/*******************************************************************************
- Copyright(c) 1999 - 2004 Intel Corporation. All rights reserved.
+ Copyright(c) 1999 - 2005 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
static uint16_t ixgb_shift_in_bits(struct ixgb_hw *hw);
static void ixgb_shift_out_bits(struct ixgb_hw *hw,
- uint16_t data, uint16_t 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, uint32_t * 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.
* hw - Struct containing variables accessed by shared code
* eecd_reg - EECD's current value
*****************************************************************************/
-static void ixgb_lower_clock(struct ixgb_hw *hw, uint32_t * 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.
* count - number of bits to shift out
*****************************************************************************/
static void
-ixgb_shift_out_bits(struct ixgb_hw *hw, uint16_t data, uint16_t count)
+ixgb_shift_out_bits(struct ixgb_hw *hw,
+ uint16_t data,
+ uint16_t count)
{
uint32_t eecd_reg;
uint32_t mask;
*/
eecd_reg &= ~IXGB_EECD_DI;
- if (data & mask)
+ if(data & mask)
eecd_reg |= IXGB_EECD_DI;
IXGB_WRITE_REG(hw, EECD, eecd_reg);
mask = mask >> 1;
- } while (mask);
+ } while(mask);
/* We leave the "DI" bit set to "0" when we leave this routine. */
eecd_reg &= ~IXGB_EECD_DI;
*
* hw - Struct containing variables accessed by shared code
*****************************************************************************/
-static uint16_t ixgb_shift_in_bits(struct ixgb_hw *hw)
+static uint16_t
+ixgb_shift_in_bits(struct ixgb_hw *hw)
{
uint32_t eecd_reg;
uint32_t i;
eecd_reg &= ~(IXGB_EECD_DO | IXGB_EECD_DI);
data = 0;
- for (i = 0; i < 16; i++) {
+ for(i = 0; i < 16; i++) {
data = data << 1;
ixgb_raise_clock(hw, &eecd_reg);
eecd_reg = IXGB_READ_REG(hw, EECD);
eecd_reg &= ~(IXGB_EECD_DI);
- if (eecd_reg & IXGB_EECD_DO)
+ if(eecd_reg & IXGB_EECD_DO)
data |= 1;
ixgb_lower_clock(hw, &eecd_reg);
* 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)
{
uint32_t eecd_reg;
*
* 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)
{
uint32_t eecd_reg;
*
* 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)
{
uint32_t eecd_reg;
*
* 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)
{
uint32_t eecd_reg;
* 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)
{
uint32_t eecd_reg;
uint32_t i;
* signal that the command has been completed by raising the DO signal.
* If DO does not go high in 10 milliseconds, then error out.
*/
- for (i = 0; i < 200; i++) {
+ for(i = 0; i < 200; i++) {
eecd_reg = IXGB_READ_REG(hw, EECD);
- if (eecd_reg & IXGB_EECD_DO)
+ if(eecd_reg & IXGB_EECD_DO)
return (TRUE);
udelay(50);
* 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)
{
uint16_t checksum = 0;
uint16_t i;
- for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++)
+ for(i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++)
checksum += ixgb_read_eeprom(hw, i);
- if (checksum == (uint16_t) 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)
{
uint16_t checksum = 0;
uint16_t i;
- for (i = 0; i < EEPROM_CHECKSUM_REG; i++)
+ for(i = 0; i < EEPROM_CHECKSUM_REG; i++)
checksum += ixgb_read_eeprom(hw, i);
checksum = (uint16_t) EEPROM_SUM - checksum;
* EEPROM will most likely contain an invalid checksum.
