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authorTony Lindgren <tony@atomide.com>2015-01-15 04:37:15 +0300
committerTony Lindgren <tony@atomide.com>2015-01-15 04:37:15 +0300
commite226ebe95e7afb79ff24c53f9984b8acad13cc81 (patch)
treec197851102d69a17965ae7eddb6699fdbf3d8a63 /arch/arm
parent339d095ab23cf5de223c9633ee4d3ec1794282af (diff)
downloadlinux-e226ebe95e7afb79ff24c53f9984b8acad13cc81.tar.xz
ARM: OMAP2+: Fix ti81xx devtype
Otherwise we get error "Cannot detect omap type!" and many things can fail with following: Unhandled fault: imprecise external abort (0xc06) at 0xc6031fb0 This is because the omap_type is being used to set up th SoC specific functions for omaps. Cc: Brian Hutchinson <b.hutchman@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-omap2/control.h4
-rw-r--r--arch/arm/mach-omap2/id.c2
2 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/control.h b/arch/arm/mach-omap2/control.h
index a3c013345c45..0fba6d1130a9 100644
--- a/arch/arm/mach-omap2/control.h
+++ b/arch/arm/mach-omap2/control.h
@@ -53,6 +53,7 @@
#define OMAP343X_CONTROL_GENERAL_WKUP 0xa60
/* TI81XX spefic control submodules */
+#define TI81XX_CONTROL_DEVBOOT 0x040
#define TI81XX_CONTROL_DEVCONF 0x600
/* Control register offsets - read/write with omap_ctrl_{read,write}{bwl}() */
@@ -246,6 +247,9 @@
#define OMAP3_PADCONF_SAD2D_MSTANDBY 0x250
#define OMAP3_PADCONF_SAD2D_IDLEACK 0x254
+/* TI81XX CONTROL_DEVBOOT register offsets */
+#define TI81XX_CONTROL_STATUS (TI81XX_CONTROL_DEVBOOT + 0x000)
+
/* TI81XX CONTROL_DEVCONF register offsets */
#define TI81XX_CONTROL_DEVICE_ID (TI81XX_CONTROL_DEVCONF + 0x000)
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index c25feba05818..2a2f4d56e4c8 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -56,6 +56,8 @@ int omap_type(void)
if (cpu_is_omap24xx()) {
val = omap_ctrl_readl(OMAP24XX_CONTROL_STATUS);
+ } else if (cpu_is_ti81xx()) {
+ val = omap_ctrl_readl(TI81XX_CONTROL_STATUS);
} else if (soc_is_am33xx() || soc_is_am43xx()) {
val = omap_ctrl_readl(AM33XX_CONTROL_STATUS);
} else if (cpu_is_omap34xx()) {