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ata: sata_sx4: add module parameter 'dimm_test'

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Add module parameter 'dimm_test' to enable DIMM testing during startup.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
This commit is contained in:
Hannes Reinecke 2021-12-21 08:21:00 +01:00 committed by Damien Le Moal
parent bc21c1056d
commit f11c5403a1
1 changed files with 14 additions and 20 deletions
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34
drivers/ata/sata_sx4.c
View file

@ -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);
@ -575,7 +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;
@ -585,14 +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)
{
@ -938,7 +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)
{
@ -988,7 +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,
@ -1301,8 +1295,7 @@ static unsigned int pdc20621_dimm_init(struct ata_host *host)
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',' ',
@ -1316,19 +1309,20 @@ 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. */