[SCSI] advansys: use memcpy instead of open-coded loop
Use memcpy to initialise eep_config instead of a loop. For AdvInitFrom38C1600EEP where we need to modify the default EEPROM configuration, do it after the loop, and do it using the structure definition, not by finding the right byte. I think it was wrong for big-endian machines. Also delete some non-useful comments and prototypes. Signed-off-by: Matthew Wilcox <matthew@wil.cx> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>wifi-calibration
Matthew Wilcox
James Bottomley
parent
13ac2d9c79
commit
d68f432135
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@ -3167,13 +3167,6 @@ do { \
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#define QHSTA_M_FROZEN_TIDQ 0x46 /* TID Queue frozen. */
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#define QHSTA_M_SGBACKUP_ERROR 0x47 /* Scatter-Gather backup error */
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/*
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* Default EEPROM Configuration structure defined in a_init.c.
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*/
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static ADVEEP_3550_CONFIG Default_3550_EEPROM_Config;
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static ADVEEP_38C0800_CONFIG Default_38C0800_EEPROM_Config;
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static ADVEEP_38C1600_CONFIG Default_38C1600_EEPROM_Config;
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/*
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* DvcGetPhyAddr() flag arguments
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*/
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@ -13183,7 +13176,6 @@ static unsigned char _adv_asc38C1600_buf[] = {
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static unsigned short _adv_asc38C1600_size = sizeof(_adv_asc38C1600_buf); /* 0x1673 */
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static ADV_DCNT _adv_asc38C1600_chksum = 0x0604EF77UL; /* Expanded little-endian checksum. */
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/* a_init.c */
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/*
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* EEPROM Configuration.
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*
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@ -15443,7 +15435,6 @@ static int __devinit AdvInitFrom3550EEP(ADV_DVC_VAR *asc_dvc)
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AdvPortAddr iop_base;
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ushort warn_code;
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ADVEEP_3550_CONFIG eep_config;
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int i;
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iop_base = asc_dvc->iop_base;
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@ -15460,15 +15451,12 @@ static int __devinit AdvInitFrom3550EEP(ADV_DVC_VAR *asc_dvc)
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/*
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* Set EEPROM default values.
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*/
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for (i = 0; i < sizeof(ADVEEP_3550_CONFIG); i++) {
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*((uchar *)&eep_config + i) =
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*((uchar *)&Default_3550_EEPROM_Config + i);
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}
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memcpy(&eep_config, &Default_3550_EEPROM_Config,
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sizeof(ADVEEP_3550_CONFIG));
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/*
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* Assume the 6 byte board serial number that was read
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* from EEPROM is correct even if the EEPROM checksum
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* failed.
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* Assume the 6 byte board serial number that was read from
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* EEPROM is correct even if the EEPROM checksum failed.
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*/
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eep_config.serial_number_word3 =
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AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 1);
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@ -15597,7 +15585,6 @@ static int __devinit AdvInitFrom38C0800EEP(ADV_DVC_VAR *asc_dvc)
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AdvPortAddr iop_base;
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ushort warn_code;
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ADVEEP_38C0800_CONFIG eep_config;
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int i;
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uchar tid, termination;
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ushort sdtr_speed = 0;
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@ -15617,15 +15604,12 @@ static int __devinit AdvInitFrom38C0800EEP(ADV_DVC_VAR *asc_dvc)
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/*
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* Set EEPROM default values.
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*/
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for (i = 0; i < sizeof(ADVEEP_38C0800_CONFIG); i++) {
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*((uchar *)&eep_config + i) =
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*((uchar *)&Default_38C0800_EEPROM_Config + i);
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}
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memcpy(&eep_config, &Default_38C0800_EEPROM_Config,
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sizeof(ADVEEP_38C0800_CONFIG));
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/*
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* Assume the 6 byte board serial number that was read
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* from EEPROM is correct even if the EEPROM checksum
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* failed.
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* Assume the 6 byte board serial number that was read from
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* EEPROM is correct even if the EEPROM checksum failed.
