9 files changed, 82 insertions, 52 deletions

diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 904bd1dfcd2e..a8ba7b96dcd1 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -366,8 +366,8 @@ config OMAP3_SDRC_AC_TIMING
           going on could result in system crashes;
 
 config OMAP4_ERRATA_I688
-        bool "OMAP4 errata: Async Bridge Corruption"
-        depends on ARCH_OMAP4
+        bool "OMAP4 errata: Async Bridge Corruption (BROKEN)"
+        depends on ARCH_OMAP4 && BROKEN
         select ARCH_HAS_BARRIERS
         help
           If a data is stalled inside asynchronous bridge because of back
diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c
index 2ceb75d21eb2..39fba9df17fb 100644
--- a/arch/arm/mach-omap2/board-4430sdp.c
+++ b/arch/arm/mach-omap2/board-4430sdp.c
@@ -602,20 +602,6 @@ static void __init omap_sfh7741prox_init(void)
                         __func__, OMAP4_SFH7741_ENABLE_GPIO, error);
 }
 
-static void sdp4430_hdmi_mux_init(void)
-{
-        /* PAD0_HDMI_HPD_PAD1_HDMI_CEC */
-        omap_mux_init_signal("hdmi_hpd",
-                        OMAP_PIN_INPUT_PULLUP);
-        omap_mux_init_signal("hdmi_cec",
-                        OMAP_PIN_INPUT_PULLUP);
-        /* PAD0_HDMI_DDC_SCL_PAD1_HDMI_DDC_SDA */
-        omap_mux_init_signal("hdmi_ddc_scl",
-                        OMAP_PIN_INPUT_PULLUP);
-        omap_mux_init_signal("hdmi_ddc_sda",
-                        OMAP_PIN_INPUT_PULLUP);
-}
-
 static struct gpio sdp4430_hdmi_gpios[] = {
         { HDMI_GPIO_HPD,        GPIOF_OUT_INIT_HIGH,    "hdmi_gpio_hpd"   },
         { HDMI_GPIO_LS_OE,      GPIOF_OUT_INIT_HIGH,    "hdmi_gpio_ls_oe" },
@@ -833,9 +819,16 @@ static void omap_4430sdp_display_init(void)
                 pr_err("%s: Could not get display_sel GPIO\n", __func__);
 
         sdp4430_lcd_init();
-        sdp4430_hdmi_mux_init();
         sdp4430_picodlp_init();
         omap_display_init(&sdp4430_dss_data);
+        /*
+         * OMAP4460SDP/Blaze and OMAP4430 ES2.3 SDP/Blaze boards and
+         * later have external pull up on the HDMI I2C lines
+         */
+        if (cpu_is_omap446x() || omap_rev() > OMAP4430_REV_ES2_2)
+                omap_hdmi_init(OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP);
+        else
+                omap_hdmi_init(0);
 }
 
 #ifdef CONFIG_OMAP_MUX
diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c
index e96a2e7ad36f..30ad40db2cf3 100644
--- a/arch/arm/mach-omap2/board-omap4panda.c
+++ b/arch/arm/mach-omap2/board-omap4panda.c
@@ -412,21 +412,6 @@ int __init omap4_panda_dvi_init(void)
         return r;
 }
 
-
-static void omap4_panda_hdmi_mux_init(void)
-{
-        /* PAD0_HDMI_HPD_PAD1_HDMI_CEC */
-        omap_mux_init_signal("hdmi_hpd",
-                        OMAP_PIN_INPUT_PULLUP);
-        omap_mux_init_signal("hdmi_cec",
-                        OMAP_PIN_INPUT_PULLUP);
-        /* PAD0_HDMI_DDC_SCL_PAD1_HDMI_DDC_SDA */
-        omap_mux_init_signal("hdmi_ddc_scl",
-                        OMAP_PIN_INPUT_PULLUP);
-        omap_mux_init_signal("hdmi_ddc_sda",
-                        OMAP_PIN_INPUT_PULLUP);
-}
-
 static struct gpio panda_hdmi_gpios[] = {
         { HDMI_GPIO_HPD,        GPIOF_OUT_INIT_HIGH, "hdmi_gpio_hpd"   },
         { HDMI_GPIO_LS_OE,      GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ls_oe" },
@@ -478,8 +463,16 @@ void omap4_panda_display_init(void)
         if (r)
                 pr_err("error initializing panda DVI\n");
 
