51 lines
1.4 KiB
Diff
51 lines
1.4 KiB
Diff
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
|
|
|