From: Gabor Juhos Date: Mon, 4 Mar 2013 11:48:08 +0000 (+0000) Subject: ar71xx: use backported PCI patches X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=64a9fe2894ab05e504cfcb824701e59d484f5f53;p=openwrt%2Fstaging%2Fwigyori.git ar71xx: use backported PCI patches Signed-off-by: Gabor Juhos SVN-Revision: 35877 --- diff --git a/target/linux/ar71xx/patches-3.8/010-MIPS-pci-ar724x-convert-into-a-platform-driver.patch b/target/linux/ar71xx/patches-3.8/010-MIPS-pci-ar724x-convert-into-a-platform-driver.patch new file mode 100644 index 0000000000..e7b7b158b7 --- /dev/null +++ b/target/linux/ar71xx/patches-3.8/010-MIPS-pci-ar724x-convert-into-a-platform-driver.patch @@ -0,0 +1,102 @@ +From 42541838d9fdbad8573141d69cf8e38831a6cbb6 Mon Sep 17 00:00:00 2001 +From: Gabor Juhos +Date: Sat, 2 Feb 2013 11:40:42 +0000 +Subject: [PATCH] MIPS: pci-ar724x: convert into a platform driver + +commit 58d2e9bcd682d76bcb9575dc56c85f1d82a81bfa upstream. + +The patch converts the pci-ar724x driver into a +platform driver. This makes it possible to register +the PCI controller as a plain platform device. + +Signed-off-by: Gabor Juhos +Patchwork: http://patchwork.linux-mips.org/patch/4905/ +Signed-off-by: John Crispin +--- + arch/mips/pci/pci-ar724x.c | 57 ++++++++++++++++++++++++++++++++++++++++++-- + 1 file changed, 55 insertions(+), 2 deletions(-) + +--- a/arch/mips/pci/pci-ar724x.c ++++ b/arch/mips/pci/pci-ar724x.c +@@ -11,6 +11,8 @@ + + #include + #include ++#include ++#include + #include + #include + #include +@@ -262,7 +264,7 @@ static struct irq_chip ar724x_pci_irq_ch + .irq_mask_ack = ar724x_pci_irq_mask, + }; + +-static void __init ar724x_pci_irq_init(int irq) ++static void ar724x_pci_irq_init(int irq) + { + void __iomem *base; + int i; +@@ -282,7 +284,7 @@ static void __init ar724x_pci_irq_init(i + irq_set_chained_handler(irq, ar724x_pci_irq_handler); + } + +-int __init ar724x_pcibios_init(int irq) ++int ar724x_pcibios_init(int irq) + { + int ret; + +@@ -312,3 +314,54 @@ err_unmap_devcfg: + err: + return ret; + } ++ ++static int ar724x_pci_probe(struct platform_device *pdev) ++{ ++ struct resource *res; ++ int irq; ++ ++ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ctrl_base"); ++ if (!res) ++ return -EINVAL; ++ ++ ar724x_pci_ctrl_base = devm_request_and_ioremap(&pdev->dev, res); ++ if (ar724x_pci_ctrl_base == NULL) ++ return -EBUSY; ++ ++ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg_base"); ++ if (!res) ++ return -EINVAL; ++ ++ ar724x_pci_devcfg_base = devm_request_and_ioremap(&pdev->dev, res); ++ if (!ar724x_pci_devcfg_base) ++ return -EBUSY; ++ ++ irq = platform_get_irq(pdev, 0); ++ if (irq < 0) ++ return -EINVAL; ++ ++ ar724x_pci_link_up = ar724x_pci_check_link(); ++ if (!ar724x_pci_link_up) ++ dev_warn(&pdev->dev, "PCIe link is down\n"); ++ ++ ar724x_pci_irq_init(irq); ++ ++ register_pci_controller(&ar724x_pci_controller); ++ ++ return 0; ++} ++ ++static struct platform_driver ar724x_pci_driver = { ++ .probe = ar724x_pci_probe, ++ .driver = { ++ .name = "ar724x-pci", ++ .owner = THIS_MODULE, ++ }, ++}; ++ ++static int __init ar724x_pci_init(void) ++{ ++ return platform_driver_register(&ar724x_pci_driver); ++} ++ ++postcore_initcall(ar724x_pci_init); diff --git a/target/linux/ar71xx/patches-3.8/011-MIPS-pci-ar71xx-convert-into-a-platform-driver.patch b/target/linux/ar71xx/patches-3.8/011-MIPS-pci-ar71xx-convert-into-a-platform-driver.patch new file mode 100644 index 0000000000..e6bd8d0c41 --- /dev/null +++ b/target/linux/ar71xx/patches-3.8/011-MIPS-pci-ar71xx-convert-into-a-platform-driver.patch @@ -0,0 +1,112 @@ +From 060c9a226a25e044167e877d9830ec53f836da9e Mon Sep 17 00:00:00 2001 +From: Gabor Juhos +Date: Sat, 2 Feb 2013 11:40:43 +0000 +Subject: [PATCH] MIPS: pci-ar71xx: convert into a platform driver + +commit fb167e891d5cc6386840dd092af2d461b38eb802 upstream. + +The patch converts the pci-ar71xx driver into a +platform driver. This makes it possible to register +the PCI controller as a plain platform device. + +Signed-off-by: Gabor Juhos +Patchwork: http://patchwork.linux-mips.org/patch/4906/ +Signed-off-by: John Crispin +--- + arch/mips/pci/pci-ar71xx.c | 60 +++++++++++++++++++++++++++++++++++++++++--- + 1 file changed, 56 insertions(+), 4 deletions(-) + +--- a/arch/mips/pci/pci-ar71xx.c ++++ b/arch/mips/pci/pci-ar71xx.c +@@ -18,6 +18,8 @@ + #include + #include + #include ++#include ++#include + + #include + #include +@@ -309,7 +311,7 @@ static struct irq_chip ar71xx_pci_irq_ch + .irq_mask_ack = ar71xx_pci_irq_mask, + }; + +-static __init void ar71xx_pci_irq_init(void) ++static void ar71xx_pci_irq_init(int irq) + { + void __iomem *base = ath79_reset_base; + int i; +@@ -324,10 +326,10 @@ static __init void ar71xx_pci_irq_init(v + irq_set_chip_and_handler(i, &ar71xx_pci_irq_chip, + handle_level_irq); + +- irq_set_chained_handler(ATH79_CPU_IRQ_IP2, ar71xx_pci_irq_handler); ++ irq_set_chained_handler(irq, ar71xx_pci_irq_handler); + } + +-static __init void ar71xx_pci_reset(void) ++static void ar71xx_pci_reset(void) + { + void __iomem *ddr_base = ath79_ddr_base; + +@@ -367,9 +369,59 @@ __init int ar71xx_pcibios_init(void) + /* clear bus errors */ + ar71xx_pci_check_error(1); + +- ar71xx_pci_irq_init(); ++ ar71xx_pci_irq_init(ATH79_CPU_IRQ_IP2); + + register_pci_controller(&ar71xx_pci_controller); + + return 0; + } ++ ++static int ar71xx_pci_probe(struct platform_device *pdev) ++{ ++ struct resource *res; ++ int irq; ++ u32 t; ++ ++ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg_base"); ++ if (!res) ++ return -EINVAL; ++ ++ ar71xx_pcicfg_base = devm_request_and_ioremap(&pdev->dev, res); ++ if (!ar71xx_pcicfg_base) ++ return -ENOMEM; ++ ++ irq = platform_get_irq(pdev, 0); ++ if (irq < 0) ++ return -EINVAL; ++ ++ ar71xx_pci_reset(); ++ ++ /* setup COMMAND register */ ++ t = PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE ++ | PCI_COMMAND_PARITY | PCI_COMMAND_SERR | PCI_COMMAND_FAST_BACK; ++ ar71xx_pci_local_write(PCI_COMMAND, 4, t); ++ ++ /* clear bus errors */ ++ ar71xx_pci_check_error(1); ++ ++ ar71xx_pci_irq_init(irq); ++ ++ register_pci_controller(&ar71xx_pci_controller); ++ ++ return 0; ++} ++ ++static struct platform_driver ar71xx_pci_driver = { ++ .probe = ar71xx_pci_probe, ++ .driver = { ++ .name = "ar71xx-pci", ++ .owner = THIS_MODULE, ++ }, ++}; ++ ++static int __init ar71xx_pci_init(void) ++{ ++ return platform_driver_register(&ar71xx_pci_driver); ++} ++ ++postcore_initcall(ar71xx_pci_init); diff --git a/target/linux/ar71xx/patches-3.8/012-MIPS-ath79-move-global-PCI-defines-into-a-common-hea.patch b/target/linux/ar71xx/patches-3.8/012-MIPS-ath79-move-global-PCI-defines-into-a-common-hea.patch new file mode 100644 index 0000000000..eaff04b66a --- /dev/null +++ b/target/linux/ar71xx/patches-3.8/012-MIPS-ath79-move-global-PCI-defines-into-a-common-hea.patch @@ -0,0 +1,98 @@ +From 1dece618b107f5db28c8f63d4d32424dd18324d1 Mon Sep 17 00:00:00 2001 +From: Gabor Juhos +Date: Mon, 4 Feb 2013 11:56:53 +0100 +Subject: [PATCH] MIPS: ath79: move global PCI defines into a common header + +commit ad4ce92e919f7ad5561a2060deb58899de58b40c upstream. + +The constants will be used by a subsequent patch. + +Signed-off-by: Gabor Juhos +Patchwork: http://patchwork.linux-mips.org/patch/4907/ +Signed-off-by: John Crispin +--- + arch/mips/include/asm/mach-ath79/ar71xx_regs.h | 24 ++++++++++++++++++++++++ + arch/mips/pci/pci-ar71xx.c | 16 ---------------- + arch/mips/pci/pci-ar724x.c | 8 -------- + 3 files changed, 24 insertions(+), 24 deletions(-) + +--- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h ++++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h +@@ -41,11 +41,35 @@ + #define AR71XX_RESET_BASE (AR71XX_APB_BASE + 0x00060000) + #define AR71XX_RESET_SIZE 0x100 + ++#define AR71XX_PCI_MEM_BASE 0x10000000 ++#define AR71XX_PCI_MEM_SIZE 0x07000000 ++ ++#define AR71XX_PCI_WIN0_OFFS 0x10000000 ++#define AR71XX_PCI_WIN1_OFFS 0x11000000 ++#define AR71XX_PCI_WIN2_OFFS 0x12000000 ++#define AR71XX_PCI_WIN3_OFFS 0x13000000 ++#define AR71XX_PCI_WIN4_OFFS 0x14000000 ++#define AR71XX_PCI_WIN5_OFFS 0x15000000 ++#define AR71XX_PCI_WIN6_OFFS 0x16000000 ++#define AR71XX_PCI_WIN7_OFFS 0x07000000 ++ ++#define AR71XX_PCI_CFG_BASE \ ++ (AR71XX_PCI_MEM_BASE + AR71XX_PCI_WIN7_OFFS + 0x10000) ++#define AR71XX_PCI_CFG_SIZE 0x100 ++ + #define AR7240_USB_CTRL_BASE (AR71XX_APB_BASE + 0x00030000) + #define AR7240_USB_CTRL_SIZE 0x100 + #define AR7240_OHCI_BASE 0x1b000000 + #define AR7240_OHCI_SIZE 0x1000 + ++#define AR724X_PCI_MEM_BASE 0x10000000 ++#define AR724X_PCI_MEM_SIZE 0x04000000 ++ ++#define AR724X_PCI_CFG_BASE 0x14000000 ++#define AR724X_PCI_CFG_SIZE 0x1000 ++#define AR724X_PCI_CTRL_BASE (AR71XX_APB_BASE + 0x000f0000) ++#define AR724X_PCI_CTRL_SIZE 0x100 ++ + #define AR724X_EHCI_BASE 0x1b000000 + #define AR724X_EHCI_SIZE 0x1000 + +--- a/arch/mips/pci/pci-ar71xx.c ++++ b/arch/mips/pci/pci-ar71xx.c +@@ -25,22 +25,6 @@ + #include + #include + +-#define AR71XX_PCI_MEM_BASE 0x10000000 +-#define AR71XX_PCI_MEM_SIZE 0x07000000 +- +-#define AR71XX_PCI_WIN0_OFFS 0x10000000 +-#define AR71XX_PCI_WIN1_OFFS 0x11000000 +-#define AR71XX_PCI_WIN2_OFFS 0x12000000 +-#define AR71XX_PCI_WIN3_OFFS 0x13000000 +-#define AR71XX_PCI_WIN4_OFFS 0x14000000 +-#define AR71XX_PCI_WIN5_OFFS 0x15000000 +-#define AR71XX_PCI_WIN6_OFFS 0x16000000 +-#define AR71XX_PCI_WIN7_OFFS 0x07000000 +- +-#define AR71XX_PCI_CFG_BASE \ +- (AR71XX_PCI_MEM_BASE + AR71XX_PCI_WIN7_OFFS + 0x10000) +-#define AR71XX_PCI_CFG_SIZE 0x100 +- + #define AR71XX_PCI_REG_CRP_AD_CBE 0x00 + #define AR71XX_PCI_REG_CRP_WRDATA 0x04 + #define AR71XX_PCI_REG_CRP_RDDATA 0x08 +--- a/arch/mips/pci/pci-ar724x.c ++++ b/arch/mips/pci/pci-ar724x.c +@@ -17,14 +17,6 @@ + #include + #include + +-#define AR724X_PCI_CFG_BASE 0x14000000 +-#define AR724X_PCI_CFG_SIZE 0x1000 +-#define AR724X_PCI_CTRL_BASE (AR71XX_APB_BASE + 0x000f0000) +-#define AR724X_PCI_CTRL_SIZE 0x100 +- +-#define AR724X_PCI_MEM_BASE 0x10000000 +-#define AR724X_PCI_MEM_SIZE 0x04000000 +- + #define AR724X_PCI_REG_RESET 0x18 + #define AR724X_PCI_REG_INT_STATUS 0x4c + #define AR724X_PCI_REG_INT_MASK 0x50 diff --git a/target/linux/ar71xx/patches-3.8/013-MIPS-ath79-register-platform-devices-for-the-PCI-con.patch b/target/linux/ar71xx/patches-3.8/013-MIPS-ath79-register-platform-devices-for-the-PCI-con.patch new file mode 100644 index 0000000000..eee791e85a --- /dev/null +++ b/target/linux/ar71xx/patches-3.8/013-MIPS-ath79-register-platform-devices-for-the-PCI-con.patch @@ -0,0 +1,129 @@ +From 87cdbe4315e4c72c2bc8568d1258e1207e1c772b Mon Sep 17 00:00:00 2001 +From: Gabor Juhos +Date: Sat, 2 Feb 2013 11:44:24 +0000 +Subject: [PATCH] MIPS: ath79: register platform devices for the PCI + controllers + +commit 9fc1ca5b73a82daedffa2d1d5daa48dd2093c39a upstream. + +The pci-ar71xx and pci-ar724x drivers were converted +into platform drivers. Register the corresponding +platform devices for the PCI controllers instead +of using the ar7{1x,24}x_pcibios_init functions. + +Signed-off-by: Gabor Juhos +Patchwork: http://patchwork.linux-mips.org/patch/4908/ +Signed-off-by: John Crispin +--- + arch/mips/ath79/pci.c | 87 ++++++++++++++++++++++++++++++++++++++++++++----- + 1 file changed, 78 insertions(+), 9 deletions(-) + +--- a/arch/mips/ath79/pci.c ++++ b/arch/mips/ath79/pci.c +@@ -14,6 +14,8 @@ + + #include + #include ++#include ++#include + #include + #include + #include +@@ -110,21 +112,88 @@ void __init ath79_pci_set_plat_dev_init( + ath79_pci_plat_dev_init = func; + } + +-int __init ath79_register_pci(void) ++static struct platform_device * ++ath79_register_pci_ar71xx(void) + { +- if (soc_is_ar71xx()) +- return ar71xx_pcibios_init(); ++ struct platform_device *pdev; ++ struct resource res[2]; ++ ++ memset(res, 0, sizeof(res)); + +- if (soc_is_ar724x()) +- return ar724x_pcibios_init(ATH79_CPU_IRQ_IP2); ++ res[0].name = "cfg_base"; ++ res[0].flags = IORESOURCE_MEM; ++ res[0].start = AR71XX_PCI_CFG_BASE; ++ res[0].end = AR71XX_PCI_CFG_BASE + AR71XX_PCI_CFG_SIZE - 1; ++ ++ res[1].flags = IORESOURCE_IRQ; ++ res[1].start = ATH79_CPU_IRQ_IP2; ++ res[1].end = ATH79_CPU_IRQ_IP2; ++ ++ pdev = platform_device_register_simple("ar71xx-pci", -1, ++ res, ARRAY_SIZE(res)); ++ return pdev; ++} + +- if (soc_is_ar9342() || soc_is_ar9344()) { ++static struct platform_device * ++ath79_register_pci_ar724x(int id, ++ unsigned long cfg_base, ++ unsigned long ctrl_base, ++ int irq) ++{ ++ struct platform_device *pdev; ++ struct resource res[3]; ++ ++ memset(res, 0, sizeof(res)); ++ ++ res[0].name = "cfg_base"; ++ res[0].flags = IORESOURCE_MEM; ++ res[0].start = cfg_base; ++ res[0].end = cfg_base + AR724X_PCI_CFG_SIZE - 1; ++ ++ res[1].name = "ctrl_base"; ++ res[1].flags = IORESOURCE_MEM; ++ res[1].start = ctrl_base; ++ res[1].end = ctrl_base + AR724X_PCI_CTRL_SIZE - 1; ++ ++ res[2].flags = IORESOURCE_IRQ; ++ res[2].start = irq; ++ res[2].end = irq; ++ ++ pdev = platform_device_register_simple("ar724x-pci", id, ++ res, ARRAY_SIZE(res)); ++ return pdev; ++} ++ ++int __init ath79_register_pci(void) ++{ ++ struct platform_device *pdev = NULL; ++ ++ if (soc_is_ar71xx()) { ++ pdev = ath79_register_pci_ar71xx(); ++ } else if (soc_is_ar724x()) { ++ pdev = ath79_register_pci_ar724x(-1, ++ AR724X_PCI_CFG_BASE, ++ AR724X_PCI_CTRL_BASE, ++ ATH79_CPU_IRQ_IP2); ++ } else if (soc_is_ar9342() || ++ soc_is_ar9344()) { + u32 bootstrap; + + bootstrap = ath79_reset_rr(AR934X_RESET_REG_BOOTSTRAP); +- if (bootstrap & AR934X_BOOTSTRAP_PCIE_RC) +- return ar724x_pcibios_init(ATH79_IP2_IRQ(0)); ++ if ((bootstrap & AR934X_BOOTSTRAP_PCIE_RC) == 0) ++ return -ENODEV; ++ ++ pdev = ath79_register_pci_ar724x(-1, ++ AR724X_PCI_CFG_BASE, ++ AR724X_PCI_CTRL_BASE, ++ ATH79_IP2_IRQ(0)); ++ } else { ++ /* No PCI support */ ++ return -ENODEV; + } + +- return -ENODEV; ++ if (!pdev) ++ pr_err("unable to register PCI controller device\n"); ++ ++ return pdev ? 