10 files changed, 79 insertions, 8 deletions

diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 56021c67c89c..b5fb5f7992df 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -117,7 +117,7 @@ config ARCH_OMAP2PLUS_TYPICAL
         select I2C
         select I2C_OMAP
         select MENELAUS if ARCH_OMAP2
-        select NEON if ARCH_OMAP3 || ARCH_OMAP4 || SOC_OMAP5
+        select NEON if CPU_V7
         select PM_RUNTIME
         select REGULATOR
         select TWL4030_CORE if ARCH_OMAP3 || ARCH_OMAP4
@@ -131,9 +131,17 @@ config SOC_HAS_OMAP2_SDRC
 
 config SOC_HAS_REALTIME_COUNTER
         bool "Real time free running counter"
-        depends on SOC_OMAP5
+        depends on SOC_OMAP5 || SOC_DRA7XX
         default y
 
+config SOC_DRA7XX
+        bool "TI DRA7XX"
+        select ARM_ARCH_TIMER
+        select CPU_V7
+        select ARM_GIC
+        select HAVE_SMP
+        select COMMON_CLK
+
 comment "OMAP Core Type"
         depends on ARCH_OMAP2
 
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index d4f671547c37..cc36bfe104fe 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -23,6 +23,7 @@ obj-$(CONFIG_ARCH_OMAP4) += prm44xx.o $(hwmod-common) $(secure-common)
 obj-$(CONFIG_SOC_AM33XX) += irq.o $(hwmod-common)
 obj-$(CONFIG_SOC_OMAP5)  += prm44xx.o $(hwmod-common) $(secure-common)
 obj-$(CONFIG_SOC_AM43XX) += $(hwmod-common) $(secure-common)
+obj-$(CONFIG_SOC_DRA7XX) += prm44xx.o $(hwmod-common) $(secure-common)
 
 ifneq ($(CONFIG_SND_OMAP_SOC_MCBSP),)
 obj-y += mcbsp.o
@@ -39,6 +40,7 @@ omap-4-5-common				=  omap4-common.o omap-wakeupgen.o
 obj-$(CONFIG_ARCH_OMAP4)                += $(omap-4-5-common) $(smp-y) sleep44xx.o
 obj-$(CONFIG_SOC_OMAP5)                 += $(omap-4-5-common) $(smp-y) sleep44xx.o
 obj-$(CONFIG_SOC_AM43XX)                += $(omap-4-5-common)
+obj-$(CONFIG_SOC_DRA7XX)                += $(omap-4-5-common) $(smp-y)
 
 plus_sec := $(call as-instr,.arch_extension sec,+sec)
 AFLAGS_omap-headsmp.o                   :=-Wa,-march=armv7-a$(plus_sec)
@@ -87,6 +89,7 @@ obj-$(CONFIG_ARCH_OMAP2)		+= sleep24xx.o
 obj-$(CONFIG_ARCH_OMAP3)                += pm34xx.o sleep34xx.o
 obj-$(CONFIG_ARCH_OMAP4)                += pm44xx.o omap-mpuss-lowpower.o
 obj-$(CONFIG_SOC_OMAP5)                 += omap-mpuss-lowpower.o
+obj-$(CONFIG_SOC_DRA7XX)                += omap-mpuss-lowpower.o
 obj-$(CONFIG_PM_DEBUG)                  += pm-debug.o
 
 obj-$(CONFIG_POWER_AVS_OMAP)            += sr_device.o
@@ -114,6 +117,7 @@ omap-prcm-4-5-common			=  cminst44xx.o cm44xx.o prm44xx.o \
                                            vc44xx_data.o vp44xx_data.o
 obj-$(CONFIG_ARCH_OMAP4)                += $(omap-prcm-4-5-common)
 obj-$(CONFIG_SOC_OMAP5)                 += $(omap-prcm-4-5-common)
+obj-$(CONFIG_SOC_DRA7XX)                += $(omap-prcm-4-5-common)
 
 # OMAP voltage domains
 voltagedomain-common                    := voltage.o vc.o vp.o
@@ -143,6 +147,7 @@ obj-$(CONFIG_SOC_AM33XX)		+= powerdomains33xx_data.o
 obj-$(CONFIG_SOC_AM43XX)                += $(powerdomain-common)
 obj-$(CONFIG_SOC_OMAP5)                 += $(powerdomain-common)
 obj-$(CONFIG_SOC_OMAP5)                 += powerdomains54xx_data.o
+obj-$(CONFIG_SOC_DRA7XX)                += $(powerdomain-common)
 
