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-rw-r--r--src/southbridge/intel/i82371eb/i82371eb_smbus.h127
1 files changed, 0 insertions, 127 deletions
diff --git a/src/southbridge/intel/i82371eb/i82371eb_smbus.h b/src/southbridge/intel/i82371eb/i82371eb_smbus.h
index 1c6f26a47d..a189425395 100644
--- a/src/southbridge/intel/i82371eb/i82371eb_smbus.h
+++ b/src/southbridge/intel/i82371eb/i82371eb_smbus.h
@@ -63,95 +63,6 @@ static int smbus_wait_until_done(unsigned smbus_io_base)
return loops?0:SMBUS_WAIT_UNTIL_DONE_TIMEOUT;
}
-static int do_smbus_recv_byte(unsigned smbus_io_base, unsigned device)
-{
- unsigned global_status_register;
- unsigned byte;
-
- if (smbus_wait_until_ready(smbus_io_base) < 0) {
- return SMBUS_WAIT_UNTIL_READY_TIMEOUT;
- }
-
- /* setup transaction */
- /* disable interrupts */
- outw(inw(smbus_io_base + SMBHST_CTL) & ~((1<<10)|(1<<9)|(1<<8)|(1<<4)), smbus_io_base + SMBHST_CTL);
- /* set the device I'm talking too */
- outw(((device & 0x7f) << 1) | 1, smbus_io_base + SMBHST_ADDR);
- /* set the command/address... */
- outb(0, smbus_io_base + SMBHST_CMD);
- /* set up for a send byte */
- outw((inw(smbus_io_base + SMBHST_CTL) & ~7) | (0x1), smbus_io_base + SMBHST_CTL);
-
- /* clear any lingering errors, so the transaction will run */
- /* Do I need to write the bits to a 1 to clear an error? */
- outw(inw(smbus_io_base + SMBHST_STATUS), smbus_io_base + SMBHST_STATUS);
-
- /* set the data word...*/
- outw(0, smbus_io_base + SMBHST_DAT);
-
- /* start the command */
- outw((inw(smbus_io_base + SMBHST_CTL) | (1 << 3)), smbus_io_base + SMBHST_CTL);
-
-
- /* poll for transaction completion */
- if (smbus_wait_until_done(smbus_io_base) < 0) {
- return SMBUS_WAIT_UNTIL_DONE_TIMEOUT;
- }
-
- global_status_register = inw(smbus_io_base + SMBHST_STATUS);
-
- /* read results of transaction */
- byte = inb(smbus_io_base + SMBHST_DAT) & 0xff;
-
- // Check for any result other than a command completion
- if ((global_status_register & SMBUS_STATUS_MASK) != (1 << 1)) {
- return SMBUS_ERROR;
- }
- return byte;
-}
-
-static int do_smbus_send_byte(unsigned smbus_io_base, unsigned device, unsigned value)
-{
- unsigned global_status_register;
-
- if (smbus_wait_until_ready(smbus_io_base) < 0) {
- return SMBUS_WAIT_UNTIL_READY_TIMEOUT;
- }
-
- /* setup transaction */
- /* disable interrupts */
- outw(inw(smbus_io_base + SMBHST_CTL) & ~((1<<10)|(1<<9)|(1<<8)|(1<<4)), smbus_io_base + SMBHST_CTL);
- /* set the device I'm talking too */
- outw(((device & 0x7f) << 1) | 0, smbus_io_base + SMBHST_ADDR);
- /* set the command/address... */
- outb(0, smbus_io_base + SMBHST_CMD);
- /* set up for a send byte */
- outw((inw(smbus_io_base + SMBHST_CTL) & ~7) | (0x1), smbus_io_base + SMBHST_CTL);
-
- /* clear any lingering errors, so the transaction will run */
- /* Do I need to write the bits to a 1 to clear an error? */
- outw(inw(smbus_io_base + SMBHST_STATUS), smbus_io_base + SMBHST_STATUS);
-
- /* set the data word...*/
- outw(value, smbus_io_base + SMBHST_DAT);
-
- /* start the command */
- outw((inw(smbus_io_base + SMBHST_CTL) | (1 << 3)), smbus_io_base + SMBHST_CTL);
-
-
- /* poll for transaction completion */
- if (smbus_wait_until_done(smbus_io_base) < 0) {
- return SMBUS_WAIT_UNTIL_DONE_TIMEOUT;
- }
- global_status_register = inw(smbus_io_base + SMBHST_STATUS);
-
- if ((global_status_register & SMBUS_STATUS_MASK) != (1 << 4)) {
- return SMBUS_ERROR;
- }
- return 0;
-}
-
-
static int do_smbus_read_byte(unsigned smbus_io_base, unsigned device, unsigned address)
{
unsigned status_register;
@@ -199,41 +110,3 @@ static int do_smbus_read_byte(unsigned smbus_io_base, unsigned device, unsigned
return byte;
}
-static int do_smbus_write_byte(unsigned smbus_io_base, unsigned device, unsigned address, unsigned char val)
-{
- unsigned global_status_register;
-
- if (smbus_wait_until_ready(smbus_io_base) < 0) {
- return SMBUS_WAIT_UNTIL_READY_TIMEOUT;
- }
-
- /* setup transaction */
- /* disable interrupts */
- outw(inw(smbus_io_base + SMBHST_CTL) & ~((1<<10)|(1<<9)|(1<<8)|(1<<4)), smbus_io_base + SMBHST_CTL);
- /* set the device I'm talking too */
- outw(((device & 0x7f) << 1) | 0, smbus_io_base + SMBHST_ADDR);
- outb(address & 0xFF, smbus_io_base + SMBHST_CMD);
- /* set up for a byte data write */ /* FIXME */
- outw((inw(smbus_io_base + SMBHST_CTL) & ~7) | (0x2), smbus_io_base + SMBHST_CTL);
- /* clear any lingering errors, so the transaction will run */
- /* Do I need to write the bits to a 1 to clear an error? */
- outw(inw(smbus_io_base + SMBHST_STATUS), smbus_io_base + SMBHST_STATUS);
-
- /* write the data word...*/
- outw(val, smbus_io_base + SMBHST_DAT);
-
- /* start the command */
- outw((inw(smbus_io_base + SMBHST_CTL) | (1 << 3)), smbus_io_base + SMBHST_CTL);
-
- /* poll for transaction completion */
- if (smbus_wait_until_done(smbus_io_base) < 0) {
- return SMBUS_WAIT_UNTIL_DONE_TIMEOUT;
- }
- global_status_register = inw(smbus_io_base + SMBHST_STATUS);
-
- if ((global_status_register & SMBUS_STATUS_MASK) != (1 << 1)) {
- return SMBUS_ERROR;
- }
- return 0;
-}
-