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| author | Tom Rini <trini@konsulko.com> | 2018-06-13 11:43:59 -0400 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-06-13 11:43:59 -0400 |
| commit | 66398944f53921ec641e1c2202390933767dbb87 (patch) | |
| tree | e68f31898efc1f8963bcd37cb6703a61a9c5f76f /arch/x86/cpu/quark/quark.c | |
| parent | acaee30608ce203289a180d664b7f0abb2e64ee7 (diff) | |
| parent | bee053e248e93d82e5c352708f8c892f4a488c54 (diff) | |
| download | u-boot-66398944f53921ec641e1c2202390933767dbb87.zip u-boot-66398944f53921ec641e1c2202390933767dbb87.tar.gz u-boot-66398944f53921ec641e1c2202390933767dbb87.tar.bz2 | |
Merge git://git.denx.de/u-boot-x86
Diffstat (limited to 'arch/x86/cpu/quark/quark.c')
| -rw-r--r-- | arch/x86/cpu/quark/quark.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/x86/cpu/quark/quark.c b/arch/x86/cpu/quark/quark.c index 46141c4..4fd6864 100644 --- a/arch/x86/cpu/quark/quark.c +++ b/arch/x86/cpu/quark/quark.c @@ -7,6 +7,7 @@ #include <mmc.h> #include <asm/io.h> #include <asm/ioapic.h> +#include <asm/irq.h> #include <asm/mrccache.h> #include <asm/mtrr.h> #include <asm/pci.h> @@ -313,12 +314,37 @@ static void quark_usb_init(void) writel((0xf << 16) | 0xf, bar + USBD_EP_INT_STS); } +static void quark_irq_init(void) +{ + struct quark_rcba *rcba; + u32 base; + + qrk_pci_read_config_dword(QUARK_LEGACY_BRIDGE, LB_RCBA, &base); + base &= ~MEM_BAR_EN; + rcba = (struct quark_rcba *)base; + + /* + * Route Quark PCI device interrupt pin to PIRQ + * + * Route device#23's INTA/B/C/D to PIRQA/B/C/D + * Route device#20,21's INTA/B/C/D to PIRQE/F/G/H + */ + writew(PIRQC, &rcba->rmu_ir); + writew(PIRQA | (PIRQB << 4) | (PIRQC << 8) | (PIRQD << 12), + &rcba->d23_ir); + writew(PIRQD, &rcba->core_ir); + writew(PIRQE | (PIRQF << 4) | (PIRQG << 8) | (PIRQH << 12), + &rcba->d20d21_ir); +} + int arch_early_init_r(void) { quark_pcie_init(); quark_usb_init(); + quark_irq_init(); + return 0; } |