iwlwifi: mvm: new NVM format in family 8000
Support the changes below:
- Fields and sections structure were changed.
- the NVM file built from DWord instead of Words.
- sections header format was changed.
Signed-off-by: Eran Harary <eran.harary@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/mvm/nvm.c b/drivers/net/wireless/iwlwifi/mvm/nvm.c
index 2d5251b..e80e81a 100644
--- a/drivers/net/wireless/iwlwifi/mvm/nvm.c
+++ b/drivers/net/wireless/iwlwifi/mvm/nvm.c
@@ -228,13 +228,23 @@
iwl_parse_nvm_sections(struct iwl_mvm *mvm)
{
struct iwl_nvm_section *sections = mvm->nvm_sections;
- const __le16 *hw, *sw, *calib;
+ const __le16 *hw, *sw, *calib, *regulatory, *mac_override;
/* Checking for required sections */
- if (!mvm->nvm_sections[NVM_SECTION_TYPE_SW].data ||
- !mvm->nvm_sections[mvm->cfg->nvm_hw_section_num].data) {
- IWL_ERR(mvm, "Can't parse empty NVM sections\n");
- return NULL;
+ if (mvm->trans->cfg->device_family != IWL_DEVICE_FAMILY_8000) {
+ if (!mvm->nvm_sections[NVM_SECTION_TYPE_SW].data ||
+ !mvm->nvm_sections[mvm->cfg->nvm_hw_section_num].data) {
+ IWL_ERR(mvm, "Can't parse empty NVM sections\n");
+ return NULL;
+ }
+ } else {
+ if (!mvm->nvm_sections[NVM_SECTION_TYPE_SW].data ||
+ !mvm->nvm_sections[NVM_SECTION_TYPE_MAC_OVERRIDE].data ||
+ !mvm->nvm_sections[NVM_SECTION_TYPE_REGULATORY].data) {
+ IWL_ERR(mvm,
+ "Can't parse empty family 8000 NVM sections\n");
+ return NULL;
+ }
}
if (WARN_ON(!mvm->cfg))
@@ -243,7 +253,12 @@
hw = (const __le16 *)sections[mvm->cfg->nvm_hw_section_num].data;
sw = (const __le16 *)sections[NVM_SECTION_TYPE_SW].data;
calib = (const __le16 *)sections[NVM_SECTION_TYPE_CALIBRATION].data;
+ regulatory = (const __le16 *)sections[NVM_SECTION_TYPE_REGULATORY].data;
+ mac_override =
+ (const __le16 *)sections[NVM_SECTION_TYPE_MAC_OVERRIDE].data;
+
return iwl_parse_nvm_data(mvm->trans->dev, mvm->cfg, hw, sw, calib,
+ regulatory, mac_override,
iwl_fw_valid_tx_ant(mvm->fw),
iwl_fw_valid_rx_ant(mvm->fw));
}
@@ -285,6 +300,8 @@
#define NVM_WORD1_LEN(x) (8 * (x & 0x03FF))
#define NVM_WORD2_ID(x) (x >> 12)
+#define NVM_WORD2_LEN_FAMILY_8000(x) (2 * ((x & 0xFF) << 8 | x >> 8))
+#define NVM_WORD1_ID_FAMILY_8000(x) (x >> 4)
IWL_DEBUG_EEPROM(mvm->trans->dev, "Read from external NVM\n");
@@ -335,8 +352,16 @@
break;
}
- section_size = 2 * NVM_WORD1_LEN(le16_to_cpu(file_sec->word1));
- section_id = NVM_WORD2_ID(le16_to_cpu(file_sec->word2));
+ if (mvm->trans->cfg->device_family != IWL_DEVICE_FAMILY_8000) {
+ section_size =
+ 2 * NVM_WORD1_LEN(le16_to_cpu(file_sec->word1));
+ section_id = NVM_WORD2_ID(le16_to_cpu(file_sec->word2));
+ } else {
+ section_size = 2 * NVM_WORD2_LEN_FAMILY_8000(
+ le16_to_cpu(file_sec->word2));
+ section_id = NVM_WORD1_ID_FAMILY_8000(
+ le16_to_cpu(file_sec->word1));
+ }
if (section_size > IWL_MAX_NVM_SECTION_SIZE) {
IWL_ERR(mvm, "ERROR - section too large (%d)\n",
@@ -406,6 +431,8 @@
{
int ret, i, section;
u8 *nvm_buffer, *temp;
+ int nvm_to_read[NVM_MAX_NUM_SECTIONS];
+ int num_of_sections_to_read;
if (WARN_ON_ONCE(mvm->cfg->nvm_hw_section_num >= NVM_MAX_NUM_SECTIONS))
return -EINVAL;
@@ -418,12 +445,20 @@
return ret;
} else {
/* list of NVM sections we are allowed/need to read */
- int nvm_to_read[] = {
- mvm->cfg->nvm_hw_section_num,
- NVM_SECTION_TYPE_SW,
- NVM_SECTION_TYPE_CALIBRATION,
- NVM_SECTION_TYPE_PRODUCTION,
- };
+ if (mvm->trans->cfg->device_family != IWL_DEVICE_FAMILY_8000) {
+ nvm_to_read[0] = mvm->cfg->nvm_hw_section_num;
+ nvm_to_read[1] = NVM_SECTION_TYPE_SW;
+ nvm_to_read[2] = NVM_SECTION_TYPE_CALIBRATION;
+ nvm_to_read[3] = NVM_SECTION_TYPE_PRODUCTION;
+ num_of_sections_to_read = 4;
+ } else {
+ nvm_to_read[0] = NVM_SECTION_TYPE_SW;
+ nvm_to_read[1] = NVM_SECTION_TYPE_CALIBRATION;
+ nvm_to_read[2] = NVM_SECTION_TYPE_PRODUCTION;
+ nvm_to_read[3] = NVM_SECTION_TYPE_REGULATORY;
+ nvm_to_read[4] = NVM_SECTION_TYPE_MAC_OVERRIDE;
+ num_of_sections_to_read = 5;
+ }
/* Read From FW NVM */
IWL_DEBUG_EEPROM(mvm->trans->dev, "Read from NVM\n");
@@ -433,7 +468,7 @@
GFP_KERNEL);
if (!nvm_buffer)
return -ENOMEM;
- for (i = 0; i < ARRAY_SIZE(nvm_to_read); i++) {
+ for (i = 0; i < num_of_sections_to_read; i++) {
section = nvm_to_read[i];
/* we override the constness for initial read */
ret = iwl_nvm_read_section(mvm, section, nvm_buffer);