Module Name: src
Committed By: msaitoh
Date: Sat Jan 29 08:17:04 UTC 2022
Modified Files:
src/sys/dev/ic: spdmem.c
Log Message:
Add code for DDR5 a little. I have no datasheet.
To generate a diff of this commit:
cvs rdiff -u -r1.36 -r1.37 src/sys/dev/ic/spdmem.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/ic/spdmem.c
diff -u src/sys/dev/ic/spdmem.c:1.36 src/sys/dev/ic/spdmem.c:1.37
--- src/sys/dev/ic/spdmem.c:1.36 Sat Jan 29 08:14:24 2022
+++ src/sys/dev/ic/spdmem.c Sat Jan 29 08:17:03 2022
@@ -1,4 +1,4 @@
-/* $NetBSD: spdmem.c,v 1.36 2022/01/29 08:14:24 msaitoh Exp $ */
+/* $NetBSD: spdmem.c,v 1.37 2022/01/29 08:17:03 msaitoh Exp $ */
/*
* Copyright (c) 2007 Nicolas Joly
@@ -35,7 +35,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: spdmem.c,v 1.36 2022/01/29 08:14:24 msaitoh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: spdmem.c,v 1.37 2022/01/29 08:17:03 msaitoh Exp $");
#include <sys/param.h>
#include <sys/device.h>
@@ -269,6 +269,14 @@ spdmem_common_probe(struct spdmem_softc
* it some other time.
*/
return 1;
+ } else if (spd_type == SPDMEM_MEMTYPE_DDR5SDRAM) {
+ /* XXX Need Datasheet. */
+ (sc->sc_read)(sc, 0, &val);
+ spd_len = val & 0x0f;
+ if ((unsigned int)spd_len >= __arraycount(spd_rom_sizes))
+ return 0;
+ aprint_verbose("DDR5 SPD ROM?\n");
+ return 0;
}
/* For unrecognized memory types, don't match at all */
