summaryrefslogtreecommitdiff
path: root/src/southbridge/via/vt8237r/ide.c
diff options
context:
space:
mode:
authorKyösti Mälkki <kyosti.malkki@gmail.com>2018-05-24 02:38:24 +0300
committerKyösti Mälkki <kyosti.malkki@gmail.com>2018-05-31 03:47:24 +0000
commitcea7e8bdefbc359f9ad04ea3dfe8f3e1d3e13369 (patch)
tree04ddbfb655c1f1cd426b171d18812dd8998dd5f3 /src/southbridge/via/vt8237r/ide.c
parentef3f94a5db9228cc668a61bdd3065cd41da2fc55 (diff)
Remove VIA vt8237r southbridge support
Change-Id: I2d0400212d32c4dee71163d2f5919c290b8c0616 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/26682 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'src/southbridge/via/vt8237r/ide.c')
-rw-r--r--src/southbridge/via/vt8237r/ide.c129
1 files changed, 0 insertions, 129 deletions
diff --git a/src/southbridge/via/vt8237r/ide.c b/src/southbridge/via/vt8237r/ide.c
deleted file mode 100644
index ac9a5e781c..0000000000
--- a/src/southbridge/via/vt8237r/ide.c
+++ /dev/null
@@ -1,129 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2007 Rudolf Marek <r.marek@assembler.cz>
- *
- * 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 Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-/* Based on other VIA SB code. */
-
-#include <compiler.h>
-#include <device/device.h>
-#include <device/pci.h>
-#include <device/pci_ids.h>
-#include <console/console.h>
-#include "vt8237r.h"
-#include "chip.h"
-
-/**
- * Cable type detect function, weak so it can be overloaded in mainboard.c
- */
-u32 __weak vt8237_ide_80pin_detect(struct device *dev)
-{
- struct southbridge_via_vt8237r_config *sb =
- (struct southbridge_via_vt8237r_config *)dev->chip_info;
- u32 res;
- res = sb->ide0_80pin_cable ? VT8237R_IDE0_80PIN_CABLE : 0;
- res |= sb->ide1_80pin_cable ? VT8237R_IDE1_80PIN_CABLE : 0;
- return res;
-}
-
-/**
- * No native mode. Interrupts from unconnected HDDs might occur if
- * IRQ14/15 is used for PCI. Therefore no native mode support.
- */
-static void ide_init(struct device *dev)
-{
- struct southbridge_via_vt8237r_config *sb =
- (struct southbridge_via_vt8237r_config *)dev->chip_info;
-
- u8 enables;
- u32 cablesel;
-
- printk(BIOS_INFO, "%s IDE interface %s\n", "Primary",
- sb->ide0_enable ? "enabled" : "disabled");
- printk(BIOS_INFO, "%s IDE interface %s\n", "Secondary",
- sb->ide1_enable ? "enabled" : "disabled");
- enables = pci_read_config8(dev, IDE_CS) & ~0x3;
- enables |= (sb->ide0_enable << 1) | sb->ide1_enable;
- pci_write_config8(dev, IDE_CS, enables);
- enables = pci_read_config8(dev, IDE_CS);
- printk(BIOS_DEBUG, "Enables in reg 0x40 read back as 0x%x\n", enables);
-
- /* Enable only compatibility mode. */
- enables = pci_read_config8(dev, 0x09);
- enables &= 0xFA;
- pci_write_config8(dev, 0x09, enables);
-
- enables = pci_read_config8(dev, IDE_CONF_II);
- enables &= ~0xc0;
- pci_write_config8(dev, IDE_CONF_II, enables);
- enables = pci_read_config8(dev, IDE_CONF_II);
- printk(BIOS_DEBUG, "Enables in reg 0x42 read back as 0x%x\n", enables);
-
- /* Enable prefetch buffers. */
- enables = pci_read_config8(dev, IDE_CONF_I);
- enables |= 0xf0;
- pci_write_config8(dev, IDE_CONF_I, enables);
-
- /* Flush FIFOs at half. */
- enables = pci_read_config8(dev, IDE_CONF_FIFO);
- enables &= 0xf0;
- enables |= (1 << 2) | (1 << 0);
- pci_write_config8(dev, IDE_CONF_FIFO, enables);
-
- /* PIO read prefetch counter, Bus Master IDE Status Reg. Read Retry. */
- enables = pci_read_config8(dev, IDE_MISC_I);
- enables &= 0xe2;
- enables |= (1 << 4) | (1 << 3);
- pci_write_config8(dev, IDE_MISC_I, enables);
-
- /* Use memory read multiple, Memory-Write-and-Invalidate. */
- enables = pci_read_config8(dev, IDE_MISC_II);
- enables &= 0xEF;
- enables |= (1 << 2) | (1 << 3);
- pci_write_config8(dev, IDE_MISC_II, enables);
-
- /* Force interrupts to use compat mode. */
- pci_write_config8(dev, PCI_INTERRUPT_PIN, 0x0);
- pci_write_config8(dev, PCI_INTERRUPT_LINE, 0xff);
-
- /* Cable guy... */
- cablesel = pci_read_config32(dev, IDE_UDMA);
- cablesel &= ~VT8237R_IDE_CABLESEL_MASK;
- cablesel |= vt8237_ide_80pin_detect(dev);
- pci_write_config32(dev, IDE_UDMA, cablesel);
-
-#if IS_ENABLED(CONFIG_EPIA_VT8237R_INIT)
- struct device *lpc_dev;
-
- /* Set PATA Output Drive Strength */
- lpc_dev = dev_find_device(PCI_VENDOR_ID_VIA,
- PCI_DEVICE_ID_VIA_VT8237R_LPC, 0);
- if (lpc_dev)
- pci_write_config8(lpc_dev, 0x7C, 0x20);
-#endif
-}
-
-static const struct device_operations ide_ops = {
- .read_resources = pci_dev_read_resources,
- .set_resources = pci_dev_set_resources,
- .enable_resources = pci_dev_enable_resources,
- .init = ide_init,
- .enable = 0,
- .ops_pci = 0,
-};
-
-static const struct pci_driver northbridge_driver __pci_driver = {
- .ops = &ide_ops,
- .vendor = PCI_VENDOR_ID_VIA,
- .device = PCI_DEVICE_ID_VIA_82C586_1,
-};