--- old/usr/src/uts/sun4u/snowbird/os/snowbird.c	Fri Aug  9 07:21:06 2019
+++ /dev/null	Fri Aug  9 00:52:51 2019
@@ -1,264 +0,0 @@
-/*
- * CDDL HEADER START
- *
- * The contents of this file are subject to the terms of the
- * Common Development and Distribution License, Version 1.0 only
- * (the "License").  You may not use this file except in compliance
- * with the License.
- *
- * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
- * or http://www.opensolaris.org/os/licensing.
- * See the License for the specific language governing permissions
- * and limitations under the License.
- *
- * When distributing Covered Code, include this CDDL HEADER in each
- * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
- * If applicable, add the following below this CDDL HEADER, with the
- * fields enclosed by brackets "[]" replaced with your own identifying
- * information: Portions Copyright [yyyy] [name of copyright owner]
- *
- * CDDL HEADER END
- */
-/*
- * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
- * Use is subject to license terms.
- */
-
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/sysmacros.h>
-#include <sys/sunddi.h>
-#include <sys/esunddi.h>
-#include <sys/sunndi.h>
-
-#include <sys/platform_module.h>
-#include <sys/errno.h>
-
-#define	SHARED_SMBUS_PATH	"/pci@1f,0/pci@1,1/pmu@3/i2c@0,0/i2c-nvram@0,8e"
-static dev_info_t *shared_smbus_dip;
-static kmutex_t snowbird_smbus_mutex;
-
-void
-startup_platform(void)
-{
-	mutex_init(&snowbird_smbus_mutex, NULL, NULL, NULL);
-}
-
-int
-set_platform_tsb_spares()
-{
-	return (0);
-}
-
-void
-set_platform_defaults(void)
-{
-	extern char *tod_module_name;
-	tod_module_name = "todds1307";
-}
-
-/*
- * Definitions for accessing the pci config space of the isa node
- * of Southbridge.
- */
-#define	PLATFORM_ISA_PATHNAME	"/pci@1f,0/isa@7"
-#define	PLATFORM_ISA_PATHNAME_WITH_SIMBA	"/pci@1f,0/pci@1,1/isa@7"
-ddi_acc_handle_t 	platform_isa_handle;	/* handle for isa pci space */
-
-void
-load_platform_drivers(void)
-{
-	dev_info_t 		*dip;		/* dip of the isa driver */
-
-	if (ddi_install_driver("power") != DDI_SUCCESS)
-		cmn_err(CE_WARN, "Failed to install \"power\" driver.");
-
-	/*
-	 * It is OK to return error because 'us' driver is not available
-	 * in all clusters (e.g. missing in Core cluster).
-	 */
-	(void) ddi_install_driver("us");
-
-	/*
-	 * Install Isa driver. This is required for the southbridge IDE
-	 * workaround - to reset the IDE channel during IDE bus reset.
-	 * Panic the system in case ISA driver could not be loaded or
-	 * any problem in accessing its pci config space. Since the register
-	 * to reset the channel for IDE is in ISA config space!.
-	 */
-	dip = e_ddi_hold_devi_by_path(PLATFORM_ISA_PATHNAME_WITH_SIMBA, 0);
-
-	if (dip == NULL)
-	    dip = e_ddi_hold_devi_by_path(PLATFORM_ISA_PATHNAME, 0);
-
-	if (dip == NULL) {
-		cmn_err(CE_PANIC, "Could not install the isa driver\n");
-		return;
-	}
-
-	if (pci_config_setup(dip, &platform_isa_handle) != DDI_SUCCESS) {
-		cmn_err(CE_PANIC, "Could not get the config space of isa\n");
-		return;
-	}
-
-	/*
-	 * Figure out which smbus_dip is shared with OBP for the nvram
-	 * device, so the lock can be acquired.
-	 *
-	 * This should really be done elsewhere, like startup_platform, but
-	 * that runs before the devinfo tree is setup with configure().
-	 * So it is here until there is a better place.
