[src/trunk]: src/sys/arch/arm/omap Print am335x ID and fetures. Also add oma...

[kiyohara <kiyohara%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/8549f78dc8a5
branches:  trunk
changeset: 348114:8549f78dc8a5
user:      kiyohara <kiyohara%NetBSD.org@localhost>
date:      Tue Oct 04 16:03:39 2016 +0000

description:
Print am335x ID and fetures.  Also add omap_{chip,dev}id().

diffstat:

 sys/arch/arm/omap/omap2_reg.h    |  14 ++++++-
 sys/arch/arm/omap/sitara_cm.c    |  79 +++++++++++++++++++++++++++++++++++++--
 sys/arch/arm/omap/sitara_cmreg.h |   5 ++-
 3 files changed, 91 insertions(+), 7 deletions(-)

diffs (163 lines):

diff -r 20e4f690adc1 -r 8549f78dc8a5 sys/arch/arm/omap/omap2_reg.h
--- a/sys/arch/arm/omap/omap2_reg.h     Tue Oct 04 15:59:36 2016 +0000
+++ b/sys/arch/arm/omap/omap2_reg.h     Tue Oct 04 16:03:39 2016 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: omap2_reg.h,v 1.33 2016/07/11 14:51:11 kiyohara Exp $ */
+/* $NetBSD: omap2_reg.h,v 1.34 2016/10/04 16:03:39 kiyohara Exp $ */
 
 /*
  * Copyright (c) 2007 Microsoft
@@ -163,6 +163,18 @@
 #define DEVID_AMDM37X_ES11     0x1b89102f
 #define DEVID_AMDM37X_ES12     0x2b89102f
 
+#define CHIPID_AM3351          0x00fc0302
+#define CHIPID_AM3352          0x00fc0382
+#define CHIPID_AM3354          0x20fc0382
+#define CHIPID_AM3356          0x00fd0383
+#define CHIPID_AM3357          0x00ff0383
+#define CHIPID_AM3358          0x20fd0383
+#define CHIPID_AM3359          0x20ff0383
+
+#define DEVID_AM335X_SR_10     0x0b94402e
+#define DEVID_AM335X_SR_20     0x1b94402e
+#define DEVID_AM335X_SR_21     0x2b94402e
+
 /*
  * Clock Management registers base, offsets, and size
  */
diff -r 20e4f690adc1 -r 8549f78dc8a5 sys/arch/arm/omap/sitara_cm.c
--- a/sys/arch/arm/omap/sitara_cm.c     Tue Oct 04 15:59:36 2016 +0000
+++ b/sys/arch/arm/omap/sitara_cm.c     Tue Oct 04 16:03:39 2016 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: sitara_cm.c,v 1.2 2014/10/18 08:33:24 snj Exp $ */
+/* $NetBSD: sitara_cm.c,v 1.3 2016/10/04 16:03:39 kiyohara Exp $ */
 /*
  * Copyright (c) 2010
  *     Ben Gray <ben.r.gray%gmail.com@localhost>.
@@ -47,7 +47,7 @@
  *
  */
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sitara_cm.c,v 1.2 2014/10/18 08:33:24 snj Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sitara_cm.c,v 1.3 2016/10/04 16:03:39 kiyohara Exp $");
 
 #include "opt_omap.h"
 
@@ -60,13 +60,17 @@
 #include <sys/kernel.h>
 
 #include <arm/omap/omap2_obiovar.h>
+#include <arm/omap/omap2_reg.h>
 #include <arm/omap/sitara_cm.h>
 #include <arm/omap/sitara_cmreg.h>
 
 struct sitara_cm_softc {
-        device_t                sc_dev;
-       bus_space_tag_t         sc_iot;
-       bus_space_handle_t      sc_ioh;
+       device_t                sc_dev;
+       bus_space_tag_t         sc_iot;
+       bus_space_handle_t      sc_ioh;
+
+       uint32_t                sc_cid; /* Chip Identification */
+       uint32_t                sc_did; /* Device IDCODE */
 };
 
