ARM: OMAP: AM43xx hwmod: Add data for am43xx emif hwmod

Without a hwmod for am43xx emif use counting for emif clockdomain does
not happen correctly so it may be shut off by pm code unintentionally.

Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
[paul@pwsan.com: updated to apply]
Signed-off-by: Paul Walmsley <paul@pwsan.com>

5 files changed, 38 insertions, 13 deletions

diff --git a/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_common_data.h b/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_common_data.h
index 130332c0534d..7f737965f543 100644
--- a/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_common_data.h
+++ b/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_common_data.h
@@ -145,6 +145,7 @@ extern struct omap_hwmod am33xx_uart5_hwmod;
 extern struct omap_hwmod am33xx_uart6_hwmod;
 extern struct omap_hwmod am33xx_wd_timer1_hwmod;
 
+extern struct omap_hwmod_class am33xx_emif_hwmod_class;
 extern struct omap_hwmod_class am33xx_l4_hwmod_class;
 extern struct omap_hwmod_class am33xx_wkup_m3_hwmod_class;
 extern struct omap_hwmod_class am33xx_control_hwmod_class;
diff --git a/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c b/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c
index ae0cb673a3d1..907a452b78ea 100644
--- a/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c
@@ -203,6 +203,19 @@ struct omap_hwmod am33xx_prcm_hwmod = {
 };
 
 /*
+ * 'emif' class
+ * instance(s): emif
+ */
+static struct omap_hwmod_class_sysconfig am33xx_emif_sysc = {
+        .rev_offs       = 0x0000,
+};
+
+struct omap_hwmod_class am33xx_emif_hwmod_class = {
+        .name           = "emif",
+        .sysc           = &am33xx_emif_sysc,
+};
+
+/*
  * 'aes0' class
  */
 static struct omap_hwmod_class_sysconfig am33xx_aes0_sysc = {
diff --git a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c
index 0cf7b563dcd1..cc0791d9125b 100644
--- a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c
@@ -34,19 +34,6 @@
  * IP blocks
  */
 
-/*
- * 'emif' class
- * instance(s): emif
- */
-static struct omap_hwmod_class_sysconfig am33xx_emif_sysc = {
-        .rev_offs       = 0x0000,
-};
-
-static struct omap_hwmod_class am33xx_emif_hwmod_class = {
-        .name           = "emif",
-        .sysc           = &am33xx_emif_sysc,
-};
-
 /* emif */
 static struct omap_hwmod am33xx_emif_hwmod = {
         .name           = "emif",
diff --git a/arch/arm/mach-omap2/omap_hwmod_43xx_data.c b/arch/arm/mach-omap2/omap_hwmod_43xx_data.c
index 17e8004fc20f..215d5efa0dba 100644
--- a/arch/arm/mach-omap2/omap_hwmod_43xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_43xx_data.c
@@ -24,6 +24,20 @@
 
 
 /* IP blocks */
+static struct omap_hwmod am43xx_emif_hwmod = {
+        .name           = "emif",
+        .class          = &am33xx_emif_hwmod_class,
+        .clkdm_name     = "emif_clkdm",
+        .flags          = HWMOD_INIT_NO_IDLE,
+        .main_clk       = "dpll_ddr_m2_ck",
+        .prcm           = {
+                .omap4  = {
+                        .clkctrl_offs   = AM43XX_CM_PER_EMIF_CLKCTRL_OFFSET,
+                        .modulemode     = MODULEMODE_SWCTRL,
+                },
+        },
+};
+
 static struct omap_hwmod am43xx_l4_hs_hwmod = {
         .name           = "l4_hs",
         .class          = &am33xx_l4_hwmod_class,
@@ -583,6 +597,13 @@ static struct omap_hwmod am43xx_vpfe1_hwmod = {
 };
 
 /* Interfaces */
+static struct omap_hwmod_ocp_if am43xx_l3_main__emif = {
+        .master         = &am33xx_l3_main_hwmod,
+        .slave          = &am43xx_emif_hwmod,
+        .clk            = "dpll_core_m4_ck",
+        .user           = OCP_USER_MPU | OCP_USER_SDMA,
+};
+
 static struct omap_hwmod_ocp_if am43xx_l3_main__l4_hs = {
         .master         = &am33xx_l3_main_hwmod,
         .slave          = &am43xx_l4_hs_hwmod,
@@ -918,6 +939,7 @@ static struct omap_hwmod_ocp_if *am43xx_hwmod_ocp_ifs[] __initdata = {
         &am33xx_l3_main__l3_instr,
         &am33xx_l3_main__gfx,
         &am33xx_l3_s__l3_main,
+        &am43xx_l3_main__emif,
         &am33xx_pruss__l3_main,
         &am43xx_wkup_m3__l4_wkup,
         &am33xx_gfx__l3_main,
diff --git a/arch/arm/mach-omap2/prcm43xx.h b/arch/arm/mach-omap2/prcm43xx.h
index d0261996db6d..7eebc27fa892 100644
--- a/arch/arm/mach-omap2/prcm43xx.h
+++ b/arch/arm/mach-omap2/prcm43xx.h
@@ -146,4 +146,6 @@
 #define AM43XX_CM_PER_HDQ1W_CLKCTRL_OFFSET              0x04a0
 #define AM43XX_CM_PER_VPFE0_CLKCTRL_OFFSET              0x0068
 #define AM43XX_CM_PER_VPFE1_CLKCTRL_OFFSET              0x0070
+#define AM43XX_CM_PER_EMIF_CLKCTRL_OFFSET               0x0720
+
 #endif