-	 */
-	dip = e_ddi_hold_devi_by_path(SHARED_SMBUS_PATH, 0);
-
-	if (dip != NULL) {
-		ASSERT(dip != NULL);
-		shared_smbus_dip = ddi_get_parent(dip);
-
-		ndi_hold_devi(shared_smbus_dip);
-		ndi_rele_devi(dip);
-	} else {
-		shared_smbus_dip = NULL;
-	}
-
-	/*
-	 * Install the TOD driver
-	 */
-	if (ddi_install_driver("todds1307") != DDI_SUCCESS)
-		cmn_err(CE_WARN, "Failed to install \"todds1307\" driver.");
-}
-
-/*
- * This routine provides a workaround for a bug in the SB chip which
- * can cause data corruption. Will be invoked from the IDE HBA driver for
- * Acer SouthBridge at the time of IDE bus reset.
- */
-/*ARGSUSED*/
-int
-plat_ide_chipreset(dev_info_t *dip, int chno)
-{
-	uint8_t	val;
-	int	ret = DDI_SUCCESS;
-
-	val = pci_config_get8(platform_isa_handle, 0x58);
-	/*
-	 * The dip passed as the argument is not used for snowbird.
-	 * This will be needed for platforms which have multiple on-board SB,
-	 * The dip passed will be used to match the corresponding ISA node.
-	 */
-	switch (chno) {
-		case 0:
-			/*
-			 * First disable the primary channel then re-enable it.
-			 * As per ALI no wait should be required in between have
-			 * given 1ms delay in between to be on safer side.
-			 * bit 2 of register 0x58 when 0 disable the channel 0.
-			 * bit 2 of register 0x58 when 1 enables the channel 0.
-			 */
-			pci_config_put8(platform_isa_handle, 0x58, val & 0xFB);
-			drv_usecwait(1000);
-			pci_config_put8(platform_isa_handle, 0x58, val);
-			break;
-		case 1:
-			/*
-			 * bit 3 of register 0x58 when 0 disable the channel 1.
-			 * bit 3 of register 0x58 when 1 enables the channel 1.
-			 */
-			pci_config_put8(platform_isa_handle, 0x58, val & 0xF7);
-			drv_usecwait(1000);
-			pci_config_put8(platform_isa_handle, 0x58, val);
-			break;
-		default:
-			/*
-			 * Unknown channel number passed. Return failure.
-			 */
-			ret = DDI_FAILURE;
-	}
-
-	return (ret);
-}
-
-
-
-/*ARGSUSED*/
-int
-plat_cpu_poweron(struct cpu *cp)
-{
-	return (ENOTSUP);	/* not supported on this platform */
-}
-
-/*ARGSUSED*/
-int
-plat_cpu_poweroff(struct cpu *cp)
-{
-	return (ENOTSUP);	/* not supported on this platform */
-}
-
-/*ARGSUSED*/
-void
-plat_freelist_process(int mnode)
-{
-}
-
-char *platform_module_list[] = {
-	(char *)0
-};
-
-/*ARGSUSED*/
-void
-plat_tod_fault(enum tod_fault_type tod_bad)
-{
-}
-
-/*
- * Unfortunately, snowbird's smbus controller is used by both OBP
- * and the OS's i2c drivers.  The 'eeprom' command executes
- * OBP code to handle property requests.  If eeprom didn't do this, or if the
- * controllers were partitioned so that all devices on a given controller were
- * driven by either OBP or the OS, this wouldn't be necessary.
- *
- * Note that getprop doesn't have the same issue as it reads from cached
- * memory in OBP.
- */
-
-/*
- * Common locking enter code
- */
-void
-plat_setprop_enter(void)
-{
-	mutex_enter(&snowbird_smbus_mutex);
-}
-
-/*
- * Common locking exit code
- */
-void
-plat_setprop_exit(void)
-{
-	mutex_exit(&snowbird_smbus_mutex);
-}
-
-/*
- * Called by smbus driver
- */
-void
-plat_shared_i2c_enter(dev_info_t *dip)
-{
-	if (dip == shared_smbus_dip) {
-		plat_setprop_enter();
-	}
-}
-
-/*
- * Called by smbus driver
- */
-void
-plat_shared_i2c_exit(dev_info_t *dip)
-{
-	if (dip == shared_smbus_dip) {
-		plat_setprop_exit();
-	}
-}