 
@@ -391,6 +395,15 @@
        struct sitara_cm_softc *sc = device_private(self);
        struct obio_attach_args *obio = opaque;
        uint32_t rev;
+       char cid, buf[256];
+       const char *did;
+       const char *fmt = "\177\020"
+           "b\0ICSS\0"
+           "b\1CPSW\0"
+           "b\7DCAN\0"
+           "f\16\1ICSS_FEA EtherCAT functionality\0=\0disabled\0=\1enabled\0"
+           "f\17\1ICSS_FEA TX_AUTO_SEQUENCE\0=\0disabled\0=\1enabled\0"
+           "b\29SGX\0";
 
        aprint_naive("\n");
 
@@ -412,4 +425,60 @@
                panic("sitara_cm_attach: read revision");
        aprint_normal(": control module, rev %d.%d\n",
            SCM_REVISION_MAJOR(rev), SCM_REVISION_MINOR(rev));
+
+       sitara_cm_reg_read_4(OMAP2SCM_DEVID, &sc->sc_did);
+       sitara_cm_reg_read_4(OMAP2SCM_DEV_FEATURE, &sc->sc_cid);
+       switch (sc->sc_cid) {
+       case CHIPID_AM3351:     cid = '1'; break;
+       case CHIPID_AM3352:     cid = '2'; break;
+       case CHIPID_AM3354:     cid = '4'; break;
+       case CHIPID_AM3356:     cid = '6'; break;
+       case CHIPID_AM3357:     cid = '7'; break;
+       case CHIPID_AM3358:     cid = '8'; break;
+       case CHIPID_AM3359:     cid = '9'; break;
+       default:
+               aprint_normal_dev(self, "unknwon ChipID found 0x%08x\n",
+                   sc->sc_cid);
+               cid = 'x';
+               break;
+       }
+       aprint_normal_dev(self, "AM335%c", cid);
+       switch (sc->sc_did) {
+       case DEVID_AM335X_SR_10:        did = "1.0"; break;
+       case DEVID_AM335X_SR_20:        did = "2.0"; break;
+       case DEVID_AM335X_SR_21:        did = "2.1"; break;
+       default:
+               aprint_normal_dev(self, "unknwon DeviceID found 0x%08x\n",
+                   sc->sc_did);
+               did = NULL;
+               break;
+       }
+       if (did != NULL)
+               aprint_normal(" Silicon Revision %s", did);
+       snprintb(buf, sizeof(buf), fmt, sc->sc_cid);
+       aprint_normal(": %s\n", buf);
 }
+
+uint32_t
+omap_chipid(void)
+{
+       struct sitara_cm_softc *sc;
+       device_t dev;
+
+       dev = device_find_by_xname("sitaracm0");
+       KASSERT(dev != NULL);
+       sc = device_private(dev);
+       return sc->sc_cid;
+}
+
+uint32_t
+omap_devid(void)
+{
+       struct sitara_cm_softc *sc;
+       device_t dev;
+
+       dev = device_find_by_xname("sitaracm0");
+       KASSERT(dev != NULL);
+       sc = device_private(dev);
+       return sc->sc_did;
+}
diff -r 20e4f690adc1 -r 8549f78dc8a5 sys/arch/arm/omap/sitara_cmreg.h
--- a/sys/arch/arm/omap/sitara_cmreg.h  Tue Oct 04 15:59:36 2016 +0000
+++ b/sys/arch/arm/omap/sitara_cmreg.h  Tue Oct 04 16:03:39 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: sitara_cmreg.h,v 1.2 2014/07/16 18:25:24 bouyer Exp $  */
+/*     $NetBSD: sitara_cmreg.h,v 1.3 2016/10/04 16:03:39 kiyohara Exp $        */
 
 /*
  * Copyright (c) 2013 Manuel Bouyer.  All rights reserved.
@@ -39,6 +39,9 @@
 #define SCM_REVISION_CUSTOM(x) (((x) & 0x000000c0) >>  6)
 #define SCM_REVISION_MINOR(x)  (((x) & 0x0000001f) >>  0)
 
+#define OMAP2SCM_DEVID         0x600
+#define OMAP2SCM_DEV_FEATURE   0x604
+
 #define OMAP2SCM_USB_CTL0      0x620
 #define OMAP2SCM_USB_CTL1      0x628
 #define OMAP2SCM_USB_CTLx_SESSIONEND   0x100000