0 : -ENODEV; + } diff --git a/target/linux/ar71xx/patches-3.8/014-MIPS-ath79-remove-unused-ar7-1x-24-x_pcibios_init-fu.patch b/target/linux/ar71xx/patches-3.8/014-MIPS-ath79-remove-unused-ar7-1x-24-x_pcibios_init-fu.patch new file mode 100644 index 0000000000..978a33def6 --- /dev/null +++ b/target/linux/ar71xx/patches-3.8/014-MIPS-ath79-remove-unused-ar7-1x-24-x_pcibios_init-fu.patch @@ -0,0 +1,152 @@ +From db36c9d6a6be232bdee245407fc8ccde53ea69c6 Mon Sep 17 00:00:00 2001 +From: Gabor Juhos +Date: Mon, 4 Feb 2013 11:58:49 +0100 +Subject: [PATCH] MIPS: ath79: remove unused ar7{1x,24}x_pcibios_init + functions + +commit 6e783865b4e60f2ecf7708f8ea24db5c5ea07ced upstream. + +The functions are unused now, so remove them. + +Signed-off-by: Gabor Juhos +Patchwork: http://patchwork.linux-mips.org/patch/4909/ +Signed-off-by: John Crispin +--- + arch/mips/ath79/pci.c | 1 - + arch/mips/include/asm/mach-ath79/pci.h | 28 ---------------------------- + arch/mips/pci/pci-ar71xx.c | 26 -------------------------- + arch/mips/pci/pci-ar724x.c | 32 -------------------------------- + 4 files changed, 87 deletions(-) + delete mode 100644 arch/mips/include/asm/mach-ath79/pci.h + +--- a/arch/mips/ath79/pci.c ++++ b/arch/mips/ath79/pci.c +@@ -19,7 +19,6 @@ + #include + #include + #include +-#include + #include "pci.h" + + static int (*ath79_pci_plat_dev_init)(struct pci_dev *dev); +--- a/arch/mips/include/asm/mach-ath79/pci.h ++++ /dev/null +@@ -1,28 +0,0 @@ +-/* +- * Atheros AR71XX/AR724X PCI support +- * +- * Copyright (C) 2011 René Bolldorf +- * Copyright (C) 2008-2011 Gabor Juhos +- * Copyright (C) 2008 Imre Kaloz +- * +- * 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. +- */ +- +-#ifndef __ASM_MACH_ATH79_PCI_H +-#define __ASM_MACH_ATH79_PCI_H +- +-#if defined(CONFIG_PCI) && defined(CONFIG_SOC_AR71XX) +-int ar71xx_pcibios_init(void); +-#else +-static inline int ar71xx_pcibios_init(void) { return 0; } +-#endif +- +-#if defined(CONFIG_PCI_AR724X) +-int ar724x_pcibios_init(int irq); +-#else +-static inline int ar724x_pcibios_init(int irq) { return 0; } +-#endif +- +-#endif /* __ASM_MACH_ATH79_PCI_H */ +--- a/arch/mips/pci/pci-ar71xx.c ++++ b/arch/mips/pci/pci-ar71xx.c +@@ -23,7 +23,6 @@ + + #include + #include +-#include + + #define AR71XX_PCI_REG_CRP_AD_CBE 0x00 + #define AR71XX_PCI_REG_CRP_WRDATA 0x04 +@@ -335,31 +334,6 @@ static void ar71xx_pci_reset(void) + mdelay(100); + } + +-__init int ar71xx_pcibios_init(void) +-{ +- u32 t; +- +- ar71xx_pcicfg_base = ioremap(AR71XX_PCI_CFG_BASE, AR71XX_PCI_CFG_SIZE); +- if (ar71xx_pcicfg_base == NULL) +- return -ENOMEM; +- +- ar71xx_pci_reset(); +- +- /* setup COMMAND register */ +- t = PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE +- | PCI_COMMAND_PARITY | PCI_COMMAND_SERR | PCI_COMMAND_FAST_BACK; +- ar71xx_pci_local_write(PCI_COMMAND, 4, t); +- +- /* clear bus errors */ +- ar71xx_pci_check_error(1); +- +- ar71xx_pci_irq_init(ATH79_CPU_IRQ_IP2); +- +- register_pci_controller(&ar71xx_pci_controller); +- +- return 0; +-} +- + static int ar71xx_pci_probe(struct platform_device *pdev) + { + struct resource *res; +--- a/arch/mips/pci/pci-ar724x.c ++++ b/arch/mips/pci/pci-ar724x.c +@@ -15,7 +15,6 @@ + #include + #include + #include +-#include + + #define AR724X_PCI_REG_RESET 0x18 + #define AR724X_PCI_REG_INT_STATUS 0x4c +@@ -276,37 +275,6 @@ static void ar724x_pci_irq_init(int irq) + irq_set_chained_handler(irq, ar724x_pci_irq_handler); + } + +-int ar724x_pcibios_init(int irq) +-{ +- int ret; +- +- ret = -ENOMEM; +- +- ar724x_pci_devcfg_base = ioremap(AR724X_PCI_CFG_BASE, +- AR724X_PCI_CFG_SIZE); +- if (ar724x_pci_devcfg_base == NULL) +- goto err; +- +- ar724x_pci_ctrl_base = ioremap(AR724X_PCI_CTRL_BASE, +- AR724X_PCI_CTRL_SIZE); +- if (ar724x_pci_ctrl_base == NULL) +- goto err_unmap_devcfg; +- +- ar724x_pci_link_up = ar724x_pci_check_link(); +- if (!ar724x_pci_link_up) +- pr_warn("ar724x: PCIe link is down\n"); +- +- ar724x_pci_irq_init(irq); +- register_pci_controller(&ar724x_pci_controller); +- +- return PCIBIOS_SUCCESSFUL; +- +-err_unmap_devcfg: +- iounmap(ar724x_pci_devcfg_base); +-err: +- return ret; +-} +- + static int ar724x_pci_probe(struct platform_device *pdev) + { + struct resource *res; diff --git a/target/linux/ar71xx/patches-3.8/015-MIPS-avoid-possible-resource-conflict-in-register_pc.patch b/target/linux/ar71xx/patches-3.8/015-MIPS-avoid-possible-resource-conflict-in-register_pc.patch new file mode 100644 index 0000000000..613c7ad423 --- /dev/null +++ b/target/linux/ar71xx/patches-3.8/015-MIPS-avoid-possible-resource-conflict-in-register_pc.patch @@ -0,0 +1,52 @@ +From 4da85831c8eaf2de2cadae6723e8231068c313b7 Mon Sep 17 00:00:00 2001 +From: Gabor Juhos +Date: Sat, 2 Feb 2013 13:18:54 +0000 +Subject: [PATCH] MIPS: avoid possible resource conflict in + register_pci_controller + +commit 222831787704c9ad9215f6b56f975b233968607c upstream. + +The IO and memory resources of a PCI controller +might already have a parent resource set when +they are passed to 'register_pci_controller'. + +If the parent resource is set, the request_resource +call will fail due to resource conflict and the +current code will not be able to register the +PCI controller. + +Use the parent resource if it is available in the +request_resource call to avoid the isssue. + +Signed-off-by: Gabor Juhos +Patchwork: http://patchwork.linux-mips.org/patch/4910/ +Signed-off-by: John Crispin +--- + arch/mips/pci/pci.c | 15 +++++++++++++-- + 1 file changed, 13 insertions(+), 2 deletions(-) + +--- a/arch/mips/pci/pci.c ++++ b/arch/mips/pci/pci.c +@@ -175,9 +175,20 @@ static DEFINE_MUTEX(pci_scan_mutex); + + void register_pci_controller(struct pci_controller *hose) + { +- if (request_resource(&iomem_resource, hose->mem_resource) < 0) ++ struct resource *parent; ++ ++ parent = hose->mem_resource->parent; ++ if (!parent) ++ parent = &iomem_resource; ++ ++ if (request_resource(parent, hose->mem_resource) < 0) + goto out; +- if (request_resource(&ioport_resource, hose->io_resource) < 0) { ++ ++ parent = hose->io_resource->parent; ++ if (!parent) ++ parent = &ioport_resource; ++ ++ if (request_resource(parent, hose->io_resource) < 0) { + release_resource(hose->mem_resource); + goto out; + } diff --git a/target/linux/ar71xx/patches-3.8/016-MIPS-ath79-allow-to-specify-bus-number-in-PCI-IRQ-ma.patch b/target/linux/ar71xx/patches-3.8/016-MIPS-ath79-allow-to-specify-bus-number-in-PCI-IRQ-ma.patch new file mode 100644 index 0000000000..477bddb834 --- /dev/null +++ b/target/linux/ar71xx/patches-3.8/016-MIPS-ath79-allow-to-specify-bus-number-in-PCI-IRQ-ma.patch @@ -0,0 +1,40 @@ +From 53ba4919664636487155c810fb49781169780e0c Mon Sep 17 00:00:00 2001 +From: Gabor Juhos +Date: Sun, 3 Feb 2013 09:58:37 +0000 +Subject: [PATCH] MIPS: ath79: allow to specify bus number in PCI IRQ maps + +commit 617fed41e98417f3ea3e9974be251e125c8796f2 upstream. + +This is needed for multiple PCI bus support. + +Signed-off-by: Gabor Juhos +Patchwork: http://patchwork.linux-mips.org/patch/4913/ +Signed-off-by: John Crispin +--- + arch/mips/ath79/pci.c | 4 +++- + arch/mips/ath79/pci.h | 1 + + 2 files changed, 4 insertions(+), 1 deletion(-) + +--- a/arch/mips/ath79/pci.c ++++ b/arch/mips/ath79/pci.c +@@ -75,7 +75,9 @@ int __init pcibios_map_irq(const struct + const struct ath79_pci_irq *entry; + + entry = &ath79_pci_irq_map[i]; +- if (entry->slot == slot && entry->pin == pin) { ++ if (entry->bus == dev->bus->number && ++ entry->slot == slot && ++ entry->pin == pin) { + irq = entry->irq; + break; + } +--- a/arch/mips/ath79/pci.h ++++ b/arch/mips/ath79/pci.h +@@ -14,6 +14,7 @@ + #define _ATH79_PCI_H + + struct ath79_pci_irq { ++ int bus; + u8 slot; + u8 pin; + int irq; diff --git a/target/linux/ar71xx/patches-3.8/017-MIPS-pci-ar724x-use-dynamically-allocated-PCI-contro.patch b/target/linux/ar71xx/patches-3.8/017-MIPS-pci-ar724x-use-dynamically-allocated-PCI-contro.patch new file mode 100644 index 0000000000..a960cb3087 --- /dev/null +++ b/target/linux/ar71xx/patches-3.8/017-MIPS-pci-ar724x-use-dynamically-allocated-PCI-contro.patch @@ -0,0 +1,321 @@ +From 21b3cafae425cf2e317a22292a9a5773ff0e2e5e Mon Sep 17 00:00:00 2001 +From: Gabor Juhos +Date: Sun, 3 Feb 2013 09:58:38 +0000 +Subject: [PATCH] MIPS: pci-ar724x: use dynamically allocated PCI controller + structure + +commit 908339ef25b1d5e80f1c6fab22b9958174708b4a upstream. + +The current code uses static variables to store the +PCI controller specific data. This works if the system +contains one PCI controller only, however it becomes +impractical when multiple PCI controllers are present. + +Move the variables into a dynamically allocated controller +specific structure, and use that instead of the static +variables. + +Signed-off-by: Gabor Juhos +Patchwork: http://patchwork.linux-mips.org/patch/4912/ +Signed-off-by: John Crispin +--- + arch/mips/pci/pci-ar724x.c | 129 ++++++++++++++++++++++++++++---------------- + 1 file changed, 82 insertions(+), 47 deletions(-) + +--- a/arch/mips/pci/pci-ar724x.c ++++ b/arch/mips/pci/pci-ar724x.c +@@ -9,6 +9,7 @@ + * by the Free Software Foundation. + */ + ++#include + #include + #include + #include +@@ -28,38 +29,56 @@ + + #define AR7240_BAR0_WAR_VALUE 0xffff + +-static DEFINE_SPINLOCK(ar724x_pci_lock); +-static void __iomem *ar724x_pci_devcfg_base; +-static void __iomem *ar724x_pci_ctrl_base; +- +-static u32 ar724x_pci_bar0_value; +-static bool ar724x_pci_bar0_is_cached; +-static bool ar724x_pci_link_up; ++struct ar724x_pci_controller { ++ void __iomem *devcfg_base; ++ void __iomem *ctrl_base; + +-static inline bool ar724x_pci_check_link(void) ++ int irq; ++ ++ bool link_up; ++ bool bar0_is_cached; ++ u32 bar0_value; ++ ++ spinlock_t lock; ++ ++ struct pci_controller pci_controller; ++}; ++ ++static inline bool ar724x_pci_check_link(struct ar724x_pci_controller *apc) + { + u32 reset; + +- reset = __raw_readl(ar724x_pci_ctrl_base + AR724X_PCI_REG_RESET); ++ reset = __raw_readl(apc->ctrl_base + AR724X_PCI_REG_RESET); + return reset & AR724X_PCI_RESET_LINK_UP; + } + ++static inline struct ar724x_pci_controller * ++pci_bus_to_ar724x_controller(struct pci_bus *bus) ++{ ++ struct pci_controller *hose; ++ ++ hose = (struct pci_controller *) bus->sysdata; ++ return container_of(hose, struct ar724x_pci_controller, pci_controller); ++} ++ + static int ar724x_pci_read(struct pci_bus *bus, unsigned int devfn, int where, + int size, uint32_t *value) + { ++ struct ar724x_pci_controller *apc; + unsigned long flags; + void __iomem *base; + u32 data; + +- if (!ar724x_pci_link_up) ++ apc = pci_bus_to_ar724x_controller(bus); ++ if (!apc->link_up) + return PCIBIOS_DEVICE_NOT_FOUND; + + if (devfn) + return PCIBIOS_DEVICE_NOT_FOUND; + +- base = ar724x_pci_devcfg_base; ++ base = apc->devcfg_base; + +- spin_lock_irqsave(&ar724x_pci_lock, flags); ++ spin_lock_irqsave(&apc->lock, flags); + data = __raw_readl(base + (where & ~3)); + + switch (size) { +@@ -78,17 +97,17 @@ static int ar724x_pci_read(struct pci_bu + case 4: + break; + default: +- spin_unlock_irqrestore(&ar724x_pci_lock, flags); ++ spin_unlock_irqrestore(&apc->lock, flags); + + return PCIBIOS_BAD_REGISTER_NUMBER; + } + +- spin_unlock_irqrestore(&ar724x_pci_lock, flags); ++ spin_unlock_irqrestore(&apc->lock, flags); + + if (where == PCI_BASE_ADDRESS_0 && size == 4 && +- ar724x_pci_bar0_is_cached) { ++ apc->bar0_is_cached) { + /* use the cached value */ +- *value = ar724x_pci_bar0_value; ++ *value = apc->bar0_value; + } else { + *value = data; + } +@@ -99,12 +118,14 @@ static int ar724x_pci_read(struct pci_bu + static int ar724x_pci_write(struct pci_bus *bus, unsigned int devfn, int where, + int size, uint32_t value) + { ++ struct ar724x_pci_controller *apc; + unsigned long flags; + void __iomem *base; + u32 data; + int s; + +- if (!ar724x_pci_link_up) ++ apc = pci_bus_to_ar724x_controller(bus); ++ if (!apc->link_up) + return PCIBIOS_DEVICE_NOT_FOUND; + + if (devfn) +@@ -122,18 +143,18 @@ static int ar724x_pci_write(struct pci_b + * BAR0 register in order to make the device memory + * accessible. + */ +- ar724x_pci_bar0_is_cached = true; +- ar724x_pci_bar0_value = value; ++ apc->bar0_is_cached = true; ++ apc->bar0_value = value; + + value = AR7240_BAR0_WAR_VALUE; + } else { +- ar724x_pci_bar0_is_cached = false; ++ apc->bar0_is_cached = false; + } + } + +- base = ar724x_pci_devcfg_base; ++ base = apc->devcfg_base; + +- spin_lock_irqsave(&ar724x_pci_lock, flags); ++ spin_lock_irqsave(&apc->lock, flags); + data = __raw_readl(base + (where & ~3)); + + switch (size) { +@@ -151,7 +172,7 @@ static int ar724x_pci_write(struct pci_b + data = value; + break; + default: +- spin_unlock_irqrestore(&ar724x_pci_lock, flags); ++ spin_unlock_irqrestore(&apc->lock, flags); + + return PCIBIOS_BAD_REGISTER_NUMBER; + } +@@ -159,7 +180,7 @@ static int ar724x_pci_write(struct pci_b + __raw_writel(data, base + (where & ~3)); + /* flush write */ + __raw_readl(base + (where & ~3)); +- spin_unlock_irqrestore(&ar724x_pci_lock, flags); ++ spin_unlock_irqrestore(&apc->lock, flags); + + return PCIBIOS_SUCCESSFUL; + } +@@ -183,18 +204,14 @@ static struct resource ar724x_mem_resour + .flags = IORESOURCE_MEM, + }; + +-static struct pci_controller ar724x_pci_controller = { +- .pci_ops = &ar724x_pci_ops, +- .io_resource = &ar724x_io_resource, +- .mem_resource = &ar724x_mem_resource, +-}; +- + static void ar724x_pci_irq_handler(unsigned int irq, struct irq_desc *desc) + { ++ struct ar724x_pci_controller *apc; + void __iomem *base; + u32 pending; + +- base = ar724x_pci_ctrl_base; ++ apc = irq_get_handler_data(irq); ++ base = apc->ctrl_base; + + pending = __raw_readl(base + AR724X_PCI_REG_INT_STATUS) & + __raw_readl(base + AR724X_PCI_REG_INT_MASK); +@@ -208,10 +225,12 @@ static void ar724x_pci_irq_handler(unsig + + static void ar724x_pci_irq_unmask(struct