*
*****************************************************************************/
-void ixgb_write_eeprom(struct ixgb_hw *hw, uint16_t offset, uint16_t data)
+void
+ixgb_write_eeprom(struct ixgb_hw *hw, uint16_t offset, uint16_t data)
{
- /* Prepare the EEPROM for writing */
+ struct ixgb_ee_map_type *ee_map = (struct ixgb_ee_map_type *)hw->eeprom;
+
+ /* Prepare the EEPROM for writing */
ixgb_setup_eeprom(hw);
/* Send the 9-bit EWEN (write enable) command to the EEPROM (5-bit opcode
/* Done with writing */
ixgb_cleanup_eeprom(hw);
+ /* clear the init_ctrl_reg_1 to signify that the cache is invalidated */
+ ee_map->init_ctrl_reg_1 = le16_to_cpu(EEPROM_ICW1_SIGNATURE_CLEAR);
+
return;
}
* Returns:
* The 16-bit value read from the eeprom
*****************************************************************************/
-uint16_t ixgb_read_eeprom(struct ixgb_hw * hw, uint16_t offset)
+uint16_t
+ixgb_read_eeprom(struct ixgb_hw *hw,
+ uint16_t offset)
{
uint16_t data;
* 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)
{
uint16_t i;
uint16_t checksum = 0;
ee_map = (struct ixgb_ee_map_type *)hw->eeprom;
DEBUGOUT("ixgb_ee: Reading eeprom data\n");
- for (i = 0; i < IXGB_EEPROM_SIZE; i++) {
+ for(i = 0; i < IXGB_EEPROM_SIZE ; i++) {
uint16_t ee_data;
ee_data = ixgb_read_eeprom(hw, i);
checksum += ee_data;
if (checksum != (uint16_t) EEPROM_SUM) {
DEBUGOUT("ixgb_ee: Checksum invalid.\n");
+ /* clear the init_ctrl_reg_1 to signify that the cache is
+ * invalidated */
+ ee_map->init_ctrl_reg_1 = le16_to_cpu(EEPROM_ICW1_SIGNATURE_CLEAR);
return (FALSE);
}
if ((ee_map->init_ctrl_reg_1 & le16_to_cpu(EEPROM_ICW1_SIGNATURE_MASK))
- != le16_to_cpu(EEPROM_ICW1_SIGNATURE_VALID)) {
+ != le16_to_cpu(EEPROM_ICW1_SIGNATURE_VALID)) {
DEBUGOUT("ixgb_ee: Signature invalid.\n");
- return (FALSE);
+ return(FALSE);
}
- return (TRUE);
+ return(TRUE);
}
/******************************************************************************
* 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;
* Returns:
* Word at indexed offset in eeprom, if valid, 0 otherwise.
******************************************************************************/
-uint16_t ixgb_get_eeprom_word(struct ixgb_hw * hw, uint16_t index)
+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]);
+ (ixgb_check_and_get_eeprom_data(hw) == TRUE)) {
+ return(hw->eeprom[index]);
}
- return (0);
+ return(0);
}
/******************************************************************************
*
* Returns: None.
