summaryrefslogtreecommitdiffstats
path: root/target/linux/ar71xx/patches-3.8/146-MIPS-ath79-register-platform-devices-for-the-PCI-con.patch
diff options
context:
space:
mode:
authorjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2013-02-21 17:47:15 +0000
committerjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2013-02-21 17:47:15 +0000
commit14ba941bf14ddb1d6b66a7fdbb583bb000c726c5 (patch)
treeb66e38d9adb7fc703bd859d53128f1466017e3c6 /target/linux/ar71xx/patches-3.8/146-MIPS-ath79-register-platform-devices-for-the-PCI-con.patch
parent14d8e68c1c33b29b1ee996b183684b4e3b471d2b (diff)
ar71xx: add support for 3.8
Signed-off-by: Gabor Juhos <juhosg@openwrt.org> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35728 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ar71xx/patches-3.8/146-MIPS-ath79-register-platform-devices-for-the-PCI-con.patch')
-rw-r--r--target/linux/ar71xx/patches-3.8/146-MIPS-ath79-register-platform-devices-for-the-PCI-con.patch119
1 files changed, 119 insertions, 0 deletions
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
new file mode 100644
index 000000000..cc2572f88
--- /dev/null
+++ b/target/linux/ar71xx/patches-3.8/146-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;
+ }