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*/
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eep_config.serial_number_word3 =
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AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 1);
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@ -15800,7 +15784,6 @@ static int __devinit AdvInitFrom38C1600EEP(ADV_DVC_VAR *asc_dvc)
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AdvPortAddr iop_base;
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ushort warn_code;
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ADVEEP_38C1600_CONFIG eep_config;
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int i;
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uchar tid, termination;
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ushort sdtr_speed = 0;
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@ -15821,68 +15804,46 @@ static int __devinit AdvInitFrom38C1600EEP(ADV_DVC_VAR *asc_dvc)
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/*
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* Set EEPROM default values.
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*/
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for (i = 0; i < sizeof(ADVEEP_38C1600_CONFIG); i++) {
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if (i == 1 && PCI_FUNC(pdev->devfn) != 0) {
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/*
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* Set Function 1 EEPROM Word 0 MSB
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*
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* Clear the BIOS_ENABLE (bit 14) and INTAB (bit 11)
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* EEPROM bits.
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*
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* Disable Bit 14 (BIOS_ENABLE) to fix SPARC Ultra 60 and
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* old Mac system booting problem. The Expansion ROM must
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* be disabled in Function 1 for these systems.
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*
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*/
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*((uchar *)&eep_config + i) =
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((*
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((uchar *)&Default_38C1600_EEPROM_Config
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+
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i)) &
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(~
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(((ADV_EEPROM_BIOS_ENABLE |
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ADV_EEPROM_INTAB) >> 8) & 0xFF)));
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memcpy(&eep_config, &Default_38C1600_EEPROM_Config,
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sizeof(ADVEEP_38C1600_CONFIG));
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/*
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* Set the INTAB (bit 11) if the GPIO 0 input indicates
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* the Function 1 interrupt line is wired to INTA.
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*
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* Set/Clear Bit 11 (INTAB) from the GPIO bit 0 input:
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* 1 - Function 1 interrupt line wired to INT A.
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* 0 - Function 1 interrupt line wired to INT B.
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*
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* Note: Adapter boards always have Function 0 wired to INTA.
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* Put all 5 GPIO bits in input mode and then read
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* their input values.
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*/
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AdvWriteByteRegister(iop_base, IOPB_GPIO_CNTL,
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0);
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if (AdvReadByteRegister
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(iop_base, IOPB_GPIO_DATA) & 0x01) {
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/* Function 1 interrupt wired to INTA; Set EEPROM bit. */
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*((uchar *)&eep_config + i) |=
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((ADV_EEPROM_INTAB >> 8) & 0xFF);
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}
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} else {
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*((uchar *)&eep_config + i) =
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*((uchar *)&Default_38C1600_EEPROM_Config
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+ i);
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}
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if (PCI_FUNC(pdev->devfn) != 0) {
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u8 ints;
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/*
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* Disable Bit 14 (BIOS_ENABLE) to fix SPARC Ultra 60
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* and old Mac system booting problem. The Expansion
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* ROM must be disabled in Function 1 for these systems
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*/
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eep_config.cfg_lsw &= ~ADV_EEPROM_BIOS_ENABLE;
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/*
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* Clear the INTAB (bit 11) if the GPIO 0 input
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* indicates the Function 1 interrupt line is wired
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* to INTB.
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*
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* Set/Clear Bit 11 (INTAB) from the GPIO bit 0 input:
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* 1 - Function 1 interrupt line wired to INT A.
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* 0 - Function 1 interrupt line wired to INT B.
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*
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* Note: Function 0 is always wired to INTA.
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* Put all 5 GPIO bits in input mode and then read
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* their input values.
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*/
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AdvWriteByteRegister(iop_base, IOPB_GPIO_CNTL, 0);
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ints = AdvReadByteRegister(iop_base, IOPB_GPIO_DATA);
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if ((ints & 0x01) == 0)
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eep_config.cfg_lsw &= ~ADV_EEPROM_INTAB;
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}
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/*
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* Assume the 6 byte board serial number that was read
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* from EEPROM is correct even if the EEPROM checksum
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* failed.
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* Assume the 6 byte board serial number that was read from
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* EEPROM is correct even if the EEPROM checksum failed.
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*/
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eep_config.serial_number_word3 =
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AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 1);
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AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 1);
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eep_config.serial_number_word2 =
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AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 2);
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AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 2);
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eep_config.serial_number_word1 =
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AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 3);
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AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 3);
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AdvSet38C1600EEPConfig(iop_base, &eep_config);
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}
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