From 6a08b11adda53b89d32d4becac4d7f062a0e2d99 Mon Sep 17 00:00:00 2001 From: Tony Lindgren Date: Thu, 18 Sep 2014 08:58:28 -0700 Subject: [PATCH 01/10] ARM: OMAP2+: Add hwmod flag for HWMOD_RECONFIG_IO_CHAIN Commit cc824534d4fe ("ARM: OMAP2+: hwmod: Rearm wake-up interrupts for DT when MUSB is idled") fixed issues with hung UART wake-up events by calling _reconfigure_io_chain() when MUSB is connected or disconnected. As pointed out by Paul Walmsley, we may need to also call _reconfigure_io_chain() in other cases, so it should be a separate flag. Let's add HWMOD_RECONFIG_IO_CHAIN as suggested by Paul. Reviewed-by: Paul Walmsley Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/omap_hwmod.c | 4 ++-- arch/arm/mach-omap2/omap_hwmod.h | 4 ++++ arch/arm/mach-omap2/omap_hwmod_3xxx_data.c | 4 ++-- 3 files changed, 8 insertions(+), 4 deletions(-) diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index 8fd87a3055bf6..e96808ef1adb7 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -2185,7 +2185,7 @@ static int _enable(struct omap_hwmod *oh) oh->mux->pads_dynamic))) { omap_hwmod_mux(oh->mux, _HWMOD_STATE_ENABLED); _reconfigure_io_chain(); - } else if (oh->flags & HWMOD_FORCE_MSTANDBY) { + } else if (oh->flags & HWMOD_RECONFIG_IO_CHAIN) { _reconfigure_io_chain(); } @@ -2293,7 +2293,7 @@ static int _idle(struct omap_hwmod *oh) if (oh->mux && oh->mux->pads_dynamic) { omap_hwmod_mux(oh->mux, _HWMOD_STATE_IDLE); _reconfigure_io_chain(); - } else if (oh->flags & HWMOD_FORCE_MSTANDBY) { + } else if (oh->flags & HWMOD_RECONFIG_IO_CHAIN) { _reconfigure_io_chain(); } diff --git a/arch/arm/mach-omap2/omap_hwmod.h b/arch/arm/mach-omap2/omap_hwmod.h index 0f97d635ff90d..512f809a3f4d1 100644 --- a/arch/arm/mach-omap2/omap_hwmod.h +++ b/arch/arm/mach-omap2/omap_hwmod.h @@ -514,6 +514,9 @@ struct omap_hwmod_omap4_prcm { * HWMOD_SWSUP_SIDLE_ACT: omap_hwmod code should manually bring the module * out of idle, but rely on smart-idle to the put it back in idle, * so the wakeups are still functional (Only known case for now is UART) + * HWMOD_RECONFIG_IO_CHAIN: omap_hwmod code needs to reconfigure wake-up + * events by calling _reconfigure_io_chain() when a device is enabled + * or idled. */ #define HWMOD_SWSUP_SIDLE (1 << 0) #define HWMOD_SWSUP_MSTANDBY (1 << 1) @@ -528,6 +531,7 @@ struct omap_hwmod_omap4_prcm { #define HWMOD_BLOCK_WFI (1 << 10) #define HWMOD_FORCE_MSTANDBY (1 << 11) #define HWMOD_SWSUP_SIDLE_ACT (1 << 12) +#define HWMOD_RECONFIG_IO_CHAIN (1 << 13) /* * omap_hwmod._int_flags definitions diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c index e9516b454e76c..61cd49d26f6d8 100644 --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c @@ -1730,8 +1730,8 @@ static struct omap_hwmod omap3xxx_usbhsotg_hwmod = { * Note that musb has OTG_FORCESTDBY register that controls MSTANDBY * signal when MIDLEMODE is set to force-idle. */ - .flags = HWMOD_NO_OCP_AUTOIDLE | HWMOD_SWSUP_SIDLE - | HWMOD_FORCE_MSTANDBY, + .flags = HWMOD_NO_OCP_AUTOIDLE | HWMOD_SWSUP_SIDLE | + HWMOD_FORCE_MSTANDBY | HWMOD_RECONFIG_IO_CHAIN, }; /* usb_otg_hs */ From a2fc36613ac1af2e92cbed7af80bc72d8114dd50 Mon Sep 17 00:00:00 2001 From: Tony Lindgren Date: Thu, 18 Sep 2014 08:58:49 -0700 Subject: [PATCH 02/10] ARM: OMAP3: Use manual idle for UARTs because of DMA errata In sprz318f.pdf "Usage Note 2.7" says that UARTs cannot acknowledge idle requests in smartidle mode when configured for DMA operations. This prevents L4 from going idle. So let's use manual idle mode instead. Otherwise systems using Sebastian's 8250 patches with DMA will never enter deeper idle states because of the errata above. Cc: Sebastian Andrzej Siewior Reviewed-by: Paul Walmsley Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/omap_hwmod_3xxx_data.