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igb: Refactor of init_nvm_params 

This patch refactors the init_nvm_params functions for 82575 and adds a new
function for the i210/i211 devices in order to configure separately the NVM
functionality for the i210/i211 family.

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 2013-07-16 19:17:32 +00:00 committed by Jeff Kirsher
parent 2ccd994c4c
commit 5a823d8cdd
5 changed files with 92 additions and 65 deletions
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106
drivers/net/ethernet/intel/igb/e1000_82575.c
View File

@ -238,6 +238,7 @@ static s32 igb_init_nvm_params_82575(struct e1000_hw *hw)
size = (u16)((eecd & E1000_EECD_SIZE_EX_MASK) >>
E1000_EECD_SIZE_EX_SHIFT);
/* Added to a constant, "size" becomes the left-shift value
* for setting word_size.
*/
@ -250,86 +251,52 @@ static s32 igb_init_nvm_params_82575(struct e1000_hw *hw)
size = 15;
nvm->word_size = 1 << size;
if (hw->mac.type < e1000_i210) {
nvm->opcode_bits = 8;
nvm->delay_usec = 1;
nvm->opcode_bits = 8;
nvm->delay_usec = 1;
switch (nvm->override) {
case e1000_nvm_override_spi_large:
nvm->page_size = 32;
nvm->address_bits = 16;
break;
case e1000_nvm_override_spi_small:
nvm->page_size = 8;
nvm->address_bits = 8;
break;
default:
nvm->page_size = eecd & E1000_EECD_ADDR_BITS ? 32 : 8;
nvm->address_bits = eecd & E1000_EECD_ADDR_BITS ?
16 : 8;
break;
}
if (nvm->word_size == (1 << 15))
nvm->page_size = 128;
nvm->type = e1000_nvm_eeprom_spi;
} else {
nvm->type = e1000_nvm_flash_hw;
switch (nvm->override) {
case e1000_nvm_override_spi_large:
nvm->page_size = 32;
nvm->address_bits = 16;
break;
case e1000_nvm_override_spi_small:
nvm->page_size = 8;
nvm->address_bits = 8;
break;
default:
nvm->page_size = eecd & E1000_EECD_ADDR_BITS ? 32 : 8;
nvm->address_bits = eecd & E1000_EECD_ADDR_BITS ?
16 : 8;
break;
}
if (nvm->word_size == (1 << 15))
nvm->page_size = 128;
nvm->type = e1000_nvm_eeprom_spi;
/* NVM Function Pointers */
nvm->ops.acquire = igb_acquire_nvm_82575;
nvm->ops.release = igb_release_nvm_82575;
nvm->ops.write = igb_write_nvm_spi;
nvm->ops.validate = igb_validate_nvm_checksum;
nvm->ops.update = igb_update_nvm_checksum;
if (nvm->word_size < (1 << 15))
nvm->ops.read = igb_read_nvm_eerd;
else
nvm->ops.read = igb_read_nvm_spi;
/* override generic family function pointers for specific descendants */
switch (hw->mac.type) {
case e1000_82580:
nvm->ops.validate = igb_validate_nvm_checksum_82580;
nvm->ops.update = igb_update_nvm_checksum_82580;
nvm->ops.acquire = igb_acquire_nvm_82575;
nvm->ops.release = igb_release_nvm_82575;
if (nvm->word_size < (1 << 15))
nvm->ops.read = igb_read_nvm_eerd;
else
nvm->ops.read = igb_read_nvm_spi;
nvm->ops.write = igb_write_nvm_spi;
break;
case e1000_i354:
case e1000_i350:
nvm->ops.validate = igb_validate_nvm_checksum_i350;
nvm->ops.update = igb_update_nvm_checksum_i350;
nvm->ops.acquire = igb_acquire_nvm_82575;
nvm->ops.release = igb_release_nvm_82575;
if (nvm->word_size < (1 << 15))
nvm->ops.read = igb_read_nvm_eerd;
else
nvm->ops.read = igb_read_nvm_spi;
nvm->ops.write = igb_write_nvm_spi;
break;
case e1000_i210:
nvm->ops.validate = igb_validate_nvm_checksum_i210;
nvm->ops.update = igb_update_nvm_checksum_i210;
nvm->ops.acquire = igb_acquire_nvm_i210;
nvm->ops.release = igb_release_nvm_i210;
nvm->ops.read = igb_read_nvm_srrd_i210;
nvm->ops.write = igb_write_nvm_srwr_i210;
nvm->ops.valid_led_default = igb_valid_led_default_i210;
break;
case e1000_i211:
nvm->ops.acquire = igb_acquire_nvm_i210;
nvm->ops.release = igb_release_nvm_i210;
nvm->ops.read = igb_read_nvm_i211;
nvm->ops.valid_led_default = igb_valid_led_default_i210;
nvm->ops.validate = NULL;
nvm->ops.update = NULL;
nvm->ops.write = NULL;
break;
default:
nvm->ops.validate = igb_validate_nvm_checksum;
nvm->ops.update = igb_update_nvm_checksum;
nvm->ops.acquire = igb_acquire_nvm_82575;
nvm->ops.release = igb_release_nvm_82575;
if (nvm->word_size < (1 << 15))
nvm->ops.read = igb_read_nvm_eerd;
else
nvm->ops.read = igb_read_nvm_spi;
nvm->ops.write = igb_write_nvm_spi;
break;
}
@ -601,6 +568,15 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
/* NVM initialization */
ret_val = igb_init_nvm_params_82575(hw);
switch (hw->mac.type) {
case e1000_i210:
case e1000_i211:
ret_val = igb_init_nvm_params_i210(hw);
break;
default:
break;
}
if (ret_val)
goto out;

