diff --git a/recipes-kernel/linux/linux-3.0/sgx/0001-ARM-L2-Add-and-export-outer_clean_all.patch b/recipes-kernel/linux/linux-3.0/sgx/0001-ARM-L2-Add-and-export-outer_clean_all.patch new file mode 100644 index 00000000..e6ce25bd --- /dev/null +++ b/recipes-kernel/linux/linux-3.0/sgx/0001-ARM-L2-Add-and-export-outer_clean_all.patch @@ -0,0 +1,67 @@ +From b230bde61ea3cf8e1a55b031d08d173417337a64 Mon Sep 17 00:00:00 2001 +From: Vikram Pandita +Date: Tue, 31 May 2011 09:24:58 +0100 +Subject: [PATCH] ARM: L2: Add and export outer_clean_all + +The Errata 588369 and 539766 demands that clean all operation be done +as clean each way at a time + +This patch also raps the implementation under the CONFIG errata +macro so that for non-errata version silicon it can be disabled + +Signed-off-by: Vikram Pandita +Cc: Santosh Shilimkar +Cc: Woodruff, Richard +--- + arch/arm/include/asm/outercache.h | 8 ++++++++ + arch/arm/mm/cache-l2x0.c | 1 + + 2 files changed, 9 insertions(+), 0 deletions(-) + +diff --git a/arch/arm/include/asm/outercache.h b/arch/arm/include/asm/outercache.h +index d838743..fa8cbd8 100644 +--- a/arch/arm/include/asm/outercache.h ++++ b/arch/arm/include/asm/outercache.h +@@ -28,6 +28,7 @@ struct outer_cache_fns { + void (*clean_range)(unsigned long, unsigned long); + void (*flush_range)(unsigned long, unsigned long); + void (*flush_all)(void); ++ void (*clean_all)(void); + void (*inv_all)(void); + void (*disable)(void); + #ifdef CONFIG_OUTER_CACHE_SYNC +@@ -61,6 +62,11 @@ static inline void outer_flush_all(void) + if (outer_cache.flush_all) + outer_cache.flush_all(); + } ++static inline void outer_clean_all(void) ++{ ++ if (outer_cache.clean_all) ++ outer_cache.clean_all(); ++} + + static inline void outer_inv_all(void) + { +@@ -97,6 +103,8 @@ static inline void outer_sync(void) + #else + static inline void outer_sync(void) + { } ++static inline void outer_clean_all(void) ++{ } + #endif + + #endif /* __ASM_OUTERCACHE_H */ +diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c +index 44c0867..10b79d6 100644 +--- a/arch/arm/mm/cache-l2x0.c ++++ b/arch/arm/mm/cache-l2x0.c +@@ -346,6 +346,7 @@ void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask) + outer_cache.inv_all = l2x0_inv_all; + outer_cache.disable = l2x0_disable; + outer_cache.set_debug = l2x0_set_debug; ++ outer_cache.clean_all = l2x0_clean_all; + + printk(KERN_INFO "%s cache controller enabled\n", type); + printk(KERN_INFO "l2x0: %d ways, CACHE_ID 0x%08x, AUX_CTRL 0x%08x, Cache size: %d B\n", +-- +1.6.6.1 + diff --git a/recipes-kernel/linux/linux_3.0.bb b/recipes-kernel/linux/linux_3.0.bb index 9244d5b2..ebca1267 100644 --- a/recipes-kernel/linux/linux_3.0.bb +++ b/recipes-kernel/linux/linux_3.0.bb @@ -9,7 +9,7 @@ COMPATIBLE_MACHINE = "(beagleboard)" SRCREV_pn-${PN} = "02f8c6aee8df3cdc935e9bdd4f2d020306035dbe" # The main PR is now using MACHINE_KERNEL_PR, for omap3 see conf/machine/include/omap3.inc -MACHINE_KERNEL_PR_append = "g" +MACHINE_KERNEL_PR_append = "h" FILESPATHPKG_prepend = "linux-3.0:" @@ -199,6 +199,8 @@ SRC_URI += "git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git;pro file://madc/0002-mfd-twl-core-enable-madc-clock.patch \ \ file://sakoman/0001-mmc-don-t-display-single-block-read-console-messages.patch \ + \ + file://sgx/0001-ARM-L2-Add-and-export-outer_clean_all.patch \ file://defconfig" SRC_URI_append_beagleboard = " file://logo_linux_clut224.ppm \