re-testing

.gitignore

@@ -16,3 +16,4 @@ x393.prj
 bitbake-logs                                                                                                                                               
 sysroots  
 attic/*
+image

includes/ahci_defaults.vh

@@ -2,6 +2,6 @@
 , .INIT_08 (256'h000000000024000600000000000000000000000080000C000000000080000800)
 , .INIT_09 (256'h000000000000000000000000000000000000000000000000FFFFFFFF00000000)
 , .INIT_0B (256'h0000000000000000000000000000003300000000000000000000000000000000)
-, .INIT_0C (256'h000000000000000000000000000000000000000001010004001000000001FFFE)
+, .INIT_0C (256'h00000000000000000000000000000000000000000101000A001000000001FFFE)
 , .INIT_0D (256'h000001000000000000000040000000000001FFFE000000008000000000000000)
 , .INIT_0E (256'h0000000000000000000000000000000000000000000000000000000040000001)

includes/ahci_localparams.vh

@@ -97,7 +97,7 @@
 // RO: HBA Revision ID
     localparam PCI_Header__RID__RID__ADDR = 'h62;
     localparam PCI_Header__RID__RID__MASK = 'hff;
-    localparam PCI_Header__RID__RID__DFLT = 'h4;
+    localparam PCI_Header__RID__RID__DFLT = 'ha;
 // RO: Base Class Code: 1 - Mass Storage Device
     localparam PCI_Header__CC__BCC__ADDR = 'h62;
     localparam PCI_Header__CC__BCC__MASK = 'hff000000;

py393sata/create_ahci_registers.py

@@ -28,7 +28,7 @@ __status__ = "Development"
 
 # All unspecified ranges/fields default to fT:RO, fC:0 (readonly, reset value = 0)
 #RID = 0x02   # Revision ID (use for bitstream version)
-RID = 0x04   # Revision ID
+RID = 0x0a  # Revision ID
 VID = 0xfffe # What to use for non-PCI "vendorID"?
 DID = 0x0001
 SSVID = 0xfffe

py393sata/x393sata.py

@@ -1521,6 +1521,8 @@ mem = x393_mem.X393Mem(1,0,1)
 sata = x393sata.x393sata()
 hex(mem.read_mem(sata.get_reg_address('PCI_Header__RID')))
 
+sata.setup_pio_read_identify_command()
+
 sata.dd_read_dma_ext(142615470, 512, 512)
 sata.dd_read_dma_ext(142615472, 512, 512)    
 
@@ -1529,10 +1531,16 @@ hex(((mem.read_mem(0x80000ffc) >> 10) & 0xffc) + 0x80001000)
 
 Datascope has a ring buffer of 4K: 0x80001000..0x80001fff
 
-mem.read_mem(0x80000118)
-mem.write_mem(0x80000118,0x10)
+mem.write_mem(0x80000118,0x10) # stop
+
+dd if=/dev/sdj count=1 skip=142615470 of=/dev/null
     
+s=set()
+for i in range(10000):
+    s.add(mem.read_mem (0x80000ffc) & 0x1ff)
 
+s
+hex(mem.read_mem (0x80000ffc))    
     
 def get_MAC():
     with open("/sys/class/net/eth0/address") as sysfile:

tb/tb_ahci.tf

@@ -38,7 +38,7 @@
 `define PRELOAD_BRAMS
 `define CHECKERS_ENABLED
 `define use200Mhz 1
-`define SEND_READ_ERROR
+//`define SEND_READ_ERROR
 /*
  * using x393_testbench01.tf style, contains a lot of copy-pasted code from there
  */

tb_ahci_01.sav

 [*]
 [*] GTKWave Analyzer v3.3.66 (w)1999-2015 BSI
-[*] Thu Dec  8 01:26:17 2016
+[*] Thu Dec  8 02:35:40 2016
 [*]
-[dumpfile] "/home/eyesis/git/elphel393/fpga-elphel/x393_sata/simulation/tb_ahci-20161207180004761.fst"
-[dumpfile_mtime] "Thu Dec  8 01:00:23 2016"
-[dumpfile_size] 4762337
+[dumpfile] "/home/eyesis/git/elphel393/fpga-elphel/x393_sata/simulation/tb_ahci-20161207182625587.fst"
+[dumpfile_mtime] "Thu Dec  8 01:26:45 2016"
+[dumpfile_size] 4764125
 [savefile] "/home/eyesis/git/elphel393/fpga-elphel/x393_sata/tb_ahci_01.sav"
-[timestart] 33243400
+[timestart] 0
 [size] 1814 1171
 [pos] 1920 0
-*-15.591494 33388300 32882854 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
+*-22.591494 33796096 32882854 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
 [treeopen] tb_ahci.
 [treeopen] tb_ahci.axi_read_addr.
 [treeopen] tb_ahci.dev.
@@ -1872,9 +1872,9 @@ tb_ahci.dut.sata_top.ahci_top_i.ahci_fsm_i.tfd_sts[7:0]
 tb_ahci.dut.sata_top.ahci_top_i.ahci_fsm_i.fis_first_vld
 @22
 tb_ahci.dut.sata_top.ahci_top_i.ahci_fsm_i.ssts_det[3:0]
-@800200
+@c00201
 -tmp
-@29
+@28
 [color] 7
 tb_ahci.dut.sata_top.ahci_top_i.ahci_fsm_i.dis_actions
 @8028
@@ -1894,7 +1894,7 @@ tb_ahci.dut.sata_top.ahci_top_i.ahci_fsm_i.fsm_act_done
 tb_ahci.dut.sata_top.ahci_top_i.ahci_fsm_i.was_last_action_r
 @200
 -
-@1000200
+@1401201
 -tmp
 @28
 [color] 3