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Commit b8b3acbe authored by John Crispin's avatar John Crispin
Browse files

MIPS: lantiq: verbose init of dma core 



Print the hardware revision and port/channel info when starting the dma core.

Signed-off-by: default avatarJohn Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4520
parent 15753b65

arch/mips/lantiq/xway/dma.c

+8 −1
Original line number Diff line number Diff line
@@ -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;

}