irq_data *d) + { ++ struct ar724x_pci_controller *apc; + void __iomem *base; + u32 t; + +- base = ar724x_pci_ctrl_base; ++ apc = irq_data_get_irq_chip_data(d); ++ base = apc->ctrl_base; + + switch (d->irq) { + case ATH79_PCI_IRQ(0): +@@ -225,10 +244,12 @@ static void ar724x_pci_irq_unmask(struct + + static void ar724x_pci_irq_mask(struct irq_data *d) + { ++ struct ar724x_pci_controller *apc; + void __iomem *base; + u32 t; + +- base = ar724x_pci_ctrl_base; ++ apc = irq_data_get_irq_chip_data(d); ++ base = apc->ctrl_base; + + switch (d->irq) { + case ATH79_PCI_IRQ(0): +@@ -255,12 +276,12 @@ static struct irq_chip ar724x_pci_irq_ch + .irq_mask_ack = ar724x_pci_irq_mask, + }; + +-static void ar724x_pci_irq_init(int irq) ++static void ar724x_pci_irq_init(struct ar724x_pci_controller *apc) + { + void __iomem *base; + int i; + +- base = ar724x_pci_ctrl_base; ++ base = apc->ctrl_base; + + __raw_writel(0, base + AR724X_PCI_REG_INT_MASK); + __raw_writel(0, base + AR724X_PCI_REG_INT_STATUS); +@@ -268,45 +289,59 @@ static void ar724x_pci_irq_init(int irq) + BUILD_BUG_ON(ATH79_PCI_IRQ_COUNT < AR724X_PCI_IRQ_COUNT); + + for (i = ATH79_PCI_IRQ_BASE; +- i < ATH79_PCI_IRQ_BASE + AR724X_PCI_IRQ_COUNT; i++) ++ i < ATH79_PCI_IRQ_BASE + AR724X_PCI_IRQ_COUNT; i++) { + irq_set_chip_and_handler(i, &ar724x_pci_irq_chip, + handle_level_irq); ++ irq_set_chip_data(i, apc); ++ } + +- irq_set_chained_handler(irq, ar724x_pci_irq_handler); ++ irq_set_handler_data(apc->irq, apc); ++ irq_set_chained_handler(apc->irq, ar724x_pci_irq_handler); + } + + static int ar724x_pci_probe(struct platform_device *pdev) + { ++ struct ar724x_pci_controller *apc; + struct resource *res; +- int irq; ++ ++ apc = devm_kzalloc(&pdev->dev, sizeof(struct ar724x_pci_controller), ++ GFP_KERNEL); ++ if (!apc) ++ return -ENOMEM; + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ctrl_base"); + if (!res) + return -EINVAL; + +- ar724x_pci_ctrl_base = devm_request_and_ioremap(&pdev->dev, res); +- if (ar724x_pci_ctrl_base == NULL) ++ apc->ctrl_base = devm_request_and_ioremap(&pdev->dev, res); ++ if (apc->ctrl_base == NULL) + return -EBUSY; + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg_base"); + if (!res) + return -EINVAL; + +- ar724x_pci_devcfg_base = devm_request_and_ioremap(&pdev->dev, res); +- if (!ar724x_pci_devcfg_base) ++ apc->devcfg_base = devm_request_and_ioremap(&pdev->dev, res); ++ if (!apc->devcfg_base) + return -EBUSY; + +- irq = platform_get_irq(pdev, 0); +- if (irq < 0) ++ apc->irq = platform_get_irq(pdev, 0); ++ if (apc->irq < 0) + return -EINVAL; + +- ar724x_pci_link_up = ar724x_pci_check_link(); +- if (!ar724x_pci_link_up) ++ spin_lock_init(&apc->lock); ++ ++ apc->pci_controller.pci_ops = &ar724x_pci_ops; ++ apc->pci_controller.io_resource = &ar724x_io_resource; ++ apc->pci_controller.mem_resource = &ar724x_mem_resource; ++ ++ apc->link_up = ar724x_pci_check_link(apc); ++ if (!apc->link_up) + dev_warn(&pdev->dev, "PCIe link is down\n"); + +- ar724x_pci_irq_init(irq); ++ ar724x_pci_irq_init(apc); + +- register_pci_controller(&ar724x_pci_controller); ++ register_pci_controller(&apc->pci_controller); + + return 0; + } diff --git a/target/linux/ar71xx/patches-3.8/018-MIPS-pci-ar724x-remove-static-PCI-IO-MEM-resources.patch b/target/linux/ar71xx/patches-3.8/018-MIPS-pci-ar724x-remove-static-PCI-IO-MEM-resources.patch new file mode 100644 index 0000000000..823488aaa9 --- /dev/null +++ b/target/linux/ar71xx/patches-3.8/018-MIPS-pci-ar724x-remove-static-PCI-IO-MEM-resources.patch @@ -0,0 +1,139 @@ +From d80b05d19c2772ded40403d578d8e90d38c85257 Mon Sep 17 00:00:00 2001 +From: Gabor Juhos +Date: Sun, 3 Feb 2013 09:59:45 +0000 +Subject: [PATCH] MIPS: pci-ar724x: remove static PCI IO/MEM resources + +commit 34b134aebda89888b6985b7a3139e9cbdf209236 upstream. + +Static resources become impractical when multiple +PCI controllers are present. Move the resources +into the platform device registration code and +change the probe routine to get those from there +platform device's resources. + +Signed-off-by: Gabor Juhos +Patchwork: http://patchwork.linux-mips.org/patch/4914/ +Signed-off-by: John Crispin +--- + arch/mips/ath79/pci.c | 21 ++++++++++++++++++++- + arch/mips/pci/pci-ar724x.c | 40 ++++++++++++++++++++++++---------------- + 2 files changed, 44 insertions(+), 17 deletions(-) + +--- a/arch/mips/ath79/pci.c ++++ b/arch/mips/ath79/pci.c +@@ -139,10 +139,13 @@ static struct platform_device * + ath79_register_pci_ar724x(int id, + unsigned long cfg_base, + unsigned long ctrl_base, ++ unsigned long mem_base, ++ unsigned long mem_size, ++ unsigned long io_base, + int irq) + { + struct platform_device *pdev; +- struct resource res[3]; ++ struct resource res[5]; + + memset(res, 0, sizeof(res)); + +@@ -160,6 +163,16 @@ ath79_register_pci_ar724x(int id, + res[2].start = irq; + res[2].end = irq; + ++ res[3].name = "mem_base"; ++ res[3].flags = IORESOURCE_MEM; ++ res[3].start = mem_base; ++ res[3].end = mem_base + mem_size - 1; ++ ++ res[4].name = "io_base"; ++ res[4].flags = IORESOURCE_IO; ++ res[4].start = io_base; ++ res[4].end = io_base; ++ + pdev = platform_device_register_simple("ar724x-pci", id, + res, ARRAY_SIZE(res)); + return pdev; +@@ -175,6 +188,9 @@ int __init ath79_register_pci(void) + pdev = ath79_register_pci_ar724x(-1, + AR724X_PCI_CFG_BASE, + AR724X_PCI_CTRL_BASE, ++ AR724X_PCI_MEM_BASE, ++ AR724X_PCI_MEM_SIZE, ++ 0, + ATH79_CPU_IRQ_IP2); + } else if (soc_is_ar9342() || + soc_is_ar9344()) { +@@ -187,6 +203,9 @@ int __init ath79_register_pci(void) + pdev = ath79_register_pci_ar724x(-1, + AR724X_PCI_CFG_BASE, + AR724X_PCI_CTRL_BASE, ++ AR724X_PCI_MEM_BASE, ++ AR724X_PCI_MEM_SIZE, ++ 0, + ATH79_IP2_IRQ(0)); + } else { + /* No PCI support */ +--- a/arch/mips/pci/pci-ar724x.c ++++ b/arch/mips/pci/pci-ar724x.c +@@ -42,6 +42,8 @@ struct ar724x_pci_controller { + spinlock_t lock; + + struct pci_controller pci_controller; ++ struct resource io_res; ++ struct resource mem_res; + }; + + static inline bool ar724x_pci_check_link(struct ar724x_pci_controller *apc) +@@ -190,20 +192,6 @@ static struct pci_ops ar724x_pci_ops = { + .write = ar724x_pci_write, + }; + +-static struct resource ar724x_io_resource = { +- .name = "PCI IO space", +- .start = 0, +- .end = 0, +- .flags = IORESOURCE_IO, +-}; +- +-static struct resource ar724x_mem_resource = { +- .name = "PCI memory space", +- .start = AR724X_PCI_MEM_BASE, +- .end = AR724X_PCI_MEM_BASE + AR724X_PCI_MEM_SIZE - 1, +- .flags = IORESOURCE_MEM, +-}; +- + static void ar724x_pci_irq_handler(unsigned int irq, struct irq_desc *desc) + { + struct ar724x_pci_controller *apc; +@@ -331,9 +319,29 @@ static int ar724x_pci_probe(struct platf + + spin_lock_init(&apc->lock); + ++ res = platform_get_resource_byname(pdev, IORESOURCE_IO, "io_base"); ++ if (!res) ++ return -EINVAL; ++ ++ apc->io_res.parent = res; ++ apc->io_res.name = "PCI IO space"; ++ apc->io_res.start = res->start; ++ apc->io_res.end = res->end; ++ apc->io_res.flags = IORESOURCE_IO; ++ ++ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mem_base"); ++ if (!res) ++ return -EINVAL; ++ ++ apc->mem_res.parent = res; ++ apc->mem_res.name = "PCI memory space"; ++ apc->mem_res.start = res->start; ++ apc->mem_res.end = res->end; ++ apc->mem_res.flags = IORESOURCE_MEM; ++ + apc->pci_controller.pci_ops = &ar724x_pci_ops; +- apc->pci_controller.io_resource = &ar724x_io_resource; +- apc->pci_controller.mem_resource = &ar724x_mem_resource; ++ apc->pci_controller.io_resource = &apc->io_res; ++ apc->pci_controller.mem_resource = &apc->mem_res; + + apc->link_up = ar724x_pci_check_link(apc); + if (!apc->link_up) diff --git a/target/linux/ar71xx/patches-3.8/019-MIPS-pci-ar724x-use-per-controller-IRQ-base.patch b/target/linux/ar71xx/patches-3.8/019-MIPS-pci-ar724x-use-per-controller-IRQ-base.patch new file mode 100644 index 0000000000..0eabfb101c --- /dev/null +++ b/target/linux/ar71xx/patches-3.8/019-MIPS-pci-ar724x-use-per-controller-IRQ-base.patch @@ -0,0 +1,117 @@ +From d85015ff3ab6df0e776c2aefc51f2da023c1edcf Mon Sep 17 00:00:00 2001 +From: Gabor Juhos +Date: Sun, 3 Feb 2013 10:00:16 +0000 +Subject: [PATCH] MIPS: pci-ar724x: use per-controller IRQ base + +commit 8b66d461187ff61c5755001af7296e6edde48423 upstream. + +Change to the code to use per-controller IRQ base. +This is needed for multiple PCI controller support. + +Signed-off-by: Gabor Juhos +Patchwork: http://patchwork.linux-mips.org/patch/4915/ +Signed-off-by: John Crispin +--- + arch/mips/pci/pci-ar724x.c | 31 +++++++++++++++++++++---------- + 1 file changed, 21 insertions(+), 10 deletions(-) + +--- a/arch/mips/pci/pci-ar724x.c ++++ b/arch/mips/pci/pci-ar724x.c +@@ -34,6 +34,7 @@ struct ar724x_pci_controller { + void __iomem *ctrl_base; + + int irq; ++ int irq_base; + + bool link_up; + bool bar0_is_cached; +@@ -205,7 +206,7 @@ static void ar724x_pci_irq_handler(unsig + __raw_readl(base + AR724X_PCI_REG_INT_MASK); + + if (pending & AR724X_PCI_INT_DEV0) +- generic_handle_irq(ATH79_PCI_IRQ(0)); ++ generic_handle_irq(apc->irq_base + 0); + + else + spurious_interrupt(); +@@ -215,13 +216,15 @@ static void ar724x_pci_irq_unmask(struct + { + struct ar724x_pci_controller *apc; + void __iomem *base; ++ int offset; + u32 t; + + apc = irq_data_get_irq_chip_data(d); + base = apc->ctrl_base; ++ offset = apc->irq_base - d->irq; + +- switch (d->irq) { +- case ATH79_PCI_IRQ(0): ++ switch (offset) { ++ case 0: + t = __raw_readl(base + AR724X_PCI_REG_INT_MASK); + __raw_writel(t | AR724X_PCI_INT_DEV0, + base + AR724X_PCI_REG_INT_MASK); +@@ -234,13 +237,15 @@ static void ar724x_pci_irq_mask(struct i + { + struct ar724x_pci_controller *apc; + void __iomem *base; ++ int offset; + u32 t; + + apc = irq_data_get_irq_chip_data(d); + base = apc->ctrl_base; ++ offset = apc->irq_base - d->irq; + +- switch (d->irq) { +- case ATH79_PCI_IRQ(0): ++ switch (offset) { ++ case 0: + t = __raw_readl(base + AR724X_PCI_REG_INT_MASK); + __raw_writel(t & ~AR724X_PCI_INT_DEV0, + base + AR724X_PCI_REG_INT_MASK); +@@ -264,7 +269,8 @@ static struct irq_chip ar724x_pci_irq_ch + .irq_mask_ack = ar724x_pci_irq_mask, + }; + +-static void ar724x_pci_irq_init(struct ar724x_pci_controller *apc) ++static void ar724x_pci_irq_init(struct ar724x_pci_controller *apc, ++ int id) + { + void __iomem *base; + int i; +@@ -274,10 +280,10 @@ static void ar724x_pci_irq_init(struct a + __raw_writel(0, base + AR724X_PCI_REG_INT_MASK); + __raw_writel(0, base + AR724X_PCI_REG_INT_STATUS); + +- BUILD_BUG_ON(ATH79_PCI_IRQ_COUNT < AR724X_PCI_IRQ_COUNT); ++ apc->irq_base = ATH79_PCI_IRQ_BASE + (id * AR724X_PCI_IRQ_COUNT); + +- for (i = ATH79_PCI_IRQ_BASE; +- i < ATH79_PCI_IRQ_BASE + AR724X_PCI_IRQ_COUNT; i++) { ++ for (i = apc->irq_base; ++ i < apc->irq_base + AR724X_PCI_IRQ_COUNT; i++) { + irq_set_chip_and_handler(i, &ar724x_pci_irq_chip, + handle_level_irq); + irq_set_chip_data(i, apc); +@@ -291,6 +297,11 @@ static int ar724x_pci_probe(struct platf + { + struct ar724x_pci_controller *apc; + struct resource *res; ++ int id; ++ ++ id = pdev->id; ++ if (id == -1) ++ id = 0; + + apc = devm_kzalloc(&pdev->dev, sizeof(struct ar724x_pci_controller), + GFP_KERNEL); +@@ -347,7 +358,7 @@ static int ar724x_pci_probe(struct platf + if (!apc->link_up) + dev_warn(&pdev->dev, "PCIe link is down\n"); + +- ar724x_pci_irq_init(apc); ++ ar724x_pci_irq_init(apc, id); + + register_pci_controller(&apc->pci_controller); + diff --git a/target/linux/ar71xx/patches-3.8/020-MIPS-pci-ar724x-setup-command-register-of-the-PCI-co.patch b/target/linux/ar71xx/patches-3.8/020-MIPS-pci-ar724x-setup-command-register-of-the-PCI-co.patch new file mode 100644 index 0000000000..301803c12f --- /dev/null +++ b/target/linux/ar71xx/patches-3.8/020-MIPS-pci-ar724x-setup-command-register-of-the-PCI-co.patch @@ -0,0 +1,178 @@ +From 5e079d9b7ac5dda3be9f215f8440333597f57b26 Mon Sep 17 00:00:00 2001 +From: Gabor Juhos +Date: Sun, 3 Feb 2013 14:52:47 +0000 +Subject: [PATCH] MIPS: pci-ar724x: setup command register of the PCI + controller + +commit 12401fc28d40aa5bf8bda6991a96b6d7a3dae3ac upstream. + +The command register of the PCI controller is +not initialized correctly by the bootloader on +some boards and this leads to non working PCI +bus. + +Add code to initialize the command register +from the Linux code to avoid this. + +Signed-off-by: Gabor Juhos +Patchwork: http://patchwork.linux-mips.org/patch/4916/ +Signed-off-by: John Crispin +--- + arch/mips/ath79/pci.c | 10 +++- + arch/mips/include/asm/mach-ath79/ar71xx_regs.h | 2 + + arch/mips/pci/pci-ar724x.c | 63 ++++++++++++++++++++++++ + 3 files changed, 74 insertions(+), 1 deletion(-) + +--- a/arch/mips/ath79/pci.c ++++ b/arch/mips/ath79/pci.c +@@ -139,13 +139,14 @@ static struct platform_device * + ath79_register_pci_ar724x(int id, + unsigned long cfg_base, + unsigned long ctrl_base, ++ unsigned long crp_base, + unsigned long mem_base, + unsigned long mem_size, + unsigned long io_base, + int irq) + { + struct platform_device *pdev; +- struct resource res[5]; ++ struct resource res[6]; + + memset(res, 0, sizeof(res)); + +@@ -173,6 +174,11 @@ ath79_register_pci_ar724x(int id, + res[4].start = io_base; + res[4].end = io_base; + ++ res[5].name = "crp_base"; ++ res[5].flags = IORESOURCE_MEM; ++ res[5].start = crp_base; ++ res[5].end = crp_base + AR724X_PCI_CRP_SIZE - 1; ++ + pdev = platform_device_register_simple("ar724x-pci", id, + res, ARRAY_SIZE(res)); + return pdev; +@@ -188,6 +194,7 @@ int __init ath79_register_pci(void) + pdev = ath79_register_pci_ar724x(-1, + AR724X_PCI_CFG_BASE, + AR724X_PCI_CTRL_BASE, ++ AR724X_PCI_CRP_BASE, + AR724X_PCI_MEM_BASE, + AR724X_PCI_MEM_SIZE, + 0, +@@ -203,6 +210,7 @@ int __init ath79_register_pci(void) + pdev = ath79_register_pci_ar724x(-1, + AR724X_PCI_CFG_BASE, + AR724X_PCI_CTRL_BASE, ++ AR724X_PCI_CRP_BASE, + AR724X_PCI_MEM_BASE, + AR724X_PCI_MEM_SIZE, + 