[PATCH 08/12] ARM: DRA7: Reuse the omap44xx_restart and fix the device instance

Rajendra Nayak rnayak at ti.com
Tue Jul 9 03:32:15 EDT 2013


The omap44xx_restart used on omap4 and omap5 devices can be reused
on dra7 devices as well. The device instance however is different
across omap5 and dra7 as compared to omap4. So fix this for omap5
as well as dra7.

Signed-off-by: Rajendra Nayak <rnayak at ti.com>
Signed-off-by: R Sricharan <r.sricharan at ti.com>
---
 arch/arm/mach-omap2/Makefile        |    1 +
 arch/arm/mach-omap2/board-generic.c |    1 +
 arch/arm/mach-omap2/prminst44xx.c   |   20 ++++++++++++++++----
 3 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index d0a9d15..137c9e4 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -63,6 +63,7 @@ obj-$(CONFIG_SOC_AM33XX)		+= am33xx-restart.o
 obj-$(CONFIG_ARCH_OMAP3)		+= omap3-restart.o
 obj-$(CONFIG_ARCH_OMAP4)		+= omap4-restart.o
 obj-$(CONFIG_SOC_OMAP5)			+= omap4-restart.o
+obj-$(CONFIG_SOC_DRA7XX)		+= omap4-restart.o
 
 # Pin multiplexing
 obj-$(CONFIG_SOC_OMAP2420)		+= mux2420.o
diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c
index 92f8dd3..55d3ee8 100644
--- a/arch/arm/mach-omap2/board-generic.c
+++ b/arch/arm/mach-omap2/board-generic.c
@@ -217,5 +217,6 @@ DT_MACHINE_START(DRA7XX_DT, "Generic DRA7XX (Flattened Device Tree)")
 	.init_machine	= omap_generic_init,
 	.init_time	= omap5_realtime_timer_init,
 	.dt_compat	= dra7xx_boards_compat,
+	.restart	= omap44xx_restart,
 MACHINE_END
 #endif
diff --git a/arch/arm/mach-omap2/prminst44xx.c b/arch/arm/mach-omap2/prminst44xx.c
index c12320c..6334b96 100644
--- a/arch/arm/mach-omap2/prminst44xx.c
+++ b/arch/arm/mach-omap2/prminst44xx.c
@@ -20,10 +20,13 @@
 #include "common.h"
 #include "prcm-common.h"
 #include "prm44xx.h"
+#include "prm54xx.h"
+#include "prm7xx.h"
 #include "prminst44xx.h"
 #include "prm-regbits-44xx.h"
 #include "prcm44xx.h"
 #include "prcm_mpu44xx.h"
+#include "soc.h"
 
 static void __iomem *_prm_bases[OMAP4_MAX_PRCM_PARTITIONS];
 
@@ -165,10 +168,19 @@ int omap4_prminst_deassert_hardreset(u8 shift, u8 part, s16 inst,
 void omap4_prminst_global_warm_sw_reset(void)
 {
 	u32 v;
-
-	v = omap4_prminst_read_inst_reg(OMAP4430_PRM_PARTITION,
-				    OMAP4430_PRM_DEVICE_INST,
-				    OMAP4_PRM_RSTCTRL_OFFSET);
+	s16 dev_inst;
+
+	if (cpu_is_omap44xx())
+		dev_inst = OMAP4430_PRM_DEVICE_INST;
+	else if (soc_is_omap54xx())
+		dev_inst = OMAP54XX_PRM_DEVICE_INST;
+	else if (soc_is_dra7xx())
+		dev_inst = DRA7XX_PRM_DEVICE_INST;
+	else
+		return;
+
+	v = omap4_prminst_read_inst_reg(OMAP4430_PRM_PARTITION, dev_inst,
+					OMAP4_PRM_RSTCTRL_OFFSET);
 	v |= OMAP4430_RST_GLOBAL_WARM_SW_MASK;
 	omap4_prminst_write_inst_reg(v, OMAP4430_PRM_PARTITION,
 				 OMAP4430_PRM_DEVICE_INST,
-- 
1.7.9.5




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