i82371eb: Drop support for older PIIX chips
All boards using this code use i82371eb (that shares PCI ID with i82371ab). Dropping the code lightens compressed ramstage by a few dozen bytes. Change-Id: Iab1e83b8f5fff44a33619c7925e5448169a2a87c Signed-off-by: Keith Hui <buurin@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/38598 Reviewed-by: Patrick Georgi <pgeorgi@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Keith Hui
Patrick Georgi
parent
3fa3bf97e5
commit
2b9004de60
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@ -14,22 +14,9 @@
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* GNU General Public License for more details.
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*/
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/* Note: This code supports the 82371FB/SB/MX/AB/EB/MB and 82437MX. */
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/* Note: This code supports the 82371AB/EB/MB. */
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/* Datasheets:
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* - Name: 82371FB (PIIX) AND 82371SB (PIIX3) PCI ISA IDE XCELERATOR
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* - URL: http://www.intel.com/design/intarch/datashts/290550.htm
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* - PDF: http://download.intel.com/design/intarch/datashts/29055002.pdf
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* - Date: April 1997
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* - Order Number: 290550-002
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*
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* - Name: 82371FB (PIIX) and 82371SB (PIIX3) PCI ISA IDE Xcelerator
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* Specification Update
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* - URL: http://www.intel.com/design/chipsets/specupdt/297658.htm
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* - PDF: http://download.intel.com/design/chipsets/specupdt/29765801.pdf
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* - Date: March 1998
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* - Order Number: 297658-004
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*
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* - Name: 82371AB PCI-TO-ISA / IDE XCELERATOR (PIIX4)
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* (applies to 82371AB/EB/MB, a.k.a. PIIX4/PIIX4E/PIIX4M)
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* - URL: http://www.intel.com/design/intarch/datashts/290562.htm
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@ -44,10 +31,8 @@
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* - Order Number: 297738-017
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*/
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/* TODO: List the other datasheets. */
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#include <device/device.h>
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const struct chip_operations southbridge_intel_i82371eb_ops = {
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CHIP_NAME("Intel 82371FB/SB/MX/AB/EB/MB Southbridge")
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CHIP_NAME("Intel 82371AB/EB/MB Southbridge")
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};
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@ -118,18 +118,6 @@ static void ide_init_udma33(struct device *dev)
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}
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}
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/**
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* IDE init for the Intel 82371FB/SB IDE controller.
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*
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* These devices do not support UDMA/33, so don't attempt to enable it.
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*
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* @param dev The device to use.
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*/
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static void ide_init_i82371fb_sb(struct device *dev)
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{
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ide_init_enable(dev);
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}
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/**
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* IDE init for the Intel 82371AB/EB/MB IDE controller.
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*
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@ -141,17 +129,6 @@ static void ide_init_i82371ab_eb_mb(struct device *dev)
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ide_init_udma33(dev);
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}
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/* Intel 82371FB/SB */
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static const struct device_operations ide_ops_fb_sb = {
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.read_resources = pci_dev_read_resources,
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.set_resources = pci_dev_set_resources,
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.enable_resources = pci_dev_enable_resources,
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.init = ide_init_i82371fb_sb,
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.scan_bus = 0,
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.enable = 0,
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.ops_pci = 0, /* No subsystem IDs on 82371XX! */
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};
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/* Intel 82371AB/EB/MB */
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static const struct device_operations ide_ops_ab_eb_mb = {
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.read_resources = pci_dev_read_resources,
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@ -163,34 +140,6 @@ static const struct device_operations ide_ops_ab_eb_mb = {
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.ops_pci = 0, /* No subsystem IDs on 82371XX! */
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};
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/* Intel 82371FB (PIIX) */
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static const struct pci_driver ide_driver_fb __pci_driver = {
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.ops = &ide_ops_fb_sb,
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.vendor = PCI_VENDOR_ID_INTEL,
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.device = PCI_DEVICE_ID_INTEL_82371FB_IDE,
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};
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/* Intel 82371SB (PIIX3) */
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static const struct pci_driver ide_driver_sb __pci_driver = {
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.ops = &ide_ops_fb_sb,
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.vendor = PCI_VENDOR_ID_INTEL,
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.device = PCI_DEVICE_ID_INTEL_82371SB_IDE,
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};
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/* Intel 82371MX (MPIIX) */
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static const struct pci_driver ide_driver_mx __pci_driver = {
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.ops = &ide_ops_fb_sb,
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.vendor = PCI_VENDOR_ID_INTEL,
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.device = PCI_DEVICE_ID_INTEL_82371MX_ISA_IDE,
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};
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/* Intel 82437MX (part of the 430MX chipset) */
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static const struct pci_driver ide_driver_82437mx __pci_driver = {
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.ops = &ide_ops_fb_sb,
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.vendor = PCI_VENDOR_ID_INTEL,
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.device = PCI_DEVICE_ID_INTEL_82437MX_ISA_IDE,
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};
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/* Intel 82371AB/EB/MB */
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static const struct pci_driver ide_driver_ab_eb_mb __pci_driver = {
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.ops = &ide_ops_ab_eb_mb,
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@ -157,9 +157,3 @@ static const struct pci_driver isa_driver __pci_driver = {
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.vendor = PCI_VENDOR_ID_INTEL,
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.device = PCI_DEVICE_ID_INTEL_82371AB_ISA,
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};
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static const struct pci_driver isa_SB_driver __pci_driver = {
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.ops = &isa_ops,
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.vendor = PCI_VENDOR_ID_INTEL,
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.device = PCI_DEVICE_ID_INTEL_82371SB_ISA,
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};
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@ -43,15 +43,6 @@ static const struct device_operations usb_ops = {
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.ops_pci = 0, /* No subsystem IDs on 82371EB! */
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};
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/* Note: No USB on 82371FB/MX (PIIX/MPIIX) and 82437MX. */
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/* Intel 82371SB (PIIX3) */
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static const struct pci_driver usb_driver_sb __pci_driver = {
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.ops = &usb_ops,
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.vendor = PCI_VENDOR_ID_INTEL,
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.device = PCI_DEVICE_ID_INTEL_82371SB_USB,
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};
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/* Intel 82371AB/EB/MB (PIIX4/PIIX4E/PIIX4M) */
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/* The 440MX (82443MX) consists of 82443BX + 82371EB (uses same PCI IDs). */
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static const struct pci_driver usb_driver_ab_eb_mb __pci_driver = {
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