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authorThomas Bogendoerfer <tsbogend@alpha.franken.de>2020-04-20 14:37:24 +0200
committerThomas Bogendoerfer <tsbogend@alpha.franken.de>2020-05-09 18:05:57 +0200
commit1ce4530cce233edd99d66a9fcdea20c86e8536c0 (patch)
tree54a016aa20d7977947bc0679c28b1dcc22200a21 /arch/mips/pci
parent1b00767fd8e1b49685ee7237c3875b8aa998ae3b (diff)
MIPS: Remove NEC MARKEINS/EMMA
No (active) developer owns this hardware, so let's remove Linux support. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Diffstat (limited to 'arch/mips/pci')
-rw-r--r--arch/mips/pci/Makefile1
-rw-r--r--arch/mips/pci/fixup-emma2rh.c84
-rw-r--r--arch/mips/pci/ops-emma2rh.c167
-rw-r--r--arch/mips/pci/pci-emma2rh.c72
4 files changed, 0 insertions, 324 deletions
diff --git a/arch/mips/pci/Makefile b/arch/mips/pci/Makefile
index aeac09090fb4..f238d7b9e0b2 100644
--- a/arch/mips/pci/Makefile
+++ b/arch/mips/pci/Makefile
@@ -15,7 +15,6 @@ obj-$(CONFIG_PCI_GT64XXX_PCI0) += ops-gt64xxx_pci0.o
obj-$(CONFIG_MIPS_MSC) += ops-msc.o
obj-$(CONFIG_SOC_TX3927) += ops-tx3927.o
obj-$(CONFIG_PCI_VR41XX) += ops-vr41xx.o pci-vr41xx.o
-obj-$(CONFIG_NEC_MARKEINS) += ops-emma2rh.o pci-emma2rh.o fixup-emma2rh.o
obj-$(CONFIG_PCI_TX4927) += ops-tx4927.o
obj-$(CONFIG_BCM47XX) += pci-bcm47xx.o
obj-$(CONFIG_BCM63XX) += pci-bcm63xx.o fixup-bcm63xx.o \
diff --git a/arch/mips/pci/fixup-emma2rh.c b/arch/mips/pci/fixup-emma2rh.c
deleted file mode 100644
index 2541f9bc12de..000000000000
--- a/arch/mips/pci/fixup-emma2rh.c
+++ /dev/null
@@ -1,84 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (C) NEC Electronics Corporation 2004-2006
- *
- * This file is based on the arch/mips/ddb5xxx/ddb5477/pci.c
- *
- * Copyright 2001 MontaVista Software Inc.
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/pci.h>
-
-#include <asm/bootinfo.h>
-
-#include <asm/emma/emma2rh.h>
-
-#define EMMA2RH_PCI_HOST_SLOT 0x09
-#define EMMA2RH_USB_SLOT 0x03
-#define PCI_DEVICE_ID_NEC_EMMA2RH 0x014b /* EMMA2RH PCI Host */
-
-/*
- * we fix up irqs based on the slot number.
- * The first entry is at AD:11.
- * Fortunately this works because, although we have two pci buses,
- * they all have different slot numbers (except for rockhopper slot 20
- * which is handled below).
- *
- */
-
-#define MAX_SLOT_NUM 10
-static unsigned char irq_map[][5] = {
- [3] = {0, MARKEINS_PCI_IRQ_INTB, MARKEINS_PCI_IRQ_INTC,
- MARKEINS_PCI_IRQ_INTD, 0,},
- [4] = {0, MARKEINS_PCI_IRQ_INTA, 0, 0, 0,},
- [5] = {0, 0, 0, 0, 0,},
- [6] = {0, MARKEINS_PCI_IRQ_INTC, MARKEINS_PCI_IRQ_INTD,
- MARKEINS_PCI_IRQ_INTA, MARKEINS_PCI_IRQ_INTB,},
-};
-
-static void nec_usb_controller_fixup(struct pci_dev *dev)
-{
- if (PCI_SLOT(dev->devfn) == EMMA2RH_USB_SLOT)
- /* on board USB controller configuration */
- pci_write_config_dword(dev, 0xe4, 1 << 5);
-}
-
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_USB,
- nec_usb_controller_fixup);
-
-/*
- * Prevent the PCI layer from seeing the resources allocated to this device
- * if it is the host bridge by marking it as such. These resources are of
- * no consequence to the PCI layer (they are handled elsewhere).
