iwlwifi: code cleanup for "load ucode" function
Loading uCode functions are shared across multiple agn devices.
Move those functions to iwl-agn-ucode.c file with other uCode
related functions.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
index 67f15c0..f57a4f8 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
@@ -30,9 +30,111 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
+#include <linux/sched.h>
#include "iwl-dev.h"
#include "iwl-core.h"
+#include "iwl-io.h"
+#include "iwl-5000-hw.h"
+
+/*
+ * ucode
+ */
+static int iwlagn_load_section(struct iwl_priv *priv, const char *name,
+ struct fw_desc *image, u32 dst_addr)
+{
+ dma_addr_t phy_addr = image->p_addr;
+ u32 byte_cnt = image->len;
+ int ret;
+
+ priv->ucode_write_complete = 0;
+
+ iwl_write_direct32(priv,
+ FH_TCSR_CHNL_TX_CONFIG_REG(FH_SRVC_CHNL),
+ FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE);
+
+ iwl_write_direct32(priv,
+ FH_SRVC_CHNL_SRAM_ADDR_REG(FH_SRVC_CHNL), dst_addr);
+
+ iwl_write_direct32(priv,
+ FH_TFDIB_CTRL0_REG(FH_SRVC_CHNL),
+ phy_addr & FH_MEM_TFDIB_DRAM_ADDR_LSB_MSK);
+
+ iwl_write_direct32(priv,
+ FH_TFDIB_CTRL1_REG(FH_SRVC_CHNL),
+ (iwl_get_dma_hi_addr(phy_addr)
+ << FH_MEM_TFDIB_REG1_ADDR_BITSHIFT) | byte_cnt);
+
+ iwl_write_direct32(priv,
+ FH_TCSR_CHNL_TX_BUF_STS_REG(FH_SRVC_CHNL),
+ 1 << FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_NUM |
+ 1 << FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_IDX |
+ FH_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_VALID);
+
+ iwl_write_direct32(priv,
+ FH_TCSR_CHNL_TX_CONFIG_REG(FH_SRVC_CHNL),
+ FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE |
+ FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE |
+ FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_ENDTFD);
+
+ IWL_DEBUG_INFO(priv, "%s uCode section being loaded...\n", name);
+ ret = wait_event_interruptible_timeout(priv->wait_command_queue,
+ priv->ucode_write_complete, 5 * HZ);
+ if (ret == -ERESTARTSYS) {
+ IWL_ERR(priv, "Could not load the %s uCode section due "
+ "to interrupt\n", name);
+ return ret;
+ }
+ if (!ret) {
+ IWL_ERR(priv, "Could not load the %s uCode section\n",
+ name);
+ return -ETIMEDOUT;
+ }
+
+ return 0;
+}
+
+static int iwlagn_load_given_ucode(struct iwl_priv *priv,
+ struct fw_desc *inst_image,
+ struct fw_desc *data_image)
+{
+ int ret = 0;
+
+ ret = iwlagn_load_section(priv, "INST", inst_image,
+ IWL50_RTC_INST_LOWER_BOUND);
+ if (ret)
+ return ret;
+
+ return iwlagn_load_section(priv, "DATA", data_image,
+ IWL50_RTC_DATA_LOWER_BOUND);
+}
+
+int iwlagn_load_ucode(struct iwl_priv *priv)
+{
+ int ret = 0;
+
+ /* check whether init ucode should be loaded, or rather runtime ucode */
+ if (priv->ucode_init.len && (priv->ucode_type == UCODE_NONE)) {
+ IWL_DEBUG_INFO(priv, "Init ucode found. Loading init ucode...\n");
+ ret = iwlagn_load_given_ucode(priv,
+ &priv->ucode_init, &priv->ucode_init_data);
+ if (!ret) {
+ IWL_DEBUG_INFO(priv, "Init ucode load complete.\n");
+ priv->ucode_type = UCODE_INIT;
+ }
+ } else {
+ IWL_DEBUG_INFO(priv, "Init ucode not found, or already loaded. "
+ "Loading runtime ucode...\n");
+ ret = iwlagn_load_given_ucode(priv,
+ &priv->ucode_code, &priv->ucode_data);
+ if (!ret) {
+ IWL_DEBUG_INFO(priv, "Runtime ucode load complete.\n");
+ priv->ucode_type = UCODE_RT;
+ }
+ }
+
+ return ret;
+}
#define IWL_UCODE_GET(item) \
static u32 iwlagn_ucode_get_##item(const struct iwl_ucode_header *ucode,\