diff options
Diffstat (limited to 'target/linux/ar71xx/patches-3.2/102-MIPS-ath79-separate-common-PCI-code.patch')
| -rw-r--r-- | target/linux/ar71xx/patches-3.2/102-MIPS-ath79-separate-common-PCI-code.patch | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-3.2/102-MIPS-ath79-separate-common-PCI-code.patch b/target/linux/ar71xx/patches-3.2/102-MIPS-ath79-separate-common-PCI-code.patch new file mode 100644 index 0000000..547f4fb --- /dev/null +++ b/target/linux/ar71xx/patches-3.2/102-MIPS-ath79-separate-common-PCI-code.patch @@ -0,0 +1,151 @@ +From c98b48027516a2e71688a5957e4e0120f4aa8c61 Mon Sep 17 00:00:00 2001 +From: Gabor Juhos <juhosg@openwrt.org> +Date: Fri, 18 Nov 2011 09:47:44 +0100 +Subject: [PATCH 02/35] MIPS: ath79: separate common PCI code +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +The 'pcibios_map_irq' and 'pcibios_plat_dev_init' +are common functions and only instance one of them +can be present in a single kernel. + +Currently these functions can be built only if the +CONFIG_SOC_AR724X option is selected. However the +ath79 platform contain support for the AR71XX SoCs,. +The AR71XX SoCs have a differnet PCI controller, +and those will require a different code. + +Move the common PCI code into a separeate file in +order to be able to use that with other SoCs as +well. + +Signed-off-by: Gabor Juhos <juhosg@openwrt.org> +Acked-by: René Bolldorf <xsecute@googlemail.com> + +v4: - add an Acked-by tag from René +v3: - no changes +v2: - no changes +--- + arch/mips/ath79/Makefile | 1 + + arch/mips/ath79/pci.c | 46 +++++++++++++++++++++++++++++++++++++++++++ + arch/mips/pci/pci-ath724x.c | 34 ------------------------------- + 3 files changed, 47 insertions(+), 34 deletions(-) + create mode 100644 arch/mips/ath79/pci.c + +--- a/arch/mips/ath79/Makefile ++++ b/arch/mips/ath79/Makefile +@@ -11,6 +11,7 @@ + obj-y := prom.o setup.o irq.o common.o clock.o gpio.o + + obj-$(CONFIG_EARLY_PRINTK) += early_printk.o ++obj-$(CONFIG_PCI) += pci.o + + # + # Devices +--- /dev/null ++++ b/arch/mips/ath79/pci.c +@@ -0,0 +1,46 @@ ++/* ++ * Atheros AR71XX/AR724X specific PCI setup code ++ * ++ * Copyright (C) 2011 René Bolldorf <xsecute@googlemail.com> ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License version 2 as published ++ * by the Free Software Foundation. ++ */ ++ ++#include <linux/pci.h> ++#include <asm/mach-ath79/pci-ath724x.h> ++ ++static struct ath724x_pci_data *pci_data; ++static int pci_data_size; ++ ++void ath724x_pci_add_data(struct ath724x_pci_data *data, int size) ++{ ++ pci_data = data; ++ pci_data_size = size; ++} ++ ++int __init pcibios_map_irq(const struct pci_dev *dev, uint8_t slot, uint8_t pin) ++{ ++ unsigned int devfn = dev->devfn; ++ int irq = -1; ++ ++ if (devfn > pci_data_size - 1) ++ return irq; ++ ++ irq = pci_data[devfn].irq; ++ ++ return irq; ++} ++ ++int pcibios_plat_dev_init(struct pci_dev *dev) ++{ ++ unsigned int devfn = dev->devfn; ++ ++ if (devfn > pci_data_size - 1) ++ return PCIBIOS_DEVICE_NOT_FOUND; ++ ++ dev->dev.platform_data = pci_data[devfn].pdata; ++ ++ return PCIBIOS_SUCCESSFUL; ++} +--- a/arch/mips/pci/pci-ath724x.c ++++ b/arch/mips/pci/pci-ath724x.c +@@ -9,7 +9,6 @@ + */ + + #include <linux/pci.h> +-#include <asm/mach-ath79/pci-ath724x.h> + + #define reg_read(_phys) (*(unsigned int *) KSEG1ADDR(_phys)) + #define reg_write(_phys, _val) ((*(unsigned int *) KSEG1ADDR(_phys)) = (_val)) +@@ -19,8 +18,6 @@ + #define ATH724X_PCI_MEM_SIZE 0x08000000 + + static DEFINE_SPINLOCK(ath724x_pci_lock); +-static struct ath724x_pci_data *pci_data; +-static int pci_data_size; + + static int ath724x_pci_read(struct pci_bus *bus, unsigned int devfn, int where, + int size, uint32_t *value) +@@ -133,37 +130,6 @@ static struct pci_controller ath724x_pci + .mem_resource = &ath724x_mem_resource, + }; + +-void ath724x_pci_add_data(struct ath724x_pci_data *data, int size) +-{ +- pci_data = data; +- pci_data_size = size; +-} +- +-int __init pcibios_map_irq(const struct pci_dev *dev, uint8_t slot, uint8_t pin) +-{ +- unsigned int devfn = dev->devfn; +- int irq = -1; +- +- if (devfn > pci_data_size - 1) +- return irq; +- +- irq = pci_data[devfn].irq; +- +- return irq; +-} +- +-int pcibios_plat_dev_init(struct pci_dev *dev) +-{ +- unsigned int devfn = dev->devfn; +- +- if (devfn > pci_data_size - 1) +- return PCIBIOS_DEVICE_NOT_FOUND; +- +- dev->dev.platform_data = pci_data[devfn].pdata; +- +- return PCIBIOS_SUCCESSFUL; +-} +- + static int __init ath724x_pcibios_init(void) + { + register_pci_controller(&ath724x_pci_controller); |