0, +--- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h ++++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h +@@ -67,6 +67,8 @@ + + #define AR724X_PCI_CFG_BASE 0x14000000 + #define AR724X_PCI_CFG_SIZE 0x1000 ++#define AR724X_PCI_CRP_BASE (AR71XX_APB_BASE + 0x000c0000) ++#define AR724X_PCI_CRP_SIZE 0x1000 + #define AR724X_PCI_CTRL_BASE (AR71XX_APB_BASE + 0x000f0000) + #define AR724X_PCI_CTRL_SIZE 0x100 + +--- a/arch/mips/pci/pci-ar724x.c ++++ b/arch/mips/pci/pci-ar724x.c +@@ -29,9 +29,17 @@ + + #define AR7240_BAR0_WAR_VALUE 0xffff + ++#define AR724X_PCI_CMD_INIT (PCI_COMMAND_MEMORY | \ ++ PCI_COMMAND_MASTER | \ ++ PCI_COMMAND_INVALIDATE | \ ++ PCI_COMMAND_PARITY | \ ++ PCI_COMMAND_SERR | \ ++ PCI_COMMAND_FAST_BACK) ++ + struct ar724x_pci_controller { + void __iomem *devcfg_base; + void __iomem *ctrl_base; ++ void __iomem *crp_base; + + int irq; + int irq_base; +@@ -64,6 +72,51 @@ pci_bus_to_ar724x_controller(struct pci_ + return container_of(hose, struct ar724x_pci_controller, pci_controller); + } + ++static int ar724x_pci_local_write(struct ar724x_pci_controller *apc, ++ int where, int size, u32 value) ++{ ++ unsigned long flags; ++ void __iomem *base; ++ u32 data; ++ int s; ++ ++ WARN_ON(where & (size - 1)); ++ ++ if (!apc->link_up) ++ return PCIBIOS_DEVICE_NOT_FOUND; ++ ++ base = apc->crp_base; ++ ++ spin_lock_irqsave(&apc->lock, flags); ++ data = __raw_readl(base + (where & ~3)); ++ ++ switch (size) { ++ case 1: ++ s = ((where & 3) * 8); ++ data &= ~(0xff << s); ++ data |= ((value & 0xff) << s); ++ break; ++ case 2: ++ s = ((where & 2) * 8); ++ data &= ~(0xffff << s); ++ data |= ((value & 0xffff) << s); ++ break; ++ case 4: ++ data = value; ++ break; ++ default: ++ spin_unlock_irqrestore(&apc->lock, flags); ++ return PCIBIOS_BAD_REGISTER_NUMBER; ++ } ++ ++ __raw_writel(data, base + (where & ~3)); ++ /* flush write */ ++ __raw_readl(base + (where & ~3)); ++ spin_unlock_irqrestore(&apc->lock, flags); ++ ++ return PCIBIOS_SUCCESSFUL; ++} ++ + static int ar724x_pci_read(struct pci_bus *bus, unsigned int devfn, int where, + int size, uint32_t *value) + { +@@ -324,6 +377,14 @@ static int ar724x_pci_probe(struct platf + if (!apc->devcfg_base) + return -EBUSY; + ++ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "crp_base"); ++ if (!res) ++ return -EINVAL; ++ ++ apc->crp_base = devm_request_and_ioremap(&pdev->dev, res); ++ if (apc->crp_base == NULL) ++ return -EBUSY; ++ + apc->irq = platform_get_irq(pdev, 0); + if (apc->irq < 0) + return -EINVAL; +@@ -360,6 +421,8 @@ static int ar724x_pci_probe(struct platf + + ar724x_pci_irq_init(apc, id); + ++ ar724x_pci_local_write(apc, PCI_COMMAND, 4, AR724X_PCI_CMD_INIT); ++ + register_pci_controller(&apc->pci_controller); + + return 0; diff --git a/target/linux/ar71xx/patches-3.8/021-MIPS-pci-ar71xx-use-dynamically-allocated-PCI-contro.patch b/target/linux/ar71xx/patches-3.8/021-MIPS-pci-ar71xx-use-dynamically-allocated-PCI-contro.patch new file mode 100644 index 0000000000..a8b53c8089 --- /dev/null +++ b/target/linux/ar71xx/patches-3.8/021-MIPS-pci-ar71xx-use-dynamically-allocated-PCI-contro.patch @@ -0,0 +1,226 @@ +From 0f0f7d810226c734141a20de85289dbb0dda8f96 Mon Sep 17 00:00:00 2001 +From: Gabor Juhos +Date: Thu, 7 Feb 2013 19:28:14 +0000 +Subject: [PATCH] MIPS: pci-ar71xx: use dynamically allocated PCI controller + structure + +commit f18118a868f1f7e7bdfea176a204fcc44fae2985 upstream. + +Signed-off-by: Gabor Juhos +Patchwork: http://patchwork.linux-mips.org/patch/4926/ +Signed-off-by: John Crispin +--- + arch/mips/pci/pci-ar71xx.c | 84 ++++++++++++++++++++++++++++---------------- + 1 file changed, 53 insertions(+), 31 deletions(-) + +--- a/arch/mips/pci/pci-ar71xx.c ++++ b/arch/mips/pci/pci-ar71xx.c +@@ -48,8 +48,12 @@ + + #define AR71XX_PCI_IRQ_COUNT 5 + +-static DEFINE_SPINLOCK(ar71xx_pci_lock); +-static void __iomem *ar71xx_pcicfg_base; ++struct ar71xx_pci_controller { ++ void __iomem *cfg_base; ++ spinlock_t lock; ++ int irq; ++ struct pci_controller pci_ctrl; ++}; + + /* Byte lane enable bits */ + static const u8 ar71xx_pci_ble_table[4][4] = { +@@ -92,9 +96,18 @@ static inline u32 ar71xx_pci_bus_addr(st + return ret; + } + +-static int ar71xx_pci_check_error(int quiet) ++static inline struct ar71xx_pci_controller * ++pci_bus_to_ar71xx_controller(struct pci_bus *bus) + { +- void __iomem *base = ar71xx_pcicfg_base; ++ struct pci_controller *hose; ++ ++ hose = (struct pci_controller *) bus->sysdata; ++ return container_of(hose, struct ar71xx_pci_controller, pci_ctrl); ++} ++ ++static int ar71xx_pci_check_error(struct ar71xx_pci_controller *apc, int quiet) ++{ ++ void __iomem *base = apc->cfg_base; + u32 pci_err; + u32 ahb_err; + +@@ -129,9 +142,10 @@ static int ar71xx_pci_check_error(int qu + return !!(ahb_err | pci_err); + } + +-static inline void ar71xx_pci_local_write(int where, int size, u32 value) ++static inline void ar71xx_pci_local_write(struct ar71xx_pci_controller *apc, ++ int where, int size, u32 value) + { +- void __iomem *base = ar71xx_pcicfg_base; ++ void __iomem *base = apc->cfg_base; + u32 ad_cbe; + + value = value << (8 * (where & 3)); +@@ -147,7 +161,8 @@ static inline int ar71xx_pci_set_cfgaddr + unsigned int devfn, + int where, int size, u32 cmd) + { +- void __iomem *base = ar71xx_pcicfg_base; ++ struct ar71xx_pci_controller *apc = pci_bus_to_ar71xx_controller(bus); ++ void __iomem *base = apc->cfg_base; + u32 addr; + + addr = ar71xx_pci_bus_addr(bus, devfn, where); +@@ -156,13 +171,14 @@ static inline int ar71xx_pci_set_cfgaddr + __raw_writel(cmd | ar71xx_pci_get_ble(where, size, 0), + base + AR71XX_PCI_REG_CFG_CBE); + +- return ar71xx_pci_check_error(1); ++ return ar71xx_pci_check_error(apc, 1); + } + + static int ar71xx_pci_read_config(struct pci_bus *bus, unsigned int devfn, + int where, int size, u32 *value) + { +- void __iomem *base = ar71xx_pcicfg_base; ++ struct ar71xx_pci_controller *apc = pci_bus_to_ar71xx_controller(bus); ++ void __iomem *base = apc->cfg_base; + unsigned long flags; + u32 data; + int err; +@@ -171,7 +187,7 @@ static int ar71xx_pci_read_config(struct + ret = PCIBIOS_SUCCESSFUL; + data = ~0; + +- spin_lock_irqsave(&ar71xx_pci_lock, flags); ++ spin_lock_irqsave(&apc->lock, flags); + + err = ar71xx_pci_set_cfgaddr(bus, devfn, where, size, + AR71XX_PCI_CFG_CMD_READ); +@@ -180,7 +196,7 @@ static int ar71xx_pci_read_config(struct + else + data = __raw_readl(base + AR71XX_PCI_REG_CFG_RDDATA); + +- spin_unlock_irqrestore(&ar71xx_pci_lock, flags); ++ spin_unlock_irqrestore(&apc->lock, flags); + + *value = (data >> (8 * (where & 3))) & ar71xx_pci_read_mask[size & 7]; + +@@ -190,7 +206,8 @@ static int ar71xx_pci_read_config(struct + static int ar71xx_pci_write_config(struct pci_bus *bus, unsigned int devfn, + int where, int size, u32 value) + { +- void __iomem *base = ar71xx_pcicfg_base; ++ struct ar71xx_pci_controller *apc = pci_bus_to_ar71xx_controller(bus); ++ void __iomem *base = apc->cfg_base; + unsigned long flags; + int err; + int ret; +@@ -198,7 +215,7 @@ static int ar71xx_pci_write_config(struc + value = value << (8 * (where & 3)); + ret = PCIBIOS_SUCCESSFUL; + +- spin_lock_irqsave(&ar71xx_pci_lock, flags); ++ spin_lock_irqsave(&apc->lock, flags); + + err = ar71xx_pci_set_cfgaddr(bus, devfn, where, size, + AR71XX_PCI_CFG_CMD_WRITE); +@@ -207,7 +224,7 @@ static int ar71xx_pci_write_config(struc + else + __raw_writel(value, base + AR71XX_PCI_REG_CFG_WRDATA); + +- spin_unlock_irqrestore(&ar71xx_pci_lock, flags); ++ spin_unlock_irqrestore(&apc->lock, flags); + + return ret; + } +@@ -231,12 +248,6 @@ static struct resource ar71xx_pci_mem_re + .flags = IORESOURCE_MEM + }; + +-static struct pci_controller ar71xx_pci_controller = { +- .pci_ops = &ar71xx_pci_ops, +- .mem_resource = &ar71xx_pci_mem_resource, +- .io_resource = &ar71xx_pci_io_resource, +-}; +- + static void ar71xx_pci_irq_handler(unsigned int irq, struct irq_desc *desc) + { + void __iomem *base = ath79_reset_base; +@@ -294,7 +305,7 @@ static struct irq_chip ar71xx_pci_irq_ch + .irq_mask_ack = ar71xx_pci_irq_mask, + }; + +-static void ar71xx_pci_irq_init(int irq) ++static void ar71xx_pci_irq_init(struct ar71xx_pci_controller *apc) + { + void __iomem *base = ath79_reset_base; + int i; +@@ -309,7 +320,7 @@ static void ar71xx_pci_irq_init(int irq) + irq_set_chip_and_handler(i, &ar71xx_pci_irq_chip, + handle_level_irq); + +- irq_set_chained_handler(irq, ar71xx_pci_irq_handler); ++ irq_set_chained_handler(apc->irq, ar71xx_pci_irq_handler); + } + + static void ar71xx_pci_reset(void) +@@ -336,20 +347,27 @@ static void ar71xx_pci_reset(void) + + static int ar71xx_pci_probe(struct platform_device *pdev) + { ++ struct ar71xx_pci_controller *apc; + struct resource *res; +- int irq; + u32 t; + ++ apc = devm_kzalloc(&pdev->dev, sizeof(struct ar71xx_pci_controller), ++ GFP_KERNEL); ++ if (!apc) ++ return -ENOMEM; ++ ++ spin_lock_init(&apc->lock); ++ + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg_base"); + if (!res) + return -EINVAL; + +- ar71xx_pcicfg_base = devm_request_and_ioremap(&pdev->dev, res); +- if (!ar71xx_pcicfg_base) ++ apc->cfg_base = devm_request_and_ioremap(&pdev->dev, res); ++ if (!apc->cfg_base) + return -ENOMEM; + +- irq = platform_get_irq(pdev, 0); +- if (irq < 0) ++ apc->irq = platform_get_irq(pdev, 0); ++ if (apc->irq < 0) + return -EINVAL; + + ar71xx_pci_reset(); +@@ -357,14 +375,18 @@ static int ar71xx_pci_probe(struct platf + /* setup COMMAND register */ + t = PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE + | PCI_COMMAND_PARITY | PCI_COMMAND_SERR | PCI_COMMAND_FAST_BACK; +- ar71xx_pci_local_write(PCI_COMMAND, 4, t); ++ ar71xx_pci_local_write(apc, PCI_COMMAND, 4, t); + + /* clear bus errors */ +- ar71xx_pci_check_error(1); ++ ar71xx_pci_check_error(apc, 1); ++ ++ ar71xx_pci_irq_init(apc); + +- ar71xx_pci_irq_init(irq); ++ apc->pci_ctrl.pci_ops = &ar71xx_pci_ops; ++ apc->pci_ctrl.mem_resource = &ar71xx_pci_mem_resource; ++ apc->pci_ctrl.io_resource = &ar71xx_pci_io_resource; + +- register_pci_controller(&ar71xx_pci_controller); ++ register_pci_controller(&apc->pci_ctrl); + + return 0; + } diff --git a/target/linux/ar71xx/patches-3.8/022-MIPS-pci-ar71xx-remove-static-PCI-IO-MEM-resources.patch b/target/linux/ar71xx/patches-3.8/022-MIPS-pci-ar71xx-remove-static-PCI-IO-MEM-resources.patch new file mode 100644 index 0000000000..c7c40649c1 --- /dev/null +++ b/target/linux/ar71xx/patches-3.8/022-MIPS-pci-ar71xx-remove-static-PCI-IO-MEM-resources.patch @@ -0,0 +1,113 @@ +From f073cb029873ed487e14784d3682b6aa25afe997 Mon Sep 17 00:00:00 2001 +From: Gabor Juhos +Date: Thu, 7 Feb 2013 19:28:15 +0000 +Subject: [PATCH] MIPS: pci-ar71xx: remove static PCI IO/MEM resources + +commit 42cb60d1fab4c81ef24876d985e08fc5bb899e41 upstream. + +Signed-off-by: Gabor Juhos +Patchwork: http://patchwork.linux-mips.org/patch/4927/ +Signed-off-by: John Crispin +--- + arch/mips/ath79/pci.c | 12 +++++++++++- + arch/mips/pci/pci-ar71xx.c | 40 ++++++++++++++++++++++++---------------- + 2 files changed, 35 insertions(+), 17 deletions(-) + +--- a/arch/mips/ath79/pci.c ++++ b/arch/mips/ath79/pci.c +@@ -117,7 +117,7 @@ static struct platform_device * + ath79_register_pci_ar71xx(void) + { + struct platform_device *pdev; +- struct resource res[2]; ++ struct resource res[4]; + + memset(res, 0, sizeof(res)); + +@@ -130,6 +130,16 @@ ath79_register_pci_ar71xx(void) + res[1].start = ATH79_CPU_IRQ_IP2; + res[1].end = ATH79_CPU_IRQ_IP2; + ++ res[2].name = "io_base"; ++ res[2].flags = IORESOURCE_IO; ++ res[2].start = 0; ++ res[2].end = 0; ++ ++ res[3].name = "mem_base"; ++ res[3].flags = IORESOURCE_MEM; ++ res[3].start = AR71XX_PCI_MEM_BASE; ++ res[3].end = AR71XX_PCI_MEM_BASE + AR71XX_PCI_MEM_SIZE - 1; ++ + pdev = platform_device_register_simple("ar71xx-pci", -1, + res, ARRAY_SIZE(res)); + return pdev; +--- a/arch/mips/pci/pci-ar71xx.c ++++ b/arch/mips/pci/pci-ar71xx.c +@@ -53,6 +53,8 @@ struct ar71xx_pci_controller { + spinlock_t lock; + int irq; + struct pci_controller pci_ctrl; ++ struct resource io_res; ++ struct resource mem_res; + }; + + /* Byte lane enable bits */ +@@ -234,20 +236,6 @@ static struct pci_ops ar71xx_pci_ops = { + .write = ar71xx_pci_write_config, + }; + +-static struct resource ar71xx_pci_io_resource = { +- .name = "PCI IO space", +- .start = 0, +- .end = 0, +- .flags = IORESOURCE_IO, +-}; +- +-static struct resource ar71xx_pci_mem_resource = { +- .name = "PCI memory space", +- .start = AR71XX_PCI_MEM_BASE, +- .end = AR71XX_PCI_MEM_BASE + AR71XX_PCI_MEM_SIZE - 1, +- .flags = IORESOURCE_MEM +-}; +- + static void ar71xx_pci_irq_handler(unsigned int irq, struct irq_desc *desc) + { + void __iomem *base = ath79_reset_base; +@@ -370,6 +358,26 @@ static int ar71xx_pci_probe(struct platf + if (apc->irq < 0) + return -EINVAL; + ++ res = platform_get_resource_byname(pdev, IORESOURCE_IO, "io_base"); ++ if (!res) ++ return -EINVAL; ++ ++ apc->io_res.parent = res; ++ apc->io_res.name = "PCI IO space"; ++ apc->io_res.start = res->start; ++ apc->io_res.end = res->end; ++ apc->io_res.flags = IORESOURCE_IO; ++ ++ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mem_base"); ++ if (!res) ++ return -EINVAL; ++ ++ apc->mem_res.parent = res; ++ apc->mem_res.name = "PCI memory space"; ++ apc->mem_res.start = res->start; ++ apc->mem_res.end = res->end; ++ apc->mem_res.flags = IORESOURCE_MEM; ++ + ar71xx_pci_reset(); + + /* setup COMMAND register */ +@@ -383,8 +391,8 @@ static int ar71xx_pci_probe(struct platf + ar71xx_pci_irq_init(apc); + + apc->pci_ctrl.pci_ops = &ar71xx_pci_ops; +- apc->pci_ctrl.mem_resource = &ar71xx_pci_mem_resource; +- apc->pci_ctrl.io_resource = &ar71xx_pci_io_resource; ++ apc->pci_ctrl.mem_resource = &apc->mem_res; ++ apc->pci_ctrl.io_resource = &apc->io_res; + + register_pci_controller(&apc->pci_ctrl); + diff --git a/target/linux/ar71xx/patches-3.8/023-MIPS-pci-ar71xx-move-irq-base-to-the-controller-stru.patch