mirror of
https://github.com/fail0verflow/switch-coreboot.git
synced 2025-05-04 01:39:18 -04:00
smartcore kernel patches
This commit is contained in:
Ronald G. Minnich
parent
f85eb0d48e
commit
811a430c87
1 changed files with 243 additions and 0 deletions
243
src/kernel_patches/linux-2.4.17-smartcore-p5
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243
src/kernel_patches/linux-2.4.17-smartcore-p5
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@ -0,0 +1,243 @@
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$Id$
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--- linux-2.4.17-orig/drivers/ide/ide-pci.c Thu Oct 25 14:53:47 2001
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+++ linux-2.4.17-smartcore/drivers/ide/ide-pci.c Wed Jan 9 11:03:18 2002
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@@ -697,9 +697,20 @@
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goto controller_ok;
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if ((IDE_PCI_DEVID_EQ(d->devid, DEVID_PDC20262)) && (secondpdc++==1) && (port==1) )
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goto controller_ok;
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-
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+#ifndef CONFIG_LINUXBIOS_FORCE_IDE_CONTROLLER_ON
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if (e->reg && (pci_read_config_byte(dev, e->reg, &tmp) || (tmp & e->mask) != e->val))
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continue; /* port not enabled */
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+#else
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+ /* force 'em on! */
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+ if (e->reg) {
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+ pci_read_config_byte(dev, e->reg, &tmp);
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+ tmp |= e->val;
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+ pci_write_config_byte(dev, e->reg, tmp);
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+ printk("%s: LINUXBIOS, so Jammed the enable on!\n",
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+ d->name);
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+ }
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+
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+#endif
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controller_ok:
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if (IDE_PCI_DEVID_EQ(d->devid, DEVID_HPT366) && (port) && (class_rev < 0x03))
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return;
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--- linux-2.4.17-orig/drivers/ide/ide-probe.c Mon Nov 26 06:29:17 2001
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+++ linux-2.4.17-smartcore/drivers/ide/ide-probe.c Wed Jan 9 11:03:18 2002
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@@ -310,6 +310,13 @@
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if ((drive->media != ide_disk) && (cmd == WIN_IDENTIFY))
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return 4;
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}
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+#ifdef CONFIG_LINUXBIOS_WAIT_HDA_SPINUP
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+ if (! strncmp(drive->name, "hda", 3)) {
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+ printk("jamming drive present for %s\n", drive->name);
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+ drive->present = 1;
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+ }
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+#endif
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+
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#ifdef DEBUG
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printk("probing for %s: present=%d, media=%d, probetype=%s\n",
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drive->name, drive->present, drive->media,
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--- linux-2.4.17-orig/arch/i386/config.in Fri Dec 21 10:41:53 2001
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+++ linux-2.4.17-smartcore/arch/i386/config.in Wed Jan 9 11:03:18 2002
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@@ -416,3 +416,13 @@
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fi
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endmenu
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+
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+mainmenu_option next_comment
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+comment 'LinuxBIOS'
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+
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+tristate 'LinuxBIOS Support' CONFIG_LINUXBIOS
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+if [ "$CONFIG_LINUXBIOS" != "n" ]; then
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+ source arch/i386/Linuxbios.in
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+fi
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+
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+endmenu
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--- linux-2.4.17-orig/arch/i386/kernel/process.c Thu Oct 4 19:42:54 2001
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+++ linux-2.4.17-smartcore/arch/i386/kernel/process.c Fri Jan 18 09:57:47 2002
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@@ -49,6 +49,159 @@
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#include <linux/irq.h>
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+#define CONFIG_LINUXBIOS_PM
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+#ifdef CONFIG_LINUXBIOS_PM
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+#include <linux/pci.h>
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+#ifdef CONFIG_LINUXBIOS_PM_SIS503
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+void
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+sis503_reset(struct pci_dev *dev)
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+{
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+ unsigned char b;
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+ unsigned short acpi_base;
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+
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+ printk(KERN_ERR __FUNCTION__ ": starting reset operation. \n");
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+
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+ /* Enable ACPI by set B7 on Reg 0x40, LPC */
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+ pci_read_config_byte(dev, 0x40, &b);
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+ pci_write_config_byte(dev, 0x40, b | 0x80);
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+ printk(KERN_ERR __FUNCTION__ ": enabled ACPI. \n");
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+
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+ /* get the ACPI base address for register 0x74,0x75 of LPC */
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+ pci_read_config_word(dev, 0x74, &acpi_base);
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+ printk(KERN_ERR __FUNCTION__ ":acpi base: %x\n", acpi_base);
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+
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+ /* Set software watchdog timer init value */
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+ outb(0x03, 0x4a + acpi_base);
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+ printk(KERN_ERR __FUNCTION__ ": set the dog. \n");
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+
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+ printk(KERN_ERR __FUNCTION__ ": enabling dog. \n");
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+ /* Software watchdog enable, issue PCIRST# when time expire */
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+ outb(0x8f, 0x4b + acpi_base);
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+
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+ printk(KERN_ERR __FUNCTION__ ": We should reset soon. \n");
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+}
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+
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+void
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+sis503_off(struct pci_dev *dev)
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+{
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+ unsigned char b;
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+ unsigned short acpi_base;
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+
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+ printk(KERN_ERR __FUNCTION__ ": starting reset operation. \n");
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+ /* Enable ACPI by set B7 on Reg 0x40, LPC */
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+ pci_read_config_byte(dev, 0x40, &b);
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+ pci_write_config_byte(dev, 0x40, b | 0x80);
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+ printk(KERN_ERR __FUNCTION__ ": enabled ACPI. \n");
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+
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+ /* get the ACPI base address for register 0x74,0x75 of LPC */
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+ pci_read_config_word(dev, 0x74, &acpi_base);
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+ printk (KERN_ERR __FUNCTION__ ":acpi base: %x\n", acpi_base);
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+
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+ /* ACPI Register 5, Bit 10-12, Sleeping Type,
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+ set to 101 -> S5, soft_off */
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+ outb(0x14, 0x05 + acpi_base);
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+ printk(KERN_ERR __FUNCTION__ ": DONE setting sleep type. \n");