1
drivers/net/ethernet/intel/igb/e1000_defines.h
View File

@ -620,6 +620,7 @@
#define E1000_EECD_SIZE_EX_SHIFT 11
#define E1000_EECD_FLUPD_I210 0x00800000 /* Update FLASH */
#define E1000_EECD_FLUDONE_I210 0x04000000 /* Update FLASH done*/
#define E1000_EECD_FLASH_DETECTED_I210 0x00080000 /* FLASH detected */
#define E1000_FLUDONE_ATTEMPTS 20000
#define E1000_EERD_EEWR_MAX_COUNT 512 /* buffered EEPROM words rw */
#define E1000_I210_FIFO_SEL_RX 0x00

1
drivers/net/ethernet/intel/igb/e1000_hw.h
View File

@ -110,6 +110,7 @@ enum e1000_nvm_type {
e1000_nvm_none,
e1000_nvm_eeprom_spi,
e1000_nvm_flash_hw,
e1000_nvm_invm,
e1000_nvm_flash_sw
};

47
drivers/net/ethernet/intel/igb/e1000_i210.c
View File

@ -660,6 +660,23 @@ static s32 igb_pool_flash_update_done_i210(struct e1000_hw *hw)
return ret_val;
}
/**
* igb_get_flash_presence_i210 - Check if flash device is detected.
* @hw: pointer to the HW structure
*
**/
bool igb_get_flash_presence_i210(struct e1000_hw *hw)
{
u32 eec = 0;
bool ret_val = false;
eec = rd32(E1000_EECD);
if (eec & E1000_EECD_FLASH_DETECTED_I210)
ret_val = true;
return ret_val;
}
/**
* igb_update_flash_i210 - Commit EEPROM to the flash
* @hw: pointer to the HW structure
@ -786,3 +803,33 @@ s32 igb_write_xmdio_reg(struct e1000_hw *hw, u16 addr, u8 dev_addr, u16 data)
{
return __igb_access_xmdio_reg(hw, addr, dev_addr, &data, false);
}
/**
* igb_init_nvm_params_i210 - Init NVM func ptrs.
* @hw: pointer to the HW structure
**/
s32 igb_init_nvm_params_i210(struct e1000_hw *hw)
{
s32 ret_val = 0;
struct e1000_nvm_info *nvm = &hw->nvm;
nvm->ops.acquire = igb_acquire_nvm_i210;
nvm->ops.release = igb_release_nvm_i210;
nvm->ops.valid_led_default = igb_valid_led_default_i210;
/* NVM Function Pointers */
if (igb_get_flash_presence_i210(hw)) {
hw->nvm.type = e1000_nvm_flash_hw;
nvm->ops.read = igb_read_nvm_srrd_i210;
nvm->ops.write = igb_write_nvm_srwr_i210;
nvm->ops.validate = igb_validate_nvm_checksum_i210;
nvm->ops.update = igb_update_nvm_checksum_i210;
} else {
hw->nvm.type = e1000_nvm_invm;
nvm->ops.read = igb_read_nvm_i211;
nvm->ops.write = NULL;
nvm->ops.validate = NULL;
nvm->ops.update = NULL;
}
return ret_val;
}

2
drivers/net/ethernet/intel/igb/e1000_i210.h
View File

@ -49,6 +49,8 @@ extern s32 igb_read_xmdio_reg(struct e1000_hw *hw, u16 addr, u8 dev_addr,
u16 *data);
extern s32 igb_write_xmdio_reg(struct e1000_hw *hw, u16 addr, u8 dev_addr,
u16 data);
extern s32 igb_init_nvm_params_i210(struct e1000_hw *hw);
extern bool igb_get_flash_presence_i210(struct e1000_hw *hw);
#define E1000_STM_OPCODE 0xDB00
#define E1000_EEPROM_FLASH_SIZE_WORD 0x11