From 216100edb423b22f48b9ac0cc00f8f3958aca776 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Sun, 18 Jan 2015 09:25:27 +0000 Subject: [PATCH] kernel: backport upstream commit to fix MIPS cache shift with secondary cache enabled Signed-off-by: Felix Fietkau SVN-Revision: 44024 --- ...CPU_SCACHE-to-be-used-with-different.patch | 42 +++++++++++++++++++ .../132-mips_inline_dma_ops.patch | 6 +-- .../301-mips_image_cmdline_hack.patch | 2 +- .../patches-3.14/304-mips_disable_fpu.patch | 2 +- 4 files changed, 47 insertions(+), 5 deletions(-) create mode 100644 target/linux/generic/patches-3.14/010-MIPS-Allow-MIPS_CPU_SCACHE-to-be-used-with-different.patch diff --git a/target/linux/generic/patches-3.14/010-MIPS-Allow-MIPS_CPU_SCACHE-to-be-used-with-different.patch b/target/linux/generic/patches-3.14/010-MIPS-Allow-MIPS_CPU_SCACHE-to-be-used-with-different.patch new file mode 100644 index 0000000000..f5cdc6d77d --- /dev/null +++ b/target/linux/generic/patches-3.14/010-MIPS-Allow-MIPS_CPU_SCACHE-to-be-used-with-different.patch @@ -0,0 +1,42 @@ +From a7ef1eaddbf4bd50bfee92d9dfbecadc61467bbf Mon Sep 17 00:00:00 2001 +From: Kevin Cernekee +Date: Mon, 20 Oct 2014 21:27:57 -0700 +Subject: [PATCH] MIPS: Allow MIPS_CPU_SCACHE to be used with different line + sizes + +CONFIG_MIPS_CPU_SCACHE determines whether to build sc-mips.c. However, +it is currently hardwired to use an L1_SHIFT of 6 (64 bytes). Move the +L1_SHIFT selection into the CPU or SoC section so that other SoCs can +select different values. + +Signed-off-by: Kevin Cernekee +Cc: f.fainelli@gmail.com +Cc: mbizon@freebox.fr +Cc: jogo@openwrt.org +Cc: jfraser@broadcom.com +Cc: linux-mips@linux-mips.org +Cc: devicetree@vger.kernel.org +Patchwork: https://patchwork.linux-mips.org/patch/8162/ +Signed-off-by: Ralf Baechle +--- + arch/mips/Kconfig | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/arch/mips/Kconfig ++++ b/arch/mips/Kconfig +@@ -315,6 +315,7 @@ config MIPS_MALTA + select I8259 + select MIPS_BONITO64 + select MIPS_CPU_SCACHE ++ select MIPS_L1_CACHE_SHIFT_6 + select PCI_GT64XXX_PCI0 + select MIPS_MSC + select SWAP_IO_SPACE +@@ -1820,7 +1821,6 @@ config IP22_CPU_SCACHE + config MIPS_CPU_SCACHE + bool + select BOARD_SCACHE +- select MIPS_L1_CACHE_SHIFT_6 + + config R5000_CPU_SCACHE + bool diff --git a/target/linux/generic/patches-3.14/132-mips_inline_dma_ops.patch b/target/linux/generic/patches-3.14/132-mips_inline_dma_ops.patch index e43de025e6..e8486c9a47 100644 --- a/target/linux/generic/patches-3.14/132-mips_inline_dma_ops.patch +++ b/target/linux/generic/patches-3.14/132-mips_inline_dma_ops.patch @@ -19,7 +19,7 @@ Signed-off-by: Felix Fietkau --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig -@@ -1620,6 +1620,9 @@ config SYS_HAS_CPU_XLR +@@ -1621,6 +1621,9 @@ config SYS_HAS_CPU_XLR config SYS_HAS_CPU_XLP bool @@ -510,7 +510,7 @@ Signed-off-by: Felix Fietkau void dma_free_noncoherent(struct device *dev, size_t size, void *vaddr, -@@ -159,8 +137,8 @@ void dma_free_noncoherent(struct device +@@ -159,8 +137,8 @@ void dma_free_noncoherent(struct device } EXPORT_SYMBOL(dma_free_noncoherent); @@ -650,7 +650,7 @@ Signed-off-by: Felix Fietkau void dma_cache_sync(struct device *dev, void *vaddr, size_t size, enum dma_data_direction direction) -@@ -347,23 +225,10 @@ void dma_cache_sync(struct device *dev, +@@ -347,23 +225,10 @@ void dma_cache_sync(struct device *dev, EXPORT_SYMBOL(dma_cache_sync); diff --git a/target/linux/generic/patches-3.14/301-mips_image_cmdline_hack.patch b/target/linux/generic/patches-3.14/301-mips_image_cmdline_hack.patch index 3857438616..7f1b6bcc31 100644 --- a/target/linux/generic/patches-3.14/301-mips_image_cmdline_hack.patch +++ b/target/linux/generic/patches-3.14/301-mips_image_cmdline_hack.patch @@ -1,6 +1,6 @@ --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig -@@ -946,6 +946,10 @@ config SYNC_R4K +@@ -947,6 +947,10 @@ config SYNC_R4K config MIPS_MACHINE def_bool n diff --git a/target/linux/generic/patches-3.14/304-mips_disable_fpu.patch b/target/linux/generic/patches-3.14/304-mips_disable_fpu.patch index 4536ce6dae..adc934642a 100644 --- a/target/linux/generic/patches-3.14/304-mips_disable_fpu.patch +++ b/target/linux/generic/patches-3.14/304-mips_disable_fpu.patch @@ -8,7 +8,7 @@ Signed-off-by: Florian Fainelli -- --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig -@@ -934,6 +934,17 @@ config I8259 +@@ -935,6 +935,17 @@ config I8259 config MIPS_BONITO64 bool -- 2.30.2