/*******************************************************************************
- Copyright(c) 1999 - 2003 Intel Corporation. All rights reserved.
+ Copyright(c) 1999 - 2004 Intel Corporation. All rights reserved.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the Free
Contact Information:
Linux NICS <linux.nics@intel.com>
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+
*******************************************************************************/
#include "ixgb_hw.h"
#include "ixgb_ee.h"
/* Local prototypes */
-static u16 ixgb_shift_in_bits(struct ixgb_hw *hw);
+static uint16_t ixgb_shift_in_bits(struct ixgb_hw *hw);
static void ixgb_shift_out_bits(struct ixgb_hw *hw,
- u16 data, u16 count);
+ uint16_t data, uint16_t count);
static void ixgb_standby_eeprom(struct ixgb_hw *hw);
static boolean_t ixgb_wait_eeprom_command(struct ixgb_hw *hw);
* hw - Struct containing variables accessed by shared code
* eecd_reg - EECD's current value
*****************************************************************************/
-static void
-ixgb_raise_clock(struct ixgb_hw *hw, u32 * eecd_reg)
+static void ixgb_raise_clock(struct ixgb_hw *hw, uint32_t * eecd_reg)
{
/* Raise the clock input to the EEPROM (by setting the SK bit), and then
* wait 50 microseconds.
/******************************************************************************
* Lowers the EEPROM's clock input.
*
- * hw - Struct containing variables accessed by shared code
+ * hw - Struct containing variables accessed by shared code
* eecd_reg - EECD's current value
*****************************************************************************/
-static void
-ixgb_lower_clock(struct ixgb_hw *hw, u32 * eecd_reg)
+static void ixgb_lower_clock(struct ixgb_hw *hw, uint32_t * eecd_reg)
{
- /* Lower the clock input to the EEPROM (by clearing the SK bit), and then
- * wait 50 microseconds.
+ /* Lower the clock input to the EEPROM (by clearing the SK bit), and then
+ * wait 50 microseconds.
*/
*eecd_reg = *eecd_reg & ~IXGB_EECD_SK;
IXGB_WRITE_REG(hw, EECD, *eecd_reg);
* count - number of bits to shift out
*****************************************************************************/
static void
-ixgb_shift_out_bits(struct ixgb_hw *hw, u16 data, u16 count)
+ixgb_shift_out_bits(struct ixgb_hw *hw, uint16_t data, uint16_t count)
{
- u32 eecd_reg;
- u32 mask;
+ uint32_t eecd_reg;
+ uint32_t mask;
/* We need to shift "count" bits out to the EEPROM. So, value in the
* "data" parameter will be shifted out to the EEPROM one bit at a time.
- * In order to do this, "data" must be broken down into bits.
+ * In order to do this, "data" must be broken down into bits.
*/
mask = 0x01 << (count - 1);
eecd_reg = IXGB_READ_REG(hw, EECD);
*
* hw - Struct containing variables accessed by shared code
*****************************************************************************/
-static u16
-ixgb_shift_in_bits(struct ixgb_hw *hw)
+static uint16_t ixgb_shift_in_bits(struct ixgb_hw *hw)
{
- u32 eecd_reg;
- u32 i;
- u16 data;
+ uint32_t eecd_reg;
+ uint32_t i;
+ uint16_t data;
- /* In order to read a register from the EEPROM, we need to shift 16 bits
+ /* In order to read a register from the EEPROM, we need to shift 16 bits
* in from the EEPROM. Bits are "shifted in" by raising the clock input to
* the EEPROM (setting the SK bit), and then reading the value of the "DO"
- * bit. During this "shifting in" process the "DI" bit should always be
+ * bit. During this "shifting in" process the "DI" bit should always be
* clear..
*/
*
* hw - Struct containing variables accessed by shared code
*
- * Lowers EEPROM clock. Clears input pin. Sets the chip select pin. This
+ * Lowers EEPROM clock. Clears input pin. Sets the chip select pin. This
* function should be called before issuing a command to the EEPROM.
