[MIPS] Remove support for NEC DDB5476.

As warned several times before.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

3 files changed, 0 insertions, 380 deletions

diff --git a/arch/mips/pci/Makefile b/arch/mips/pci/Makefile
index d028197d832..c5f5516f469 100644
--- a/arch/mips/pci/Makefile
+++ b/arch/mips/pci/Makefile
@@ -22,7 +22,6 @@ obj-$(CONFIG_NEC_CMBVR4133)	+= fixup-vr4133.o
 #
 # These are still pretty much in the old state, watch, go blind.
 #
-obj-$(CONFIG_DDB5476)		+= ops-ddb5476.o pci-ddb5476.o
 obj-$(CONFIG_DDB5477)		+= fixup-ddb5477.o pci-ddb5477.o ops-ddb5477.o
 obj-$(CONFIG_LASAT)		+= pci-lasat.o
 obj-$(CONFIG_MIPS_ATLAS)	+= fixup-atlas.o
diff --git a/arch/mips/pci/ops-ddb5476.c b/arch/mips/pci/ops-ddb5476.c
deleted file mode 100644
index 12da58e75ec..00000000000
--- a/arch/mips/pci/ops-ddb5476.c
+++ /dev/null
@@ -1,286 +0,0 @@
-/*
- * Copyright 2001 MontaVista Software Inc.
- * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
- *
- * arch/mips/ddb5xxx/ddb5476/pci_ops.c
- *     Define the pci_ops for DB5477.
- *
- * Much of the code is derived from the original DDB5074 port by
- * Geert Uytterhoeven <geert@sonycom.com>
- *
- * 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;  either version 2 of the  License, or (at your
- * option) any later version.
- *
- */
-#include <linux/pci.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-
-#include <asm/addrspace.h>
-#include <asm/debug.h>
-
-#include <asm/ddb5xxx/ddb5xxx.h>
-
-/*
- * config_swap structure records what set of pdar/pmr are used
- * to access pci config space.  It also provides a place hold the
- * original values for future restoring.
- */
-struct pci_config_swap {
-	u32 pdar;
-	u32 pmr;
-	u32 config_base;
-	u32 config_size;
-	u32 pdar_backup;
-	u32 pmr_backup;
-};
-
-/*
- * On DDB5476, we have one set of swap registers
- */
-struct pci_config_swap ext_pci_swap = {
-	DDB_PCIW0,
-	DDB_PCIINIT0,
-	DDB_PCI_CONFIG_BASE,
-	DDB_PCI_CONFIG_SIZE
-};
-
-static int pci_config_workaround = 1;
-
-/*
- * access config space
- */
-static inline u32 ddb_access_config_base(struct pci_config_swap *swap, u32 bus,	/* 0 means top level bus */
-					 u32 slot_num)
-{
-	u32 pci_addr = 0;
-	u32 pciinit_offset = 0;
-	u32 virt_addr = swap->config_base;
-	u32 option;
-
-	if (pci_config_workaround) {
-		/* [jsun] work around Vrc5476 controller itself, returnning
-		 * slot 0 essentially makes vrc5476 invisible
-		 */
-		if (slot_num == 12)
-			slot_num = 0;
-
-#if 0
-		/* BUG : skip P2P bridge for now */
-		if (slot_num == 5)
-			slot_num = 0;
-#endif
-
-	} else {
-		/* now we have to be hornest, returning the true
-		 * PCI config headers for vrc5476
-		 */
-		if (slot_num == 12) {
-			swap->pdar_backup = ddb_in32(swap->pdar);
-			swap->pmr_backup = ddb_in32(swap->pmr);
-			return DDB_BASE + DDB_PCI_BASE;
-		}
-	}
-
-	/* minimum pdar (window) size is 2MB */
-	db_assert(swap->config_size >= (2 << 20));
-
-	db_assert(slot_num < (1 << 5));
-	db_assert(bus < (1 << 8));
-
-	/* backup registers */
-	swap->pdar_backup = ddb_in32(swap->pdar);
-	swap->pmr_backup = ddb_in32(swap->pmr);
-
-	/* set the pdar (pci window) register */
-	ddb_set_pdar(swap->pdar, swap->config_base, swap->config_size, 32,	/* 32 bit wide */
-		     0,		/* not on local memory bus */
-		     0);	/* not visible from PCI bus (N/A) */
-
-	/*
-	 * calcuate the absolute pci config addr;
-	 * according to the spec, we start scanning from adr:11 (0x800)
-	 */
-	if (bus == 0) {
-		/* type 0 config */
-		pci_addr = 0x800 << slot_num;
-	} else {
-		/* type 1 config */
-		pci_addr = (bus << 16) | (slot_num << 11);
-		/* panic("ddb_access_config_base: we don't support type 1 config Yet"); */
-	}
-
-	/*
-	 * if pci_addr is less than pci config window size,  we set
-	 * pciinit_offset to 0 and adjust the virt_address.