- */
-static void emma2rh_pci_host_fixup(struct pci_dev *dev)
-{
- int i;
-
- if (PCI_SLOT(dev->devfn) == EMMA2RH_PCI_HOST_SLOT) {
- dev->class &= 0xff;
- dev->class |= PCI_CLASS_BRIDGE_HOST << 8;
- for (i = 0; i < PCI_NUM_RESOURCES; i++) {
- dev->resource[i].start = 0;
- dev->resource[i].end = 0;
- dev->resource[i].flags = 0;
- }
- }
-}
-
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_EMMA2RH,
- emma2rh_pci_host_fixup);
-
-int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
-{
- return irq_map[slot][pin];
-}
-
-/* Do platform specific device initialization at pci_enable_device() time */
-int pcibios_plat_dev_init(struct pci_dev *dev)
-{
- return 0;
-}
diff --git a/arch/mips/pci/ops-emma2rh.c b/arch/mips/pci/ops-emma2rh.c
deleted file mode 100644
index 65f47344536c..000000000000
--- a/arch/mips/pci/ops-emma2rh.c
+++ /dev/null
@@ -1,167 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (C) NEC Electronics Corporation 2004-2006
- *
- * This file is based on the arch/mips/pci/ops-vr41xx.c
- *
- * Copyright 2001 MontaVista Software Inc.
- */
-
-#include <linux/pci.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-
-#include <asm/addrspace.h>
-
-#include <asm/emma/emma2rh.h>
-
-#define RTABORT (0x1<<9)
-#define RMABORT (0x1<<10)
-#define EMMA2RH_PCI_SLOT_NUM 9 /* 0000:09.0 is final PCI device */
-
-/*
- * access config space
- */
-
-static int check_args(struct pci_bus *bus, u32 devfn, u32 * bus_num)
-{
- /* check if the bus is top-level */
- if (bus->parent != NULL)
- *bus_num = bus->number;
- else
- *bus_num = 0;
-
- if (*bus_num == 0) {
- /* Type 0 */
- if (PCI_SLOT(devfn) >= 10)
- return PCIBIOS_DEVICE_NOT_FOUND;
- } else {
- /* Type 1 */
- if ((*bus_num >= 64) || (PCI_SLOT(devfn) >= 16))
- return PCIBIOS_DEVICE_NOT_FOUND;
- }
- return 0;
-}
-
-static inline int set_pci_configuration_address(unsigned char bus_num,
- unsigned int devfn, int where)
-{
- u32 config_win0;
-
- emma2rh_out32(EMMA2RH_PCI_INT, ~RMABORT);
- if (bus_num == 0)
- /*
- * Type 0 configuration
- */
- config_win0 = (1 << (22 + PCI_SLOT(devfn))) | (5 << 9);
- else
- /*
- * Type 1 configuration
- */
- config_win0 = (bus_num << 26) | (PCI_SLOT(devfn) << 22) |
- (1 << 15) | (5 << 9);
-
- emma2rh_out32(EMMA2RH_PCI_IWIN0_CTR, config_win0);
-
- return 0;
-}
-
-static int pci_config_read(struct pci_bus *bus, unsigned int devfn, int where,
- int size, uint32_t * val)
-{
- u32 bus_num;
- u32 base = KSEG1ADDR(EMMA2RH_PCI_CONFIG_BASE);
- u32 backup_win0;
- u32 data;
-
- *val = 0xffffffffU;
-
- if (check_args(bus, devfn, &bus_num) == PCIBIOS_DEVICE_NOT_FOUND)
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- backup_win0 = emma2rh_in32(EMMA2RH_PCI_IWIN0_CTR);
-
- if (set_pci_configuration_address(bus_num, devfn, where) < 0)
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- data =
- *(volatile u32 *)(base + (PCI_FUNC(devfn) << 8) +
- (where & 0xfffffffc));
-
- switch (size) {
- case 1:
- *val = (data >> ((where & 3) << 3)) & 0xffU;
- break;
- case 2:
- *val = (data >> ((where & 2) << 3)) & 0xffffU;
- break;
- case 4:
- *val = data;
- break;
- default:
- emma2rh_out32(EMMA2RH_PCI_IWIN0_CTR, backup_win0);
- return PCIBIOS_FUNC_NOT_SUPPORTED;
- }
-
- emma2rh_out32(EMMA2RH_PCI_IWIN0_CTR, backup_win0);
-
- if (emma2rh_in32(EMMA2RH_PCI_INT) & RMABORT)
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int pci_config_write(struct pci_bus *bus, unsigned int devfn, int where,
- int size, u32 val)
-{
