diff options
| author | Patrick Georgi <patrick.georgi@secunet.com> | 2011-01-27 07:39:38 +0000 |
|---|---|---|
| committer | Patrick Georgi <patrick.georgi@coresystems.de> | 2011-01-27 07:39:38 +0000 |
| commit | a470019b7a19e164b5dc93b1d541dc4158edbeda (patch) | |
| tree | 48156b3fb7f795cbe3241f787b642460aa03a29d /src/mainboard/getac | |
| parent | a5c949eff288af3eb4caffec57a3724c497150de (diff) | |
Add a new CMOS variable which triggers activation of the
LPT port. With the CMOS variable set, LPT is found by SeaBIOS,
with the variable reset, it's not.
Signed-off-by: Patrick Georgi <patrick.georgi@secunet.com>
Acked-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6302 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/mainboard/getac')
| -rw-r--r-- | src/mainboard/getac/p470/cmos.layout | 3 | ||||
| -rw-r--r-- | src/mainboard/getac/p470/devicetree.cb | 4 | ||||
| -rw-r--r-- | src/mainboard/getac/p470/romstage.c | 7 |
3 files changed, 11 insertions, 3 deletions
diff --git a/src/mainboard/getac/p470/cmos.layout b/src/mainboard/getac/p470/cmos.layout index f86e479df5..130f1cefc6 100644 --- a/src/mainboard/getac/p470/cmos.layout +++ b/src/mainboard/getac/p470/cmos.layout @@ -93,7 +93,8 @@ entries 416 512 s 0 boot_devices 928 8 h 0 boot_default 936 1 e 8 cmos_defaults_loaded -#937 47 r 0 unused +937 1 e 1 lpt +#938 46 r 0 unused # coreboot config options: check sums 984 16 h 0 check_sum diff --git a/src/mainboard/getac/p470/devicetree.cb b/src/mainboard/getac/p470/devicetree.cb index 26939772ad..2929cbee5b 100644 --- a/src/mainboard/getac/p470/devicetree.cb +++ b/src/mainboard/getac/p470/devicetree.cb @@ -86,7 +86,9 @@ chip northbridge/intel/i945 device pnp 2e.1 off # ACPI PM end # 2e.2 does not exist - device pnp 2e.3 off # Parallel port + device pnp 2e.3 on # Parallel port + io 0x60 = 0x378 + irq 0x70 = 5 end device pnp 2e.4 on # COM1 io 0x60 = 0x3f8 diff --git a/src/mainboard/getac/p470/romstage.c b/src/mainboard/getac/p470/romstage.c index ac71a6b256..270a7bd578 100644 --- a/src/mainboard/getac/p470/romstage.c +++ b/src/mainboard/getac/p470/romstage.c @@ -34,6 +34,7 @@ #include "northbridge/intel/i945/i945.h" #include "northbridge/intel/i945/raminit.h" #include "southbridge/intel/i82801gx/i82801gx.h" +#include "option_table.h" void setup_ich7_gpios(void) { @@ -81,12 +82,16 @@ void setup_ich7_gpios(void) static void ich7_enable_lpc(void) { + int lpt_en = 0; + if (read_option(CMOS_VSTART_lpt, CMOS_VLEN_lpt, 0) != 0) { + lpt_en = 1<<2; // enable LPT + } // Enable Serial IRQ pci_write_config8(PCI_DEV(0, 0x1f, 0), 0x64, 0xd0); // decode range pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x80, 0x0007); // decode range - pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x82, 0x3f0f); + pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x82, 0x3f0b | lpt_en); // Enable 0x02e0 - 0x2ff pci_write_config32(PCI_DEV(0, 0x1f, 0), 0x84, 0x001c02e1); // Enable 0x600 - 0x6ff |