1 files changed, 5 insertions, 390 deletions

diff --git a/drivers/pci/hotplug/shpchprm_legacy.c b/drivers/pci/hotplug/shpchprm_legacy.c
index ba6c549c9b9d..ed6c1254bf6f 100644
--- a/drivers/pci/hotplug/shpchprm_legacy.c
+++ b/drivers/pci/hotplug/shpchprm_legacy.c
@@ -27,33 +27,11 @@
  *
  */
 
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/pci.h>
-#include <linux/init.h>
-#include <asm/uaccess.h>
-#ifdef CONFIG_IA64
-#include <asm/iosapic.h>
-#endif
 #include "shpchp.h"
-#include "shpchprm.h"
-#include "shpchprm_legacy.h"
-
-static void __iomem *shpchp_rom_start;
-static u16 unused_IRQ;
-
-void shpchprm_cleanup(void)
-{
-	if (shpchp_rom_start)
-		iounmap(shpchp_rom_start);
-}
-
-int shpchprm_print_pirt(void)
-{
-	return 0;
-}
 
 int shpchprm_get_physical_slot_number(struct controller *ctrl, u32 *sun, u8 busnum, u8 devnum)
 {
@@ -63,377 +41,14 @@ int shpchprm_get_physical_slot_number(struct controller *ctrl, u32 *sun, u8 busn
 	return 0;
 }
 
-/* Find the Hot Plug Resource Table in the specified region of memory */
-static void __iomem *detect_HRT_floating_pointer(void __iomem *begin, void __iomem *end)
+void get_hp_params_from_firmware(struct pci_dev *dev,
+		struct hotplug_params *hpp)
 {
-	void __iomem *fp;
-	void __iomem *endp;
-	u8 temp1, temp2, temp3, temp4;
-	int status = 0;
-
-	endp = (end - sizeof(struct hrt) + 1);
-
-	for (fp = begin; fp <= endp; fp += 16) {
-		temp1 = readb(fp + SIG0);
-		temp2 = readb(fp + SIG1);
-		temp3 = readb(fp + SIG2);
-		temp4 = readb(fp + SIG3);
-		if (temp1 == '$' && temp2 == 'H' && temp3 == 'R' && temp4 == 'T') {
-			status = 1;
-			break;
-		}
-	}
-
-	if (!status)
-		fp = NULL;
-
-	dbg("Discovered Hotplug Resource Table at %p\n", fp);
-	return fp;
+	return;
 }
 
-/*
- * shpchprm_find_available_resources
- *
- *  Finds available memory, IO, and IRQ resources for programming
- *  devices which may be added to the system
- *  this function is for hot plug ADD!
- *
- * returns 0 if success
- */
-int shpchprm_find_available_resources(struct controller *ctrl)
+void get_hp_hw_control_from_firmware(struct pci_dev *dev)
 {
-	u8 populated_slot;
-	u8 bridged_slot;
-	void __iomem *one_slot;
-	struct pci_func *func = NULL;
-	int i = 10, index = 0;
-	u32 temp_dword, rc;
-	ulong temp_ulong;
-	struct pci_resource *mem_node;
-	struct pci_resource *p_mem_node;
-	struct pci_resource *io_node;
-	struct pci_resource *bus_node;
-	void __iomem *rom_resource_table;
-	struct pci_bus lpci_bus, *pci_bus;
-	u8 cfgspc_irq, temp;
-
-	memcpy(&lpci_bus, ctrl->pci_bus, sizeof(lpci_bus));
-	pci_bus = &lpci_bus;
-	rom_resource_table = detect_HRT_floating_pointer(shpchp_rom_start, shpchp_rom_start + 0xffff);
-	dbg("rom_resource_table = %p\n", rom_resource_table);
-	if (rom_resource_table == NULL)
-		return -ENODEV;
-
-	/* Sum all resources and setup resource maps */
-	unused_IRQ = readl(rom_resource_table + UNUSED_IRQ);
-	dbg("unused_IRQ = %x\n", unused_IRQ);
-
-	temp = 0;
-	while (unused_IRQ) {