- u32 bus_num;
- u32 base = KSEG1ADDR(EMMA2RH_PCI_CONFIG_BASE);
- u32 backup_win0;
- u32 data;
- int shift;
-
- if (check_args(bus, devfn, &bus_num) == PCIBIOS_DEVICE_NOT_FOUND)
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- backup_win0 = emma2rh_in32(EMMA2RH_PCI_IWIN0_CTR);
-
- if (set_pci_configuration_address(bus_num, devfn, where) < 0)
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- /* read modify write */
- data =
- *(volatile u32 *)(base + (PCI_FUNC(devfn) << 8) +
- (where & 0xfffffffc));
-
- switch (size) {
- case 1:
- shift = (where & 3) << 3;
- data &= ~(0xffU << shift);
- data |= ((val & 0xffU) << shift);
- break;
- case 2:
- shift = (where & 2) << 3;
- data &= ~(0xffffU << shift);
- data |= ((val & 0xffffU) << shift);
- break;
- case 4:
- data = val;
- break;
- default:
- emma2rh_out32(EMMA2RH_PCI_IWIN0_CTR, backup_win0);
- return PCIBIOS_FUNC_NOT_SUPPORTED;
- }
- *(volatile u32 *)(base + (PCI_FUNC(devfn) << 8) +
- (where & 0xfffffffc)) = data;
-
- emma2rh_out32(EMMA2RH_PCI_IWIN0_CTR, backup_win0);
- if (emma2rh_in32(EMMA2RH_PCI_INT) & RMABORT)
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-struct pci_ops emma2rh_pci_ops = {
- .read = pci_config_read,
- .write = pci_config_write,
-};
diff --git a/arch/mips/pci/pci-emma2rh.c b/arch/mips/pci/pci-emma2rh.c
deleted file mode 100644
index 156091a3e341..000000000000
--- a/arch/mips/pci/pci-emma2rh.c
+++ /dev/null
@@ -1,72 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (C) NEC Electronics Corporation 2004-2006
- *
- * This file is based on the arch/mips/ddb5xxx/ddb5477/pci.c
- *
- * Copyright 2001 MontaVista Software Inc.
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/pci.h>
-
-#include <asm/bootinfo.h>
-
-#include <asm/emma/emma2rh.h>
-
-static struct resource pci_io_resource = {
- .name = "pci IO space",
- .start = EMMA2RH_PCI_IO_BASE,
- .end = EMMA2RH_PCI_IO_BASE + EMMA2RH_PCI_IO_SIZE - 1,
- .flags = IORESOURCE_IO,
-};
-
-static struct resource pci_mem_resource = {
- .name = "pci memory space",
- .start = EMMA2RH_PCI_MEM_BASE,
- .end = EMMA2RH_PCI_MEM_BASE + EMMA2RH_PCI_MEM_SIZE - 1,
- .flags = IORESOURCE_MEM,
-};
-
-extern struct pci_ops emma2rh_pci_ops;
-
-static struct pci_controller emma2rh_pci_controller = {
- .pci_ops = &emma2rh_pci_ops,
- .mem_resource = &pci_mem_resource,
- .io_resource = &pci_io_resource,
- .mem_offset = -0x04000000,
- .io_offset = 0,
-};
-
-static void __init emma2rh_pci_init(void)
-{
- /* setup PCI interface */
- emma2rh_out32(EMMA2RH_PCI_ARBIT_CTR, 0x70f);
-
- emma2rh_out32(EMMA2RH_PCI_IWIN0_CTR, 0x80000a18);
- emma2rh_out32(EMMA2RH_PCI_CONFIG_BASE + PCI_COMMAND,
- PCI_STATUS_DEVSEL_MEDIUM | PCI_STATUS_CAP_LIST |
- PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);
- emma2rh_out32(EMMA2RH_PCI_CONFIG_BASE + PCI_BASE_ADDRESS_0, 0x10000000);
- emma2rh_out32(EMMA2RH_PCI_CONFIG_BASE + PCI_BASE_ADDRESS_1, 0x00000000);
-
- emma2rh_out32(EMMA2RH_PCI_IWIN0_CTR, 0x12000000 | 0x218);
- emma2rh_out32(EMMA2RH_PCI_IWIN1_CTR, 0x18000000 | 0x600);
- emma2rh_out32(EMMA2RH_PCI_INIT_ESWP, 0x00000200);
-
- emma2rh_out32(EMMA2RH_PCI_TWIN_CTR, 0x00009200);
- emma2rh_out32(EMMA2RH_PCI_TWIN_BADR, 0x00000000);
- emma2rh_out32(EMMA2RH_PCI_TWIN0_DADR, 0x00000000);
- emma2rh_out32(EMMA2RH_PCI_TWIN1_DADR, 0x00000000);
-}
-
-static int __init emma2rh_pci_setup(void)
-{
- emma2rh_pci_init();
- register_pci_controller(&emma2rh_pci_controller);
- return 0;
-}
-
-arch_initcall(emma2rh_pci_setup);