diff mbox series

[v2,15/22] sd: emmc: Update CID structure for eMMC

Message ID 1613982039-13861-16-git-send-email-sai.pavan.boddu@xilinx.com (mailing list archive)
State New, archived
Headers show
Series eMMC support | expand

Commit Message

Sai Pavan Boddu Feb. 22, 2021, 8:20 a.m. UTC 
CID structure is little different for eMMC, w.r.t to product name and
manufacturing date.

Signed-off-by: Sai Pavan Boddu <sai.pavan.boddu@xilinx.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
---
 hw/sd/sd.c | 47 ++++++++++++++++++++++++++++++-----------------
 1 file changed, 30 insertions(+), 17 deletions(-)
diff mbox series

Patch

diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index 6d2ef2b..3c24810 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -361,23 +361,36 @@  static void sd_set_scr(SDState *sd)
 
 static void sd_set_cid(SDState *sd)
 {
-    sd->cid[0] = MID;       /* Fake card manufacturer ID (MID) */
-    sd->cid[1] = OID[0];    /* OEM/Application ID (OID) */
-    sd->cid[2] = OID[1];
-    sd->cid[3] = PNM[0];    /* Fake product name (PNM) */
-    sd->cid[4] = PNM[1];
-    sd->cid[5] = PNM[2];
-    sd->cid[6] = PNM[3];
-    sd->cid[7] = PNM[4];
-    sd->cid[8] = PRV;       /* Fake product revision (PRV) */
-    sd->cid[9] = 0xde;      /* Fake serial number (PSN) */
-    sd->cid[10] = 0xad;
-    sd->cid[11] = 0xbe;
-    sd->cid[12] = 0xef;
-    sd->cid[13] = 0x00 |    /* Manufacture date (MDT) */
-        ((MDT_YR - 2000) / 10);
-    sd->cid[14] = ((MDT_YR % 10) << 4) | MDT_MON;
-    sd->cid[15] = (sd_crc7(sd->cid, 15) << 1) | 1;
+    if (sd->emmc) {
+        sd->cid[0] = MID;
+        sd->cid[1] = 0x1;       /* CBX */
+        sd->cid[2] = OID[0];    /* OEM/Application ID (OID) */
+        sd->cid[8] = 0x0;
+        sd->cid[9] = PRV;        /* Fake product revision (PRV) */
+        sd->cid[10] = 0xde;      /* Fake serial number (PSN) */
+        sd->cid[11] = 0xad;
+        sd->cid[12] = 0xbe;
+        sd->cid[13] = 0xef;
+        sd->cid[14] = ((MDT_YR - 1997) % 0x10); /* MDT */
+    } else {
+        sd->cid[0] = MID;       /* Fake card manufacturer ID (MID) */
+        sd->cid[1] = OID[0];    /* OEM/Application ID (OID) */
+        sd->cid[2] = OID[1];
+        sd->cid[8] = PRV;       /* Fake product revision (PRV) */
+        sd->cid[9] = 0xde;      /* Fake serial number (PSN) */
+        sd->cid[10] = 0xad;
+        sd->cid[11] = 0xbe;
+        sd->cid[12] = 0xef;
+        sd->cid[13] = 0x00 |    /* Manufacture date (MDT) */
+            ((MDT_YR - 2000) / 10);
+        sd->cid[14] = ((MDT_YR % 10) << 4) | MDT_MON;
+   }
+   sd->cid[3] = PNM[0];    /* Fake product name (PNM) 48bit */
+   sd->cid[4] = PNM[1];
+   sd->cid[5] = PNM[2];
+   sd->cid[6] = PNM[3];
+   sd->cid[7] = PNM[4];
+   sd->cid[15] = (sd_crc7(sd->cid, 15) << 1) | 1;
 }
 
 #define HWBLOCK_SHIFT   9           /* 512 bytes */