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authorGabor Juhos <juhosg@openwrt.org>2012-03-14 10:45:30 +0100
committerRalf Baechle <ralf@linux-mips.org>2012-05-15 17:49:11 +0200
commitec9502599cd837c8e4e279585817d1ffb1249126 (patch)
treec650946f4508c942cdb03f12a0f9949509199d46 /arch/mips
parent67644c547fef2739f49c80e5eb1ace82f3e916e2 (diff)
MIPS: ath79: add PCI registration code for AR934X
Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Acked-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com> Cc: linux-mips@linux-mips.org Cc: mcgrof@infradead.org Patchwork: https://patchwork.linux-mips.org/patch/3516/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
-rw-r--r--arch/mips/ath79/Kconfig2
-rw-r--r--arch/mips/ath79/pci.c13
2 files changed, 14 insertions, 1 deletions
diff --git a/arch/mips/ath79/Kconfig b/arch/mips/ath79/Kconfig
index 123cc3773b49..ea28e89d0a3c 100644
--- a/arch/mips/ath79/Kconfig
+++ b/arch/mips/ath79/Kconfig
@@ -72,6 +72,8 @@ config SOC_AR933X
config SOC_AR934X
select USB_ARCH_HAS_EHCI
+ select HW_HAS_PCI
+ select PCI_AR724X if PCI
def_bool n
config PCI_AR724X
diff --git a/arch/mips/ath79/pci.c b/arch/mips/ath79/pci.c
index bc40070e45c9..ca83abd9d31e 100644
--- a/arch/mips/ath79/pci.c
+++ b/arch/mips/ath79/pci.c
@@ -14,6 +14,7 @@
#include <linux/init.h>
#include <linux/pci.h>
+#include <asm/mach-ath79/ar71xx_regs.h>
#include <asm/mach-ath79/ath79.h>
#include <asm/mach-ath79/irq.h>
#include <asm/mach-ath79/pci.h>
@@ -57,7 +58,9 @@ int __init pcibios_map_irq(const struct pci_dev *dev, uint8_t slot, uint8_t pin)
if (soc_is_ar71xx()) {
ath79_pci_irq_map = ar71xx_pci_irq_map;
ath79_pci_nr_irqs = ARRAY_SIZE(ar71xx_pci_irq_map);
- } else if (soc_is_ar724x()) {
+ } else if (soc_is_ar724x() ||
+ soc_is_ar9342() ||
+ soc_is_ar9344()) {
ath79_pci_irq_map = ar724x_pci_irq_map;
ath79_pci_nr_irqs = ARRAY_SIZE(ar724x_pci_irq_map);
} else {
@@ -115,5 +118,13 @@ int __init ath79_register_pci(void)
if (soc_is_ar724x())
return ar724x_pcibios_init(ATH79_CPU_IRQ_IP2);
+ 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));
+ }
+
return -ENODEV;
}