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[v2,2/8] ARM: dra762: Add support for device identification

Message ID 20170812040605.21259-3-lokeshvutla@ti.com (mailing list archive)
State New, archived
Headers show

Commit Message

Lokesh Vutla Aug. 12, 2017, 4:05 a.m. UTC 
Add ID code detection for dra762 SoC.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
---
 arch/arm/mach-omap2/id.c  | 9 +++++++++
 arch/arm/mach-omap2/soc.h | 5 +++++
 2 files changed, 14 insertions(+)
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Patch

diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index e2274a162b74..16cb1c195fd8 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -663,6 +663,15 @@  void __init dra7xxx_check_revision(void)
 	hawkeye = (idcode >> 12) & 0xffff;
 	rev = (idcode >> 28) & 0xff;
 	switch (hawkeye) {
+	case 0xbb50:
+		switch (rev) {
+		case 0:
+		default:
+			omap_revision = DRA762_REV_ES1_0;
+			break;
+		}
+		break;
+
 	case 0xb990:
 		switch (rev) {
 		case 0:
diff --git a/arch/arm/mach-omap2/soc.h b/arch/arm/mach-omap2/soc.h
index 2aa01c270898..754cd0fc0e7b 100644
--- a/arch/arm/mach-omap2/soc.h
+++ b/arch/arm/mach-omap2/soc.h
@@ -167,6 +167,7 @@  IS_TI_SUBCLASS(816x, 0x816)
 IS_TI_SUBCLASS(814x, 0x814)
 IS_AM_SUBCLASS(335x, 0x335)
 IS_AM_SUBCLASS(437x, 0x437)
+IS_DRA_SUBCLASS(76x, 0x76)
 IS_DRA_SUBCLASS(75x, 0x75)
 IS_DRA_SUBCLASS(72x, 0x72)
 
@@ -185,6 +186,7 @@  IS_DRA_SUBCLASS(72x, 0x72)
 #define soc_is_omap54xx()		0
 #define soc_is_omap543x()		0
 #define soc_is_dra7xx()			0
+#define soc_is_dra76x()			0
 #define soc_is_dra74x()			0
 #define soc_is_dra72x()			0
 
@@ -314,9 +316,11 @@  IS_OMAP_TYPE(3430, 0x3430)
 
 #if defined(CONFIG_SOC_DRA7XX)
 #undef soc_is_dra7xx
+#undef soc_is_dra76x
 #undef soc_is_dra74x
 #undef soc_is_dra72x
 #define soc_is_dra7xx()	is_dra7xx()
+#define soc_is_dra76x()	is_dra76x()
 #define soc_is_dra74x()	is_dra75x()
 #define soc_is_dra72x()	is_dra72x()
 #endif
@@ -386,6 +390,7 @@  IS_OMAP_TYPE(3430, 0x3430)
 #define OMAP5432_REV_ES2_0	(OMAP54XX_CLASS | (0x32 << 16) | (0x20 << 8))
 
 #define DRA7XX_CLASS		0x07000000
+#define DRA762_REV_ES1_0	(DRA7XX_CLASS | (0x62 << 16) | (0x10 << 8))
 #define DRA752_REV_ES1_0	(DRA7XX_CLASS | (0x52 << 16) | (0x10 << 8))
 #define DRA752_REV_ES1_1	(DRA7XX_CLASS | (0x52 << 16) | (0x11 << 8))
 #define DRA752_REV_ES2_0	(DRA7XX_CLASS | (0x52 << 16) | (0x20 << 8))