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