summaryrefslogtreecommitdiff
path: root/arch/arm/mach-omap2/id.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-omap2/id.c')
-rw-r--r--arch/arm/mach-omap2/id.c52
1 files changed, 49 insertions, 3 deletions
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index d28e6fe..d7ac8d5 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -28,6 +28,7 @@
static struct omap_chip_id omap_chip;
static unsigned int omap_revision;
+u32 omap3_features;
unsigned int omap_rev(void)
{
@@ -155,7 +156,33 @@ void __init omap24xx_check_revision(void)
pr_info("\n");
}
-void __init omap34xx_check_revision(void)
+#define OMAP3_CHECK_FEATURE(status,feat) \
+ if (((status & OMAP3_ ##feat## _MASK) \
+ >> OMAP3_ ##feat## _SHIFT) != FEAT_ ##feat## _NONE) { \
+ omap3_features |= OMAP3_HAS_ ##feat; \
+ }
+
+void __init omap3_check_features(void)
+{
+ u32 status;
+
+ omap3_features = 0;
+
+ status = omap_ctrl_readl(OMAP3_CONTROL_OMAP_STATUS);
+
+ OMAP3_CHECK_FEATURE(status, L2CACHE);
+ OMAP3_CHECK_FEATURE(status, IVA);
+ OMAP3_CHECK_FEATURE(status, SGX);
+ OMAP3_CHECK_FEATURE(status, NEON);
+ OMAP3_CHECK_FEATURE(status, ISP);
+
+ /*
+ * TODO: Get additional info (where applicable)
+ * e.g. Size of L2 cache.
+ */
+}
+
+void __init omap3_check_revision(void)
{
u32 cpuid, idcode;
u16 hawkeye;
@@ -212,6 +239,22 @@ out:
pr_info("OMAP%04x %s\n", omap_rev() >> 16, rev_name);
}
+#define OMAP3_SHOW_FEATURE(feat) \
+ if (omap3_has_ ##feat()) { \
+ pr_info (" - "#feat" : Y"); \
+ } else { \
+ pr_info (" - "#feat" : N"); \
+ }
+
+void __init omap3_cpuinfo(void)
+{
+ OMAP3_SHOW_FEATURE(l2cache);
+ OMAP3_SHOW_FEATURE(iva);
+ OMAP3_SHOW_FEATURE(sgx);
+ OMAP3_SHOW_FEATURE(neon);
+ OMAP3_SHOW_FEATURE(isp);
+}
+
/*
* Try to detect the exact revision of the omap we're running on
*/
@@ -223,8 +266,11 @@ void __init omap2_check_revision(void)
*/
if (cpu_is_omap24xx())
omap24xx_check_revision();
- else if (cpu_is_omap34xx())
- omap34xx_check_revision();
+ else if (cpu_is_omap34xx()) {
+ omap3_check_features();
+ omap3_check_revision();
+ omap3_cpuinfo();
+ }
else if (cpu_is_omap44xx()) {
printk(KERN_INFO "FIXME: CPU revision = OMAP4430\n");
return;