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c index 61cd49d26f6d8..2a78b093c0ce9 100644 --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c @@ -490,7 +490,7 @@ static struct omap_hwmod omap3xxx_uart1_hwmod = { .mpu_irqs = omap2_uart1_mpu_irqs, .sdma_reqs = omap2_uart1_sdma_reqs, .main_clk = "uart1_fck", - .flags = DEBUG_TI81XXUART1_FLAGS | HWMOD_SWSUP_SIDLE_ACT, + .flags = DEBUG_TI81XXUART1_FLAGS | HWMOD_SWSUP_SIDLE, .prcm = { .omap2 = { .module_offs = CORE_MOD, @@ -509,7 +509,7 @@ static struct omap_hwmod omap3xxx_uart2_hwmod = { .mpu_irqs = omap2_uart2_mpu_irqs, .sdma_reqs = omap2_uart2_sdma_reqs, .main_clk = "uart2_fck", - .flags = DEBUG_TI81XXUART2_FLAGS | HWMOD_SWSUP_SIDLE_ACT, + .flags = DEBUG_TI81XXUART2_FLAGS | HWMOD_SWSUP_SIDLE, .prcm = { .omap2 = { .module_offs = CORE_MOD, @@ -529,7 +529,7 @@ static struct omap_hwmod omap3xxx_uart3_hwmod = { .sdma_reqs = omap2_uart3_sdma_reqs, .main_clk = "uart3_fck", .flags = DEBUG_OMAP3UART3_FLAGS | DEBUG_TI81XXUART3_FLAGS | - HWMOD_SWSUP_SIDLE_ACT, + HWMOD_SWSUP_SIDLE, .prcm = { .omap2 = { .module_offs = OMAP3430_PER_MOD, @@ -559,7 +559,7 @@ static struct omap_hwmod omap36xx_uart4_hwmod = { .mpu_irqs = uart4_mpu_irqs, .sdma_reqs = uart4_sdma_reqs, .main_clk = "uart4_fck", - .flags = DEBUG_OMAP3UART4_FLAGS | HWMOD_SWSUP_SIDLE_ACT, + .flags = DEBUG_OMAP3UART4_FLAGS | HWMOD_SWSUP_SIDLE, .prcm = { .omap2 = { .module_offs = OMAP3430_PER_MOD, From d7c517b52edf12ffb4aaaeb76633ab00ec5089d0 Mon Sep 17 00:00:00 2001 From: Tony Lindgren Date: Thu, 18 Sep 2014 09:01:07 -0700 Subject: [PATCH 03/10] ARM: omap2plus_defconfig: Shrink with savedefconfig This saves few lines and makes it easier to make patches against omap2plus_defconfig. Signed-off-by: Tony Lindgren --- arch/arm/configs/omap2plus_defconfig | 19 +++---------------- 1 file changed, 3 insertions(+), 16 deletions(-) diff --git a/arch/arm/configs/omap2plus_defconfig b/arch/arm/configs/omap2plus_defconfig index f650f00e8cee1..fc638559d3adc 100644 --- a/arch/arm/configs/omap2plus_defconfig +++ b/arch/arm/configs/omap2plus_defconfig @@ -32,7 +32,6 @@ CONFIG_SOC_OMAP5=y CONFIG_SOC_AM33XX=y CONFIG_SOC_AM43XX=y CONFIG_SOC_DRA7XX=y -CONFIG_CACHE_L2X0=y CONFIG_ARM_THUMBEE=y CONFIG_ARM_ERRATA_411920=y CONFIG_SMP=y @@ -44,7 +43,6 @@ CONFIG_ARM_APPENDED_DTB=y CONFIG_ARM_ATAG_DTB_COMPAT=y CONFIG_CMDLINE="root=/dev/mmcblk0p2 rootwait console=ttyO2,115200" CONFIG_KEXEC=y -CONFIG_FPE_NWFPE=y CONFIG_CPU_IDLE=y CONFIG_BINFMT_MISC=y CONFIG_PM_DEBUG=y @@ -75,8 +73,6 @@ CONFIG_BT_HCIBCM203X=m CONFIG_BT_HCIBPA10X=m CONFIG_CFG80211=m CONFIG_MAC80211=m -CONFIG_MAC80211_RC_PID=y -CONFIG_MAC80211_RC_DEFAULT_PID=y CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" CONFIG_DEVTMPFS=y CONFIG_DEVTMPFS_MOUNT=y @@ -103,7 +99,6 @@ CONFIG_BMP085_I2C=m CONFIG_SENSORS_LIS3_I2C=m CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y -CONFIG_SCSI_MULTI_LUN=y CONFIG_SCSI_SCAN_ASYNC=y CONFIG_MD=y CONFIG_NETDEVICES=y @@ -162,15 +157,12 @@ CONFIG_DEBUG_GPIO=y CONFIG_GPIO_SYSFS=y