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-rw-r--r--target/linux/lantiq/patches-3.7/0003-MIPS-lantiq-verbose-init-of-dma-core.patch50
1 files changed, 50 insertions, 0 deletions
diff --git a/target/linux/lantiq/patches-3.7/0003-MIPS-lantiq-verbose-init-of-dma-core.patch b/target/linux/lantiq/patches-3.7/0003-MIPS-lantiq-verbose-init-of-dma-core.patch
new file mode 100644
index 0000000000..597cbc6f08
--- /dev/null
+++ b/target/linux/lantiq/patches-3.7/0003-MIPS-lantiq-verbose-init-of-dma-core.patch
@@ -0,0 +1,50 @@
+From b8b3acbe6077b4736f641ec445be8a42cdd1f08b Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Fri, 9 Nov 2012 12:16:14 +0100
+Subject: [PATCH 3/6] MIPS: lantiq: verbose init of dma core
+
+Print the hardware revision and port/channel info when starting the dma core.
+
+Signed-off-by: John Crispin <blogic@openwrt.org>
+Patchwork: http://patchwork.linux-mips.org/patch/4520
+---
+ arch/mips/lantiq/xway/dma.c | 9 ++++++++-
+ 1 file changed, 8 insertions(+), 1 deletion(-)
+
+diff --git a/arch/mips/lantiq/xway/dma.c b/arch/mips/lantiq/xway/dma.c
+index 55d2c4f..b5d76d1 100644
+--- a/arch/mips/lantiq/xway/dma.c
++++ b/arch/mips/lantiq/xway/dma.c
+@@ -25,6 +25,7 @@
+ #include <lantiq_soc.h>
+ #include <xway_dma.h>
+
++#define LTQ_DMA_ID 0x08
+ #define LTQ_DMA_CTRL 0x10
+ #define LTQ_DMA_CPOLL 0x14
+ #define LTQ_DMA_CS 0x18
+@@ -214,6 +215,7 @@ ltq_dma_init(struct platform_device *pdev)
+ {
+ struct clk *clk;
+ struct resource *res;
++ unsigned id;
+ int i;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+@@ -243,7 +245,12 @@ ltq_dma_init(struct platform_device *pdev)
+ ltq_dma_w32(DMA_POLL | DMA_CLK_DIV4, LTQ_DMA_CPOLL);
+ ltq_dma_w32_mask(DMA_CHAN_ON, 0, LTQ_DMA_CCTRL);
+ }
+- dev_info(&pdev->dev, "init done\n");
++
++ id = ltq_dma_r32(LTQ_DMA_ID);
++ dev_info(&pdev->dev,
++ "Init done - hw rev: %X, ports: %d, channels: %d\n",
++ id & 0x1f, (id >> 16) & 0xf, id >> 20);
++
+ return 0;
+ }
+
+--
+1.7.10.4
+