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MIPS: ath79: add PCI controller registration code for the QCA955X SoCs 

Add SoC specific PCI IRQ map, and register platform
devices for the two built-in PCIe RCs.

Cc: Rodriguez, Luis <rodrigue@qca.qualcomm.com>
Cc: Giori, Kathy <kgiori@qca.qualcomm.com>
Cc: QCA Linux Team <qca-linux-team@qca.qualcomm.com>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4951/
Signed-off-by: John Crispin <blogic@openwrt.org>
This commit is contained in:
Gabor Juhos 2013-02-15 13:38:23 +00:00 committed by John Crispin
parent e9c0d0aaa3
commit 0a5f3b1c9f
3 changed files with 51 additions and 0 deletions
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2
arch/mips/ath79/Kconfig
View File

@ -90,6 +90,8 @@ config SOC_AR934X
config SOC_QCA955X
select USB_ARCH_HAS_EHCI
select HW_HAS_PCI
select PCI_AR724X if PCI
def_bool n
config PCI_AR724X

36
arch/mips/ath79/pci.c
View File

@ -49,6 +49,21 @@ static const struct ath79_pci_irq ar724x_pci_irq_map[] __initconst = {
}
};
static const struct ath79_pci_irq qca955x_pci_irq_map[] __initconst = {
{
.bus = 0,
.slot = 0,
.pin = 1,
.irq = ATH79_PCI_IRQ(0),
},
{
.bus = 1,
.slot = 0,
.pin = 1,
.irq = ATH79_PCI_IRQ(1),
},
};
int __init pcibios_map_irq(const struct pci_dev *dev, uint8_t slot, uint8_t pin)
{
int irq = -1;
@ -64,6 +79,9 @@ int __init pcibios_map_irq(const struct pci_dev *dev, uint8_t slot, uint8_t pin)
soc_is_ar9344()) {
ath79_pci_irq_map = ar724x_pci_irq_map;
ath79_pci_nr_irqs = ARRAY_SIZE(ar724x_pci_irq_map);
} else if (soc_is_qca955x()) {
ath79_pci_irq_map = qca955x_pci_irq_map;
ath79_pci_nr_irqs = ARRAY_SIZE(qca955x_pci_irq_map);
} else {
pr_crit("pci %s: invalid irq map\n",
pci_name((struct pci_dev *) dev));
@ -225,6 +243,24 @@ int __init ath79_register_pci(void)
AR724X_PCI_MEM_SIZE,
0,
ATH79_IP2_IRQ(0));
} else if (soc_is_qca9558()) {
pdev = ath79_register_pci_ar724x(0,
QCA955X_PCI_CFG_BASE0,
QCA955X_PCI_CTRL_BASE0,
QCA955X_PCI_CRP_BASE0,
QCA955X_PCI_MEM_BASE0,
QCA955X_PCI_MEM_SIZE,
0,
ATH79_IP2_IRQ(0));
pdev = ath79_register_pci_ar724x(1,
QCA955X_PCI_CFG_BASE1,
QCA955X_PCI_CTRL_BASE1,
QCA955X_PCI_CRP_BASE1,
QCA955X_PCI_MEM_BASE1,
QCA955X_PCI_MEM_SIZE,
1,
ATH79_IP3_IRQ(2));
} else {
/* No PCI support */
return -ENODEV;

13
arch/mips/include/asm/mach-ath79/ar71xx_regs.h
View File

@ -94,6 +94,19 @@
#define AR934X_SRIF_BASE (AR71XX_APB_BASE + 0x00116000)
#define AR934X_SRIF_SIZE 0x1000
#define QCA955X_PCI_MEM_BASE0 0x10000000
#define QCA955X_PCI_MEM_BASE1 0x12000000
#define QCA955X_PCI_MEM_SIZE 0x02000000
#define QCA955X_PCI_CFG_BASE0 0x14000000
#define QCA955X_PCI_CFG_BASE1 0x16000000
#define QCA955X_PCI_CFG_SIZE 0x1000
#define QCA955X_PCI_CRP_BASE0 (AR71XX_APB_BASE + 0x000c0000)
#define QCA955X_PCI_CRP_BASE1 (AR71XX_APB_BASE + 0x00250000)
#define QCA955X_PCI_CRP_SIZE 0x1000
#define QCA955X_PCI_CTRL_BASE0 (AR71XX_APB_BASE + 0x000f0000)
#define QCA955X_PCI_CTRL_BASE1 (AR71XX_APB_BASE + 0x00280000)
#define QCA955X_PCI_CTRL_SIZE 0x100
#define QCA955X_WMAC_BASE (AR71XX_APB_BASE + 0x00100000)
#define QCA955X_WMAC_SIZE 0x20000