*****************************************************************************/
-static void
-ixgb_setup_eeprom(struct ixgb_hw *hw)
+static void ixgb_setup_eeprom(struct ixgb_hw *hw)
{
- u32 eecd_reg;
+ uint32_t eecd_reg;
eecd_reg = IXGB_READ_REG(hw, EECD);
/******************************************************************************
* Returns EEPROM to a "standby" state
- *
+ *
* hw - Struct containing variables accessed by shared code
*****************************************************************************/
-static void
-ixgb_standby_eeprom(struct ixgb_hw *hw)
+static void ixgb_standby_eeprom(struct ixgb_hw *hw)
{
- u32 eecd_reg;
+ uint32_t eecd_reg;
eecd_reg = IXGB_READ_REG(hw, EECD);
*
* hw - Struct containing variables accessed by shared code
*****************************************************************************/
-static void
-ixgb_clock_eeprom(struct ixgb_hw *hw)
+static void ixgb_clock_eeprom(struct ixgb_hw *hw)
{
- u32 eecd_reg;
+ uint32_t eecd_reg;
eecd_reg = IXGB_READ_REG(hw, EECD);
*
* hw - Struct containing variables accessed by shared code
*****************************************************************************/
-static void
-ixgb_cleanup_eeprom(struct ixgb_hw *hw)
+static void ixgb_cleanup_eeprom(struct ixgb_hw *hw)
{
- u32 eecd_reg;
+ uint32_t eecd_reg;
eecd_reg = IXGB_READ_REG(hw, EECD);
* hw - Struct containing variables accessed by shared code
*
* The command is done when the EEPROM's data out pin goes high.
- *
+ *
* Returns:
* TRUE: EEPROM data pin is high before timeout.
* FALSE: Time expired.
*****************************************************************************/
-static boolean_t
-ixgb_wait_eeprom_command(struct ixgb_hw *hw)
+static boolean_t ixgb_wait_eeprom_command(struct ixgb_hw *hw)
{
- u32 eecd_reg;
- u32 i;
+ uint32_t eecd_reg;
+ uint32_t i;
- /* Toggle the CS line. This in effect tells to EEPROM to actually execute
+ /* Toggle the CS line. This in effect tells to EEPROM to actually execute
* the command in question.
*/
ixgb_standby_eeprom(hw);
/******************************************************************************
* Verifies that the EEPROM has a valid checksum
- *
+ *
* hw - Struct containing variables accessed by shared code
*
* Reads the first 64 16 bit words of the EEPROM and sums the values read.
* TRUE: Checksum is valid
* FALSE: Checksum is not valid.
*****************************************************************************/
-boolean_t
-ixgb_validate_eeprom_checksum(struct ixgb_hw * hw)
+boolean_t ixgb_validate_eeprom_checksum(struct ixgb_hw * hw)
{
- u16 checksum = 0;
- u16 i;
+ uint16_t checksum = 0;
+ uint16_t i;
for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++)
checksum += ixgb_read_eeprom(hw, i);
- if (checksum == (u16) EEPROM_SUM)
+ if (checksum == (uint16_t) EEPROM_SUM)
return (TRUE);
else
return (FALSE);
* Sums the first 63 16 bit words of the EEPROM. Subtracts the sum from 0xBABA.
* Writes the difference to word offset 63 of the EEPROM.
*****************************************************************************/
-void
-ixgb_update_eeprom_checksum(struct ixgb_hw *hw)
+void ixgb_update_eeprom_checksum(struct ixgb_hw *hw)
{
- u16 checksum = 0;
- u16 i;
+ uint16_t checksum = 0;
+ uint16_t i;
for (i = 0; i < EEPROM_CHECKSUM_REG; i++)
checksum += ixgb_read_eeprom(hw, i);
- checksum = (u16) EEPROM_SUM - checksum;
+ checksum = (uint16_t) EEPROM_SUM - checksum;
ixgb_write_eeprom(hw, EEPROM_CHECKSUM_REG, checksum);
return;
* reg - offset within the EEPROM to be written to
* data - 16 bit word to be writen to the EEPROM
*
- * If ixgb_update_eeprom_checksum is not called after this function, the
+ * If ixgb_update_eeprom_checksum is not called after this function, the
* EEPROM will most likely contain an invalid checksum.
*
*****************************************************************************/
-void
-ixgb_write_eeprom(struct ixgb_hw *hw, u16 offset, u16 data)
+void ixgb_write_eeprom(struct ixgb_hw *hw, uint16_t offset, uint16_t data)
{
/* Prepare the EEPROM for writing */
ixgb_setup_eeprom(hw);
/* Send the 9-bit EWEN (write enable) command to the EEPROM (5-bit opcode
- * plus 4-bit dummy). This puts the EEPROM into write/erase mode.
+ * plus 4-bit dummy). This puts the EEPROM into write/erase mode.
