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| author | Florian Zumbiehl <florz@florz.de> | 2011-11-01 20:19:37 +0100 |
|---|---|---|
| committer | Rudolf Marek <r.marek@assembler.cz> | 2011-12-02 23:25:58 +0100 |
| commit | b5320573c3a511723b75f93a22a19a0faf8ac4a7 (patch) | |
| tree | 47bd0f59ed8d236c63f6e944a712f0c28b43b343 | |
| parent | 98236ca7844ec36bf1e43a9d689b55fa409f0a4a (diff) | |
| download | coreboot-b5320573c3a511723b75f93a22a19a0faf8ac4a7.tar.xz | |
make GPIOs and misc configurable via devicetree
Change-Id: I9f70da76b5ea451f28a1ad9252c5d879fc4fe315
Signed-off-by: Florian Zumbiehl <florz@florz.de>
Reviewed-on: http://review.coreboot.org/387
Tested-by: build bot (Jenkins)
Reviewed-by: Rudolf Marek <r.marek@assembler.cz>
| -rw-r--r-- | src/southbridge/via/vt8237r/chip.h | 5 | ||||
| -rw-r--r-- | src/southbridge/via/vt8237r/lpc.c | 30 |
2 files changed, 32 insertions, 3 deletions
diff --git a/src/southbridge/via/vt8237r/chip.h b/src/southbridge/via/vt8237r/chip.h index bbba5e4d85..510854716a 100644 --- a/src/southbridge/via/vt8237r/chip.h +++ b/src/southbridge/via/vt8237r/chip.h @@ -71,6 +71,11 @@ struct southbridge_via_vt8237r_config { u8 usb2_dpll_delay; u8 int_efgh_as_gpio; + u8 enable_gpo3; + u8 disable_gpo26_gpo27; + u8 enable_aol_2_smb_slave; + u8 enable_gpo5; + u8 gpio15_12_dir_output; }; #endif /* SOUTHBRIDGE_VIA_VT8237R_CHIP_H */ diff --git a/src/southbridge/via/vt8237r/lpc.c b/src/southbridge/via/vt8237r/lpc.c index 43a9394bfa..cd1064fade 100644 --- a/src/southbridge/via/vt8237r/lpc.c +++ b/src/southbridge/via/vt8237r/lpc.c @@ -151,6 +151,10 @@ static void pci_routing_fixup(struct device *dev) static void setup_pm(device_t dev) { u16 tmp; + struct southbridge_via_vt8237r_config *cfg; + + cfg = dev->chip_info; + /* Debounce LID and PWRBTN# Inputs for 16ms. */ pci_write_config8(dev, 0x80, 0x20); @@ -179,7 +183,10 @@ static void setup_pm(device_t dev) * 5 = Internal PLL reset from susp disabled * 2 = GPO2 is SUSA# */ - pci_write_config8(dev, 0x94, 0xa0); + tmp = 0xa0; + if (cfg && cfg->enable_gpo3) + tmp |= 0x10; + pci_write_config8(dev, 0x94, tmp); /* * 7 = stp to sust delay 1msec @@ -195,7 +202,14 @@ static void setup_pm(device_t dev) #if CONFIG_EPIA_VT8237R_INIT pci_write_config8(dev, 0x95, 0xc2); #else - pci_write_config8(dev, 0x95, 0xcc); + tmp = 0xcc; + if (cfg) { + if (cfg->disable_gpo26_gpo27) + tmp &= ~0x08; + if (cfg->enable_aol_2_smb_slave) + tmp &= ~0x04; + } + pci_write_config8(dev, 0x95, tmp); #endif /* Disable GP3 timer. */ @@ -247,6 +261,9 @@ static void setup_pm(device_t dev) static void vt8237r_init(struct device *dev) { u8 enables; + struct southbridge_via_vt8237r_config *cfg; + + cfg = dev->chip_info; #if CONFIG_EPIA_VT8237R_INIT printk(BIOS_SPEW, "Entering vt8237r_init, for EPIA.\n"); @@ -282,8 +299,15 @@ static void vt8237r_init(struct device *dev) */ pci_write_config8(dev, 0xe5, 0x09); + enables = 0x4; + if (cfg) { + if (cfg->enable_gpo5) + enables |= 0x01; + if (cfg->gpio15_12_dir_output) + enables |= 0x10; + } /* REQ5 as PCI request input - should be together with INTE-INTH. */ - pci_write_config8(dev, 0xe4, 0x4); + pci_write_config8(dev, 0xe4, enables); #endif /* Set bit 3 of 0x4f (use INIT# as CPU reset). */ |