-	 * Otherwise we will try to adjust pciinit_offset.
-	 */
-	if (pci_addr < swap->config_size) {
-		virt_addr = KSEG1ADDR(swap->config_base + pci_addr);
-		pciinit_offset = 0;
-	} else {
-		db_assert((pci_addr & (swap->config_size - 1)) == 0);
-		virt_addr = KSEG1ADDR(swap->config_base);
-		pciinit_offset = pci_addr;
-	}
-
-	/* set the pmr register */
-	option = DDB_PCI_ACCESS_32;
-	if (bus != 0)
-		option |= DDB_PCI_CFGTYPE1;
-	ddb_set_pmr(swap->pmr, DDB_PCICMD_CFG, pciinit_offset, option);
-
-	return virt_addr;
-}
-
-static inline void ddb_close_config_base(struct pci_config_swap *swap)
-{
-	ddb_out32(swap->pdar, swap->pdar_backup);
-	ddb_out32(swap->pmr, swap->pmr_backup);
-}
-
-static int read_config_dword(struct pci_config_swap *swap,
-			     struct pci_dev *dev, u32 where, u32 * val)
-{
-	u32 bus, slot_num, func_num;
-	u32 base;
-
-	db_assert((where & 3) == 0);
-	db_assert(where < (1 << 8));
-
-	/* check if the bus is top-level */
-	if (dev->bus->parent != NULL) {
-		bus = dev->bus->number;
-		db_assert(bus != 0);
-	} else {
-		bus = 0;
-	}
-
-	slot_num = PCI_SLOT(dev->devfn);
-	func_num = PCI_FUNC(dev->devfn);
-	base = ddb_access_config_base(swap, bus, slot_num);
-	*val = *(volatile u32 *) (base + (func_num << 8) + where);
-	ddb_close_config_base(swap);
-	return PCIBIOS_SUCCESSFUL;
-}
-
-static int read_config_word(struct pci_config_swap *swap,
-			    struct pci_dev *dev, u32 where, u16 * val)
-{
-	int status;
-	u32 result;
-
-	db_assert((where & 1) == 0);
-
-	status = read_config_dword(swap, dev, where & ~3, &result);
-	if (where & 2)
-		result >>= 16;
-	*val = result & 0xffff;
-	return status;
-}
-
-static int read_config_byte(struct pci_config_swap *swap,
-			    struct pci_dev *dev, u32 where, u8 * val)
-{
-	int status;
-	u32 result;
-
-	status = read_config_dword(swap, dev, where & ~3, &result);
-	if (where & 1)
-		result >>= 8;
-	if (where & 2)
-		result >>= 16;
-	*val = result & 0xff;
-	return status;
-}
-
-static int write_config_dword(struct pci_config_swap *swap,
-			      struct pci_dev *dev, u32 where, u32 val)
-{
-	u32 bus, slot_num, func_num;
-	u32 base;
-
-	db_assert((where & 3) == 0);
-	db_assert(where < (1 << 8));
-
-	/* check if the bus is top-level */
-	if (dev->bus->parent != NULL) {
-		bus = dev->bus->number;
-		db_assert(bus != 0);
-	} else {
-		bus = 0;
-	}
-
-	slot_num = PCI_SLOT(dev->devfn);
-	func_num = PCI_FUNC(dev->devfn);
-	base = ddb_access_config_base(swap, bus, slot_num);
-	*(volatile u32 *) (base + (func_num << 8) + where) = val;
-	ddb_close_config_base(swap);
-	return PCIBIOS_SUCCESSFUL;
-}
-
-static int write_config_word(struct pci_config_swap *swap,
-			     struct pci_dev *dev, u32 where, u16 val)
-{
-	int status, shift = 0;
-	u32 result;
-
-	db_assert((where & 1) == 0);
-
-	status = read_config_dword(swap, dev, where & ~3, &result);
-	if (status != PCIBIOS_SUCCESSFUL)
-		return status;
-
-	if (where & 2)
-		shift += 16;
-	result &= ~(0xffff << shift);
-	result |= val << shift;
-	return write_config_dword(swap, dev, where & ~3, result);
-}
-
-static int write_config_byte(struct pci_config_swap *swap,
-			     struct pci_dev *dev, u32 where, u8 val)
-{
-	int status, shift = 0;
-	u32 result;
-
-	status = read_config_dword(swap, dev, where & ~3, &result);
-	if (status != PCIBIOS_SUCCESSFUL)
-		return status;
-
-	if (where & 2)
-		shift += 16;
-	if (where & 1)
-		shift += 8;
-	result &= ~(0xff << shift);
-	result |= val << shift;