*/
ixgb_shift_out_bits(hw, EEPROM_EWEN_OPCODE, 5);
ixgb_shift_out_bits(hw, 0, 4);
* Returns:
* The 16-bit value read from the eeprom
*****************************************************************************/
-u16
-ixgb_read_eeprom(struct ixgb_hw * hw, u16 offset)
+uint16_t ixgb_read_eeprom(struct ixgb_hw * hw, uint16_t offset)
{
- u16 data;
+ uint16_t data;
/* Prepare the EEPROM for reading */
ixgb_setup_eeprom(hw);
/* Send the READ command (opcode + addr) */
ixgb_shift_out_bits(hw, EEPROM_READ_OPCODE, 3);
- /*
+ /*
* We have a 64 word EEPROM, there are 6 address bits
*/
ixgb_shift_out_bits(hw, offset, 6);
* Reads eeprom and stores data in shared structure.
* Validates eeprom checksum and eeprom signature.
*
- * hw - Struct containing variables accessed by shared code
+ * hw - Struct containing variables accessed by shared code
*
* Returns:
* TRUE: if eeprom read is successful
* FALSE: otherwise.
*****************************************************************************/
-boolean_t
-ixgb_get_eeprom_data(struct ixgb_hw * hw)
+boolean_t ixgb_get_eeprom_data(struct ixgb_hw * hw)
{
- u16 i;
- u16 checksum = 0;
+ uint16_t i;
+ uint16_t checksum = 0;
struct ixgb_ee_map_type *ee_map;
DEBUGFUNC("ixgb_get_eeprom_data");
- ee_map = (struct ixgb_ee_map_type *) hw->eeprom;
+ ee_map = (struct ixgb_ee_map_type *)hw->eeprom;
DEBUGOUT("ixgb_ee: Reading eeprom data\n");
for (i = 0; i < IXGB_EEPROM_SIZE; i++) {
- u16 ee_data;
+ uint16_t ee_data;
ee_data = ixgb_read_eeprom(hw, i);
checksum += ee_data;
hw->eeprom[i] = le16_to_cpu(ee_data);
}
- if (checksum != (u16) EEPROM_SUM) {
+ if (checksum != (uint16_t) EEPROM_SUM) {
DEBUGOUT("ixgb_ee: Checksum invalid.\n");
return (FALSE);
}
* Local function to check if the eeprom signature is good
* If the eeprom signature is good, calls ixgb)get_eeprom_data.
*
- * hw - Struct containing variables accessed by shared code
+ * hw - Struct containing variables accessed by shared code
*
* Returns:
* TRUE: eeprom signature was good and the eeprom read was successful
* FALSE: otherwise.
******************************************************************************/
-static boolean_t
-ixgb_check_and_get_eeprom_data(struct ixgb_hw *hw)
+static boolean_t ixgb_check_and_get_eeprom_data(struct ixgb_hw *hw)
{
- struct ixgb_ee_map_type *ee_map =
- (struct ixgb_ee_map_type *) hw->eeprom;
+ struct ixgb_ee_map_type *ee_map = (struct ixgb_ee_map_type *)hw->eeprom;
if ((ee_map->init_ctrl_reg_1 & le16_to_cpu(EEPROM_ICW1_SIGNATURE_MASK))
== le16_to_cpu(EEPROM_ICW1_SIGNATURE_VALID)) {
}
}
+/******************************************************************************
+ * return a word from the eeprom
+ *
+ * hw - Struct containing variables accessed by shared code
+ * index - Offset of eeprom word
+ *
+ * Returns:
+ * Word at indexed offset in eeprom, if valid, 0 otherwise.
+ ******************************************************************************/
+uint16_t ixgb_get_eeprom_word(struct ixgb_hw * hw, uint16_t index)
+{
+
+ if ((index < IXGB_EEPROM_SIZE) &&
+ (ixgb_check_and_get_eeprom_data(hw) == TRUE)) {
+ return (hw->eeprom[index]);
+ }
+
+ return (0);
+}
+
/******************************************************************************
* return the mac address from EEPROM
*
- * hw - Struct containing variables accessed by shared code
+ * hw - Struct containing variables accessed by shared code
* mac_addr - Ethernet Address if EEPROM contents are valid, 0 otherwise
*
* Returns: None.