b/target/linux/ar71xx/patches-3.8/023-MIPS-pci-ar71xx-move-irq-base-to-the-controller-stru.patch new file mode 100644 index 0000000000..78c2f07e57 --- /dev/null +++ b/target/linux/ar71xx/patches-3.8/023-MIPS-pci-ar71xx-move-irq-base-to-the-controller-stru.patch @@ -0,0 +1,105 @@ +From bec8339e917651e51592dd57ed005f8ccd9b0e8d Mon Sep 17 00:00:00 2001 +From: Gabor Juhos +Date: Thu, 7 Feb 2013 19:29:38 +0000 +Subject: [PATCH] MIPS: pci-ar71xx: move irq base to the controller structure + +commit 326e8d17d73fdf213f6334917ef46b2ba7b1354a upstream. + +Signed-off-by: Gabor Juhos +Patchwork: http://patchwork.linux-mips.org/patch/4928/ +Signed-off-by: John Crispin +--- + arch/mips/pci/pci-ar71xx.c | 32 ++++++++++++++++++++++++-------- + 1 file changed, 24 insertions(+), 8 deletions(-) + +--- a/arch/mips/pci/pci-ar71xx.c ++++ b/arch/mips/pci/pci-ar71xx.c +@@ -52,6 +52,7 @@ struct ar71xx_pci_controller { + void __iomem *cfg_base; + spinlock_t lock; + int irq; ++ int irq_base; + struct pci_controller pci_ctrl; + struct resource io_res; + struct resource mem_res; +@@ -238,23 +239,26 @@ static struct pci_ops ar71xx_pci_ops = { + + static void ar71xx_pci_irq_handler(unsigned int irq, struct irq_desc *desc) + { ++ struct ar71xx_pci_controller *apc; + void __iomem *base = ath79_reset_base; + u32 pending; + ++ apc = irq_get_handler_data(irq); ++ + pending = __raw_readl(base + AR71XX_RESET_REG_PCI_INT_STATUS) & + __raw_readl(base + AR71XX_RESET_REG_PCI_INT_ENABLE); + + if (pending & AR71XX_PCI_INT_DEV0) +- generic_handle_irq(ATH79_PCI_IRQ(0)); ++ generic_handle_irq(apc->irq_base + 0); + + else if (pending & AR71XX_PCI_INT_DEV1) +- generic_handle_irq(ATH79_PCI_IRQ(1)); ++ generic_handle_irq(apc->irq_base + 1); + + else if (pending & AR71XX_PCI_INT_DEV2) +- generic_handle_irq(ATH79_PCI_IRQ(2)); ++ generic_handle_irq(apc->irq_base + 2); + + else if (pending & AR71XX_PCI_INT_CORE) +- generic_handle_irq(ATH79_PCI_IRQ(4)); ++ generic_handle_irq(apc->irq_base + 4); + + else + spurious_interrupt(); +@@ -262,10 +266,14 @@ static void ar71xx_pci_irq_handler(unsig + + static void ar71xx_pci_irq_unmask(struct irq_data *d) + { +- unsigned int irq = d->irq - ATH79_PCI_IRQ_BASE; ++ struct ar71xx_pci_controller *apc; ++ unsigned int irq; + void __iomem *base = ath79_reset_base; + u32 t; + ++ apc = irq_data_get_irq_chip_data(d); ++ irq = d->irq - apc->irq_base; ++ + t = __raw_readl(base + AR71XX_RESET_REG_PCI_INT_ENABLE); + __raw_writel(t | (1 << irq), base + AR71XX_RESET_REG_PCI_INT_ENABLE); + +@@ -275,10 +283,14 @@ static void ar71xx_pci_irq_unmask(struct + + static void ar71xx_pci_irq_mask(struct irq_data *d) + { +- unsigned int irq = d->irq - ATH79_PCI_IRQ_BASE; ++ struct ar71xx_pci_controller *apc; ++ unsigned int irq; + void __iomem *base = ath79_reset_base; + u32 t; + ++ apc = irq_data_get_irq_chip_data(d); ++ irq = d->irq - apc->irq_base; ++ + t = __raw_readl(base + AR71XX_RESET_REG_PCI_INT_ENABLE); + __raw_writel(t & ~(1 << irq), base + AR71XX_RESET_REG_PCI_INT_ENABLE); + +@@ -303,11 +315,15 @@ static void ar71xx_pci_irq_init(struct a + + BUILD_BUG_ON(ATH79_PCI_IRQ_COUNT < AR71XX_PCI_IRQ_COUNT); + +- for (i = ATH79_PCI_IRQ_BASE; +- i < ATH79_PCI_IRQ_BASE + AR71XX_PCI_IRQ_COUNT; i++) ++ apc->irq_base = ATH79_PCI_IRQ_BASE; ++ for (i = apc->irq_base; ++ i < apc->irq_base + AR71XX_PCI_IRQ_COUNT; i++) { + irq_set_chip_and_handler(i, &ar71xx_pci_irq_chip, + handle_level_irq); ++ irq_set_chip_data(i, apc); ++ } + ++ irq_set_handler_data(apc->irq, apc); + irq_set_chained_handler(apc->irq, ar71xx_pci_irq_handler); + } + diff --git a/target/linux/ar71xx/patches-3.8/143-MIPS-pci-ar724x-convert-to-a-platform-driver.patch b/target/linux/ar71xx/patches-3.8/143-MIPS-pci-ar724x-convert-to-a-platform-driver.patch deleted file mode 100644 index 43d4b47616..0000000000 --- a/target/linux/ar71xx/patches-3.8/143-MIPS-pci-ar724x-convert-to-a-platform-driver.patch +++ /dev/null @@ -1,94 +0,0 @@ -From f2d2d928c3900b67a5f95e53b86de5b61a3ab12c Mon Sep 17 00:00:00 2001 -From: Gabor Juhos -Date: Mon, 11 Jun 2012 13:19:44 +0200 -Subject: [PATCH 04/34] MIPS: pci-ar724x: convert to a platform driver - -Signed-off-by: Gabor Juhos ---- - arch/mips/pci/pci-ar724x.c | 57 ++++++++++++++++++++++++++++++++++++++++++- - 1 files changed, 55 insertions(+), 2 deletions(-) - ---- a/arch/mips/pci/pci-ar724x.c -+++ b/arch/mips/pci/pci-ar724x.c -@@ -11,6 +11,8 @@ - - #include - #include -+#include -+#include - #include - #include - #include -@@ -262,7 +264,7 @@ static struct irq_chip ar724x_pci_irq_ch - .irq_mask_ack = ar724x_pci_irq_mask, - }; - --static void __init ar724x_pci_irq_init(int irq) -+static void ar724x_pci_irq_init(int irq) - { - void __iomem *base; - int i; -@@ -282,7 +284,7 @@ static void __init ar724x_pci_irq_init(i - irq_set_chained_handler(irq, ar724x_pci_irq_handler); - } - --int __init ar724x_pcibios_init(int irq) -+int ar724x_pcibios_init(int irq) - { - int ret; - -@@ -312,3 +314,54 @@ err_unmap_devcfg: - err: - return ret; - } -+ -+static int ar724x_pci_probe(struct platform_device *pdev) -+{ -+ struct resource *res; -+ int irq; -+ -+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ctrl_base"); -+ if (!res) -+ return -EINVAL; -+ -+ ar724x_pci_ctrl_base = devm_request_and_ioremap(&pdev->dev, res); -+ if (ar724x_pci_ctrl_base == NULL) -+ return -EBUSY; -+ -+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg_base"); -+ if (!res) -+ return -EINVAL; -+ -+ ar724x_pci_devcfg_base = devm_request_and_ioremap(&pdev->dev, res); -+ if (!ar724x_pci_devcfg_base) -+ return -EBUSY; -+ -+ irq = platform_get_irq(pdev, 0); -+ if (irq < 0) -+ return -EINVAL; -+ -+ ar724x_pci_link_up = ar724x_pci_check_link(); -+ if (!ar724x_pci_link_up) -+ dev_warn(&pdev->dev, "PCIe link is down\n"); -+ -+ ar724x_pci_irq_init(irq); -+ -+ register_pci_controller(&ar724x_pci_controller); -+ -+ return 0; -+} -+ -+static struct platform_driver ar724x_pci_driver = { -+ .probe = ar724x_pci_probe, -+ .driver = { -+ .name = "ar724x-pci", -+ .owner = THIS_MODULE, -+ }, -+}; -+ -+static int __init ar724x_pci_init(void) -+{ -+ return platform_driver_register(&ar724x_pci_driver); -+} -+ -+postcore_initcall(ar724x_pci_init); diff --git a/target/linux/ar71xx/patches-3.8/144-MIPS-pci-ar71xx-convert-to-a-platform-driver.patch b/target/linux/ar71xx/patches-3.8/144-MIPS-pci-ar71xx-convert-to-a-platform-driver.patch deleted file mode 100644 index 98000a0aae..0000000000 --- a/target/linux/ar71xx/patches-3.8/144-MIPS-pci-ar71xx-convert-to-a-platform-driver.patch +++ /dev/null @@ -1,104 +0,0 @@ -From d1a22e73f991145a4abd7d0c37bcf318703c89ed Mon Sep 17 00:00:00 2001 -From: Gabor Juhos -Date: Mon, 11 Jun 2012 13:24:55 +0200 -Subject: [PATCH 05/34] MIPS: pci-ar71xx: convert to a platform driver - -Signed-off-by: Gabor Juhos ---- - arch/mips/pci/pci-ar71xx.c | 60 +++++++++++++++++++++++++++++++++++++++++--- - 1 files changed, 56 insertions(+), 4 deletions(-) - ---- a/arch/mips/pci/pci-ar71xx.c -+++ b/arch/mips/pci/pci-ar71xx.c -@@ -18,6 +18,8 @@ - #include - #include - #include -+#include -+#include - - #include - #include -@@ -309,7 +311,7 @@ static struct irq_chip ar71xx_pci_irq_ch - .irq_mask_ack = ar71xx_pci_irq_mask, - }; - --static __init void ar71xx_pci_irq_init(void) -+static void ar71xx_pci_irq_init(int irq) - { - void __iomem *base = ath79_reset_base; - int i; -@@ -324,10 +326,10 @@ static __init void ar71xx_pci_irq_init(v - irq_set_chip_and_handler(i, &ar71xx_pci_irq_chip, - handle_level_irq); - -- irq_set_chained_handler(ATH79_CPU_IRQ_IP2, ar71xx_pci_irq_handler); -+ irq_set_chained_handler(irq, ar71xx_pci_irq_handler); - } - --static __init void ar71xx_pci_reset(void) -+static void ar71xx_pci_reset(void) - { - void __iomem *ddr_base = ath79_ddr_base; - -@@ -367,9 +369,59 @@ __init int ar71xx_pcibios_init(void) - /* clear bus errors */ - ar71xx_pci_check_error(1); - -- ar71xx_pci_irq_init(); -+ ar71xx_pci_irq_init(ATH79_CPU_IRQ_IP2); - - register_pci_controller(&ar71xx_pci_controller); - - return 0; - } -+ -+static int ar71xx_pci_probe(struct platform_device *pdev) -+{ -+ struct resource *res; -+ int irq; -+ u32 t; -+ -+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg_base"); -+ if (!res) -+ return -EINVAL; -+ -+ ar71xx_pcicfg_base = devm_request_and_ioremap(&pdev->dev, res); -+ if (!ar71xx_pcicfg_base) -+ return -ENOMEM; -+ -+ irq = platform_get_irq(pdev, 0); -+ if (irq < 0) -+ return -EINVAL; -+ -+ ar71xx_pci_reset(); -+ -+ /* setup COMMAND register */ -+ t = PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE -+ | PCI_COMMAND_PARITY | PCI_COMMAND_SERR | PCI_COMMAND_FAST_BACK; -+ ar71xx_pci_local_write(PCI_COMMAND, 4, t); -+ -+ /* clear bus errors */ -+ ar71xx_pci_check_error(1); -+ -+ ar71xx_pci_irq_init(irq); -+ -+ register_pci_controller(&ar71xx_pci_controller); -+ -+ return 0; -+} -+ -+static struct platform_driver ar71xx_pci_driver = { -+ .probe = ar71xx_pci_probe, -+ .driver = { -+ .name = "ar71xx-pci", -+ .owner = THIS_MODULE, -+ }, -+}; -+ -+static int __init ar71xx_pci_init(void) -+{ -+ return platform_driver_register(&ar71xx_pci_driver); -+} -+ -+postcore_initcall(ar71xx_pci_init); diff --git a/target/linux/ar71xx/patches-3.8/145-MIPS-ath79-move-global-PCI-defines-into-a-common-hea.patch b/target/linux/ar71xx/patches-3.8/145-MIPS-ath79-move-global-PCI-defines-into-a-common-hea.patch deleted file mode 100644 index 4861db00f3..0000000000 --- a/target/linux/ar71xx/patches-3.8/145-MIPS-ath79-move-global-PCI-defines-into-a-common-hea.patch +++ /dev/null @@ -1,94 +0,0 @@ -From c3a8b5fa196cedc4b940c1e5ec482dd875aa3180 Mon Sep 17 00:00:00 2001 -From: Gabor Juhos -Date: Mon, 11 Jun 2012 13:38:06 +0200 -Subject: [PATCH 06/34] MIPS: ath79: move global PCI defines into a common header - -The constants will be used by a subsequent patch. - -Signed-off-by: Gabor Juhos ---- - arch/mips/include/asm/mach-ath79/ar71xx_regs.h | 24 ++++++++++++++++++++++++ - arch/mips/pci/pci-ar71xx.c | 16 ---------------- - arch/mips/pci/pci-ar724x.c | 8 -------- - 3 files changed, 24 insertions(+), 24 deletions(-) - ---- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h -+++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h -@@ -41,11 +41,35 @@ - #define AR71XX_RESET_BASE (AR71XX_APB_BASE + 0x00060000) - #define AR71XX_RESET_SIZE 0x100 - -+#define AR71XX_PCI_MEM_BASE 0x10000000 -+#define AR71XX_PCI_MEM_SIZE 0x07000000 -+ -+#define AR71XX_PCI_WIN0_OFFS 0x10000000 -+#define AR71XX_PCI_WIN1_OFFS 0x11000000 -+#define AR71XX_PCI_WIN2_OFFS 0x12000000 -+#define AR71XX_PCI_WIN3_OFFS 0x13000000 -+#define AR71XX_PCI_WIN4_OFFS 0x14000000 -+#define AR71XX_PCI_WIN5_OFFS 0x15000000 -+#define AR71XX_PCI_WIN6_OFFS 0x16000000 -+#define AR71XX_PCI_WIN7_OFFS 0x07000000 -+ -+#define AR71XX_PCI_CFG_BASE \ -+ (AR71XX_PCI_MEM_BASE + AR71XX_PCI_WIN7_OFFS + 0x10000) -+#define AR71XX_PCI_CFG_SIZE 0x100 -+ - #define AR7240_USB_CTRL_BASE (AR71XX_APB_BASE + 0x00030000) - #define AR7240_USB_CTRL_SIZE 0x100 - #define AR7240_OHCI_BASE 0x1b000000 - #define AR7240_OHCI_SIZE 0x1000 - -+#define AR724X_PCI_MEM_BASE 0x10000000 -+#define AR724X_PCI_MEM_SIZE 0x04000000 -+ -+#define AR724X_PCI_CFG_BASE 0x14000000 -+#define AR724X_PCI_CFG_SIZE 0x1000 -+#define AR724X_PCI_CTRL_BASE (AR71XX_APB_BASE + 0x000f0000) -+#define AR724X_PCI_CTRL_SIZE 0x100 -+ - #define AR724X_EHCI_BASE 0x1b000000 - #define AR724X_EHCI_SIZE 0x1000 - ---- a/arch/mips/pci/pci-ar71xx.c -+++ b/arch/mips/pci/pci-ar71xx.c -@@ -25,22 +25,6 @@ - #include - #include - --#define AR71XX_PCI_MEM_BASE 0x10000000 --#define AR71XX_PCI_MEM_SIZE 0x07000000 -- --#define AR71XX_PCI_WIN0_OFFS 0x10000000 --#define AR71XX_PCI_WIN1_OFFS 0x11000000 --#define AR71XX_PCI_WIN2_OFFS 0x12000000 --#define AR71XX_PCI_WIN3_OFFS 0x13000000 --#define AR71XX_PCI_WIN4_OFFS 0x14000000 --#define AR71XX_PCI_WIN5_OFFS 0x15000000 --#define AR71XX_PCI_WIN6_OFFS 0x16000000 --#define AR71XX_PCI_WIN7_OFFS 0x07000000 -- --#define AR71XX_PCI_CFG_BASE \ -- (AR71XX_PCI_MEM_BASE + AR71XX_PCI_WIN7_OFFS + 0x10000) --#define AR71XX_PCI_CFG_SIZE 0x100 -- - #define AR71XX_PCI_REG_CRP_AD_CBE 0x00 - #define AR71XX_PCI_REG_CRP_WRDATA 0x04 - #define AR71XX_PCI_REG_CRP_RDDATA 0x08 ---- a/arch/mips/pci/pci-ar724x.c -+++ b/arch/mips/pci/pci-ar724x.c -@@ -17,14 +17,6 @@ - #include - #include - --#define AR724X_PCI_CFG_BASE 0x14000000 --#define AR724X_PCI_CFG_SIZE 0x1000 --#define AR724X_PCI_CTRL_BASE (AR71XX_APB_BASE + 0x000f0000) --#define AR724X_PCI_CTRL_SIZE 0x100 -- --#define AR724X_PCI_MEM_BASE 0x10000000 --#define AR724X_PCI_MEM_SIZE 0x04000000 -- - #define AR724X_PCI_REG_RESET 0x18 - #define AR724X_PCI_REG_INT_STATUS 0x4c - #define AR724X_PCI_REG_INT_MASK 0x50 diff --git a/target/linux/ar71xx/patches-3.8/146-MIPS-ath79-register-platform-devices-for-the-PCI-con.patch b/target/linux/ar71xx/patches-3.8/146-MIPS-ath79-register-platform-devices-for-the-PCI-con.patch deleted file mode 100644 index cc2572f88e..0000000000 --- a/target/linux/ar71xx/patches-3.8/146-MIPS-ath79-register-platform-devices-for-the-PCI-con.patch +++ /dev/null @@ -1,119 +0,0 @@ -From 2fdf8dcff3ffaa806e9f9d7f1c1bd876222cff4d Mon Sep 17 00:00:00 2001 -From: Gabor Juhos -Date: Mon, 11 Jun 2012 13:39:32 +0200 -Subject: [PATCH 07/34] MIPS: ath79: register platform devices for the PCI controllers - -Signed-off-by: Gabor Juhos ---- - arch/mips/ath79/pci.c | 87 +++++++++++++++++++++++++++++++++++++++++++----- - 1 files changed, 78 insertions(+), 9 deletions(-) - ---- a/arch/mips/ath79/pci.c -+++ b/arch/mips/ath79/pci.c -@@ -14,6 +14,8 @@ - - #include - #include -+#include -+#include - #include - #include - #include -@@ -110,21 +112,88 @@ void __init ath79_pci_set_plat_dev_init( - ath79_pci_plat_dev_init = func; - } - --int __init ath79_register_pci(void) -+static struct platform_device * -+ath79_register_pci_ar71xx(void) - { -- if (soc_is_ar71xx()) -- return ar71xx_pcibios_init(); -+ struct platform_device *pdev; -+ struct resource res[2]; -+ -+ memset(res, 0, sizeof(res)); - -- if (soc_is_ar724x()) -- return ar724x_pcibios_init(ATH79_CPU_IRQ_IP2); -+ res[0].name = "cfg_base"; -+ res[0].flags = IORESOURCE_MEM; -+ res[0].start = AR71XX_PCI_CFG_BASE; -+ res[0].end = AR71XX_PCI_CFG_BASE + AR71XX_PCI_CFG_SIZE - 1; -+ -+ res[1].flags = IORESOURCE_IRQ; -+ res[1].start = ATH79_CPU_IRQ_IP2; -+ res[1].end = ATH79_CPU_IRQ_IP2; -+ -+ pdev = platform_device_register_simple("ar71xx-pci", -1, -+ res, ARRAY_SIZE(res)); -+ return pdev; -+} - -- if (soc_is_ar9342() || soc_is_ar9344()) { -+static struct platform_device * -+ath79_register_pci_ar724x(int id, -+ unsigned long cfg_base, -+ unsigned long ctrl_base, -+ int irq) -+{ -+ struct platform_device *pdev; -+ struct resource res[3]; -+ -+ memset(res, 0, sizeof(res)); -+ -+ res[0].name = "cfg_base"; -+ res[0].flags = IORESOURCE_MEM; -+ res[0].start = cfg_base; -+ res[0].end = cfg_base + AR724X_PCI_CFG_SIZE - 1; -+ -+ res[1].name = "ctrl_base"; -+ res[1].flags = IORESOURCE_MEM; -+ res[1].start = ctrl_base; -+ res[1].end = ctrl_base + AR724X_PCI_CTRL_SIZE - 1; -+ -+ res[2].flags = IORESOURCE_IRQ; -+ res[2].start = irq; -+ res[2].end = irq; -+ -+ pdev = platform_device_register_simple("ar724x-pci", id, -+ res, ARRAY_SIZE(res)); -+ return pdev; -+} -+ -+int __init ath79_register_pci(void) -+{ -+ struct platform_device *pdev = NULL; -+ -+ if (soc_is_ar71xx()) { -+ pdev = ath79_register_pci_ar71xx(); -+ } else if (soc_is_ar724x()) { -+ pdev = ath79_register_pci_ar724x(-1, -+ AR724X_PCI_CFG_BASE, -+ AR724X_PCI_CTRL_BASE, -+ ATH79_CPU_IRQ_IP2); -+ } else if (soc_is_ar9342() || -+ soc_is_ar9344()) { - u32 bootstrap; - - bootstrap = ath79_reset_rr(AR934X_RESET_REG_BOOTSTRAP); -- if (bootstrap & AR934X_BOOTSTRAP_PCIE_RC) -- return ar724x_pcibios_init(ATH79_IP2_IRQ(0)); -+ if ((bootstrap & AR934X_BOOTSTRAP_PCIE_RC) == 0) -+ return -ENODEV; -+ -+ pdev = ath79_register_pci_ar724x(-1, -+ AR724X_PCI_CFG_BASE, -+ AR724X_PCI_CTRL_BASE, -+ ATH79_IP2_IRQ(0)); -+ } else { -+ /* No PCI support */ -+ return -ENODEV; - } - -- return -ENODEV; -+ if (!pdev) -+ pr_err("unable to register PCI controller device\n"); -+ -+ return pdev ? 0 : -ENODEV; - } diff --git a/target/linux/ar71xx/patches-3.8/147-MIPS-ath79-remove-unused-ar7-1x-24-x_pcibios_init-fu.patch b/target/linux/ar71xx/patches-3.8/147-MIPS-ath79-remove-unused-ar7-1x-24-x_pcibios_init-fu.patch deleted file mode 100644 index c3a7fca909..0000000000 --- a/target/linux/ar71xx/patches-3.8/147-MIPS-ath79-remove-unused-ar7-1x-24-x_pcibios_init-fu.patch +++ /dev/null @@ -1,147 +0,0 @@ -From 07224e2fa5f889162ee0560c6ab1eb8cd16a8dd2 Mon Sep 17 00:00:00 2001 -From: Gabor Juhos -Date: Mon, 11 Jun 2012 14:59:39 +0200 -Subject: [PATCH 08/34] MIPS: ath79: remove unused ar7{1x,24}x_pcibios_init functions - -The functions are unused now, so remove them. - -Signed-off-by: Gabor Juhos ---- - arch/mips/ath79/pci.c | 1 - - arch/mips/include/asm/mach-ath79/pci.h | 28 ---------------------------- - arch/mips/pci/pci-ar71xx.c | 26 -------------------------- - arch/mips/pci/pci-ar724x.c | 32 -------------------------------- - 4 files changed, 0 insertions(+), 87 deletions(-) - delete mode 100644 arch/mips/include/asm/mach-ath79/pci.h - ---- a/arch/mips/ath79/pci.c -+++ b/arch/mips/ath79/pci.c -@@ -19,7 +19,6 @@ - #include - #include - #include --#include - #include "pci.h" - - static int (*ath79_pci_plat_dev_init)(struct pci_dev *dev); ---- a/arch/mips/include/asm/mach-ath79/pci.h -+++ /dev/null -@@ -1,28 +0,0 @@ --/* -- * Atheros AR71XX/AR724X PCI support -- * -- * Copyright (C) 2011 René Bolldorf -- * Copyright (C) 2008-2011 Gabor Juhos -- * Copyright (C) 2008 Imre Kaloz -- * -- * 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. -- */ -- --#ifndef __ASM_MACH_ATH79_PCI_H --#define __ASM_MACH_ATH79_PCI_H -- --#if defined(CONFIG_PCI) && defined(CONFIG_SOC_AR71XX) --int ar71xx_pcibios_init(void); --#else --static inline int ar71xx_pcibios_init(void) { return 0; } --#endif -- --#if defined(CONFIG_PCI_AR724X) --int ar724x_pcibios_init(int irq); --#else --static inline int ar724x_pcibios_init(int irq) { return 0; } --#endif -- --#endif /* __ASM_MACH_ATH79_PCI_H */ ---- a/arch/mips/pci/pci-ar71xx.c -+++ b/arch/mips/pci/pci-ar71xx.c -@@ -23,7 +23,6 @@ - - #include - #include --#include - - #define AR71XX_PCI_REG_CRP_AD_CBE 0x00 - #define AR71XX_PCI_REG_CRP_WRDATA 0x04 -@@ -335,31 +334,6 @@ static void ar71xx_pci_reset(void) - mdelay(100); - } - --__init int ar71xx_pcibios_init(void) --{ -- u32 t; -- -- ar71xx_pcicfg_base = ioremap(AR71XX_PCI_CFG_BASE, AR71XX_PCI_CFG_SIZE); -- if (ar71xx_pcicfg_base == NULL) -- return -ENOMEM; -- -- ar71xx_pci_reset(); -- -- /* setup COMMAND register */ -- t = PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE -- | PCI_COMMAND_PARITY | PCI_COMMAND_SERR | PCI_COMMAND_FAST_BACK; -- ar71xx_pci_local_write(PCI_COMMAND, 4, t); -- -- /* clear bus errors */ -- ar71xx_pci_check_error(1); -- -- ar71xx_pci_irq_init(ATH79_CPU_IRQ_IP2); -- -- register_pci_controller(&ar71xx_pci_controller); -- -- return 0; --} -- - static int ar71xx_pci_probe(struct platform_device *pdev) - { - struct resource *res; ---- a/arch/mips/pci/pci-ar724x.c -+++ b/arch/mips/pci/pci-ar724x.c -@@ -15,7 +15,6 @@ - #include - #include - #include --#include - - #define AR724X_PCI_REG_RESET 0x18 - #define AR724X_PCI_REG_INT_STATUS 0x4c -@@ -276,37 +275,6 @@ static void ar724x_pci_irq_init(int irq) - irq_set_chained_handler(irq, ar724x_pci_irq_handler); - } - --int ar724x_pcibios_init(int irq) --{ -- int ret; -- -- ret = -ENOMEM; -- -- ar724x_pci_devcfg_base = ioremap(AR724X_PCI_CFG_BASE, -- AR724X_PCI_CFG_SIZE); -- if (ar724x_pci_devcfg_base == NULL) -- goto err; -- -- ar724x_pci_ctrl_base = ioremap(AR724X_PCI_CTRL_BASE, -- AR724X_PCI_CTRL_SIZE); -- if (ar724x_pci_ctrl_base == NULL) -- goto err_unmap_devcfg; -- -- ar724x_pci_link_up = ar724x_pci_check_link(); -- if (!ar724x_pci_link_up) -- pr_warn("ar724x: PCIe link is down\n"); -- -- ar724x_pci_irq_init(irq); -- register_pci_controller(&ar724x_pci_controller); -- -- return PCIBIOS_SUCCESSFUL; -- --err_unmap_devcfg: -- iounmap(ar724x_pci_devcfg_base); --err: -- return ret; --} -- - static int ar724x_pci_probe(struct platform_device *pdev) - { - struct resource *res; diff --git a/target/linux/ar71xx/patches-3.8/148-MIPS-avoid-possible-resource-conflict-in-register_pc.patch b/target/linux/ar71xx/patches-3.8/148-MIPS-avoid-possible-resource-conflict-in-register_pc.patch deleted file mode 100644 index e732ce029f..0000000000 --- a/target/linux/ar71xx/patches-3.8/148-MIPS-avoid-possible-resource-conflict-in-register_pc.patch +++ /dev/null @@ -1,35 +0,0 @@ -From a018b28d3953a32008de839d997a992a724ae314 Mon Sep 17 00:00:00 2001 -From: Gabor Juhos -Date: Sun, 24 Jun 2012 17:40:45 +0200 -Subject: [PATCH 09/34] MIPS: avoid possible resource conflict in register_pci_controller - -Signed-off-by: Gabor Juhos ---- - arch/mips/pci/pci.c | 15 +++++++++++++-- - 1 files changed, 13 insertions(+), 2 deletions(-) - ---- a/arch/mips/pci/pci.c -+++ b/arch/mips/pci/pci.c -@@ -175,9 +175,20 @@ static DEFINE_MUTEX(pci_scan_mutex); - - void register_pci_controller(struct pci_controller *hose) - { -- if (request_resource(&iomem_resource, hose->mem_resource) < 0) -+ struct resource *parent; -+ -+ parent = hose->mem_resource->parent; -+ if (!parent) -+ parent = &iomem_resource; -+ -+ if (request_resource(parent, hose->mem_resource) < 0) - goto out; -- if (request_resource(&ioport_resource, hose->io_resource) < 0) { -+ -+ parent = hose->io_resource->parent; -+ if (!parent) -+ parent = &ioport_resource; -+ -+ if (request_resource(parent, hose->io_resource) < 0) { - release_resource(hose->mem_resource); - goto out; - } diff --git a/target/linux/ar71xx/patches-3.8/149-MIPS-pci-ar724x-use-dynamically-allocated-PCI-contro.patch b/target/linux/ar71xx/patches-3.8/149-MIPS-pci-ar724x-use-dynamically-allocated-PCI-contro.patch deleted file mode 100644 index 1a7ec7af4e..0000000000 --- a/target/linux/ar71xx/patches-3.8/149-MIPS-pci-ar724x-use-dynamically-allocated-PCI-contro.patch +++ /dev/null @@ -1,307 +0,0 @@ -From 242aedf3246dc5085271aca56134ac455bfb64b5 Mon Sep 17 00:00:00 2001 -From: Gabor Juhos -Date: Sun, 24 Jun 2012 11:51:34 +0200 -Subject: [PATCH 10/34] MIPS: pci-ar724x: use dynamically allocated PCI controller structure - -Signed-off-by: Gabor Juhos ---- - arch/mips/pci/pci-ar724x.c | 129 ++++++++++++++++++++++++++++---------------- - 1 files changed, 82 insertions(+), 47 deletions(-) - ---- a/arch/mips/pci/pci-ar724x.c -+++ b/arch/mips/pci/pci-ar724x.c -@@ -9,6 +9,7 @@ - * by the Free Software Foundation. - */ - -+#include - #include - #include - #include -@@ -28,38 +29,56 @@ - - #define AR7240_BAR0_WAR_VALUE 0xffff - --static DEFINE_SPINLOCK(ar724x_pci_lock); --static void __iomem *ar724x_pci_devcfg_base; --static void __iomem *ar724x_pci_ctrl_base; -- --static u32 ar724x_pci_bar0_value; --static bool ar724x_pci_bar0_is_cached; --static bool ar724x_pci_link_up; -+struct ar724x_pci_controller { -+ void __iomem *devcfg_base; -+ void __iomem *ctrl_base; - --static inline bool ar724x_pci_check_link(void) -+ int irq; -+ -+ bool link_up; -+ bool bar0_is_cached; -+ u32 bar0_value; -+ -+ spinlock_t lock; -+ -+ struct pci_controller pci_controller; -+}; -+ -+static inline bool ar724x_pci_check_link(struct ar724x_pci_controller *apc) - { - u32 reset; - -- reset = __raw_readl(ar724x_pci_ctrl_base + AR724X_PCI_REG_RESET); -+ reset = __raw_readl(apc->ctrl_base + AR724X_PCI_REG_RESET); - return reset & AR724X_PCI_RESET_LINK_UP; - } - -+static inline struct ar724x_pci_controller * -+pci_bus_to_ar724x_controller(struct pci_bus *bus) -+{ -+ struct pci_controller *hose; -+ -+ hose = (struct pci_controller *) bus->sysdata; -+ return container_of(hose, struct ar724x_pci_controller, pci_controller); -+} -+ - static int ar724x_pci_read(struct pci_bus *bus, unsigned int devfn, int where, - int size, uint32_t *value) - { -+ struct ar724x_pci_controller *apc; - unsigned long flags; - void __iomem *base; - u32 data; - -- if (!ar724x_pci_link_up) -+ apc = pci_bus_to_ar724x_controller(bus); -+ if (!apc->link_up) - return PCIBIOS_DEVICE_NOT_FOUND; - - if (devfn) - return PCIBIOS_DEVICE_NOT_FOUND; - -- base = ar724x_pci_devcfg_base; -+ base = apc->devcfg_base; - -- spin_lock_irqsave(&ar724x_pci_lock, flags); -+ spin_lock_irqsave(&apc->lock, flags); - data = __raw_readl(base + (where & ~3)); - - switch (size) { -@@ -78,17 +97,17 @@ static int ar724x_pci_read(struct pci_bu - case 4: - break; - default: -- spin_unlock_irqrestore(&ar724x_pci_lock, flags); -+ spin_unlock_irqrestore(&apc->lock, flags); - - return PCIBIOS_BAD_REGISTER_NUMBER; - } - -- spin_unlock_irqrestore(&ar724x_pci_lock, flags); -+ spin_unlock_irqrestore(&apc->lock, flags); - - if (where == PCI_BASE_ADDRESS_0 && size == 4 && -- ar724x_pci_bar0_is_cached) { -+ apc->bar0_is_cached) { - /* use the cached value */ -- *value = ar724x_pci_bar0_value; -+ *value = apc->bar0_value; - } else { - *value = data; - } -@@ -99,12 +118,14 @@ static int ar724x_pci_read(struct pci_bu - static int ar724x_pci_write(struct pci_bus *bus, unsigned int devfn, int where, - int size, uint32_t value) - { -+ struct ar724x_pci_controller *apc; - unsigned long flags; - void __iomem *base; - u32 data; - int s; - -- if (!ar724x_pci_link_up) -+ apc = pci_bus_to_ar724x_controller(bus); -+ if (!apc->link_up) - return PCIBIOS_DEVICE_NOT_FOUND; - - if (devfn) -@@ -122,18 +143,18 @@ static int ar724x_pci_write(struct pci_b - * BAR0 register in order to make the device memory - * accessible. - */ -- ar724x_pci_bar0_is_cached = true; -- ar724x_pci_bar0_value = value; -+ apc->bar0_is_cached = true; -+ apc->bar0_value = value; - - value = AR7240_BAR0_WAR_VALUE; - } else { -- ar724x_pci_bar0_is_cached = false; -+ apc->bar0_is_cached = false; - } - } - -- base = ar724x_pci_devcfg_base; -+ base = apc->devcfg_base; - -- spin_lock_irqsave(&ar724x_pci_lock, flags); -+ spin_lock_irqsave(&apc->lock, flags); - data = __raw_readl(base + (where & ~3)); - - switch (size) { -@@ -151,7 +172,7 @@ static int ar724x_pci_write(struct pci_b - data = value; - break; - default: -- spin_unlock_irqrestore(&ar724x_pci_lock, flags); -+ spin_unlock_irqrestore(&apc->lock, flags); - - return PCIBIOS_BAD_REGISTER_NUMBER; - } -@@ -159,7 +180,7 @@ static int ar724x_pci_write(struct pci_b - __raw_writel(data, base + (where & ~3)); - /* flush write */ - __raw_readl(base + (where & ~3)); -- spin_unlock_irqrestore(&ar724x_pci_lock, flags); -+ spin_unlock_irqrestore(&apc->lock, flags); - - return PCIBIOS_SUCCESSFUL; - } -@@ -183,18 +204,14 @@ static struct resource ar724x_mem_resour - .flags = IORESOURCE_MEM, - }; - --static struct pci_controller ar724x_pci_controller = { -- .pci_ops = &ar724x_pci_ops, -- .io_resource = &ar724x_io_resource, -- .mem_resource = &ar724x_mem_resource, --}; -- - static void ar724x_pci_irq_handler(unsigned int irq, struct irq_desc *desc) - { -+ struct ar724x_pci_controller *apc; - void __iomem *base; - u32 pending; - -- base = ar724x_pci_ctrl_base; -+ apc = irq_get_handler_data(irq); -+ base = apc->ctrl_base; - - pending = __raw_readl(base + AR724X_PCI_REG_INT_STATUS) & - __raw_readl(base + AR724X_PCI_REG_INT_MASK); -@@ -208,10 +225,12 @@ static void ar724x_pci_irq_handler(unsig - - static void ar724x_pci_irq_unmask(struct irq_data *d) - { -+ struct ar724x_pci_controller *apc; - void __iomem *base; - u32 t; - -- base = ar724x_pci_ctrl_base; -+ apc = irq_data_get_irq_chip_data(d); -+ base = apc->ctrl_base; - - switch (d->irq) { - case ATH79_PCI_IRQ(0): -@@ -225,10 +244,12 @@ static void ar724x_pci_irq_unmask(struct - - static void ar724x_pci_irq_mask(struct irq_data *d) - { -+ struct ar724x_pci_controller *apc; - void __iomem *base; - u32 