 # PRCM clockdomain control
 clockdomain-common                      += clockdomain.o
@@ -160,6 +165,7 @@ obj-$(CONFIG_SOC_AM33XX)		+= clockdomains33xx_data.o
 obj-$(CONFIG_SOC_AM43XX)                += $(clockdomain-common)
 obj-$(CONFIG_SOC_OMAP5)                 += $(clockdomain-common)
 obj-$(CONFIG_SOC_OMAP5)                 += clockdomains54xx_data.o
+obj-$(CONFIG_SOC_DRA7XX)                += $(clockdomain-common)
 
 # Clock framework
 obj-$(CONFIG_ARCH_OMAP2)                += $(clock-common) clock2xxx.o
diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c
index be5d005ebad2..b89e55ba2c13 100644
--- a/arch/arm/mach-omap2/board-generic.c
+++ b/arch/arm/mach-omap2/board-generic.c
@@ -222,3 +222,21 @@ DT_MACHINE_START(AM43_DT, "Generic AM43 (Flattened Device Tree)")
         .dt_compat      = am43_boards_compat,
 MACHINE_END
 #endif
+
+#ifdef CONFIG_SOC_DRA7XX
+static const char *dra7xx_boards_compat[] __initdata = {
+        "ti,dra7",
+        NULL,
+};
+
+DT_MACHINE_START(DRA7XX_DT, "Generic DRA7XX (Flattened Device Tree)")
+        .reserve        = omap_reserve,
+        .smp            = smp_ops(omap4_smp_ops),
+        .map_io         = omap5_map_io,
+        .init_early     = dra7xx_init_early,
+        .init_irq       = omap_gic_of_init,
+        .init_machine   = omap_generic_init,
+        .init_time      = omap5_realtime_timer_init,
+        .dt_compat      = dra7xx_boards_compat,
+MACHINE_END
+#endif
diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h
index dfcc182ecff9..4a5684b96492 100644
--- a/arch/arm/mach-omap2/common.h
+++ b/arch/arm/mach-omap2/common.h
@@ -110,6 +110,7 @@ void omap3630_init_late(void);
 void am35xx_init_late(void);
 void ti81xx_init_late(void);
 int omap2_common_pm_late_init(void);
+void dra7xx_init_early(void);
 
 #ifdef CONFIG_SOC_BUS
 void omap_soc_device_init(void);
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index 2dc62a25f2c3..0289adcb6efb 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -61,7 +61,7 @@ int omap_type(void)
                 val = omap_ctrl_readl(OMAP343X_CONTROL_STATUS);
         } else if (cpu_is_omap44xx()) {
                 val = omap_ctrl_readl(OMAP4_CTRL_MODULE_CORE_STATUS);
-        } else if (soc_is_omap54xx()) {
+        } else if (soc_is_omap54xx() || soc_is_dra7xx()) {
                 val = omap_ctrl_readl(OMAP5XXX_CONTROL_STATUS);
                 val &= OMAP5_DEVICETYPE_MASK;
                 val >>= 6;
@@ -116,7 +116,7 @@ static u16 tap_prod_id;
 
 void omap_get_die_id(struct omap_die_id *odi)
 {
-        if (cpu_is_omap44xx() || soc_is_omap54xx()) {
+        if (cpu_is_omap44xx() || soc_is_omap54xx() || soc_is_dra7xx()) {
                 odi->id_0 = read_tap_reg(OMAP_TAP_DIE_ID_44XX_0);
                 odi->id_1 = read_tap_reg(OMAP_TAP_DIE_ID_44XX_1);
                 odi->id_2 = read_tap_reg(OMAP_TAP_DIE_ID_44XX_2);
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 4a3f06f02859..3656b8009a1c 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -251,7 +251,7 @@ static struct map_desc omap44xx_io_desc[] __initdata = {
 };
 #endif
 
-#ifdef  CONFIG_SOC_OMAP5
+#if defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX)
 static struct map_desc omap54xx_io_desc[] __initdata = {
         {
                 .virtual        = L3_54XX_VIRT,
@@ -333,7 +333,7 @@ void __init omap4_map_io(void)
 }
 #endif
 
-#ifdef CONFIG_SOC_OMAP5
+#if defined(CONFIG_SOC_OMAP5) ||  defined(CONFIG_SOC_DRA7XX)
 void __init omap5_map_io(void)
 {
         iotable_init(omap54xx_io_desc, ARRAY_SIZE(omap54xx_io_desc));
@@ -653,6 +653,22 @@ void __init omap5_init_early(void)
 }
 #endif
 
