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33ec8951f8
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30410 3c298f89-4303-0410-b956-a3cf2f4a3e73
59 lines
1.7 KiB
Diff
59 lines
1.7 KiB
Diff
From e30d942814a606c5258c7adafc6bbb49836573e9 Mon Sep 17 00:00:00 2001
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From: Gabor Juhos <juhosg@openwrt.org>
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Date: Sat, 17 Dec 2011 10:13:08 +0100
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Subject: [PATCH 33/35] MIPS: ath79: add PCI registration code for AR934X
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Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
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Acked-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
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---
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arch/mips/ath79/Kconfig | 2 ++
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arch/mips/ath79/pci.c | 13 ++++++++++++-
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2 files changed, 14 insertions(+), 1 deletions(-)
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--- a/arch/mips/ath79/Kconfig
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+++ b/arch/mips/ath79/Kconfig
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@@ -72,6 +72,8 @@ config SOC_AR933X
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config SOC_AR934X
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select USB_ARCH_HAS_EHCI
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+ select HW_HAS_PCI
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+ select PCI_AR724X if PCI
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def_bool n
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config PCI_AR724X
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--- a/arch/mips/ath79/pci.c
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+++ b/arch/mips/ath79/pci.c
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@@ -14,6 +14,7 @@
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#include <linux/init.h>
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#include <linux/pci.h>
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+#include <asm/mach-ath79/ar71xx_regs.h>
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#include <asm/mach-ath79/ath79.h>
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#include <asm/mach-ath79/irq.h>
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#include <asm/mach-ath79/pci.h>
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@@ -57,7 +58,9 @@ int __init pcibios_map_irq(const struct
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if (soc_is_ar71xx()) {
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ath79_pci_irq_map = ar71xx_pci_irq_map;
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ath79_pci_nr_irqs = ARRAY_SIZE(ar71xx_pci_irq_map);
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- } else if (soc_is_ar724x()) {
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+ } else if (soc_is_ar724x() ||
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+ soc_is_ar9342() ||
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+ soc_is_ar9344()) {
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ath79_pci_irq_map = ar724x_pci_irq_map;
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ath79_pci_nr_irqs = ARRAY_SIZE(ar724x_pci_irq_map);
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} else {
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@@ -115,5 +118,13 @@ int __init ath79_register_pci(void)
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if (soc_is_ar724x())
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return ar724x_pcibios_init(ATH79_CPU_IRQ_IP2);
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+ if (soc_is_ar9342() || soc_is_ar9344()) {
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+ u32 bootstrap;
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+
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+ bootstrap = ath79_reset_rr(AR934X_RESET_REG_BOOTSTRAP);
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+ if (bootstrap & AR934X_BOOTSTRAP_PCIE_RC)
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+ return ar724x_pcibios_init(ATH79_IP2_IRQ(0));
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+ }
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+
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return -ENODEV;
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}
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