diff options
Diffstat (limited to 'arch/mips/netlogic/xlp')
| -rw-r--r-- | arch/mips/netlogic/xlp/nlm_hal.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/arch/mips/netlogic/xlp/nlm_hal.c b/arch/mips/netlogic/xlp/nlm_hal.c index 22e2e028fbe..04adb75850f 100644 --- a/arch/mips/netlogic/xlp/nlm_hal.c +++ b/arch/mips/netlogic/xlp/nlm_hal.c @@ -93,11 +93,14 @@ int nlm_irq_to_irt(int irq) case PIC_MMC_IRQ: devoff = XLP_IO_SD_OFFSET(0); break; - case PIC_I2C_0_IRQ: - devoff = XLP_IO_I2C0_OFFSET(0); - break; + case PIC_I2C_0_IRQ: /* I2C will be fixed up */ case PIC_I2C_1_IRQ: - devoff = XLP_IO_I2C1_OFFSET(0); + case PIC_I2C_2_IRQ: + case PIC_I2C_3_IRQ: + if (cpu_is_xlpii()) + devoff = XLP2XX_IO_I2C_OFFSET(0); + else + devoff = XLP_IO_I2C0_OFFSET(0); break; default: devoff = 0; @@ -107,9 +110,15 @@ int nlm_irq_to_irt(int irq) if (devoff != 0) { pcibase = nlm_pcicfg_base(devoff); irt = nlm_read_reg(pcibase, XLP_PCI_IRTINFO_REG) & 0xffff; - /* HW bug, I2C 1 irt entry is off by one */ - if (irq == PIC_I2C_1_IRQ) - irt = irt + 1; + /* HW weirdness, I2C IRT entry has to be fixed up */ + switch (irq) { + case PIC_I2C_1_IRQ: + irt = irt + 1; break; + case PIC_I2C_2_IRQ: + irt = irt + 2; break; + case PIC_I2C_3_IRQ: + irt = irt + 3; break; + } } else if (irq >= PIC_PCIE_LINK_0_IRQ && irq <= PIC_PCIE_LINK_3_IRQ) { /* HW bug, PCI IRT entries are bad on early silicon, fix */ irt = PIC_IRT_PCIE_LINK_INDEX(irq - PIC_PCIE_LINK_0_IRQ); |