CONFIG_GPIO_TWL4030=y CONFIG_W1=y -CONFIG_POWER_SUPPLY=y CONFIG_POWER_AVS=y CONFIG_SENSORS_LM75=m CONFIG_THERMAL=y CONFIG_THERMAL_GOV_FAIR_SHARE=y CONFIG_THERMAL_GOV_USER_SPACE=y -CONFIG_CPU_THERMAL=y CONFIG_TI_SOC_THERMAL=y -CONFIG_TI_THERMAL=y CONFIG_OMAP4_THERMAL=y CONFIG_OMAP5_THERMAL=y CONFIG_DRA752_THERMAL=y @@ -183,8 +175,8 @@ CONFIG_MFD_TPS65217=y CONFIG_MFD_TPS65218=y CONFIG_MFD_TPS65910=y CONFIG_TWL6040_CORE=y -CONFIG_REGULATOR_FIXED_VOLTAGE=y CONFIG_REGULATOR_PALMAS=y +CONFIG_REGULATOR_PBIAS=y CONFIG_REGULATOR_TI_ABB=y CONFIG_REGULATOR_TPS65023=y CONFIG_REGULATOR_TPS6507X=y @@ -192,7 +184,6 @@ CONFIG_REGULATOR_TPS65217=y CONFIG_REGULATOR_TPS65218=y CONFIG_REGULATOR_TPS65910=y CONFIG_REGULATOR_TWL4030=y -CONFIG_REGULATOR_PBIAS=y CONFIG_FB=y CONFIG_FIRMWARE_EDID=y CONFIG_FB_MODE_HELPERS=y @@ -221,8 +212,6 @@ CONFIG_SND_DEBUG=y CONFIG_SND_USB_AUDIO=m CONFIG_SND_SOC=m CONFIG_SND_OMAP_SOC=m -CONFIG_SND_AM33XX_SOC_EVM=m -CONFIG_SND_DAVINCI_SOC=m CONFIG_SND_OMAP_SOC_OMAP_TWL4030=m CONFIG_SND_OMAP_SOC_OMAP_ABE_TWL6040=m CONFIG_SND_OMAP_SOC_OMAP3_PANDORA=m @@ -233,9 +222,6 @@ CONFIG_USB_WDM=y CONFIG_USB_STORAGE=y CONFIG_USB_DWC3=m CONFIG_USB_TEST=y -CONFIG_NOP_USB_XCEIV=y -CONFIG_OMAP_USB2=y -CONFIG_TI_PIPE3=y CONFIG_AM335X_PHY_USB=y CONFIG_USB_GADGET=y CONFIG_USB_GADGET_DEBUG=y @@ -243,7 +229,6 @@ CONFIG_USB_GADGET_DEBUG_FILES=y CONFIG_USB_GADGET_DEBUG_FS=y CONFIG_USB_ZERO=m CONFIG_MMC=y -CONFIG_MMC_UNSAFE_RESUME=y CONFIG_SDIO_UART=y CONFIG_MMC_OMAP=y CONFIG_MMC_OMAP_HS=y @@ -267,6 +252,8 @@ CONFIG_TI_EDMA=y CONFIG_DMA_OMAP=y CONFIG_EXTCON=y CONFIG_EXTCON_PALMAS=y +CONFIG_OMAP_USB2=y +CONFIG_TI_PIPE3=y CONFIG_EXT2_FS=y CONFIG_EXT3_FS=y # CONFIG_EXT3_FS_XATTR is not set From fdc509b15eb3eb2dd73e0e8651ae8927330d130c Mon Sep 17 00:00:00 2001 From: Tony Lindgren Date: Thu, 18 Sep 2014 09:01:07 -0700 Subject: [PATCH 04/10] ARM: omap2plus_defconfig: Add cpufreq to defconfig Note that we can now use the CONFIG_GENERIC_CPUFREQ_CPU0, so let's only enable that. Let's use CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND as suggested by Nishant. And also let's enable thermal as explained by Nishant Menon: Many TI SoCs using Highest frequency is not really too nice of an idea for long periods of time. And not everything is upstream to support things optimially - example avs class 0, 1.5 ABB consolidation with cpufreq etc.. We definitely need thermal enabled as well for device safety needs. [tony@atomide.com: updated per Nishant's suggestions] Acked-by: Nishanth Menon Signed-off-by: Tony Lindgren --- arch/arm/configs/omap2plus_defconfig | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm/configs/omap2plus_defconfig b/arch/arm/configs/omap2plus_defconfig index fc638559d3adc..d1d9f1823d3cd 100644 --- a/arch/arm/configs/omap2plus_defconfig +++ b/arch/arm/configs/omap2plus_defconfig @@ -43,6 +43,14 @@ CONFIG_ARM_APPENDED_DTB=y CONFIG_ARM_ATAG_DTB_COMPAT=y CONFIG_CMDLINE="root=/dev/mmcblk0p2 rootwait console=ttyO2,115200" CONFIG_KEXEC=y +CONFIG_CPU_FREQ=y +CONFIG_CPU_FREQ_STAT_DETAILS=y +CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y +CONFIG_CPU_FREQ_GOV_POWERSAVE=y +CONFIG_CPU_FREQ_GOV_USERSPACE=y +CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y +CONFIG_GENERIC_CPUFREQ_CPU0=y +# CONFIG_ARM_OMAP2PLUS_CPUFREQ is not set CONFIG_CPU_IDLE=y CONFIG_BINFMT_MISC=y CONFIG_PM_DEBUG=y @@ -162,7 +170,9 @@ CONFIG_SENSORS_LM75=m