+#define SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V1 34
+
+static void sdma_add_scripts(struct sdma_engine *sdma,
+ const struct sdma_script_start_addrs *addr)
+{
+ s32 *addr_arr = (u32 *)addr;
+ s32 *saddr_arr = (u32 *)sdma->script_addrs;
+ int i;
+
+ for (i = 0; i < SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V1; i++)
+ if (addr_arr[i] > 0)
+ saddr_arr[i] = addr_arr[i];
+}
+
+static int __init sdma_get_firmware(struct sdma_engine *sdma,
+ const char *cpu_name, int to_version)
+{
+ const struct firmware *fw;
+ char *fwname;
+ const struct sdma_firmware_header *header;
+ int ret;
+ const struct sdma_script_start_addrs *addr;
+ unsigned short *ram_code;
+
+ fwname = kasprintf(GFP_KERNEL, "sdma-%s-to%d.bin", cpu_name, to_version);
+ if (!fwname)
+ return -ENOMEM;
+
+ ret = request_firmware(&fw, fwname, sdma->dev);
+ if (ret) {
+ kfree(fwname);
+ return ret;
+ }
+ kfree(fwname);
+
+ if (fw->size < sizeof(*header))
+ goto err_firmware;
+
+ header = (struct sdma_firmware_header *)fw->data;
+
+ if (header->magic != SDMA_FIRMWARE_MAGIC)
+ goto err_firmware;
+ if (header->ram_code_start + header->ram_code_size > fw->size)
+ goto err_firmware;
+
+ addr = (void *)header + header->script_addrs_start;
+ ram_code = (void *)header + header->ram_code_start;
+
+ clk_enable(sdma->clk);
+ /* download the RAM image for SDMA */
+ sdma_load_script(sdma, ram_code,
+ header->ram_code_size,
+ sdma->script_addrs->ram_code_start_addr);
+ clk_disable(sdma->clk);
+
+ sdma_add_scripts(sdma, addr);
+
+ dev_info(sdma->dev, "loaded firmware %d.%d\n",
+ header->version_major,
+ header->version_minor);
+
+err_firmware:
+ release_firmware(fw);
+
+ return ret;
+}
+
+static int __init sdma_init(struct sdma_engine *sdma)