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+
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+ /* ACPI Register 5, Bit 13, Sleep Enable */
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+ outb(0x20 | 0x14, 0x05 + acpi_base);
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+ printk(KERN_ERR __FUNCTION__ ": DONE sleep enable. \n");
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+}
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+#endif // CONFIG_LINUXBIOS_PM_SIS503
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+#ifdef CONFIG_LINUXBIOS_PM_PIIX4E
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+void
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+piix4e_reset(struct pci_dev *dev)
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+{
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+ // simple on this part. outb 0x6 to 0xcf9
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+
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+ printk(KERN_ERR __FUNCTION__ ": starting reset operation. \n");
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+ outb(0x6, 0xcf9);
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+ printk(KERN_ERR __FUNCTION__ ": We should reset soon. \n");
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+}
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+
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+void
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+piix4e_off(struct pci_dev *dev)
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+{
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+ unsigned char b;
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+ unsigned short acpi_base;
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+
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+ printk(KERN_ERR __FUNCTION__ ": no power off on this chip! \n");
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+}
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+#endif
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+struct pci_dev * pci_find_device(unsigned int vendor, unsigned int device,
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+ const struct pci_dev *from);
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+
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+struct linuxbios_control {
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+ u_short vendor, device;
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+ void (*poweroff)(struct pci_dev *);
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+ void (*reset)(struct pci_dev *);
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+};
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+
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+struct linuxbios_control controls[] = {
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+#ifdef CONFIG_LINUXBIOS_PM_SIS503
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+ {PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_503, sis503_off, sis503_reset}
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+#endif
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+#ifdef CONFIG_LINUXBIOS_PM_PIIX4E
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+ {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB_3,
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+ piix4e_off, piix4e_reset},
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+#endif
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+ {0}
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+};
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+
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+struct linuxbios_control *findcontrol(struct pci_dev **d)
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+{
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+ struct linuxbios_control *lb = controls, *retval = 0;
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+ int i;
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+
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+ printk(KERN_ERR __FUNCTION__ ": Find vendor 0x%x device 0x%x\n",
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+ lb->vendor, lb->device);
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+ for(lb = controls, i = 0;
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+ (i < sizeof(controls)/sizeof(controls[0])) && (! retval);
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+ i++, lb++)
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+ {
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+ *d = pci_find_device(lb->vendor, lb->device, 0);
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+ if (*d)
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+ retval = lb;
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+ }
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+
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+ printk(KERN_ERR __FUNCTION__ ": result of find is %p\n", retval);
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+ return retval;
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+}
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+
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+void
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+linuxbios_poweroff(void)
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+{
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+ struct linuxbios_control *lb = 0;
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+ struct pci_dev *dev;
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+
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+ printk(KERN_ERR __FUNCTION__ ": find an lb\n");
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+ lb = findcontrol(&dev);
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+
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+ printk(KERN_ERR __FUNCTION__ ": found lb %p, call %p\n",
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+ lb, lb ? lb->poweroff : 0);
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+ if (lb && (lb->poweroff))
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+ lb->poweroff(dev);
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+ printk(KERN_ERR __FUNCTION__ ": Returning? Can't happen, I thought?\n");
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+}
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+
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+void
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+linuxbios_reset(void)
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+{
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+ struct linuxbios_control *lb = 0;
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+ struct pci_dev *dev;
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+
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+ printk(KERN_ERR __FUNCTION__ ": find an lb\n");
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+ lb = findcontrol(&dev);
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+
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+ printk(KERN_ERR __FUNCTION__ ": found lb %p, call %p\n",
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+ lb, lb ? lb->reset : 0);
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+ if (lb && (lb->reset))
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+ lb->reset(dev);
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+ printk(KERN_ERR __FUNCTION__ ": Returning? Can't happen, I thought?\n");
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+}
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+
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+#endif
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+
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+
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asmlinkage void ret_from_fork(void) __asm__("ret_from_fork");
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int hlt_counter;
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@@ -399,6 +552,9 @@
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*/
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smp_send_stop();
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disable_IO_APIC();
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+#endif
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+#ifdef CONFIG_LINUXBIOS_PM
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+ linuxbios_reset();
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#endif
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if(!reboot_thru_bios) {
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--- linux-2.4.17-orig/arch/i386/Linuxbios.in Tue Jan 22 10:22:05 2002
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+++ linux-2.4.17-smartcore/arch/i386/Linuxbios.in Fri Jan 18 10:03:05 2002
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@@ -0,0 +1,10 @@
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+mainmenu_option next_comment
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+comment 'Linuxbios Options'
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+bool 'Force IDE Controllers on?' CONFIG_LINUXBIOS_FORCE_IDE_CONTROLLER_ON
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+bool 'Wait for HDA to spin up?' CONFIG_LINUXBIOS_WAIT_HDA_SPINUP
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+bool 'Linuxbios Power Management support?' CONFIG_LINUXBIOS_PM
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+if [ "$CONFIG_LINUXBIOS_PM" = "y" ]; then
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+ bool ' SIS 503 support?' CONFIG_LINUXBIOS_PM_SIS503
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+ bool ' PIIX4E support?' CONFIG_LINUXBIOS_PM_PIIX4E
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+fi
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+endmenu
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