-		if (unused_IRQ & 1) {
-			shpchp_disk_irq = temp;
-			break;
-		}
-		unused_IRQ = unused_IRQ >> 1;
-		temp++;
-	}
-
-	dbg("shpchp_disk_irq= %d\n", shpchp_disk_irq);
-	unused_IRQ = unused_IRQ >> 1;
-	temp++;
-
-	while (unused_IRQ) {
-		if (unused_IRQ & 1) {
-			shpchp_nic_irq = temp;
-			break;
-		}
-		unused_IRQ = unused_IRQ >> 1;
-		temp++;
-	}
-
-	dbg("shpchp_nic_irq= %d\n", shpchp_nic_irq);
-	unused_IRQ = readl(rom_resource_table + PCIIRQ);
-
-	temp = 0;
-
-	pci_read_config_byte(ctrl->pci_dev, PCI_INTERRUPT_LINE, &cfgspc_irq);
-
-	if (!shpchp_nic_irq) {
-		shpchp_nic_irq = cfgspc_irq;
-	}
-
-	if (!shpchp_disk_irq) {
-		shpchp_disk_irq = cfgspc_irq;
-	}
-
-	dbg("shpchp_disk_irq, shpchp_nic_irq= %d, %d\n", shpchp_disk_irq, shpchp_nic_irq);
-
-	one_slot = rom_resource_table + sizeof(struct hrt);
-
-	i = readb(rom_resource_table + NUMBER_OF_ENTRIES);
-	dbg("number_of_entries = %d\n", i);
-
-	if (!readb(one_slot + SECONDARY_BUS))
-		return (1);
-
-	dbg("dev|IO base|length|MEMbase|length|PM base|length|PB SB MB\n");
-
-	while (i && readb(one_slot + SECONDARY_BUS)) {
-		u8 dev_func = readb(one_slot + DEV_FUNC);
-		u8 primary_bus = readb(one_slot + PRIMARY_BUS);
-		u8 secondary_bus = readb(one_slot + SECONDARY_BUS);
-		u8 max_bus = readb(one_slot + MAX_BUS);
-		u16 io_base = readw(one_slot + IO_BASE);
-		u16 io_length = readw(one_slot + IO_LENGTH);
-		u16 mem_base = readw(one_slot + MEM_BASE);
-		u16 mem_length = readw(one_slot + MEM_LENGTH);
-		u16 pre_mem_base = readw(one_slot + PRE_MEM_BASE);
-		u16 pre_mem_length = readw(one_slot + PRE_MEM_LENGTH);
-
-		dbg("%2.2x |  %4.4x | %4.4x |  %4.4x | %4.4x |  %4.4x | %4.4x |%2.2x %2.2x %2.2x\n",
-				dev_func, io_base, io_length, mem_base, mem_length, pre_mem_base, pre_mem_length,
-				primary_bus, secondary_bus, max_bus);
-
-		/* If this entry isn't for our controller's bus, ignore it */
-		if (primary_bus != ctrl->slot_bus) {
-			i--;
-			one_slot += sizeof(struct slot_rt);
-			continue;
-		}
-		/* find out if this entry is for an occupied slot */
-		temp_dword = 0xFFFFFFFF;
-		pci_bus->number = primary_bus;
-		pci_bus_read_config_dword(pci_bus, dev_func, PCI_VENDOR_ID, &temp_dword);
-
-		dbg("temp_D_word = %x\n", temp_dword);
-
-		if (temp_dword != 0xFFFFFFFF) {
-			index = 0;
-			func = shpchp_slot_find(primary_bus, dev_func >> 3, 0);
-
-			while (func && (func->function != (dev_func & 0x07))) {
-				dbg("func = %p b:d:f(%x:%x:%x)\n", func, primary_bus, dev_func >> 3, index);
-				func = shpchp_slot_find(primary_bus, dev_func >> 3, index++);
-			}
-
-			/* If we can't find a match, skip this table entry */
-			if (!func) {
-				i--;
-				one_slot += sizeof(struct slot_rt);
-				continue;
-			}
-			/* this may not work and shouldn't be used */
-			if (secondary_bus != primary_bus)
-				bridged_slot = 1;
-			else
-				bridged_slot = 0;
-
-			populated_slot = 1;
-		} else {
-			populated_slot = 0;
-			bridged_slot = 0;
-		}
-		dbg("slot populated =%s \n", populated_slot?"yes":"no");
