diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/serial/cpm_uart/cpm_uart_cpm1.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm1.c b/drivers/serial/cpm_uart/cpm_uart_cpm1.c index de26cf7b003..7911912f50c 100644 --- a/drivers/serial/cpm_uart/cpm_uart_cpm1.c +++ b/drivers/serial/cpm_uart/cpm_uart_cpm1.c @@ -94,12 +94,42 @@ void smc1_lineif(struct uart_cpm_port *pinfo) ((immap_t *)IMAP_ADDR)->im_ioport.iop_paodr &= ~iobits; } +#ifdef CONFIG_MPC885ADS + /* Enable SMC1 transceivers */ + { + volatile uint __iomem *bcsr1 = ioremap(BCSR1, 4); + uint tmp; + + tmp = in_be32(bcsr1); + tmp &= ~BCSR1_RS232EN_1; + out_be32(bcsr1, tmp); + iounmap(bcsr1); + } +#endif + pinfo->brg = 1; } void smc2_lineif(struct uart_cpm_port *pinfo) { - /* XXX SMC2: insert port configuration here */ +#ifdef CONFIG_MPC885ADS + volatile cpm8xx_t *cp = cpmp; + volatile uint __iomem *bcsr1; + uint tmp; + + cp->cp_pepar |= 0x00000c00; + cp->cp_pedir &= ~0x00000c00; + cp->cp_peso &= ~0x00000400; + cp->cp_peso |= 0x00000800; + + /* Enable SMC2 transceivers */ + bcsr1 = ioremap(BCSR1, 4); + tmp = in_be32(bcsr1); + tmp &= ~BCSR1_RS232EN_2; + out_be32(bcsr1, tmp); + iounmap(bcsr1); +#endif + pinfo->brg = 2; } |