+#ifdef CONFIG_SOC_DRA7XX
+void __init dra7xx_init_early(void)
+{
+        omap2_set_globals_tap(-1, OMAP2_L4_IO_ADDRESS(DRA7XX_TAP_BASE));
+        omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE),
+                                  OMAP2_L4_IO_ADDRESS(DRA7XX_CTRL_BASE));
+        omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRM_BASE));
+        omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(DRA7XX_CM_CORE_AON_BASE),
+                             OMAP2_L4_IO_ADDRESS(OMAP54XX_CM_CORE_BASE));
+        omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE));
+        omap_prm_base_init();
+        omap_cm_base_init();
+}
+#endif
+
+
 void __init omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0,
                                       struct omap_sdrc_params *sdrc_cs1)
 {
diff --git a/arch/arm/mach-omap2/omap54xx.h b/arch/arm/mach-omap2/omap54xx.h
index a086ba15868b..2d35c5709408 100644
--- a/arch/arm/mach-omap2/omap54xx.h
+++ b/arch/arm/mach-omap2/omap54xx.h
@@ -30,4 +30,8 @@
 #define OMAP54XX_CTRL_BASE              0x4a002800
 #define OMAP54XX_SAR_RAM_BASE           0x4ae26000
 
+#define DRA7XX_CM_CORE_AON_BASE         0x4a005000
+#define DRA7XX_CTRL_BASE                0x4a003400
+#define DRA7XX_TAP_BASE                 0x4ae0c000
+
 #endif /* __ASM_SOC_OMAP555554XX_H */
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 7f4db12b1459..b4ecd2c7db8e 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -4113,7 +4113,7 @@ void __init omap_hwmod_init(void)
                 soc_ops.assert_hardreset = _omap2_assert_hardreset;
                 soc_ops.deassert_hardreset = _omap2_deassert_hardreset;
                 soc_ops.is_hardreset_asserted = _omap2_is_hardreset_asserted;
-        } else if (cpu_is_omap44xx() || soc_is_omap54xx()) {
+        } else if (cpu_is_omap44xx() || soc_is_omap54xx() || soc_is_dra7xx()) {
                 soc_ops.enable_module = _omap4_enable_module;
                 soc_ops.disable_module = _omap4_disable_module;
                 soc_ops.wait_target_ready = _omap4_wait_target_ready;
diff --git a/arch/arm/mach-omap2/soc.h b/arch/arm/mach-omap2/soc.h
index 8c616e436bc7..4588df1447ed 100644
--- a/arch/arm/mach-omap2/soc.h
+++ b/arch/arm/mach-omap2/soc.h
@@ -8,6 +8,7 @@
  * Written by Tony Lindgren <tony.lindgren@nokia.com>
  *
  * Added OMAP4/5 specific defines - Santosh Shilimkar<santosh.shilimkar@ti.com>
+ * Added DRA7xxx specific defines - Sricharan R<r.sricharan@ti.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -35,6 +36,7 @@
 #ifndef __ASSEMBLY__
 
 #include <linux/bitops.h>
+#include <linux/of.h>
 
 /*
  * Test if multicore OMAP support is needed
@@ -105,6 +107,15 @@
 # endif
 #endif
 
+#ifdef CONFIG_SOC_DRA7XX
+# ifdef OMAP_NAME
+#  undef MULTI_OMAP2
+#  define MULTI_OMAP2
+# else
+#  define OMAP_NAME DRA7XX
+# endif
+#endif
+
 /*
  * Omap device type i.e. EMU/HS/TST/GP/BAD
  */
@@ -233,6 +244,7 @@ IS_AM_SUBCLASS(437x, 0x437)
 #define cpu_is_omap447x()               0
 #define soc_is_omap54xx()               0
 #define soc_is_omap543x()               0
+#define soc_is_dra7xx()                 0
 
 #if defined(MULTI_OMAP2)
 # if defined(CONFIG_ARCH_OMAP2)
@@ -379,6 +391,11 @@ IS_OMAP_TYPE(3430, 0x3430)
 # define soc_is_omap543x()              is_omap543x()
 #endif
 
+#if defined(CONFIG_SOC_DRA7XX)
+#undef soc_is_dra7xx
+#define soc_is_dra7xx() (of_machine_is_compatible("ti,dra7"))
+#endif
+
 /* Various silicon revisions for omap2 */
 #define OMAP242X_CLASS          0x24200024
 #define OMAP2420_REV_ES1_0      OMAP242X_CLASS
diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
index 801287ee4d98..fa74a0625da1 100644
--- a/arch/arm/mach-omap2/timer.c
+++ b/arch/arm/mach-omap2/timer.c
@@ -594,7 +594,8 @@ OMAP_SYS_GP_TIMER_INIT(3, 2, "timer_sys_ck", NULL,
                        1, "timer_sys_ck", "ti,timer-alwon");
 #endif
 
-#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
+#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \
+        defined(CONFIG_SOC_DRA7XX)
 static OMAP_SYS_32K_TIMER_INIT(4, 1, "timer_32k_ck", "ti,timer-alwon",
                                2, "sys_clkin_ck", NULL);
 #endif