diff options
| author | Dong Aisheng <dong.aisheng@linaro.org> | 2012-05-04 20:12:15 +0800 |
|---|---|---|
| committer | Shawn Guo <shawn.guo@linaro.org> | 2012-05-12 13:32:17 +0800 |
| commit | f5b7efccdb057a2cc8ee32c83d2f034e494a1f4a (patch) | |
| tree | 72674434b2219f27dbf8101dce7b8adadc3339f9 /drivers/dma | |
| parent | 6c4d4efb9d19017f0eef3893912f3dec513ef8e9 (diff) | |
| download | linux-f5b7efccdb057a2cc8ee32c83d2f034e494a1f4a.tar.bz2 | |
dma: mxs-dma: use global stmp_device functionality
This can get rid of the mach-dependency.
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Huang Shijie <b32955@freescale.com>
Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Marek Vasut <marex@denx.de>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/dma/mxs-dma.c | 26 |
2 files changed, 14 insertions, 13 deletions
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig index ef378b5b17e4..aadeb5be9dba 100644 --- a/drivers/dma/Kconfig +++ b/drivers/dma/Kconfig @@ -238,6 +238,7 @@ config IMX_DMA config MXS_DMA bool "MXS DMA support" depends on SOC_IMX23 || SOC_IMX28 + select STMP_DEVICE select DMA_ENGINE help Support the MXS DMA engine. This engine including APBH-DMA diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c index 655d4ce6ed0d..bd278187fd81 100644 --- a/drivers/dma/mxs-dma.c +++ b/drivers/dma/mxs-dma.c @@ -23,10 +23,10 @@ #include <linux/dmaengine.h> #include <linux/delay.h> #include <linux/fsl/mxs-dma.h> +#include <linux/stmp_device.h> #include <asm/irq.h> #include <mach/mxs.h> -#include <mach/common.h> #include "dmaengine.h" @@ -138,10 +138,10 @@ static void mxs_dma_reset_chan(struct mxs_dma_chan *mxs_chan) if (dma_is_apbh() && apbh_is_old()) writel(1 << (chan_id + BP_APBH_CTRL0_RESET_CHANNEL), - mxs_dma->base + HW_APBHX_CTRL0 + MXS_SET_ADDR); + mxs_dma->base + HW_APBHX_CTRL0 + STMP_OFFSET_REG_SET); else writel(1 << (chan_id + BP_APBHX_CHANNEL_CTRL_RESET_CHANNEL), - mxs_dma->base + HW_APBHX_CHANNEL_CTRL + MXS_SET_ADDR); + mxs_dma->base + HW_APBHX_CHANNEL_CTRL + STMP_OFFSET_REG_SET); } static void mxs_dma_enable_chan(struct mxs_dma_chan *mxs_chan) @@ -170,10 +170,10 @@ static void mxs_dma_pause_chan(struct mxs_dma_chan *mxs_chan) /* freeze the channel */ if (dma_is_apbh() && apbh_is_old()) writel(1 << chan_id, - mxs_dma->base + HW_APBHX_CTRL0 + MXS_SET_ADDR); + mxs_dma->base + HW_APBHX_CTRL0 + STMP_OFFSET_REG_SET); else writel(1 << chan_id, - mxs_dma->base + HW_APBHX_CHANNEL_CTRL + MXS_SET_ADDR); + mxs_dma->base + HW_APBHX_CHANNEL_CTRL + STMP_OFFSET_REG_SET); mxs_chan->status = DMA_PAUSED; } @@ -186,10 +186,10 @@ static void mxs_dma_resume_chan(struct mxs_dma_chan *mxs_chan) /* unfreeze the channel */ if (dma_is_apbh() && apbh_is_old()) writel(1 << chan_id, - mxs_dma->base + HW_APBHX_CTRL0 + MXS_CLR_ADDR); + mxs_dma->base + HW_APBHX_CTRL0 + STMP_OFFSET_REG_CLR); else writel(1 << chan_id, - mxs_dma->base + HW_APBHX_CHANNEL_CTRL + MXS_CLR_ADDR); + mxs_dma->base + HW_APBHX_CHANNEL_CTRL + STMP_OFFSET_REG_CLR); mxs_chan->status = DMA_IN_PROGRESS; } @@ -220,11 +220,11 @@ static irqreturn_t mxs_dma_int_handler(int irq, void *dev_id) /* completion status */ stat1 = readl(mxs_dma->base + HW_APBHX_CTRL1); stat1 &= MXS_DMA_CHANNELS_MASK; - writel(stat1, mxs_dma->base + HW_APBHX_CTRL1 + MXS_CLR_ADDR); + writel(stat1, mxs_dma->base + HW_APBHX_CTRL1 + STMP_OFFSET_REG_CLR); /* error status */ stat2 = readl(mxs_dma->base + HW_APBHX_CTRL2); - writel(stat2, mxs_dma->base + HW_APBHX_CTRL2 + MXS_CLR_ADDR); + writel(stat2, mxs_dma->base + HW_APBHX_CTRL2 + STMP_OFFSET_REG_CLR); /* * When both completion and error of termination bits set at the @@ -567,7 +567,7 @@ static int __init mxs_dma_init(struct mxs_dma_engine *mxs_dma) if (ret) return ret; - ret = mxs_reset_block(mxs_dma->base); + ret = stmp_reset_block(mxs_dma->base); if (ret) goto err_out; @@ -580,14 +580,14 @@ static int __init mxs_dma_init(struct mxs_dma_engine *mxs_dma) /* enable apbh burst */ if (dma_is_apbh()) { writel(BM_APBH_CTRL0_APB_BURST_EN, - mxs_dma->base + HW_APBHX_CTRL0 + MXS_SET_ADDR); + mxs_dma->base + HW_APBHX_CTRL0 + STMP_OFFSET_REG_SET); writel(BM_APBH_CTRL0_APB_BURST8_EN, - mxs_dma->base + HW_APBHX_CTRL0 + MXS_SET_ADDR); + mxs_dma->base + HW_APBHX_CTRL0 + STMP_OFFSET_REG_SET); } /* enable irq for all the channels */ writel(MXS_DMA_CHANNELS_MASK << MXS_DMA_CHANNELS, - mxs_dma->base + HW_APBHX_CTRL1 + MXS_SET_ADDR); + mxs_dma->base + HW_APBHX_CTRL1 + STMP_OFFSET_REG_SET); err_out: clk_disable_unprepare(mxs_dma->clk); |