linux-ramdump-parser-v2: Add support to parse PMIC register dump.

Add support to parse PMIC register dump in debug image and
generate an XML file with PMIC registers information.

Change-Id: Ie0d85456711be48c8e8d5312e81712106868af4b

linux-ramdump-parser-v2/debug_image_v2.py

@@ -17,6 +17,7 @@ import os
 import platform
 import subprocess
 
+from pmic import PmicRegDump
 from print_out import print_out_str
 from qdss import QDSSDump
 from watchdog_v2 import TZRegDump_v2
@@ -51,6 +52,7 @@ client_table = {
     'MSM_DUMP_DATA_L2_CACHE': 'parse_l2_cache',
     'MSM_DUMP_DATA_L3_CACHE': 'parse_l3_cache',
     'MSM_DUMP_DATA_OCMEM': 'parse_ocmem',
+    'MSM_DUMP_DATA_PMIC': 'parse_pmic',
     'MSM_DUMP_DATA_TMC_ETF': 'parse_qdss_common',
     'MSM_DUMP_DATA_TMC_REG': 'parse_qdss_common',
     'MSM_DUMP_DATA_L2_TLB': 'parse_l2_tlb',
@@ -82,6 +84,19 @@ class DebugImage_v2():
         regs.dump_core_pc(ram_dump)
         regs.dump_all_regs(ram_dump)
 
+    def parse_pmic(self, version, start, end, client_id, ram_dump):
+        client_name = self.dump_data_id_lookup_table[client_id]
+
+        print_out_str(
+            'Parsing {0} context start {1:x} end {2:x}'.format(client_name, start, end))
+
+        regs = PmicRegDump(start, end)
+        if regs.parse_all_regs(ram_dump) is False:
+            print_out_str('!!! Could not get registers from PMIC dump')
+            return
+
+        regs.dump_all_regs(ram_dump)
+
     def parse_qdss_common(self, version, start, end, client_id, ram_dump):
         client_name = self.dump_data_id_lookup_table[client_id]
 

linux-ramdump-parser-v2/pmic.py

+# Copyright (c) 2014, The Linux Foundation. All rights reserved.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 and
+# only version 2 as published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+from datetime import datetime
+from print_out import print_out_str
+from ramparse import VERSION
+from time import strftime
+
+class PmicRegData():
+    def __init__(self, regoffs, val):
+        self.regoffs = regoffs
+        self.val = val
+
+class PmicRegDump():
+
+    def __init__(self, start, end):
+        self.start_addr = start
+        self.end_addr = end
+        self.num_entries = 0
+        self.pmic_list = {}
+
+    def parse_all_regs(self, ram_dump):
+
+        if (self.start_addr + 4) > self.end_addr:
+            return False
+
+        # Read number of entries
+        self.num_entries = ram_dump.read_u32(self.start_addr, False)
+        self.start_addr += 4
+
+        print_out_str('Dumping {0} PMIC registers'.format(self.num_entries))
+
+        for i in range(0, self.num_entries):
+
+            if (self.start_addr + 12) > self.end_addr:
+                return False
+
+            # Read slave ID
+            slaveid = ram_dump.read_u32(self.start_addr, False)
+            self.start_addr += 4;
+
+            # Read register offset
+            regoffs = 0xFFFF & (ram_dump.read_u32(self.start_addr, False))
+            self.start_addr += 4;
+
+            # Read register value
+            val = ram_dump.read_u32(self.start_addr, False)
+            self.start_addr += 4;
+
+            if slaveid > 0xf:
+                print_out_str("Maximum value of slave id is 0xF but found {0:x}. Aborting PMIC dump!".format(slaveid))
+                return False;
+
+            pmic_num = slaveid/2;
+
+            if pmic_num not in self.pmic_list:
+                pmic_reg_list = []
+                self.pmic_list[pmic_num] = pmic_reg_list
+            else:
+                pmic_reg_list = self.pmic_list[pmic_num]
+
+            # For odd slave id prepend 0x10000 to offset
+            if slaveid % 2 != 0:
+                regoffs |= 0x10000
+
+            regData = PmicRegData(regoffs, val)
+            pmic_reg_list.append(regData)
+
+        return True
+
+    def dump_all_regs(self, ram_dump):
+        outfile = ram_dump.open_file('pmicdump.xml')
+        outfile.write('<pmicDump version=\'1\'>\n')
+        outfile.write('\t<timestamp>{0}</timestamp>\n'.format(datetime.now().strftime('%d. %b %Y, %H:%M:%S')))
+        outfile.write('\t<generator>Linux Ram Dump Parser Version {0}</generator>\n'.format(VERSION))
+        outfile.write('\t<target name=\'{0}\'>\n'.format(ram_dump.hw_id))
+        for  pmic in self.pmic_list.iterkeys():
+            dump_pmic_reg_list = self.pmic_list[pmic]
+
+            if not dump_pmic_reg_list:
+                continue
+
+            outfile.write('\t\t<pmic>\n')
+            outfile.write('\t\t\t<bus type=\'spmi\' slaveid0=\'{0}\' slaveid1=\'{1}\'/>\n'.format(pmic, (pmic+1)))
+            for reg_data in dump_pmic_reg_list:
+                outfile.write('\t\t\t<register address=\'0x{0:x}\' value=\'0x{1:x}\'/>\n'.format(reg_data.regoffs, reg_data.val))
+            outfile.write('\t\t</pmic>\n')
+        outfile.write('\t</target>\n')
+        outfile.write('</pmicDump>\n')
+        outfile.close()