[coreboot] Patch set updated for coreboot: e59aebd make GPIOs and misc configurable via devicetree
Florian Zumbiehl
gerrit at coreboot.org
Wed Nov 2 09:58:38 CET 2011
Florian Zumbiehl just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/387
-gerrit
commit e59aebd0e233cef84171c96133ba360844c290f7
Author: Florian Zumbiehl <florz at florz.de>
Date: Tue Nov 1 20:19:37 2011 +0100
make GPIOs and misc configurable via devicetree
Change-Id: I9f70da76b5ea451f28a1ad9252c5d879fc4fe315
Signed-off-by: Florian Zumbiehl <florz at florz.de>
---
src/southbridge/via/vt8237r/chip.h | 5 +++++
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 be5e7fc..64b8e8e 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 no_int_efgh;
+ 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 baf3f93..c7d1378 100644
--- a/src/southbridge/via/vt8237r/lpc.c
+++ b/src/southbridge/via/vt8237r/lpc.c
@@ -159,6 +159,10 @@ 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);
@@ -187,7 +191,10 @@ 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
@@ -203,7 +210,14 @@ 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. */
@@ -255,6 +269,9 @@ 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");
@@ -290,8 +307,15 @@ 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). */
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