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| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2020-01-06 19:00:31 +0200 |
|---|---|---|
| committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2020-01-09 21:29:53 +0000 |
| commit | 7cdcc38f292d7a8ffd285d17c848e60e41eec759 (patch) | |
| tree | 13bba3b16f89d74367fdc043e10d707534a24525 /src/southbridge/intel/i82801dx | |
| parent | c528426b264c897b6c17ef14846afea3711042cb (diff) | |
sb/intel/common: Add smbus_host_reset()
Change-Id: I3f6000df391295e2c0ce910a2a919a1dd3333519
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38229
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Diffstat (limited to 'src/southbridge/intel/i82801dx')
| -rw-r--r-- | src/southbridge/intel/i82801dx/early_smbus.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/src/southbridge/intel/i82801dx/early_smbus.c b/src/southbridge/intel/i82801dx/early_smbus.c index 5e82ded6be..77b0aa084b 100644 --- a/src/southbridge/intel/i82801dx/early_smbus.c +++ b/src/southbridge/intel/i82801dx/early_smbus.c @@ -14,11 +14,9 @@ * GNU General Public License for more details. */ -#include <arch/io.h> #include <device/pci_ops.h> #include <device/pci_def.h> #include <console/console.h> -#include <southbridge/intel/common/smbus.h> #include <device/smbus_host.h> #include "i82801dx.h" @@ -27,17 +25,16 @@ void enable_smbus(void) { pci_devfn_t dev = PCI_DEV(0x0, 0x1f, 0x3); - printk(BIOS_DEBUG, "SMBus controller enabled\n"); /* set smbus iobase */ pci_write_config32(dev, 0x20, SMBUS_IO_BASE | 1); /* Set smbus enable */ pci_write_config8(dev, 0x40, 0x01); /* Set smbus iospace enable */ pci_write_config16(dev, 0x4, 0x01); - /* Disable interrupt generation */ - outb(0, SMBUS_IO_BASE + SMBHSTCTL); - /* clear any lingering errors, so the transaction will run */ - outb(inb(SMBUS_IO_BASE + SMBHSTSTAT), SMBUS_IO_BASE + SMBHSTSTAT); + + smbus_host_reset(SMBUS_IO_BASE); + + printk(BIOS_DEBUG, "SMBus controller enabled\n"); } int smbus_read_byte(unsigned int device, unsigned int address) |