diff options
Diffstat (limited to 'src/southbridge/intel/i440bx/i440bx_early_smbus.c')
| -rw-r--r-- | src/southbridge/intel/i440bx/i440bx_early_smbus.c | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/src/southbridge/intel/i440bx/i440bx_early_smbus.c b/src/southbridge/intel/i440bx/i440bx_early_smbus.c index a3db7b88c0..172414e3d4 100644 --- a/src/southbridge/intel/i440bx/i440bx_early_smbus.c +++ b/src/southbridge/intel/i440bx/i440bx_early_smbus.c @@ -11,7 +11,7 @@ static void enable_smbus(void) } uint8_t enable; print_spew("SMBus controller enabled\r\n"); - pci_write_config32(dev, 0x90, SMBUS_IO_BASE ); + pci_write_config32(dev, 0x90, SMBUS_IO_BASE | 1 ); // Enable and set SMBBus // 0x01 Interrupt to SMI# // (0x4<<1)|1 set interrupt to IRQ9 @@ -21,25 +21,33 @@ static void enable_smbus(void) pci_write_config16(dev, 0x04, 1); /* clear any lingering errors, so the transaction will run */ - outb(0x1e, SMBUS_IO_BASE + SMBGSTATUS); + outb(0x1e, SMBUS_IO_BASE + SMBHST_STATUS); } -static int smbus_recv_byte(unsigned device) -{ - return do_smbus_recv_byte(SMBUS_IO_BASE, device); -} -static int smbus_send_byte(unsigned device, unsigned char val) -{ - return do_smbus_send_byte(SMBUS_IO_BASE, device, val); -} static int smbus_read_byte(unsigned device, unsigned address) { return do_smbus_read_byte(SMBUS_IO_BASE, device, address); } + +// The following functions are broken. Do no use until you +// have fixed the low level code to do the right thing. +// +#if 0 static int smbus_write_byte(unsigned device, unsigned address, unsigned char val) { return do_smbus_write_byte(SMBUS_IO_BASE, device, address, val); } + +static int smbus_recv_byte(unsigned device) +{ + return do_smbus_recv_byte(SMBUS_IO_BASE, device); +} + +static int smbus_send_byte(unsigned device, unsigned char val) +{ + return do_smbus_send_byte(SMBUS_IO_BASE, device, val); +} +#endif |