solos: Add 'reset' module parameter to reset the DSL chips on load

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c
index 21c73b17d5fd..c54ecebc9a73 100644
--- a/drivers/atm/solos-pci.c
+++ b/drivers/atm/solos-pci.c
@@ -70,6 +70,7 @@
 
 #define RX_DMA_SIZE     2048
 
+static int reset = 0;
 static int atmdebug = 0;
 static int firmware_upgrade = 0;
 static int fpga_upgrade = 0;
@@ -131,9 +132,11 @@ MODULE_AUTHOR("Traverse Technologies <support@traverse.com.au>");
 MODULE_DESCRIPTION("Solos PCI driver");
 MODULE_VERSION(VERSION);
 MODULE_LICENSE("GPL");
+MODULE_PARM_DESC(reset, "Reset Solos chips on startup");
 MODULE_PARM_DESC(atmdebug, "Print ATM data");
 MODULE_PARM_DESC(firmware_upgrade, "Initiate Solos firmware upgrade");
 MODULE_PARM_DESC(fpga_upgrade, "Initiate FPGA upgrade");
+module_param(reset, int, 0444);
 module_param(atmdebug, int, 0644);
 module_param(firmware_upgrade, int, 0444);
 module_param(fpga_upgrade, int, 0444);
@@ -1071,6 +1074,13 @@ static int fpga_probe(struct pci_dev *dev, const struct pci_device_id *id)
                 goto out_unmap_config;
         }
 
+        if (reset) {
+                iowrite32(1, card->config_regs + FPGA_MODE);
+                data32 = ioread32(card->config_regs + FPGA_MODE); 
+
+                iowrite32(0, card->config_regs + FPGA_MODE);
+                data32 = ioread32(card->config_regs + FPGA_MODE); 
+        }
         //Fill Config Mem with zeros
         for(i = 0; i < 128; i += 4)
                 iowrite32(0, card->config_regs + i);