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authorTony Lindgren <tony@atomide.com>2020-05-07 09:59:31 -0700
committerTony Lindgren <tony@atomide.com>2020-05-19 09:38:03 -0700
commit4bba9bf08ff41d78b91581937d97664638bd6bb8 (patch)
tree0e879d1c596d2f00dac0b74c0622a1e460cea7e4 /drivers
parent16aed29d7c01a261b6061da43b5c83908b356688 (diff)
bus: ti-sysc: Ignore timer12 on secure omap3
Some early omap3 boards use timer12 for system timer, but for secure SoCs like on n900 it's not accessible. Likely we will be configuring unavailable devices for other SoCs too based on runtime SoC detection, so let's use a switch to start with. Cc: Grygorii Strashko <grygorii.strashko@ti.com> Cc: Keerthy <j-keerthy@ti.com> Cc: Lokesh Vutla <lokeshvutla@ti.com> Cc: Rob Herring <robh@kernel.org> Cc: Tero Kristo <t-kristo@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/bus/ti-sysc.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c
index e5f5f48d69d2..a81a9f10fde7 100644
--- a/drivers/bus/ti-sysc.c
+++ b/drivers/bus/ti-sysc.c
@@ -2744,6 +2744,17 @@ static int sysc_init_soc(struct sysc *ddata)
if (match && match->data)
sysc_soc->soc = (int)match->data;
+ /* Ignore devices that are not available on HS and EMU SoCs */
+ if (!sysc_soc->general_purpose) {
+ switch (sysc_soc->soc) {
+ case SOC_3430 ... SOC_3630:
+ sysc_add_disabled(0x48304000); /* timer12 */
+ break;
+ default:
+ break;
+ };
+ }
+
match = soc_device_match(sysc_soc_feat_match);
if (!match)
return 0;