-
-		/* If we've got a valid IO base, use it */
-
-		temp_ulong = io_base + io_length;
-
-		if ((io_base) && (temp_ulong <= 0x10000)) {
-			io_node = (struct pci_resource *) kmalloc(sizeof(struct pci_resource), GFP_KERNEL);
-			if (!io_node)
-				return -ENOMEM;
-
-			io_node->base = (ulong)io_base;
-			io_node->length = (ulong)io_length;
-			dbg("found io_node(base, length) = %x, %x\n", io_node->base, io_node->length);
-
-			if (!populated_slot) {
-				io_node->next = ctrl->io_head;
-				ctrl->io_head = io_node;
-			} else {
-				io_node->next = func->io_head;
-				func->io_head = io_node;
-			}
-		}
-
-		/* If we've got a valid memory base, use it */
-		temp_ulong = mem_base + mem_length;
-		if ((mem_base) && (temp_ulong <= 0x10000)) {
-			mem_node = (struct pci_resource *) kmalloc(sizeof(struct pci_resource), GFP_KERNEL);
-			if (!mem_node)
-				return -ENOMEM;
-
-			mem_node->base = (ulong)mem_base << 16;
-			mem_node->length = (ulong)(mem_length << 16);
-			dbg("found mem_node(base, length) = %x, %x\n", mem_node->base, mem_node->length);
-
-			if (!populated_slot) {
-				mem_node->next = ctrl->mem_head;
-				ctrl->mem_head = mem_node;
-			} else {
-				mem_node->next = func->mem_head;
-				func->mem_head = mem_node;
-			}
-		}
-
-		/*
-		 * If we've got a valid prefetchable memory base, and
-		 * the base + length isn't greater than 0xFFFF
-		 */
-		temp_ulong = pre_mem_base + pre_mem_length;
-		if ((pre_mem_base) && (temp_ulong <= 0x10000)) {
-			p_mem_node = (struct pci_resource *) kmalloc(sizeof(struct pci_resource), GFP_KERNEL);
-			if (!p_mem_node)
-				return -ENOMEM;
-
-			p_mem_node->base = (ulong)pre_mem_base << 16;
-			p_mem_node->length = (ulong)pre_mem_length << 16;
-			dbg("found p_mem_node(base, length) = %x, %x\n", p_mem_node->base, p_mem_node->length);
-
-			if (!populated_slot) {
-				p_mem_node->next = ctrl->p_mem_head;
-				ctrl->p_mem_head = p_mem_node;
-			} else {
-				p_mem_node->next = func->p_mem_head;
-				func->p_mem_head = p_mem_node;
-			}
-		}
-
-		/*
-		 * If we've got a valid bus number, use it
-		 * The second condition is to ignore bus numbers on
-		 * populated slots that don't have PCI-PCI bridges
-		 */
-		if (secondary_bus && (secondary_bus != primary_bus)) {
-			bus_node = (struct pci_resource *) kmalloc(sizeof(struct pci_resource), GFP_KERNEL);
-			if (!bus_node)
-				return -ENOMEM;
-
-			bus_node->base = (ulong)secondary_bus;
-			bus_node->length = (ulong)(max_bus - secondary_bus + 1);
-			dbg("found bus_node(base, length) = %x, %x\n", bus_node->base, bus_node->length);
-
-			if (!populated_slot) {
-				bus_node->next = ctrl->bus_head;
-				ctrl->bus_head = bus_node;
-			} else {
-				bus_node->next = func->bus_head;
-				func->bus_head = bus_node;
-			}
-		}
-
-		i--;
-		one_slot += sizeof(struct slot_rt);
-	}
-
-	/* If all of the following fail, we don't have any resources for hot plug add */
-	rc = 1;
-	rc &= shpchp_resource_sort_and_combine(&(ctrl->mem_head));