******************************************************************************/
-void
-ixgb_get_ee_mac_addr(struct ixgb_hw *hw, u8 * mac_addr)
+void ixgb_get_ee_mac_addr(struct ixgb_hw *hw, uint8_t * mac_addr)
{
int i;
- struct ixgb_ee_map_type *ee_map =
- (struct ixgb_ee_map_type *) hw->eeprom;
+ struct ixgb_ee_map_type *ee_map = (struct ixgb_ee_map_type *)hw->eeprom;
DEBUGFUNC("ixgb_get_ee_mac_addr");
/******************************************************************************
* return the compatibility flags from EEPROM
*
- * hw - Struct containing variables accessed by shared code
+ * hw - Struct containing variables accessed by shared code
*
- * Returns:
+ * Returns:
* compatibility flags if EEPROM contents are valid, 0 otherwise
******************************************************************************/
-u16
-ixgb_get_ee_compatibility(struct ixgb_hw *hw)
+uint16_t ixgb_get_ee_compatibility(struct ixgb_hw *hw)
{
- struct ixgb_ee_map_type *ee_map =
- (struct ixgb_ee_map_type *) hw->eeprom;
+ struct ixgb_ee_map_type *ee_map = (struct ixgb_ee_map_type *)hw->eeprom;
if (ixgb_check_and_get_eeprom_data(hw) == TRUE)
return (ee_map->compatibility);
/******************************************************************************
* return the Printed Board Assembly number from EEPROM
*
- * hw - Struct containing variables accessed by shared code
+ * hw - Struct containing variables accessed by shared code
*
- * Returns:
+ * Returns:
* PBA number if EEPROM contents are valid, 0 otherwise
******************************************************************************/
-u32
-ixgb_get_ee_pba_number(struct ixgb_hw * hw)
+uint32_t ixgb_get_ee_pba_number(struct ixgb_hw * hw)
{
if (ixgb_check_and_get_eeprom_data(hw) == TRUE)
return (le16_to_cpu(hw->eeprom[EEPROM_PBA_1_2_REG])
* Returns:
* Initialization Control Word 1 if EEPROM contents are valid, 0 otherwise
******************************************************************************/
-u16
-ixgb_get_ee_init_ctrl_reg_1(struct ixgb_hw * hw)
+uint16_t ixgb_get_ee_init_ctrl_reg_1(struct ixgb_hw * hw)
{
- struct ixgb_ee_map_type *ee_map =
- (struct ixgb_ee_map_type *) hw->eeprom;
+ struct ixgb_ee_map_type *ee_map = (struct ixgb_ee_map_type *)hw->eeprom;
if (ixgb_check_and_get_eeprom_data(hw) == TRUE)
return (ee_map->init_ctrl_reg_1);
/******************************************************************************
* return the Initialization Control Word 2 from EEPROM
*
- * hw - Struct containing variables accessed by shared code
+ * hw - Struct containing variables accessed by shared code
*
- * Returns:
+ * Returns:
* Initialization Control Word 2 if EEPROM contents are valid, 0 otherwise
******************************************************************************/
-u16
-ixgb_get_ee_init_ctrl_reg_2(struct ixgb_hw * hw)
+uint16_t ixgb_get_ee_init_ctrl_reg_2(struct ixgb_hw * hw)
{
- struct ixgb_ee_map_type *ee_map =
- (struct ixgb_ee_map_type *) hw->eeprom;
+ struct ixgb_ee_map_type *ee_map = (struct ixgb_ee_map_type *)hw->eeprom;
if (ixgb_check_and_get_eeprom_data(hw) == TRUE)
return (ee_map->init_ctrl_reg_2);
/******************************************************************************
* return the Subsystem Id from EEPROM
*
- * hw - Struct containing variables accessed by shared code
+ * hw - Struct containing variables accessed by shared code
*
- * Returns:
+ * Returns:
* Subsystem Id if EEPROM contents are valid, 0 otherwise
******************************************************************************/
-u16
-ixgb_get_ee_subsystem_id(struct ixgb_hw * hw)
+uint16_t ixgb_get_ee_subsystem_id(struct ixgb_hw * hw)
{
- struct ixgb_ee_map_type *ee_map =
- (struct ixgb_ee_map_type *) hw->eeprom;
+ struct ixgb_ee_map_type *ee_map = (struct ixgb_ee_map_type *)hw->eeprom;
if (ixgb_check_and_get_eeprom_data(hw) == TRUE)
return (ee_map->subsystem_id);
/******************************************************************************
* return the Sub Vendor Id from EEPROM
*
- * hw - Struct containing variables accessed by shared code
+ * hw - Struct containing variables accessed by shared code
*
- * Returns:
+ * Returns:
* Sub Vendor Id if EEPROM contents are valid, 0 otherwise