******************************************************************************/
-void ixgb_get_ee_mac_addr(struct ixgb_hw *hw, uint8_t * 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;
}
}
-/******************************************************************************
- * return the compatibility flags from EEPROM
- *
- * hw - Struct containing variables accessed by shared code
- *
- * Returns:
- * compatibility flags if EEPROM contents are valid, 0 otherwise
- ******************************************************************************/
-uint16_t ixgb_get_ee_compatibility(struct ixgb_hw *hw)
-{
- 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 (0);
-}
/******************************************************************************
* return the Printed Board Assembly number from EEPROM
* Returns:
* PBA number if EEPROM contents are valid, 0 otherwise
******************************************************************************/
-uint32_t 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)
+ if(ixgb_check_and_get_eeprom_data(hw) == TRUE)
return (le16_to_cpu(hw->eeprom[EEPROM_PBA_1_2_REG])
- | (le16_to_cpu(hw->eeprom[EEPROM_PBA_3_4_REG]) << 16));
-
- return (0);
-}
-
-/******************************************************************************
- * return the Initialization Control Word 1 from EEPROM
- *
- * hw - Struct containing variables accessed by shared code
- *
- * Returns:
- * Initialization Control Word 1 if EEPROM contents are valid, 0 otherwise
- ******************************************************************************/
-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;
-
- if (ixgb_check_and_get_eeprom_data(hw) == TRUE)
- return (ee_map->init_ctrl_reg_1);
-
- return (0);
-}
-
-/******************************************************************************
- * return the Initialization Control Word 2 from EEPROM
- *
- * hw - Struct containing variables accessed by shared code
- *
- * Returns:
- * Initialization Control Word 2 if EEPROM contents are valid, 0 otherwise
- ******************************************************************************/
-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;
+ | (le16_to_cpu(hw->eeprom[EEPROM_PBA_3_4_REG])<<16));
- if (ixgb_check_and_get_eeprom_data(hw) == TRUE)
- return (ee_map->init_ctrl_reg_2);
-
- return (0);
+ return(0);
}
-/******************************************************************************
- * return the Subsystem Id from EEPROM
- *
- * hw - Struct containing variables accessed by shared code
- *
- * Returns:
- * Subsystem Id if EEPROM contents are valid, 0 otherwise
- ******************************************************************************/
-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;
-
- if (ixgb_check_and_get_eeprom_data(hw) == TRUE)
- return (ee_map->subsystem_id);
-
- return (0);
-}
-
-/******************************************************************************
- * return the Sub Vendor Id from EEPROM
- *
- * hw - Struct containing variables accessed by shared code
- *
- * Returns:
- * Sub Vendor Id if EEPROM contents are valid, 0 otherwise
- ******************************************************************************/
-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;
-
- if (ixgb_check_and_get_eeprom_data(hw) == TRUE)
- return (ee_map->subvendor_id);
-
- return (0);
-}
/******************************************************************************
* return the Device Id from EEPROM
* Returns:
* Device Id if EEPROM contents are valid, 0 otherwise
******************************************************************************/
-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;
-
- if (ixgb_check_and_get_eeprom_data(hw) == TRUE)
- return (ee_map->device_id);
-
- return (0);
-}
-
-/******************************************************************************
- * return the Vendor Id from EEPROM
- *
- * hw - Struct containing variables accessed by shared code
- *
- * Returns:
- * Device Id if EEPROM contents are valid, 0 otherwise
- ******************************************************************************/
-uint16_t ixgb_get_ee_vendor_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;
- if (ixgb_check_and_get_eeprom_data(hw) == TRUE)
- return (ee_map->vendor_id);
+ if(ixgb_check_and_get_eeprom_data(hw) == TRUE)
+ return (le16_to_cpu(ee_map->device_id));
return (0);
}
-/******************************************************************************
- * return the Software Defined Pins Register from EEPROM
- *
- * hw - Struct containing variables accessed by shared code
- *
- * Returns:
- * SDP Register if EEPROM contents are valid, 0 otherwise
- ******************************************************************************/
-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;
-
- if (ixgb_check_and_get_eeprom_data(hw) == TRUE)
- return (ee_map->swdpins_reg);
-
- return (0);
-}
-
-/******************************************************************************
- * return the D3 Power Management Bits from EEPROM
- *
- * hw - Struct containing variables accessed by shared code
- *
- * Returns:
- * D3 Power Management Bits if EEPROM contents are valid, 0 otherwise
- ******************************************************************************/
-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;
-
- if (ixgb_check_and_get_eeprom_data(hw) == TRUE)
- return (ee_map->d3_power);
-
- return (0);
-}
-
-/******************************************************************************
- * return the D0 Power Management Bits from EEPROM
- *
- * hw - Struct containing variables accessed by shared code
- *
- * Returns:
- * D0 Power Management Bits if EEPROM contents are valid, 0 otherwise
- ******************************************************************************/
-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;
-
- if (ixgb_check_and_get_eeprom_data(hw) == TRUE)
- return (ee_map->d0_power);
-
- return (0);
-}
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