-	rc &= shpchp_resource_sort_and_combine(&(ctrl->p_mem_head));
-	rc &= shpchp_resource_sort_and_combine(&(ctrl->io_head));
-	rc &= shpchp_resource_sort_and_combine(&(ctrl->bus_head));
-
-	return (rc);
+	return;
 }
 
-int shpchprm_set_hpp(
-	struct controller *ctrl,
-	struct pci_func *func,
-	u8	card_type)
-{
-	u32 rc;
-	u8 temp_byte;
-	struct pci_bus lpci_bus, *pci_bus;
-	unsigned int	devfn;
-	memcpy(&lpci_bus, ctrl->pci_bus, sizeof(lpci_bus));
-	pci_bus = &lpci_bus;
-	pci_bus->number = func->bus;
-	devfn = PCI_DEVFN(func->device, func->function);
-
-	temp_byte = 0x40;	/* hard coded value for LT */
-	if (card_type == PCI_HEADER_TYPE_BRIDGE) {
-		/* set subordinate Latency Timer */
-		rc = pci_bus_write_config_byte(pci_bus, devfn, PCI_SEC_LATENCY_TIMER, temp_byte);
-		if (rc) {
-			dbg("%s: set secondary LT error. b:d:f(%02x:%02x:%02x)\n", __FUNCTION__, func->bus, 
-				func->device, func->function);
-			return rc;
-		}
-	}
-
-	/* set base Latency Timer */
-	rc = pci_bus_write_config_byte(pci_bus, devfn, PCI_LATENCY_TIMER, temp_byte);
-	if (rc) {
-		dbg("%s: set LT error. b:d:f(%02x:%02x:%02x)\n", __FUNCTION__, func->bus, func->device, func->function);
-		return rc;
-	}
-
-	/* set Cache Line size */
-	temp_byte = 0x08;	/* hard coded value for CLS */
-	rc = pci_bus_write_config_byte(pci_bus, devfn, PCI_CACHE_LINE_SIZE, temp_byte);
-	if (rc) {
-		dbg("%s: set CLS error. b:d:f(%02x:%02x:%02x)\n", __FUNCTION__, func->bus, func->device, func->function);
-	}
-
-	/* set enable_perr */
-	/* set enable_serr */
-
-	return rc;
-}
-
-void shpchprm_enable_card(
-	struct controller *ctrl,
-	struct pci_func *func,
-	u8 card_type)
-{
-	u16 command, bcommand;
-	struct pci_bus lpci_bus, *pci_bus;
-	unsigned int devfn;
-	int rc;
-
-	memcpy(&lpci_bus, ctrl->pci_bus, sizeof(lpci_bus));
-	pci_bus = &lpci_bus;
-	pci_bus->number = func->bus;
-	devfn = PCI_DEVFN(func->device, func->function);
-
-	rc = pci_bus_read_config_word(pci_bus, devfn, PCI_COMMAND, &command);
-	command |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR
-		| PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE
-		| PCI_COMMAND_IO | PCI_COMMAND_MEMORY;
-	rc = pci_bus_write_config_word(pci_bus, devfn, PCI_COMMAND, command);
-
-	if (card_type == PCI_HEADER_TYPE_BRIDGE) {
-		rc = pci_bus_read_config_word(pci_bus, devfn, PCI_BRIDGE_CONTROL, &bcommand);
-		bcommand |= PCI_BRIDGE_CTL_PARITY | PCI_BRIDGE_CTL_SERR
-			| PCI_BRIDGE_CTL_NO_ISA;
-		rc = pci_bus_write_config_word(pci_bus, devfn, PCI_BRIDGE_CONTROL, bcommand);
-	}
-}
-
-static int legacy_shpchprm_init_pci(void)
-{
-	shpchp_rom_start = ioremap(ROM_PHY_ADDR, ROM_PHY_LEN);
-	if (!shpchp_rom_start) {
-		err("Could not ioremap memory region for ROM\n");
-		return -EIO;
-	}
-
-	return 0;
-}
-
-int shpchprm_init(enum php_ctlr_type ctrl_type)
-{
-	int retval;
-
-	switch (ctrl_type) {
-	case PCI:
-		retval = legacy_shpchprm_init_pci();
-		break;
-	default:
-		retval = -ENODEV;
-		break;
-	}
-
-	return retval;
-}