diff options
Diffstat (limited to 'arch/x86/cpu/queensbay')
| -rw-r--r-- | arch/x86/cpu/queensbay/Makefile | 2 | ||||
| -rw-r--r-- | arch/x86/cpu/queensbay/irq.c | 64 | ||||
| -rw-r--r-- | arch/x86/cpu/queensbay/tnc.c | 39 |
3 files changed, 40 insertions, 65 deletions
diff --git a/arch/x86/cpu/queensbay/Makefile b/arch/x86/cpu/queensbay/Makefile index b535b2a..ac29613 100644 --- a/arch/x86/cpu/queensbay/Makefile +++ b/arch/x86/cpu/queensbay/Makefile @@ -2,5 +2,5 @@ # # Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com> -obj-y += fsp_configs.o irq.o +obj-y += fsp_configs.o obj-y += tnc.o diff --git a/arch/x86/cpu/queensbay/irq.c b/arch/x86/cpu/queensbay/irq.c deleted file mode 100644 index 208cd61..0000000 --- a/arch/x86/cpu/queensbay/irq.c +++ /dev/null @@ -1,64 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com> - * Copyright (C) 2015 Google, Inc - */ - -#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, -}; diff --git a/arch/x86/cpu/queensbay/tnc.c b/arch/x86/cpu/queensbay/tnc.c index 439c14d..76556fc 100644 --- a/arch/x86/cpu/queensbay/tnc.c +++ b/arch/x86/cpu/queensbay/tnc.c @@ -98,6 +98,43 @@ int arch_cpu_init(void) return x86_cpu_init_f(); } +static void tnc_irq_init(void) +{ + struct tnc_rcba *rcba; + u32 base; + + pci_read_config32(TNC_LPC, 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); +} + int arch_early_init_r(void) { int ret = 0; @@ -106,5 +143,7 @@ int arch_early_init_r(void) ret = disable_igd(); #endif + tnc_irq_init(); + return ret; } |