-	return write_config_dword(swap, dev, where & ~3, result);
-}
-
-#define	MAKE_PCI_OPS(prefix, rw, unitname, unittype, pciswap) \
-static int prefix##_##rw##_config_##unitname(struct pci_dev *dev, int where, unittype val) \
-{ \
-     return rw##_config_##unitname(pciswap, \
-                                   dev, \
-                                   where, \
-                                   val); \
-}
-
-MAKE_PCI_OPS(extpci, read, byte, u8 *, &ext_pci_swap)
-    MAKE_PCI_OPS(extpci, read, word, u16 *, &ext_pci_swap)
-    MAKE_PCI_OPS(extpci, read, dword, u32 *, &ext_pci_swap)
-
-    MAKE_PCI_OPS(extpci, write, byte, u8, &ext_pci_swap)
-    MAKE_PCI_OPS(extpci, write, word, u16, &ext_pci_swap)
-    MAKE_PCI_OPS(extpci, write, dword, u32, &ext_pci_swap)
-
-struct pci_ops ddb5476_ext_pci_ops = {
-	extpci_read_config_byte,
-	extpci_read_config_word,
-	extpci_read_config_dword,
-	extpci_write_config_byte,
-	extpci_write_config_word,
-	extpci_write_config_dword
-};
diff --git a/arch/mips/pci/pci-ddb5476.c b/arch/mips/pci/pci-ddb5476.c
deleted file mode 100644
index 2f44c0b783d..00000000000
--- a/arch/mips/pci/pci-ddb5476.c
+++ /dev/null
@@ -1,93 +0,0 @@
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/pci.h>
-
-#include <asm/debug.h>
-
-#include <asm/ddb5xxx/ddb5xxx.h>
-
-static struct resource extpci_io_resource = {
-	.start	= 0x1000,		/* leave some room for ISA bus */
-	.end	= DDB_PCI_IO_SIZE - 1,
-	.name	= "pci IO space",
-	.flags	= IORESOURCE_IO
-};
-
-static struct resource extpci_mem_resource = {
-	.start	= DDB_PCI_MEM_BASE + 0x00100000,	/* leave 1 MB for RTC */
-	.end	= DDB_PCI_MEM_BASE + DDB_PCI_MEM_SIZE - 1,
-	.name	= "pci memory space",
-	.flags	= IORESOURCE_MEM
-};
-
-extern struct pci_ops ddb5476_ext_pci_ops;
-
-struct pci_controller ddb5476_controller = {
-	.pci_ops	= &ddb5476_ext_pci_ops,
-	.io_resource	= &extpci_io_resource,
-	.mem_resource	= &extpci_mem_resource
-};
-
-
-/*
- * we fix up irqs based on the slot number.
- * The first entry is at AD:11.
- *
- * This does not work for devices on sub-buses yet.
- */
-
-/*
- * temporary
- */
-
-#define		PCI_EXT_INTA		8
-#define		PCI_EXT_INTB		9
-#define		PCI_EXT_INTC		10
-#define		PCI_EXT_INTD		11
-#define		PCI_EXT_INTE		12
-
-/*
- * based on ddb5477 manual page 11
- */
-#define		MAX_SLOT_NUM		21
-static unsigned char irq_map[MAX_SLOT_NUM] = {
- [ 2] = 9,				/* AD:13	USB		*/
- [ 3] = 10,				/* AD:14	PMU		*/
- [ 5] = 0,				/* AD:16 	P2P bridge	*/
- [ 6] = nile4_to_irq(PCI_EXT_INTB),	/* AD:17			*/
- [ 7] =	nile4_to_irq(PCI_EXT_INTC),	/* AD:18			*/
- [ 8] = nile4_to_irq(PCI_EXT_INTD),	/* AD:19			*/
- [ 9] = nile4_to_irq(PCI_EXT_INTA),	/* AD:20			*/
- [13] = 14,				/* AD:24 HD controller, M5229	*/
-};
-
-int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
-{
-	return irq_map[slot];
-}
-
-/* Do platform specific device initialization at pci_enable_device() time */
-int pcibios_plat_dev_init(struct pci_dev *dev)
-{
-	return 0;
-}
-
-void __init ddb_pci_reset_bus(void)
-{
-	u32 temp;
-
-	/*
-	 * I am not sure about the "official" procedure, the following
-	 * steps work as far as I know:
-	 * We first set PCI cold reset bit (bit 31) in PCICTRL-H.
-	 * Then we clear the PCI warm reset bit (bit 30) to 0 in PCICTRL-H.
-	 * The same is true for both PCI channels.
-	 */
-	temp = ddb_in32(DDB_PCICTRL + 4);
-	temp |= 0x80000000;
-	ddb_out32(DDB_PCICTRL + 4, temp);
-	temp &= ~0xc0000000;
-	ddb_out32(DDB_PCICTRL + 4, temp);
-
-}