1 From b8b3acbe6077b4736f641ec445be8a42cdd1f08b Mon Sep 17 00:00:00 2001
2 From: John Crispin <blogic@openwrt.org>
3 Date: Fri, 9 Nov 2012 12:16:14 +0100
4 Subject: [PATCH 3/6] MIPS: lantiq: verbose init of dma core
6 Print the hardware revision and port/channel info when starting the dma core.
8 Signed-off-by: John Crispin <blogic@openwrt.org>
9 Patchwork: http://patchwork.linux-mips.org/patch/4520
11 arch/mips/lantiq/xway/dma.c | 9 ++++++++-
12 1 file changed, 8 insertions(+), 1 deletion(-)
14 diff --git a/arch/mips/lantiq/xway/dma.c b/arch/mips/lantiq/xway/dma.c
15 index 55d2c4f..b5d76d1 100644
16 --- a/arch/mips/lantiq/xway/dma.c
17 +++ b/arch/mips/lantiq/xway/dma.c
19 #include <lantiq_soc.h>
22 +#define LTQ_DMA_ID 0x08
23 #define LTQ_DMA_CTRL 0x10
24 #define LTQ_DMA_CPOLL 0x14
25 #define LTQ_DMA_CS 0x18
26 @@ -214,6 +215,7 @@ ltq_dma_init(struct platform_device *pdev)
33 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
34 @@ -243,7 +245,12 @@ ltq_dma_init(struct platform_device *pdev)
35 ltq_dma_w32(DMA_POLL | DMA_CLK_DIV4, LTQ_DMA_CPOLL);
36 ltq_dma_w32_mask(DMA_CHAN_ON, 0, LTQ_DMA_CCTRL);
38 - dev_info(&pdev->dev, "init done\n");
40 + id = ltq_dma_r32(LTQ_DMA_ID);
41 + dev_info(&pdev->dev,
42 + "Init done - hw rev: %X, ports: %d, channels: %d\n",
43 + id & 0x1f, (id >> 16) & 0xf, id >> 20);