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author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-01-14 15:08:36 +0100 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-01-14 15:08:36 +0100 |
commit | 3fb561b1e0bf4c75bc5f4d799845b08fa5ab3853 (patch) | |
tree | 5c48bb876602421d9ebec5ea33eb16407b6fcb64 /arch/mips/pci | |
parent | 3ceff4ea07410763d5d4cccd60349bf7691e7e61 (diff) | |
parent | d3115128bdafb62628ab41861a4f06f6d02ac320 (diff) | |
download | linux-3fb561b1e0bf4c75bc5f4d799845b08fa5ab3853.tar.bz2 |
Merge tag 'mips_5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS updates from Thomas Bogendoerfer:
- add support for more BCM47XX based devices
- add MIPS support for brcmstb PCIe controller
- add Loongson 2K1000 reset driver
- remove board support for rbtx4938/rbtx4939
- remove support for TX4939 SoCs
- fixes and cleanups
* tag 'mips_5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (59 commits)
MIPS: ath79: drop _machine_restart again
PCI: brcmstb: Augment driver for MIPs SOCs
MIPS: bmips: Remove obsolete DMA mapping support
MIPS: bmips: Add support PCIe controller device nodes
dt-bindings: PCI: Add compatible string for Brcmstb 74[23]5 MIPs SOCs
MIPS: compressed: Fix build with ZSTD compression
MIPS: BCM47XX: Add support for Netgear WN2500RP v1 & v2
MIPS: BCM47XX: Add support for Netgear R6300 v1
MIPS: BCM47XX: Add LEDs and buttons for Asus RTN-10U
MIPS: BCM47XX: Add board entry for Linksys WRT320N v1
MIPS: BCM47XX: Define Linksys WRT310N V2 buttons
MIPS: Remove duplicated include in local.h
MIPS: retire "asm/llsc.h"
MIPS: rework local_t operation on MIPS64
MIPS: fix local_{add,sub}_return on MIPS64
mips/pci: remove redundant ret variable
MIPS: Loongson64: Add missing of_node_put() in ls2k_reset_init()
MIPS: new Kconfig option ZBOOT_LOAD_ADDRESS
MIPS: enable both vmlinux.gz.itb and vmlinuz for generic
MIPS: signal: Return immediately if call fails
...
Diffstat (limited to 'arch/mips/pci')
-rw-r--r-- | arch/mips/pci/Makefile | 2 | ||||
-rw-r--r-- | arch/mips/pci/fixup-rbtx4938.c | 53 | ||||
-rw-r--r-- | arch/mips/pci/pci-rt3883.c | 4 | ||||
-rw-r--r-- | arch/mips/pci/pci-tx4939.c | 107 |
4 files changed, 1 insertions, 165 deletions
diff --git a/arch/mips/pci/Makefile b/arch/mips/pci/Makefile index 6ddefafd00cb..9a6bc702608c 100644 --- a/arch/mips/pci/Makefile +++ b/arch/mips/pci/Makefile @@ -49,9 +49,7 @@ obj-$(CONFIG_TANBAC_TB0287) += fixup-tb0287.o obj-$(CONFIG_TOSHIBA_JMR3927) += fixup-jmr3927.o obj-$(CONFIG_SOC_TX4927) += pci-tx4927.o obj-$(CONFIG_SOC_TX4938) += pci-tx4938.o -obj-$(CONFIG_SOC_TX4939) += pci-tx4939.o obj-$(CONFIG_TOSHIBA_RBTX4927) += fixup-rbtx4927.o -obj-$(CONFIG_TOSHIBA_RBTX4938) += fixup-rbtx4938.o obj-$(CONFIG_VICTOR_MPC30X) += fixup-mpc30x.o obj-$(CONFIG_ZAO_CAPCELLA) += fixup-capcella.o obj-$(CONFIG_MIKROTIK_RB532) += pci-rc32434.o ops-rc32434.o fixup-rc32434.o diff --git a/arch/mips/pci/fixup-rbtx4938.c b/arch/mips/pci/fixup-rbtx4938.c deleted file mode 100644 index ff22a22db73e..000000000000 --- a/arch/mips/pci/fixup-rbtx4938.c +++ /dev/null @@ -1,53 +0,0 @@ -/* - * Toshiba rbtx4938 pci routines - * Copyright (C) 2000-2001 Toshiba Corporation - * - * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the - * terms of the GNU General Public License version 2. This program is - * licensed "as is" without any warranty of any kind, whether express - * or implied. - * - * Support for TX4938 in 2.6 - Manish Lachwani (mlachwani@mvista.com) - */ -#include <linux/types.h> -#include <asm/txx9/pci.h> -#include <asm/txx9/rbtx4938.h> - -int rbtx4938_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -{ - int irq = tx4938_pcic1_map_irq(dev, slot); - - if (irq >= 0) - return irq; - irq = pin; - /* IRQ rotation */ - irq--; /* 0-3 */ - if (slot == TX4927_PCIC_IDSEL_AD_TO_SLOT(23)) { - /* PCI CardSlot (IDSEL=A23) */ - /* PCIA => PCIA (IDSEL=A23) */ - irq = (irq + 0 + slot) % 4; - } else { - /* PCI Backplane */ - if (txx9_pci_option & TXX9_PCI_OPT_PICMG) - irq = (irq + 33 - slot) % 4; - else - irq = (irq + 3 + slot) % 4; - } - irq++; /* 1-4 */ - - switch (irq) { - case 1: - irq = RBTX4938_IRQ_IOC_PCIA; - break; - case 2: - irq = RBTX4938_IRQ_IOC_PCIB; - break; - case 3: - irq = RBTX4938_IRQ_IOC_PCIC; - break; - case 4: - irq = RBTX4938_IRQ_IOC_PCID; - break; - } - return irq; -} diff --git a/arch/mips/pci/pci-rt3883.c b/arch/mips/pci/pci-rt3883.c index d3c947fa2969..e07ae098bdd8 100644 --- a/arch/mips/pci/pci-rt3883.c +++ b/arch/mips/pci/pci-rt3883.c @@ -102,14 +102,12 @@ static u32 rt3883_pci_read_cfg32(struct rt3883_pci_controller *rpc, unsigned func, unsigned reg) { u32 address; - u32 ret; address = rt3883_pci_get_cfgaddr(bus, slot, func, reg); rt3883_pci_w32(rpc, address, RT3883_PCI_REG_CFGADDR); - ret = rt3883_pci_r32(rpc, RT3883_PCI_REG_CFGDATA); - return ret; + return rt3883_pci_r32(rpc, RT3883_PCI_REG_CFGDATA); } static void rt3883_pci_write_cfg32(struct rt3883_pci_controller *rpc, diff --git a/arch/mips/pci/pci-tx4939.c b/arch/mips/pci/pci-tx4939.c deleted file mode 100644 index 09a65f7dbe7c..000000000000 --- a/arch/mips/pci/pci-tx4939.c +++ /dev/null @@ -1,107 +0,0 @@ -/* - * Based on linux/arch/mips/txx9/rbtx4939/setup.c, - * and RBTX49xx patch from CELF patch archive. - * - * Copyright 2001, 2003-2005 MontaVista Software Inc. - * Copyright (C) 2004 by Ralf Baechle (ralf@linux-mips.org) - * (C) Copyright TOSHIBA CORPORATION 2000-2001, 2004-2007 - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ -#include <linux/init.h> -#include <linux/pci.h> -#include <linux/kernel.h> -#include <linux/interrupt.h> -#include <asm/txx9/generic.h> -#include <asm/txx9/tx4939.h> - -int __init tx4939_report_pciclk(void) -{ - int pciclk = 0; - - pr_info("PCIC --%s PCICLK:", - (__raw_readq(&tx4939_ccfgptr->ccfg) & TX4939_CCFG_PCI66) ? - " PCI66" : ""); - if (__raw_readq(&tx4939_ccfgptr->pcfg) & TX4939_PCFG_PCICLKEN_ALL) { - pciclk = txx9_master_clock * 20 / 6; - if (!(__raw_readq(&tx4939_ccfgptr->ccfg) & TX4939_CCFG_PCI66)) - pciclk /= 2; - pr_cont("Internal(%u.%uMHz)", - (pciclk + 50000) / 1000000, - ((pciclk + 50000) / 100000) % 10); - } else { - pr_cont("External"); - pciclk = -1; - } - pr_cont("\n"); - return pciclk; -} - -void __init tx4939_report_pci1clk(void) -{ - unsigned int pciclk = txx9_master_clock * 20 / 6; - - pr_info("PCIC1 -- PCICLK:%u.%uMHz\n", - (pciclk + 50000) / 1000000, - ((pciclk + 50000) / 100000) % 10); -} - -int tx4939_pcic1_map_irq(const struct pci_dev *dev, u8 slot) -{ - if (get_tx4927_pcicptr(dev->bus->sysdata) == tx4939_pcic1ptr) { - switch (slot) { - case TX4927_PCIC_IDSEL_AD_TO_SLOT(31): - if (__raw_readq(&tx4939_ccfgptr->pcfg) & - TX4939_PCFG_ET0MODE) - return TXX9_IRQ_BASE + TX4939_IR_ETH(0); - break; - case TX4927_PCIC_IDSEL_AD_TO_SLOT(30): - if (__raw_readq(&tx4939_ccfgptr->pcfg) & - TX4939_PCFG_ET1MODE) - return TXX9_IRQ_BASE + TX4939_IR_ETH(1); - break; - } - return 0; - } - return -1; -} - -int tx4939_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -{ - int irq = tx4939_pcic1_map_irq(dev, slot); - - if (irq >= 0) - return irq; - irq = pin; - /* IRQ rotation */ - irq--; /* 0-3 */ - irq = (irq + 33 - slot) % 4; - irq++; /* 1-4 */ - - switch (irq) { - case 1: - irq = TXX9_IRQ_BASE + TX4939_IR_INTA; - break; - case 2: - irq = TXX9_IRQ_BASE + TX4939_IR_INTB; - break; - case 3: - irq = TXX9_IRQ_BASE + TX4939_IR_INTC; - break; - case 4: - irq = TXX9_IRQ_BASE + TX4939_IR_INTD; - break; - } - return irq; -} - -void __init tx4939_setup_pcierr_irq(void) -{ - if (request_irq(TXX9_IRQ_BASE + TX4939_IR_PCIERR, - tx4927_pcierr_interrupt, - 0, "PCI error", - (void *)TX4939_PCIC_REG)) - pr_warn("Failed to request irq for PCIERR\n"); -} |