Commit f11c5403 authored by Hannes Reinecke's avatar Hannes Reinecke Committed by Damien Le Moal
Browse files

ata: sata_sx4: add module parameter 'dimm_test' 



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

Signed-off-by: default avatarHannes Reinecke <hare@suse.de>
Signed-off-by: default avatarDamien Le Moal <damien.lemoal@opensource.wdc.com>
parent bc21c105

drivers/ata/sata_sx4.c

+14 −20
Original line number Diff line number Diff line
@@ -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],

		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],

		dev_info(host->dev, "DIMM test pattern 3: %x, %x, %s\n",

			 test_parttern2[0],

			 test_parttern2[1], &(test_parttern2[2]));

	}

#endif



	/* ECC initiliazation. */