diff options
Diffstat (limited to 'drivers/dma/imx-sdma.c')
| -rw-r--r-- | drivers/dma/imx-sdma.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index c75679d42028..f769c7383536 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -323,6 +323,7 @@ struct sdma_engine { struct clk *clk_ipg; struct clk *clk_ahb; spinlock_t channel_0_lock; + u32 script_number; struct sdma_script_start_addrs *script_addrs; const struct sdma_driver_data *drvdata; }; @@ -1238,6 +1239,7 @@ static void sdma_issue_pending(struct dma_chan *chan) } #define SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V1 34 +#define SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V2 38 static void sdma_add_scripts(struct sdma_engine *sdma, const struct sdma_script_start_addrs *addr) @@ -1246,7 +1248,7 @@ static void sdma_add_scripts(struct sdma_engine *sdma, s32 *saddr_arr = (u32 *)sdma->script_addrs; int i; - for (i = 0; i < SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V1; i++) + for (i = 0; i < sdma->script_number; i++) if (addr_arr[i] > 0) saddr_arr[i] = addr_arr[i]; } @@ -1272,6 +1274,17 @@ static void sdma_load_firmware(const struct firmware *fw, void *context) goto err_firmware; if (header->ram_code_start + header->ram_code_size > fw->size) goto err_firmware; + switch (header->version_major) { + case 1: + sdma->script_number = SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V1; + break; + case 2: + sdma->script_number = SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V2; + break; + default: + dev_err(sdma->dev, "unknown firmware version\n"); + goto err_firmware; + } addr = (void *)header + header->script_addrs_start; ram_code = (void *)header + header->ram_code_start; |