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authorÁlvaro Fernández Rojas <noltari@gmail.com>2020-02-29 09:25:20 +0100
committerÁlvaro Fernández Rojas <noltari@gmail.com>2020-02-29 12:50:51 +0100
commita1383655cfaa71609d6236ae0fcf3b6047462b98 (patch)
treec6f123859e0dfcfaa6c1063eda26f27e208d3cac /target/linux/bcm27xx/patches-5.4/950-0087-cache-export-clean-and-invalidate.patch
parenta8aa974a9dfb4cba484dc4c1e4207fd9ec803410 (diff)
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bcm27xx: add linux 5.4 support
Tested on bcm2710 (Raspberry Pi 3B). Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0087-cache-export-clean-and-invalidate.patch')
-rw-r--r--target/linux/bcm27xx/patches-5.4/950-0087-cache-export-clean-and-invalidate.patch53
1 files changed, 53 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0087-cache-export-clean-and-invalidate.patch b/target/linux/bcm27xx/patches-5.4/950-0087-cache-export-clean-and-invalidate.patch
new file mode 100644
index 0000000000..e5afeb96fc
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0087-cache-export-clean-and-invalidate.patch
@@ -0,0 +1,53 @@
+From d2b4f3d3ae91ea8fca9efebe0ac7a6b0c0567883 Mon Sep 17 00:00:00 2001
+From: popcornmix <popcornmix@gmail.com>
+Date: Fri, 25 Aug 2017 19:18:13 +0100
+Subject: [PATCH] cache: export clean and invalidate
+
+hack: cache: Fix linker error
+---
+ arch/arm/mm/cache-v6.S | 4 ++--
+ arch/arm/mm/cache-v7.S | 6 ++++--
+ 2 files changed, 6 insertions(+), 4 deletions(-)
+
+--- a/arch/arm/mm/cache-v6.S
++++ b/arch/arm/mm/cache-v6.S
+@@ -198,7 +198,7 @@ ENTRY(v6_flush_kern_dcache_area)
+ * - start - virtual start address of region
+ * - end - virtual end address of region
+ */
+-v6_dma_inv_range:
++ENTRY(v6_dma_inv_range)
+ #ifdef CONFIG_DMA_CACHE_RWFO
+ ldrb r2, [r0] @ read for ownership
+ strb r2, [r0] @ write for ownership
+@@ -243,7 +243,7 @@ v6_dma_inv_range:
+ * - start - virtual start address of region
+ * - end - virtual end address of region
+ */
+-v6_dma_clean_range:
++ENTRY(v6_dma_clean_range)
+ bic r0, r0, #D_CACHE_LINE_SIZE - 1
+ 1:
+ #ifdef CONFIG_DMA_CACHE_RWFO
+--- a/arch/arm/mm/cache-v7.S
++++ b/arch/arm/mm/cache-v7.S
+@@ -363,7 +363,8 @@ ENDPROC(v7_flush_kern_dcache_area)
+ * - start - virtual start address of region
+ * - end - virtual end address of region
+ */
+-v7_dma_inv_range:
++ENTRY(b15_dma_inv_range)
++ENTRY(v7_dma_inv_range)
+ dcache_line_size r2, r3
+ sub r3, r2, #1
+ tst r0, r3
+@@ -393,7 +394,8 @@ ENDPROC(v7_dma_inv_range)
+ * - start - virtual start address of region
+ * - end - virtual end address of region
+ */
+-v7_dma_clean_range:
++ENTRY(b15_dma_clean_range)
++ENTRY(v7_dma_clean_range)
+ dcache_line_size r2, r3
+ sub r3, r2, #1
+ bic r0, r0, r3