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igb: Add function to read i211's invm version

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The i211's one-time programmable (invm) version field is different than the
other fields contained in it.  This patch adds a function to get the invm version
of it and store it for output from ethtool.

Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Carolyn Wyborny 2012-10-23 13:04:37 +00:00 committed by Jeff Kirsher
parent 40b20122f9
commit 09e77287e7
4 changed files with 107 additions and 0 deletions
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94
drivers/net/ethernet/intel/igb/e1000_i210.c
View File

@ -422,6 +422,100 @@ s32 igb_read_invm_i211(struct e1000_hw *hw, u16 address, u16 *data)
return status;
}
/**
* igb_read_invm_version - Reads iNVM version and image type
* @hw: pointer to the HW structure
* @invm_ver: version structure for the version read
*
* Reads iNVM version and image type.
**/
s32 igb_read_invm_version(struct e1000_hw *hw,
struct e1000_fw_version *invm_ver) {
u32 *record = NULL;
u32 *next_record = NULL;
u32 i = 0;
u32 invm_dword = 0;
u32 invm_blocks = E1000_INVM_SIZE - (E1000_INVM_ULT_BYTES_SIZE /
E1000_INVM_RECORD_SIZE_IN_BYTES);
u32 buffer[E1000_INVM_SIZE];
s32 status = -E1000_ERR_INVM_VALUE_NOT_FOUND;
u16 version = 0;
/* Read iNVM memory */
for (i = 0; i < E1000_INVM_SIZE; i++) {
invm_dword = rd32(E1000_INVM_DATA_REG(i));
buffer[i] = invm_dword;
}
/* Read version number */
for (i = 1; i < invm_blocks; i++) {
record = &buffer[invm_blocks - i];
next_record = &buffer[invm_blocks - i + 1];
/* Check if we have first version location used */
if ((i == 1) && ((*record & E1000_INVM_VER_FIELD_ONE) == 0)) {
version = 0;
status = E1000_SUCCESS;
break;
}
/* Check if we have second version location used */
else if ((i == 1) &&
((*record & E1000_INVM_VER_FIELD_TWO) == 0)) {
version = (*record & E1000_INVM_VER_FIELD_ONE) >> 3;
status = E1000_SUCCESS;
break;
}
/* Check if we have odd version location
* used and it is the last one used
*/
else if ((((*record & E1000_INVM_VER_FIELD_ONE) == 0) &&
((*record & 0x3) == 0)) || (((*record & 0x3) != 0) &&
(i != 1))) {
version = (*next_record & E1000_INVM_VER_FIELD_TWO)
>> 13;
status = E1000_SUCCESS;
break;
}
/* Check if we have even version location
* used and it is the last one used
*/
else if (((*record & E1000_INVM_VER_FIELD_TWO) == 0) &&
((*record & 0x3) == 0)) {
version = (*record & E1000_INVM_VER_FIELD_ONE) >> 3;
status = E1000_SUCCESS;
break;
}
}
if (status == E1000_SUCCESS) {
invm_ver->invm_major = (version & E1000_INVM_MAJOR_MASK)
>> E1000_INVM_MAJOR_SHIFT;
invm_ver->invm_minor = version & E1000_INVM_MINOR_MASK;
}
/* Read Image Type */
for (i = 1; i < invm_blocks; i++) {
record = &buffer[invm_blocks - i];
next_record = &buffer[invm_blocks - i + 1];
/* Check if we have image type in first location used */
if ((i == 1) && ((*record & E1000_INVM_IMGTYPE_FIELD) == 0)) {
invm_ver->invm_img_type = 0;
status = E1000_SUCCESS;
break;
}
/* Check if we have image type in first location used */
else if ((((*record & 0x3) == 0) &&
((*record & E1000_INVM_IMGTYPE_FIELD) == 0)) ||
((((*record & 0x3) != 0) && (i != 1)))) {
invm_ver->invm_img_type =
(*next_record & E1000_INVM_IMGTYPE_FIELD) >> 23;
status = E1000_SUCCESS;
break;
}
}
return status;
}
/**
* igb_validate_nvm_checksum_i210 - Validate EEPROM checksum
* @hw: pointer to the HW structure

11
drivers/net/ethernet/intel/igb/e1000_i210.h
View File

@ -43,6 +43,8 @@ extern void igb_release_nvm_i210(struct e1000_hw *hw);
extern s32 igb_valid_led_default_i210(struct e1000_hw *hw, u16 *data);
extern s32 igb_read_nvm_i211(struct e1000_hw *hw, u16 offset, u16 words,
u16 *data);
extern s32 igb_read_invm_version(struct e1000_hw *hw,
struct e1000_fw_version *invm_ver);
#define E1000_STM_OPCODE 0xDB00
#define E1000_EEPROM_FLASH_SIZE_WORD 0x11
@ -65,6 +67,15 @@ enum E1000_INVM_STRUCTURE_TYPE {
#define E1000_INVM_RSA_KEY_SHA256_DATA_SIZE_IN_DWORDS 8
#define E1000_INVM_CSR_AUTOLOAD_DATA_SIZE_IN_DWORDS 1
#define E1000_INVM_ULT_BYTES_SIZE 8
#define E1000_INVM_RECORD_SIZE_IN_BYTES 4
#define E1000_INVM_VER_FIELD_ONE 0x1FF8
#define E1000_INVM_VER_FIELD_TWO 0x7FE000
#define E1000_INVM_IMGTYPE_FIELD 0x1F800000
#define E1000_INVM_MAJOR_MASK 0x3F0
#define E1000_INVM_MINOR_MASK 0xF
#define E1000_INVM_MAJOR_SHIFT 4
#define ID_LED_DEFAULT_I210 ((ID_LED_OFF1_ON2 << 8) | \
(ID_LED_OFF1_OFF2 << 4) | \

1
drivers/net/ethernet/intel/igb/e1000_mac.h
View File

@ -33,6 +33,7 @@
#include "e1000_phy.h"
#include "e1000_nvm.h"
#include "e1000_defines.h"
#include "e1000_i210.h"
/*
* Functions that should not be called directly from drivers but can be used

1
drivers/net/ethernet/intel/igb/e1000_nvm.c
View File

@ -727,6 +727,7 @@ void igb_get_fw_version(struct e1000_hw *hw, struct e1000_fw_version *fw_vers)
switch (hw->mac.type) {
case e1000_i211:
igb_read_invm_version(hw, fw_vers);
return;
case e1000_82575:
case e1000_82576: