diff options
Diffstat (limited to 'target/linux/ar71xx/patches-3.3/146-MIPS-ath79-register-platform-devices-for-the-PCI-con.patch')
| -rw-r--r-- | target/linux/ar71xx/patches-3.3/146-MIPS-ath79-register-platform-devices-for-the-PCI-con.patch | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-3.3/146-MIPS-ath79-register-platform-devices-for-the-PCI-con.patch b/target/linux/ar71xx/patches-3.3/146-MIPS-ath79-register-platform-devices-for-the-PCI-con.patch new file mode 100644 index 000000000..cc2572f88 --- /dev/null +++ b/target/linux/ar71xx/patches-3.3/146-MIPS-ath79-register-platform-devices-for-the-PCI-con.patch @@ -0,0 +1,119 @@ +From 2fdf8dcff3ffaa806e9f9d7f1c1bd876222cff4d Mon Sep 17 00:00:00 2001 +From: Gabor Juhos <juhosg@openwrt.org> +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 <juhosg@openwrt.org> +--- + 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 <linux/init.h> + #include <linux/pci.h> ++#include <linux/resource.h> ++#include <linux/platform_device.h> + #include <asm/mach-ath79/ar71xx_regs.h> + #include <asm/mach-ath79/ath79.h> + #include <asm/mach-ath79/irq.h> +@@ -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; + } |