diff options
| author | Angel Pons <th3fanbus@gmail.com> | 2020-07-25 14:03:40 +0200 |
|---|---|---|
| committer | Angel Pons <th3fanbus@gmail.com> | 2020-07-28 08:52:37 +0000 |
| commit | 9f78127b61632cbb138bdbfa650c2e9965440d3b (patch) | |
| tree | b0f146a3725bcd86b83242b9abb465bd27829681 /src/southbridge/intel/lynxpoint | |
| parent | 172bcc835f0d214444398c57a0ca9eddd2941ecf (diff) | |
lynxpoint: Factor out PIRQ routing from devicetree
All boards disable PIRQs. They aren't used on modern OSes anyway.
Change-Id: I1351fd4a3910e8cf2e9afe51dc2e82c7464de403
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43863
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Diffstat (limited to 'src/southbridge/intel/lynxpoint')
| -rw-r--r-- | src/southbridge/intel/lynxpoint/chip.h | 13 | ||||
| -rw-r--r-- | src/southbridge/intel/lynxpoint/lpc.c | 30 |
2 files changed, 16 insertions, 27 deletions
diff --git a/src/southbridge/intel/lynxpoint/chip.h b/src/southbridge/intel/lynxpoint/chip.h index ed362a2d65..cba7671ecc 100644 --- a/src/southbridge/intel/lynxpoint/chip.h +++ b/src/southbridge/intel/lynxpoint/chip.h @@ -7,19 +7,6 @@ struct southbridge_intel_lynxpoint_config { /** - * Interrupt Routing configuration - * If bit7 is 1, the interrupt is disabled. - */ - uint8_t pirqa_routing; - uint8_t pirqb_routing; - uint8_t pirqc_routing; - uint8_t pirqd_routing; - uint8_t pirqe_routing; - uint8_t pirqf_routing; - uint8_t pirqg_routing; - uint8_t pirqh_routing; - - /** * GPI Routing configuration for LynxPoint-H * * Only the lower two bits have a meaning: diff --git a/src/southbridge/intel/lynxpoint/lpc.c b/src/southbridge/intel/lynxpoint/lpc.c index 7082a79d31..898d6f0986 100644 --- a/src/southbridge/intel/lynxpoint/lpc.c +++ b/src/southbridge/intel/lynxpoint/lpc.c @@ -96,18 +96,18 @@ static void pch_enable_serial_irqs(struct device *dev) static void pch_pirq_init(struct device *dev) { struct device *irq_dev; - /* Get the chip configuration */ - config_t *config = dev->chip_info; - pci_write_config8(dev, PIRQA_ROUT, config->pirqa_routing); - pci_write_config8(dev, PIRQB_ROUT, config->pirqb_routing); - pci_write_config8(dev, PIRQC_ROUT, config->pirqc_routing); - pci_write_config8(dev, PIRQD_ROUT, config->pirqd_routing); + const uint8_t pirq = 0x80; + + pci_write_config8(dev, PIRQA_ROUT, pirq); + pci_write_config8(dev, PIRQB_ROUT, pirq); + pci_write_config8(dev, PIRQC_ROUT, pirq); + pci_write_config8(dev, PIRQD_ROUT, pirq); - pci_write_config8(dev, PIRQE_ROUT, config->pirqe_routing); - pci_write_config8(dev, PIRQF_ROUT, config->pirqf_routing); - pci_write_config8(dev, PIRQG_ROUT, config->pirqg_routing); - pci_write_config8(dev, PIRQH_ROUT, config->pirqh_routing); + pci_write_config8(dev, PIRQE_ROUT, pirq); + pci_write_config8(dev, PIRQF_ROUT, pirq); + pci_write_config8(dev, PIRQG_ROUT, pirq); + pci_write_config8(dev, PIRQH_ROUT, pirq); /* Eric Biederman once said we should let the OS do this. * I am not so sure anymore he was right. @@ -122,10 +122,12 @@ static void pch_pirq_init(struct device *dev) int_pin = pci_read_config8(irq_dev, PCI_INTERRUPT_PIN); switch (int_pin) { - case 1: /* INTA# */ int_line = config->pirqa_routing; break; - case 2: /* INTB# */ int_line = config->pirqb_routing; break; - case 3: /* INTC# */ int_line = config->pirqc_routing; break; - case 4: /* INTD# */ int_line = config->pirqd_routing; break; + case 1: /* INTA# */ + case 2: /* INTB# */ + case 3: /* INTC# */ + case 4: /* INTD# */ + int_line = pirq; + break; } if (!int_line) |