dbg(ap, "write ata, 0x%x 0x%x\n",
readl(mmio + 0x104), readl(mmio + PDC_HDMA_CTLSTAT));
/* get drive status; clear intr; complete txn */
qc->err_mask |= ac_err_mask(ata_wait_idle(ap));
@@ -755,7 +721,7 @@ static inline unsigned int pdc20621_host_intr(struct ata_port *ap,
} else if (qc->tf.protocol == ATA_PROT_NODATA) {
status = ata_sff_busy_wait(ap, ATA_BUSY | ATA_DRQ, 1000);
- DPRINTK("BUS_NODATA (drv_stat 0x%X)\n", status);
+ ata_port_dbg(ap, "BUS_NODATA (drv_stat 0x%X)\n", status);
qc->err_mask |= ac_err_mask(status);
ata_qc_complete(qc);
handled = 1;
@@ -781,29 +747,21 @@ static irqreturn_t pdc20621_interrupt(int irq, void *dev_instance)
unsigned int handled = 0;
void __iomem *mmio_base;
- VPRINTK("ENTER\n");
-
- if (!host || !host->iomap[PDC_MMIO_BAR]) {
- VPRINTK("QUICK EXIT\n");
+ if (!host || !host->iomap[PDC_MMIO_BAR])
return IRQ_NONE;
- }
mmio_base = host->iomap[PDC_MMIO_BAR];
/* reading should also clear interrupts */
mmio_base += PDC_CHIP0_OFS;
mask = readl(mmio_base + PDC_20621_SEQMASK);
- VPRINTK("mask == 0x%x\n", mask);
- if (mask == 0xffffffff) {
- VPRINTK("QUICK EXIT 2\n");
+ if (mask == 0xffffffff)
return IRQ_NONE;
- }
+
mask &= 0xffff; /* only 16 tags possible */
- if (!mask) {
- VPRINTK("QUICK EXIT 3\n");
+ if (!mask)
return IRQ_NONE;
- }
spin_lock(&host->lock);
@@ -816,7 +774,8 @@ static irqreturn_t pdc20621_interrupt(int irq, void *dev_instance)
else
ap = host->ports[port_no];
tmp = mask & (1 << i);
- VPRINTK("seq %u, port_no %u, ap %p, tmp %x\n", i, port_no, ap, tmp);
+ if (ap)
+ ata_port_dbg(ap, "seq %u, tmp %x\n", i, tmp);
if (tmp && ap) {
struct ata_queued_cmd *qc;
@@ -829,10 +788,6 @@ static irqreturn_t pdc20621_interrupt(int irq, void *dev_instance)
spin_unlock(&host->lock);
- VPRINTK("mask == 0x%x\n", mask);
-
- VPRINTK("EXIT\n");
-
return IRQ_RETVAL(handled);
}
@@ -979,7 +934,6 @@ static void pdc_sata_setup_port(struct ata_ioports *port, void __iomem *base)
}
-#ifdef ATA_VERBOSE_DEBUG
static void pdc20621_get_from_dimm(struct ata_host *host, void *psource,
u32 offset, u32 size)
{
@@ -1029,7 +983,6 @@ static void pdc20621_get_from_dimm(struct ata_host *host, void *psource,
memcpy_fromio(psource, dimm_mmio, size / 4);
}
}
-#endif
static void pdc20621_put_to_dimm(struct ata_host *host, void *psource,
@@ -1226,15 +1179,16 @@ static unsigned int pdc20621_prog_dimm_global(struct ata_host *host)
/* Turn on for ECC */
if (!pdc20621_i2c_read(host, PDC_DIMM0_SPD_DEV_ADDRESS,
PDC_DIMM_SPD_TYPE, &spd0)) {
- pr_err("Failed in i2c read: device=%#x, subaddr=%#x\n",
- PDC_DIMM0_SPD_DEV_ADDRESS, PDC_DIMM_SPD_TYPE);
+ dev_err(host->dev,
+ "Failed in i2c read: device=%#x, subaddr=%#x\n",
+ PDC_DIMM0_SPD_DEV_ADDRESS, PDC_DIMM_SPD_TYPE);
return 1;
}
if (spd0 == 0x02) {
data |= (0x01 << 16);
writel(data, mmio + PDC_SDRAM_CONTROL);
readl(mmio + PDC_SDRAM_CONTROL);
- printk(KERN_ERR "Local DIMM ECC Enabled\n");
+ dev_err(host->dev, "Local DIMM ECC Enabled\n");
}
/* DIMM Initialization Select/Enable (bit 18/19) */
@@ -1274,7 +1228,7 @@ static unsigned int pdc20621_dimm_init(struct ata_host *host)
/* Initialize Time Period Register */
writel(0xffffffff, mmio + PDC_TIME_PERIOD);
time_period = readl(mmio + PDC_TIME_PERIOD);
- VPRINTK("Time Period Register (0x40): 0x%x\n", time_period);
+ dev_dbg(host->dev, "Time Period Register (0x40): 0x%x\n", time_period);
/* Enable timer */
writel(PDC_TIMER_DEFAULT, mmio + PDC_TIME_CONTROL);
@@ -1289,7 +1243,7 @@ static unsigned int pdc20621_dimm_init(struct ata_host *host)
*/
tcount = readl(mmio + PDC_TIME_COUNTER);
- VPRINTK("Time Counter Register (0x44): 0x%x\n", tcount);
+ dev_dbg(host->dev, "Time Counter Register (0x44): 0x%x\n", tcount);
/*
If SX4 is on PCI-X bus, after 3 seconds, the timer counter
@@ -1297,17 +1251,19 @@ static unsigned int pdc20621_dimm_init(struct ata_host *host)
*/
if (tcount >= PCI_X_TCOUNT) {
ticks = (time_period - tcount);
