SUNI1x10GEXP_REG_TXXG_CONFIG_1
(void) pmwrite(cmac, SUNI1x10GEXP_REG_TXXG_CONFIG_1, val);
(void) pmwrite(cmac, SUNI1x10GEXP_REG_TXXG_CONFIG_1, TXXG_CONF1_VAL);
(void) t1_tpi_read(sa, SUNI1x10GEXP_REG_TXXG_CONFIG_1 << 2,
SUNI1x10GEXP_REG_TXXG_CONFIG_1 << 2,
SUNI1x10GEXP_REG_TXXG_CONFIG_1 << 2,