CONFIG_THERMAL=y CONFIG_THERMAL_GOV_FAIR_SHARE=y CONFIG_THERMAL_GOV_USER_SPACE=y +CONFIG_CPU_THERMAL=y CONFIG_TI_SOC_THERMAL=y +CONFIG_TI_THERMAL=y CONFIG_OMAP4_THERMAL=y CONFIG_OMAP5_THERMAL=y CONFIG_DRA752_THERMAL=y From 673ce00c5d6cb9d49260b4cabeaf8972caee4c52 Mon Sep 17 00:00:00 2001 From: Tony Lindgren Date: Thu, 18 Sep 2014 09:01:08 -0700 Subject: [PATCH 05/10] ARM: omap2plus_defconfig: Add support for distros with systemd Some distros are now using systemd, so let's enable most of what's recommended at: http://cgit.freedesktop.org/systemd/systemd/tree/README Reviewed-by: Javier Martinez Canillas Signed-off-by: Tony Lindgren --- arch/arm/configs/omap2plus_defconfig | 24 ++++++++++++++++++++++-- 1 file changed, 22 insertions(+), 2 deletions(-) diff --git a/arch/arm/configs/omap2plus_defconfig b/arch/arm/configs/omap2plus_defconfig index d1d9f1823d3cd..d6301442528ff 100644 --- a/arch/arm/configs/omap2plus_defconfig +++ b/arch/arm/configs/omap2plus_defconfig @@ -1,11 +1,28 @@ CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y +CONFIG_FHANDLE=y +CONFIG_AUDIT=y CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y CONFIG_BSD_PROCESS_ACCT=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=16 +CONFIG_CGROUPS=y +CONFIG_CGROUP_FREEZER=y +CONFIG_CGROUP_DEVICE=y +CONFIG_CPUSETS=y +CONFIG_CGROUP_CPUACCT=y +CONFIG_RESOURCE_COUNTERS=y +CONFIG_MEMCG=y +CONFIG_MEMCG_SWAP=y +CONFIG_MEMCG_KMEM=y +CONFIG_CGROUP_PERF=y +CONFIG_CGROUP_SCHED=y +CONFIG_CFS_BANDWIDTH=y +CONFIG_RT_GROUP_SCHED=y +CONFIG_BLK_CGROUP=y +CONFIG_NAMESPACES=y CONFIG_BLK_DEV_INITRD=y CONFIG_EXPERT=y CONFIG_SLAB=y @@ -37,6 +54,7 @@ CONFIG_ARM_ERRATA_411920=y CONFIG_SMP=y CONFIG_NR_CPUS=2 CONFIG_CMA=y +CONFIG_SECCOMP=y CONFIG_ZBOOT_ROM_TEXT=0x0 CONFIG_ZBOOT_ROM_BSS=0x0 CONFIG_ARM_APPENDED_DTB=y @@ -67,7 +85,7 @@ CONFIG_IP_PNP_DHCP=y CONFIG_IP_PNP_BOOTP=y CONFIG_IP_PNP_RARP=y # CONFIG_INET_LRO is not set -# CONFIG_IPV6 is not set +CONFIG_IPV6=y CONFIG_NETFILTER=y CONFIG_CAN=m CONFIG_CAN_C_CAN=m @@ -81,7 +99,6 @@ CONFIG_BT_HCIBCM203X=m CONFIG_BT_HCIBPA10X=m CONFIG_CFG80211=m CONFIG_MAC80211=m -CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" CONFIG_DEVTMPFS=y CONFIG_DEVTMPFS_MOUNT=y CONFIG_DMA_CMA=y @@ -268,11 +285,14 @@ CONFIG_EXT2_FS=y CONFIG_EXT3_FS=y # CONFIG_EXT3_FS_XATTR is not set CONFIG_EXT4_FS=y +CONFIG_FANOTIFY=y CONFIG_QUOTA=y CONFIG_QFMT_V2=y +CONFIG_AUTOFS4_FS=y CONFIG_MSDOS_FS=y CONFIG_VFAT_FS=y CONFIG_TMPFS=y +CONFIG_TMPFS_POSIX_ACL=y CONFIG_JFFS2_FS=y CONFIG_JFFS2_SUMMARY=y CONFIG_JFFS2_FS_XATTR=y From 111974506d81630cb329089850c17b2aaf2ac2ee Mon Sep 17 00:00:00 2001 From: Tony Lindgren Date: Thu, 18 Sep 2014 09:01:08 -0700 Subject: [PATCH 06/10] ARM: omap2plus_defconfig: Enable battery and reset drivers Since many omaps run on battery, we should have the battery drivers enabled. Let's also enable the reset driver. Signed-off-by: Tony Lindgren --- arch/arm/configs/omap2plus_defconfig | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm/configs/omap2plus_defconfig b/arch/arm/configs/omap2plus_defconfig index d6301442528ff..f6e235dc6b20e 100644 --- a/arch/arm/configs/omap2plus_defconfig +++ b/arch/arm/configs/omap2plus_defconfig @@ -182,6 +182,13 @@ CONFIG_DEBUG_GPIO=y CONFIG_GPIO_SYSFS=y CONFIG_GPIO_TWL4030=y CONFIG_W1=y +CONFIG_BATTERY_BQ27x00=m +CONFIG_CHARGER_ISP1704=m +CONFIG_CHARGER_TWL4030=m +CONFIG_CHARGER_BQ2415X=m +CONFIG_CHARGER_BQ24190=m +CONFIG_CHARGER_BQ24735=m +CONFIG_POWER_RESET=y CONFIG_POWER_AVS=y CONFIG_SENSORS_LM75=m CONFIG_THERMAL=y From d71c97e9371f690bd58e0051955f4262007840e7 Mon Sep 17 00:00:00 2001 From: Tony Lindgren Date: Thu, 18 Sep 2014 09:01:08 -0700 Subject: [PATCH 07/10] ARM: omap2plus_defconfig: Enable some display features Now that we have panel support for DT based booting, let's make it usable and enable most things as modules. Note that omap3 boards need also the ads7847 module for the panel that we're now changing to a loadable module. And n900 seems to require setting the brightness via sysfs for acx565akm/brightness after modprobe of panel_sony_acx565akm and omapfb. Signed-off-by: Tony Lindgren --- arch/arm/configs/omap2plus_defconfig | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-) diff --git a/arch/arm/configs/omap2plus_defconfig b/arch/arm/configs/omap2plus_defconfig index f6e235dc6b20e..986165451e7f4 100644 --- a/arch/arm/configs/omap2plus_defconfig +++ b/arch/arm/configs/omap2plus_defconfig @@ -158,7 +158,9 @@ CONFIG_KEYBOARD_GPIO=y CONFIG_KEYBOARD_MATRIX=m CONFIG_KEYBOARD_TWL4030=y CONFIG_INPUT_TOUCHSCREEN=y -CONFIG_TOUCHSCREEN_ADS7846=y +CONFIG_TOUCHSCREEN_ADS7846=m +CONFIG_TOUCHSCREEN_TSC2005=m +CONFIG_TOUCHSCREEN_TSC2007=m CONFIG_INPUT_MISC=y CONFIG_INPUT_TWL4030_PWRBUTTON=y # CONFIG_LEGACY_PTYS is not set @@ -223,6 +225,7 @@ CONFIG_FIRMWARE_EDID=y CONFIG_FB_MODE_HELPERS=y CONFIG_FB_TILEBLITTING=y CONFIG_OMAP2_DSS=m +CONFIG_OMAP5_DSS_HDMI=y CONFIG_OMAP2_DSS_SDI=y CONFIG_OMAP2_DSS_DSI=y CONFIG_FB_OMAP2=m @@ -230,11 +233,25 @@ CONFIG_DISPLAY_ENCODER_TFP410=m CONFIG_DISPLAY_ENCODER_TPD12S015=m CONFIG_DISPLAY_CONNECTOR_DVI=m CONFIG_DISPLAY_CONNECTOR_HDMI=m +CONFIG_DISPLAY_CONNECTOR_ANALOG_TV=m CONFIG_DISPLAY_PANEL_DPI=m +CONFIG_DISPLAY_PANEL_DSI_CM=m +CONFIG_DISPLAY_PANEL_SONY_ACX565AKM=m +CONFIG_DISPLAY_PANEL_LGPHILIPS_LB035Q02=m +CONFIG_DISPLAY_PANEL_SHARP_LS037V7DW01=m +CONFIG_DISPLAY_PANEL_TPO_TD028TTEC1=m +CONFIG_DISPLAY_PANEL_TPO_TD043MTEA1=m +CONFIG_DISPLAY_PANEL_NEC_NL8048HL11=m CONFIG_BACKLIGHT_LCD_SUPPORT=y CONFIG_LCD_CLASS_DEVICE=y CONFIG_LCD_PLATFORM=y +CONFIG_BACKLIGHT_CLASS_DEVICE=y +CONFIG_BACKLIGHT_GENERIC=m +CONFIG_BACKLIGHT_PWM=m +CONFIG_BACKLIGHT_PANDORA=m +CONFIG_BACKLIGHT_GPIO=m CONFIG_FRAMEBUFFER_CONSOLE=y +CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y CONFIG_LOGO=y CONFIG_SOUND=m @@ -286,6 +303,9 @@ CONFIG_TI_EDMA=y CONFIG_DMA_OMAP=y CONFIG_EXTCON=y CONFIG_EXTCON_PALMAS=y +CONFIG_PWM=y +CONFIG_PWM_TWL=y +CONFIG_PWM_TWL_LED=y CONFIG_OMAP_USB2=y CONFIG_TI_PIPE3=y CONFIG_EXT2_FS=y From 0616f4eeddd81a22f4a5f0cc09b0ad71b94404cf Mon Sep 17 00:00:00 2001 From: Rajendra Nayak Date: Wed, 10 Sep 2014 11:04:02 -0500 Subject: [PATCH 08/10] ARM: AM335x: Get rid of unused sram init function Remove the empty am33xx_sram_init() function. Signed-off-by: Rajendra Nayak Signed-off-by: Dave Gerlach Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/sram.