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Diffstat (limited to 'sound/soc/intel/sst-haswell-dsp.c')
-rw-r--r--sound/soc/intel/sst-haswell-dsp.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/sound/soc/intel/sst-haswell-dsp.c b/sound/soc/intel/sst-haswell-dsp.c
index 57039b00efc2..c42ffae5fe9f 100644
--- a/sound/soc/intel/sst-haswell-dsp.c
+++ b/sound/soc/intel/sst-haswell-dsp.c
@@ -306,7 +306,7 @@ static void hsw_reset(struct sst_dsp *sst)
static int hsw_set_dsp_D0(struct sst_dsp *sst)
{
int tries = 10;
- u32 reg;
+ u32 reg, fw_dump_bit;
/* Disable core clock gating (VDRTCTL2.DCLCGE = 0) */
reg = readl(sst->addr.pci_cfg + SST_VDRTCTL2);
@@ -368,7 +368,9 @@ finish:
can't be accessed, please enable each block before accessing. */
reg = readl(sst->addr.pci_cfg + SST_VDRTCTL0);
reg |= SST_VDRTCL0_DSRAMPGE_MASK | SST_VDRTCL0_ISRAMPGE_MASK;
- writel(reg, sst->addr.pci_cfg + SST_VDRTCTL0);
+ /* for D0, always enable the block(DSRAM[0]) used for FW dump */
+ fw_dump_bit = 1 << SST_VDRTCL0_DSRAMPGE_SHIFT;
+ writel(reg & ~fw_dump_bit, sst->addr.pci_cfg + SST_VDRTCTL0);
/* disable DMA finish function for SSP0 & SSP1 */
@@ -491,6 +493,7 @@ static const struct sst_sram_shift sram_shift[] = {
{SST_DEV_ID_LYNX_POINT, 6, 16}, /* lp */
{SST_DEV_ID_WILDCAT_POINT, 2, 12}, /* wpt */
};
+
static u32 hsw_block_get_bit(struct sst_mem_block *block)
{
u32 bit = 0, shift = 0, index;
@@ -587,7 +590,9 @@ static int hsw_block_disable(struct sst_mem_block *block)
val = readl(sst->addr.pci_cfg + SST_VDRTCTL0);
bit = hsw_block_get_bit(block);
- writel(val | bit, sst->addr.pci_cfg + SST_VDRTCTL0);
+ /* don't disable DSRAM[0], keep it always enable for FW dump*/
+ if (bit != (1 << SST_VDRTCL0_DSRAMPGE_SHIFT))
+ writel(val | bit, sst->addr.pci_cfg + SST_VDRTCTL0);
/* wait 18 DSP clock ticks */
udelay(10);
@@ -612,7 +617,7 @@ static int hsw_init(struct sst_dsp *sst, struct sst_pdata *pdata)
const struct sst_adsp_memregion *region;
struct device *dev;
int ret = -ENODEV, i, j, region_count;
- u32 offset, size;
+ u32 offset, size, fw_dump_bit;
dev = sst->dma_dev;
@@ -669,9 +674,11 @@ static int hsw_init(struct sst_dsp *sst, struct sst_pdata *pdata)
}
}
+ /* always enable the block(DSRAM[0]) used for FW dump */
+ fw_dump_bit = 1 << SST_VDRTCL0_DSRAMPGE_SHIFT;
/* set default power gating control, enable power gating control for all blocks. that is,
can't be accessed, please enable each block before accessing. */
- writel(0xffffffff, sst->addr.pci_cfg + SST_VDRTCTL0);
+ writel(0xffffffff & ~fw_dump_bit, sst->addr.pci_cfg + SST_VDRTCTL0);
return 0;
}