******************************************************************************/
-u16
-ixgb_get_ee_subvendor_id(struct ixgb_hw * hw)
+uint16_t ixgb_get_ee_subvendor_id(struct ixgb_hw * hw)
{
- struct ixgb_ee_map_type *ee_map =
- (struct ixgb_ee_map_type *) hw->eeprom;
+ struct ixgb_ee_map_type *ee_map = (struct ixgb_ee_map_type *)hw->eeprom;
if (ixgb_check_and_get_eeprom_data(hw) == TRUE)
return (ee_map->subvendor_id);
/******************************************************************************
* return the Device Id from EEPROM
*
- * hw - Struct containing variables accessed by shared code
+ * hw - Struct containing variables accessed by shared code
*
- * Returns:
+ * Returns:
* Device Id if EEPROM contents are valid, 0 otherwise
******************************************************************************/
-u16
-ixgb_get_ee_device_id(struct ixgb_hw * hw)
+uint16_t ixgb_get_ee_device_id(struct ixgb_hw * hw)
{
- struct ixgb_ee_map_type *ee_map =
- (struct ixgb_ee_map_type *) hw->eeprom;
+ struct ixgb_ee_map_type *ee_map = (struct ixgb_ee_map_type *)hw->eeprom;
if (ixgb_check_and_get_eeprom_data(hw) == TRUE)
return (ee_map->device_id);
/******************************************************************************
* return the Vendor Id from EEPROM
*
- * hw - Struct containing variables accessed by shared code
+ * hw - Struct containing variables accessed by shared code
*
- * Returns:
+ * Returns:
* Device Id if EEPROM contents are valid, 0 otherwise
******************************************************************************/
-u16
-ixgb_get_ee_vendor_id(struct ixgb_hw * hw)
+uint16_t ixgb_get_ee_vendor_id(struct ixgb_hw * hw)
{
- struct ixgb_ee_map_type *ee_map =
- (struct ixgb_ee_map_type *) hw->eeprom;
+ struct ixgb_ee_map_type *ee_map = (struct ixgb_ee_map_type *)hw->eeprom;
if (ixgb_check_and_get_eeprom_data(hw) == TRUE)
return (ee_map->vendor_id);
/******************************************************************************
* return the Software Defined Pins Register from EEPROM
*
- * hw - Struct containing variables accessed by shared code
+ * hw - Struct containing variables accessed by shared code
*
- * Returns:
+ * Returns:
* SDP Register if EEPROM contents are valid, 0 otherwise
******************************************************************************/
-u16
-ixgb_get_ee_swdpins_reg(struct ixgb_hw * hw)
+uint16_t ixgb_get_ee_swdpins_reg(struct ixgb_hw * hw)
{
- struct ixgb_ee_map_type *ee_map =
- (struct ixgb_ee_map_type *) hw->eeprom;
+ struct ixgb_ee_map_type *ee_map = (struct ixgb_ee_map_type *)hw->eeprom;
if (ixgb_check_and_get_eeprom_data(hw) == TRUE)
return (ee_map->swdpins_reg);
/******************************************************************************
* return the D3 Power Management Bits from EEPROM
*
- * hw - Struct containing variables accessed by shared code
+ * hw - Struct containing variables accessed by shared code
*
- * Returns:
+ * Returns:
* D3 Power Management Bits if EEPROM contents are valid, 0 otherwise
******************************************************************************/
-u8
-ixgb_get_ee_d3_power(struct ixgb_hw * hw)
+uint8_t ixgb_get_ee_d3_power(struct ixgb_hw * hw)
{
- struct ixgb_ee_map_type *ee_map =
- (struct ixgb_ee_map_type *) hw->eeprom;
+ struct ixgb_ee_map_type *ee_map = (struct ixgb_ee_map_type *)hw->eeprom;
if (ixgb_check_and_get_eeprom_data(hw) == TRUE)
return (ee_map->d3_power);
/******************************************************************************
* return the D0 Power Management Bits from EEPROM
*
- * hw - Struct containing variables accessed by shared code
+ * hw - Struct containing variables accessed by shared code
*
- * Returns:
+ * Returns:
* D0 Power Management Bits if EEPROM contents are valid, 0 otherwise
******************************************************************************/
-u8
-ixgb_get_ee_d0_power(struct ixgb_hw * hw)
+uint8_t ixgb_get_ee_d0_power(struct ixgb_hw * hw)
{
- struct ixgb_ee_map_type *ee_map =
- (struct ixgb_ee_map_type *) hw->eeprom;
+ struct ixgb_ee_map_type *ee_map = (struct ixgb_ee_map_type *)hw->eeprom;
if (ixgb_check_and_get_eeprom_data(hw) == TRUE)
return (ee_map->d0_power);
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