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/arch/arm/mach-omap2/sram.c b/arch/arm/mach-omap2/sram.c index ddf1818af2287..5e45df0327bd6 100644 --- a/arch/arm/mach-omap2/sram.c +++ b/arch/arm/mach-omap2/sram.c @@ -285,11 +285,6 @@ static inline int omap34xx_sram_init(void) } #endif /* CONFIG_ARCH_OMAP3 */ -static inline int am33xx_sram_init(void) -{ - return 0; -} - int __init omap_sram_init(void) { omap_detect_sram(); @@ -299,8 +294,6 @@ int __init omap_sram_init(void) omap242x_sram_init(); else if (cpu_is_omap2430()) omap243x_sram_init(); - else if (soc_is_am33xx()) - am33xx_sram_init(); else if (cpu_is_omap34xx()) omap34xx_sram_init(); From 8b9a2810b02e3d9806ba2bf307c8e8dcedaf902d Mon Sep 17 00:00:00 2001 From: Rajendra Nayak Date: Wed, 10 Sep 2014 11:04:03 -0500 Subject: [PATCH 09/10] ARM: OMAP4+: Move SRAM data to DT Use drivers/misc/sram.c driver to manage SRAM on all DT only OMAP platforms (am33xx, am43xx, omap4 and omap5) instead of the existing private plat-omap/sram.c Address and size related data is removed from mach-omap2/sram.c and now passed to drivers/misc/sram.c from DT. Users can hence use general purpose allocator apis instead of OMAP private ones to manage and use SRAM. Signed-off-by: Rajendra Nayak Signed-off-by: Dave Gerlach Signed-off-by: Tony Lindgren --- arch/arm/boot/dts/am33xx.dtsi | 5 ++--- arch/arm/boot/dts/am4372.dtsi | 5 +++++ arch/arm/boot/dts/omap4.dtsi | 5 +++++ arch/arm/boot/dts/omap5.dtsi | 5 +++++ arch/arm/configs/omap2plus_defconfig | 1 + arch/arm/mach-omap2/sram.c | 26 +------------------------- arch/arm/mach-omap2/sram.h | 1 - 7 files changed, 19 insertions(+), 29 deletions(-) diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi index 3a0a161342baf..c8238c467acfc 100644 --- a/arch/arm/boot/dts/am33xx.dtsi +++ b/arch/arm/boot/dts/am33xx.dtsi @@ -726,9 +726,8 @@ }; ocmcram: ocmcram@40300000 { - compatible = "ti,am3352-ocmcram"; - reg = <0x40300000 0x10000>; - ti,hwmods = "ocmcram"; + compatible = "mmio-sram"; + reg = <0x40300000 0x10000>; /* 64k */ }; wkup_m3: wkup_m3@44d00000 { diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi index 9b3d2ba82f13a..7b8e6521235bd 100644 --- a/arch/arm/boot/dts/am4372.dtsi +++ b/arch/arm/boot/dts/am4372.dtsi @@ -885,6 +885,11 @@ clock-names = "fck"; }; }; + + ocmcram: ocmcram@40300000 { + compatible = "mmio-sram"; + reg = <0x40300000 0x40000>; /* 256k */ + }; }; }; diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi index 7375d4482bffd..e54992f0bf27b 100644 --- a/arch/arm/boot/dts/omap4.dtsi +++ b/arch/arm/boot/dts/omap4.dtsi @@ -209,6 +209,11 @@ }; }; + ocmcram: ocmcram@40304000 { + compatible = "mmio-sram"; + reg = <0x40304000 0xa000>; /* 40k */ + }; + sdma: dma-controller@4a056000 { compatible = "ti,omap4430-sdma"; reg = <0x4a056000 0x1000>; diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi index df0a09b81ba20..779d4da19f3b0 100644 --- a/arch/arm/boot/dts/omap5.dtsi +++ b/arch/arm/boot/dts/omap5.dtsi @@ -220,6 +220,11 @@ }; }; + ocmcram: ocmcram@40300000 { + compatible = "mmio-sram"; + reg = <0x40300000 0x20000>; /* 128k */ + }; + sdma: dma-controller@4a056000 { compatible = "ti,omap4430-sdma"; reg = <0x4a056000 0x1000>; diff --git a/arch/arm/configs/omap2plus_defconfig b/arch/arm/configs/omap2plus_defconfig index 986165451e7f4..69c7bed3c634d 100644 --- a/arch/arm/configs/omap2plus_defconfig +++ b/arch/arm/configs/omap2plus_defconfig @@ -122,6 +122,7 @@ CONFIG_BLK_DEV_RAM_SIZE=16384 CONFIG_SENSORS_TSL2550=m CONFIG_BMP085_I2C=m CONFIG_SENSORS_LIS3_I2C=m +CONFIG_SRAM=y CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y CONFIG_SCSI_SCAN_ASYNC=y diff --git a/arch/arm/mach-omap2/sram.c b/arch/arm/mach-omap2/sram.c index 5e45df0327bd6..e5ac29d698102 100644 --- a/arch/arm/mach-omap2/sram.c +++ b/arch/arm/mach-omap2/sram.c @@ -32,12 +32,6 @@ #define