diff options
| author | Angel Pons <th3fanbus@gmail.com> | 2020-12-05 20:43:00 +0100 |
|---|---|---|
| committer | Angel Pons <th3fanbus@gmail.com> | 2020-12-11 15:12:47 +0000 |
| commit | 79b2a150c7a18a61604b0d81f52a7c6ad8522b60 (patch) | |
| tree | 35fdf0dcfa4e0eaf2605c4f0c62cf2690ebcd409 /src/southbridge/intel/i82801gx | |
| parent | 30ff00650a7129475bf01ce9d258ac27b59c786b (diff) | |
sb/intel/x/smbus.c: Factor out common code
Since common smbus.c gets built for romstage as well, create a new file
to hold this common code. Account for ICH7 not having a memory BAR, too.
Change-Id: I4ab46750c6fb7f71cbd55848e79ecc3e44cbbd04
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48364
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/southbridge/intel/i82801gx')
| -rw-r--r-- | src/southbridge/intel/i82801gx/smbus.c | 67 |
1 files changed, 1 insertions, 66 deletions
diff --git a/src/southbridge/intel/i82801gx/smbus.c b/src/southbridge/intel/i82801gx/smbus.c index 5915f3d15b..739e552b1d 100644 --- a/src/southbridge/intel/i82801gx/smbus.c +++ b/src/southbridge/intel/i82801gx/smbus.c @@ -7,74 +7,9 @@ #include <device/pci_def.h> #include <device/pci_ids.h> #include <device/smbus_host.h> +#include <southbridge/intel/common/smbus_ops.h> #include "i82801gx.h" -static int lsmbus_read_byte(struct device *dev, u8 address) -{ - u16 device; - struct resource *res; - struct bus *pbus; - - device = dev->path.i2c.device; - pbus = get_pbus_smbus(dev); - res = find_resource(pbus->dev, PCI_BASE_ADDRESS_4); - - return do_smbus_read_byte(res->base, device, address); -} - -static int lsmbus_write_byte(struct device *dev, u8 address, u8 data) -{ - u16 device; - struct resource *res; - struct bus *pbus; - - device = dev->path.i2c.device; - pbus = get_pbus_smbus(dev); - res = find_resource(pbus->dev, PCI_BASE_ADDRESS_4); - return do_smbus_write_byte(res->base, device, address, data); -} - -static int lsmbus_block_write(struct device *dev, u8 cmd, u8 bytes, const u8 *buf) -{ - u16 device; - struct resource *res; - struct bus *pbus; - - device = dev->path.i2c.device; - pbus = get_pbus_smbus(dev); - res = find_resource(pbus->dev, PCI_BASE_ADDRESS_4); - return do_smbus_block_write(res->base, device, cmd, bytes, buf); -} - -static int lsmbus_block_read(struct device *dev, u8 cmd, u8 bytes, u8 *buf) -{ - u16 device; - struct resource *res; - struct bus *pbus; - - device = dev->path.i2c.device; - pbus = get_pbus_smbus(dev); - res = find_resource(pbus->dev, PCI_BASE_ADDRESS_4); - return do_smbus_block_read(res->base, device, cmd, bytes, buf); -} - -static struct smbus_bus_operations lops_smbus_bus = { - .read_byte = lsmbus_read_byte, - .write_byte = lsmbus_write_byte, - .block_read = lsmbus_block_read, - .block_write = lsmbus_block_write, -}; - -static void smbus_read_resources(struct device *dev) -{ - struct resource *res = new_resource(dev, PCI_BASE_ADDRESS_4); - res->base = CONFIG_FIXED_SMBUS_IO_BASE; - res->size = 32; - res->limit = res->base + res->size - 1; - res->flags = IORESOURCE_IO | IORESOURCE_FIXED | IORESOURCE_RESERVE | - IORESOURCE_STORED | IORESOURCE_ASSIGNED; -} - static struct device_operations smbus_ops = { .read_resources = smbus_read_resources, .set_resources = pci_dev_set_resources, |