t; - -- base = ar724x_pci_ctrl_base; -+ apc = irq_data_get_irq_chip_data(d); -+ base = apc->ctrl_base; - - switch (d->irq) { - case ATH79_PCI_IRQ(0): -@@ -255,12 +276,12 @@ static struct irq_chip ar724x_pci_irq_ch - .irq_mask_ack = ar724x_pci_irq_mask, - }; - --static void ar724x_pci_irq_init(int irq) -+static void ar724x_pci_irq_init(struct ar724x_pci_controller *apc) - { - void __iomem *base; - int i; - -- base = ar724x_pci_ctrl_base; -+ base = apc->ctrl_base; - - __raw_writel(0, base + AR724X_PCI_REG_INT_MASK); - __raw_writel(0, base + AR724X_PCI_REG_INT_STATUS); -@@ -268,45 +289,59 @@ static void ar724x_pci_irq_init(int irq) - BUILD_BUG_ON(ATH79_PCI_IRQ_COUNT < AR724X_PCI_IRQ_COUNT); - - for (i = ATH79_PCI_IRQ_BASE; -- i < ATH79_PCI_IRQ_BASE + AR724X_PCI_IRQ_COUNT; i++) -+ i < ATH79_PCI_IRQ_BASE + AR724X_PCI_IRQ_COUNT; i++) { - irq_set_chip_and_handler(i, &ar724x_pci_irq_chip, - handle_level_irq); -+ irq_set_chip_data(i, apc); -+ } - -- irq_set_chained_handler(irq, ar724x_pci_irq_handler); -+ irq_set_handler_data(apc->irq, apc); -+ irq_set_chained_handler(apc->irq, ar724x_pci_irq_handler); - } - - static int ar724x_pci_probe(struct platform_device *pdev) - { -+ struct ar724x_pci_controller *apc; - struct resource *res; -- int irq; -+ -+ apc = devm_kzalloc(&pdev->dev, sizeof(struct ar724x_pci_controller), -+ GFP_KERNEL); -+ if (!apc) -+ return -ENOMEM; - - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ctrl_base"); - if (!res) - return -EINVAL; - -- ar724x_pci_ctrl_base = devm_request_and_ioremap(&pdev->dev, res); -- if (ar724x_pci_ctrl_base == NULL) -+ apc->ctrl_base = devm_request_and_ioremap(&pdev->dev, res); -+ if (apc->ctrl_base == NULL) - return -EBUSY; - - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg_base"); - if (!res) - return -EINVAL; - -- ar724x_pci_devcfg_base = devm_request_and_ioremap(&pdev->dev, res); -- if (!ar724x_pci_devcfg_base) -+ apc->devcfg_base = devm_request_and_ioremap(&pdev->dev, res); -+ if (!apc->devcfg_base) - return -EBUSY; - -- irq = platform_get_irq(pdev, 0); -- if (irq < 0) -+ apc->irq = platform_get_irq(pdev, 0); -+ if (apc->irq < 0) - return -EINVAL; - -- ar724x_pci_link_up = ar724x_pci_check_link(); -- if (!ar724x_pci_link_up) -+ spin_lock_init(&apc->lock); -+ -+ apc->pci_controller.pci_ops = &ar724x_pci_ops; -+ apc->pci_controller.io_resource = &ar724x_io_resource; -+ apc->pci_controller.mem_resource = &ar724x_mem_resource; -+ -+ apc->link_up = ar724x_pci_check_link(apc); -+ if (!apc->link_up) - dev_warn(&pdev->dev, "PCIe link is down\n"); - -- ar724x_pci_irq_init(irq); -+ ar724x_pci_irq_init(apc); - -- register_pci_controller(&ar724x_pci_controller); -+ register_pci_controller(&apc->pci_controller); - - return 0; - } diff --git a/target/linux/ar71xx/patches-3.8/150-MIPS-pci-ar724x-remove-static-PCI-resources.patch b/target/linux/ar71xx/patches-3.8/150-MIPS-pci-ar724x-remove-static-PCI-resources.patch deleted file mode 100644 index 34e2c0706f..0000000000 --- a/target/linux/ar71xx/patches-3.8/150-MIPS-pci-ar724x-remove-static-PCI-resources.patch +++ /dev/null @@ -1,131 +0,0 @@ -From f1c3a7dadf7b77809cda7f77df4b1ba3b24fbfa3 Mon Sep 17 00:00:00 2001 -From: Gabor Juhos -Date: Wed, 27 Jun 2012 10:12:50 +0200 -Subject: [PATCH 11/34] MIPS: pci-ar724x: remove static PCI resources - -Get those from the platform device instead. - -Signed-off-by: Gabor Juhos ---- - arch/mips/ath79/pci.c | 21 ++++++++++++++++++++- - arch/mips/pci/pci-ar724x.c | 40 ++++++++++++++++++++++++---------------- - 2 files changed, 44 insertions(+), 17 deletions(-) - ---- a/arch/mips/ath79/pci.c -+++ b/arch/mips/ath79/pci.c -@@ -137,10 +137,13 @@ static struct platform_device * - ath79_register_pci_ar724x(int id, - unsigned long cfg_base, - unsigned long ctrl_base, -+ unsigned long mem_base, -+ unsigned long mem_size, -+ unsigned long io_base, - int irq) - { - struct platform_device *pdev; -- struct resource res[3]; -+ struct resource res[5]; - - memset(res, 0, sizeof(res)); - -@@ -158,6 +161,16 @@ ath79_register_pci_ar724x(int id, - res[2].start = irq; - res[2].end = irq; - -+ res[3].name = "mem_base"; -+ res[3].flags = IORESOURCE_MEM; -+ res[3].start = mem_base; -+ res[3].end = mem_base + mem_size - 1; -+ -+ res[4].name = "io_base"; -+ res[4].flags = IORESOURCE_IO; -+ res[4].start = io_base; -+ res[4].end = io_base; -+ - pdev = platform_device_register_simple("ar724x-pci", id, - res, ARRAY_SIZE(res)); - return pdev; -@@ -173,6 +186,9 @@ int __init ath79_register_pci(void) - pdev = ath79_register_pci_ar724x(-1, - AR724X_PCI_CFG_BASE, - AR724X_PCI_CTRL_BASE, -+ AR724X_PCI_MEM_BASE, -+ AR724X_PCI_MEM_SIZE, -+ 0, - ATH79_CPU_IRQ_IP2); - } else if (soc_is_ar9342() || - soc_is_ar9344()) { -@@ -185,6 +201,9 @@ int __init ath79_register_pci(void) - pdev = ath79_register_pci_ar724x(-1, - AR724X_PCI_CFG_BASE, - AR724X_PCI_CTRL_BASE, -+ AR724X_PCI_MEM_BASE, -+ AR724X_PCI_MEM_SIZE, -+ 0, - ATH79_IP2_IRQ(0)); - } else { - /* No PCI support */ ---- a/arch/mips/pci/pci-ar724x.c -+++ b/arch/mips/pci/pci-ar724x.c -@@ -42,6 +42,8 @@ struct ar724x_pci_controller { - spinlock_t lock; - - struct pci_controller pci_controller; -+ struct resource io_res; -+ struct resource mem_res; - }; - - static inline bool ar724x_pci_check_link(struct ar724x_pci_controller *apc) -@@ -190,20 +192,6 @@ static struct pci_ops ar724x_pci_ops = { - .write = ar724x_pci_write, - }; - --static struct resource ar724x_io_resource = { -- .name = "PCI IO space", -- .start = 0, -- .end = 0, -- .flags = IORESOURCE_IO, --}; -- --static struct resource ar724x_mem_resource = { -- .name = "PCI memory space", -- .start = AR724X_PCI_MEM_BASE, -- .end = AR724X_PCI_MEM_BASE + AR724X_PCI_MEM_SIZE - 1, -- .flags = IORESOURCE_MEM, --}; -- - static void ar724x_pci_irq_handler(unsigned int irq, struct irq_desc *desc) - { - struct ar724x_pci_controller *apc; -@@ -331,9 +319,29 @@ static int ar724x_pci_probe(struct platf - - spin_lock_init(&apc->lock); - -+ res = platform_get_resource_byname(pdev, IORESOURCE_IO, "io_base"); -+ if (!res) -+ return -EINVAL; -+ -+ apc->io_res.parent = res; -+ apc->io_res.name = "PCI IO space"; -+ apc->io_res.start = res->start; -+ apc->io_res.end = res->end; -+ apc->io_res.flags = IORESOURCE_IO; -+ -+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mem_base"); -+ if (!res) -+ return -EINVAL; -+ -+ apc->mem_res.parent = res; -+ apc->mem_res.name = "PCI memory space"; -+ apc->mem_res.start = res->start; -+ apc->mem_res.end = res->end; -+ apc->mem_res.flags = IORESOURCE_MEM; -+ - apc->pci_controller.pci_ops = &ar724x_pci_ops; -- apc->pci_controller.io_resource = &ar724x_io_resource; -- apc->pci_controller.mem_resource = &ar724x_mem_resource; -+ apc->pci_controller.io_resource = &apc->io_res; -+ apc->pci_controller.mem_resource = &apc->mem_res; - - apc->link_up = ar724x_pci_check_link(apc); - if (!apc->link_up) diff --git a/target/linux/ar71xx/patches-3.8/151-MIPS-pci-ar724x-use-per-controller-IRQ-base.patch b/target/linux/ar71xx/patches-3.8/151-MIPS-pci-ar724x-use-per-controller-IRQ-base.patch deleted file mode 100644 index 1debcfc80a..0000000000 --- a/target/linux/ar71xx/patches-3.8/151-MIPS-pci-ar724x-use-per-controller-IRQ-base.patch +++ /dev/null @@ -1,110 +0,0 @@ -From d258929cd4c8c495f619f0e66d9d1c23f3f9246f Mon Sep 17 00:00:00 2001 -From: Gabor Juhos -Date: Tue, 26 Jun 2012 11:59:45 +0200 -Subject: [PATCH 12/34] MIPS: pci-ar724x: use per-controller IRQ base - -Signed-off-by: Gabor Juhos ---- - arch/mips/pci/pci-ar724x.c | 31 +++++++++++++++++++++---------- - 1 files changed, 21 insertions(+), 10 deletions(-) - ---- a/arch/mips/pci/pci-ar724x.c -+++ b/arch/mips/pci/pci-ar724x.c -@@ -34,6 +34,7 @@ struct ar724x_pci_controller { - void __iomem *ctrl_base; - - int irq; -+ int irq_base; - - bool link_up; - bool bar0_is_cached; -@@ -205,7 +206,7 @@ static void ar724x_pci_irq_handler(unsig - __raw_readl(base + AR724X_PCI_REG_INT_MASK); - - if (pending & AR724X_PCI_INT_DEV0) -- generic_handle_irq(ATH79_PCI_IRQ(0)); -+ generic_handle_irq(apc->irq_base + 0); - - else - spurious_interrupt(); -@@ -215,13 +216,15 @@ static void ar724x_pci_irq_unmask(struct - { - struct ar724x_pci_controller *apc; - void __iomem *base; -+ int offset; - u32 t; - - apc = irq_data_get_irq_chip_data(d); - base = apc->ctrl_base; -+ offset = apc->irq_base - d->irq; - -- switch (d->irq) { -- case ATH79_PCI_IRQ(0): -+ switch (offset) { -+ case 0: - t = __raw_readl(base + AR724X_PCI_REG_INT_MASK); - __raw_writel(t | AR724X_PCI_INT_DEV0, - base + AR724X_PCI_REG_INT_MASK); -@@ -234,13 +237,15 @@ static void ar724x_pci_irq_mask(struct i - { - struct ar724x_pci_controller *apc; - void __iomem *base; -+ int offset; - u32 t; - - apc = irq_data_get_irq_chip_data(d); - base = apc->ctrl_base; -+ offset = apc->irq_base - d->irq; - -- switch (d->irq) { -- case ATH79_PCI_IRQ(0): -+ switch (offset) { -+ case 0: - t = __raw_readl(base + AR724X_PCI_REG_INT_MASK); - __raw_writel(t & ~AR724X_PCI_INT_DEV0, - base + AR724X_PCI_REG_INT_MASK); -@@ -264,7 +269,8 @@ static struct irq_chip ar724x_pci_irq_ch - .irq_mask_ack = ar724x_pci_irq_mask, - }; - --static void ar724x_pci_irq_init(struct ar724x_pci_controller *apc) -+static void ar724x_pci_irq_init(struct ar724x_pci_controller *apc, -+ int id) - { - void __iomem *base; - int i; -@@ -274,10 +280,10 @@ static void ar724x_pci_irq_init(struct a - __raw_writel(0, base + AR724X_PCI_REG_INT_MASK); - __raw_writel(0, base + AR724X_PCI_REG_INT_STATUS); - -- BUILD_BUG_ON(ATH79_PCI_IRQ_COUNT < AR724X_PCI_IRQ_COUNT); -+ apc->irq_base = ATH79_PCI_IRQ_BASE + (id * AR724X_PCI_IRQ_COUNT); - -- for (i = ATH79_PCI_IRQ_BASE; -- i < ATH79_PCI_IRQ_BASE + AR724X_PCI_IRQ_COUNT; i++) { -+ for (i = apc->irq_base; -+ i < apc->irq_base + AR724X_PCI_IRQ_COUNT; i++) { - irq_set_chip_and_handler(i, &ar724x_pci_irq_chip, - handle_level_irq); - irq_set_chip_data(i, apc); -@@ -291,6 +297,11 @@ static int ar724x_pci_probe(struct platf - { - struct ar724x_pci_controller *apc; - struct resource *res; -+ int id; -+ -+ id = pdev->id; -+ if (id == -1) -+ id = 0; - - apc = devm_kzalloc(&pdev->dev, sizeof(struct ar724x_pci_controller), - GFP_KERNEL); -@@ -347,7 +358,7 @@ static int ar724x_pci_probe(struct platf - if (!apc->link_up) - dev_warn(&pdev->dev, "PCIe link is down\n"); - -- ar724x_pci_irq_init(apc); -+ ar724x_pci_irq_init(apc, id); - - register_pci_controller(&apc->pci_controller); - diff --git a/target/linux/ar71xx/patches-3.8/152-MIPS-pci-ar724x-setup-command-register-of-the-PCI-co.patch b/target/linux/ar71xx/patches-3.8/152-MIPS-pci-ar724x-setup-command-register-of-the-PCI-co.patch deleted file mode 100644 index 9f895bb18d..0000000000 --- a/target/linux/ar71xx/patches-3.8/152-MIPS-pci-ar724x-setup-command-register-of-the-PCI-co.patch +++ /dev/null @@ -1,165 +0,0 @@ -From 93824983ceb36d4ce1f4a644031ec6fb5f332f1d Mon Sep 17 00:00:00 2001 -From: Gabor Juhos -Date: Tue, 26 Jun 2012 15:14:47 +0200 -Subject: [PATCH 13/34] MIPS: pci-ar724x: setup command register of the PCI controller - -Signed-off-by: Gabor Juhos ---- - arch/mips/ath79/pci.c | 10 +++- - arch/mips/include/asm/mach-ath79/ar71xx_regs.h | 2 + - arch/mips/pci/pci-ar724x.c | 63 ++++++++++++++++++++++++ - 3 files changed, 74 insertions(+), 1 deletions(-) - ---- a/arch/mips/ath79/pci.c -+++ b/arch/mips/ath79/pci.c -@@ -137,13 +137,14 @@ static struct platform_device * - ath79_register_pci_ar724x(int id, - unsigned long cfg_base, - unsigned long ctrl_base, -+ unsigned long crp_base, - unsigned long mem_base, - unsigned long mem_size, - unsigned long io_base, - int irq) - { - struct platform_device *pdev; -- struct resource res[5]; -+ struct resource res[6]; - - memset(res, 0, sizeof(res)); - -@@ -171,6 +172,11 @@ ath79_register_pci_ar724x(int id, - res[4].start = io_base; - res[4].end = io_base; - -+ res[5].name = "crp_base"; -+ res[5].flags = IORESOURCE_MEM; -+ res[5].start = crp_base; -+ res[5].end = crp_base + AR724X_PCI_CRP_SIZE - 1; -+ - pdev = platform_device_register_simple("ar724x-pci", id, - res, ARRAY_SIZE(res)); - return pdev; -@@ -186,6 +192,7 @@ int __init ath79_register_pci(void) - pdev = ath79_register_pci_ar724x(-1, - AR724X_PCI_CFG_BASE, - AR724X_PCI_CTRL_BASE, -+ AR724X_PCI_CRP_BASE, - AR724X_PCI_MEM_BASE, - AR724X_PCI_MEM_SIZE, - 0, -@@ -201,6 +208,7 @@ int __init ath79_register_pci(void) - pdev = ath79_register_pci_ar724x(-1, - AR724X_PCI_CFG_BASE, - AR724X_PCI_CTRL_BASE, -+ AR724X_PCI_CRP_BASE, - AR724X_PCI_MEM_BASE, - AR724X_PCI_MEM_SIZE, - 0, ---- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h -+++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h -@@ -67,6 +67,8 @@ - - #define AR724X_PCI_CFG_BASE 0x14000000 - #define AR724X_PCI_CFG_SIZE 0x1000 -+#define AR724X_PCI_CRP_BASE (AR71XX_APB_BASE + 0x000c0000) -+#define AR724X_PCI_CRP_SIZE 0x1000 - #define AR724X_PCI_CTRL_BASE (AR71XX_APB_BASE + 0x000f0000) - #define AR724X_PCI_CTRL_SIZE 0x100 - ---- a/arch/mips/pci/pci-ar724x.c -+++ b/arch/mips/pci/pci-ar724x.c -@@ -29,9 +29,17 @@ - - #define AR7240_BAR0_WAR_VALUE 0xffff - -+#define AR724X_PCI_CMD_INIT (PCI_COMMAND_MEMORY | \ -+ PCI_COMMAND_MASTER | \ -+ PCI_COMMAND_INVALIDATE | \ -+ PCI_COMMAND_PARITY | \ -+ PCI_COMMAND_SERR | \ -+ PCI_COMMAND_FAST_BACK) -+ - struct ar724x_pci_controller { - void __iomem *devcfg_base; - void __iomem *ctrl_base; -+ void __iomem *crp_base; - - int irq; - int irq_base; -@@ -64,6 +72,51 @@ pci_bus_to_ar724x_controller(struct pci_ - return container_of(hose, struct ar724x_pci_controller, pci_controller); - } - -+static int ar724x_pci_local_write(struct ar724x_pci_controller *apc, -+ int where, int size, u32 value) -+{ -+ unsigned long flags; -+ void __iomem *base; -+ u32 data; -+ int s; -+ -+ WARN_ON(where & (size - 1)); -+ -+ if (!apc->link_up) -+ return PCIBIOS_DEVICE_NOT_FOUND; -+ -+ base = apc->crp_base; -+ -+ spin_lock_irqsave(&apc->lock, flags); -+ data = __raw_readl(base + (where & ~3)); -+ -+ switch (size) { -+ case 1: -+ s = ((where & 3) * 8); -+ data &= ~(0xff << s); -+ data |= ((value & 0xff) << s); -+ break; -+ case 2: -+ s = ((where & 2) * 8); -+ data &= ~(0xffff << s); -+ data |= ((value & 0xffff) << s); -+ break; -+ case 4: -+ data = value; -+ break; -+ default: -+ spin_unlock_irqrestore(&apc->lock, flags); -+ return PCIBIOS_BAD_REGISTER_NUMBER; -+ } -+ -+ __raw_writel(data, base + (where & ~3)); -+ /* flush write */ -+ __raw_readl(base + (where & ~3)); -+ spin_unlock_irqrestore(&apc->lock, flags); -+ -+ return PCIBIOS_SUCCESSFUL; -+} -+ - static int ar724x_pci_read(struct pci_bus *bus, unsigned int devfn, int where, - int size, uint32_t *value) - { -@@ -324,6 +377,14 @@ static int ar724x_pci_probe(struct platf - if (!apc->devcfg_base) - return -EBUSY; - -+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "crp_base"); -+ if (!res) -+ return -EINVAL; -+ -+ apc->crp_base = devm_request_and_ioremap(&pdev->dev, res); -+ if (apc->crp_base == NULL) -+ return -EBUSY; -+ - apc->irq = platform_get_irq(pdev, 0); - if (apc->irq < 0) - return -EINVAL; -@@ -360,6 +421,8 @@ static int ar724x_pci_probe(struct platf - - ar724x_pci_irq_init(apc, id); - -+ ar724x_pci_local_write(apc, PCI_COMMAND, 4, AR724X_PCI_CMD_INIT); -+ - register_pci_controller(&apc->pci_controller); - - return 0; diff --git a/target/linux/ar71xx/patches-3.8/153-MIPS-pci-ar71xx-use-dynamically-allocated-PCI-contro.patch b/target/linux/ar71xx/patches-3.8/153-MIPS-pci-ar71xx-use-dynamically-allocated-PCI-contro.patch deleted file mode 100644 index 9d73823bd9..0000000000 --- a/target/linux/ar71xx/patches-3.8/153-MIPS-pci-ar71xx-use-dynamically-allocated-PCI-contro.patch +++ /dev/null @@ -1,228 +0,0 @@ -From 6c3ef689e4364dca74eaaecd72384be09e5a6bc8 Mon Sep 17 00:00:00 2001 -From: Gabor Juhos -Date: Mon, 25 Jun 2012 09:19:08 +0200 -Subject: [PATCH 14/34] MIPS: pci-ar71xx: use dynamically allocated PCI controller structure - -Signed-off-by: Gabor Juhos ---- - arch/mips/pci/pci-ar71xx.c | 84 +++++++++++++++++++++++++++---------------- - 1 files changed, 53 insertions(+), 31 deletions(-) - ---- a/arch/mips/pci/pci-ar71xx.c -+++ b/arch/mips/pci/pci-ar71xx.c -@@ -20,6 +20,7 @@ - #include - #include - #include -+#include - - #include - #include -@@ -48,8 +49,12 @@ - - #define AR71XX_PCI_IRQ_COUNT 5 - --static DEFINE_SPINLOCK(ar71xx_pci_lock); --static void __iomem *ar71xx_pcicfg_base; -+struct ar71xx_pci_controller { -+ void __iomem *cfg_base; -+ spinlock_t lock; -+ int irq; -+ struct pci_controller pci_ctrl; -+}; - - /* Byte lane enable bits */ - static const u8 ar71xx_pci_ble_table[4][4] = { -@@ -92,9 +97,18 @@ static inline u32 ar71xx_pci_bus_addr(st - return ret; - } - --static int ar71xx_pci_check_error(int quiet) -+static inline struct ar71xx_pci_controller * -+pci_bus_to_ar71xx_controller(struct pci_bus *bus) - { -- void __iomem *base = ar71xx_pcicfg_base; -+ struct pci_controller *hose; -+ -+ hose = (struct pci_controller *) bus->sysdata; -+ return container_of(hose, struct ar71xx_pci_controller, pci_ctrl); -+} -+ -+static int ar71xx_pci_check_error(struct ar71xx_pci_controller *apc, int quiet) -+{ -+ void __iomem *base = apc->cfg_base; - u32 pci_err; - u32 ahb_err; - -@@ -129,9 +143,10 @@ static int ar71xx_pci_check_error(int qu - return !!(ahb_err | pci_err); - } - --static inline void ar71xx_pci_local_write(int where, int size, u32 value) -+static inline void ar71xx_pci_local_write(struct ar71xx_pci_controller *apc, -+ int where, int size, u32 value) - { -- void __iomem *base = ar71xx_pcicfg_base; -+ void __iomem *base = apc->cfg_base; - u32 ad_cbe; - - value = value << (8 * (where & 3)); -@@ -147,7 +162,8 @@ static inline int ar71xx_pci_set_cfgaddr - unsigned int devfn, - int where, int size, u32 cmd) - { -- void __iomem *base = ar71xx_pcicfg_base; -+ struct ar71xx_pci_controller *apc = pci_bus_to_ar71xx_controller(bus); -+ void __iomem *base = apc->cfg_base; - u32 addr; - - addr = ar71xx_pci_bus_addr(bus, devfn, where); -@@ -156,13 +172,14 @@ static inline int ar71xx_pci_set_cfgaddr - __raw_writel(cmd | ar71xx_pci_get_ble(where, size, 0), - base + AR71XX_PCI_REG_CFG_CBE); - -- return ar71xx_pci_check_error(1); -+ return ar71xx_pci_check_error(apc, 1); - } - - static int ar71xx_pci_read_config(struct pci_bus *bus, unsigned int devfn, - int where, int size, u32 *value) - { -- void __iomem *base = ar71xx_pcicfg_base; -+ struct ar71xx_pci_controller *apc = pci_bus_to_ar71xx_controller(bus); -+ void __iomem *base = apc->cfg_base; - unsigned long flags; - u32 data; - int err; -@@ -171,7 +188,7 @@ static int ar71xx_pci_read_config(struct - ret = PCIBIOS_SUCCESSFUL; - data = ~0; - -- spin_lock_irqsave(&ar71xx_pci_lock, flags); -+ spin_lock_irqsave(&apc->lock, flags); - - err = ar71xx_pci_set_cfgaddr(bus, devfn, where, size, - AR71XX_PCI_CFG_CMD_READ); -@@ -180,7 +197,7 @@ static int ar71xx_pci_read_config(struct - else - data = __raw_readl(base + AR71XX_PCI_REG_CFG_RDDATA); - -- spin_unlock_irqrestore(&ar71xx_pci_lock, flags); -+ spin_unlock_irqrestore(&apc->lock, flags); - - *value = (data >> (8 * (where & 3))) & ar71xx_pci_read_mask[size & 7]; - -@@ -190,7 +207,8 @@ static int ar71xx_pci_read_config(struct - static int ar71xx_pci_write_config(struct pci_bus *bus, unsigned int devfn, - int where, int size, u32 value) - { -- void __iomem *base = ar71xx_pcicfg_base; -+ struct ar71xx_pci_controller *apc = pci_bus_to_ar71xx_controller(bus); -+ void __iomem *base = apc->cfg_base; - unsigned long flags; - int err; - int ret; -@@ -198,7 +216,7 @@ static int ar71xx_pci_write_config(struc - value = value << (8 * (where & 3)); - ret = PCIBIOS_SUCCESSFUL; - -- spin_lock_irqsave(&ar71xx_pci_lock, flags); -+ spin_lock_irqsave(&apc->lock, flags); - - err = ar71xx_pci_set_cfgaddr(bus, devfn, where, size, - AR71XX_PCI_CFG_CMD_WRITE); -@@ -207,7 +225,7 @@ static int ar71xx_pci_write_config(struc - else - __raw_writel(value, base + AR71XX_PCI_REG_CFG_WRDATA); - -- spin_unlock_irqrestore(&ar71xx_pci_lock, flags); -+ spin_unlock_irqrestore(&apc->lock, flags); - - return ret; - } -@@ -231,12 +249,6 @@ static struct resource ar71xx_pci_mem_re - .flags = IORESOURCE_MEM - }; - --static struct pci_controller ar71xx_pci_controller = { -- .pci_ops = &ar71xx_pci_ops, -- .mem_resource = &ar71xx_pci_mem_resource, -- .io_resource = &ar71xx_pci_io_resource, --}; -- - static void ar71xx_pci_irq_handler(unsigned int irq, struct irq_desc *desc) - { - void __iomem *base = ath79_reset_base; -@@ -294,7 +306,7 @@ static struct irq_chip ar71xx_pci_irq_ch - .irq_mask_ack = ar71xx_pci_irq_mask, - }; - --static void ar71xx_pci_irq_init(int irq) -+static void ar71xx_pci_irq_init(struct ar71xx_pci_controller *apc) - { - void __iomem *base = ath79_reset_base; - int i; -@@ -309,7 +321,7 @@ static void ar71xx_pci_irq_init(int irq) - irq_set_chip_and_handler(i, &ar71xx_pci_irq_chip, - handle_level_irq); - -- irq_set_chained_handler(irq, ar71xx_pci_irq_handler); -+ irq_set_chained_handler(apc->irq, ar71xx_pci_irq_handler); - } - - static void ar71xx_pci_reset(void) -@@ -336,20 +348,26 @@ static void ar71xx_pci_reset(void) - - static int ar71xx_pci_probe(struct platform_device *pdev) - { -+ struct ar71xx_pci_controller *apc; - struct resource *res; -- int irq; - u32 t; - -+ apc = kzalloc(sizeof(struct ar71xx_pci_controller), GFP_KERNEL); -+ if (!apc) -+ return -ENOMEM; -+ -+ spin_lock_init(&apc->lock); -+ - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg_base"); - if (!res) - return -EINVAL; - -- ar71xx_pcicfg_base = devm_request_and_ioremap(&pdev->dev, res); -- if (!ar71xx_pcicfg_base) -+ apc->cfg_base = devm_request_and_ioremap(&pdev->dev, res); -+ if (!apc->cfg_base) - return -ENOMEM; - -- irq = platform_get_irq(pdev, 0); -- if (irq < 0) -+ apc->irq = platform_get_irq(pdev, 0); -+ if (apc->irq < 0) - return -EINVAL; - - ar71xx_pci_reset(); -@@ -357,14 +375,18 @@ static int ar71xx_pci_probe(struct platf - /* setup COMMAND register */ - t = PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE - | PCI_COMMAND_PARITY | PCI_COMMAND_SERR | PCI_COMMAND_FAST_BACK; -- ar71xx_pci_local_write(PCI_COMMAND, 4, t); -+ ar71xx_pci_local_write(apc, PCI_COMMAND, 4, t); - - /* clear bus errors */ -- ar71xx_pci_check_error(1); -+ ar71xx_pci_check_error(apc, 1); -+ -+ ar71xx_pci_irq_init(apc); - -- ar71xx_pci_irq_init(irq); -+ apc->pci_ctrl.pci_ops = &ar71xx_pci_ops; -+ apc->pci_ctrl.mem_resource = &ar71xx_pci_mem_resource; -+ apc->pci_ctrl.io_resource = &ar71xx_pci_io_resource; - -- register_pci_controller(&ar71xx_pci_controller); -+ register_pci_controller(&apc->pci_ctrl); - - return 0; - } diff --git a/target/linux/ar71xx/patches-3.8/154-MIPS-pci-ar71xx-remove-static-PCI-controller-resourc.patch b/target/linux/ar71xx/patches-3.8/154-MIPS-pci-ar71xx-remove-static-PCI-controller-resourc.patch deleted file mode 100644 index d17ad52520..0000000000 --- a/target/linux/ar71xx/patches-3.8/154-MIPS-pci-ar71xx-remove-static-PCI-controller-resourc.patch +++ /dev/null @@ -1,70 +0,0 @@ -From 7dc3ccb5dc972b06c41b309653d132beaaedeb37 Mon Sep 17 00:00:00 2001 -From: Gabor Juhos -Date: Mon, 25 Jun 2012 09:52:23 +0200 -Subject: [PATCH 15/34] MIPS: pci-ar71xx: remove static PCI controller resources - -Signed-off-by: Gabor Juhos ---- - arch/mips/pci/pci-ar71xx.c | 30 ++++++++++++++---------------- - 1 files changed, 14 insertions(+), 16 deletions(-) - ---- a/arch/mips/pci/pci-ar71xx.c -+++ b/arch/mips/pci/pci-ar71xx.c -@@ -54,6 +54,8 @@ struct ar71xx_pci_controller { - spinlock_t lock; - int irq; - struct pci_controller pci_ctrl; -+ struct resource io_res; -+ struct resource mem_res; - }; - - /* Byte lane enable bits */ -@@ -235,20 +237,6 @@ static struct pci_ops ar71xx_pci_ops = { - .write = ar71xx_pci_write_config, - }; - --static struct resource ar71xx_pci_io_resource = { -- .name = "PCI IO space", -- .start = 0, -- .end = 0, -- .flags = IORESOURCE_IO, --}; -- --static struct resource ar71xx_pci_mem_resource = { -- .name = "PCI memory space", -- .start = AR71XX_PCI_MEM_BASE, -- .end = AR71XX_PCI_MEM_BASE + AR71XX_PCI_MEM_SIZE - 1, -- .flags = IORESOURCE_MEM --}; -- - static void ar71xx_pci_irq_handler(unsigned int irq, struct irq_desc *desc) - { - void __iomem *base = ath79_reset_base; -@@ -370,6 +358,16 @@ static int ar71xx_pci_probe(struct platf - if (apc->irq < 0) - return -EINVAL; - -+ apc->io_res.name = "PCI IO space"; -+ apc->io_res.start = 0; -+ apc->io_res.end = 0; -+ apc->io_res.flags = IORESOURCE_IO; -+ -+ apc->mem_res.name = "PCI memory space"; -+ apc->mem_res.start = AR71XX_PCI_MEM_BASE; -+ apc->mem_res.end = AR71XX_PCI_MEM_BASE + AR71XX_PCI_MEM_SIZE - 1; -+ apc->mem_res.flags = IORESOURCE_MEM; -+ - ar71xx_pci_reset(); - - /* setup COMMAND register */ -@@ -383,8 +381,8 @@ static int ar71xx_pci_probe(struct platf - ar71xx_pci_irq_init(apc); - - apc->pci_ctrl.pci_ops = &ar71xx_pci_ops; -- apc->pci_ctrl.mem_resource = &ar71xx_pci_mem_resource; -- apc->pci_ctrl.io_resource = &ar71xx_pci_io_resource; -+ apc->pci_ctrl.mem_resource = &apc->mem_res; -+ apc->pci_ctrl.io_resource = &apc->io_res; - - register_pci_controller(&apc->pci_ctrl); - diff --git a/target/linux/ar71xx/patches-3.8/169-MIPS-ath79-allow-to-specify-bus-number-in-PCI-IRQ-ma.patch b/target/linux/ar71xx/patches-3.8/169-MIPS-ath79-allow-to-specify-bus-number-in-PCI-IRQ-ma.patch deleted file mode 100644 index bd95d718b2..0000000000 --- a/target/linux/ar71xx/patches-3.8/169-MIPS-ath79-allow-to-specify-bus-number-in-PCI-IRQ-ma.patch +++ /dev/null @@ -1,34 +0,0 @@ -From 12c68e4fccadc22a0470177141a57892a76e4a2b Mon Sep 17 00:00:00 2001 -From: Gabor Juhos -Date: Sun, 24 Jun 2012 15:33:16 +0200 -Subject: [PATCH 25/34] MIPS: ath79: allow to specify bus number in PCI IRQ maps - -Signed-off-by: Gabor Juhos ---- - arch/mips/ath79/pci.c | 4 +++- - arch/mips/ath79/pci.h | 1 + - 2 files changed, 4 insertions(+), 1 deletions(-) - ---- a/arch/mips/ath79/pci.c -+++ b/arch/mips/ath79/pci.c -@@ -75,7 +75,9 @@ int __init pcibios_map_irq(const struct - const struct ath79_pci_irq *entry; - - entry = &ath79_pci_irq_map[i]; -- if (entry->slot == slot && entry->pin == pin) { -+ if (entry->bus == dev->bus->number && -+ entry->slot == slot && -+ entry->pin == pin) { - irq = entry->irq; - break; - } ---- a/arch/mips/ath79/pci.h -+++ b/arch/mips/ath79/pci.h -@@ -14,6 +14,7 @@ - #define _ATH79_PCI_H - - struct ath79_pci_irq { -+ int bus; - u8 slot; - u8 pin; - int irq; diff --git a/target/linux/ar71xx/patches-3.8/170-MIPS-ath79-add-PCI-controller-registration-code-for-.patch b/target/linux/ar71xx/patches-3.8/170-MIPS-ath79-add-PCI-controller-registration-code-for-.patch index 0c3889fdb9..b94daf1e5c 100644 --- a/target/linux/ar71xx/patches-3.8/170-MIPS-ath79-add-PCI-controller-registration-code-for-.patch +++ b/target/linux/ar71xx/patches-3.8/170-MIPS-ath79-add-PCI-controller-registration-code-for-.patch @@ -54,7 +54,7 @@ Subject: [PATCH 26/34] MIPS: ath79: add PCI controller registration code for the } else { pr_crit("pci %s: invalid irq map\n", pci_name((struct pci_dev *) dev)); -@@ -215,6 +233,24 @@ int __init ath79_register_pci(void) +@@ -225,6 +243,24 @@ int __init ath79_register_pci(void) AR724X_PCI_MEM_SIZE, 0, ATH79_IP2_IRQ(0)); diff --git a/target/linux/ar71xx/patches-3.8/470-MIPS-ath79-swizzle-pci-address-for-ar71xx.patch b/target/linux/ar71xx/patches-3.8/470-MIPS-ath79-swizzle-pci-address-for-ar71xx.patch index 7912384d39..520c652059 100644 --- a/target/linux/ar71xx/patches-3.8/470-MIPS-ath79-swizzle-pci-address-for-ar71xx.patch +++ b/target/linux/ar71xx/patches-3.8/470-MIPS-ath79-swizzle-pci-address-for-ar71xx.patch @@ -58,7 +58,7 @@ static const struct ath79_pci_irq ar71xx_pci_irq_map[] __initconst = { { .slot = 17, -@@ -202,12 +206,50 @@ ath79_register_pci_ar724x(int id, +@@ -212,12 +216,50 @@ ath79_register_pci_ar724x(int id, return pdev; }