OMAP2_SRAM_PUB_PA (OMAP2_SRAM_PA + 0xf800) #define OMAP3_SRAM_PUB_PA (OMAP3_SRAM_PA + 0x8000) -#ifdef CONFIG_OMAP4_ERRATA_I688 -#define OMAP4_SRAM_PUB_PA OMAP4_SRAM_PA -#else -#define OMAP4_SRAM_PUB_PA (OMAP4_SRAM_PA + 0x4000) -#endif -#define OMAP5_SRAM_PA 0x40300000 #define SRAM_BOOTLOADER_SZ 0x00 @@ -105,32 +99,14 @@ static void __init omap_detect_sram(void) } else { omap_sram_size = 0x8000; /* 32K */ } - } else if (cpu_is_omap44xx()) { - omap_sram_start = OMAP4_SRAM_PUB_PA; - omap_sram_size = 0xa000; /* 40K */ - } else if (soc_is_omap54xx()) { - omap_sram_start = OMAP5_SRAM_PA; - omap_sram_size = SZ_128K; /* 128KB */ } else { omap_sram_start = OMAP2_SRAM_PUB_PA; omap_sram_size = 0x800; /* 2K */ } } else { - if (soc_is_am33xx()) { - omap_sram_start = AM33XX_SRAM_PA; - omap_sram_size = 0x10000; /* 64K */ - } else if (soc_is_am43xx()) { - omap_sram_start = AM33XX_SRAM_PA; - omap_sram_size = SZ_256K; - } else if (cpu_is_omap34xx()) { + if (cpu_is_omap34xx()) { omap_sram_start = OMAP3_SRAM_PA; omap_sram_size = 0x10000; /* 64K */ - } else if (cpu_is_omap44xx()) { - omap_sram_start = OMAP4_SRAM_PA; - omap_sram_size = 0xe000; /* 56K */ - } else if (soc_is_omap54xx()) { - omap_sram_start = OMAP5_SRAM_PA; - omap_sram_size = SZ_128K; /* 128KB */ } else { omap_sram_start = OMAP2_SRAM_PA; if (cpu_is_omap242x()) diff --git a/arch/arm/mach-omap2/sram.h b/arch/arm/mach-omap2/sram.h index ca7277c2a9ee7..3f83b802dbb2c 100644 --- a/arch/arm/mach-omap2/sram.h +++ b/arch/arm/mach-omap2/sram.h @@ -80,4 +80,3 @@ static inline void omap_push_sram_idle(void) {} #else #define OMAP4_SRAM_PA 0x40300000 #endif -#define AM33XX_SRAM_PA 0x40300000 From 1306c08a7cd7e6136490ab2bc728d2c39741003e Mon Sep 17 00:00:00 2001 From: Rajendra Nayak Date: Wed, 10 Sep 2014 11:04:04 -0500 Subject: [PATCH 10/10] ARM: OMAP4+: Remove static iotable mappings for SRAM In order to handle errata I688, a page of sram was reserved by doing a static iotable map. Now that we use gen_pool to manage sram, we can completely remove all of these static mappings and use gen_pool_alloc() to get the one page of sram space needed to implement errata I688. omap_bus_sync will be NOP until SRAM initialization happens. Suggested-by: Sekhar Nori Signed-off-by: Rajendra Nayak Signed-off-by: Dave Gerlach Signed-off-by: Tony Lindgren --- .../devicetree/bindings/arm/omap/mpu.txt | 3 +++ arch/arm/boot/dts/omap4.dtsi | 1 + arch/arm/boot/dts/omap5.dtsi | 3 ++- arch/arm/mach-omap2/io.c | 17 -------------- arch/arm/mach-omap2/omap4-common.c | 22 ++++++++++++++++++- arch/arm/mach-omap2/sram.c | 6 ----- arch/arm/mach-omap2/sram.h | 6 ----- 7 files changed, 27 insertions(+), 31 deletions(-) diff --git a/Documentation/devicetree/bindings/arm/omap/mpu.txt b/Documentation/devicetree/bindings/arm/omap/mpu.txt index 83f405bde138a..763695db2bd95 100644 --- a/Documentation/devicetree/bindings/arm/omap/mpu.txt +++ b/Documentation/devicetree/bindings/arm/omap/mpu.txt @@ -10,6 +10,9 @@ Required properties: Should be "ti,omap5-mpu" for OMAP5 - ti,hwmods: "mpu" +Optional properties: +- sram: Phandle to the ocmcram node + Examples: - For an OMAP5 SMP system: diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi index e54992f0bf27b..8a944974d72e5 100644 --- a/arch/arm/boot/dts/omap4.dtsi +++ b/arch/arm/boot/dts/omap4.dtsi @@ -81,6 +81,7 @@ mpu { compatible = "ti,omap4-mpu"; ti,hwmods = "mpu"; + sram = <&ocmcram>; }; dsp { diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi index 779d4da19f3b0..4a6091d717b50 100644 --- a/arch/arm/boot/dts/omap5.dtsi +++ b/arch/arm/boot/dts/omap5.dtsi @@ -104,8 +104,9 @@ soc { compatible = "ti,omap-infra"; mpu { - compatible = "ti,omap5-mpu"; + compatible = "ti,omap4-mpu"; ti,hwmods = "mpu"; + sram = <&ocmcram>; }; }; diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c index 831805e40529d..b8ad045bcb8df 100644 --- a/arch/arm/mach-omap2/io.c +++ b/arch/arm/mach-omap2/io.c @@ -231,15 +231,6 @@ static struct map_desc omap44xx_io_desc[] __initdata = { .length = L4_PER_44XX_SIZE, .type = MT_DEVICE, }, -#ifdef CONFIG_OMAP4_ERRATA_I688 - { - .virtual = OMAP4_SRAM_VA, - .pfn = __phys_to_pfn(OMAP4_SRAM_PA), - .length = PAGE_SIZE, - .type = MT_MEMORY_RW_SO, - }, -#endif - }; #endif @@ -269,14 +260,6 @@ static struct map_desc omap54xx_io_desc[] __initdata = { .length = L4_PER_54XX_SIZE, .type = MT_DEVICE, }, -#ifdef CONFIG_OMAP4_ERRATA_I688 - { - .virtual = OMAP4_SRAM_VA, - .pfn = __phys_to_pfn(OMAP4_SRAM_PA), - .length = PAGE_SIZE, - .type = MT_MEMORY_RW_SO, - }, -#endif }; #endif diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c index a0fe747634c1f..16b20cedc38dd 100644 --- a/arch/arm/mach-omap2/omap4-common.c +++ b/arch/arm/mach-omap2/omap4-common.c @@ -25,6 +25,7 @@ #include #include #include +#include #include #include @@ -71,6 +72,26 @@ void omap_bus_sync(void) } EXPORT_SYMBOL(omap_bus_sync); +static int __init omap4_sram_init(void) +{ + struct device_node *np; + struct gen_pool *sram_pool; + + np = of_find_compatible_node(NULL, NULL, "ti,omap4-mpu"); + if (!np) + pr_warn("%s:Unable to allocate sram needed to handle errata I688\n", + __func__); + sram_pool = of_get_named_gen_pool(np, "sram", 0); + if (!sram_pool) + pr_warn("%s:Unable to get sram pool needed to handle errata I688\n", + __func__); + else + sram_sync = (void *)gen_pool_alloc(sram_pool, PAGE_SIZE); + + return 0; +} +omap_arch_initcall(omap4_sram_init); + /* Steal one page physical memory for barrier implementation */ int __init omap_barrier_reserve_memblock(void) { @@ -91,7 +112,6 @@ void __init omap_barriers_init(void) dram_io_desc[0].type = MT_MEMORY_RW_SO; iotable_init(dram_io_desc, ARRAY_SIZE(dram_io_desc)); dram_sync = (void __iomem *) dram_io_desc[0].virtual; - sram_sync = (void __iomem *) OMAP4_SRAM_VA; pr_info("OMAP4: Map 0x%08llx to 0x%08lx for dram barrier\n", (long long) paddr, dram_io_desc[0].virtual); diff --git a/arch/arm/mach-omap2/sram.c b/arch/arm/mach-omap2/sram.c index e5ac29d698102..cd488b80ba36e 100644 --- a/arch/arm/mach-omap2/sram.c +++ b/arch/arm/mach-omap2/sram.c @@ -124,12 +124,6 @@ static void __init omap2_map_sram(void) { int cached = 1; -#ifdef CONFIG_OMAP4_ERRATA_I688 - if (cpu_is_omap44xx()) { - omap_sram_start += PAGE_SIZE; - omap_sram_size -= SZ_16K; - } -#endif if (cpu_is_omap34xx()) { /* * SRAM must be marked as non-cached on OMAP3 since the diff --git a/arch/arm/mach-omap2/sram.h b/arch/arm/mach-omap2/sram.h index 3f83b802dbb2c..948d3edefc386 100644 --- a/arch/arm/mach-omap2/sram.h +++ b/arch/arm/mach-omap2/sram.h @@ -74,9 +74,3 @@ static inline void omap_push_sram_idle(void) {} */ #define OMAP2_SRAM_PA 0x40200000 #define OMAP3_SRAM_PA 0x40200000 -#ifdef CONFIG_OMAP4_ERRATA_I688 -#define OMAP4_SRAM_PA 0x40304000 -#define OMAP4_SRAM_VA 0xfe404000 -#else -#define OMAP4_SRAM_PA 0x40300000 -#endif