mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-15 07:43:07 +00:00
248c4faa9f
Now that we have irq router's udevice passed as a parameter, it's time to start using the DM PCI API instead of those legacy ones. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org> Tested-by: Simon Glass <sjg@chromium.org>
65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
/*
|
|
* Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
|
|
* Copyright (C) 2015 Google, Inc
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <dm.h>
|
|
#include <asm/io.h>
|
|
#include <asm/irq.h>
|
|
#include <asm/pci.h>
|
|
#include <asm/arch/device.h>
|
|
#include <asm/arch/tnc.h>
|
|
|
|
int queensbay_irq_router_probe(struct udevice *dev)
|
|
{
|
|
struct tnc_rcba *rcba;
|
|
u32 base;
|
|
|
|
dm_pci_read_config32(dev->parent, LPC_RCBA, &base);
|
|
base &= ~MEM_BAR_EN;
|
|
rcba = (struct tnc_rcba *)base;
|
|
|
|
/* Make sure all internal PCI devices are using INTA */
|
|
writel(INTA, &rcba->d02ip);
|
|
writel(INTA, &rcba->d03ip);
|
|
writel(INTA, &rcba->d27ip);
|
|
writel(INTA, &rcba->d31ip);
|
|
writel(INTA, &rcba->d23ip);
|
|
writel(INTA, &rcba->d24ip);
|
|
writel(INTA, &rcba->d25ip);
|
|
writel(INTA, &rcba->d26ip);
|
|
|
|
/*
|
|
* Route TunnelCreek PCI device interrupt pin to PIRQ
|
|
*
|
|
* Since PCIe downstream ports received INTx are routed to PIRQ
|
|
* A/B/C/D directly and not configurable, we have to route PCIe
|
|
* root ports' INTx to PIRQ A/B/C/D as well. For other devices
|
|
* on TunneCreek, route them to PIRQ E/F/G/H.
|
|
*/
|
|
writew(PIRQE, &rcba->d02ir);
|
|
writew(PIRQF, &rcba->d03ir);
|
|
writew(PIRQG, &rcba->d27ir);
|
|
writew(PIRQH, &rcba->d31ir);
|
|
writew(PIRQA, &rcba->d23ir);
|
|
writew(PIRQB, &rcba->d24ir);
|
|
writew(PIRQC, &rcba->d25ir);
|
|
writew(PIRQD, &rcba->d26ir);
|
|
|
|
return irq_router_common_init(dev);
|
|
}
|
|
|
|
static const struct udevice_id queensbay_irq_router_ids[] = {
|
|
{ .compatible = "intel,queensbay-irq-router" },
|
|
{ }
|
|
};
|
|
|
|
U_BOOT_DRIVER(queensbay_irq_router_drv) = {
|
|
.name = "queensbay_intel_irq",
|
|
.id = UCLASS_IRQ,
|
|
.of_match = queensbay_irq_router_ids,
|
|
.probe = queensbay_irq_router_probe,
|
|
};
|