diff options
Diffstat (limited to 'src/southbridge/intel/i82801bx/i82801bx_smbus.h')
-rw-r--r-- | src/southbridge/intel/i82801bx/i82801bx_smbus.h | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/src/southbridge/intel/i82801bx/i82801bx_smbus.h b/src/southbridge/intel/i82801bx/i82801bx_smbus.h index 6287b631af..5586ac752c 100644 --- a/src/southbridge/intel/i82801bx/i82801bx_smbus.h +++ b/src/southbridge/intel/i82801bx/i82801bx_smbus.h @@ -110,74 +110,3 @@ static int do_smbus_read_byte(unsigned device, unsigned address) return byte; } -/* This function is neither used nor tested by me (Corey Osgood), the author -(Yinghai) probably tested/used it on i82801er */ -static int do_smbus_write_block(unsigned device, unsigned length, unsigned cmd, - unsigned data1, unsigned data2) -{ -#warning "do_smbus_write_block is commented out" - print_err("Untested smbus_write_block called\n"); -#if 0 - unsigned char global_control_register; - unsigned char global_status_register; - unsigned char byte; - unsigned char stat; - int i; - - /* Clear the PM timeout flags, SECOND_TO_STS */ - outw(inw(0x0400 + 0x66), 0x0400 + 0x66); - - if (smbus_wait_until_ready(SMBUS_IO_BASE) < 0) { - return -2; - } - - /* Setup transaction */ - /* Obtain ownership */ - outb(inb(SMBUS_IO_BASE + SMBHSTSTAT), SMBUS_IO_BASE + SMBHSTSTAT); - for (stat = 0; (stat & 0x40) == 0;) { - stat = inb(SMBUS_IO_BASE + SMBHSTSTAT); - } - /* Clear the done bit */ - outb(0x80, SMBUS_IO_BASE + SMBHSTSTAT); - /* Disable interrupts */ - outb(inb(SMBUS_IO_BASE + SMBHSTCTL) & (~1), SMBUS_IO_BASE + SMBHSTCTL); - - /* Set the device I'm talking too */ - outb(((device & 0x7f) << 1), SMBUS_IO_BASE + SMBXMITADD); - - /* Set the command address */ - outb(cmd & 0xff, SMBUS_IO_BASE + SMBHSTCMD); - - /* Set the block length */ - outb(length & 0xff, SMBUS_IO_BASE + SMBHSTDAT0); - - /* Try sending out the first byte of data here */ - byte = (data1 >> (0)) & 0x0ff; - outb(byte, SMBUS_IO_BASE + SMBBLKDAT); - /* Issue a block write command */ - outb((inb(SMBUS_IO_BASE + SMBHSTCTL) & 0xe3) | (0x5 << 2) | 0x40, - SMBUS_IO_BASE + SMBHSTCTL); - - for (i = 0; i < length; i++) { - - /* Poll for transaction completion */ - if (smbus_wait_until_blk_done(SMBUS_IO_BASE) < 0) { - return -3; - } - - /* Load the next byte */ - if (i > 3) - byte = (data2 >> (i % 4)) & 0x0ff; - else - byte = (data1 >> (i)) & 0x0ff; - outb(byte, SMBUS_IO_BASE + SMBBLKDAT); - - /* Clear the done bit */ - outb(inb(SMBUS_IO_BASE + SMBHSTSTAT), - SMBUS_IO_BASE + SMBHSTSTAT); - } - - print_debug("SMBUS Block complete\n"); - return 0; -#endif -} |