mmi: export ram info

export ram info from props
Change-Id: Ib1a4eb961e7356fedc281f3c06ca3d3a8c361aaf
Signed-off-by: zhaoxp3 <zhaoxp3@motorola.com>
Reviewed-on: https://gerrit.mot.com/1259375
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Submit-Approved: Jira Key

diff --git a/drivers/soc/samsung/mmi-ram-info.c b/drivers/soc/samsung/mmi-ram-info.c
index bb37e70b0a585ce9aea72e19bc1893082d854e05..569e0cfa0a4efb17909a7c0f63e35cbf8ab8475f 100644 (file)
--- a/drivers/soc/samsung/mmi-ram-info.c
+++ b/drivers/soc/samsung/mmi-ram-info.c
@@ -113,6 +113,7 @@ static int __init init_mmi_ram_info(void)
 
        static struct kobject *ram_info_properties_kobj;
        uint32_t vid, tid;
+       int type = 0;
        const char *tname = "unknown";
        const char *vname = "unknown";
        static const char *vendors[] = {
@@ -138,6 +139,11 @@ static int __init init_mmi_ram_info(void)
                "N NVM",
                "Reserved"
        };
+       static const char *types_lpddr4[] = {
+               "LP4",
+               "LP4x",
+               "LP4x",
+       };
 
        smem_ddr_info =  NULL;
        n = of_find_node_by_path("/chosen/mmi,ram");
@@ -151,6 +157,8 @@ static int __init init_mmi_ram_info(void)
                        rc = of_property_read_u32(n,"mr7", &ddr_info.mr7);
                if (rc == 0 )
                        rc = of_property_read_u32(n,"mr8", &ddr_info.mr8);
+               if (rc == 0 )
+                       of_property_read_u32(n,"type",&type);
                of_node_put(n);
                if (rc == 0 )
                        smem_ddr_info = &ddr_info;
@@ -173,8 +181,13 @@ static int __init init_mmi_ram_info(void)
 
                /* identify type */
                tid = smem_ddr_info->mr8 & 0x03;
-               if (tid < (sizeof(types)/sizeof(types[0])))
-                       tname = types[tid];
+               if (type == 6 ) {
+                       if (tid < (sizeof(types_lpddr4)/sizeof(types_lpddr4[0])))
+                               tname = types_lpddr4[tid];
+               }else{
+                       if (tid < (sizeof(types)/sizeof(types[0])))
+                               tname = types[tid];
+               }
 
                snprintf(sysfsram_type_name, sizeof(sysfsram_type_name),
                        "%s", tname);