- VPRINTK("Num counters 0x%x (%d)\n", ticks, ticks);
+ dev_dbg(host->dev, "Num counters 0x%x (%d)\n", ticks, ticks);
clock = (ticks / 300000);
- VPRINTK("10 * Internal clk = 0x%x (%d)\n", clock, clock);
+ dev_dbg(host->dev, "10 * Internal clk = 0x%x (%d)\n",
+ clock, clock);
clock = (clock * 33);
- VPRINTK("10 * Internal clk * 33 = 0x%x (%d)\n", clock, clock);
+ dev_dbg(host->dev, "10 * Internal clk * 33 = 0x%x (%d)\n",
+ clock, clock);
/* PLL F Param (bit 22:16) */
fparam = (1400000 / clock) - 2;
- VPRINTK("PLL F Param: 0x%x (%d)\n", fparam, fparam);
+ dev_dbg(host->dev, "PLL F Param: 0x%x (%d)\n", fparam, fparam);
/* OD param = 0x2 (bit 31:30), R param = 0x5 (bit 29:25) */
pci_status = (0x8a001824 | (fparam << 16));
@@ -1315,7 +1271,7 @@ static unsigned int pdc20621_dimm_init(struct ata_host *host)
pci_status = PCI_PLL_INIT;
/* Initialize PLL. */
- VPRINTK("pci_status: 0x%x\n", pci_status);
+ dev_dbg(host->dev, "pci_status: 0x%x\n", pci_status);
writel(pci_status, mmio + PDC_CTL_STATUS);
readl(mmio + PDC_CTL_STATUS);
@@ -1324,23 +1280,23 @@ static unsigned int pdc20621_dimm_init(struct ata_host *host)
and program the DIMM Module Controller.
*/
if (!(speed = pdc20621_detect_dimm(host))) {
- printk(KERN_ERR "Detect Local DIMM Fail\n");
+ dev_err(host->dev, "Detect Local DIMM Fail\n");
return 1; /* DIMM error */
}
- VPRINTK("Local DIMM Speed = %d\n", speed);
+ dev_dbg(host->dev, "Local DIMM Speed = %d\n", speed);
/* Programming DIMM0 Module Control Register (index_CID0:80h) */
size = pdc20621_prog_dimm0(host);
- VPRINTK("Local DIMM Size = %dMB\n", size);
+ dev_dbg(host->dev, "Local DIMM Size = %dMB\n", size);
/* Programming DIMM Module Global Control Register (index_CID0:88h) */
if (pdc20621_prog_dimm_global(host)) {
- printk(KERN_ERR "Programming DIMM Module Global Control Register Fail\n");
+ dev_err(host->dev,
+ "Programming DIMM Module Global Control Register Fail\n");
return 1;
}
-#ifdef ATA_VERBOSE_DEBUG
- {
+ if (dimm_test) {
u8 test_parttern1[40] =
{0x55,0xAA,'P','r','o','m','i','s','e',' ',
'N','o','t',' ','Y','e','t',' ',
@@ -1354,31 +1310,33 @@ static unsigned int pdc20621_dimm_init(struct ata_host *host)
pdc20621_put_to_dimm(host, test_parttern1, 0x10040, 40);
pdc20621_get_from_dimm(host, test_parttern2, 0x40, 40);
- printk(KERN_ERR "%x, %x, %s\n", test_parttern2[0],
+ dev_info(host->dev, "DIMM test pattern 1: %x, %x, %s\n", test_parttern2[0],
test_parttern2[1], &(test_parttern2[2]));
pdc20621_get_from_dimm(host, test_parttern2, 0x10040,
40);
- printk(KERN_ERR "%x, %x, %s\n", test_parttern2[0],
- test_parttern2[1], &(test_parttern2[2]));
+ dev_info(host->dev, "DIMM test pattern 2: %x, %x, %s\n",
+ test_parttern2[0],
+ test_parttern2[1], &(test_parttern2[2]));
pdc20621_put_to_dimm(host, test_parttern1, 0x40, 40);
pdc20621_get_from_dimm(host, test_parttern2, 0x40, 40);
- printk(KERN_ERR "%x, %x, %s\n", test_parttern2[0],
- test_parttern2[1], &(test_parttern2[2]));
+ dev_info(host->dev, "DIMM test pattern 3: %x, %x, %s\n",
+ test_parttern2[0],
+ test_parttern2[1], &(test_parttern2[2]));
}
-#endif
/* ECC initiliazation. */
if (!pdc20621_i2c_read(host, PDC_DIMM0_SPD_DEV_ADDRESS,
PDC_DIMM_SPD_TYPE, &spd0)) {
- pr_err("Failed in i2c read: device=%#x, subaddr=%#x\n",
+ dev_err(host->dev,
+ "Failed in i2c read: device=%#x, subaddr=%#x\n",
PDC_DIMM0_SPD_DEV_ADDRESS, PDC_DIMM_SPD_TYPE);
return 1;
}
if (spd0 == 0x02) {
void *buf;
- VPRINTK("Start ECC initialization\n");
+ dev_dbg(host->dev, "Start ECC initialization\n");
addr = 0;
length = size * 1024 * 1024;
buf = kzalloc(ECC_ERASE_BUF_SZ, GFP_KERNEL);
@@ -1390,7 +1348,7 @@ static unsigned int pdc20621_dimm_init(struct ata_host *host)
addr += ECC_ERASE_BUF_SZ;
}
kfree(buf);
- VPRINTK("Finish ECC initialization\n");
+ dev_dbg(host->dev, "Finish ECC initialization\n");
}
return 0;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.