-        omap4_panda_hdmi_mux_init();
         omap_display_init(&omap4_panda_dss_data);
+
+        /*
+         * OMAP4460SDP/Blaze and OMAP4430 ES2.3 SDP/Blaze boards and
+         * later have external pull up on the HDMI I2C lines
+         */
+        if (cpu_is_omap446x() || omap_rev() > OMAP4430_REV_ES2_2)
+                omap_hdmi_init(OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP);
+        else
+                omap_hdmi_init(0);
 }
 
 static void __init omap4_panda_init(void)
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index d67bcdf724d7..acb4e77b39ef 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -945,6 +945,9 @@ static struct i2c_board_info __initdata rx51_peripherals_i2c_board_info_2[] = {
         },
 #endif
         {
+                I2C_BOARD_INFO("bq27200", 0x55),
+        },
+        {
                 I2C_BOARD_INFO("tpa6130a2", 0x60),
                 .platform_data = &rx51_tpa6130a2_data,
         }
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 46dfd1ae8f71..0b510ad01a00 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -28,7 +28,6 @@
 #include <plat/board.h>
 #include <plat/mcbsp.h>
 #include <plat/mmc.h>
-#include <plat/iommu.h>
 #include <plat/dma.h>
 #include <plat/omap_hwmod.h>
 #include <plat/omap_device.h>
@@ -128,6 +127,10 @@ static struct platform_device omap2cam_device = {
 };
 #endif
 
+#if defined(CONFIG_IOMMU_API)
+
+#include <plat/iommu.h>
+
 static struct resource omap3isp_resources[] = {
         {
                 .start          = OMAP3430_ISP_BASE,
@@ -224,6 +227,15 @@ int omap3_init_camera(struct isp_platform_data *pdata)
         return platform_device_register(&omap3isp_device);
 }
 
+#else /* !CONFIG_IOMMU_API */
+
+int omap3_init_camera(struct isp_platform_data *pdata)
+{
+        return 0;
+}
+
+#endif
+
 static inline void omap_init_camera(void)
 {
 #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE)
diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c
index bc6cf863a563..3c446d1a1781 100644
--- a/arch/arm/mach-omap2/display.c
+++ b/arch/arm/mach-omap2/display.c
@@ -30,6 +30,7 @@
 #include <plat/omap-pm.h>
 #include "common.h"
 
+#include "mux.h"
 #include "control.h"
 #include "display.h"
 
@@ -97,6 +98,36 @@ static const struct omap_dss_hwmod_data omap4_dss_hwmod_data[] __initdata = {
         { "dss_hdmi", "omapdss_hdmi", -1 },
 };
 
+static void omap4_hdmi_mux_pads(enum omap_hdmi_flags flags)
+{
+        u32 reg;
+        u16 control_i2c_1;
+
+        /* PAD0_HDMI_HPD_PAD1_HDMI_CEC */
+        omap_mux_init_signal("hdmi_hpd",
+                        OMAP_PIN_INPUT_PULLUP);
+        omap_mux_init_signal("hdmi_cec",
+                        OMAP_PIN_INPUT_PULLUP);
+        /* PAD0_HDMI_DDC_SCL_PAD1_HDMI_DDC_SDA */
+        omap_mux_init_signal("hdmi_ddc_scl",
+                        OMAP_PIN_INPUT_PULLUP);
+        omap_mux_init_signal("hdmi_ddc_sda",
+                        OMAP_PIN_INPUT_PULLUP);
+
+        /*
+         * CONTROL_I2C_1: HDMI_DDC_SDA_PULLUPRESX (bit 28) and
+         * HDMI_DDC_SCL_PULLUPRESX (bit 24) are set to disable
+         * internal pull up resistor.
+         */
+        if (flags & OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP) {
+                control_i2c_1 = OMAP4_CTRL_MODULE_PAD_CORE_CONTROL_I2C_1;
+                reg = omap4_ctrl_pad_readl(control_i2c_1);
+                reg |= (OMAP4_HDMI_DDC_SDA_PULLUPRESX_MASK |
+                        OMAP4_HDMI_DDC_SCL_PULLUPRESX_MASK);
+                        omap4_ctrl_pad_writel(reg, control_i2c_1);
+        }
+}
+
 static int omap4_dsi_mux_pads(int dsi_id, unsigned lanes)
 {
         u32 enable_mask, enable_shift;
@@ -130,6 +161,14 @@ static int omap4_dsi_mux_pads(int dsi_id, unsigned lanes)
         return 0;
 }
 
