openwrt-owl/target/linux/brcm-2.4/patches/012-aec62xx.patch

103 lines
3.1 KiB
Diff

Index: linux-2.4.35.4/drivers/ide/pci/aec62xx.c
===================================================================
--- linux-2.4.35.4.orig/drivers/ide/pci/aec62xx.c 2007-12-15 05:19:35.958470194 +0100
+++ linux-2.4.35.4/drivers/ide/pci/aec62xx.c 2007-12-15 05:20:16.928804961 +0100
@@ -3,6 +3,8 @@
*
* Copyright (C) 1999-2002 Andre Hedrick <andre@linux-ide.org>
*
+ * With Broadcom 4780 patches
+ *
*/
#include <linux/module.h>
@@ -329,7 +331,11 @@
ide_hwif_t *hwif = HWIF(drive);
struct hd_driveid *id = drive->id;
+#ifndef CONFIG_BCM947XX
if ((id->capability & 1) && drive->autodma) {
+#else
+ if (1) {
+#endif
/* Consult the list of known "bad" drives */
if (hwif->ide_dma_bad_drive(drive))
goto fast_ata_pio;
@@ -414,10 +420,60 @@
{
int bus_speed = system_bus_clock();
+#ifndef CONFIG_BCM947XX
if (dev->resource[PCI_ROM_RESOURCE].start) {
pci_write_config_dword(dev, PCI_ROM_ADDRESS, dev->resource[PCI_ROM_RESOURCE].start | PCI_ROM_ADDRESS_ENABLE);
printk(KERN_INFO "%s: ROM enabled at 0x%08lx\n", name, dev->resource[PCI_ROM_RESOURCE].start);
}
+#else
+ if (dev->resource[PCI_ROM_RESOURCE].start) {
+ pci_write_config_dword(dev, PCI_ROM_ADDRESS,
+ dev->resource[PCI_ROM_RESOURCE].
+ start | PCI_ROM_ADDRESS_ENABLE);
+ } else {
+ pci_write_config_dword(dev, PCI_ROM_ADDRESS,
+ dev->resource[PCI_ROM_RESOURCE].
+ start);
+ }
+
+ /* Set IDE controller parameters manually - FIXME: replace magic values */
+ {
+ byte setting;
+
+ pci_write_config_word(dev, PCI_COMMAND, 0x0007);
+ //pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x5A);
+ pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x13);
+
+ pci_write_config_byte(dev, 0x40, 0x31);
+ pci_write_config_byte(dev, 0x41, 0x31);
+ pci_write_config_byte(dev, 0x42, 0x31);
+ pci_write_config_byte(dev, 0x43, 0x31);
+ // Set IDE Command Speed
+ pci_write_config_byte(dev, 0x48, 0x31);
+
+ // Disable WriteSubSysID & PIOROM
+ pci_read_config_byte(dev, 0x49, &setting);
+ setting &= 0x07;
+ pci_write_config_byte(dev, 0x49, setting);
+
+ // Enable PCI burst & INTA & PCI memory read multiple, FIFO threshold=80
+ pci_read_config_byte(dev, 0x4A, &setting);
+ //setting = (setting & 0xFE) | 0xA8;
+ setting = (setting & 0xFE) | 0xD8;
+ setting = (setting & 0xF7);
+ pci_write_config_byte(dev, 0x4A, setting);
+
+ //pci_write_config_byte(dev, 0x4B, 0x20);
+ pci_write_config_byte(dev, 0x4B, 0x2C);
+ //pci_write_config_byte(dev, 0x4B, 0x0C);
+
+ // Set PreRead count: 512 byte
+ pci_write_config_byte(dev, 0x4C, 0);
+ pci_write_config_word(dev, 0x4D, 0x0002);
+ pci_write_config_byte(dev, 0x54, 0);
+ pci_write_config_word(dev, 0x55, 0x0002);
+ }
+#endif
#if defined(DISPLAY_AEC62XX_TIMINGS) && defined(CONFIG_PROC_FS)
aec_devs[n_aec_devs++] = dev;
@@ -500,6 +556,7 @@
static void __init init_setup_aec6x80 (struct pci_dev *dev, ide_pci_device_t *d)
{
+#ifndef CONFIG_BCM947XX /* Causes OOPS on BCM4780 */
unsigned long bar4reg = pci_resource_start(dev, 4);
if (inb(bar4reg+2) & 0x10) {
@@ -512,6 +569,7 @@
strcpy(d->name, "AEC6280R");
}
+#endif
ide_setup_pci_device(dev, d);
}