diff options
Diffstat (limited to 'board/freescale/ls1028a/ls1028a.c')
| -rw-r--r-- | board/freescale/ls1028a/ls1028a.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/board/freescale/ls1028a/ls1028a.c b/board/freescale/ls1028a/ls1028a.c index e3666c34b6c..e5de4eb70c4 100644 --- a/board/freescale/ls1028a/ls1028a.c +++ b/board/freescale/ls1028a/ls1028a.c @@ -27,6 +27,35 @@ DECLARE_GLOBAL_DATA_PTR; +int config_board_mux(void) +{ +#if defined(CONFIG_TARGET_LS1028AQDS) && defined(CONFIG_FSL_QIXIS) + u8 reg; + + reg = QIXIS_READ(brdcfg[13]); + /* Field| Function + * 7-6 | Controls I2C3 routing (net CFG_MUX_I2C3): + * I2C3 | 10= Routes {SCL, SDA} to CAN1 transceiver as {TX, RX}. + * 5-4 | Controls I2C4 routing (net CFG_MUX_I2C4): + * I2C4 |11= Routes {SCL, SDA} to CAN2 transceiver as {TX, RX}. + */ + reg &= ~(0xf0); + reg |= 0xb0; + QIXIS_WRITE(brdcfg[13], reg); + + reg = QIXIS_READ(brdcfg[15]); + /* Field| Function + * 7 | Controls the CAN1 transceiver (net CFG_CAN1_STBY): + * CAN1 | 0= CAN #1 transceiver enabled + * 6 | Controls the CAN2 transceiver (net CFG_CAN2_STBY): + * CAN2 | 0= CAN #2 transceiver enabled + */ + reg &= ~(0xc0); + QIXIS_WRITE(brdcfg[15], reg); +#endif + return 0; +} + int board_init(void) { #ifdef CONFIG_ENV_IS_NOWHERE @@ -54,6 +83,15 @@ int board_eth_init(bd_t *bis) return pci_eth_init(bis); } +#if defined(CONFIG_ARCH_MISC_INIT) +int arch_misc_init(void) +{ + config_board_mux(); + + return 0; +} +#endif + int board_early_init_f(void) { #ifdef CONFIG_SYS_I2C_EARLY_INIT |