+int omap_hdmi_init(enum omap_hdmi_flags flags)
+{
+        if (cpu_is_omap44xx())
+                omap4_hdmi_mux_pads(flags);
+
+        return 0;
+}
+
 static int omap_dsi_enable_pads(int dsi_id, unsigned lane_mask)
 {
         if (cpu_is_omap44xx())
diff --git a/arch/arm/mach-omap2/mcbsp.c b/arch/arm/mach-omap2/mcbsp.c
index 28fcb27005d2..fb4bcf81a183 100644
--- a/arch/arm/mach-omap2/mcbsp.c
+++ b/arch/arm/mach-omap2/mcbsp.c
@@ -156,6 +156,9 @@ static int omap_init_mcbsp(struct omap_hwmod *oh, void *unused)
                 else
                         /* The FIFO has 128 locations */
                         pdata->buffer_size = 0x80;
+        } else if (oh->class->rev == MCBSP_CONFIG_TYPE4) {
+                /* The FIFO has 128 locations for all instances */
+                pdata->buffer_size = 0x80;
         }
 
         if (oh->class->rev >= MCBSP_CONFIG_TYPE3)
diff --git a/arch/arm/mach-omap2/omap-secure.c b/arch/arm/mach-omap2/omap-secure.c
index 69f3c72d959b..d8f8ef40290f 100644
--- a/arch/arm/mach-omap2/omap-secure.c
+++ b/arch/arm/mach-omap2/omap-secure.c
@@ -16,6 +16,7 @@
 #include <linux/memblock.h>
 
 #include <asm/cacheflush.h>
+#include <asm/memblock.h>
 
 #include <mach/omap-secure.h>
 
@@ -57,20 +58,10 @@ u32 omap_secure_dispatcher(u32 idx, u32 flag, u32 nargs, u32 arg1, u32 arg2,
 /* Allocate the memory to save secure ram */
 int __init omap_secure_ram_reserve_memblock(void)
 {
-        phys_addr_t paddr;
         u32 size = OMAP_SECURE_RAM_STORAGE;
 
         size = ALIGN(size, SZ_1M);
-        paddr = memblock_alloc(size, SZ_1M);
-        if (!paddr) {
-                pr_err("%s: failed to reserve %x bytes\n",
-                                __func__, size);
-                return -ENOMEM;
-        }
-        memblock_free(paddr, size);
-        memblock_remove(paddr, size);
-
-        omap_secure_memblock_base = paddr;
+        omap_secure_memblock_base = arm_memblock_steal(size, SZ_1M);
 
         return 0;
 }
diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c
index bc16c818c6b7..40a8fbc07e4b 100644
--- a/arch/arm/mach-omap2/omap4-common.c
+++ b/arch/arm/mach-omap2/omap4-common.c
@@ -20,6 +20,7 @@
 #include <asm/hardware/gic.h>
 #include <asm/hardware/cache-l2x0.h>
 #include <asm/mach/map.h>
+#include <asm/memblock.h>
 
 #include <plat/irqs.h>
 #include <plat/sram.h>
@@ -61,13 +62,8 @@ static int __init omap_barriers_init(void)
                 return -ENODEV;
 
         size = ALIGN(PAGE_SIZE, SZ_1M);
-        paddr = memblock_alloc(size, SZ_1M);
-        if (!paddr) {
-                pr_err("%s: failed to reserve 4 Kbytes\n", __func__);
-                return -ENOMEM;
-        }
-        memblock_free(paddr, size);
-        memblock_remove(paddr, size);
+        paddr = arm_memblock_steal(size, SZ_1M);
+
         dram_io_desc[0].virtual = OMAP4_DRAM_BARRIER_VA;
         dram_io_desc[0].pfn = __phys_to_pfn(paddr);
         dram_io_desc[0].length = size;